Optimize some stuff and fix some other stuff

Add MiniWarGear21Region
Add WarGear21Region
Add WarShip21Region

.gitea/ISSUE_TEMPLATE/bug-report.yaml

@@ -1,60 +0,0 @@
-name: Bug Report
-about: Du hast einen Fehler gefunden? Melde ihn hier!
-labels: [ "typ/bug" ]
-body:
-  - type: markdown
-    attributes:
-      value: |
-        ACHTUNG: Sollte es bei dem Bug ein Sicherheitsrisiko geben, melde es bitte auf unserem Discord Server
-  - type: textarea
-    id: description
-    attributes:
-      label: Description
-      description: |
-        Beschreibe deinen Bug in kurzer Form.
-  - type: input
-    id: mc-ver
-    attributes:
-      label: Minecraft Version
-      description: Minecraft Version des Clients
-    validations:
-      required: true
-  - type: input
-    id: mc-ver-ser
-    attributes:
-      label: Minecraft Version Server
-      description: Minecraft Version des Servers, nur bei Bau oder Arenen Servern
-  - type: dropdown
-    id: can-reproduce
-    attributes:
-      label: Kannst du den Fehler wiederholen?
-      description: |
-        Wenn du den Fehler wiederholen kannst, können wir dieses Problem schneller beheben.
-        Solltest du den Fehler nicht wiederholen können, melde dich bitte auf unserem Discord Server.
-      options:
-        - "Yes"
-        - "No"
-    validations:
-      required: true
-  - type: textarea
-    id: reproduce-steps
-    attributes:
-      label: Wie kannst du den Fehler wiederholen?
-      description: Welche Schritte musst du ausführen, um den Fehler wiederholen zu können?
-    validations:
-      required: true
-  - type: textarea
-    id: expected-result
-    attributes:
-      label: Was sollte passieren?
-      description: Was sollte hier deiner Erwartung nach passieren?
-  - type: input
-    id: logs
-    attributes:
-      label: Auf welchem Server ist der Fehler aufgetreten?
-      description: Gebe bitte den Namen des Servers an, auf dem der Fehler aufgetreten ist. z.B. "Lobby", "Lixfels Bauserver" etc.
-  - type: textarea
-    id: screenshots
-    attributes:
-      label: Screenshots
-      description: Sollte es ein Visuelles Problem geben, kannst du hier Screenshots hinzufügen.

.gitea/ISSUE_TEMPLATE/config.yml

@@ -1 +0,0 @@
-blank_issues_enabled: true

.gitea/ISSUE_TEMPLATE/feature-request.yaml

@@ -1,17 +0,0 @@
-name: Feature Idee
-about: Du hast eine Idee für ein neues Feature, welches SteamWar nicht hat? Stelle sie hier vor.
-labels: ["typ/idee"]
-body:
-  - type: textarea
-    id: description
-    attributes:
-      label: Feature Beschreibung
-      placeholder: |
-        Ich glaube, dass ...
-    validations:
-      required: true
-  - type: textarea
-    id: screenshots
-    attributes:
-      label: Screenshots
-      description: Wenn es sich um etwas grafisches handelt, kannst du hier Screenshots hinzufügen.

.gitea/workflows/backport-commoncore.yml

@@ -1,193 +0,0 @@
-name: Backport CommonCore
-
-on:
-  pull_request:
-    types:
-      - closed
-    branches:
-      - main
-
-permissions:
-  contents: write
-  pull-requests: write
-
-env:
-  BACKPORT_PATH: CommonCore
-  BACKPORT_BRANCH_PREFIX: backport/commoncore
-  DISABLE_BACKPORT_LABEL: no-backport
-
-jobs:
-  backport:
-    name: Create CommonCore backport PRs
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@v6
-        with:
-          fetch-depth: 0
-
-      - name: Check backport eligibility
-        id: eligibility
-        shell: bash
-        env:
-          GITHUB_TOKEN: ${{ secrets.CI_BOT_TOKEN }}
-        run: |
-          set -euo pipefail
-
-          api_url="${GITHUB_API_URL:-${GITHUB_SERVER_URL}/api/v1}"
-
-          echo "Backport debug: event=${GITHUB_EVENT_NAME:-unknown}"
-          echo "Backport debug: server=${GITHUB_SERVER_URL}"
-          echo "Backport debug: api=${api_url}"
-          echo "Backport debug: repository=${GITHUB_REPOSITORY}"
-          echo "Backport debug: action=$(jq -r '.action // ""' "$GITHUB_EVENT_PATH")"
-
-          merged="$(jq -r '.pull_request.merged // (.pull_request.merged_at != null)' "$GITHUB_EVENT_PATH")"
-          base_branch="$(jq -r '.pull_request.base.ref' "$GITHUB_EVENT_PATH")"
-          has_disable_label="$(jq -r --arg disable_backport_label "$DISABLE_BACKPORT_LABEL" 'any(.pull_request.labels[]?; .name == $disable_backport_label)' "$GITHUB_EVENT_PATH")"
-          echo "Backport debug: pr=$(jq -r '.pull_request.number // ""' "$GITHUB_EVENT_PATH") base=${base_branch} merged=${merged}"
-          echo "Backport debug: disable label present=${has_disable_label}"
-
-          {
-            echo "should_backport=$([[ "$merged" == "true" && "$base_branch" == "main" && "$has_disable_label" != "true" ]] && echo true || echo false)"
-            echo "pr_number=$(jq -r '.pull_request.number' "$GITHUB_EVENT_PATH")"
-            echo "pr_title<<EOF"
-            jq -r '.pull_request.title' "$GITHUB_EVENT_PATH"
-            echo "EOF"
-          } >> "$GITHUB_OUTPUT"
-
-          labels="$(curl -fsS \
-            -H "Accept: application/json" \
-            -H "Authorization: token ${GITHUB_TOKEN}" \
-            "${api_url}/repos/${GITHUB_REPOSITORY}/labels")"
-
-          if ! jq -e --arg disable_backport_label "$DISABLE_BACKPORT_LABEL" 'any(.[]; .name == $disable_backport_label)' <<< "$labels" >/dev/null; then
-            curl -fsS -X POST \
-              -H "Accept: application/json" \
-              -H "Authorization: token ${GITHUB_TOKEN}" \
-              -H "Content-Type: application/json" \
-              -d "$(jq -n --arg name "$DISABLE_BACKPORT_LABEL" --arg color "ededed" --arg description "Disable automatic CommonCore backporting for this pull request." '{name: $name, color: $color, description: $description}')" \
-              "${api_url}/repos/${GITHUB_REPOSITORY}/labels"
-          fi
-
-      - name: Create backport pull requests
-        if: steps.eligibility.outputs.should_backport == 'true'
-        shell: bash
-        env:
-          GITHUB_TOKEN: ${{ secrets.CI_BOT_TOKEN }}
-          PR_NUMBER: ${{ steps.eligibility.outputs.pr_number }}
-          PR_TITLE: ${{ steps.eligibility.outputs.pr_title }}
-        run: |
-          set -euo pipefail
-
-          api_url="${GITHUB_API_URL:-${GITHUB_SERVER_URL}/api/v1}"
-          repo_api_path="/repos/${GITHUB_REPOSITORY}"
-
-          api_request() {
-            local method="$1"
-            local path="$2"
-            local output="$3"
-            local data_file="${4:-}"
-            local status
-            local args=(-sS -X "$method" -H "Accept: application/json" -H "Authorization: token ${GITHUB_TOKEN}" -w "%{http_code}" -o "$output")
-
-            if [[ -n "$data_file" ]]; then
-              args+=(-H "Content-Type: application/json" --data-binary "@${data_file}")
-            fi
-
-            echo "Backport debug: ${method} ${path}"
-            if ! status="$(curl "${args[@]}" "${api_url}${path}")"; then
-              echo "Backport debug: ${method} ${path} failed before HTTP status was captured."
-              if [[ -s "$output" ]]; then
-                echo "Backport debug: response body:"
-                cat "$output"
-              fi
-              return 1
-            fi
-
-            echo "Backport debug: ${method} ${path} -> HTTP ${status}"
-            if [[ ! "$status" =~ ^2 ]]; then
-              echo "Backport debug: response body:"
-              cat "$output"
-              return 1
-            fi
-          }
-
-          echo "Backport debug: event=${GITHUB_EVENT_NAME:-unknown}"
-          echo "Backport debug: server=${GITHUB_SERVER_URL}"
-          echo "Backport debug: api=${api_url}"
-          echo "Backport debug: repository=${GITHUB_REPOSITORY}"
-          echo "Backport debug: pr=${PR_NUMBER}"
-          echo "Backport debug: actor=${GITHUB_ACTOR:-unknown}"
-
-          git config user.name "SteamWar Backport Bot"
-          git config user.email "actions@steamwar.de"
-
-          if [[ "${GITHUB_SERVER_URL}" == https://* ]]; then
-            auth_host="${GITHUB_SERVER_URL#https://}"
-            git remote set-url origin "https://oauth2:${GITHUB_TOKEN}@${auth_host}/${GITHUB_REPOSITORY}.git"
-          fi
-
-          git fetch --prune origin '+refs/heads/version/*:refs/remotes/origin/version/*'
-
-          api_request GET "${repo_api_path}" repo-debug.json
-          jq -r '"Backport debug: repo permissions admin=\(.permissions.admin // "unknown") push=\(.permissions.push // "unknown") pull=\(.permissions.pull // "unknown")"' repo-debug.json || true
-
-          echo "Backport debug: GET ${repo_api_path}/pulls/${PR_NUMBER}.diff"
-          curl -fsSL -w "Backport debug: GET ${repo_api_path}/pulls/${PR_NUMBER}.diff -> HTTP %{http_code}\n" \
-            -H "Accept: text/plain" \
-            -H "Authorization: token ${GITHUB_TOKEN}" \
-            "${api_url}${repo_api_path}/pulls/${PR_NUMBER}.diff" \
-            -o pull-request.diff
-
-          if ! grep -Eq "^diff --git a/${BACKPORT_PATH}/" pull-request.diff; then
-            echo "Pull request #${PR_NUMBER} has no ${BACKPORT_PATH} changes to backport."
-            exit 0
-          fi
-
-          mapfile -t target_branches < <(git for-each-ref --format='%(refname:strip=3)' refs/remotes/origin/version)
-          if [[ "${#target_branches[@]}" -eq 0 ]]; then
-            echo "No version/* branches found."
-            exit 0
-          fi
-
-          for target_branch in "${target_branches[@]}"; do
-            safe_target="${target_branch//\//-}"
-            backport_branch="${BACKPORT_BRANCH_PREFIX}/pr-${PR_NUMBER}-to-${safe_target}"
-
-            git checkout -B "${backport_branch}" "origin/${target_branch}"
-            git reset --hard "origin/${target_branch}"
-
-            if ! git apply --3way --index --include="${BACKPORT_PATH}/**" pull-request.diff; then
-              echo "Failed to apply CommonCore backport for ${target_branch}."
-              exit 1
-            fi
-
-            if git diff --cached --quiet; then
-              echo "CommonCore changes from #${PR_NUMBER} are already present in ${target_branch}."
-              continue
-            fi
-
-            git commit -m "Backport CommonCore changes from #${PR_NUMBER}" -m "${PR_TITLE}"
-            git push --force-with-lease origin "${backport_branch}"
-
-            api_request GET "${repo_api_path}/pulls?state=open" open-pulls.json
-            open_pr_number="$(jq -r --arg base "$target_branch" --arg head "$backport_branch" '[.[] | select(.base.ref == $base and .head.ref == $head) | (.number // .index)][0] // empty' open-pulls.json)"
-
-            if [[ -n "$open_pr_number" ]]; then
-              echo "Backport PR #${open_pr_number} already exists for ${target_branch}."
-              continue
-            fi
-
-            pr_body="$(printf 'Automatic CommonCore backport of #%s.\n\nOriginal PR title: %s\n\nOnly files below `CommonCore/` are included.' "$PR_NUMBER" "$PR_TITLE")"
-
-            jq -n \
-              --arg base "$target_branch" \
-              --arg head "$backport_branch" \
-              --arg title "Backport CommonCore changes from #${PR_NUMBER} to ${target_branch}" \
-              --arg body "$pr_body" \
-              '{base: $base, head: $head, title: $title, body: $body}' > create-pull.json
-
-            echo "Backport debug: create PR base=${target_branch} head=${backport_branch}"
-            api_request POST "${repo_api_path}/pulls" create-pull-response.json create-pull.json
-          done

.gitea/workflows/build.yml

@@ -1,145 +0,0 @@
-name: Deploy
-
-on:
-  push:
-    branches:
-      - main
-      - version/*
-
-jobs:
-  build:
-    name: Build
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@v6
-      - name: Setup Java 8
-        uses: actions/setup-java@v5
-        with:
-          distribution: 'temurin'
-          java-version: 8
-      - name: Setup Java 11
-        uses: actions/setup-java@v5
-        with:
-          distribution: 'temurin'
-          java-version: 11
-      - name: Setup Java 17
-        uses: actions/setup-java@v5
-        with:
-          distribution: 'temurin'
-          java-version: 17
-      - name: Setup Java
-        uses: actions/setup-java@v5
-        with:
-          distribution: 'temurin'
-          java-version: 21
-      - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v6
-      - name: Setup Maven Repository
-        env:
-          SW_MAVEN_CREDENTIALS: ${{ secrets.SW_MAVEN_CREDENTIALS }}
-        run: |
-          echo "$SW_MAVEN_CREDENTIALS" > steamwar.properties
-      - name: Build with Gradle
-        run: ./gradlew build --no-daemon
-
-      - name: Stage deploy artifacts
-        shell: bash
-        run: |
-          set -euo pipefail
-
-          rm -rf deploy
-          mkdir -p deploy
-
-          cp "BauSystem/build/libs/BauSystem-all.jar" "deploy/BauSystem.jar"
-          cp "LegacyBauSystem/build/libs/LegacyBauSystem.jar" "deploy/BauSystem-1.12.jar"
-          cp "FightSystem/build/libs/FightSystem-all.jar" "deploy/FightSystem.jar"
-          cp "KotlinCore/build/libs/KotlinCore-all.jar" "deploy/KotlinCore.jar"
-          cp "TNTLeague/build/libs/TNTLeague.jar" "deploy/TNTLeague.jar"
-          cp "LobbySystem/build/libs/LobbySystem.jar" "deploy/LobbySystem.jar"
-          cp "MissileWars/build/libs/MissileWars.jar" "deploy/MissileWars.jar"
-          cp "Realtime/build/libs/Realtime.jar" "deploy/RealTime.jar"
-          cp "SchematicSystem/build/libs/SchematicSystem-all.jar" "deploy/SchematicSystem.jar"
-          cp "SpigotCore/build/libs/SpigotCore-all.jar" "deploy/SpigotCore.jar"
-          cp "Teamserver/build/libs/Teamserver.jar" "deploy/Builder.jar"
-          cp "TowerRun/build/libs/TowerRun.jar" "deploy/TowerRun.jar"
-          cp "VelocityCore/Persistent/build/libs/Persistent.jar" "deploy/PersistentVelocityCore.jar"
-          cp "VelocityCore/Dependencies/build/libs/Dependencies-all.jar" "deploy/DependenciesVelocityCore.jar"
-          cp "VelocityCore/build/libs/VelocityCore-all.jar" "deploy/VelocityCore.jar"
-          cp "WebsiteBackend/build/libs/WebsiteBackend-all.jar" "deploy/website-api.jar"
-          cp "CLI/build/distributions/sw.zip" "deploy/sw.zip"
-
-      - name: Upload deploy artifacts
-        uses: actions/upload-artifact@v3
-        with:
-          name: steamwar-jars
-          path: deploy/
-
-  deploy:
-    name: Deploy
-    runs-on: ubuntu-latest
-    needs: build
-    steps:
-      - name: Download deploy artifacts
-        uses: actions/download-artifact@v3
-        with:
-          name: steamwar-jars
-          path: deploy
-
-      - name: Resolve deploy target
-        id: target
-        shell: bash
-        run: |
-          set -euo pipefail
-
-          if [[ "${GITHUB_REF_NAME}" == "main" ]]; then
-            echo "path=/jars/current" >> "$GITHUB_OUTPUT"
-          elif [[ "${GITHUB_REF_NAME}" == version/* ]]; then
-            version="${GITHUB_REF_NAME#version/}"
-            if [[ ! "$version" =~ ^[A-Za-z0-9._-]+$ ]]; then
-              echo "Unsupported version branch name: ${GITHUB_REF_NAME}" >&2
-              exit 1
-            fi
-            echo "path=/jars/${version}" >> "$GITHUB_OUTPUT"
-          else
-            echo "Unsupported deployment branch: ${GITHUB_REF_NAME}" >&2
-            exit 1
-          fi
-
-      - name: Upload jars with scp
-        shell: bash
-        env:
-          DEPLOY_HOST: ${{ secrets.DEPLOY_HOST }}
-          DEPLOY_USER: ${{ secrets.DEPLOY_USER }}
-          DEPLOY_PORT: ${{ secrets.DEPLOY_PORT }}
-          DEPLOY_SSH_KEY: ${{ secrets.DEPLOY_SSH_KEY }}
-          DEPLOY_PATH: ${{ steps.target.outputs.path }}
-        run: |
-          set -euo pipefail
-
-          : "${DEPLOY_HOST:?Missing DEPLOY_HOST secret}"
-          : "${DEPLOY_USER:?Missing DEPLOY_USER secret}"
-          : "${DEPLOY_SSH_KEY:?Missing DEPLOY_SSH_KEY secret}"
-
-          port="${DEPLOY_PORT:-22}"
-
-          mkdir -p ~/.ssh
-          chmod 700 ~/.ssh
-          echo "$DEPLOY_SSH_KEY" > ~/.ssh/deploy_key
-          chmod 600 ~/.ssh/deploy_key
-          ssh-keyscan -p "$port" "$DEPLOY_HOST" >> ~/.ssh/known_hosts
-
-          ssh -i ~/.ssh/deploy_key -p "$port" "${DEPLOY_USER}@${DEPLOY_HOST}" "mkdir -p '$DEPLOY_PATH'"
-          scp -i ~/.ssh/deploy_key -P "$port" deploy/* "${DEPLOY_USER}@${DEPLOY_HOST}:$DEPLOY_PATH/"
-      - name: Restart Services
-        shell: bash
-        env:
-          DEPLOY_HOST: ${{ secrets.DEPLOY_HOST }}
-          DEPLOY_USER: ${{ secrets.DEPLOY_USER }}
-          DEPLOY_PORT: ${{ secrets.DEPLOY_PORT }}
-          DEPLOY_SSH_KEY: ${{ secrets.DEPLOY_SSH_KEY }}
-        run: |
-          set -euo pipefail
-          
-          ssh -i ~/.ssh/deploy_key -p "$DEPLOY_PORT" "${DEPLOY_USER}@${DEPLOY_HOST}" "sudo systemctl restart api.service"
-          ssh -i ~/.ssh/deploy_key -p "$DEPLOY_PORT" "${DEPLOY_USER}@${DEPLOY_HOST}" "unzip -o /jars/current/sw.zip -d /jars"

.gitea/workflows/pull-request-build.yml

@@ -1,76 +0,0 @@
-name: Pull Request Build
-
-on:
-  pull_request:
-
-permissions:
-  contents: write
-  pull-requests: write
-
-jobs:
-  build:
-    name: Build
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@v6
-      - name: Setup Java 8
-        uses: actions/setup-java@v5
-        with:
-          distribution: 'temurin'
-          java-version: 8
-      - name: Setup Java 11
-        uses: actions/setup-java@v5
-        with:
-          distribution: 'temurin'
-          java-version: 11
-      - name: Setup Java 17
-        uses: actions/setup-java@v5
-        with:
-          distribution: 'temurin'
-          java-version: 17
-      - name: Setup Java
-        uses: actions/setup-java@v5
-        with:
-          distribution: 'temurin'
-          java-version: 21
-      - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v6
-      - name: Setup Maven Repository
-        env:
-          SW_MAVEN_CREDENTIALS: ${{ secrets.SW_MAVEN_CREDENTIALS }}
-        run: |
-          echo "$SW_MAVEN_CREDENTIALS" > steamwar.properties
-      - name: Build with Gradle
-        run: ./gradlew build --no-daemon
-
-      - name: Merge successful backport PR
-        shell: bash
-        env:
-          GITHUB_TOKEN: ${{ secrets.CI_BOT_TOKEN }}
-          BACKPORT_BRANCH_PREFIX: backport/commoncore
-        run: |
-          set -euo pipefail
-
-          head_branch="$(jq -r '.pull_request.head.ref // ""' "$GITHUB_EVENT_PATH")"
-          base_branch="$(jq -r '.pull_request.base.ref // ""' "$GITHUB_EVENT_PATH")"
-          pr_number="$(jq -r '.pull_request.number' "$GITHUB_EVENT_PATH")"
-
-          if [[ "${head_branch}" != "${BACKPORT_BRANCH_PREFIX}/"* ]]; then
-            echo "Not a CommonCore backport PR."
-            exit 0
-          fi
-
-          if [[ "${base_branch}" != version/* ]]; then
-            echo "Backport PR target is not a version/* branch."
-            exit 0
-          fi
-
-          api_url="${GITHUB_API_URL:-${GITHUB_SERVER_URL}/api/v1}"
-
-          curl -fsS -X POST \
-            -H "Accept: application/json" \
-            -H "Authorization: token ${GITHUB_TOKEN}" \
-            -H "Content-Type: application/json" \
-            -d '{"Do":"merge","delete_branch_after_merge":true}' \
-            "${api_url}/repos/${GITHUB_REPOSITORY}/pulls/${pr_number}/merge"

.gitignore

@@ -21,4 +21,3 @@ lib
 /WebsiteBackend/logs
 /WebsiteBackend/skins
 /WebsiteBackend/config.json
-/WebsiteBackend/sessions

BauSystem/BauSystem_15/build.gradle.kts

@@ -0,0 +1,35 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+plugins {
+    steamwar.java
+}
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_17
+    targetCompatibility = JavaVersion.VERSION_17
+}
+
+dependencies {
+    compileOnly(project(":BauSystem:BauSystem_Main", "default"))
+    compileOnly(project(":SpigotCore", "default"))
+
+    compileOnly(libs.nms15)
+    compileOnly(libs.worldedit15)
+}

BauSystem/BauSystem_15/src/de/steamwar/bausystem/utils/FlatteningWrapper15.java

@@ -0,0 +1,249 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.utils;
+
+import com.sk89q.worldedit.EditSession;
+import com.sk89q.worldedit.WorldEdit;
+import com.sk89q.worldedit.WorldEditException;
+import com.sk89q.worldedit.bukkit.BukkitWorld;
+import com.sk89q.worldedit.bukkit.WorldEditPlugin;
+import com.sk89q.worldedit.extent.clipboard.BlockArrayClipboard;
+import com.sk89q.worldedit.extent.clipboard.Clipboard;
+import com.sk89q.worldedit.extent.clipboard.io.BuiltInClipboardFormat;
+import com.sk89q.worldedit.extent.clipboard.io.ClipboardFormats;
+import com.sk89q.worldedit.extent.clipboard.io.ClipboardReader;
+import com.sk89q.worldedit.extent.clipboard.io.ClipboardWriter;
+import com.sk89q.worldedit.function.mask.Mask;
+import com.sk89q.worldedit.function.mask.Mask2D;
+import com.sk89q.worldedit.function.operation.ForwardExtentCopy;
+import com.sk89q.worldedit.function.operation.Operations;
+import com.sk89q.worldedit.math.BlockVector3;
+import com.sk89q.worldedit.math.transform.AffineTransform;
+import com.sk89q.worldedit.regions.CuboidRegion;
+import com.sk89q.worldedit.regions.selector.CuboidRegionSelector;
+import com.sk89q.worldedit.session.ClipboardHolder;
+import com.sk89q.worldedit.util.SideEffectSet;
+import com.sk89q.worldedit.world.World;
+import com.sk89q.worldedit.world.block.BaseBlock;
+import com.sk89q.worldedit.world.block.BlockTypes;
+import de.steamwar.bausystem.region.Point;
+import org.bukkit.Bukkit;
+import org.bukkit.Material;
+import org.bukkit.block.Block;
+import org.bukkit.block.data.BlockData;
+import org.bukkit.block.data.Waterlogged;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.util.Vector;
+
+import javax.annotation.Nullable;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Objects;
+import java.util.Set;
+import java.util.concurrent.atomic.AtomicReference;
+import java.util.function.BiPredicate;
+import java.util.logging.Level;
+
+public class FlatteningWrapper15 implements FlatteningWrapper {
+
+    @Override
+    public boolean isNoBook(ItemStack item) {
+        return item.getType() != Material.WRITABLE_BOOK && item.getType() != Material.WRITTEN_BOOK;
+    }
+
+    private static final Set<Material> unpushable = new HashSet<>(Arrays.asList(Material.BARRIER, Material.BEACON, Material.COMMAND_BLOCK, Material.CHAIN_COMMAND_BLOCK, Material.REPEATING_COMMAND_BLOCK, Material.ENCHANTING_TABLE, Material.END_GATEWAY, Material.END_PORTAL, Material.ENDER_CHEST, Material.GRINDSTONE, Material.JIGSAW, Material.JUKEBOX, Material.NETHER_PORTAL, Material.OBSIDIAN, Material.STRUCTURE_VOID, Material.BARREL, Material.BEEHIVE, Material.BEE_NEST, Material.BLAST_FURNACE, Material.BREWING_STAND, Material.CHEST, Material.DAYLIGHT_DETECTOR, Material.DISPENSER, Material.DROPPER, Material.FURNACE, Material.HOPPER, Material.LECTERN, Material.SMOKER, Material.TRAPPED_CHEST));
+
+    // TODO: FLOWER
+    private static final Set<Material> breaking = new HashSet<>(Arrays.asList(Material.BAMBOO, Material.CACTUS, Material.CAKE, Material.CARVED_PUMPKIN, Material.CHORUS_FLOWER, Material.CHORUS_PLANT, Material.COBWEB, Material.COCOA, Material.DRAGON_EGG, Material.FIRE, Material.FLOWER_POT, Material.JACK_O_LANTERN, Material.LADDER, Material.LAVA, Material.LAVA, Material.LEVER, Material.LILY_PAD, Material.MELON, Material.NETHER_WART, Material.PUMPKIN, Material.COMPARATOR, Material.REDSTONE_WIRE, Material.REPEATER, Material.TORCH, Material.STRUCTURE_VOID, Material.SCAFFOLDING, Material.SEA_PICKLE, Material.SNOW, Material.SUGAR_CANE, Material.TORCH, Material.TRIPWIRE, Material.TRIPWIRE_HOOK, Material.TURTLE_EGG, Material.VINE, Material.WATER, Material.WHEAT));
+
+    @Override
+    public boolean isUnpusheable(Material material) {
+        if (unpushable.contains(material)) {
+            return true;
+        }
+        String name = material.name();
+        return name.contains("BANNER") || name.contains("SIGN");
+    }
+
+    @Override
+    public boolean isBreakingOnPush(Material material) {
+        if (breaking.contains(material)) {
+            return true;
+        }
+        String name = material.name();
+        return name.contains("BED") || name.contains("BUTTON") || name.contains("CARPET") || (name.contains("DOOR") && !name.contains("TRAPDOOR")) || name.contains("HEAD") || name.contains("LEAVES") || name.contains("MUSHROOM") || name.contains("PRESSURE_PLATE") || name.contains("SHULKER_BOX");
+    }
+
+    @Override
+    public boolean isWorldEditCommand(String command) {
+        if (command.startsWith("/")) {
+            command = command.replaceFirst("/", "");
+        }
+        command = command.toLowerCase();
+        return WorldEdit.getInstance().getPlatformManager().getPlatformCommandManager().getCommandManager().containsCommand(command);
+    }
+
+    private static final WorldEditPlugin WORLDEDIT_PLUGIN = Objects.requireNonNull((WorldEditPlugin) Bukkit.getPluginManager().getPlugin("WorldEdit"));
+    private static final World BUKKITWORLD = new BukkitWorld(Bukkit.getWorlds().get(0));
+
+    @Override
+    public void setSelection(Player p, Point minPoint, Point maxPoint) {
+        WORLDEDIT_PLUGIN.getSession(p).setRegionSelector(BUKKITWORLD, new CuboidRegionSelector(BUKKITWORLD, minPoint.toBlockVector3(), maxPoint.toBlockVector3()));
+    }
+
+    @Override
+    public Clipboard loadSchematic(File file) {
+        if (file == null) {
+            return null;
+        }
+        Clipboard clipboard;
+        try (ClipboardReader reader = Objects.requireNonNull(ClipboardFormats.findByFile(file)).getReader(new FileInputStream(file))) {
+            clipboard = reader.read();
+        } catch (NullPointerException | IOException e) {
+            throw new SecurityException("Bausystem schematic not found", e);
+        }
+        return clipboard;
+    }
+
+    @Override
+    public EditSession paste(PasteBuilder pasteBuilder) {
+        try (EditSession e = WorldEdit.getInstance().getEditSessionFactory().getEditSession(new BukkitWorld(Bukkit.getWorlds().get(0)), -1)) {
+            Clipboard clipboard = pasteBuilder.getClipboard();
+
+            if (!pasteBuilder.getMappers().isEmpty()) {
+                BlockVector3 minimum = clipboard.getRegion().getMinimumPoint();
+                for (int x = 0; x < clipboard.getDimensions().getX(); x++) {
+                    for (int y = 0; y < clipboard.getDimensions().getY(); y++) {
+                        for (int z = 0; z < clipboard.getDimensions().getZ(); z++) {
+                            BlockVector3 pos = minimum.add(x, y, z);
+                            pasteBuilder.getMappers().forEach(mapper -> mapper.accept(clipboard, pos));
+                        }
+                    }
+                }
+            }
+
+            AtomicReference<BlockVector3> pastePoint = new AtomicReference<>();
+            if (!pasteBuilder.getPredicates().isEmpty()) {
+                e.setMask(new Mask() {
+                    @Override
+                    public boolean test(BlockVector3 blockVector3) {
+                        BaseBlock block = clipboard.getFullBlock(blockVector3.subtract(pastePoint.get()).add(clipboard.getRegion().getMinimumPoint()));
+                        String blockName = block.getBlockType().toString().toLowerCase();
+                        for (BiPredicate<BaseBlock, String> predicate : pasteBuilder.getPredicates()) {
+                            if (!predicate.test(block, blockName)) return false;
+                        }
+                        return true;
+                    }
+
+                    public Mask copy() {
+                        return this;
+                    }
+
+                    @Nullable
+                    @Override
+                    public Mask2D toMask2D() {
+                        return null;
+                    }
+                });
+            }
+
+            ClipboardHolder ch = new ClipboardHolder(clipboard);
+            BlockVector3 dimensions = clipboard.getDimensions();
+            BlockVector3 v;
+            BlockVector3 offset = clipboard.getRegion().getMinimumPoint().subtract(clipboard.getOrigin());
+            if (pasteBuilder.getPastPoint() != null) {
+                v = pasteBuilder.getPastPoint().toBlockVector3();
+                if (pasteBuilder.isRotate()) {
+                    ch.setTransform(new AffineTransform().rotateY(180));
+                    v = v.add(dimensions.getX() / 2, 0, dimensions.getZ() / 2).subtract(offset.multiply(-1, 1, -1)).subtract(0, 0, 1);
+                } else {
+                    v = v.subtract(dimensions.getX() / 2, 0, dimensions.getZ() / 2).subtract(offset);
+                }
+            } else {
+                v = pasteBuilder.getMinPoint().toBlockVector3().subtract(offset);
+            }
+            pastePoint.set(v);
+
+            if (pasteBuilder.isReset()) {
+                e.setBlocks(new CuboidRegion(pasteBuilder.getMinPoint().toBlockVector3(), pasteBuilder.getMaxPoint().toBlockVector3()), Objects.requireNonNull(BlockTypes.AIR).getDefaultState().toBaseBlock());
+                if (pasteBuilder.getWaterLevel() != 0) {
+                    e.setBlocks(new CuboidRegion(pasteBuilder.getMinPoint().toBlockVector3(), pasteBuilder.getMaxPoint().toBlockVector3().withY(pasteBuilder.getWaterLevel())), Objects.requireNonNull(BlockTypes.WATER).getDefaultState().toBaseBlock());
+                }
+            }
+            e.setSideEffectApplier(SideEffectSet.none());
+            Operations.completeBlindly(ch.createPaste(e).to(v).ignoreAirBlocks(pasteBuilder.isIgnoreAir()).build());
+            return e;
+        } catch (WorldEditException e) {
+            throw new SecurityException(e.getMessage(), e);
+        }
+    }
+
+    @Override
+    public Clipboard copy(Point minPoint, Point maxPoint, Point copyPoint) {
+        BukkitWorld bukkitWorld = new BukkitWorld(Bukkit.getWorlds().get(0));
+        CuboidRegion region = new CuboidRegion(bukkitWorld, minPoint.toBlockVector3(), maxPoint.toBlockVector3());
+        BlockArrayClipboard clipboard = new BlockArrayClipboard(region);
+        try (EditSession e = WorldEdit.getInstance().getEditSessionFactory().getEditSession(bukkitWorld, -1)) {
+            ForwardExtentCopy copy = new ForwardExtentCopy(
+                    e, region, clipboard, region.getMinimumPoint()
+            );
+
+            copy.setCopyingEntities(false);
+            copy.setCopyingBiomes(false);
+
+            Operations.complete(copy);
+            clipboard.setOrigin(copyPoint.toBlockVector3());
+            return clipboard;
+        } catch (WorldEditException e) {
+            Bukkit.getLogger().log(Level.SEVERE, e.getMessage(), e);
+            return null;
+        }
+    }
+
+    @Override
+    public boolean backup(Point minPoint, Point maxPoint, File file) {
+        Clipboard clipboard = copy(minPoint, maxPoint, minPoint);
+        try (ClipboardWriter writer = BuiltInClipboardFormat.SPONGE_SCHEMATIC.getWriter(new FileOutputStream(file))) {
+            writer.write(clipboard);
+            return true;
+        } catch (IOException e) {
+            Bukkit.getLogger().log(Level.SEVERE, e.getMessage(), e);
+            return false;
+        }
+    }
+
+    @Override
+    public boolean inWater(org.bukkit.World world, Vector tntPosition) {
+        Block block = world.getBlockAt(tntPosition.getBlockX(), tntPosition.getBlockY(), tntPosition.getBlockZ());
+        if (block.getType() == Material.WATER)
+            return true;
+
+        BlockData data = block.getBlockData();
+        if (!(data instanceof Waterlogged))
+            return false;
+
+        return ((Waterlogged) data).isWaterlogged();
+    }
+}

