287 lines
9.9 KiB
Java
287 lines
9.9 KiB
Java
/*
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* PlotSquared, a land and world management plugin for Minecraft.
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* Copyright (C) IntellectualSites <https://intellectualsites.com>
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* Copyright (C) IntellectualSites team and contributors
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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 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 General Public License for more details.
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*
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* You should have received a copy of the GNU 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 com.plotsquared.bukkit.generator;
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import com.plotsquared.bukkit.queue.GenChunk;
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import com.plotsquared.bukkit.util.BukkitUtil;
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import com.plotsquared.bukkit.util.BukkitWorld;
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import com.plotsquared.core.PlotSquared;
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import com.plotsquared.core.generator.GeneratorWrapper;
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import com.plotsquared.core.generator.IndependentPlotGenerator;
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import com.plotsquared.core.generator.SingleWorldGenerator;
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import com.plotsquared.core.location.ChunkWrapper;
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import com.plotsquared.core.plot.PlotArea;
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import com.plotsquared.core.plot.world.PlotAreaManager;
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import com.plotsquared.core.queue.ScopedQueueCoordinator;
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import com.plotsquared.core.util.ChunkManager;
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import com.sk89q.worldedit.math.BlockVector2;
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import org.bukkit.World;
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import org.bukkit.block.Biome;
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import org.bukkit.generator.BlockPopulator;
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import org.bukkit.generator.ChunkGenerator;
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import org.checkerframework.checker.nullness.qual.NonNull;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Random;
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import java.util.Set;
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public class BukkitPlotGenerator extends ChunkGenerator implements GeneratorWrapper<ChunkGenerator> {
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@SuppressWarnings("unused")
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public final boolean PAPER_ASYNC_SAFE = true;
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private final PlotAreaManager plotAreaManager;
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private final IndependentPlotGenerator plotGenerator;
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private final ChunkGenerator platformGenerator;
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private final boolean full;
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private final String levelName;
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private List<BlockPopulator> populators;
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private boolean loaded = false;
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public BukkitPlotGenerator(
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final @NonNull String name,
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final @NonNull IndependentPlotGenerator generator,
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final @NonNull PlotAreaManager plotAreaManager
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) {
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this.plotAreaManager = plotAreaManager;
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this.levelName = name;
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this.plotGenerator = generator;
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this.platformGenerator = this;
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this.populators = new ArrayList<>();
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int minecraftMinorVersion = PlotSquared.platform().serverVersion()[1];
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if (minecraftMinorVersion >= 17) {
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this.populators.add(new BlockStatePopulator(this.plotGenerator));
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} else {
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this.populators.add(new LegacyBlockStatePopulator(this.plotGenerator));
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}
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this.full = true;
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}
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public BukkitPlotGenerator(final String world, final ChunkGenerator cg, final @NonNull PlotAreaManager plotAreaManager) {
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if (cg instanceof BukkitPlotGenerator) {
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throw new IllegalArgumentException("ChunkGenerator: " + cg.getClass().getName()
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+ " is already a BukkitPlotGenerator!");
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}
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this.plotAreaManager = plotAreaManager;
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this.levelName = world;
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this.full = false;
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this.platformGenerator = cg;
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this.plotGenerator = new DelegatePlotGenerator(cg, world);
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}
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@Override
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public void augment(PlotArea area) {
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BukkitAugmentedGenerator.get(BukkitUtil.getWorld(area.getWorldName()));
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}
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@Override
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public boolean isFull() {
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return this.full;
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}
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@Override
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public IndependentPlotGenerator getPlotGenerator() {
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return this.plotGenerator;
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}
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@Override
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public ChunkGenerator getPlatformGenerator() {
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return this.platformGenerator;
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}
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@Override
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public @NonNull List<BlockPopulator> getDefaultPopulators(@NonNull World world) {
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try {
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checkLoaded(world);
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} catch (Exception e) {
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e.printStackTrace();
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}
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ArrayList<BlockPopulator> toAdd = new ArrayList<>();
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List<BlockPopulator> existing = world.getPopulators();
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if (populators == null && platformGenerator != null) {
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populators = new ArrayList<>(platformGenerator.getDefaultPopulators(world));
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}
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if (populators != null) {
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for (BlockPopulator populator : this.populators) {
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if (!existing.contains(populator)) {
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toAdd.add(populator);
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}
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}
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}
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return toAdd;
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}
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private synchronized void checkLoaded(@NonNull World world) {
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// Do not attempt to load configurations until WorldEdit has a platform ready.
