Reworked biome per island generator.
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@ -1,122 +1,159 @@
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package ca.recrown.islandsurvivalcraft.world.generation;
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import java.util.Arrays;
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import org.bukkit.World;
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import org.bukkit.block.Biome;
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import ca.recrown.islandsurvivalcraft.caching.Cache;
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import ca.recrown.islandsurvivalcraft.caching.CacheValue;
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import ca.recrown.islandsurvivalcraft.caching.CoordinateIdentifier;
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import ca.recrown.islandsurvivalcraft.caching.Identifier;
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import ca.recrown.islandsurvivalcraft.pathfinding.CoordinateTargetValidatable;
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import ca.recrown.islandsurvivalcraft.pathfinding.CoordinateValidatable;
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import ca.recrown.islandsurvivalcraft.pathfinding.DepthFirstSearch;
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import ca.recrown.islandsurvivalcraft.world.BiomeSelector;
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import ca.recrown.islandsurvivalcraft.world.IslandWorldMapper;
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public class BiomePerIslandGenerator implements IslandBiomeGenerator, CoordinateTargetValidatable {
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//Note: technically, the validators have to be run on land, and so, some condition checks may not be nessecary.
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public class BiomePerIslandGenerator implements IslandBiomeGenerator, CoordinateValidatable, CoordinateTargetValidatable {
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private final Cache<ChunkBiomes> chunkBiomesCache;
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private final Cache<Boolean> chunkGenStatusCache;
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private final TemperatureMapGenerator temperatureMapGenerator;
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private boolean initialized;
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private IslandWorldMapper islandLocator;
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private IslandWorldMapper worldIslandMap;
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private BiomeSelector biomeSelector;
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private TemperatureMapGenerator temperatureMapGenerator;
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private World world;
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private DepthFirstSearch dfs;
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private Biome mainBiome;
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private Biome shoreBiome;
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private float temperature;
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private int chunkX, chunkZ;
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private Biome[][] chunkCache;
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private DepthFirstSearch mapWideDFS;
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private DepthFirstSearch propagator;
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private LocalIslandPropagator propagatorInfo;
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CoordinateIdentifier chunkCoords;
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ChunkBiomes localChunkBiomes;
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float temperature;
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public BiomePerIslandGenerator() {
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this.temperatureMapGenerator = new TemperatureMapGenerator();
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chunkCache = new Biome[16][16];
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chunkBiomesCache = new Cache<>(1024);
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chunkGenStatusCache = new Cache<>(1024);
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propagatorInfo = new LocalIslandPropagator();
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}
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@Override
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public void initialize(World world, IslandWorldMapper mapGenerator, BiomeSelector biomeSelector) {
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public void initialize(final World world, final IslandWorldMapper mapGenerator, final BiomeSelector biomeSelector) {
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if (initialized) throw new IllegalStateException("Biome generator already initialized.");
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initialized = true;
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this.islandLocator = mapGenerator;
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this.worldIslandMap = mapGenerator;
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this.biomeSelector = biomeSelector;
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this.world = world;
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this.temperatureMapGenerator.setSeed(world.getSeed());
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dfs = new DepthFirstSearch(2048, islandLocator);
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}
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@Override
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public boolean isCoordinateTarget(int x, int y) {
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//Should be ran for a island until finding biome info or until it looked for it's entirety and couldn't find it. This is one island.
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//First check if the chunk we're looking at is generated.
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if (world.isChunkGenerated(x/16, y/16)) {
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//If so, we know that the biomes have already been assigned, and can therefore use it.
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Biome foundBiome = world.getBiome(x, 0, y);
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if (islandLocator.isShore(x, y)) {
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this.shoreBiome = foundBiome;
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} else {
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this.mainBiome = foundBiome;
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}
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if (mainBiome != null && shoreBiome != null) {
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return true;
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}
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} else
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//If the same chunk, then do the same thing, except use the chunk biome cache instead to look for it.
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if (x/16 == chunkX && y/16 == chunkZ) {
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Biome foundBiome = chunkCache[Math.abs(x % 16)][Math.abs(y % 16)];
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if (foundBiome == null) return false;
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if (islandLocator.isShore(x, y)) {
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this.shoreBiome = foundBiome;
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} else {
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this.mainBiome = foundBiome;
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}
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if (mainBiome != null && shoreBiome != null) {
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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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@Override
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public Biome GenerateBiome(int chunkX, int chunkZ, int localX, int localZ) {
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int worldX = chunkX * 16 + localX;
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int worldZ = chunkZ * 16 + localZ;
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//Clear chunk cache if different chunk
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if (chunkX != this.chunkX || chunkZ != this.chunkZ) {
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this.chunkX = chunkX;
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this.chunkZ = chunkZ;
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for (int i = 0; i < chunkCache.length; i++) {
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Arrays.fill(chunkCache[i], null);
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}
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}
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if (islandLocator.isIsland(worldX, worldZ)) {
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if (mainBiome == null && shoreBiome == null) {
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dfs.setStartPosition(worldX, worldZ);
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if (!dfs.findTarget(this)) {
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temperature = temperatureMapGenerator.getTemperature(worldX, worldZ);
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mainBiome = biomeSelector.getLandBiome(temperature);
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shoreBiome = biomeSelector.getShoreBiome(mainBiome, temperature);
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}
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}
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} else {
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mainBiome = null;