BauSystem/BauSystem_15/src/de/steamwar/bausystem/utils/NMSWrapper15.java

@@ -0,0 +1,129 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.utils;
+
+import de.steamwar.Reflection;
+import de.steamwar.bausystem.features.util.NoClipCommand;
+import net.minecraft.server.v1_15_R1.*;
+import org.bukkit.GameMode;
+import org.bukkit.Material;
+import org.bukkit.craftbukkit.v1_15_R1.entity.CraftPlayer;
+import org.bukkit.craftbukkit.v1_15_R1.inventory.CraftItemStack;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+
+import java.util.List;
+
+public class NMSWrapper15 implements NMSWrapper {
+
+    private static final Reflection.Field<EnumGamemode> playerGameMode = Reflection.getField(PlayerInteractManager.class, EnumGamemode.class, 0);
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public void setInternalGameMode(Player player, GameMode gameMode) {
+        playerGameMode.set(((CraftPlayer) player).getHandle().playerInteractManager, EnumGamemode.getById(gameMode.getValue()));
+    }
+
+    @Override
+    public void setSlotToItemStack(Player player, Object o) {
+        PacketPlayInSetCreativeSlot packetPlayInSetCreativeSlot = (PacketPlayInSetCreativeSlot) o;
+        int index = packetPlayInSetCreativeSlot.b();
+        if (index >= 36 && index <= 44) {
+            index -= 36;
+        } else if (index > 44) {
+            index -= 5;
+        } else if (index <= 8) {
+            index = index - 8 + 36;
+        }
+        player.getInventory().setItem(index, CraftItemStack.asBukkitCopy(packetPlayInSetCreativeSlot.getItemStack()));
+        if (index < 9) player.getInventory().setHeldItemSlot(index);
+        player.updateInventory();
+    }
+
+    private static final Reflection.Field<Integer> gameStateChangeReason = Reflection.getField(NoClipCommand.gameStateChange, int.class, 0);
+
+    @Override
+    public void setGameStateChangeReason(Object packet) {
+        gameStateChangeReason.set(packet, 3);
+    }
+
+    @Override
+    public void setPlayerBuildAbilities(Player player) {
+        ((CraftPlayer) player).getHandle().abilities.mayBuild = true;
+        ((CraftPlayer) player).getHandle().abilities.canInstantlyBuild = true;
+    }
+
+    @Override
+    public Material pathMaterial() {
+        return Material.GRASS_PATH;
+    }
+
+    private static final int threshold = 2048;
+
+    @Override
+    public boolean checkItemStack(ItemStack item) {
+        net.minecraft.server.v1_15_R1.ItemStack nmsItem = CraftItemStack.asNMSCopy(item);
+        NBTTagCompound tag = nmsItem.getTag();
+        if (tag != null && tag.hasKey("BlockEntityTag")) {
+            NBTTagCompound blockTag = tag.getCompound("BlockEntityTag");
+            if (blockTag.hasKey("Items")) {
+                return drillDown(blockTag.getList("Items", 10), 0, 0) > threshold;
+            }
+        }
+
+        return false;
+    }
+
+    private int drillDown(NBTTagList items, int layer, int start) {
+        if (layer > 2) return start + threshold;
+        int invalid = start;
+        for (NBTBase nbtBase : items) {
+            if (!(nbtBase instanceof NBTTagCompound))
+                continue;
+            NBTTagCompound slot = (NBTTagCompound) nbtBase;
+            if (slot.hasKey("tag")) {
+                invalid += slot.getByte("Count");
+                NBTTagCompound iTag = slot.getCompound("tag");
+                if (iTag.hasKey("BlockEntityTag")) {
+                    NBTTagCompound blockTag = iTag.getCompound("BlockEntityTag");
+                    if (blockTag.hasKey("Items")) {
+                        invalid = drillDown(blockTag.getList("Items", 10), layer + 1, invalid);
+                    }
+                }
+            }
+            if (invalid > threshold)
+                break;
+        }
+        return invalid;
+    }
+
+    private final Class<?> explosionPacket = Reflection.getClass("net.minecraft.network.protocol.game.ClientboundExplodePacket");
+    private final Reflection.Field<Double> a = Reflection.getField(explosionPacket, double.class, 0);
+    private final Reflection.Field<Double> b = Reflection.getField(explosionPacket, double.class, 1);
+    private final Reflection.Field<Double> c = Reflection.getField(explosionPacket, double.class, 2);
+    private final Reflection.Field<Float> d = Reflection.getField(explosionPacket, float.class, 0);
+    private final Reflection.Field<List> e = Reflection.getField(explosionPacket, List.class, 0);
+
+    @Override
+    public Object resetExplosionKnockback(Object packet) {
+        PacketPlayOutExplosion packetPlayOutExplosion = (PacketPlayOutExplosion) packet;
+        return new PacketPlayOutExplosion(a.get(packetPlayOutExplosion), b.get(packetPlayOutExplosion), c.get(packetPlayOutExplosion), d.get(packetPlayOutExplosion), e.get(packetPlayOutExplosion), Vec3D.a);
+    }
+}

BauSystem/BauSystem_15/src/de/steamwar/bausystem/utils/PlaceItemWrapper15.java

@@ -0,0 +1,43 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.utils;
+
+import org.bukkit.Material;
+
+public class PlaceItemWrapper15 implements PlaceItemWrapper {
+
+    public PlaceItemWrapper15() {
+        for (Material material : Material.values()) {
+            if (!material.isBlock()) continue;
+            if (material.isLegacy()) continue;
+
+            String nonWall = material.name().replace("_WALL_", "").replace("WALL_", "").replace("_WALL", "");
+            try {
+                Material nonWallMaterial = Material.valueOf(nonWall);
+                if (nonWallMaterial != material && nonWallMaterial.isItem() && !nonWallMaterial.isBlock()) {
+                    BLOCK_MATERIAL_TO_WALL_BLOCK_MATERIAL.put(nonWallMaterial, material);
+                }
+            } catch (Exception e) {
+                // Ignore
+            }
+        }
+        ITEM_MATERIAL_TO_BLOCK_MATERIAL.put(Material.REDSTONE, Material.REDSTONE_WIRE);
+    }
+}

BauSystem/BauSystem_15/src/de/steamwar/bausystem/utils/PlayerMovementWrapper15.java

@@ -0,0 +1,51 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.utils;
+
+import de.steamwar.Reflection;
+import net.minecraft.server.v1_15_R1.EntityPlayer;
+import net.minecraft.server.v1_15_R1.PacketPlayInFlying;
+import org.bukkit.craftbukkit.v1_15_R1.entity.CraftPlayer;
+import org.bukkit.entity.Player;
+
+public class PlayerMovementWrapper15 implements PlayerMovementWrapper {
+
+    @Override
+    public void setPosition(Player player, Object object) {
+        PacketPlayInFlying packetPlayInFlying = ((PacketPlayInFlying) object);
+        EntityPlayer entityPlayer = ((CraftPlayer) player).getHandle();
+        if (Float.isNaN(packetPlayInFlying.a(Float.NaN))) {
+            entityPlayer.e(packetPlayInFlying.a(0.0), packetPlayInFlying.b(0.0), packetPlayInFlying.c(0.0));
+        } else {
+            entityPlayer.setLocation(packetPlayInFlying.a(0.0), packetPlayInFlying.b(0.0), packetPlayInFlying.c(0.0), packetPlayInFlying.a(0F), packetPlayInFlying.b(0F));
+        }
+    }
+
+    @Override
+    public Object convertToOut(Player player, Object object) {
+        PacketPlayInFlying packetPlayInFlying = ((PacketPlayInFlying) object);
+        Object packet = Reflection.newInstance(teleportPacket);
+        teleportEntity.set(packet, player.getEntityId());
+        teleportPosition.set(packet, packetPlayInFlying.a(0.0), packetPlayInFlying.b(0.0), packetPlayInFlying.c(0.0),
+                Float.isNaN(packetPlayInFlying.a(Float.NaN)) ? player.getLocation().getYaw() : packetPlayInFlying.a(0.0F),
+                Float.isNaN(packetPlayInFlying.b(Float.NaN)) ? player.getLocation().getPitch() : packetPlayInFlying.b(0.0F));
+        return packet;
+    }
+}

BauSystem/BauSystem_15/src/de/steamwar/bausystem/utils/TickListener15.java

@@ -0,0 +1,23 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.utils;
+
+public class TickListener15 implements TickListener {
+}

BauSystem/BauSystem_15/src/de/steamwar/bausystem/utils/TickManager15.java

@@ -0,0 +1,140 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.utils;
+
+import de.steamwar.bausystem.region.Region;
+import de.steamwar.bausystem.utils.bossbar.BossBarService;
+import de.steamwar.bausystem.utils.tps.TPSFreezeUtils;
+import de.steamwar.bausystem.utils.tps.TPSLimitUtils;
+import de.steamwar.core.TPSWarpUtils;
+import org.bukkit.Bukkit;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+
+public class TickManager15 implements TickManager, Listener {
+
+    private static float currentTPSLimit = 20;
+    private boolean currentlyStepping = false;
+    private float currentLimit;
+    private int stepsTotal;
+    private int stepsLeft;
+
+    @Override
+    public boolean canFreeze() {
+        return TPSFreezeUtils.isCanFreeze();
+    }
+
+    @Override
+    public void setTickRate(float tickRate) {
+        if (currentlyStepping) {
+            currentlyStepping = false;
+            Bukkit.getOnlinePlayers().forEach(player -> {
+                BossBarService.instance.remove(player, Region.getGlobalRegion(), "TickStep");
+            });
+        }
+        TPSWarpUtils.warp(tickRate);
+        if (currentTPSLimit == 0 && tickRate != 0) {
+            TPSFreezeUtils.unfreeze();
+        }
+        currentTPSLimit = tickRate;
+        if (tickRate == 0) {
+            TPSLimitUtils.unlimit();
+            TPSFreezeUtils.freeze();
+        } else if (tickRate < 20.0) {
+            TPSLimitUtils.limit(tickRate);
+        } else if (tickRate >= 20) {
+            TPSLimitUtils.unlimit();
+        }
+    }
+
+    @Override
+    public boolean isFrozen() {
+        return TPSFreezeUtils.frozen();
+    }
+
+    @Override
+    public void setFreeze(boolean freeze) {
+        if (freeze) {
+            setTickRate(0);
+        }
+    }
+
+    @Override
+    public void stepTicks(int ticks) {
+        currentLimit = 0;
+        setTickRate(20);
+        stepsLeft = ticks;
+        stepsTotal = ticks;
+        currentlyStepping = true;
+    }
+
+    @Override
+    public void sprintTicks(int ticks) {
+        currentLimit = currentTPSLimit;
+        setTickRate(4000);
+        stepsLeft = ticks;
+        stepsTotal = ticks;
+        currentlyStepping = true;
+    }
+
+    @Override
+    public boolean isSprinting() {
+        return currentlyStepping && currentTPSLimit > 20;
+    }
+
+    @Override
+    public boolean isStepping() {
+        return currentlyStepping && currentTPSLimit <= 20;
+    }
+
+    @Override
+    public float getTickRate() {
+        return currentTPSLimit;
+    }
+
+    @Override
+    public void setBlockTpsPacket(boolean block) {
+
+    }
+
+    @Override
+    public long getTotalTicks() {
+        return stepsTotal;
+    }
+
+    @Override
+    public long getDoneTicks() {
+        return stepsTotal - stepsLeft;
+    }
+
+    @Override
+    public long getRemainingTicks() {
+        return stepsLeft;
+    }
+
+    @EventHandler
+    public void onTickEnd(TickEndEvent event) {
+        if (!currentlyStepping) return;
+        stepsLeft--;
+        if (stepsLeft <= 0) {
+            setTickRate(currentLimit);
+        }
+    }
+}

BauSystem/BauSystem_15/src/de/steamwar/bausystem/utils/tps/PacketCache.java

@@ -0,0 +1,131 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.utils.tps;
+
+import de.steamwar.Reflection;
+import com.comphenix.tinyprotocol.TinyProtocol;
+import de.steamwar.core.BountifulWrapper;
+import de.steamwar.core.ChatWrapper;
+import de.steamwar.core.Core;
+import lombok.experimental.UtilityClass;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.Player;
+import org.bukkit.entity.TNTPrimed;
+import org.bukkit.scheduler.BukkitRunnable;
+import org.bukkit.scheduler.BukkitTask;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+@UtilityClass
+class PacketCache {
+
+    private static List<Object> packets = new ArrayList<>();
+    private static Set<Entity> entities = new HashSet<>();
+    private static BukkitTask task = null;
+
+    private static Class<?> vec3dClass = Reflection.getClass("net.minecraft.world.phys.Vec3");
+    private static Reflection.Field<Object> zeroVec3d = (Reflection.Field<Object>) Reflection.getField(vec3dClass, vec3dClass, 0);
+    private static Object ZERO_VEC3D = zeroVec3d.get(null);
+    private static Class<?> velocityPacketClass = Reflection.getClass("net.minecraft.network.protocol.game.ClientboundSetEntityMotionPacket");
+    private static Reflection.Constructor velocityPacketConstructor = Reflection.getConstructor(velocityPacketClass, int.class, vec3dClass);
+
+    private static Class<?> teleportPacketClass = Reflection.getClass("net.minecraft.network.protocol.game.ClientboundTeleportEntityPacket");
+    private static Class<?> entityClass = Reflection.getClass("net.minecraft.world.entity.Entity");
+    private static Reflection.Constructor teleportPacketConstructor = Reflection.getConstructor(teleportPacketClass, entityClass);
+
+    private static Class<?> craftEntityClass = Reflection.getClass("org.bukkit.craftbukkit.entity.CraftEntity");
+    private static Reflection.Method getHandle = Reflection.getMethod(craftEntityClass, "getHandle");
+
+    private static Object noGravityDataWatcher = BountifulWrapper.impl.getDataWatcherObject(5, Boolean.class);
+    private static Object fuseDataWatcher = BountifulWrapper.impl.getDataWatcherObject(8, Integer.class);
+
+    public void continuousSendCache() {
+        if (task != null) {
+            return;
+        }
+
+        createPackets();
+        task = new BukkitRunnable() {
+            @Override
+            public void run() {
+                _sendCache();
+            }
+        }.runTaskTimer(Core.getInstance(), 1, 1);
+    }
+
+    public void sendCache() {
+        if (task != null) {
+            task.cancel();
+            task = null;
+        }
+        _sendCache();
+    }
+
+    private void _sendCache() {
+        createPackets();
+        for (Player player : Bukkit.getOnlinePlayers()) {
+            for (Object packet : packets) {
+                TinyProtocol.instance.sendPacket(player, packet);
+            }
+        }
+    }
+
+    public void clearCache() {
+        packets.clear();
+        entities.clear();
+
+        if (task != null) {
+            task.cancel();
+            task = null;
+        }
+    }
+
+    private void createPackets() {
+        if (entities.stream().anyMatch(Entity::isDead)) {
+            entities.clear();
+            packets.clear();
+        }
+        List<Entity> entities = Bukkit.getWorlds().get(0).getEntities().stream()
+                .filter(e -> !(e instanceof Player))
+                .filter(e -> PacketCache.entities.add(e))
+                .collect(Collectors.toList());
+
+        for (Entity entity : entities) {
+            packets.add(teleportPacketConstructor.invoke(getHandle.invoke(entity)));
+        }
+        for (Entity entity : entities) {
+            packets.add(velocityPacketConstructor.invoke(entity.getEntityId(), ZERO_VEC3D));
+        }
+        for (Entity entity : entities) {
+            packets.add(ChatWrapper.impl.getDataWatcherPacket(entity.getEntityId(), noGravityDataWatcher, true));
+        }
+        for (Entity entity : entities) {
+            if (!(entity instanceof TNTPrimed)) continue;
+            TNTPrimed tnt = (TNTPrimed) entity;
+            int fuse = tnt.getFuseTicks();
+            packets.add(ChatWrapper.impl.getDataWatcherPacket(entity.getEntityId(), fuseDataWatcher, fuse - (fuse % 5) + 1));
+        }
+    }
+}

BauSystem/BauSystem_15/src/de/steamwar/bausystem/utils/tps/TPSFreezeUtils.java

@@ -0,0 +1,76 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.utils.tps;
+
+import de.steamwar.Reflection;
+import lombok.Getter;
+import lombok.experimental.UtilityClass;
+import org.bukkit.Bukkit;
+import org.bukkit.World;
+
+@UtilityClass
+public class TPSFreezeUtils {
+
+    private static Reflection.Field<Boolean> fieldAccessor;
+    @Getter
+    private static final boolean canFreeze;
+
+    private static final Reflection.Method getWorldHandle = Reflection.getTypedMethod(Reflection.getClass("org.bukkit.craftbukkit.CraftWorld"), "getHandle", null);
+
+    @Getter
+    private static boolean frozen = false;
+
+    private static final World world = Bukkit.getWorlds().get(0);
+
+    static {
+        Reflection.Field<Boolean> fieldAccessor;
+        try {
+            fieldAccessor = Reflection.getField(Reflection.getClass("net.minecraft.server.level.ServerLevel"), "freezed", boolean.class);
+        } catch (IllegalArgumentException e) {
+            fieldAccessor = null;
+        }
+        canFreeze = fieldAccessor != null;
+        TPSFreezeUtils.fieldAccessor = fieldAccessor;
+    }
+
+    public void freeze() {
+        setFreeze(world, true);
+    }
+
+    public void unfreeze() {
+        setFreeze(world, false);
+    }
+
+    public boolean frozen() {
+        return canFreeze && frozen;
+    }
+
+    private void setFreeze(World world, boolean state) {
+        if (canFreeze) {
+            fieldAccessor.set(getWorldHandle.invoke(world), state);
+            if (state) {
+                PacketCache.continuousSendCache();
+            } else {
+                PacketCache.clearCache();
+            }
+            frozen = state;
+        }
+    }
+}

BauSystem/BauSystem_15/src/de/steamwar/bausystem/utils/tps/TPSLimitUtils.java

@@ -0,0 +1,124 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.utils.tps;
+
+import de.steamwar.Reflection;
+import com.comphenix.tinyprotocol.TinyProtocol;
+import de.steamwar.bausystem.utils.PlayerMovementWrapper;
+import de.steamwar.core.Core;
+import lombok.experimental.UtilityClass;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+import org.bukkit.scheduler.BukkitTask;
+
+import java.util.Queue;
+import java.util.concurrent.ConcurrentLinkedQueue;
+import java.util.function.BiFunction;
+
+@UtilityClass
+public class TPSLimitUtils {
+
+    private static long currentTime = System.nanoTime();
+    private static BukkitTask tpsLimiter = null;
+    private static Queue<Runnable> packetQueue = new ConcurrentLinkedQueue<>();
+
+    public void unlimit() {
+        if (tpsLimiter != null) tpsLimiter.cancel();
+        tpsLimiter = null;
+    }
+
+    public void limit(double tps) {
+        if (tpsLimiter != null) tpsLimiter.cancel();
+
+        double delay = 20 / tps;
+        int loops = (int) Math.ceil(delay);
+        long sleepDelay = (long) (50 * delay) / loops;
+
+        tpsLimiter = Bukkit.getScheduler().runTaskTimer(Core.getInstance(), () -> {
+            PacketCache.sendCache();
+            for (int i = 0; i < loops; i++) {
+                sleepUntilNextTick(sleepDelay);
+                PacketCache.sendCache();
+                while (true) {
+                    Runnable runnable = packetQueue.poll();
+                    if (runnable == null) break;
+                    runnable.run();
+                }
+            }
+            PacketCache.clearCache();
+        }, 0, 1);
+    }
+
+    private void sleepUntilNextTick(long neededDelta) {
+        long lastTime = currentTime;
+        currentTime = System.nanoTime();
+
+        long timeDelta = (currentTime - lastTime) / 1000000;
+        if (neededDelta - timeDelta < 0) return;
+
+        try {
+            Thread.sleep(neededDelta - timeDelta);
+            currentTime = System.nanoTime();
+        } catch (InterruptedException e) {
+            Thread.currentThread().interrupt();
+        }
+    }
+
+    /*
+    static {
+        long timeInterval = 50;
+        final long[] lastTime = {System.currentTimeMillis()};
+        final double[] tps = {20.0};
+        Bukkit.getScheduler().runTaskTimer(Core.getInstance(), () -> {
+            long currentTime = System.currentTimeMillis();
+            if (currentTime > lastTime[0]) {
+                tps[0] = (double)timeInterval / (double)(currentTime - lastTime[0]) * 20.0;
+            }
+
+            lastTime[0] = currentTime;
+
+            Bukkit.getOnlinePlayers().forEach(player -> {
+                SWUtils.sendToActionbar(player, String.valueOf((int) (tps[0] * 10.0) / 10.0));
+            });
+        }, timeInterval / 50L, timeInterval / 50L);
+    }
+     */
+
+    private static final Class<?> position = Reflection.getClass("net.minecraft.network.protocol.game.ServerboundMovePlayerPacket$Pos");
+    private static final Class<?> positionLook = Reflection.getClass("net.minecraft.network.protocol.game.ServerboundMovePlayerPacket$PosRot");
+    static {
+        BiFunction<Player, Object, Object> positionSetter = (player, o) -> {
+            if (tpsLimiter != null) {
+                Object object = PlayerMovementWrapper.impl.convertToOut(player, o);
+                packetQueue.add(() -> {
+                    PlayerMovementWrapper.impl.setPosition(player, o);
+                    Bukkit.getOnlinePlayers().forEach(p -> {
+                        if (p == player) return;
+                        TinyProtocol.instance.sendPacket(p, object);
+                    });
+                });
+                return null;
+            }
+            return o;
+        };
+        TinyProtocol.instance.addFilter(position, positionSetter);
+        TinyProtocol.instance.addFilter(positionLook, positionSetter);
+    }
+}

BauSystem/BauSystem_18/build.gradle.kts

@@ -0,0 +1,35 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+plugins {
+    steamwar.java
+}
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_17
+    targetCompatibility = JavaVersion.VERSION_17
+}
+
+dependencies {
+    compileOnly(project(":BauSystem:BauSystem_Main", "default"))
+    compileOnly(project(":SpigotCore", "default"))
+
+    compileOnly(libs.spigotapi)
+    compileOnly(libs.nms18)
+}

