145 lines
4.3 KiB
Java
145 lines
4.3 KiB
Java
/*
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* This file is a part of the SteamWar software.
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*
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* Copyright (C) 2025 SteamWar.de-Serverteam
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package de.steamwar.bausystem.region;
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import de.steamwar.bausystem.region.flags.Flag;
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import de.steamwar.sql.SchematicNode;
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import lombok.NonNull;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.function.Function;
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public abstract class RegionData {
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protected RegionDataStore store;
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private final List<Property<?, ?>> properties = new ArrayList<>();
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protected final Map<Flag<?>, Flag.Value<?>> flagMap = new HashMap<>();
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protected final Property<SchematicNode, Integer> testblockSchematic = new Property<>("testblockSchematic", SchematicNode::byId, SchematicNode::getId);
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protected RegionData(RegionDataStore store) {
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this.store = store;
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initialize();
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store.loadRegionData(this);
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}
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public void setStore(RegionDataStore store) {
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this.store = store;
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store.loadRegionData(this);
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}
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protected void initialize() {
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}
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@NonNull
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public abstract <T extends Enum<T> & Flag.Value<T>> RegionFlagPolicy has(@NonNull Flag<T> flag);
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/**
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* Returns true if the flag was changed and did not already contain the provided value
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*/
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public final <T extends Enum<T> & Flag.Value<T>> boolean set(@NonNull Flag<T> flag, @NonNull T value) {
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if (has(flag).isWritable()) {
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if (flagMap.put(flag, value) != value) {
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store.saveRegionData(this);
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return true;
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}
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}
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return false;
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}
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@NonNull
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public final <T extends Enum<T> & Flag.Value<T>> FlagOptional<T> get(@NonNull Flag<T> flag) {
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return FlagOptional.of(flag, (T) flagMap.get(flag));
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}
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public final void clear() {
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for (Flag flag : Flag.getFlags()) {
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if (has(flag).isWritable()) {
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flagMap.remove(flag);
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}
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}
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properties.forEach(property -> property.set(null));
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store.saveRegionData(this);
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}
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public final Map<Flag<?>, Flag.Value<?>> getBackedMap() {
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return flagMap;
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}
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public final List<Property<Object, Object>> getBackedProperties() {
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return (List) properties;
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}
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public SchematicNode getTestblockSchematic() {
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return testblockSchematic.get();
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}
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public void setTestblockSchematic(SchematicNode schematic) {
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testblockSchematic.set(schematic);
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store.saveRegionData(this);
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}
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@Override
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public final String toString() {
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StringBuilder st = new StringBuilder();
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st.append(getClass().getSimpleName()).append("{");
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st.append("flagMap=").append(flagMap);
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for (Property<?, ?> p : properties) {
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st.append(p);
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}
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st.append("}");
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return st.toString();
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}
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public final class Property<T, K> {
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public final String field;
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public final Function<K, T> loader;
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public final Function<T, K> writer;
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private T value;
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private Property(String field, Function<K, T> loader, Function<T, K> writer) {
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this.field = field;
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this.loader = loader;
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this.writer = writer;
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properties.add(this);
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}
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public T get() {
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return value;
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}
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public void set(T value) {
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this.value = value;
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}
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@Override
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public String toString() {
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Object value = this.value;
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if (value != null) value = writer.apply((T) value);
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return ", " + field + "=" + value;
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}
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}
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}
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