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if (!PlotSquared.get().isWeInitialised()) {
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return;
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}
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if (!this.loaded) {
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String name = world.getName();
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PlotSquared.get().loadWorld(name, this);
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final Set<PlotArea> areas = this.plotAreaManager.getPlotAreasSet(name);
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if (!areas.isEmpty()) {
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PlotArea area = areas.iterator().next();
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if (!area.isMobSpawning()) {
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if (!area.isSpawnEggs()) {
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world.setSpawnFlags(false, false);
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}
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setSpawnLimits(world, 0);
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} else {
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world.setSpawnFlags(true, true);
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setSpawnLimits(world, -1);
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}
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}
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this.loaded = true;
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}
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}
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@SuppressWarnings("deprecation")
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private void setSpawnLimits(@NonNull World world, int limit) {
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world.setAmbientSpawnLimit(limit);
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world.setAnimalSpawnLimit(limit);
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world.setMonsterSpawnLimit(limit);
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world.setWaterAnimalSpawnLimit(limit);
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}
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/**
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* The entire method is deprecated, but kept for compatibility with versions lower than or equal to 1.16.2.
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* The method will be removed in future versions, because WorldEdit and FastAsyncWorldEdit only support the latest point
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* release.
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*/
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@Deprecated(forRemoval = true, since = "TODO")
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@Override
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public @NonNull ChunkData generateChunkData(
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@NonNull World world, @NonNull Random random, int x, int z,
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@NonNull BiomeGrid biome
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) {
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int minY = BukkitWorld.getMinWorldHeight(world);
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int maxY = BukkitWorld.getMaxWorldHeight(world);
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GenChunk result = new GenChunk(minY, maxY);
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if (this.getPlotGenerator() instanceof SingleWorldGenerator) {
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if (result.getChunkData() != null) {
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for (int chunkX = 0; chunkX < 16; chunkX++) {
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for (int chunkZ = 0; chunkZ < 16; chunkZ++) {
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for (int y = minY; y < maxY; y++) {
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biome.setBiome(chunkX, y, chunkZ, Biome.PLAINS);
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}
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}
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}
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return result.getChunkData();
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}
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}
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// Set the chunk location
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result.setChunk(new ChunkWrapper(world.getName(), x, z));
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// Set the result data
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result.setChunkData(createChunkData(world));
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result.biomeGrid = biome;
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result.result = null;
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// Catch any exceptions (as exceptions usually thrown)
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try {
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// Fill the result data if necessary
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if (this.platformGenerator != this) {
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return this.platformGenerator.generateChunkData(world, random, x, z, biome);
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} else {
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generate(BlockVector2.at(x, z), world, result);
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}
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} catch (Throwable e) {
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e.printStackTrace();
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}
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// Return the result data
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return result.getChunkData();
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}
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private void generate(BlockVector2 loc, World world, ScopedQueueCoordinator result) {
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// Load if improperly loaded
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if (!this.loaded) {
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checkLoaded(world);
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}
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// Process the chunk
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if (ChunkManager.preProcessChunk(loc, result)) {
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return;
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}
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PlotArea area = this.plotAreaManager.getPlotArea(world.getName(), null);
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if (area == null && (area = this.plotAreaManager.getPlotArea(this.levelName, null)) == null) {
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throw new IllegalStateException(
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"Cannot regenerate chunk that does not belong to a plot area." + " Location: " + loc
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+ ", world: " + world);
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}
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try {
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this.plotGenerator.generateChunk(result, area);
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} catch (Throwable e) {
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// Recover from generator error
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e.printStackTrace();
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}
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ChunkManager.postProcessChunk(loc, result);
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}
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@Override
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public boolean canSpawn(final @NonNull World world, final int x, final int z) {
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return true;
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}
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public boolean shouldGenerateCaves() {
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return false;
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}
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public boolean shouldGenerateDecorations() {
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return false;
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}
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public boolean isParallelCapable() {
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return true;
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}
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public boolean shouldGenerateMobs() {
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return false;
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}
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public boolean shouldGenerateStructures() {
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return true;
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}
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@Override
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public String toString() {
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if (this.platformGenerator == this) {
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return this.plotGenerator.getName();
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}
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if (this.platformGenerator == null) {
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return "null";
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} else {
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return this.platformGenerator.getClass().getName();
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}
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}
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@Override
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public boolean equals(final Object obj) {
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if (obj == null) {
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return false;
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}
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return toString().equals(obj.toString()) || toString().equals(obj.getClass().getName());
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}
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public String getLevelName() {
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return this.levelName;
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}
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}
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