BauSystem/BauSystem_18/src/de/steamwar/bausystem/utils/NMSWrapper18.java

@@ -0,0 +1,135 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.utils;
+
+import de.steamwar.Reflection;
+import de.steamwar.bausystem.features.util.NoClipCommand;
+import net.minecraft.nbt.NBTBase;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.nbt.NBTTagList;
+import net.minecraft.network.protocol.game.*;
+import net.minecraft.server.level.PlayerInteractManager;
+import net.minecraft.world.level.EnumGamemode;
+import org.bukkit.GameMode;
+import org.bukkit.Material;
+import org.bukkit.craftbukkit.v1_18_R2.entity.CraftPlayer;
+import org.bukkit.craftbukkit.v1_18_R2.inventory.CraftItemStack;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+
+import java.util.List;
+
+public class NMSWrapper18 implements NMSWrapper {
+
+    private static final Reflection.Field<EnumGamemode> playerGameMode = Reflection.getField(PlayerInteractManager.class, EnumGamemode.class, 0);
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public void setInternalGameMode(Player player, GameMode gameMode) {
+        playerGameMode.set(((CraftPlayer) player).getHandle().d, EnumGamemode.a(gameMode.getValue()));
+
+    }
+
+    @Override
+    public void setSlotToItemStack(Player player, Object o) {
+        PacketPlayInSetCreativeSlot packetPlayInSetCreativeSlot = (PacketPlayInSetCreativeSlot) o;
+        int index = packetPlayInSetCreativeSlot.b();
+        if (index >= 36 && index <= 44) {
+            index -= 36;
+        } else if (index > 44) {
+            index -= 5;
+        } else if (index <= 8) {
+            index = index - 8 + 36;
+        }
+        player.getInventory().setItem(index, CraftItemStack.asBukkitCopy(packetPlayInSetCreativeSlot.c()));
+        if (index < 9) player.getInventory().setHeldItemSlot(index);
+        player.updateInventory();
+    }
+
+    private static final Reflection.Field<PacketPlayOutGameStateChange.a> gameStateChangeReason = Reflection.getField(NoClipCommand.gameStateChange, PacketPlayOutGameStateChange.a.class, 12);
+
+    @Override
+    public void setGameStateChangeReason(Object packet) {
+        gameStateChangeReason.set(packet, PacketPlayOutGameStateChange.d);
+    }
+
+    @Override
+    public void setPlayerBuildAbilities(Player player) {
+        ((CraftPlayer) player).getHandle().fs().d = true;
+        ((CraftPlayer) player).getHandle().fs().e = true;
+    }
+
+    @Override
+    public Material pathMaterial() {
+        return Material.DIRT_PATH;
+    }
+
+    private static final int threshold = 2048;
+
+    @Override
+    public boolean checkItemStack(ItemStack item) {
+        net.minecraft.world.item.ItemStack nmsItem = CraftItemStack.asNMSCopy(item);
+        NBTTagCompound tag = nmsItem.t();
+        if (tag != null && tag.e("BlockEntityTag")) {
+            NBTTagCompound blockTag = tag.p("BlockEntityTag");
+            if (blockTag.e("Items")) {
+                return drillDown(blockTag.c("Items", 10), 0, 0) > threshold;
+            }
+        }
+
+        return false;
+    }
+
+    private int drillDown(NBTTagList items, int layer, int start) {
+        if (layer > 2) return start + threshold;
+        int invalid = start;
+        for (NBTBase nbtBase : items) {
+            if (!(nbtBase instanceof NBTTagCompound))
+                continue;
+            NBTTagCompound slot = (NBTTagCompound) nbtBase;
+            if (slot.e("tag")) {
+                invalid += slot.f("Count");
+                NBTTagCompound iTag = slot.p("tag");
+                if (iTag.e("BlockEntityTag")) {
+                    NBTTagCompound blockTag = iTag.p("BlockEntityTag");
+                    if (blockTag.e("Items")) {
+                        invalid = drillDown(blockTag.c("Items", 10), layer + 1, invalid);
+                    }
+                }
+            }
+            if (invalid > threshold)
+                break;
+        }
+        return invalid;
+    }
+
+    private final Class<?> explosionPacket = Reflection.getClass("net.minecraft.network.protocol.game.ClientboundExplodePacket");
+    private final Reflection.Field<Double> a = Reflection.getField(explosionPacket, double.class, 0);
+    private final Reflection.Field<Double> b = Reflection.getField(explosionPacket, double.class, 1);
+    private final Reflection.Field<Double> c = Reflection.getField(explosionPacket, double.class, 2);
+    private final Reflection.Field<Float> d = Reflection.getField(explosionPacket, float.class, 0);
+    private final Reflection.Field<List> e = Reflection.getField(explosionPacket, List.class, 0);
+
+    @Override
+    public Object resetExplosionKnockback(Object packet) {
+        PacketPlayOutExplosion packetPlayOutExplosion = (PacketPlayOutExplosion) packet;
+        return new PacketPlayOutExplosion(a.get(packetPlayOutExplosion), b.get(packetPlayOutExplosion), c.get(packetPlayOutExplosion), d.get(packetPlayOutExplosion), e.get(packetPlayOutExplosion), null);
+    }
+}

BauSystem/BauSystem_18/src/de/steamwar/bausystem/utils/PlayerMovementWrapper18.java

@@ -0,0 +1,51 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.utils;
+
+import de.steamwar.Reflection;
+import net.minecraft.network.protocol.game.PacketPlayInFlying;
+import net.minecraft.server.level.EntityPlayer;
+import org.bukkit.craftbukkit.v1_18_R2.entity.CraftPlayer;
+import org.bukkit.entity.Player;
+
+public class PlayerMovementWrapper18 implements PlayerMovementWrapper {
+
+    @Override
+    public void setPosition(Player player, Object object) {
+        PacketPlayInFlying packetPlayInFlying = ((PacketPlayInFlying) object);
+        EntityPlayer entityPlayer = ((CraftPlayer) player).getHandle();
+        if (packetPlayInFlying.h) {
+            entityPlayer.b(packetPlayInFlying.a, packetPlayInFlying.b, packetPlayInFlying.c, packetPlayInFlying.d, packetPlayInFlying.e);
+        } else {
+            entityPlayer.e(packetPlayInFlying.a, packetPlayInFlying.b, packetPlayInFlying.c);
+        }
+    }
+
+    @Override
+    public Object convertToOut(Player player, Object object) {
+        PacketPlayInFlying packetPlayInFlying = ((PacketPlayInFlying) object);
+        Object packet = Reflection.newInstance(teleportPacket);
+        teleportEntity.set(packet, player.getEntityId());
+        teleportPosition.set(packet, packetPlayInFlying.a, packetPlayInFlying.b, packetPlayInFlying.c,
+                packetPlayInFlying.h ? player.getLocation().getYaw() : packetPlayInFlying.d,
+                packetPlayInFlying.h ? player.getLocation().getPitch() : packetPlayInFlying.e);
+        return packet;
+    }
+}

BauSystem/BauSystem_19/build.gradle.kts

@@ -0,0 +1,37 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+plugins {
+    steamwar.java
+}
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_17
+    targetCompatibility = JavaVersion.VERSION_17
+}
+
+dependencies {
+    compileOnly(project(":BauSystem:BauSystem_Main", "default"))
+    compileOnly(project(":SpigotCore", "default"))
+
+    compileOnly(libs.spigotapi)
+    compileOnly(libs.paperapi)
+
+    compileOnly(libs.nms19)
+}

BauSystem/BauSystem_19/src/de/steamwar/bausystem/utils/NMSWrapper19.java

@@ -0,0 +1,134 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.utils;
+
+import de.steamwar.Reflection;
+import de.steamwar.bausystem.features.util.NoClipCommand;
+import net.minecraft.nbt.NBTBase;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.nbt.NBTTagList;
+import net.minecraft.network.protocol.game.*;
+import net.minecraft.server.level.PlayerInteractManager;
+import net.minecraft.world.level.EnumGamemode;
+import org.bukkit.GameMode;
+import org.bukkit.Material;
+import org.bukkit.craftbukkit.v1_19_R2.entity.CraftPlayer;
+import org.bukkit.craftbukkit.v1_19_R2.inventory.CraftItemStack;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+
+import java.util.List;
+
+public class NMSWrapper19 implements NMSWrapper {
+
+    private static final Reflection.Field<EnumGamemode> playerGameMode = Reflection.getField(PlayerInteractManager.class, EnumGamemode.class, 0);
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public void setInternalGameMode(Player player, GameMode gameMode) {
+        playerGameMode.set(((CraftPlayer) player).getHandle().d, EnumGamemode.a(gameMode.getValue()));
+    }
+
+    @Override
+    public void setSlotToItemStack(Player player, Object o) {
+        PacketPlayInSetCreativeSlot packetPlayInSetCreativeSlot = (PacketPlayInSetCreativeSlot) o;
+        int index = packetPlayInSetCreativeSlot.b();
+        if (index >= 36 && index <= 44) {
+            index -= 36;
+        } else if (index > 44) {
+            index -= 5;
+        } else if (index <= 8) {
+            index = index - 8 + 36;
+        }
+        player.getInventory().setItem(index, CraftItemStack.asBukkitCopy(packetPlayInSetCreativeSlot.c()));
+        if (index < 9) player.getInventory().setHeldItemSlot(index);
+        player.updateInventory();
+    }
+
+    private static final Reflection.Field<PacketPlayOutGameStateChange.a> gameStateChangeReason = Reflection.getField(NoClipCommand.gameStateChange, PacketPlayOutGameStateChange.a.class, 12);
+
+    @Override
+    public void setGameStateChangeReason(Object packet) {
+        gameStateChangeReason.set(packet, PacketPlayOutGameStateChange.d);
+    }
+
+    @Override
+    public void setPlayerBuildAbilities(Player player) {
+        ((CraftPlayer) player).getHandle().fF().d = true;
+        ((CraftPlayer) player).getHandle().fF().e = true;
+    }
+
+    @Override
+    public Material pathMaterial() {
+        return Material.DIRT_PATH;
+    }
+
+    private static final int threshold = 2048;
+
+    @Override
+    public boolean checkItemStack(ItemStack item) {
+        net.minecraft.world.item.ItemStack nmsItem = CraftItemStack.asNMSCopy(item);
+        NBTTagCompound tag = nmsItem.v();
+        if (tag != null && tag.e("BlockEntityTag")) {
+            NBTTagCompound blockTag = tag.p("BlockEntityTag");
+            if (blockTag.e("Items")) {
+                return drillDown(blockTag.c("Items", 10), 0, 0) > threshold;
+            }
+        }
+
+        return false;
+    }
+
+    private int drillDown(NBTTagList items, int layer, int start) {
+        if (layer > 2) return start + threshold;
+        int invalid = start;
+        for (NBTBase nbtBase : items) {
+            if (!(nbtBase instanceof NBTTagCompound))
+                continue;
+            NBTTagCompound slot = (NBTTagCompound) nbtBase;
+            if (slot.e("tag")) {
+                invalid += slot.f("Count");
+                NBTTagCompound iTag = slot.p("tag");
+                if (iTag.e("BlockEntityTag")) {
+                    NBTTagCompound blockTag = iTag.p("BlockEntityTag");
+                    if (blockTag.e("Items")) {
+                        invalid = drillDown(blockTag.c("Items", 10), layer + 1, invalid);
+                    }
+                }
+            }
+            if (invalid > threshold)
+                break;
+        }
+        return invalid;
+    }
+
+    private final Class<?> explosionPacket = Reflection.getClass("net.minecraft.network.protocol.game.ClientboundExplodePacket");
+    private final Reflection.Field<Double> a = Reflection.getField(explosionPacket, double.class, 0);
+    private final Reflection.Field<Double> b = Reflection.getField(explosionPacket, double.class, 1);
+    private final Reflection.Field<Double> c = Reflection.getField(explosionPacket, double.class, 2);
+    private final Reflection.Field<Float> d = Reflection.getField(explosionPacket, float.class, 0);
+    private final Reflection.Field<List> e = Reflection.getField(explosionPacket, List.class, 0);
+
+    @Override
+    public Object resetExplosionKnockback(Object packet) {
+        PacketPlayOutExplosion packetPlayOutExplosion = (PacketPlayOutExplosion) packet;
+        return new PacketPlayOutExplosion(a.get(packetPlayOutExplosion), b.get(packetPlayOutExplosion), c.get(packetPlayOutExplosion), d.get(packetPlayOutExplosion), e.get(packetPlayOutExplosion), null);
+    }
+}

BauSystem/BauSystem_19/src/de/steamwar/bausystem/utils/PlayerMovementWrapper19.java

@@ -0,0 +1,51 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.utils;
+
+import de.steamwar.Reflection;
+import net.minecraft.network.protocol.game.PacketPlayInFlying;
+import net.minecraft.server.level.EntityPlayer;
+import org.bukkit.craftbukkit.v1_19_R2.entity.CraftPlayer;
+import org.bukkit.entity.Player;
+
+public class PlayerMovementWrapper19 implements PlayerMovementWrapper {
+
+    @Override
+    public void setPosition(Player player, Object object) {
+        PacketPlayInFlying packetPlayInFlying = ((PacketPlayInFlying) object);
+        EntityPlayer entityPlayer = ((CraftPlayer) player).getHandle();
+        if (packetPlayInFlying.h) {
+            entityPlayer.b(packetPlayInFlying.a, packetPlayInFlying.b, packetPlayInFlying.c, packetPlayInFlying.d, packetPlayInFlying.e);
+        } else {
+            entityPlayer.e(packetPlayInFlying.a, packetPlayInFlying.b, packetPlayInFlying.c);
+        }
+    }
+
+    @Override
+    public Object convertToOut(Player player, Object object) {
+        PacketPlayInFlying packetPlayInFlying = ((PacketPlayInFlying) object);
+        Object packet = Reflection.newInstance(teleportPacket);
+        teleportEntity.set(packet, player.getEntityId());
+        teleportPosition.set(packet, packetPlayInFlying.a, packetPlayInFlying.b, packetPlayInFlying.c,
+                packetPlayInFlying.h ? player.getLocation().getYaw() : packetPlayInFlying.d,
+                packetPlayInFlying.h ? player.getLocation().getPitch() : packetPlayInFlying.e);
+        return packet;
+    }
+}

BauSystem/BauSystem_19/src/de/steamwar/bausystem/utils/TickListener19.java

@@ -0,0 +1,50 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.utils;
+
+import com.destroystokyo.paper.event.server.ServerTickEndEvent;
+import com.destroystokyo.paper.event.server.ServerTickStartEvent;
+import de.steamwar.bausystem.BauSystem;
+import org.bukkit.Bukkit;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+
+public class TickListener19 implements TickListener, Listener {
+
+    private boolean tickStartRan = false;
+
+    public TickListener19() {
+        Bukkit.getPluginManager().registerEvents(this, BauSystem.getInstance());
+    }
+
+    @EventHandler
+    public void onServerTickStart(ServerTickStartEvent event) {
+        if (TickManager.impl.isFrozen()) return;
+        Bukkit.getPluginManager().callEvent(new TickStartEvent());
+        tickStartRan = true;
+    }
+
+    @EventHandler
+    public void onServerTickEnd(ServerTickEndEvent event) {
+        if (!tickStartRan) return;
+        Bukkit.getPluginManager().callEvent(new TickEndEvent());
+        tickStartRan = false;
+    }
+}

BauSystem/BauSystem_20/build.gradle.kts

@@ -0,0 +1,36 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+plugins {
+    steamwar.java
+}
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_17
+    targetCompatibility = JavaVersion.VERSION_17
+}
+
+dependencies {
+    compileOnly(project(":BauSystem:BauSystem_Main", "default"))
+    compileOnly(project(":SpigotCore", "default"))
+
+    compileOnly(libs.spigotapi)
+
+    compileOnly(libs.nms20)
+}

BauSystem/BauSystem_20/src/de/steamwar/bausystem/utils/NMSWrapper20.java

@@ -0,0 +1,136 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.utils;
+
+import de.steamwar.Reflection;
+import de.steamwar.bausystem.features.util.NoClipCommand;
+import net.minecraft.nbt.NBTBase;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.nbt.NBTTagList;
+import net.minecraft.network.protocol.game.PacketPlayInSetCreativeSlot;
+import net.minecraft.network.protocol.game.PacketPlayOutExplosion;
+import net.minecraft.network.protocol.game.PacketPlayOutGameStateChange;
+import net.minecraft.server.level.PlayerInteractManager;
+import net.minecraft.world.level.EnumGamemode;
+import org.bukkit.GameMode;
+import org.bukkit.Material;
+import org.bukkit.craftbukkit.v1_20_R1.entity.CraftPlayer;
+import org.bukkit.craftbukkit.v1_20_R1.inventory.CraftItemStack;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+
+import java.util.List;
+
+public class NMSWrapper20 implements NMSWrapper {
+
+    private static final Reflection.Field<EnumGamemode> playerGameMode = Reflection.getField(PlayerInteractManager.class, EnumGamemode.class, 0);
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public void setInternalGameMode(Player player, GameMode gameMode) {
+        playerGameMode.set(((CraftPlayer) player).getHandle().e, EnumGamemode.a(gameMode.getValue()));
+    }
+
+    @Override
+    public void setSlotToItemStack(Player player, Object o) {
+        PacketPlayInSetCreativeSlot packetPlayInSetCreativeSlot = (PacketPlayInSetCreativeSlot) o;
+        int index = packetPlayInSetCreativeSlot.a();
+        if (index >= 36 && index <= 44) {
+            index -= 36;
+        } else if (index > 44) {
+            index -= 5;
+        } else if (index <= 8) {
+            index = index - 8 + 36;
+        }
+        player.getInventory().setItem(index, CraftItemStack.asBukkitCopy(packetPlayInSetCreativeSlot.c()));
+        if (index < 9) player.getInventory().setHeldItemSlot(index);
+        player.updateInventory();
+    }
+
+    private static final Reflection.Field<PacketPlayOutGameStateChange.a> gameStateChangeReason = Reflection.getField(NoClipCommand.gameStateChange, PacketPlayOutGameStateChange.a.class, 12);
+
+    @Override
+    public void setGameStateChangeReason(Object packet) {
+        gameStateChangeReason.set(packet, PacketPlayOutGameStateChange.d);
+    }
+
+    @Override
+    public void setPlayerBuildAbilities(Player player) {
+        ((CraftPlayer) player).getHandle().fO().d = true;
+        ((CraftPlayer) player).getHandle().fO().e = true;
+    }
+
+    @Override
+    public Material pathMaterial() {
+        return Material.DIRT_PATH;
+    }
+
+    private static final int threshold = 2048;
+
+    @Override
+    public boolean checkItemStack(ItemStack item) {
+        net.minecraft.world.item.ItemStack nmsItem = CraftItemStack.asNMSCopy(item);
+        NBTTagCompound tag = nmsItem.v();
+        if (tag != null && tag.e("BlockEntityTag")) {
+            NBTTagCompound blockTag = tag.p("BlockEntityTag");
+            if (blockTag.e("Items")) {
+                return drillDown(blockTag.c("Items", 10), 0, 0) > threshold;
+            }
+        }
+
+        return false;
+    }
+
+    private int drillDown(NBTTagList items, int layer, int start) {
+        if (layer > 2) return start + threshold;
+        int invalid = start;
+        for (NBTBase nbtBase : items) {
+            if (!(nbtBase instanceof NBTTagCompound))
+                continue;
+            NBTTagCompound slot = (NBTTagCompound) nbtBase;
+            if (slot.e("tag")) {
+                invalid += slot.f("Count");
+                NBTTagCompound iTag = slot.p("tag");
+                if (iTag.e("BlockEntityTag")) {
+                    NBTTagCompound blockTag = iTag.p("BlockEntityTag");
+                    if (blockTag.e("Items")) {
+                        invalid = drillDown(blockTag.c("Items", 10), layer + 1, invalid);
+                    }
+                }
+            }
+            if (invalid > threshold)
+                break;
+        }
+        return invalid;
+    }
+
+    private final Class<?> explosionPacket = Reflection.getClass("net.minecraft.network.protocol.game.ClientboundExplodePacket");
+    private final Reflection.Field<Double> a = Reflection.getField(explosionPacket, double.class, 0);
+    private final Reflection.Field<Double> b = Reflection.getField(explosionPacket, double.class, 1);
+    private final Reflection.Field<Double> c = Reflection.getField(explosionPacket, double.class, 2);
+    private final Reflection.Field<Float> d = Reflection.getField(explosionPacket, float.class, 0);
+    private final Reflection.Field<List> e = Reflection.getField(explosionPacket, List.class, 0);
+
+    @Override
+    public Object resetExplosionKnockback(Object packet) {
+        PacketPlayOutExplosion packetPlayOutExplosion = (PacketPlayOutExplosion) packet;
+        return new PacketPlayOutExplosion(a.get(packetPlayOutExplosion), b.get(packetPlayOutExplosion), c.get(packetPlayOutExplosion), d.get(packetPlayOutExplosion), e.get(packetPlayOutExplosion), null);
+    }
+}

BauSystem/BauSystem_20/src/de/steamwar/bausystem/utils/PlaceItemWrapper20.java

@@ -0,0 +1,43 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.utils;
+
+import org.bukkit.Material;
+import org.bukkit.block.data.BlockData;
+
+public class PlaceItemWrapper20 implements PlaceItemWrapper {
+
+    public PlaceItemWrapper20() {
+        for (Material material : Material.values()) {
+            if (!material.isBlock()) continue;
+            if (material.isLegacy()) continue;
+            BlockData blockData = material.createBlockData();
+            Material placementMaterial = blockData.getPlacementMaterial();
+            if (material == placementMaterial) continue;
+            if (placementMaterial == Material.AIR) continue;
+            if (placementMaterial.isItem() && !placementMaterial.isBlock()) {
+                ITEM_MATERIAL_TO_BLOCK_MATERIAL.put(placementMaterial, material);
+            }
+            if (material.name().contains("WALL")) {
+                BLOCK_MATERIAL_TO_WALL_BLOCK_MATERIAL.put(placementMaterial, material);
+            }
+        }
+    }
+}

BauSystem/BauSystem_20/src/de/steamwar/bausystem/utils/PlayerMovementWrapper20.java

@@ -0,0 +1,51 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.utils;
+
+import de.steamwar.Reflection;
+import net.minecraft.network.protocol.game.PacketPlayInFlying;
+import net.minecraft.server.level.EntityPlayer;
+import org.bukkit.craftbukkit.v1_20_R1.entity.CraftPlayer;
+import org.bukkit.entity.Player;
+
+public class PlayerMovementWrapper20 implements PlayerMovementWrapper {
+
+    @Override
+    public void setPosition(Player player, Object object) {
+        PacketPlayInFlying packetPlayInFlying = ((PacketPlayInFlying) object);
+        EntityPlayer entityPlayer = ((CraftPlayer) player).getHandle();
+        if (packetPlayInFlying.h) {
+            entityPlayer.b(packetPlayInFlying.a, packetPlayInFlying.b, packetPlayInFlying.c, packetPlayInFlying.d, packetPlayInFlying.e);
+        } else {
+            entityPlayer.e(packetPlayInFlying.a, packetPlayInFlying.b, packetPlayInFlying.c);
+        }
+    }
+
+    @Override
+    public Object convertToOut(Player player, Object object) {
+        PacketPlayInFlying packetPlayInFlying = ((PacketPlayInFlying) object);
+        Object packet = Reflection.newInstance(teleportPacket);
+        teleportEntity.set(packet, player.getEntityId());
+        teleportPosition.set(packet, packetPlayInFlying.a, packetPlayInFlying.b, packetPlayInFlying.c,
+                packetPlayInFlying.h ? player.getLocation().getYaw() : packetPlayInFlying.d,
+                packetPlayInFlying.h ? player.getLocation().getPitch() : packetPlayInFlying.e);
+        return packet;
+    }
+}

BauSystem/BauSystem_21/build.gradle.kts

@@ -0,0 +1,36 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+plugins {
+    steamwar.java
+}
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_21
+    targetCompatibility = JavaVersion.VERSION_21
+}
+
+dependencies {
+    compileOnly(project(":BauSystem:BauSystem_Main", "default"))
+    compileOnly(project(":SpigotCore", "default"))
+
+    compileOnly(libs.paperapi21)
+
+    compileOnly(libs.nms21)
+}

BauSystem/BauSystem_21/src/de/steamwar/bausystem/utils/NMSWrapper21.java

@@ -0,0 +1,133 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.utils;
+
+import de.steamwar.Reflection;
+import de.steamwar.bausystem.features.util.NoClipCommand;
+import io.papermc.paper.datacomponent.DataComponentTypes;
+import io.papermc.paper.datacomponent.item.ItemContainerContents;
+import net.minecraft.network.protocol.game.ClientboundContainerSetSlotPacket;
+import net.minecraft.network.protocol.game.ClientboundExplodePacket;
+import net.minecraft.network.protocol.game.ClientboundGameEventPacket;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.server.level.ServerPlayerGameMode;
+import net.minecraft.world.entity.player.Abilities;
+import net.minecraft.world.level.GameType;
+import org.bukkit.GameMode;
+import org.bukkit.Material;
+import org.bukkit.craftbukkit.entity.CraftPlayer;
+import org.bukkit.craftbukkit.inventory.CraftItemStack;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+
+import java.util.List;
+import java.util.Optional;
+
+public class NMSWrapper21 implements NMSWrapper {
+
+    private static final Reflection.Field<ServerPlayerGameMode> playerInteractManager = Reflection.getField(ServerPlayer.class, null, ServerPlayerGameMode.class);
+    private static final Reflection.Field<GameType> playerGameMode = Reflection.getField(ServerPlayerGameMode.class, GameType.class, 0);
+
+    @Override
+    public void setInternalGameMode(Player player, GameMode gameMode) {
+        playerGameMode.set(playerInteractManager.get(((CraftPlayer) player).getHandle()), GameType.byId(gameMode.getValue()));
+    }
+
+    @Override
+    public void setSlotToItemStack(Player player, Object o) {
+        ClientboundContainerSetSlotPacket packetPlayInSetCreativeSlot = (ClientboundContainerSetSlotPacket) o;
+        int index = packetPlayInSetCreativeSlot.getSlot();
+        if (index >= 36 && index <= 44) {
+            index -= 36;
+        } else if (index > 44) {
+            index -= 5;
+        } else if (index <= 8) {
+            index = index - 8 + 36;
+        }
+        player.getInventory().setItem(index, CraftItemStack.asBukkitCopy(packetPlayInSetCreativeSlot.getItem()));
+        if (index < 9) player.getInventory().setHeldItemSlot(index);
+        player.updateInventory();
+    }
+
+    private static final Reflection.Field<ClientboundGameEventPacket.Type> gameStateChangeReason = Reflection.getField(NoClipCommand.gameStateChange, ClientboundGameEventPacket.Type.class, 14);
+
+    @Override
+    public void setGameStateChangeReason(Object packet) {
+        gameStateChangeReason.set(packet, ClientboundGameEventPacket.CHANGE_GAME_MODE);
+    }
+
+    @Override
+    public void setPlayerBuildAbilities(Player player) {
+        Abilities abilities = (((CraftPlayer) player).getHandle()).getAbilities();
+        abilities.mayBuild = true;
+        abilities.mayfly = true;
+    }
+
+    @Override
+    public Material pathMaterial() {
+        return Material.DIRT_PATH;
+    }
+
+    private static final int threshold = 2048;
+
+    @Override
+    public boolean checkItemStack(ItemStack item) {
+        ItemContainerContents data = item.getData(DataComponentTypes.CONTAINER);
+        if (data == null) {
+            return false;
+        }
+
+        return drillDown(data.contents(), 0, 0) > threshold;
+    }
+
+    private int drillDown(List<ItemStack> items, int layer, int start) {
+        if (layer > 2) return start + threshold;
+        int invalid = start;
+        for (int i = start; i < items.size(); i++) {
+            ItemStack item = items.get(i);
+            if (item.isEmpty()) continue;
+
+            invalid += item.getAmount();
+
+            ItemContainerContents data = item.getData(DataComponentTypes.CONTAINER);
+            if (data == null) {
+                continue;
+            }
+
+            List<ItemStack> subItems = data.contents();
+            if (subItems.size() > 1) {
+                invalid = drillDown(subItems, layer + 1, invalid);
+            }
+        }
+        return invalid;
+    }
+
+    @Override
+    public Object resetExplosionKnockback(Object packet) {
+        ClientboundExplodePacket explosion = (ClientboundExplodePacket) packet;
+
+        return new ClientboundExplodePacket(
+                explosion.center(),
+                Optional.empty(),
+                explosion.explosionParticle(),
+                explosion.explosionSound()
+        );
+    }
+}

BauSystem/BauSystem_21/src/de/steamwar/bausystem/utils/PlayerMovementWrapper21.java

@@ -0,0 +1,46 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.utils;
+
+import net.minecraft.network.protocol.game.ServerboundMovePlayerPacket;
+import net.minecraft.server.level.ServerPlayer;
+import org.bukkit.craftbukkit.entity.CraftPlayer;
+import org.bukkit.entity.Player;
+
+public class PlayerMovementWrapper21 implements PlayerMovementWrapper {
+
+    @Override
+    public void setPosition(Player player, Object object) {
+        ServerboundMovePlayerPacket packetPlayInFlying = ((ServerboundMovePlayerPacket) object);
+        ServerPlayer serverPlayer = ((CraftPlayer) player).getHandle();
+        if (packetPlayInFlying.hasPos) {
+            serverPlayer.setPosRaw(packetPlayInFlying.x, packetPlayInFlying.y, packetPlayInFlying.z);
+        }
+        if (packetPlayInFlying.hasRot) {
+            serverPlayer.setXRot(packetPlayInFlying.xRot);
+            serverPlayer.setYRot(packetPlayInFlying.yRot);
+        }
+    }
+
+    @Override
+    public Object convertToOut(Player player, Object object) {
+        return object;
+    }
+}

