Add 1.21 Scoreboard Support

2024-11-15 22:06:10 +01:00
parent a78974b903
commit 35ca8f3877
6 changed files with 231 additions and 81 deletions
@@ -0,0 +1,115 @@
+/*
+ *   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/>.
+ */
+
+package de.steamwar.scoreboard;
+
+import com.comphenix.tinyprotocol.Reflection;
+import com.comphenix.tinyprotocol.TinyProtocol;
+import de.steamwar.core.Core;
+import de.steamwar.core.FlatteningWrapper;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class SWScoreboard8 implements SWScoreboard.ISWScoreboard {
+    private static final Reflection.FieldAccessor<String> scoreboardName = Reflection.getField(FlatteningWrapper.scoreboardObjective, String.class, 0);
+    private static final Reflection.FieldAccessor<Integer> scoreboardAction = Reflection.getField(FlatteningWrapper.scoreboardObjective, int.class, Core.getVersion() > 15 ? 3 : 0);
+    private static final Class<?> scoreboardDisplayEnum = Reflection.getClass("{nms.world.scores.criteria}.IScoreboardCriteria$EnumScoreboardHealthDisplay");
+    private static final Reflection.FieldAccessor<?> scoreboardDisplayType = Reflection.getField(FlatteningWrapper.scoreboardObjective, scoreboardDisplayEnum, 0);
+    private static final Object displayTypeIntegers = scoreboardDisplayEnum.getEnumConstants()[0];
+
+    private static final Reflection.FieldAccessor<String> scoreName = Reflection.getField(FlatteningWrapper.scoreboardScore, String.class, 0);
+    private static final Reflection.FieldAccessor<String> scoreScoreboardName = Reflection.getField(FlatteningWrapper.scoreboardScore, String.class, 1);
+    private static final Reflection.FieldAccessor<Integer> scoreValue = Reflection.getField(FlatteningWrapper.scoreboardScore, int.class, 0);
+
+    private static final HashMap<Player, ScoreboardCallback> playerBoards = new HashMap<>(); //Object -> Scoreboard | Alle Versionen in der Map!
+    private static int toggle = 0; // Scoreboard 0 updates while scoreboard 1 is presenting. toggle marks the current active scoreboard
+
+    private static final String SIDEBAR = "Sidebar";
+    private static final Object[] DELETE_SCOREBOARD = new Object[2];
+    private static final Object[] DISPLAY_SIDEBAR = new Object[2];
+
+    static {
+        Class<?> scoreboardDisplayObjective = Reflection.getClass("{nms.network.protocol.game}.PacketPlayOutScoreboardDisplayObjective");
+        Reflection.FieldAccessor<String> scoreboardDisplayName = Reflection.getField(scoreboardDisplayObjective, String.class, 0);
+        Reflection.FieldAccessor<Integer> scoreboardDisplaySlot = Reflection.getField(scoreboardDisplayObjective, int.class, 0);
+        for(int id = 0; id < 2; id++) {
+            DELETE_SCOREBOARD[id] = Reflection.newInstance(FlatteningWrapper.scoreboardObjective);
+            scoreboardName.set(DELETE_SCOREBOARD[id], SIDEBAR + id);
+            scoreboardAction.set(DELETE_SCOREBOARD[id], 1); //1 to remove
+
+            DISPLAY_SIDEBAR[id] = Reflection.newInstance(scoreboardDisplayObjective);
+            scoreboardDisplayName.set(DISPLAY_SIDEBAR[id], SIDEBAR + id);
+            scoreboardDisplaySlot.set(DISPLAY_SIDEBAR[id], 1); // 1 = Sidebar
+        }
+
+        Bukkit.getScheduler().runTaskTimer(Core.getInstance(), () -> {
+            toggle ^= 1; // Toggle between 0 and 1
+
+            for(Map.Entry<Player, ScoreboardCallback> scoreboard : playerBoards.entrySet()) {
+                Player player = scoreboard.getKey();
+                ScoreboardCallback callback = scoreboard.getValue();
+
+                TinyProtocol.instance.sendPacket(player, DELETE_SCOREBOARD[toggle]);
+                TinyProtocol.instance.sendPacket(player, createSidebarPacket(callback.getTitle()));
+                for(Map.Entry<String, Integer> score : callback.getData().entrySet()){
+                    TinyProtocol.instance.sendPacket(player, createScorePacket(score.getKey(), score.getValue()));
+                }
+
+                Bukkit.getScheduler().runTaskLater(Core.getInstance(), () -> {
+                    if(!player.isOnline())
+                        return;
+                    TinyProtocol.instance.sendPacket(player, DISPLAY_SIDEBAR[toggle]);
+                }, 2);
+            }
+        }, 10, 5);
+    }
+
+    public boolean createScoreboard(Player player, ScoreboardCallback callback) {
+        playerBoards.put(player, callback);
+        return true;
+    }
+
+    public void removeScoreboard(Player player) {
+        if(playerBoards.remove(player) == null || !player.isOnline())
+            return;
+
+        TinyProtocol.instance.sendPacket(player, DELETE_SCOREBOARD[toggle]);
+    }
+
+    private static Object createSidebarPacket(String name){
+        Object packet = Reflection.newInstance(FlatteningWrapper.scoreboardObjective);
+        scoreboardName.set(packet, SIDEBAR + toggle);
+        scoreboardAction.set(packet, 0); //0 to create
+        FlatteningWrapper.impl.setScoreboardTitle(packet, name);
+        scoreboardDisplayType.set(packet, displayTypeIntegers);
+        return packet;
+    }
+
+    private static Object createScorePacket(String name, int value){
+        Object packet = Reflection.newInstance(FlatteningWrapper.scoreboardScore);
+        scoreName.set(packet, name);
+        scoreScoreboardName.set(packet, SIDEBAR + toggle);
+        scoreValue.set(packet, value);
+        FlatteningWrapper.impl.setScoreAction(packet);
+        return packet;
+    }
+}