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shoreBiome = null;
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}
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Biome designatedBiome = mainBiome;
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if (mainBiome == null) {
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designatedBiome = biomeSelector.getOceanBiome(temperatureMapGenerator.getTemperature(worldX, worldZ));
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} else if (islandLocator.isShore(worldX, worldZ)) {
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designatedBiome = shoreBiome;
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}
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chunkCache[localX][localZ] = designatedBiome;
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return designatedBiome;
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mapWideDFS = new DepthFirstSearch(worldIslandMap);
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mapWideDFS.setEndPosition(0, 0);
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propagator = new DepthFirstSearch(256, this);
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}
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@Override
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public IslandBiomeGenerator getInstance() {
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return new BiomePerIslandGenerator();
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}
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@Override
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public Biome GenerateBiome(final int chunkX, final int chunkZ, final int localX, final int localZ) {
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if (chunkCoords == null || chunkCoords.getX() != chunkX || chunkCoords.getY() != chunkZ) {
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chunkCoords = new CoordinateIdentifier(chunkX, chunkZ);
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chunkGenStatusCache.retrieveCache(chunkCoords).setValue(true);
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localChunkBiomes = new ChunkBiomes();
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chunkBiomesCache.retrieveCache(chunkCoords).setValue(localChunkBiomes);
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}
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int worldX = 16 * chunkX + localX;
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int worldZ = 16 * chunkZ + localZ;
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this.temperature = temperatureMapGenerator.getTemperature(worldX, worldZ);
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if (worldIslandMap.isIsland(worldX, worldZ) && localChunkBiomes.biomes[localX][localZ] == null) {
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mapWideDFS.setStartPosition(worldX, worldZ);
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if (!mapWideDFS.findTarget(this)) {
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if (propagatorInfo.mainBiome == null) propagatorInfo.mainBiome = biomeSelector.getLandBiome(temperature);
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if (propagatorInfo.shoreBiome == null) propagatorInfo.shoreBiome = biomeSelector.getShoreBiome(propagatorInfo.mainBiome, temperature);
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if (propagatorInfo.shallowBiome == null) propagatorInfo.shallowBiome = biomeSelector.getOceanBiome(temperature);
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}
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propagator.setStartPosition(worldX, worldZ);
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propagator.findTarget(propagatorInfo);
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}
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if (localChunkBiomes.biomes[localX][localZ] == null) {
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localChunkBiomes.biomes[localX][localZ] = biomeSelector.getOceanBiome(temperature);
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return biomeSelector.getOceanBiome(temperature);
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}
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return localChunkBiomes.biomes[localX][localZ];
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}
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@Override
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public boolean validate(int x, int y) {
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return (x / 16) == chunkCoords.getX() && (y / 16) == chunkCoords.getY() && worldIslandMap.isIsland(x, y);
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}
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@Override
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public boolean isCoordinateTarget(int x, int y) {
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if ((propagatorInfo.shoreBiome == null || propagatorInfo.mainBiome == null) && worldIslandMap.isLand(x, y)) {
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if (propagatorInfo.shoreBiome == null && worldIslandMap.isShore(x, y)) {
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propagatorInfo.shoreBiome = getBiomeAt(x, y);
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} else if (propagatorInfo.mainBiome != null) {
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propagatorInfo.mainBiome = getBiomeAt(x, y);
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}
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} else if (propagatorInfo.shallowBiome == null) {
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propagatorInfo.shallowBiome = getBiomeAt(x, y);
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}
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return (propagatorInfo.shallowBiome != null && propagatorInfo.mainBiome != null && propagatorInfo.shoreBiome != null);
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}
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private Biome getBiomeAt(int worldX, int worldZ) {
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int chunkX = worldX / 16;
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int chunkZ = worldZ / 16;
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int localX = Math.abs(worldX % 16);
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int localZ = Math.abs(worldZ % 16);
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Identifier chunkBiomeID = new CoordinateIdentifier(chunkX, chunkZ);
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Identifier chunkGenID = new CoordinateIdentifier(chunkX, chunkZ);
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CacheValue<ChunkBiomes> chunkBiomeVal = chunkBiomesCache.retrieveCache(chunkBiomeID);
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CacheValue<Boolean> chunkGenVal = chunkGenStatusCache.retrieveCache(chunkGenID);
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if (chunkGenVal.isEmpty()) chunkGenVal.setValue(world.isChunkGenerated(worldX / 16, worldZ / 16));
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if (chunkGenVal.getValue()) {
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if (chunkBiomeVal.isEmpty()) {
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chunkBiomeVal.setValue(new ChunkBiomes());
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}
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if (chunkBiomeVal.getValue().biomes[localX][localZ] == null) {
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chunkBiomeVal.getValue().biomes[localX][localZ] = world.getBiome(worldX, 0, worldZ);
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}
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return chunkBiomeVal.getValue().biomes[localX][localZ] = world.getBiome(worldX, 0, worldZ);
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}
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return null;
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}
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private class ChunkBiomes {
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public final Biome[][] biomes = new Biome[16][16];
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}
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private class LocalIslandPropagator implements CoordinateTargetValidatable {
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public Biome mainBiome = null;
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public Biome shoreBiome = null;
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public Biome shallowBiome = null;
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@Override
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public boolean isCoordinateTarget(int x, int y) {
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int localX = Math.abs(x % 16);
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int localZ = Math.abs(y % 16);
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if (worldIslandMap.isLand(x, y)) {
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if (worldIslandMap.isShore(x, y)) {
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localChunkBiomes.biomes[localX][localZ] = shoreBiome;
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} else {
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localChunkBiomes.biomes[localX][localZ] = mainBiome;
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}
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} else if (worldIslandMap.isShallowPortion(x, y)) {
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localChunkBiomes.biomes[localX][localZ] = shallowBiome;
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}
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return false;
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}
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}
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}
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