BauSystem/BauSystem_21/src/de/steamwar/bausystem/utils/TickManager21.java

@@ -0,0 +1,150 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.utils;
+
+import com.comphenix.tinyprotocol.TinyProtocol;
+import de.steamwar.Reflection;
+import de.steamwar.bausystem.BauSystem;
+import net.minecraft.network.protocol.game.ClientboundTickingStatePacket;
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.ServerTickRateManager;
+import net.minecraft.world.TickRateManager;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+
+public class TickManager21 implements TickManager {
+    private static final ServerTickRateManager manager = MinecraftServer.getServer().tickRateManager();
+    private static final Reflection.Field<Integer> frozenTicksToRun = Reflection.getField(TickRateManager.class, int.class, 0);
+    private static final Reflection.Field<Long> remainingSprintTicks = Reflection.getField(ServerTickRateManager.class, long.class, 0);
+
+    private boolean blockTpsPacket = true;
+    private int totalSteps;
+
+    public TickManager21() {
+        TinyProtocol.instance.addFilter(ClientboundTickingStatePacket.class, this::blockPacket);
+    }
+
+    private Object blockPacket(Player player, Object packet) {
+        if (blockTpsPacket) {
+            return new ClientboundTickingStatePacket(20, manager.isFrozen());
+        } else {
+            return packet;
+        }
+    }
+
+    @Override
+    public boolean canFreeze() {
+        return true;
+    }
+
+    @Override
+    public void setBlockTpsPacket(boolean block) {
+        blockTpsPacket = block;
+        if (blockTpsPacket) {
+            ClientboundTickingStatePacket packet = new ClientboundTickingStatePacket(20, manager.isFrozen());
+            Bukkit.getOnlinePlayers().forEach(player -> TinyProtocol.instance.sendPacket(player, packet));
+        } else {
+            ClientboundTickingStatePacket packet = new ClientboundTickingStatePacket(manager.tickrate(), manager.isFrozen());
+            Bukkit.getOnlinePlayers().forEach(player -> TinyProtocol.instance.sendPacket(player, packet));
+        }
+    }
+
+    @Override
+    public void setTickRate(float tickRate) {
+        if (isFrozen()) {
+            setFreeze(false);
+        }
+        manager.setTickRate(tickRate);
+    }
+
+    @Override
+    public boolean isFrozen() {
+        return manager.isFrozen();
+    }
+
+    @Override
+    public void setFreeze(boolean freeze) {
+        manager.setFrozen(freeze);
+    }
+
+    @Override
+    public void stepTicks(int ticks) {
+        if (manager.isSprinting()) {
+            manager.stopSprinting();
+        } else if (manager.isSteppingForward()) {
+            manager.stopStepping();
+        }
+        this.totalSteps = ticks;
+        manager.setFrozen(true);
+        manager.stepGameIfPaused(ticks);
+        manager.setFrozen(false);
+        Bukkit.getScheduler().runTaskTimer(BauSystem.getInstance(), (bukkitTask) -> {
+            if (manager.isSteppingForward()) return;
+            manager.setFrozen(true);
+            bukkitTask.cancel();
+        }, 1, 1);
+        manager.tick();
+    }
+
+    @Override
+    public void sprintTicks(int ticks) {
+        if (manager.isSteppingForward()) {
+            manager.stopStepping();
+        } else if (manager.isSprinting()) {
+            manager.stopSprinting();
+        }
+        this.totalSteps = ticks;
+        manager.requestGameToSprint(ticks, true);
+    }
+
+    @Override
+    public boolean isSprinting() {
+        return manager.isSprinting();
+    }
+
+    @Override
+    public boolean isStepping() {
+        return manager.isSteppingForward();
+    }
+
+    @Override
+    public float getTickRate() {
+        return manager.tickrate();
+    }
+
+    @Override
+    public long getRemainingTicks() {
+        if (isSprinting()) {
+            return remainingSprintTicks.get(manager);
+        } else {
+            return frozenTicksToRun.get(manager);
+        }
+    }
+
+    @Override
+    public long getDoneTicks() {
+        return totalSteps - getRemainingTicks();
+    }
+
+    @Override
+    public long getTotalTicks() {
+        return totalSteps;
+    }
+}

BauSystem/BauSystem_Main/build.gradle.kts

@@ -26,8 +26,8 @@ tasks.compileJava {
 }
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_21
-    targetCompatibility = JavaVersion.VERSION_21
+    sourceCompatibility = JavaVersion.VERSION_17
+    targetCompatibility = JavaVersion.VERSION_17
 }
 
 dependencies {
@@ -35,12 +35,10 @@ dependencies {
     annotationProcessor(libs.classindex)
     compileOnly(project(":SpigotCore", "default"))
 
+    compileOnly(libs.spigotapi)
     compileOnly(libs.axiom)
     compileOnly(libs.authlib)
 
-    compileOnly(libs.paperapi21)
-    compileOnly(libs.nms21)
-
     compileOnly(libs.fawe18)
 
     implementation(libs.luaj)

BauSystem/BauSystem_Main/src/BauSystem.properties

@@ -52,9 +52,6 @@ FLAG_ITEMS=Items
 FLAG_NO_GRAVITY = No Gravity
 FLAG_TESTBLOCK=Testblock
 FLAG_CHANGED=Changed
-FLAG_WATER_DESTROY=Water Destroy
-FLAG_WATER_DESTROY_ALLOW=§coff
-FLAG_WATER_DESTROY_DENY=§aon
 FLAG_FIRE_ALLOW=§con
 FLAG_FIRE_DENY=§aoff
 FLAG_FREEZE_ACTIVE=§aon
@@ -143,7 +140,6 @@ BAU_INFO_ITEM_LORE_ITEMS=§7Items§8: §e{0}
 BAU_INFO_ITEM_LORE_NO_GRAVITY = §7NoGravity§8: §e{0}
 BAU_INFO_ITEM_LORE_TESTBLOCK=§7Testblock§8: §e{0}
 BAU_INFO_ITEM_LORE_CHANGED=§7Changed§8: §e{0}
-BAU_INFO_ITEM_LORE_WATER_DESTROY=§7Water Destroy§8: §e{0}
 BAU_INFO_COMMAND_HELP=§8/§ebauinfo §8- §7Information regarding this build server
 BAU_INFO_COMMAND_OWNER=§7Owner§8: §e{0}
 BAU_INFO_COMMAND_MEMBER=§7{0} §8[§7{1}§8]§8: §e{2}
@@ -760,9 +756,6 @@ REGION_FIRE_DISABLED=§aFire damage activated in this region
 REGION_FREEZE_HELP=§8/§efreeze §8- §7Toggle Freeze
 REGION_FREEZE_ENABLED=§cRegion frozen
 REGION_FREEZE_DISABLED=§aRegion thawed
-REGION_WATER_HELP=§8/§ewaterdestroy §8- §7Toggle water damage
-REGION_WATER_ENABLED=§aWater damage deactivated in this region
-REGION_WATER_DISABLED=§cWater damage activated in this region
 REGION_ITEMS_HELP=§8/§eitems §8- §7Toggle Items
 REGION_ITEMS_ENABLED=§aItems enabled in this region
 REGION_ITEMS_DISABLED=§cItems disabled in this region

BauSystem/BauSystem_Main/src/BauSystem_de.properties

@@ -54,9 +54,6 @@ FLAG_FREEZE_ACTIVE=§aan
 FLAG_FREEZE_INACTIVE=§caus
 FLAG_PROTECT_ACTIVE=§aan
 FLAG_PROTECT_INACTIVE=§caus
-FLAG_WATER_DESTROY=Wasserschaden
-FLAG_WATER_DESTROY_ALLOW=§cerlaubt
-FLAG_WATER_DESTROY_DENY=§aaus
 FLAG_TNT_ALLOW=§aan
 FLAG_TNT_DENY=§caus
 FLAG_TNT_ONLY_TB=§7Kein §eBaurahmen
@@ -125,7 +122,6 @@ BAU_INFO_ITEM_NAME=§eBau-Management
 BAU_INFO_ITEM_LORE_FIRE=§7Feuer§8: §e{0}
 BAU_INFO_ITEM_LORE_COLOR=§7Farbe§8: §e{0}
 BAU_INFO_ITEM_LORE_CHANGED=§7Verändert§8: §e{0}
-BAU_INFO_ITEM_LORE_WATER_DESTROY=§7Wasserschaden§8: §e{0}
 BAU_INFO_COMMAND_HELP=§8/§ebauinfo §8- §7Gibt Informationen über den Bau
 BAU_INFO_COMMAND_OWNER=§7Besitzer§8: §e{0}
 BAU_INFO_COMMAND_MEMBER=§7{0} §8[§7{1}§8]§8: §e{2}
@@ -708,9 +704,6 @@ REGION_PROTECT_FALSE_REGION=§cDu befindest dich derzeit in keiner (M)WG-Region
 REGION_NO_GRAVITY_HELP = §8/§enogravity §8- §7Toggle NoGravity
 REGION_NO_GRAVITY_ENABLED = §aNoGravity aktiviert in dieser Region
 REGION_NO_GRAVITY_DISABLED = §cNoGravity deaktiviert in dieser Region
-REGION_WATER_HELP=§8/§ewaterblock §8- §7Wasserschaden umschalten
-REGION_WATER_ENABLED=§aWasserschaden deaktiviert
-REGION_WATER_DISABLED=§cWasserschaden aktiviert
 REGION_REGION_HELP_UNDO=§8/§eregion undo §8- §7Mache die letzten 20 /testblock oder /reset rückgängig
 REGION_REGION_HELP_REDO=§8/§eregion redo §8- §7Wiederhole die letzten 20 §8/§7rg undo
 REGION_REGION_HELP_RESTORE=§8/§eregion restore §8- §7Setzte die Region zurück, ohne das Gebaute zu löschen

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/BauSystem.java

@@ -34,18 +34,16 @@ import de.steamwar.bausystem.features.world.BauScoreboard;
 import de.steamwar.bausystem.linkage.BauGuiItem;
 import de.steamwar.bausystem.region.RegionSystem;
 import de.steamwar.bausystem.utils.ScoreboardElement;
+import de.steamwar.bausystem.utils.TickListener;
 import de.steamwar.bausystem.utils.TickManager;
 import de.steamwar.bausystem.worlddata.WorldData;
 import de.steamwar.command.AbstractValidator;
 import de.steamwar.command.SWCommandUtils;
 import de.steamwar.core.CRIUSleepEvent;
-import de.steamwar.core.Core;
 import de.steamwar.core.WorldEditRendererCUIEditor;
-import de.steamwar.core.WorldIdentifier;
 import de.steamwar.linkage.AbstractLinker;
 import de.steamwar.linkage.SpigotLinker;
 import de.steamwar.message.Message;
-import de.steamwar.providers.BauServerInfo;
 import lombok.Getter;
 import org.bukkit.Bukkit;
 import org.bukkit.GameRule;
@@ -123,18 +121,16 @@ public class BauSystem extends JavaPlugin implements Listener {
         } catch (AbstractLinker.LinkException e) {
             getLogger().log(Level.SEVERE, "Could not link a class.", e);
             Bukkit.shutdown();
-            return;
         }
 
+        TickListener.impl.init();
+
         TraceManager.instance.init();
         TraceRecorder.instance.init();
 
         new WorldEditRendererCUIEditor();
 
         Bukkit.getWorlds().get(0).setGameRule(GameRule.SEND_COMMAND_FEEDBACK, false);
-
-        String identifier = BauServerInfo.getOwnerUser().getUUID().toString().replace("-", "");
-        WorldIdentifier.set("bau/" + Core.getVersion() + "/" + identifier);
     }
 
     @EventHandler

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/bau/BauInfoBauGuiItem.java

@@ -56,6 +56,7 @@ public class BauInfoBauGuiItem extends BauGuiItem {
         Region region = Region.getRegion(player.getLocation());
         List<String> stringList = new ArrayList<>();
         for (Flag flag : Flag.getFlags()) {
+            if (flag == Flag.CHANGED) continue;
             if (!region.getRegionData().has(flag).isApplicable()) continue;
             FlagOptional<?> value = region.getRegionData().get(flag);
             if (value.isPresent()) {

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/design/endstone/DesignEndStone.java

@@ -31,7 +31,10 @@ import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.entity.Player;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
 import java.util.stream.Collectors;
 
 public class DesignEndStone {
@@ -53,10 +56,11 @@ public class DesignEndStone {
         this.maxY = region.getBuildArea().getMaxPoint(false).getY();
         this.maxZ = region.getBuildArea().getMaxPoint(false).getZ();
 
-        limited = Arrays.stream(Material.values())
-                .filter(Material::isBlock)
-                .filter(material -> !material.isLegacy())
-                .filter(material -> material.getBlastResistance() > region.getGameModeConfig().Schematic.MaxDesignBlastResistance)
+        limited = region.getGameModeConfig().Schematic.Limited
+                .entrySet()
+                .stream()
+                .filter(entry -> entry.getValue() == 0)
+                .flatMap(entry -> entry.getKey().stream())
                 .collect(Collectors.toSet());
         calculateFromBottom = region.getGameModeConfig().Arena.NoFloor;
 

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/dev/CreateKitCommand.java

@@ -1,63 +0,0 @@
-/*
- *   This file is a part of the SteamWar software.
- *
- *   Copyright (C) 2026 SteamWar.de-Serverteam
- *
- *   This program is free software: you can redistribute it and/or modify
- *   it under the terms of the GNU Affero General Public License as published by
- *   the Free Software Foundation, either version 3 of the License, or
- *   (at your option) any later version.
- *
- *   This program is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- *   GNU Affero General Public License for more details.
- *
- *   You should have received a copy of the GNU Affero General Public License
- *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package de.steamwar.bausystem.features.dev;
-
-import de.steamwar.bausystem.BauSystem;
-import de.steamwar.command.SWCommand;
-import de.steamwar.linkage.Linked;
-import org.bukkit.configuration.file.YamlConfiguration;
-import org.bukkit.entity.Player;
-
-import java.io.File;
-import java.io.IOException;
-
-@Linked
-public class CreateKitCommand extends SWCommand {
-
-    public CreateKitCommand() {
-        super("createkit");
-        if (!BauSystem.DEV_SERVER) unregister();
-    }
-
-    @Register
-    public void onCommand(Player player, String name) {
-        YamlConfiguration yaml = new YamlConfiguration();
-
-        yaml.set("Items", player.getInventory().getContents());
-        yaml.set("Armor", player.getInventory().getArmorContents());
-        yaml.set("Effects", player.getActivePotionEffects());
-        yaml.set("LeaderAllowed", true);
-        yaml.set("MemberAllowed", true);
-        yaml.set("EnterStage", 0);
-        yaml.set("TNT", true);
-
-        YamlConfiguration kits = new YamlConfiguration();
-
-        kits.set("Kits." + name, yaml);
-
-        try {
-            kits.save(new File("new.kits.yaml"));
-
-            player.sendMessage("Kit created!");
-        } catch (IOException e) {
-            throw new RuntimeException(e);
-        }
-    }
-}

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/observer/ObserverTracer.java

@@ -19,6 +19,7 @@
 
 package de.steamwar.bausystem.features.observer;
 
+import de.steamwar.Reflection;
 import de.steamwar.bausystem.region.Point;
 import de.steamwar.core.SWPlayer;
 import org.bukkit.Location;
@@ -28,9 +29,8 @@ import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
 import org.bukkit.block.data.Bisected;
 import org.bukkit.block.data.BlockData;
-import org.bukkit.block.data.type.*;
 import org.bukkit.block.data.type.Observer;
-import org.bukkit.craftbukkit.block.impl.CraftPoweredRail;
+import org.bukkit.block.data.type.*;
 import org.bukkit.entity.Player;
 
 import java.util.*;
@@ -171,6 +171,7 @@ public class ObserverTracer implements SWPlayer.Component {
         }
     }
 
+    private static final Class<?> craftPoweredRail = Reflection.getClass("org.bukkit.craftbukkit.block.impl.CraftPoweredRail");
     private boolean checkAllowed(Block block, BlockData blockData) {
         if (checkMaterial(block)) return true;
         if (block.getType() == Material.BELL) {
@@ -179,7 +180,7 @@ public class ObserverTracer implements SWPlayer.Component {
 
         return blockData instanceof Door
                 || blockData instanceof Gate
-                || blockData instanceof CraftPoweredRail
+                || craftPoweredRail.isInstance(blockData)
                 || blockData instanceof TrapDoor
                 || blockData instanceof GlassPane;
     }

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/observer/ObserverTracerListener.java

@@ -46,8 +46,8 @@ public class ObserverTracerListener implements Listener {
     public ObserverTracerListener() {
         Bukkit.getScheduler().runTaskTimer(BauSystem.getInstance(), () -> {
             SWPlayer.allWithSingleComponent(ObserverTracer.class).forEach(pair -> {
-                if (pair.getPlayer().getGameMode() != GameMode.SPECTATOR) return;
-                pair.getComponent().show();
+                if (pair.getKey().getGameMode() != GameMode.SPECTATOR) return;
+                pair.getValue().show();
             });
         }, 15L, 15L);
     }
@@ -64,7 +64,7 @@ public class ObserverTracerListener implements Listener {
                     createNew(event);
                 }
                 SWPlayer.allWithSingleComponent(ObserverTracer.class).forEach(pair -> {
-                    pair.getComponent().trace();
+                    pair.getValue().trace();
                 });
             }, 1L);
         } else {

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/region/FreezeListener.java

@@ -46,16 +46,6 @@ import org.bukkit.event.player.PlayerInteractEvent;
 @Linked
 public class FreezeListener implements Listener, ScoreboardElement {
 
-    @EventHandler
-    public void onBlockExplode(BlockExplodeEvent e) {
-        if (Region.getRegion(e.getBlock().getLocation()).getRegionData().get(Flag.FREEZE).isWithDefault(FreezeMode.INACTIVE)) return;
-        e.setCancelled(true);
-        BlockState state = e.getBlock().getState();
-        Bukkit.getScheduler().runTaskLater(BauSystem.getInstance(), () -> {
-            state.update(true, false);
-        }, 1L);
-    }
-
     @EventHandler
     public void onEntitySpawn(EntitySpawnEvent e) {
         if (Region.getRegion(e.getLocation()).getRegionData().get(Flag.FREEZE).isWithDefault(FreezeMode.INACTIVE)) return;

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/region/RegionCommand.java

@@ -30,6 +30,7 @@ import de.steamwar.bausystem.BauSystem;
 import de.steamwar.bausystem.features.util.SelectCommand;
 import de.steamwar.bausystem.region.Point;
 import de.steamwar.bausystem.region.Region;
+import de.steamwar.bausystem.region.RegionHistory;
 import de.steamwar.bausystem.region.RegionUtils;
 import de.steamwar.bausystem.region.flags.Flag;
 import de.steamwar.bausystem.shared.Pair;
@@ -71,7 +72,10 @@ public class RegionCommand extends SWCommand {
     @Register(value = "undo", description = "REGION_REGION_HELP_UNDO")
     public void undoCommand(@Validator Player p) {
         Region region = Region.getRegion(p.getLocation());
-        if (checkGlobalRegion(region, p)) return;
+        if (region.getHistory() == RegionHistory.EMPTY) {
+            BauSystem.MESSAGE.send("REGION_REGION_NO_REGION", p);
+            return;
+        }
 
         if (region.getHistory().undo()) {
             RegionUtils.message(region, "REGION_REGION_UNDID");
@@ -83,7 +87,8 @@ public class RegionCommand extends SWCommand {
     @Register(value = "redo", description = "REGION_REGION_HELP_REDO")
     public void redoCommand(@Validator Player p) {
         Region region = Region.getRegion(p.getLocation());
-        if (checkGlobalRegion(region, p)) {
+        if (region.getHistory() == RegionHistory.EMPTY) {
+            BauSystem.MESSAGE.send("REGION_REGION_NO_REGION", p);
             return;
         }
 

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/region/TNTListener.java

@@ -67,7 +67,11 @@ public class TNTListener implements Listener, ScoreboardElement {
 
     @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
     public void onExplode(EntityExplodeEvent event) {
-        explode(event.blockList(), event.getEntity() instanceof TNTPrimed);
+        if (!(event.getEntity() instanceof TNTPrimed)) {
+            event.blockList().clear();
+            return;
+        }
+        explode(event.blockList(), true);
     }
 
     @Override

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/region/TestblockCommand.java

@@ -21,9 +21,11 @@ package de.steamwar.bausystem.features.region;
 
 import de.steamwar.bausystem.BauSystem;
 import de.steamwar.bausystem.config.BauServer;
+import de.steamwar.bausystem.region.Point;
 import de.steamwar.bausystem.region.Region;
 import de.steamwar.bausystem.region.RegionUtils;
 import de.steamwar.bausystem.region.flags.Flag;
+import de.steamwar.bausystem.region.flags.TestblockMode;
 import de.steamwar.bausystem.region.utils.RegionExtensionType;
 import de.steamwar.bausystem.utils.PasteBuilder;
 import de.steamwar.command.PreviousArguments;
@@ -173,6 +175,17 @@ public class TestblockCommand extends SWCommand {
 
     private Region regionCheck(Player player) {
         Region region = Region.getRegion(player.getLocation());
+        if (region.getFlags().has(Flag.TESTBLOCK).isWritable() && region.getFlags().get(Flag.TESTBLOCK).isWithDefault(TestblockMode.NO_VALUE)) {
+            Point minPoint = region.getArea().getMinPoint(false);
+            Point maxPoint = region.getArea().getMaxPoint(false);
+            // TODO: Check if empty!
+            int half = minPoint.getZ() + (maxPoint.getZ() - minPoint.getZ()) / 2;
+            if (player.getLocation().getBlockZ() <= half) {
+                region.getFlags().set(Flag.TESTBLOCK, TestblockMode.SOUTH);
+            } else {
+                region.getFlags().set(Flag.TESTBLOCK, TestblockMode.NORTH);
+            }
+        }
         if (region.getTestblockArea().isEmpty()) {
             BauSystem.MESSAGE.send("REGION_TB_NO_REGION", player);
             return null;

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/region/WaterDestroyCommand.java

@@ -1,64 +0,0 @@
-/*
- *   This file is a part of the SteamWar software.
- *
- *   Copyright (C) 2025 SteamWar.de-Serverteam
- *
- *   This program is free software: you can redistribute it and/or modify
- *   it under the terms of the GNU Affero General Public License as published by
- *   the Free Software Foundation, either version 3 of the License, or
- *   (at your option) any later version.
- *
- *   This program is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- *   GNU Affero General Public License for more details.
- *
- *   You should have received a copy of the GNU Affero General Public License
- *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package de.steamwar.bausystem.features.region;
-
-import de.steamwar.bausystem.region.Region;
-import de.steamwar.bausystem.region.RegionUtils;
-import de.steamwar.bausystem.region.flags.Flag;
-import de.steamwar.bausystem.region.flags.WaterDestroyMode;
-import de.steamwar.command.SWCommand;
-import de.steamwar.linkage.Linked;
-import org.bukkit.entity.Player;
-
-@Linked
-public class WaterDestroyCommand extends SWCommand {
-    public WaterDestroyCommand() {
-        super("waterdestroy");
-    }
-
-    private String getEnableMessage(){
-        return "REGION_WATER_ENABLED";
-    }
-
-    private String getDisableMessage(){
-        return "REGION_WATER_DISABLED";
-    }
-
-    @Register(description = "REGION_WATER_HELP")
-    public void toggleCommand(@Validator Player p) {
-        Region region = Region.getRegion(p.getLocation());
-
-        if (toggle(region)) {
-            RegionUtils.actionBar(region, getEnableMessage());
-        } else {
-            RegionUtils.actionBar(region, getDisableMessage());
-        }
-    }
-
-    private boolean toggle(Region region) {
-        if (region.getRegionData().get(Flag.WATER_DESTROY).isWithDefault(WaterDestroyMode.DENY)) {
-            region.getRegionData().set(Flag.WATER_DESTROY, WaterDestroyMode.ALLOW);
-            return false;
-        } else {
-            region.getRegionData().set(Flag.WATER_DESTROY, WaterDestroyMode.DENY);
-            return true;
-        }
-    }
-}

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/region/WaterDestroyListener.java

@@ -1,57 +0,0 @@
-/*
- *   This file is a part of the SteamWar software.
- *
- *   Copyright (C) 2025 SteamWar.de-Serverteam
- *
- *   This program is free software: you can redistribute it and/or modify
- *   it under the terms of the GNU Affero General Public License as published by
- *   the Free Software Foundation, either version 3 of the License, or
- *   (at your option) any later version.
- *
- *   This program is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- *   GNU Affero General Public License for more details.
- *
- *   You should have received a copy of the GNU Affero General Public License
- *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package de.steamwar.bausystem.features.region;
-
-import de.steamwar.bausystem.BauSystem;
-import de.steamwar.bausystem.region.Region;
-import de.steamwar.bausystem.region.flags.Flag;
-import de.steamwar.bausystem.region.flags.WaterDestroyMode;
-import de.steamwar.bausystem.utils.ScoreboardElement;
-import de.steamwar.linkage.Linked;
-import org.bukkit.Material;
-import org.bukkit.entity.Player;
-import org.bukkit.event.EventHandler;
-import org.bukkit.event.Listener;
-import org.bukkit.event.block.BlockFromToEvent;
-
-@Linked
-public class WaterDestroyListener implements Listener, ScoreboardElement {
-
-    @EventHandler
-    public void onBlockFromTo(BlockFromToEvent event) {
-        if (event.getBlock().getType() == Material.WATER && event.getToBlock().getType() != Material.AIR && Region.getRegion(event.getBlock().getLocation()).getRegionData().get(Flag.WATER_DESTROY).isWithDefault(WaterDestroyMode.DENY)) event.setCancelled(true);
-    }
-
-    @Override
-    public ScoreboardGroup getGroup() {
-        return ScoreboardGroup.REGION;
-    }
-
-    @Override
-    public int order() {
-        return 5;
-    }
-
-    @Override
-    public String get(Region region, Player p) {
-        if (region.getRegionData().get(Flag.WATER_DESTROY).isWithDefault(WaterDestroyMode.ALLOW)) return null;
-        return "§e" + BauSystem.MESSAGE.parse(Flag.WATER_DESTROY.getChatValue(), p) + "§8: " + BauSystem.MESSAGE.parse(region.getRegionData().get(Flag.WATER_DESTROY).getWithDefault().getChatValue(), p);
-    }
-}

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/script/event/EventListener.java

@@ -51,8 +51,8 @@ public class EventListener implements Listener {
         Bukkit.getScheduler().runTaskTimer(BauSystem.getInstance(), () -> {
             long millis = System.currentTimeMillis();
             SWPlayer.allWithSingleComponent(ScriptRunner.ScriptData.class)
-                    .filter(pair -> millis - pair.getComponent().getLastF() > 200)
-                    .forEach(pair -> pair.getComponent().setLastF(Long.MAX_VALUE));
+                    .filter(pair -> millis - pair.getValue().getLastF() > 200)
+                    .forEach(pair -> pair.getValue().setLastF(Long.MAX_VALUE));
         }, 1, 1);
     }
 

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/SimulatorCursor.java

@@ -20,6 +20,7 @@
 package de.steamwar.bausystem.features.simulator;
 
 import com.comphenix.tinyprotocol.TinyProtocol;
+import de.steamwar.Reflection;
 import de.steamwar.bausystem.BauSystem;
 import de.steamwar.bausystem.Permission;
 import de.steamwar.bausystem.SWUtils;
@@ -47,7 +48,6 @@ import de.steamwar.linkage.Linked;
 import de.steamwar.linkage.MinVersion;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
-import net.minecraft.network.protocol.game.ServerboundMovePlayerPacket;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.Material;
@@ -72,6 +72,9 @@ import java.util.stream.Collectors;
 public class SimulatorCursor implements Listener {
 
     private static final World WORLD = Bukkit.getWorlds().get(0);
+    private Class<?> position = Reflection.getClass("net.minecraft.network.protocol.game.ServerboundMovePlayerPacket$Pos");
+    private Class<?> look = Reflection.getClass("net.minecraft.network.protocol.game.ServerboundMovePlayerPacket$Rot");
+    private Class<?> positionLook = Reflection.getClass("net.minecraft.network.protocol.game.ServerboundMovePlayerPacket$PosRot");
 
     private static Map<Player, CursorType> cursorType = Collections.synchronizedMap(new HashMap<>());
     private static Map<Player, REntityServer> cursors = Collections.synchronizedMap(new HashMap<>());
@@ -86,9 +89,9 @@ public class SimulatorCursor implements Listener {
             calcCursor(player);
             return object;
         };
-        TinyProtocol.instance.addFilter(ServerboundMovePlayerPacket.Pos.class, function);
-        TinyProtocol.instance.addFilter(ServerboundMovePlayerPacket.Rot.class, function);
-        TinyProtocol.instance.addFilter(ServerboundMovePlayerPacket.PosRot.class, function);
+        TinyProtocol.instance.addFilter(position, function);
+        TinyProtocol.instance.addFilter(look, function);
+        TinyProtocol.instance.addFilter(positionLook, function);
     }
 
     @EventHandler

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/execute/SimulatorExecutor.java

@@ -19,15 +19,14 @@
 
 package de.steamwar.bausystem.features.simulator.execute;
 
-import com.destroystokyo.paper.event.server.ServerTickEndEvent;
-import com.destroystokyo.paper.event.server.ServerTickStartEvent;
 import de.steamwar.bausystem.features.simulator.data.Simulator;
 import de.steamwar.bausystem.features.simulator.data.SimulatorElement;
 import de.steamwar.bausystem.features.simulator.data.SimulatorGroup;
 import de.steamwar.bausystem.features.tpslimit.TPSUtils;
 import de.steamwar.bausystem.features.tracer.TraceRecorder;
 import de.steamwar.bausystem.region.Region;
-import de.steamwar.bausystem.utils.TickManager;
+import de.steamwar.bausystem.utils.TickEndEvent;
+import de.steamwar.bausystem.utils.TickStartEvent;
 import de.steamwar.linkage.Linked;
 import de.steamwar.linkage.MinVersion;
 import org.bukkit.Bukkit;
@@ -110,13 +109,8 @@ public class SimulatorExecutor implements Listener {
         return true;
     }
 
-    private boolean tickStartRan = false;
-
     @EventHandler
-    public void onServerTickStart(ServerTickStartEvent event) {
-        if (TickManager.impl.isFrozen()) return;
-        tickStartRan = true;
-
+    public void onTickStart(TickStartEvent event) {
         long currentTick = TPSUtils.currentRealTick.get();
         Map<Integer, List<SimulatorAction>> actionsToRun = tickStartActions.remove(currentTick);
         if (actionsToRun == null) return;
@@ -129,10 +123,7 @@ public class SimulatorExecutor implements Listener {
     }
 
     @EventHandler
-    public void onServerTickEnd(ServerTickEndEvent event) {
-        if (!tickStartRan) return;
-        tickStartRan = false;
-
+    public void onTickEnd(TickEndEvent event) {
         long currentTick = TPSUtils.currentRealTick.get() - 1;
         List<SimulatorAction> actionsToRun = tickEndActions.remove(currentTick);
         if (actionsToRun == null) return;

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/gui/SimulatorObserverGui.java

@@ -150,13 +150,11 @@ public class SimulatorObserverGui extends SimulatorScrollGui<ObserverPhase> {
         Consumer<Integer> setter = observerPhase::setTickOffset;
         return new SWItem[] {
                 new SWItem(SWItem.getDye(getter.get() < max ? 10 : 8), "§e+1", Arrays.asList("§7Shift§8:§e +5"), false, clickType -> {
-                    if (clickType == ClickType.DOUBLE_CLICK) return;
                     setter.accept(Math.min(max, getter.get() + (clickType.isShiftClick() ? 5 : 1)));
                     SimulatorWatcher.update(simulator);
                 }).setCustomModelData(CMDs.Simulator.INCREMENT_OR_DISABLED),
                 observer,
                 new SWItem(SWItem.getDye(getter.get() > min ? 1 : 8), "§e-1", Arrays.asList("§7Shift§8:§e -5"), false, clickType -> {
-                    if (clickType == ClickType.DOUBLE_CLICK) return;
                     setter.accept(Math.max(min, getter.get() - (clickType.isShiftClick() ? 5 : 1)));
                     SimulatorWatcher.update(simulator);
                 }).setCustomModelData(CMDs.Simulator.DECREMENT_OR_DISABLED),

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/gui/SimulatorObserverPhaseSettingsGui.java

@@ -32,7 +32,6 @@ import de.steamwar.inventory.SWItem;
 import org.bukkit.Material;
 import org.bukkit.block.BlockFace;
 import org.bukkit.entity.Player;
-import org.bukkit.event.inventory.ClickType;
 
 import java.util.Arrays;
 
@@ -98,7 +97,6 @@ public class SimulatorObserverPhaseSettingsGui extends SimulatorBaseGui {
         //Tick Offset
         int offset = observer.getTickOffset();
         inventory.setItem(10, new SWItem(SWItem.getDye(offset < max ? 10 : 8), "§e+1", Arrays.asList("§7Shift§8: §e+5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             observer.setTickOffset(Math.min(max, offset + (clickType.isShiftClick() ? 5 : 1)));
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.INCREMENT_OR_DISABLED));
@@ -115,7 +113,6 @@ public class SimulatorObserverPhaseSettingsGui extends SimulatorBaseGui {
         inventory.setItem(19, offsetItem);
 
         inventory.setItem(28, new SWItem(SWItem.getDye(offset > min ? 1 : 8), "§e-1", Arrays.asList("§7Shift§8: §e-5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             observer.setTickOffset(Math.max(min, offset - (clickType.isShiftClick() ? 5 : 1)));
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.DECREMENT_OR_DISABLED));
@@ -123,7 +120,6 @@ public class SimulatorObserverPhaseSettingsGui extends SimulatorBaseGui {
         //Order
         int order = observer.getOrder();
         inventory.setItem(13, new SWItem(SWItem.getDye(order < SimulatorPhase.ORDER_LIMIT ? 10 : 8), "§e+1", Arrays.asList("§7Shift§8: §e+5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             observer.setOrder(Math.min(SimulatorPhase.ORDER_LIMIT, order + (clickType.isShiftClick() ? 5 : 1)));
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.INCREMENT_OR_DISABLED));
@@ -142,7 +138,6 @@ public class SimulatorObserverPhaseSettingsGui extends SimulatorBaseGui {
         inventory.setItem(22, orderItem);
 
         inventory.setItem(31, new SWItem(SWItem.getDye(order > -SimulatorPhase.ORDER_LIMIT ? 1 : 8), "§e-1", Arrays.asList("§7Shift§8: §e-5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             observer.setOrder(Math.max(-SimulatorPhase.ORDER_LIMIT, order - (clickType.isShiftClick() ? 5 : 1)));
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.DECREMENT_OR_DISABLED));

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/gui/SimulatorObserverSettingsGui.java

@@ -28,7 +28,6 @@ import de.steamwar.data.CMDs;
 import de.steamwar.inventory.SWItem;
 import org.bukkit.Material;
 import org.bukkit.entity.Player;
-import org.bukkit.event.inventory.ClickType;
 
 import java.util.Arrays;
 
@@ -68,7 +67,6 @@ public class SimulatorObserverSettingsGui extends SimulatorBaseGui {
         // Base Tick
         int baseTicks = observer.getBaseTick();
         inventory.setItem(9, new SWItem(SWItem.getDye(10), "§e+1", Arrays.asList("§7Shift§8: §e+5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             observer.changeBaseTicks(clickType.isShiftClick() ? 5 : 1);
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.INCREMENT_OR_DISABLED));
@@ -83,7 +81,6 @@ public class SimulatorObserverSettingsGui extends SimulatorBaseGui {
         baseTick.getItemStack().setAmount(Math.max(1, Math.min(baseTicks, 64)));
         inventory.setItem(18, baseTick);
         inventory.setItem(27, new SWItem(SWItem.getDye(baseTicks > 0 ? 1 : 8), "§e-1", Arrays.asList("§7Shift§8: §e-5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             if (baseTicks - (clickType.isShiftClick() ? 5 : 1) < 0) {
                 observer.changeBaseTicks(-baseTicks);
             } else {
@@ -94,7 +91,6 @@ public class SimulatorObserverSettingsGui extends SimulatorBaseGui {
 
         //Pos X
         inventory.setItem(15,  new SWItem(SWItem.getDye(10), "§e+1", Arrays.asList("§7Shift§8: §e+5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             observer.move(clickType.isShiftClick() ? 5 : 1, 0, 0);
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.INCREMENT_OR_DISABLED));
@@ -106,14 +102,12 @@ public class SimulatorObserverSettingsGui extends SimulatorBaseGui {
             }, this).open();
         }));
         inventory.setItem(33, new SWItem(SWItem.getDye(1), "§e-1", Arrays.asList("§7Shift§8: §e-5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             observer.move(clickType.isShiftClick() ? -5 : -1, 0, 0);
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.DECREMENT_OR_DISABLED));
 
         //Pos Y
         inventory.setItem(16, new SWItem(SWItem.getDye(10), "§e+1", Arrays.asList("§7Shift§8: §e+5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             observer.move(0, clickType.isShiftClick() ? 5 : 1, 0);
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.ENABLED_OR_DISABLED));
@@ -125,14 +119,12 @@ public class SimulatorObserverSettingsGui extends SimulatorBaseGui {
             }, this).open();
         }));
         inventory.setItem(34, new SWItem(SWItem.getDye(1), "§e-1", Arrays.asList("§7Shift§8: §e-5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             observer.move(0, clickType.isShiftClick() ? -5 : -1, 0);
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.DECREMENT_OR_DISABLED));
 
         //Pos Z
         inventory.setItem(17, new SWItem(SWItem.getDye(10), "§e+1", Arrays.asList("§7Shift§8: §e+5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             observer.move(0, 0, clickType.isShiftClick() ? 5 : 1);
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.ENABLED_OR_DISABLED));
@@ -144,7 +136,6 @@ public class SimulatorObserverSettingsGui extends SimulatorBaseGui {
             }, this).open();
         }));
         inventory.setItem(35, new SWItem(SWItem.getDye(1), "§e-1", Arrays.asList("§7Shift§8: §e-5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             observer.move(0, 0, clickType.isShiftClick() ? -5 : -1);
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.DECREMENT_OR_DISABLED));

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/gui/SimulatorRedstoneGui.java

@@ -165,13 +165,11 @@ public class SimulatorRedstoneGui extends SimulatorScrollGui<SimulatorRedstoneGu
         Consumer<Integer> setter = redstoneSubPhase.place ? redstoneSubPhase.phase::setTickOffset : redstoneSubPhase.phase::setLifetime;
         return new SWItem[] {
                 new SWItem(SWItem.getDye(getter.get() < max ? 10 : 8), "§e+1", Arrays.asList("§7Shift§8:§e +5"), false, clickType -> {
-                    if (clickType == ClickType.DOUBLE_CLICK) return;
                     setter.accept(Math.min(max, getter.get() + (clickType.isShiftClick() ? 5 : 1)));
                     SimulatorWatcher.update(simulator);
                 }).setCustomModelData(CMDs.Simulator.INCREMENT_OR_DISABLED),
                 redstone,
                 new SWItem(SWItem.getDye(getter.get() > min ? 1 : 8), "§e-1", Arrays.asList("§7Shift§8:§e -5"), false, clickType -> {
-                    if (clickType == ClickType.DOUBLE_CLICK) return;
                     setter.accept(Math.max(min, getter.get() - (clickType.isShiftClick() ? 5 : 1)));
                     SimulatorWatcher.update(simulator);
                 }).setCustomModelData(CMDs.Simulator.DECREMENT_OR_DISABLED),

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/gui/SimulatorRedstonePhaseSettingsGui.java

@@ -31,7 +31,6 @@ import de.steamwar.data.CMDs;
 import de.steamwar.inventory.SWItem;
 import org.bukkit.Material;
 import org.bukkit.entity.Player;
-import org.bukkit.event.inventory.ClickType;
 
 import java.util.Arrays;
 
@@ -99,7 +98,6 @@ public class SimulatorRedstonePhaseSettingsGui extends SimulatorBaseGui {
         //Tick Offset
         int offset = redstone.getTickOffset();
         inventory.setItem(10, new SWItem(SWItem.getDye(offset < maxOffset ? 10 : 8), "§e+1", Arrays.asList("§7Shift§8: §e+5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             redstone.setTickOffset(Math.min(maxOffset, offset + (clickType.isShiftClick() ? 5 : 1)));
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.INCREMENT_OR_DISABLED));
@@ -116,7 +114,6 @@ public class SimulatorRedstonePhaseSettingsGui extends SimulatorBaseGui {
         inventory.setItem(19, offsetItem);
 
         inventory.setItem(28, new SWItem(SWItem.getDye(offset > min ? 1 : 8), "§e-1", Arrays.asList("§7Shift§8: §e-5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             redstone.setTickOffset(Math.max(min, offset - (clickType.isShiftClick() ? 5 : 1)));
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.DECREMENT_OR_DISABLED));
@@ -124,7 +121,6 @@ public class SimulatorRedstonePhaseSettingsGui extends SimulatorBaseGui {
         //Lifetime
         int lifetime = redstone.getLifetime();
         inventory.setItem(11, new SWItem(SWItem.getDye(lifetime < maxLifetime ? 10 : 8), "§e+1", Arrays.asList("§7Shift§8: §e+5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             redstone.setLifetime(Math.min(maxLifetime, lifetime + (clickType.isShiftClick() ? 5 : 1)));
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.INCREMENT_OR_DISABLED));
@@ -141,7 +137,6 @@ public class SimulatorRedstonePhaseSettingsGui extends SimulatorBaseGui {
         inventory.setItem(20, lifetimeItem);
 
         inventory.setItem(29, new SWItem(SWItem.getDye(lifetime > 0 ? 1 : 8), "§e-1", Arrays.asList("§7Shift§8: §e-5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             redstone.setLifetime(Math.max(0, lifetime - (clickType.isShiftClick() ? 5 : 1)));
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.DECREMENT_OR_DISABLED));
@@ -149,7 +144,6 @@ public class SimulatorRedstonePhaseSettingsGui extends SimulatorBaseGui {
         //Order
         int order = redstone.getOrder();
         inventory.setItem(13, new SWItem(SWItem.getDye(order < SimulatorPhase.ORDER_LIMIT ? 10 : 8), "§e+1", Arrays.asList("§7Shift§8: §e+5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             redstone.setOrder(Math.min(SimulatorPhase.ORDER_LIMIT, order + (clickType.isShiftClick() ? 5 : 1)));
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.INCREMENT_OR_DISABLED));
@@ -168,7 +162,6 @@ public class SimulatorRedstonePhaseSettingsGui extends SimulatorBaseGui {
         inventory.setItem(22, orderItem);
 
         inventory.setItem(31, new SWItem(SWItem.getDye(order > -SimulatorPhase.ORDER_LIMIT ? 1 : 8), "§e-1", Arrays.asList("§7Shift§8: §e-5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             redstone.setOrder(Math.max(-SimulatorPhase.ORDER_LIMIT, order - (clickType.isShiftClick() ? 5 : 1)));
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.DECREMENT_OR_DISABLED));

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/gui/SimulatorRedstoneSettingsGui.java

@@ -28,7 +28,6 @@ import de.steamwar.data.CMDs;
 import de.steamwar.inventory.SWItem;
 import org.bukkit.Material;
 import org.bukkit.entity.Player;
-import org.bukkit.event.inventory.ClickType;
 
 import java.util.Arrays;
 
@@ -67,7 +66,6 @@ public class SimulatorRedstoneSettingsGui extends SimulatorBaseGui {
         // Base Tick
         int baseTicks = redstone.getBaseTick();
         inventory.setItem(9, new SWItem(SWItem.getDye(10), "§e+1", Arrays.asList("§7Shift§8: §e+5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             redstone.changeBaseTicks(clickType.isShiftClick() ? 5 : 1);
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.INCREMENT_OR_DISABLED));
@@ -82,7 +80,6 @@ public class SimulatorRedstoneSettingsGui extends SimulatorBaseGui {
         baseTick.getItemStack().setAmount(Math.max(1, Math.min(baseTicks, 64)));
         inventory.setItem(18, baseTick);
         inventory.setItem(27, new SWItem(SWItem.getDye(baseTicks > 0 ? 1 : 8), "§e-1", Arrays.asList("§7Shift§8: §e-5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             if (baseTicks - (clickType.isShiftClick() ? 5 : 1) < 0) {
                 redstone.changeBaseTicks(-baseTicks);
             } else {
@@ -93,7 +90,6 @@ public class SimulatorRedstoneSettingsGui extends SimulatorBaseGui {
 
         //Pos X
         inventory.setItem(15, new SWItem(SWItem.getDye(10), "§e+1", Arrays.asList("§7Shift§8: §e+5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             redstone.move(clickType.isShiftClick() ? 5 : 1, 0, 0);
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.INCREMENT_OR_DISABLED));
@@ -105,14 +101,12 @@ public class SimulatorRedstoneSettingsGui extends SimulatorBaseGui {
             }, this).open();
         }));
         inventory.setItem(33, new SWItem(SWItem.getDye(1), "§e-1", Arrays.asList("§7Shift§8: §e-5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             redstone.move(clickType.isShiftClick() ? -5 : -1, 0, 0);
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.DECREMENT_OR_DISABLED));
 
         //Pos Y
         inventory.setItem(16, new SWItem(SWItem.getDye(10), "§e+1", Arrays.asList("§7Shift§8: §e+5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             redstone.move(0, clickType.isShiftClick() ? 5 : 1, 0);
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.INCREMENT_OR_DISABLED));
@@ -124,14 +118,12 @@ public class SimulatorRedstoneSettingsGui extends SimulatorBaseGui {
             }, this).open();
         }));
         inventory.setItem(34, new SWItem(SWItem.getDye(1), "§e-1", Arrays.asList("§7Shift§8: §e-5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             redstone.move(0, clickType.isShiftClick() ? -5 : -1, 0);
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.DECREMENT_OR_DISABLED));
 
         //Pos Z
         inventory.setItem(17, new SWItem(SWItem.getDye(10), "§e+1", Arrays.asList("§7Shift§8: §e+5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             redstone.move(0, 0, clickType.isShiftClick() ? 5 : 1);
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.INCREMENT_OR_DISABLED));
@@ -143,7 +135,6 @@ public class SimulatorRedstoneSettingsGui extends SimulatorBaseGui {
             }, this).open();
         }));
         inventory.setItem(35, new SWItem(SWItem.getDye(1), "§e-1", Arrays.asList("§7Shift§8: §e-5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             redstone.move(0, 0, clickType.isShiftClick() ? -5 : -1);
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.DECREMENT_OR_DISABLED));

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/gui/SimulatorTNTGui.java

@@ -138,13 +138,11 @@ public class SimulatorTNTGui extends SimulatorScrollGui<TNTPhase> {
 
         return new SWItem[]{
                 new SWItem(SWItem.getDye(10), "§e+1", Arrays.asList("§7Shift§8:§e +5"), false, clickType -> {
-                    if (clickType == ClickType.DOUBLE_CLICK) return;
                     tntSetting.setCount(tntSetting.getCount() + (clickType.isShiftClick() ? 5 : 1));
                     SimulatorWatcher.update(simulator);
                 }).setCustomModelData(CMDs.Simulator.INCREMENT_OR_DISABLED),
                 tnt,
                 new SWItem(SWItem.getDye(tntSetting.getCount() > 1 ? 1 : 8), "§e-1", Arrays.asList("§7Shift§8:§e -5"), false, clickType -> {
-                    if (clickType == ClickType.DOUBLE_CLICK) return;
                     tntSetting.setCount(Math.max(1, tntSetting.getCount() - (clickType.isShiftClick() ? 5 : 1)));
                     SimulatorWatcher.update(simulator);
                 }).setCustomModelData(CMDs.Simulator.DECREMENT_OR_DISABLED),

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/gui/SimulatorTNTPhaseSettingsGui.java

@@ -31,7 +31,6 @@ import de.steamwar.data.CMDs;
 import de.steamwar.inventory.SWItem;
 import org.bukkit.Material;
 import org.bukkit.entity.Player;
-import org.bukkit.event.inventory.ClickType;
 
 import java.util.Arrays;
 
@@ -79,7 +78,6 @@ public class SimulatorTNTPhaseSettingsGui extends SimulatorBaseGui {
         //Count
         int count = tnt.getCount();
         inventory.setItem(9, new SWItem(SWItem.getDye(10), "§e+1", Arrays.asList("§7Shift§8: §e+5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             tnt.setCount(count + (clickType.isShiftClick() ? 5 : 1));
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.INCREMENT_OR_DISABLED));
@@ -96,7 +94,6 @@ public class SimulatorTNTPhaseSettingsGui extends SimulatorBaseGui {
         inventory.setItem(18, countItem);
 
         inventory.setItem(27, new SWItem(SWItem.getDye(count > 1 ? 1 : 8), "§e-1", Arrays.asList("§7Shift§8: §e-5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             tnt.setCount(Math.max(1, count - (clickType.isShiftClick() ? 5 : 1)));
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.DECREMENT_OR_DISABLED));
@@ -104,7 +101,6 @@ public class SimulatorTNTPhaseSettingsGui extends SimulatorBaseGui {
         //Tick Offset
         int offset = tnt.getTickOffset();
         inventory.setItem(10, new SWItem(SWItem.getDye(10), "§e+1", Arrays.asList("§7Shift§8: §e+5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             tnt.setTickOffset(offset + (clickType.isShiftClick() ? 5 : 1));
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.INCREMENT_OR_DISABLED));
@@ -121,7 +117,6 @@ public class SimulatorTNTPhaseSettingsGui extends SimulatorBaseGui {
         inventory.setItem(19, offsetItem);
 
         inventory.setItem(28, new SWItem(SWItem.getDye(offset > 0 ? 1 : 8), "§e-1", Arrays.asList("§7Shift§8: §e-5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             tnt.setTickOffset(Math.max(0, offset - (clickType.isShiftClick() ? 5 : 1)));
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.DECREMENT_OR_DISABLED));
@@ -129,7 +124,6 @@ public class SimulatorTNTPhaseSettingsGui extends SimulatorBaseGui {
         //Lifetime
         int lifetime = tnt.getLifetime();
         inventory.setItem(11, new SWItem(SWItem.getDye(10), "§e+1", Arrays.asList("§7Shift§8: §e+5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             tnt.setLifetime(lifetime + (clickType.isShiftClick() ? 5 : 1));
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.INCREMENT_OR_DISABLED));
@@ -146,7 +140,6 @@ public class SimulatorTNTPhaseSettingsGui extends SimulatorBaseGui {
         inventory.setItem(20, lifetimeItem);
 
         inventory.setItem(29, new SWItem(SWItem.getDye(lifetime > 0 ? 1 : 8), "§e-1", Arrays.asList("§7Shift§8: §e-5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             tnt.setLifetime(Math.max(1, lifetime - (clickType.isShiftClick() ? 5 : 1)));
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.DECREMENT_OR_DISABLED));
@@ -154,7 +147,6 @@ public class SimulatorTNTPhaseSettingsGui extends SimulatorBaseGui {
         //Order
         int order = tnt.getOrder();
         inventory.setItem(13, new SWItem(SWItem.getDye(order < SimulatorPhase.ORDER_LIMIT ? 10 : 8), "§e+1", Arrays.asList("§7Shift§8: §e+5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             tnt.setOrder(Math.min(SimulatorPhase.ORDER_LIMIT, order + (clickType.isShiftClick() ? 5 : 1)));
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.INCREMENT_OR_DISABLED));
@@ -173,35 +165,30 @@ public class SimulatorTNTPhaseSettingsGui extends SimulatorBaseGui {
         inventory.setItem(22, orderItem);
 
         inventory.setItem(31, new SWItem(SWItem.getDye(order > -SimulatorPhase.ORDER_LIMIT ? 1 : 8), "§e-1", Arrays.asList("§7Shift§8: §e-5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             tnt.setOrder(Math.max(-SimulatorPhase.ORDER_LIMIT, order - (clickType.isShiftClick() ? 5 : 1)));
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.DECREMENT_OR_DISABLED));
 
         //Jump
         SWItem jumpX = new SWItem(tnt.isXJump() ? Material.LIME_WOOL : Material.RED_WOOL, "§7TNT §eJump X§8: " + (tnt.isZJump() ? "§aon" : "§coff"), clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             tnt.setXJump(!tnt.isXJump());
             SimulatorWatcher.update(simulator);
         });
         inventory.setItem(33, jumpX);
 
         SWItem jumpY = new SWItem(tnt.isYJump() ? Material.LIME_WOOL : Material.RED_WOOL, "§7TNT §eJump Y§8: " + (tnt.isYJump() ? "§aon" : "§coff"), clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             tnt.setYJump(!tnt.isYJump());
             SimulatorWatcher.update(simulator);
         });
         inventory.setItem(16, jumpY);
 
         SWItem jumpZ = new SWItem(tnt.isZJump() ? Material.LIME_WOOL : Material.RED_WOOL, "§7TNT §eJump Z§8: " + (tnt.isZJump() ? "§aon" : "§coff"), clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             tnt.setZJump(!tnt.isZJump());
             SimulatorWatcher.update(simulator);
         });
         inventory.setItem(35, jumpZ);
 
         SWItem jumpAll = new SWItem(Material.TNT, "§7TNT §eJump §8: " + (tnt.hasJump() ? "§aon" : "§coff"), clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             tnt.setJump(!tnt.hasJump());
             SimulatorWatcher.update(simulator);
         });

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/gui/SimulatorTNTSettingsGui.java

@@ -28,7 +28,6 @@ import de.steamwar.data.CMDs;
 import de.steamwar.inventory.SWItem;
 import org.bukkit.Material;
 import org.bukkit.entity.Player;
-import org.bukkit.event.inventory.ClickType;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -76,7 +75,6 @@ public class SimulatorTNTSettingsGui extends SimulatorBaseGui {
         // Base Tick
         int baseTicks = tnt.getBaseTick();
         inventory.setItem(9, new SWItem(SWItem.getDye(10), "§e+1", Arrays.asList("§7Shift§8: §e+5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             tnt.changeBaseTicks(clickType.isShiftClick() ? 5 : 1);
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.INCREMENT_OR_DISABLED));
@@ -91,7 +89,6 @@ public class SimulatorTNTSettingsGui extends SimulatorBaseGui {
         baseTick.getItemStack().setAmount(Math.max(1, Math.min(baseTicks, 64)));
         inventory.setItem(18, baseTick);
         inventory.setItem(27, new SWItem(SWItem.getDye(baseTicks > 0 ? 1 : 8), "§e-1", Arrays.asList("§7Shift§8: §e-5"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             if (baseTicks - (clickType.isShiftClick() ? 5 : 1) < 0) {
                 tnt.changeBaseTicks(-baseTicks);
             } else {
@@ -139,7 +136,6 @@ public class SimulatorTNTSettingsGui extends SimulatorBaseGui {
 
         // Pos X
         inventory.setItem(15, new SWItem(SWItem.getDye(10), "§e+1", Arrays.asList("§7Shift§8: §e+0.0625"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             tnt.move(clickType.isShiftClick() ? 0.0625 : 1, 0, 0);
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.INCREMENT_OR_DISABLED));
@@ -151,14 +147,12 @@ public class SimulatorTNTSettingsGui extends SimulatorBaseGui {
             }, this).open();
         }));
         inventory.setItem(33, new SWItem(SWItem.getDye(1), "§e-1", Arrays.asList("§7Shift§8: §e-0.0625"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             tnt.move(clickType.isShiftClick() ? -0.0625 : -1, 0, 0);
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.DECREMENT_OR_DISABLED));
 
         // Pos Y
         inventory.setItem(16, new SWItem(SWItem.getDye(10), "§e+1", Arrays.asList("§7Shift§8: §e+0.0625"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             tnt.move(0, clickType.isShiftClick() ? 0.0625 : 1, 0);
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.INCREMENT_OR_DISABLED));
@@ -170,14 +164,12 @@ public class SimulatorTNTSettingsGui extends SimulatorBaseGui {
             }, this).open();
         }));
         inventory.setItem(34, new SWItem(SWItem.getDye(1), "§e-1", Arrays.asList("§7Shift§8: §e-0.0625"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             tnt.move(0, clickType.isShiftClick() ? -0.0625 : -1, 0);
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.DECREMENT_OR_DISABLED));
 
         // Pos Z
         inventory.setItem(17, new SWItem(SWItem.getDye(10), "§e+1", Arrays.asList("§7Shift§8: §e+0.0625"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             tnt.move(0, 0, clickType.isShiftClick() ? 0.0625 : 1);
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.INCREMENT_OR_DISABLED));
@@ -189,7 +181,6 @@ public class SimulatorTNTSettingsGui extends SimulatorBaseGui {
             }, this).open();
         }));
         inventory.setItem(35, new SWItem(SWItem.getDye(1), "§e-1", Arrays.asList("§7Shift§8: §e-0.0625"), false, clickType -> {
-            if (clickType == ClickType.DOUBLE_CLICK) return;
             tnt.move(0, 0, clickType.isShiftClick() ? -0.0625 : -1);
             SimulatorWatcher.update(simulator);
         }).setCustomModelData(CMDs.Simulator.DECREMENT_OR_DISABLED));

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/slaves/laufbau/BlockBoundingBox.java

@@ -101,7 +101,7 @@ public class BlockBoundingBox {
         addPixel(Material.END_STONE.createBlockData(), 0, 0, 0, 16, 16, 16, null);
 
         addPixel(NMSWrapper.impl.pathMaterial().createBlockData(), 0, 0, 0, 16, 15, 16, createItem("LAUFBAU_BLOCK_GRASS_PATH", NMSWrapper.impl.pathMaterial()));
-        addPixel(Material.MUD.createBlockData(), 0, 0, 0, 16, 14, 16, createItem("LAUFBAU_BLOCK_SOUL_SAND", Material.SOUL_SAND));
+        addPixel(Material.SOUL_SAND.createBlockData(), 0, 0, 0, 16, 14, 16, createItem("LAUFBAU_BLOCK_SOUL_SAND", Material.SOUL_SAND));
 
         Cocoa cocoaNorth = (Cocoa) Material.COCOA.createBlockData();
         cocoaNorth.setAge(2);

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/slaves/laufbau/LaufbauCommand.java

@@ -25,14 +25,12 @@ import de.steamwar.bausystem.shared.Pair;
 import de.steamwar.bausystem.utils.WorldEditUtils;
 import de.steamwar.command.SWCommand;
 import de.steamwar.linkage.Linked;
-import de.steamwar.linkage.MinVersion;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.entity.Player;
 import org.bukkit.scheduler.BukkitRunnable;
 
 @Linked
-@MinVersion(19)
 public class LaufbauCommand extends SWCommand {
 
     public LaufbauCommand() {

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/smartplace/SmartPlaceListener.java

@@ -20,13 +20,13 @@
 package de.steamwar.bausystem.features.smartplace;
 
 import com.comphenix.tinyprotocol.TinyProtocol;
+import de.steamwar.Reflection;
 import de.steamwar.bausystem.BauSystem;
 import de.steamwar.bausystem.Permission;
 import de.steamwar.bausystem.configplayer.Config;
 import de.steamwar.core.Core;
 import de.steamwar.inventory.SWItem;
 import de.steamwar.linkage.Linked;
-import net.minecraft.network.protocol.game.ServerboundUseItemOnPacket;
 import org.bukkit.*;
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
@@ -83,11 +83,13 @@ public class SmartPlaceListener implements Listener {
         IGNORED.remove(Material.BARRIER);
     }
 
+    private static final Class<?> useItem = Reflection.getClass("net.minecraft.network.protocol.game.ServerboundUseItemOnPacket");
+
     private static final Set<Player> SMART_PLACING = new HashSet<>();
     private static final Set<Player> WAS_EXECUTED = new HashSet<>();
 
     public SmartPlaceListener() {
-        TinyProtocol.instance.addFilter(ServerboundUseItemOnPacket.class, (player, packet) -> {
+        TinyProtocol.instance.addFilter(useItem, (player, packet) -> {
             if(!Permission.BUILD.hasPermission(player)) return packet;
             if (!Config.getInstance().get(player).getPlainValueOrDefault("smartPlace", false)) return packet;
             RayTraceResult rayTraceResult = player.rayTraceBlocks(6);

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/tracer/TraceManager.java

@@ -45,6 +45,8 @@ public class TraceManager implements Listener {
         instance = this;
     }
 
+
+
     public void init() {
         if (!tracesFolder.exists())
             tracesFolder.mkdir();

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/tracer/rendering/ViewFlag.java

@@ -135,7 +135,7 @@ public abstract class ViewFlag {
                 }
 
                 Location secoundLocation;
-                if (Math.abs(previousVelocity.getX()) >= Math.abs(previousVelocity.getZ())) {
+                if (previousVelocity.getX() >= previousVelocity.getZ()) {
                     secoundLocation = previous.getLocation().clone().add(delta.getX(), delta.getY(), 0);
                 } else {
                     secoundLocation = previous.getLocation().clone().add(0, delta.getY(), delta.getZ());
@@ -198,16 +198,6 @@ public abstract class ViewFlag {
         }
     };
 
-    public static ViewFlag HIGHLIGHT = new ViewFlag(true, false, "highlight", "h") {
-        @Override
-        public void modify(REntityServer server, List<TraceEntity> entities) {
-            for (TraceEntity entity : entities) {
-                entity.setGlowing(true);
-            }
-        }
-
-    };
-
     /**
      * Name of the flag
      */

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/util/MaterialCommand.java

@@ -39,7 +39,10 @@ import lombok.Setter;
 import org.bukkit.Material;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.event.player.PlayerQuitEvent;
 import org.bukkit.inventory.ItemStack;
 
 import java.util.*;

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/util/NoClipCommand.java

@@ -21,6 +21,7 @@ package de.steamwar.bausystem.features.util;
 
 import com.comphenix.tinyprotocol.TinyProtocol;
 import com.mojang.authlib.GameProfile;
+import de.steamwar.Reflection;
 import de.steamwar.bausystem.BauSystem;
 import de.steamwar.bausystem.features.tpslimit.TPSUtils;
 import de.steamwar.bausystem.utils.BauMemberUpdateEvent;
@@ -29,7 +30,6 @@ import de.steamwar.command.SWCommand;
 import de.steamwar.core.ProtocolWrapper;
 import de.steamwar.core.SWPlayer;
 import de.steamwar.linkage.Linked;
-import net.minecraft.network.protocol.game.*;
 import org.bukkit.Bukkit;
 import org.bukkit.GameMode;
 import org.bukkit.entity.Player;
@@ -45,6 +45,16 @@ import java.util.function.BiFunction;
 @Linked
 public class NoClipCommand extends SWCommand implements Listener {
 
+    public static final Class<?> gameStateChange = Reflection.getClass("net.minecraft.network.protocol.game.ClientboundGameEventPacket");
+    private static final Reflection.Field<Float> floatFieldAccessor = Reflection.getField(gameStateChange, float.class, 0);
+
+    private static final Class<?> position = Reflection.getClass("net.minecraft.network.protocol.game.ServerboundMovePlayerPacket$Pos");
+    private static final Class<?> positionLook = Reflection.getClass("net.minecraft.network.protocol.game.ServerboundMovePlayerPacket$PosRot");
+    private static final Class<?> useItem = Reflection.getClass("net.minecraft.network.protocol.game.ServerboundUseItemOnPacket");
+    private static final Class<?> blockDig = Reflection.getClass("net.minecraft.network.protocol.game.ServerboundPlayerActionPacket");
+    private static final Class<?> windowClick = Reflection.getClass("net.minecraft.network.protocol.game.ServerboundContainerClickPacket");
+    private static final Class<?> setSlotStack = Reflection.getClass("net.minecraft.network.protocol.game.ServerboundSetCreativeModeSlotPacket");
+
     public static class NoClipData implements SWPlayer.Component {
         private long lastTick = -1;
 
@@ -65,8 +75,8 @@ public class NoClipCommand extends SWCommand implements Listener {
             noClipData.lastTick = TPSUtils.currentTick.get();
             return o;
         };
-        TinyProtocol.instance.addFilter(ServerboundMovePlayerPacket.Pos.class, first);
-        TinyProtocol.instance.addFilter(ServerboundMovePlayerPacket.PosRot.class, first);
+        TinyProtocol.instance.addFilter(position, first);
+        TinyProtocol.instance.addFilter(positionLook, first);
 
         BiFunction<Player, Object, Object> second = (player, o) -> {
             NoClipData noClipData = SWPlayer.of(player).getComponent(NoClipData.class).orElse(null);
@@ -75,9 +85,9 @@ public class NoClipCommand extends SWCommand implements Listener {
             noClipData.lastTick = TPSUtils.currentTick.get();
             return o;
         };
-        TinyProtocol.instance.addFilter(ServerboundUseItemOnPacket.class, second);
-        TinyProtocol.instance.addFilter(ServerboundPlayerActionPacket.class, second);
-        TinyProtocol.instance.addFilter(ServerboundContainerClickPacket.class, second);
+        TinyProtocol.instance.addFilter(useItem, second);
+        TinyProtocol.instance.addFilter(blockDig, second);
+        TinyProtocol.instance.addFilter(windowClick, second);
 
         BiFunction<Player, Object, Object> third = (player, o) -> {
             if (SWPlayer.of(player).hasComponent(NoClipData.class)) {
@@ -85,7 +95,7 @@ public class NoClipCommand extends SWCommand implements Listener {
             }
             return o;
         };
-        TinyProtocol.instance.addFilter(ServerboundSetCreativeModeSlotPacket.class, third);
+        TinyProtocol.instance.addFilter(setSlotStack, third);
     }
 
     @Register(help = true)
@@ -97,9 +107,13 @@ public class NoClipCommand extends SWCommand implements Listener {
             player.setGameMode(GameMode.SPECTATOR);
             NMSWrapper.impl.setPlayerBuildAbilities(player);
 
+            Object gameStateChangeObject = Reflection.newInstance(gameStateChange);
+            NMSWrapper.impl.setGameStateChangeReason(gameStateChangeObject);
+            floatFieldAccessor.set(gameStateChangeObject, 1F);
+
             swPlayer.setComponent(new NoClipData());
             BauSystem.MESSAGE.send("OTHER_NOCLIP_SLOT_INFO", player);
-            TinyProtocol.instance.sendPacket(player, new ClientboundGameEventPacket(ClientboundGameEventPacket.CHANGE_GAME_MODE, 1F));
+            TinyProtocol.instance.sendPacket(player, gameStateChangeObject);
             pseudoGameMode(player, GameMode.SPECTATOR);
         }
     }

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/util/items/KillAllBauGuiItem.java

@@ -22,8 +22,8 @@ package de.steamwar.bausystem.features.util.items;
 import de.steamwar.bausystem.BauSystem;
 import de.steamwar.bausystem.Permission;
 import de.steamwar.bausystem.features.util.KillAllCommand;
-import de.steamwar.bausystem.features.util.RegionSelectionType;
 import de.steamwar.bausystem.linkage.BauGuiItem;
+import de.steamwar.bausystem.features.util.RegionSelectionType;
 import de.steamwar.inventory.SWItem;
 import de.steamwar.linkage.Linked;
 import de.steamwar.linkage.LinkedInstance;

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/warp/Warp.java

@@ -22,6 +22,7 @@ package de.steamwar.bausystem.features.warp;
 import de.steamwar.bausystem.region.RegionSystem;
 import de.steamwar.bausystem.worlddata.WorldData;
 import lombok.Getter;
+import lombok.Setter;
 import org.bukkit.*;
 import org.bukkit.entity.Player;
 import org.bukkit.event.player.PlayerTeleportEvent;
@@ -35,14 +36,20 @@ public class Warp {
     private static Map<String, Warp> warpMap = new HashMap<>();
 
     public static void enable() {
-        Warp worldSpawn = new Warp("WorldSpawn");
-        worldSpawn.setLocation(RegionSystem.INSTANCE.getWorldSpawn());
+        Warp worldSpawn = new Warp("WorldSpawn") {
+            @Override
+            public Location getLocation() {
+                return RegionSystem.INSTANCE.getWorldSpawn();
+            }
+        };
         worldSpawn.setMat(Material.NETHER_STAR);
         warpMap.put("WorldSpawn", worldSpawn);
     }
 
     private String name;
+    @Setter
     private Location location;
+    @Setter
     private Material mat;
 
     private Warp(String name) {
@@ -91,21 +98,13 @@ public class Warp {
         return warpMap.get(name);
     }
 
-    public void setMat(Material mat) {
-        this.mat = mat;
-    }
-
-    public void setLocation(Location location) {
-        this.location = location;
-    }
-
     public void delete() {
         warpMap.remove(name);
         WorldData.getWarpData().remove(name);
     }
 
     public void teleport(Player player) {
-        player.teleport(location, PlayerTeleportEvent.TeleportCause.PLUGIN);
-        player.playSound(location, Sound.ENTITY_ENDERMAN_TELEPORT, SoundCategory.PLAYERS, 1, 1);
+        player.teleport(getLocation(), PlayerTeleportEvent.TeleportCause.PLUGIN);
+        player.playSound(getLocation(), Sound.ENTITY_ENDERMAN_TELEPORT, SoundCategory.PLAYERS, 1, 1);
     }
 }

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/world/AntiCursorReCentering.java

@@ -19,11 +19,11 @@
 
 package de.steamwar.bausystem.features.world;
 
+import de.steamwar.Reflection;
 import com.comphenix.tinyprotocol.TinyProtocol;
 import de.steamwar.bausystem.BauSystem;
 import de.steamwar.linkage.Linked;
 import de.steamwar.linkage.api.Enable;
-import net.minecraft.network.protocol.game.ClientboundContainerClosePacket;
 import org.bukkit.Bukkit;
 import org.bukkit.event.inventory.InventoryType;
 
@@ -32,7 +32,8 @@ public class AntiCursorReCentering implements Enable {
 
     @Override
     public void enable() {
-        TinyProtocol.instance.addFilter(ClientboundContainerClosePacket.class, (player, object) -> {
+        Class<?> closeWindow = Reflection.getClass("net.minecraft.network.protocol.game.ClientboundContainerClosePacket");
+        TinyProtocol.instance.addFilter(closeWindow, (player, object) -> {
             if (player.getOpenInventory().getTopInventory().getType() == InventoryType.CRAFTING) {
                 return object;
             }

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/world/BauScoreboard.java

@@ -121,8 +121,8 @@ public class BauScoreboard implements Listener {
                 Region region = Region.getRegion(player.getLocation());
                 if (region.getType().isGlobal()) return "§eSteam§8War";
                 String colorCode = "§e";
-                if (region.getRegionData().has(Flag.COLOR).isReadable()) {
-                    colorCode = "§" + region.getRegionData().get(Flag.COLOR).orElse(ColorMode.PINK).getColorCode();
+                if (region.getFlags().has(Flag.COLOR).isReadable()) {
+                    colorCode = "§" + region.getFlags().get(Flag.COLOR).getWithDefault().getColorCode();
                 }
                 return colorCode + "■ §eSteam§8War " + colorCode + "■"; // ■
             }

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/world/NoCreativeKnockback.java

@@ -19,17 +19,17 @@
 
 package de.steamwar.bausystem.features.world;
 
+import de.steamwar.Reflection;
 import com.comphenix.tinyprotocol.TinyProtocol;
 import de.steamwar.bausystem.utils.NMSWrapper;
 import de.steamwar.linkage.Linked;
-import net.minecraft.network.protocol.game.ClientboundExplodePacket;
 import org.bukkit.GameMode;
 
 @Linked
 public class NoCreativeKnockback {
 
     public NoCreativeKnockback() {
-        TinyProtocol.instance.addFilter(ClientboundExplodePacket.class, (player, o) -> {
+        TinyProtocol.instance.addFilter(Reflection.getClass("net.minecraft.network.protocol.game.ClientboundExplodePacket"), (player, o) -> {
             if (player.getGameMode() != GameMode.CREATIVE) return o;
             return NMSWrapper.impl.resetExplosionKnockback(o);
         });

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/world/SignEditFrom20.java

@@ -19,14 +19,13 @@
 
 package de.steamwar.bausystem.features.world;
 
+import de.steamwar.Reflection;
 import com.comphenix.tinyprotocol.TinyProtocol;
 import de.steamwar.bausystem.BauSystem;
 import de.steamwar.bausystem.Permission;
 import de.steamwar.bausystem.utils.PlaceItemUtils;
 import de.steamwar.linkage.Linked;
-import net.minecraft.network.protocol.game.ClientboundOpenSignEditorPacket;
-import net.minecraft.network.protocol.game.ServerboundSignUpdatePacket;
-import net.minecraft.server.level.ServerLevel;
+import de.steamwar.linkage.MinVersion;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.Material;
@@ -38,8 +37,6 @@ import org.bukkit.block.data.Directional;
 import org.bukkit.block.data.Rotatable;
 import org.bukkit.block.sign.Side;
 import org.bukkit.block.sign.SignSide;
-import org.bukkit.craftbukkit.CraftWorld;
-import org.bukkit.craftbukkit.block.CraftBlock;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
@@ -48,7 +45,24 @@ import org.bukkit.event.player.PlayerInteractEvent;
 import org.bukkit.util.Vector;
 
 @Linked
-public class SignEdit implements Listener {
+@MinVersion(20)
+public class SignEditFrom20 implements Listener {
+
+    private static final Class<?> blockPosition = Reflection.getClass("net.minecraft.core.BlockPos");
+    private static final Class<?> craftBlock = Reflection.getClass("org.bukkit.craftbukkit.block.CraftBlock");
+    private static final Class<?> craftWorld = Reflection.getClass("org.bukkit.craftbukkit.CraftWorld");
+    private static final Class<?> generatorAccess = Reflection.getClass("net.minecraft.world.level.LevelAccessor");
+    private static final Reflection.Method getPosition = Reflection.getTypedMethod(craftBlock, "getPosition", blockPosition);
+    private static final Reflection.Method getWorldHandle = Reflection.getTypedMethod(craftWorld, "getHandle", null);
+    private static final Reflection.Method at = Reflection.getTypedMethod(craftBlock, "at", craftBlock, generatorAccess, blockPosition);
+
+    private static final Class<?> openSign = Reflection.getClass("net.minecraft.network.protocol.game.ClientboundOpenSignEditorPacket");
+    private static final Reflection.Field<?> blockPositionFieldAccessor = Reflection.getField(openSign, blockPosition, 0);
+    private static final Reflection.Field<?> sideFieldAccessor = Reflection.getField(openSign, boolean.class, 0);
+
+    private static final Class<?> updateSign = Reflection.getClass("net.minecraft.network.protocol.game.ServerboundSignUpdatePacket");
+    private static final Reflection.Field<?> getBlockPositionFieldAccessor = Reflection.getField(updateSign, blockPosition, 0);
+    private static final Reflection.Field<String[]> stringFieldAccessor = Reflection.getField(updateSign, String[].class, 0);
 
     @EventHandler
     public void editSign(PlayerInteractEvent event) {
@@ -79,8 +93,10 @@ public class SignEdit implements Listener {
         sign.update(true);
 
         Bukkit.getScheduler().runTaskLater(BauSystem.getInstance(), () -> {
-            ClientboundOpenSignEditorPacket packet = new ClientboundOpenSignEditorPacket(((CraftBlock) block).getPosition(), side == Side.FRONT);
-            TinyProtocol.instance.sendPacket(player, packet);
+            Object openSignObject = Reflection.newInstance(openSign);
+            blockPositionFieldAccessor.set(openSignObject, getPosition.invoke(block));
+            sideFieldAccessor.set(openSignObject, side == Side.FRONT);
+            TinyProtocol.instance.sendPacket(player, openSignObject);
         }, 1);
 
     }
@@ -101,14 +117,14 @@ public class SignEdit implements Listener {
     }
 
     {
-        TinyProtocol.instance.addTypedFilter(ServerboundSignUpdatePacket.class, (player, o) -> {
+        TinyProtocol.instance.addFilter(updateSign, (player, o) -> {
             Bukkit.getScheduler().runTask(BauSystem.getInstance(), () -> {
-                ServerLevel serverLevel = ((CraftWorld) player.getWorld()).getHandle();
-                Block signLoc = CraftBlock.at(serverLevel, o.getPos());
+                String[] lines = stringFieldAccessor.get(o);
+
+                Block signLoc = (Block) at.invoke(null, getWorldHandle.invoke(player.getWorld()), getBlockPositionFieldAccessor.get(o));
                 if (!signLoc.getType().name().contains("SIGN"))
                     return;
 
-                String[] lines = o.getLines();
                 Sign sign = ((Sign) signLoc.getState());
                 SignSide signSide = sign.getSide(signSide(player, signLoc));
                 for (int i = 0; i < lines.length; i++) {

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/world/SignEditUntil19.java

@@ -0,0 +1,105 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.features.world;
+
+import de.steamwar.Reflection;
+import com.comphenix.tinyprotocol.TinyProtocol;
+import de.steamwar.bausystem.BauSystem;
+import de.steamwar.bausystem.Permission;
+import de.steamwar.linkage.Linked;
+import de.steamwar.linkage.MaxVersion;
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.Material;
+import org.bukkit.block.Block;
+import org.bukkit.block.Sign;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.block.Action;
+import org.bukkit.event.player.PlayerInteractEvent;
+
+@Linked
+@MaxVersion(19)
+public class SignEditUntil19 implements Listener {
+
+    private static final Class<?> blockPosition = Reflection.getClass("net.minecraft.core.BlockPos");
+    private static final Class<?> craftBlock = Reflection.getClass("org.bukkit.craftbukkit.block.CraftBlock");
+    private static final Class<?> craftWorld = Reflection.getClass("org.bukkit.craftbukkit.CraftWorld");
+    private static final Class<?> generatorAccess = Reflection.getClass("net.minecraft.world.level.LevelAccessor");
+    private static final Reflection.Method getPosition = Reflection.getTypedMethod(craftBlock, "getPosition", blockPosition);
+    private static final Reflection.Method getWorldHandle = Reflection.getTypedMethod(craftWorld, "getHandle", null);
+    private static final Reflection.Method at = Reflection.getTypedMethod(craftBlock, "at", craftBlock, generatorAccess, blockPosition);
+
+    private static final Class<?> openSign = Reflection.getClass("net.minecraft.network.protocol.game.ClientboundOpenSignEditorPacket");
+    private static final Reflection.Field<?> blockPositionFieldAccessor = Reflection.getField(openSign, blockPosition, 0);
+
+    private static final Class<?> updateSign = Reflection.getClass("net.minecraft.network.protocol.game.ServerboundSignUpdatePacket");
+    private static final Reflection.Field<?> getBlockPositionFieldAccessor = Reflection.getField(updateSign, blockPosition, 0);
+    private static final Reflection.Field<String[]> stringFieldAccessor = Reflection.getField(updateSign, String[].class, 0);
+
+    @EventHandler
+    public void editSign(PlayerInteractEvent event) {
+        if (!event.getPlayer().isSneaking()) return;
+        if (event.getClickedBlock() == null || !event.getClickedBlock().getType().name().contains("SIGN")) return;
+
+        if (event.getAction() == Action.RIGHT_CLICK_BLOCK && (event.getItem() == null || event.getItem().getType() == Material.AIR) || event.getAction() == Action.LEFT_CLICK_BLOCK) {
+            event.setCancelled(true);
+            Bukkit.getScheduler().runTaskLater(BauSystem.getInstance(), () -> {
+                edit(event.getPlayer(), event.getClickedBlock());
+            }, 1);
+        }
+    }
+
+    private void edit(Player player, Block block) {
+        if (!Permission.BUILD.hasPermission(player)) return;
+        Sign sign = (org.bukkit.block.Sign) block.getState();
+        String[] lines = sign.getLines();
+        for (int i = 0; i < lines.length; i++) {
+            sign.setLine(i, lines[i].replace('§', '&'));
+        }
+        sign.update(true);
+
+        Bukkit.getScheduler().runTaskLater(BauSystem.getInstance(), () -> {
+            Object openSignObject = Reflection.newInstance(openSign);
+            blockPositionFieldAccessor.set(openSignObject, getPosition.invoke(block));
+            TinyProtocol.instance.sendPacket(player, openSignObject);
+        }, 1);
+    }
+
+    {
+        TinyProtocol.instance.addFilter(updateSign, (player, o) -> {
+            Bukkit.getScheduler().runTask(BauSystem.getInstance(), () -> {
+                String[] lines = stringFieldAccessor.get(o);
+
+                Block signLoc = (Block) at.invoke(null, getWorldHandle.invoke(player.getWorld()), getBlockPositionFieldAccessor.get(o));
+                if (!signLoc.getType().name().contains("SIGN"))
+                    return;
+
+                org.bukkit.block.Sign sign = ((Sign) signLoc.getState());
+                for (int i = 0; i < lines.length; i++) {
+                    sign.setLine(i, ChatColor.translateAlternateColorCodes('&', lines[i]));
+                }
+                sign.update();
+            });
+            return o;
+        });
+    }
+}

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/worldedit/SelectAdjacent.java

@@ -0,0 +1,189 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.features.worldedit;
+
+import de.steamwar.bausystem.BauSystem;
+import de.steamwar.bausystem.region.Point;
+import de.steamwar.bausystem.region.Region;
+import de.steamwar.bausystem.utils.FlatteningWrapper;
+import de.steamwar.core.SWPlayer;
+import de.steamwar.core.WorldEditRenderer;
+import de.steamwar.linkage.Linked;
+import de.steamwar.linkage.MinVersion;
+import org.bukkit.Bukkit;
+import org.bukkit.Location;
+import org.bukkit.Material;
+import org.bukkit.block.Block;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.block.Action;
+import org.bukkit.event.player.PlayerInteractEvent;
+import org.bukkit.scheduler.BukkitTask;
+import org.bukkit.util.Vector;
+
+import java.util.HashSet;
+import java.util.Set;
+import java.util.function.Predicate;
+
+@Linked
+@MinVersion(20)
+public class SelectAdjacent implements Listener {
+
+    private Vector[] FACES = {
+            new Vector(1, 0, 0),
+            new Vector(-1, 0, 0),
+            new Vector(0, 1, 0),
+            new Vector(0, -1, 0),
+            new Vector(0, 0, 1),
+            new Vector(0, 0, -1),
+
+            new Vector(1, 1, 0),
+            new Vector(1, -1, 0),
+            new Vector(1, 0, 1),
+            new Vector(1, 0, -1),
+            new Vector(-1, 1, 0),
+            new Vector(-1, -1, 0),
+            new Vector(-1, 0, 1),
+            new Vector(-1, 0, -1),
+            new Vector(0, 1, 1),
+            new Vector(0, 1, -1),
+            new Vector(0, -1, 1),
+            new Vector(0, -1, -1),
+    };
+
+    @EventHandler
+    public void onPlayerInteract(PlayerInteractEvent event) {
+        if (!event.hasItem()) return;
+        if (event.getItem().getType() != Material.WOODEN_AXE) return;
+        if (!event.getPlayer().isSneaking()) return;
+        if (event.getAction() != Action.LEFT_CLICK_BLOCK) return;
+        Material material = event.getPlayer().getInventory().getItemInOffHand().getType();
+        Selector selector;
+        if (material.isAir()) {
+            selector = new Selector(event.getClickedBlock(), event.getPlayer(), __ -> true);
+        } else {
+            selector = new Selector(event.getClickedBlock(), event.getPlayer(), type -> type == material);
+        }
+        SWPlayer.of(event.getPlayer()).setComponent(selector);
+    }
+
+    private class Selector implements SWPlayer.Component {
+
+        private static final int MAX_BLOCKS = 500_000;
+
+        private int minX;
+        private int minY;
+        private int minZ;
+        private int maxX;
+        private int maxY;
+        private int maxZ;
+
+        private BukkitTask bukkitTask;
+        private Predicate<Material> predicate;
+        private Set<Location> seen = new HashSet<>();
+        private Set<Location> toCalc = new HashSet<>();
+
+        private Region.Area area;
+
+        public Selector(Block block, Player player, Predicate<Material> predicate) {
+            this.predicate = predicate;
+            toCalc.add(block.getLocation());
+            minX = block.getX();
+            minY = block.getY();
+            minZ = block.getZ();
+            maxX = block.getX();
+            maxY = block.getY();
+            maxZ = block.getZ();
+
+            Region region = Region.getRegion(block.getLocation());
+            area = Region.Area.EMPTY;
+            if (region.getBuildArea().inRegion(block.getLocation(), true)) {
+                area = region.getBuildArea();
+            } else if (region.getTestblockArea().inRegion(block.getLocation(), true)) {
+                area = region.getTestblockArea();
+            } else if (region.getArea().inRegion(block.getLocation(), true)) {
+                area = region.getArea();
+            }
+
+            bukkitTask = Bukkit.getScheduler().runTaskTimer(BauSystem.getInstance(), () -> {
+                run();
+
+                long volume = (long)(maxX - minX + 1) * (long)(maxY - minY + 1) * (long)(maxZ - minZ + 1);
+                player.sendTitle("", "§e" + volume + " §7Blocks", 0, 5, 0);
+
+                Point minPoint = new Point(minX, minY, minZ);
+                Point maxPoint = new Point(maxX, maxY, maxZ);
+
+                FlatteningWrapper.impl.setSelection(player, minPoint, maxPoint);
+                WorldEditRenderer.renderPlayer(player);
+
+                // boolean finished = toCalc.stream().allMatch(location -> {
+                //     return location.getBlockX() >= minX && location.getBlockY() >= minY && location.getBlockZ() >= minZ &&
+                //             location.getBlockX() <= maxX && location.getBlockY() <= maxY && location.getBlockZ() <= maxZ;
+                // });
+
+                if (toCalc.isEmpty() || seen.size() > MAX_BLOCKS) {
+                    bukkitTask.cancel();
+                    player.sendTitle("§aDone", "§e" + volume + " §7Blocks", 0, 20, 5);
+                    SWPlayer.of(player).removeComponent(Selector.class);
+                }
+            }, 1, 1);
+        }
+
+        private void cancel() {
+            bukkitTask.cancel();
+        }
+
+        private void run() {
+            Set<Location> current = toCalc;
+            toCalc = new HashSet<>();
+
+            for (Location location : current) {
+                Block block = location.getBlock();
+                if (block.isEmpty() || block.isLiquid()) continue;
+                if (!predicate.test(block.getType())) continue;
+                seen.add(location);
+                if (!area.inRegion(block.getLocation(), true)) continue;
+
+                minX = Math.min(minX, location.getBlockX());
+                maxX = Math.max(maxX, location.getBlockX());
+                minY = Math.min(minY, location.getBlockY());
+                maxY = Math.max(maxY, location.getBlockY());
+                minZ = Math.min(minZ, location.getBlockZ());
+                maxZ = Math.max(maxZ, location.getBlockZ());
+
+                for (Vector face : FACES) {
+                    Block next = block.getRelative(face.getBlockX(), face.getBlockY(), face.getBlockZ());
+                    if (next.isEmpty() || next.isLiquid()) continue;
+                    if (!predicate.test(next.getType())) continue;
+                    Location loc = next.getLocation();
+                    if (seen.contains(loc)) continue;
+                    toCalc.add(loc);
+                }
+            }
+        }
+
+        @Override
+        public void onUnmount(SWPlayer player) {
+            cancel();
+        }
+    }
+}

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/worldedit/mask/above/FAWEAboveMaskParser.java

@@ -26,7 +26,6 @@ import com.sk89q.worldedit.extension.input.ParserContext;
 import com.sk89q.worldedit.function.mask.Mask;
 import de.steamwar.bausystem.features.worldedit.utils.FAWEMaskParser;
 import de.steamwar.linkage.Linked;
-import de.steamwar.linkage.MinVersion;
 import de.steamwar.linkage.PluginCheck;
 
 import javax.annotation.Nonnull;
@@ -34,7 +33,6 @@ import java.util.stream.Stream;
 
 @Linked
 @PluginCheck("FastAsyncWorldEdit")
-@MinVersion(19)
 public class FAWEAboveMaskParser extends FAWEMaskParser {
 
     public FAWEAboveMaskParser() {

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/worldedit/mask/below/FAWEBelowMaskParser.java

@@ -26,7 +26,6 @@ import com.sk89q.worldedit.extension.input.ParserContext;
 import com.sk89q.worldedit.function.mask.Mask;
 import de.steamwar.bausystem.features.worldedit.utils.FAWEMaskParser;
 import de.steamwar.linkage.Linked;
-import de.steamwar.linkage.MinVersion;
 import de.steamwar.linkage.PluginCheck;
 
 import javax.annotation.Nonnull;
@@ -34,7 +33,6 @@ import java.util.stream.Stream;
 
 @Linked
 @PluginCheck("FastAsyncWorldEdit")
-@MinVersion(19)
 public class FAWEBelowMaskParser extends FAWEMaskParser {
 
     public FAWEBelowMaskParser() {

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/worldedit/mask/checkerboard3d/FAWECheckerboard3DMaskParser.java

@@ -25,7 +25,6 @@ import com.sk89q.worldedit.extension.input.ParserContext;
 import com.sk89q.worldedit.function.mask.Mask;
 import de.steamwar.bausystem.features.worldedit.utils.FAWEMaskParser;
 import de.steamwar.linkage.Linked;
-import de.steamwar.linkage.MinVersion;
 import de.steamwar.linkage.PluginCheck;
 
 import javax.annotation.Nonnull;
@@ -33,7 +32,6 @@ import java.util.stream.Stream;
 
 @Linked
 @PluginCheck("FastAsyncWorldEdit")
-@MinVersion(19)
 public class FAWECheckerboard3DMaskParser extends FAWEMaskParser {
 
     public FAWECheckerboard3DMaskParser() {

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/worldedit/mask/checkerboard3d/FAWECheckerboardMaskParser.java

@@ -25,7 +25,6 @@ import com.sk89q.worldedit.extension.input.ParserContext;
 import com.sk89q.worldedit.function.mask.Mask;
 import de.steamwar.bausystem.features.worldedit.utils.FAWEMaskParser;
 import de.steamwar.linkage.Linked;
-import de.steamwar.linkage.MinVersion;
 import de.steamwar.linkage.PluginCheck;
 
 import javax.annotation.Nonnull;
@@ -33,7 +32,6 @@ import java.util.stream.Stream;
 
 @Linked
 @PluginCheck("FastAsyncWorldEdit")
-@MinVersion(19)
 public class FAWECheckerboardMaskParser extends FAWEMaskParser {
 
     public FAWECheckerboardMaskParser() {

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/worldedit/mask/grid/FAWEGridMaskParser.java

@@ -25,7 +25,6 @@ import com.sk89q.worldedit.extension.input.ParserContext;
 import com.sk89q.worldedit.function.mask.Mask;
 import de.steamwar.bausystem.features.worldedit.utils.FAWEMaskParser;
 import de.steamwar.linkage.Linked;
-import de.steamwar.linkage.MinVersion;
 import de.steamwar.linkage.PluginCheck;
 
 import javax.annotation.Nonnull;
@@ -33,7 +32,6 @@ import java.util.stream.Stream;
 
 @Linked
 @PluginCheck("FastAsyncWorldEdit")
-@MinVersion(19)
 public class FAWEGridMaskParser extends FAWEMaskParser {
 
     public FAWEGridMaskParser() {

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/worldedit/pattern/gradient/FAWEGradientPatternParser.java

@@ -27,7 +27,6 @@ import com.sk89q.worldedit.regions.Region;
 import de.steamwar.bausystem.features.worldedit.utils.FAWEPatternParser;
 import de.steamwar.bausystem.utils.WorldEditUtils;
 import de.steamwar.linkage.Linked;
-import de.steamwar.linkage.MinVersion;
 import de.steamwar.linkage.PluginCheck;
 import org.bukkit.Axis;
 
@@ -36,7 +35,6 @@ import java.util.stream.Stream;
 
 @Linked
 @PluginCheck("FastAsyncWorldEdit")
-@MinVersion(19)
 public class FAWEGradientPatternParser extends FAWEPatternParser {
 
     public FAWEGradientPatternParser() {

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/xray/XrayCommand.java

@@ -20,6 +20,7 @@
 package de.steamwar.bausystem.features.xray;
 
 import com.comphenix.tinyprotocol.TinyProtocol;
+import de.steamwar.Reflection;
 import de.steamwar.bausystem.BauSystem;
 import de.steamwar.bausystem.features.techhider.TechHiderCommand;
 import de.steamwar.bausystem.region.Region;
@@ -31,7 +32,6 @@ import de.steamwar.linkage.Linked;
 import de.steamwar.linkage.LinkedInstance;
 import de.steamwar.techhider.TechHider;
 import net.md_5.bungee.api.ChatMessageType;
-import net.minecraft.network.protocol.game.ServerboundMovePlayerPacket;
 import org.bukkit.Bukkit;
 import org.bukkit.Material;
 import org.bukkit.entity.Player;
@@ -95,6 +95,9 @@ public class XrayCommand extends SWCommand implements Listener, ScoreboardElemen
         });
     }
 
+    private static final Class<?> position = Reflection.getClass("net.minecraft.network.protocol.game.ServerboundMovePlayerPacket$Pos");
+    private static final Class<?> positionLook = Reflection.getClass("net.minecraft.network.protocol.game.ServerboundMovePlayerPacket$PosRot");
+
     {
         BiFunction<Player, Object, Object> positionSetter = (player, o) -> {
             Region region = Region.getRegion(player.getLocation());
@@ -107,8 +110,8 @@ public class XrayCommand extends SWCommand implements Listener, ScoreboardElemen
             return o;
         };
 
-        TinyProtocol.instance.addFilter(ServerboundMovePlayerPacket.Pos.class, positionSetter);
-        TinyProtocol.instance.addFilter(ServerboundMovePlayerPacket.PosRot.class, positionSetter);
+        TinyProtocol.instance.addFilter(position, positionSetter);
+        TinyProtocol.instance.addFilter(positionLook, positionSetter);
     }
 
     @EventHandler

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/region/Region.java

@@ -65,6 +65,12 @@ public interface Region {
     @NonNull
     Area getTestblockArea();
 
+    default int getFloorLevel() {
+        Point p1 = getBuildArea().getMinPoint(true);
+        Point p2 = getTestblockArea().getMinPoint(true);
+        return Math.min(p1.getY(), p2.getY());
+    }
+
     @NonNull
     GameModeConfig<Material, String> getGameModeConfig();
 

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/region/RegionBackups.java

@@ -41,7 +41,7 @@ public interface RegionBackups {
 
     @RequiredArgsConstructor
     @Getter
-    abstract class Backup {
+    abstract class Backup implements Comparable<Backup> {
         @NonNull
         private final BackupType type;
 
@@ -55,6 +55,13 @@ public interface RegionBackups {
         public abstract boolean load();
 
         public abstract void delete();
+
+        public abstract long getCreationTime();
+
+        @Override
+        public int compareTo(Backup o) {
+            return Long.compare(getCreationTime(), o.getCreationTime());
+        }
     }
 
     @CheckReturnValue

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/region/RegionSystem.java

@@ -75,6 +75,12 @@ public interface RegionSystem {
     Stream<Region> getRegions();
 
     private static RegionSystem init() {
+        try {
+            return (RegionSystem) Class.forName("de.steamwar.bausystem.region.DynamicRegionSystem").getConstructor().newInstance();
+        } catch (ClassNotFoundException | NoSuchMethodException | InstantiationException | IllegalAccessException |
+                 InvocationTargetException e) {
+            // Ignore
+        }
         try {
             return (RegionSystem) Class.forName("de.steamwar.bausystem.region.FixedRegionSystem").getConstructor().newInstance();
         } catch (ClassNotFoundException | NoSuchMethodException | InstantiationException | IllegalAccessException |

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/region/RegionType.java

@@ -26,9 +26,31 @@ import lombok.RequiredArgsConstructor;
 @Getter
 public enum RegionType {
 
-    GLOBAL(true),
-    NORMAL(false),
+    GLOBAL(true, false, true, ConnectionType.Global),
+    /**
+     * This should not be used by the DynamicRegionSystem
+     */
+    NORMAL(false, true, false, ConnectionType.Closed),
+
+    SPAWN(false, false, true, ConnectionType.Closed),
+    SPAWN_PATH(false, false, true, ConnectionType.Path),
+    SPAWN_EXTENSION(false, false, false, ConnectionType.Closed),
+    PATH(false, false, false, ConnectionType.Path),
+    DRY(false, true, false, ConnectionType.Closed),
+    DRY_SPECIAL(false, false, false, ConnectionType.Closed),
+    WET(false, true, false, ConnectionType.Water),
+    WET_SPECIAL(false, false, false, ConnectionType.Water),
     ;
 
     private final boolean global;
+    private final boolean createBackup;
+    private final boolean cannotDelete;
+    private final ConnectionType connectionType;
+
+    public enum ConnectionType {
+        Closed,
+        Path,
+        Water,
+        Global
+    }
 }

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/region/flags/Flag.java

@@ -43,7 +43,6 @@ public final class Flag<T extends Enum<T> & Flag.Value<T>> implements EnumDispla
     public static final Flag<NoGravityMode> NO_GRAVITY = new Flag<>("NO_GRAVITY", "FLAG_NO_GRAVITY", NoGravityMode.class, NoGravityMode.INACTIVE);
     public static final Flag<TestblockMode> TESTBLOCK = new Flag<>("TESTBLOCK", "FLAG_TESTBLOCK", TestblockMode.class, TestblockMode.NO_VALUE);
     public static final Flag<ChangedMode> CHANGED = new Flag<>("CHANGED", "FLAG_CHANGED", ChangedMode.class, ChangedMode.NO_CHANGE);
-    public static final Flag<WaterDestroyMode> WATER_DESTROY = new Flag<>("WATER_DESTROY", "FLAG_WATER_DESTROY", WaterDestroyMode.class, WaterDestroyMode.ALLOW);
 
     private String name;
     private int ordinal;

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/utils/FlatteningWrapper.java

@@ -20,211 +20,34 @@
 package de.steamwar.bausystem.utils;
 
 import com.sk89q.worldedit.EditSession;
-import com.sk89q.worldedit.WorldEdit;
-import com.sk89q.worldedit.WorldEditException;
-import com.sk89q.worldedit.bukkit.BukkitWorld;
-import com.sk89q.worldedit.bukkit.WorldEditPlugin;
-import com.sk89q.worldedit.extent.clipboard.BlockArrayClipboard;
 import com.sk89q.worldedit.extent.clipboard.Clipboard;
-import com.sk89q.worldedit.extent.clipboard.io.BuiltInClipboardFormat;
-import com.sk89q.worldedit.extent.clipboard.io.ClipboardFormats;
-import com.sk89q.worldedit.extent.clipboard.io.ClipboardReader;
-import com.sk89q.worldedit.extent.clipboard.io.ClipboardWriter;
-import com.sk89q.worldedit.function.mask.Mask;
-import com.sk89q.worldedit.function.mask.Mask2D;
-import com.sk89q.worldedit.function.operation.ForwardExtentCopy;
-import com.sk89q.worldedit.function.operation.Operations;
-import com.sk89q.worldedit.math.BlockVector3;
-import com.sk89q.worldedit.math.transform.AffineTransform;
-import com.sk89q.worldedit.regions.CuboidRegion;
-import com.sk89q.worldedit.regions.Region;
-import com.sk89q.worldedit.regions.selector.CuboidRegionSelector;
-import com.sk89q.worldedit.session.ClipboardHolder;
-import com.sk89q.worldedit.world.block.BaseBlock;
-import com.sk89q.worldedit.world.block.BlockTypes;
+import de.steamwar.bausystem.BauSystem;
 import de.steamwar.bausystem.region.Point;
-import org.bukkit.Bukkit;
+import de.steamwar.core.VersionDependent;
 import org.bukkit.Material;
-import org.bukkit.block.Block;
-import org.bukkit.block.data.BlockData;
-import org.bukkit.block.data.Waterlogged;
+import org.bukkit.World;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.util.Vector;
 
-import javax.annotation.Nullable;
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.util.Arrays;
-import java.util.HashSet;
-import java.util.Objects;
-import java.util.Set;
-import java.util.concurrent.atomic.AtomicReference;
-import java.util.function.BiPredicate;
-import java.util.logging.Level;
 
-public class FlatteningWrapper {
-    public static final FlatteningWrapper impl = new FlatteningWrapper();
+public interface FlatteningWrapper {
+    FlatteningWrapper impl = VersionDependent.getVersionImpl(BauSystem.getInstance());
 
-    public boolean isNoBook(ItemStack item) {
-        return item.getType() != Material.WRITABLE_BOOK && item.getType() != Material.WRITTEN_BOOK;
-    }
+    boolean isNoBook(ItemStack item);
 
-    private static final Set<Material> unpushable = new HashSet<>(Arrays.asList(Material.BARRIER, Material.BEACON, Material.COMMAND_BLOCK, Material.CHAIN_COMMAND_BLOCK, Material.REPEATING_COMMAND_BLOCK, Material.ENCHANTING_TABLE, Material.END_GATEWAY, Material.END_PORTAL, Material.ENDER_CHEST, Material.GRINDSTONE, Material.JIGSAW, Material.JUKEBOX, Material.NETHER_PORTAL, Material.OBSIDIAN, Material.STRUCTURE_VOID, Material.BARREL, Material.BEEHIVE, Material.BEE_NEST, Material.BLAST_FURNACE, Material.BREWING_STAND, Material.CHEST, Material.DAYLIGHT_DETECTOR, Material.DISPENSER, Material.DROPPER, Material.FURNACE, Material.HOPPER, Material.LECTERN, Material.SMOKER, Material.TRAPPED_CHEST));
+    boolean isUnpusheable(Material material);
+    boolean isBreakingOnPush(Material material);
 
-    // TODO: FLOWER
-    private static final Set<Material> breaking = new HashSet<>(Arrays.asList(Material.BAMBOO, Material.CACTUS, Material.CAKE, Material.CARVED_PUMPKIN, Material.CHORUS_FLOWER, Material.CHORUS_PLANT, Material.COBWEB, Material.COCOA, Material.DRAGON_EGG, Material.FIRE, Material.FLOWER_POT, Material.JACK_O_LANTERN, Material.LADDER, Material.LAVA, Material.LAVA, Material.LEVER, Material.LILY_PAD, Material.MELON, Material.NETHER_WART, Material.PUMPKIN, Material.COMPARATOR, Material.REDSTONE_WIRE, Material.REPEATER, Material.TORCH, Material.STRUCTURE_VOID, Material.SCAFFOLDING, Material.SEA_PICKLE, Material.SNOW, Material.SUGAR_CANE, Material.TORCH, Material.TRIPWIRE, Material.TRIPWIRE_HOOK, Material.TURTLE_EGG, Material.VINE, Material.WATER, Material.WHEAT));
+    boolean isWorldEditCommand(String command);
+    void setSelection(Player p, Point minPoint, Point maxPoint);
 
-    public boolean isUnpusheable(Material material) {
-        if (unpushable.contains(material)) {
-            return true;
-        }
-        String name = material.name();
-        return name.contains("BANNER") || name.contains("SIGN");
-    }
+    Clipboard loadSchematic(File file);
+    EditSession paste(PasteBuilder pasteBuilder);
 
-    public boolean isBreakingOnPush(Material material) {
-        if (breaking.contains(material)) {
-            return true;
-        }
-        String name = material.name();
-        return name.contains("BED") || name.contains("BUTTON") || name.contains("CARPET") || (name.contains("DOOR") && !name.contains("TRAPDOOR")) || name.contains("HEAD") || name.contains("LEAVES") || name.contains("MUSHROOM") || name.contains("PRESSURE_PLATE") || name.contains("SHULKER_BOX");
-    }
+    Clipboard copy(Point minPoint, Point maxPoint, Point copyPoint);
+    boolean backup(Point minPoint, Point maxPoint, File file);
 
-    public boolean isWorldEditCommand(String command) {
-        if (command.startsWith("/")) {
-            command = command.replaceFirst("/", "");
-        }
-        command = command.toLowerCase();
-        return WorldEdit.getInstance().getPlatformManager().getPlatformCommandManager().getCommandManager().containsCommand(command);
-    }
-
-    private static final WorldEditPlugin WORLDEDIT_PLUGIN = Objects.requireNonNull((WorldEditPlugin) Bukkit.getPluginManager().getPlugin("WorldEdit"));
-    private static final BukkitWorld BUKKITWORLD = new BukkitWorld(Bukkit.getWorlds().get(0));
-
-    public void setSelection(Player p, Point minPoint, Point maxPoint) {
-        WORLDEDIT_PLUGIN.getSession(p).setRegionSelector(BUKKITWORLD, new CuboidRegionSelector(BUKKITWORLD, minPoint.toBlockVector3(), maxPoint.toBlockVector3()));
-    }
-
-    public Clipboard loadSchematic(File file) {
-        Clipboard clipboard;
-        try (ClipboardReader reader = Objects.requireNonNull(ClipboardFormats.findByFile(file)).getReader(new FileInputStream(file))) {
-            clipboard = reader.read();
-        } catch (NullPointerException | IOException e) {
-            throw new SecurityException("Bausystem schematic not found", e);
-        }
-        return clipboard;
-    }
-
-    public EditSession paste(PasteBuilder pasteBuilder) {
-        try (EditSession e = WorldEdit.getInstance().getEditSessionFactory().getEditSession(new BukkitWorld(Bukkit.getWorlds().get(0)), -1)) {
-            Clipboard clipboard = pasteBuilder.getClipboard();
-
-            if (!pasteBuilder.getMappers().isEmpty()) {
-                BlockVector3 minimum = clipboard.getRegion().getMinimumPoint();
-                for (int x = 0; x < clipboard.getDimensions().getX(); x++) {
-                    for (int y = 0; y < clipboard.getDimensions().getY(); y++) {
-                        for (int z = 0; z < clipboard.getDimensions().getZ(); z++) {
-                            BlockVector3 pos = minimum.add(x, y, z);
-                            pasteBuilder.getMappers().forEach(mapper -> mapper.accept(clipboard, pos));
-                        }
-                    }
-                }
-            }
-
-            AtomicReference<BlockVector3> pastePoint = new AtomicReference<>();
-            if (!pasteBuilder.getPredicates().isEmpty()) {
-                e.setMask(new Mask() {
-                    @Override
-                    public boolean test(BlockVector3 blockVector3) {
-                        BaseBlock block = clipboard.getFullBlock(blockVector3.subtract(pastePoint.get()).add(clipboard.getRegion().getMinimumPoint()));
-                        String blockName = block.getBlockType().toString().toLowerCase();
-                        for (BiPredicate<BaseBlock, String> predicate : pasteBuilder.getPredicates()) {
-                            if (!predicate.test(block, blockName)) return false;
-                        }
-                        return true;
-                    }
-
-                    public Mask copy() {
-                        return this;
-                    }
-
-                    @Nullable
-                    @Override
-                    public Mask2D toMask2D() {
-                        return null;
-                    }
-                });
-            }
-
-            ClipboardHolder ch = new ClipboardHolder(clipboard);
-            BlockVector3 dimensions = clipboard.getDimensions();
-            BlockVector3 v = BlockVector3.at(pasteBuilder.getPastPoint().getX(), pasteBuilder.getPastPoint().getY(), pasteBuilder.getPastPoint().getZ());
-            BlockVector3 offset = clipboard.getRegion().getMinimumPoint().subtract(clipboard.getOrigin());
-            if (pasteBuilder.isRotate()) {
-                ch.setTransform(new AffineTransform().rotateY(180));
-                v = v.add(dimensions.getX() / 2, 0, dimensions.getZ() / 2).subtract(offset.multiply(-1, 1, -1)).subtract(0, 0, 1);
-            } else {
-                v = v.subtract(dimensions.getX() / 2, 0, dimensions.getZ() / 2).subtract(offset);
-            }
-            pastePoint.set(v);
-
-            if (pasteBuilder.isReset()) {
-                e.setBlocks((Region) new CuboidRegion(pasteBuilder.getMinPoint().toBlockVector3(), pasteBuilder.getMaxPoint().toBlockVector3()), Objects.requireNonNull(BlockTypes.AIR).getDefaultState().toBaseBlock());
-                if (pasteBuilder.getWaterLevel() != 0) {
-                    e.setBlocks((Region) new CuboidRegion(pasteBuilder.getMinPoint().toBlockVector3(), pasteBuilder.getMaxPoint().toBlockVector3().withY(pasteBuilder.getWaterLevel())), Objects.requireNonNull(BlockTypes.WATER).getDefaultState().toBaseBlock());
-                }
-            }
-            Operations.completeBlindly(ch.createPaste(e).to(v).ignoreAirBlocks(pasteBuilder.isIgnoreAir()).build());
-            return e;
-        } catch (WorldEditException e) {
-            throw new SecurityException(e.getMessage(), e);
-        }
-    }
-
-    public Clipboard copy(Point minPoint, Point maxPoint, Point copyPoint) {
-        BukkitWorld bukkitWorld = new BukkitWorld(Bukkit.getWorlds().get(0));
-        CuboidRegion region = new CuboidRegion(bukkitWorld, minPoint.toBlockVector3(), maxPoint.toBlockVector3());
-        BlockArrayClipboard clipboard = new BlockArrayClipboard(region);
-        try (EditSession e = WorldEdit.getInstance().getEditSessionFactory().getEditSession(bukkitWorld, -1)) {
-            ForwardExtentCopy copy = new ForwardExtentCopy(
-                    e, region, clipboard, region.getMinimumPoint()
-            );
-
-            copy.setCopyingEntities(false);
-            copy.setCopyingBiomes(false);
-
-            Operations.complete(copy);
-            clipboard.setOrigin(copyPoint.toBlockVector3());
-            return clipboard;
-        } catch (WorldEditException e) {
-            Bukkit.getLogger().log(Level.SEVERE, e.getMessage(), e);
-            return null;
-        }
-    }
-
-    public boolean backup(Point minPoint, Point maxPoint, File file) {
-        Clipboard clipboard = copy(minPoint, maxPoint, minPoint);
-        try (ClipboardWriter writer = BuiltInClipboardFormat.SPONGE_SCHEMATIC.getWriter(new FileOutputStream(file))) {
-            writer.write(clipboard);
-            return true;
-        } catch (IOException e) {
-            Bukkit.getLogger().log(Level.SEVERE, e.getMessage(), e);
-            return false;
-        }
-    }
-
-    public boolean inWater(org.bukkit.World world, Vector tntPosition) {
-        Block block = world.getBlockAt(tntPosition.getBlockX(), tntPosition.getBlockY(), tntPosition.getBlockZ());
-        if (block.getType() == Material.WATER)
-            return true;
-
-        BlockData data = block.getBlockData();
-        if (!(data instanceof Waterlogged))
-            return false;
-
-        return ((Waterlogged) data).isWaterlogged();
-    }
+    boolean inWater(World world, Vector tntPosition);
 }

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/utils/NMSWrapper.java

@@ -19,99 +19,25 @@
 
 package de.steamwar.bausystem.utils;
 
-import de.steamwar.Reflection;
-import io.papermc.paper.datacomponent.DataComponentTypes;
-import io.papermc.paper.datacomponent.item.ItemContainerContents;
-import net.minecraft.network.protocol.game.ClientboundContainerSetSlotPacket;
-import net.minecraft.network.protocol.game.ClientboundExplodePacket;
-import net.minecraft.server.level.ServerPlayerGameMode;
-import net.minecraft.world.entity.player.Abilities;
-import net.minecraft.world.level.GameType;
+import de.steamwar.bausystem.BauSystem;
+import de.steamwar.core.VersionDependent;
 import org.bukkit.GameMode;
 import org.bukkit.Material;
-import org.bukkit.craftbukkit.entity.CraftPlayer;
-import org.bukkit.craftbukkit.inventory.CraftItemStack;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
 
-import java.util.List;
-import java.util.Optional;
+public interface NMSWrapper {
+    NMSWrapper impl = VersionDependent.getVersionImpl(BauSystem.getInstance());
 
-public class NMSWrapper {
-    public static final NMSWrapper impl = new NMSWrapper();
+    void setInternalGameMode(Player player, GameMode gameMode);
+    void setSlotToItemStack(Player player, Object o);
 
-    private static final Reflection.Field<GameType> playerGameMode = Reflection.getField(ServerPlayerGameMode.class, GameType.class, 0);
+    void setGameStateChangeReason(Object packet);
+    void setPlayerBuildAbilities(Player player);
 
-    public void setInternalGameMode(Player player, GameMode gameMode) {
-        playerGameMode.set(((CraftPlayer) player).getHandle().gameMode, GameType.byId(gameMode.getValue()));
-    }
+    Material pathMaterial();
 
-    public void setSlotToItemStack(Player player, Object o) {
-        ClientboundContainerSetSlotPacket packetPlayInSetCreativeSlot = (ClientboundContainerSetSlotPacket) o;
-        int index = packetPlayInSetCreativeSlot.getSlot();
-        if (index >= 36 && index <= 44) {
-            index -= 36;
-        } else if (index > 44) {
-            index -= 5;
-        } else if (index <= 8) {
-            index = index - 8 + 36;
-        }
-        player.getInventory().setItem(index, CraftItemStack.asBukkitCopy(packetPlayInSetCreativeSlot.getItem()));
-        if (index < 9) player.getInventory().setHeldItemSlot(index);
-        player.updateInventory();
-    }
+    boolean checkItemStack(ItemStack item);
 
-    public void setPlayerBuildAbilities(Player player) {
-        Abilities abilities = (((CraftPlayer) player).getHandle()).getAbilities();
-        abilities.mayBuild = true;
-        abilities.mayfly = true;
-    }
-
-    public Material pathMaterial() {
-        return Material.DIRT_PATH;
-    }
-
-    private static final int threshold = 2048;
-
-    public boolean checkItemStack(ItemStack item) {
-        ItemContainerContents data = item.getData(DataComponentTypes.CONTAINER);
-        if (data == null) {
-            return false;
-        }
-
-        return drillDown(data.contents(), 0, 0) > threshold;
-    }
-
-    private int drillDown(List<ItemStack> items, int layer, int start) {
-        if (layer > 2) return start + threshold;
-        int invalid = start;
-        for (int i = start; i < items.size(); i++) {
-            ItemStack item = items.get(i);
-            if (item.isEmpty()) continue;
-
-            invalid += item.getAmount();
-
-            ItemContainerContents data = item.getData(DataComponentTypes.CONTAINER);
-            if (data == null) {
-                continue;
-            }
-
-            List<ItemStack> subItems = data.contents();
-            if (subItems.size() > 1) {
-                invalid = drillDown(subItems, layer + 1, invalid);
-            }
-        }
-        return invalid;
-    }
-
-    public Object resetExplosionKnockback(Object packet) {
-        ClientboundExplodePacket explosion = (ClientboundExplodePacket) packet;
-
-        return new ClientboundExplodePacket(
-                explosion.center(),
-                Optional.empty(),
-                explosion.explosionParticle(),
-                explosion.explosionSound()
-        );
-    }
+    Object resetExplosionKnockback(Object packet);
 }

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/utils/PasteBuilder.java

@@ -57,6 +57,19 @@ public class PasteBuilder {
         this.clipboardProvider = clipboardProvider;
     }
 
+    public PasteBuilder with(ClipboardProvider clipboardProvider) {
+        return new PasteBuilder(clipboardProvider)
+                .pastePoint(pastPoint)
+                .rotate(rotate)
+                .ignoreAir(ignoreAir)
+                .reset(reset)
+                .minPoint(minPoint)
+                .maxPoint(maxPoint)
+                .waterLevel(waterLevel)
+                .predicates(predicates)
+                .mappers(mappers);
+    }
+
     public PasteBuilder pastePoint(Point point) {
         this.pastPoint = point;
         return this;
@@ -92,6 +105,16 @@ public class PasteBuilder {
         return this;
     }
 
+    private PasteBuilder predicates(List<BiPredicate<BaseBlock, String>> predicates) {
+        this.predicates = predicates;
+        return this;
+    }
+
+    public PasteBuilder mappers(List<BiConsumer<Clipboard, BlockVector3>> mappers) {
+        this.mappers = mappers;
+        return this;
+    }
+
     public PasteBuilder only(BiPredicate<BaseBlock, String> predicate) {
         predicates.add(predicate);
         return this;
@@ -182,11 +205,11 @@ public class PasteBuilder {
     }
 
     public EditSession run() {
-        if (pastPoint == null) {
-            throw new IllegalStateException("pastePoint is null");
-        }
+        if (pastPoint != null || minPoint != null) {
             return FlatteningWrapper.impl.paste(this);
         }
+        throw new IllegalStateException("pastePoint is null");
+    }
 
     public interface ClipboardProvider {
         Clipboard getClipboard();

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/utils/PlaceItemUtils.java

@@ -23,15 +23,11 @@ import de.steamwar.Reflection;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.experimental.UtilityClass;
-import net.minecraft.core.BlockPos;
 import org.bukkit.*;
 import org.bukkit.block.*;
-import org.bukkit.block.Skull;
 import org.bukkit.block.data.*;
-import org.bukkit.block.data.type.*;
 import org.bukkit.block.data.type.Hopper;
-import org.bukkit.craftbukkit.CraftWorld;
-import org.bukkit.craftbukkit.block.CraftBlockState;
+import org.bukkit.block.data.type.*;
 import org.bukkit.entity.Player;
 import org.bukkit.event.block.BlockCanBuildEvent;
 import org.bukkit.event.block.BlockPlaceEvent;
@@ -86,8 +82,12 @@ public class PlaceItemUtils {
                 .collect(Collectors.toSet());
     }
 
-    private static final Reflection.Field<?> positionAccessor = Reflection.getField(CraftBlockState.class, BlockPos.class, 0);
-    private static final Reflection.Field<?> worldAccessor = Reflection.getField(CraftBlockState.class, CraftWorld.class, 0);
+    private static final Class<?> blockPosition = Reflection.getClass("net.minecraft.core.BlockPos");
+    private static final Reflection.Constructor blockPositionConstructor = Reflection.getConstructor(blockPosition, int.class, int.class, int.class);
+    private static final Class<?> craftBlock = Reflection.getClass("org.bukkit.craftbukkit.block.CraftBlockState");
+    private static final Class<?> craftWorld = Reflection.getClass("org.bukkit.craftbukkit.CraftWorld");
+    private static final Reflection.Field<?> positionAccessor = Reflection.getField(craftBlock, blockPosition, 0);
+    private static final Reflection.Field<?> worldAccessor = Reflection.getField(craftBlock, craftWorld, 0);
 
     /**
      * Attempt to place an {@link ItemStack} the {@link Player} is holding against a {@link Block} inside the World.
@@ -288,7 +288,7 @@ public class PlaceItemUtils {
         } else {
             // If a BlockState is present set the Position and World to the Block you want to place
             Location blockLocation = block.getLocation();
-            positionAccessor.set(blockState, new BlockPos(blockLocation.getBlockX(), blockLocation.getBlockY(), blockLocation.getBlockZ()));
+            positionAccessor.set(blockState, blockPositionConstructor.invoke(blockLocation.getBlockX(), blockLocation.getBlockY(), blockLocation.getBlockZ()));
             worldAccessor.set(blockState, blockLocation.getWorld());
         }
 
@@ -369,8 +369,8 @@ public class PlaceItemUtils {
         return usedForcePlace.get() ? PlaceItemResult.SUCCESS_FORCE : PlaceItemResult.SUCCESS;
     }
 
-    public BlockFace[] axis = {BlockFace.NORTH, BlockFace.EAST, BlockFace.SOUTH, BlockFace.WEST};
-    public BlockFace[] radial = {BlockFace.NORTH, BlockFace.NORTH_EAST, BlockFace.EAST, BlockFace.SOUTH_EAST, BlockFace.SOUTH, BlockFace.SOUTH_WEST, BlockFace.WEST, BlockFace.NORTH_WEST};
+    public BlockFace[] axis = { BlockFace.NORTH, BlockFace.EAST, BlockFace.SOUTH, BlockFace.WEST };
+    public BlockFace[] radial = { BlockFace.NORTH, BlockFace.NORTH_EAST, BlockFace.EAST, BlockFace.SOUTH_EAST, BlockFace.SOUTH, BlockFace.SOUTH_WEST, BlockFace.WEST, BlockFace.NORTH_WEST };
 
     public BlockFace yawToFace(float yaw) {
         return radial[Math.round(yaw / 45f) & 0x7];

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/utils/PlaceItemWrapper.java

@@ -19,32 +19,16 @@
 
 package de.steamwar.bausystem.utils;
 
-import lombok.experimental.UtilityClass;
+import de.steamwar.bausystem.BauSystem;
+import de.steamwar.core.VersionDependent;
 import org.bukkit.Material;
-import org.bukkit.block.data.BlockData;
 
 import java.util.HashMap;
 import java.util.Map;
 
-@UtilityClass
-public class PlaceItemWrapper {
-    public static final Map<Material, Material> ITEM_MATERIAL_TO_BLOCK_MATERIAL = new HashMap<>();
-    public static final Map<Material, Material> BLOCK_MATERIAL_TO_WALL_BLOCK_MATERIAL = new HashMap<>();
+public interface PlaceItemWrapper {
+    Map<Material, Material> ITEM_MATERIAL_TO_BLOCK_MATERIAL = new HashMap<>();
+    Map<Material, Material> BLOCK_MATERIAL_TO_WALL_BLOCK_MATERIAL = new HashMap<>();
 
-    static {
-        for (Material material : Material.values()) {
-            if (!material.isBlock()) continue;
-            if (material.isLegacy()) continue;
-            BlockData blockData = material.createBlockData();
-            Material placementMaterial = blockData.getPlacementMaterial();
-            if (material == placementMaterial) continue;
-            if (placementMaterial == Material.AIR) continue;
-            if (placementMaterial.isItem() && !placementMaterial.isBlock()) {
-                ITEM_MATERIAL_TO_BLOCK_MATERIAL.put(placementMaterial, material);
-            }
-            if (material.name().contains("WALL")) {
-                BLOCK_MATERIAL_TO_WALL_BLOCK_MATERIAL.put(placementMaterial, material);
-            }
-        }
-    }
+    PlaceItemWrapper impl = VersionDependent.getVersionImpl(BauSystem.getInstance());
 }

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/utils/PlayerMovementWrapper.java

@@ -20,33 +20,19 @@
 package de.steamwar.bausystem.utils;
 
 import de.steamwar.Reflection;
+import de.steamwar.bausystem.BauSystem;
 import de.steamwar.core.BountifulWrapper;
+import de.steamwar.core.VersionDependent;
 import de.steamwar.entity.REntity;
-import net.minecraft.network.protocol.game.ServerboundMovePlayerPacket;
-import net.minecraft.server.level.ServerPlayer;
-import org.bukkit.craftbukkit.entity.CraftPlayer;
 import org.bukkit.entity.Player;
 
-public class PlayerMovementWrapper {
+public interface PlayerMovementWrapper {
     Class<?> teleportPacket = REntity.teleportPacket;
     Reflection.Field<Integer> teleportEntity = REntity.teleportEntity;
     BountifulWrapper.PositionSetter teleportPosition = REntity.teleportPosition;
 
-    public static final PlayerMovementWrapper impl = new PlayerMovementWrapper();
+    PlayerMovementWrapper impl = VersionDependent.getVersionImpl(BauSystem.getInstance());
 
-    public void setPosition(Player player, Object object) {
-        ServerboundMovePlayerPacket packetPlayInFlying = ((ServerboundMovePlayerPacket) object);
-        ServerPlayer serverPlayer = ((CraftPlayer) player).getHandle();
-        if (packetPlayInFlying.hasPos) {
-            serverPlayer.setPosRaw(packetPlayInFlying.x, packetPlayInFlying.y, packetPlayInFlying.z);
-        }
-        if (packetPlayInFlying.hasRot) {
-            serverPlayer.setXRot(packetPlayInFlying.xRot);
-            serverPlayer.setYRot(packetPlayInFlying.yRot);
-        }
-    }
-
-    public Object convertToOut(Player player, Object object) {
-        return object;
-    }
+    void setPosition(Player player, Object object);
+    Object convertToOut(Player player, Object object);
 }

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/utils/TickListener.java

@@ -0,0 +1,31 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.utils;
+
+import de.steamwar.bausystem.BauSystem;
+import de.steamwar.core.VersionDependent;
+
+public interface TickListener {
+
+    TickListener impl = VersionDependent.getVersionImpl(BauSystem.getInstance());
+
+    default void init() {
+    }
+}

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/utils/TickManager.java

@@ -19,119 +19,28 @@
 
 package de.steamwar.bausystem.utils;
 
-import com.comphenix.tinyprotocol.TinyProtocol;
-import de.steamwar.Reflection;
 import de.steamwar.bausystem.BauSystem;
-import net.minecraft.network.protocol.game.ClientboundTickingStatePacket;
-import net.minecraft.server.MinecraftServer;
-import net.minecraft.server.ServerTickRateManager;
-import org.bukkit.Bukkit;
-import org.bukkit.entity.Player;
+import de.steamwar.core.VersionDependent;
 import org.bukkit.event.Listener;
 
-public class TickManager implements Listener {
-    public static final TickManager impl = new TickManager();
+public interface TickManager extends Listener {
+    TickManager impl = VersionDependent.getVersionImpl(BauSystem.getInstance());
 
-    private static final ServerTickRateManager manager = MinecraftServer.getServer().tickRateManager();
-    private static final Reflection.Field<Long> remainingSprintTicks = Reflection.getField(ServerTickRateManager.class, long.class, 0);
+    void setTickRate(float tickRate);
+    float getTickRate();
 
-    private boolean blockTpsPacket = true;
-    private int totalSteps;
+    boolean canFreeze();
+    void setFreeze(boolean freeze);
+    boolean isFrozen();
 
-    private TickManager() {
-        TinyProtocol.instance.addFilter(ClientboundTickingStatePacket.class, this::blockPacket);
-    }
+    void stepTicks(int ticks);
+    boolean isStepping();
 
-    private Object blockPacket(Player player, Object packet) {
-        if (blockTpsPacket) {
-            return new ClientboundTickingStatePacket(20, manager.isFrozen());
-        } else {
-            return packet;
-        }
-    }
+    void sprintTicks(int ticks);
+    boolean isSprinting();
 
-    public boolean canFreeze() {
-        return true;
-    }
-
-    public void setBlockTpsPacket(boolean block) {
-        blockTpsPacket = block;
-        if (blockTpsPacket) {
-            ClientboundTickingStatePacket packet = new ClientboundTickingStatePacket(20, manager.isFrozen());
-            Bukkit.getOnlinePlayers().forEach(player -> TinyProtocol.instance.sendPacket(player, packet));
-        } else {
-            ClientboundTickingStatePacket packet = new ClientboundTickingStatePacket(manager.tickrate(), manager.isFrozen());
-            Bukkit.getOnlinePlayers().forEach(player -> TinyProtocol.instance.sendPacket(player, packet));
-        }
-    }
-
-    public void setTickRate(float tickRate) {
-        if (isFrozen()) {
-            setFreeze(false);
-        }
-        manager.setTickRate(tickRate);
-    }
-
-    public boolean isFrozen() {
-        return manager.isFrozen();
-    }
-
-    public void setFreeze(boolean freeze) {
-        manager.setFrozen(freeze);
-    }
-
-    public void stepTicks(int ticks) {
-        if (manager.isSprinting()) {
-            manager.stopSprinting();
-        } else if (manager.isSteppingForward()) {
-            manager.stopStepping();
-        }
-        this.totalSteps = ticks;
-        manager.setFrozen(true);
-        manager.stepGameIfPaused(ticks);
-        manager.setFrozen(false);
-        Bukkit.getScheduler().runTaskTimer(BauSystem.getInstance(), (bukkitTask) -> {
-            if (manager.isSteppingForward()) return;
-            manager.setFrozen(true);
-            bukkitTask.cancel();
-        }, 1, 1);
-    }
-
-    public void sprintTicks(int ticks) {
-        if (manager.isSteppingForward()) {
-            manager.stopStepping();
-        } else if (manager.isSprinting()) {
-            manager.stopSprinting();
-        }
-        this.totalSteps = ticks;
-        manager.requestGameToSprint(ticks, true);
-    }
-
-    public boolean isSprinting() {
-        return manager.isSprinting();
-    }
-
-    public boolean isStepping() {
-        return manager.isSteppingForward();
-    }
-
-    public float getTickRate() {
-        return manager.tickrate();
-    }
-
-    public long getRemainingTicks() {
-        if (isSprinting()) {
-            return remainingSprintTicks.get(manager);
-        } else {
-            return manager.frozenTicksToRun();
-        }
-    }
-
-    public long getDoneTicks() {
-        return totalSteps - getRemainingTicks();
-    }
-
-    public long getTotalTicks() {
-        return totalSteps;
-    }
+    void setBlockTpsPacket(boolean block);
+    long getRemainingTicks();
+    long getDoneTicks();
+    long getTotalTicks();
 }

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/utils/WorldEditUtils.java

@@ -19,6 +19,7 @@
 
 package de.steamwar.bausystem.utils;
 
+import de.steamwar.Reflection;
 import com.sk89q.worldedit.EditSession;
 import com.sk89q.worldedit.IncompleteRegionException;
 import com.sk89q.worldedit.LocalSession;
@@ -33,7 +34,6 @@ import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.regions.Region;
 import com.sk89q.worldedit.regions.RegionSelector;
 import com.sk89q.worldedit.regions.selector.limit.SelectorLimits;
-import de.steamwar.Reflection;
 import de.steamwar.bausystem.shared.Pair;
 import lombok.SneakyThrows;
 import lombok.experimental.UtilityClass;

BauSystem/BauSystem_RegionDynamic/build.gradle.kts

@@ -0,0 +1,46 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2024  SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+plugins {
+    steamwar.java
+}
+
+tasks.compileJava {
+    options.isWarnings = false
+}
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_17
+    targetCompatibility = JavaVersion.VERSION_17
+}
+
+dependencies {
+    compileOnly(project(":BauSystem:BauSystem_Main", "default"))
+    compileOnly(project(":SpigotCore", "default"))
+
+    compileOnly(libs.spigotapi)
+    compileOnly(libs.axiom)
+    compileOnly(libs.authlib)
+    compileOnly(libs.viaapi)
+
+    compileOnly(libs.nms20)
+    compileOnly(libs.fawe18)
+
+    implementation(libs.luaj)
+}

BauSystem/BauSystem_RegionDynamic/src/de/steamwar/bausystem/region/DynamicRegionCommand.java

@@ -0,0 +1,131 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.region;
+
+import de.steamwar.bausystem.features.region.RegionCommand;
+import de.steamwar.bausystem.region.dynamic.DynamicRegion;
+import de.steamwar.bausystem.region.dynamic.TileUtils;
+import de.steamwar.bausystem.region.dynamic.normal.display.MicroWarGear21DisplayRegion;
+import de.steamwar.bausystem.region.dynamic.normal.display.MiniWarGear21DisplayRegion;
+import de.steamwar.bausystem.region.dynamic.normal.display.WarGear21DisplayRegion;
+import de.steamwar.bausystem.region.dynamic.normal.display.WarShip21DisplayRegion;
+import de.steamwar.bausystem.region.dynamic.normal.work.MicroWarGear21WorkRegion;
+import de.steamwar.bausystem.region.dynamic.normal.work.MiniWarGear21WorkRegion;
+import de.steamwar.bausystem.region.dynamic.normal.work.WarGear21WorkRegion;
+import de.steamwar.bausystem.region.dynamic.normal.work.WarShip21WorkRegion;
+import de.steamwar.bausystem.region.dynamic.path.PathRegion;
+import de.steamwar.bausystem.region.dynamic.special.DrySpecialRegion;
+import de.steamwar.bausystem.region.dynamic.special.WetSpecialRegion;
+import de.steamwar.bausystem.shared.Pair;
+import de.steamwar.bausystem.utils.PasteBuilder;
+import de.steamwar.command.AbstractSWCommand;
+import de.steamwar.command.SWCommand;
+import lombok.RequiredArgsConstructor;
+import org.bukkit.entity.Player;
+
+import java.util.*;
+import java.util.function.BiFunction;
+import java.util.stream.Collectors;
+
+@AbstractSWCommand.PartOf(RegionCommand.class)
+public class DynamicRegionCommand extends SWCommand {
+
+    public DynamicRegionCommand() {
+        super("");
+    }
+
+    @Register({"dynamic", "place"})
+    public void placeRegion(Player player, Placement placement) {
+        Region region = DynamicRegionSystem.INSTANCE.get(player.getLocation());
+        if (!region.getType().isGlobal()) return;
+        Pair<Integer, Integer> tile = TileUtils.fromLocation(player.getLocation());
+        Pair<Integer, Integer> placePosition = placePosition(tile, placement);
+        if (placePosition == null) return;
+        Pair<Integer, Integer> min = TileUtils.toMinLocation(placePosition);
+
+        DynamicRegion dynamicRegion = placement.constructor.apply(min.getKey(), min.getValue());
+        dynamicRegion.getArea().reset(new PasteBuilder(new PasteBuilder.FileProvider(dynamicRegion.getArea().getResetFile())), false);
+        DynamicRegionSystem.INSTANCE.getNeighbours(dynamicRegion).collect(Collectors.toList())
+                .forEach(r -> r.update(dynamicRegion));
+    }
+
+    private Pair<Integer, Integer> placePosition(Pair<Integer, Integer> sourceTile, Placement placement) {
+        Map<Pair<Integer, Integer>, Region> regionCache = new HashMap<>();
+        Set<Pair<Integer, Integer>> seen = new HashSet<>();
+        LinkedHashSet<Pair<Integer, Integer>> currentTile = new LinkedHashSet<>();
+        currentTile.add(sourceTile);
+        while (!currentTile.isEmpty() && currentTile.size() < (placement.widthX * 2 / 19) * (placement.widthZ * 2 / 19)) {
+            Pair<Integer, Integer> tile = currentTile.removeFirst();
+            if (!seen.add(tile)) continue;
+            if (canPlace(tile, placement, regionCache)) {
+                return tile;
+            }
+
+            for (int dx = -1; dx <= 1; dx++) {
+                for (int dz = -1; dz <= 1; dz++) {
+                    if (dx == 0 && dz == 0) continue;
+                    Pair<Integer, Integer> nextTile = new Pair<>(tile.getKey() + dx, tile.getValue() + dz);
+                    Region region = regionCache.computeIfAbsent(nextTile, tilePair -> Region.getRegion(TileUtils.toMinLocation(tilePair.getKey(), tilePair.getValue())));
+                    if (region.getType().isGlobal()) currentTile.add(nextTile);
+                }
+            }
+        }
+        return null;
+    }
+
+    private boolean canPlace(Pair<Integer, Integer> tile, Placement placement, Map<Pair<Integer, Integer>, Region> regionCache) {
+        for (int x = tile.getKey(); x < tile.getKey() + placement.widthX / TileUtils.tileSize; x++) {
+            for (int z = tile.getValue(); z < tile.getValue() + placement.widthZ / TileUtils.tileSize; z++) {
+                Region region = regionCache.computeIfAbsent(new Pair<>(x, z), tilePair -> Region.getRegion(TileUtils.toMinLocation(tilePair.getKey(), tilePair.getValue())));
+                if (region.getType().isGlobal()) continue;
+                return false;
+            }
+        }
+        return true;
+    }
+
+
+    @RequiredArgsConstructor
+    public enum Placement {
+        Path(PathRegion::new, 19, 19),
+        WetSpecial(WetSpecialRegion::new, 19, 19),
+        DrySpecial(DrySpecialRegion::new, 19, 19),
+        WarGearWork21(WarGear21WorkRegion::new, WarGear21WorkRegion.widthX, WarGear21WorkRegion.widthZ),
+        WarGearDisplay21(WarGear21DisplayRegion::new, WarGear21DisplayRegion.widthX, WarGear21DisplayRegion.widthZ),
+        MiniWarGearWork21(MiniWarGear21WorkRegion::new, MiniWarGear21WorkRegion.widthX, MiniWarGear21WorkRegion.widthZ),
+        MiniWarGearDisplay21(MiniWarGear21DisplayRegion::new, MiniWarGear21DisplayRegion.widthX, MiniWarGear21DisplayRegion.widthZ),
+        WarShipWork21(WarShip21WorkRegion::new, WarShip21WorkRegion.widthX, WarShip21WorkRegion.widthZ),
+        WarShipDisplay21(WarShip21DisplayRegion::new, WarShip21DisplayRegion.widthX, WarShip21DisplayRegion.widthZ),
+        MicroWarGearWork21(MicroWarGear21WorkRegion::new, MicroWarGear21WorkRegion.widthX, MicroWarGear21WorkRegion.widthZ),
+        MicroWarGearDisplay21(MicroWarGear21DisplayRegion::new, MicroWarGear21DisplayRegion.widthX, MicroWarGear21DisplayRegion.widthZ),
+        ;
+
+        private final BiFunction<Integer, Integer, DynamicRegion> constructor;
+        private final int widthX;
+        private final int widthZ;
+    }
+
+    @Register({"dynamic", "delete"})
+    public void deleteRegion(Player player) {
+        Region region = DynamicRegionSystem.INSTANCE.get(player.getLocation());
+        if (region.getType().isCannotDelete()) return;
+        ((DynamicRegion) region).delete();
+    }
+}

BauSystem/BauSystem_RegionDynamic/src/de/steamwar/bausystem/region/DynamicRegionSystem.java

@@ -0,0 +1,203 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.region;
+
+import com.comphenix.tinyprotocol.TinyProtocol;
+import de.steamwar.Reflection;
+import de.steamwar.bausystem.BauSystem;
+import de.steamwar.bausystem.region.dynamic.DynamicRegion;
+import de.steamwar.bausystem.region.dynamic.MovementListener;
+import de.steamwar.bausystem.region.dynamic.RegionDataRepository;
+import de.steamwar.bausystem.region.dynamic.global.GlobalRegion;
+import de.steamwar.bausystem.region.dynamic.path.PathRegion;
+import de.steamwar.bausystem.region.dynamic.spawn.SpawnPathRegion;
+import de.steamwar.bausystem.region.dynamic.spawn.SpawnRegion;
+import de.steamwar.bausystem.region.dynamic.spawn.SpawnResetter;
+import de.steamwar.core.Core;
+import de.steamwar.providers.BauServerInfo;
+import lombok.NonNull;
+import org.bukkit.Bukkit;
+import org.bukkit.Location;
+import org.bukkit.World;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.RecordComponent;
+import java.util.*;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+public class DynamicRegionSystem implements RegionSystem {
+
+    public static DynamicRegionSystem INSTANCE;
+    private static final World WORLD = Bukkit.getWorlds().get(0);
+
+    private static Map<UUID, Region> regionMap = new HashMap<>();
+
+    private Class<?> loginPacket = Reflection.getClass("net.minecraft.network.protocol.game.ClientboundLoginPacket");
+    private Class<?> commonPlayerSpawnInfo = Reflection.getClass("net.minecraft.network.protocol.game.CommonPlayerSpawnInfo");
+    private Reflection.Constructor loginPacketConstructor = Reflection.getConstructor(loginPacket, int.class, boolean.class, Set.class, int.class, int.class, int.class, boolean.class, boolean.class, boolean.class, commonPlayerSpawnInfo, boolean.class);
+    private Class<?> holderClass = Reflection.getClass("net.minecraft.core.Holder");
+    private Class<?> resourceKeyClass = Reflection.getClass("net.minecraft.resources.ResourceKey");
+    private Class<?> gameTypeClass = Reflection.getClass("net.minecraft.world.level.GameType");
+    private Reflection.Constructor commonPlayerSpawnInfoConstructor = Reflection.getConstructor(commonPlayerSpawnInfo, holderClass, resourceKeyClass, long.class, gameTypeClass, gameTypeClass, boolean.class, boolean.class, Optional.class, int.class, int.class);
+    private Class<?> minecraftKeyClass = Reflection.getClass("net.minecraft.resources.MinecraftKey");
+    private Reflection.Constructor resourceKeyConstructor = Reflection.getConstructor(resourceKeyClass, minecraftKeyClass, minecraftKeyClass);
+    private Reflection.Constructor minecraftKeyConstructor = Reflection.getConstructor(minecraftKeyClass, String.class, String.class);
+
+    @Override
+    public void load() {
+        INSTANCE = this;
+        // TODO: Extract into own PR
+        String identifier = BauServerInfo.getOwnerUser().getUUID().toString().replace("-", "");
+        Object resourceKey = resourceKeyConstructor.invoke(minecraftKeyConstructor.invoke("minecraft", "dimension"), minecraftKeyConstructor.invoke("steamwar", "bau/" + Core.getVersion() + "/" + identifier));
+        TinyProtocol.instance.addFilter(loginPacket, (player, o) -> {
+            RecordComponent[] components = loginPacket.getRecordComponents();
+            Object[] parameters_loginPacket = new Object[components.length];
+            for (int i = 0; i < components.length; i++) {
+                try {
+                    parameters_loginPacket[i] = components[i].getAccessor().invoke(o);
+                } catch (IllegalAccessException | InvocationTargetException e) {
+                    throw new RuntimeException(e);
+                }
+            }
+            parameters_loginPacket[2] = Set.of(resourceKey);
+
+            components = commonPlayerSpawnInfo.getRecordComponents();
+            Object[] parameters_commonPlayerSpawnInfo = new Object[components.length];
+            for (int i = 0; i < components.length; i++) {
+                try {
+                    parameters_commonPlayerSpawnInfo[i] = components[i].getAccessor().invoke(parameters_loginPacket[9]);
+                } catch (IllegalAccessException | InvocationTargetException e) {
+                    throw new RuntimeException(e);
+                }
+            }
+            parameters_commonPlayerSpawnInfo[1] = resourceKey;
+            parameters_loginPacket[9] = commonPlayerSpawnInfoConstructor.invoke(parameters_commonPlayerSpawnInfo);
+
+            return loginPacketConstructor.invoke(parameters_loginPacket);
+        });
+        new DynamicRegionCommand();
+        RegionDataRepository.loadRegions();
+        Bukkit.getPluginManager().registerEvents(new MovementListener(), BauSystem.getInstance());
+
+        if (regionMap.isEmpty()) { // TODO: Implement this in default region!
+            new SpawnRegion(-9, -9);
+            new SpawnPathRegion(-9, -28);
+            new SpawnPathRegion(-9, 10);
+            new SpawnPathRegion(-28, -9);
+            new SpawnPathRegion(10, -9);
+
+            new PathRegion(-28, -28);
+            new PathRegion(-28, 10);
+            new PathRegion(10, -28);
+            new PathRegion(10, 10);
+        }
+    }
+
+    public void add(DynamicRegion region) {
+        regionMap.put(region.getID(), region);
+    }
+
+    public void delete(DynamicRegion region) {
+        regionMap.remove(region.getID());
+    }
+
+    @Override
+    public void save() {
+    }
+
+    @Override
+    public @NonNull Location getWorldSpawn() {
+        if (SpawnResetter.isBigSpawn()) {
+            return SpawnResetter.BIG_WORLD_SPAWN;
+        } else {
+            return SpawnResetter.SMALL_WORLD_SPAWN;
+        }
+    }
+
+    @Override
+    public @NonNull Region getGlobalRegion() {
+        return GlobalRegion.INSTANCE;
+    }
+
+    // TODO: Optimize later on!
+    private Region get(Location location, Collection<Region> regions) {
+        return regions.stream()
+                .filter(region -> region.getArea().inRegion(location, false))
+                .findFirst()
+                .orElse(GlobalRegion.INSTANCE);
+    }
+
+    @Override
+    public @NonNull Region get(@NonNull Location location) {
+        return get(location, regionMap.values());
+    }
+
+    @Override
+    public Optional<Region> getRegion(@NonNull UUID id) {
+        return Optional.ofNullable(regionMap.get(id));
+    }
+
+    @Override
+    public @NonNull Stream<Region> getRegions() {
+        return regionMap.values().stream();
+    }
+
+    private Stream<DynamicRegion> getNeighbours(Region region, boolean noCorners, Collection<Region> regions) {
+        Point minPoint = region.getArea().getMinPoint(false).subtract(18, 0, 18);
+        Point maxPoint = region.getArea().getMaxPoint(false).add(19, 0, 19);
+        Set<Region> neighbours = new HashSet<>();
+        for (int x = minPoint.getX() + (noCorners ? 18 : 0); x <= maxPoint.getX() - (noCorners ? 19 : 0); x += 19) {
+            int minZ = minPoint.getZ();
+            int maxZ = maxPoint.getZ();
+            neighbours.add(get(new Location(WORLD, x, 0, minZ), regions));
+            neighbours.add(get(new Location(WORLD, x, 0, maxZ), regions));
+        }
+        for (int z = minPoint.getZ() + 18; z <= maxPoint.getZ() - 19; z += 19) {
+            int minX = minPoint.getX();
+            int maxX = maxPoint.getX();
+            neighbours.add(get(new Location(WORLD, minX, 0, z), regions));
+            neighbours.add(get(new Location(WORLD, maxX, 0, z), regions));
+        }
+        neighbours.remove(GlobalRegion.INSTANCE);
+        return ((Set<DynamicRegion>) (Set) neighbours).stream();
+    }
+
+    public Stream<DynamicRegion> getNeighbours(Region region) {
+        return getNeighbours(region, false, regionMap.values());
+    }
+
+    public Stream<DynamicRegion> getConnectedRegions(DynamicRegion region) {
+        Set<Region> regions = regionMap.values()
+                .stream()
+                .filter(r -> r.getType() == region.getType())
+                .collect(Collectors.toSet());
+
+        Set<DynamicRegion> connectedRegions = new HashSet<>();
+        LinkedHashSet<DynamicRegion> current = new LinkedHashSet<>();
+        current.add(region);
+        while (!current.isEmpty()) {
+            DynamicRegion r = current.removeFirst();
+            if (!connectedRegions.add(r)) continue;
+            getNeighbours(r, true, regions).forEach(current::add);
+        }
+        return connectedRegions.stream();
+    }
+}

BauSystem/BauSystem_RegionDynamic/src/de/steamwar/bausystem/region/dynamic/DefaultFlagStorage.java

@@ -0,0 +1,66 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.region.dynamic;
+
+import de.steamwar.bausystem.region.FlagOptional;
+import de.steamwar.bausystem.region.FlagStorage;
+import de.steamwar.bausystem.region.flags.Flag;
+import lombok.NonNull;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.function.Consumer;
+
+public abstract class DefaultFlagStorage implements FlagStorage {
+
+    protected Map<Flag<?>, Flag.Value<?>> flagMap = new HashMap<>();
+    private Consumer<FlagStorage> operation;
+
+    @Override
+    public <T extends Enum<T> & Flag.Value<T>> boolean set(@NonNull Flag<T> flag, @NonNull T value) {
+        if (has(flag).isWritable()) {
+            boolean result = flagMap.put(flag, value) != value;
+            if (operation != null) {
+                operation.accept(this);
+            }
+            return result;
+        } else {
+            return false;
+        }
+    }
+
+    @Override
+    public @NonNull <T extends Enum<T> & Flag.Value<T>> FlagOptional<T> get(@NonNull Flag<T> flag) {
+        return FlagOptional.of(flag, (T) flagMap.get(flag));
+    }
+
+    @Override
+    public Map<Flag<?>, Flag.Value<?>> getBackedMap() {
+        return flagMap;
+    }
+
+    public void setSaveOperation(Consumer<FlagStorage> operation) {
+        this.operation = operation;
+    }
+
+    public void save() {
+        operation.accept(this);
+    }
+}