171 lines
6.0 KiB
Java
171 lines
6.0 KiB
Java
/*
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*
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* MIT License
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*
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* Copyright (c) 2020 TerraForged
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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package com.terraforged.mod.biome.provider;
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import com.google.common.collect.Sets;
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import com.terraforged.core.cell.Cell;
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import com.terraforged.core.concurrent.Resource;
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import com.terraforged.mod.biome.map.BiomeMap;
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import com.terraforged.mod.biome.modifier.BiomeModifierManager;
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import com.terraforged.mod.chunk.TerraContext;
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import com.terraforged.mod.util.setup.SetupHooks;
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import com.terraforged.world.heightmap.WorldLookup;
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import com.terraforged.world.terrain.decorator.Decorator;
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import net.minecraft.util.math.BlockPos;
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import net.minecraft.world.biome.Biome;
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import net.minecraft.world.biome.BiomeManager;
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import net.minecraft.world.biome.ColumnFuzzedBiomeMagnifier;
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import net.minecraft.world.biome.provider.BiomeProvider;
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import java.util.Collections;
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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.Random;
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import java.util.Set;
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public class TerraBiomeProvider extends BiomeProvider {
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private final long seed;
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private final BiomeMap biomeMap;
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private final TerraContext context;
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private final WorldLookup worldLookup;
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private final BiomeModifierManager modifierManager;
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private final Map<Biome, List<Decorator>> decorators = new HashMap<>();
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public TerraBiomeProvider(TerraContext context) {
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super(BiomeHelper.getAllBiomes());
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this.context = context;
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this.seed = context.terraSettings.world.seed;
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this.biomeMap = BiomeHelper.createBiomeMap();
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this.worldLookup = new WorldLookup(context.factory, context);
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this.modifierManager = SetupHooks.setup(new BiomeModifierManager(context, biomeMap), context.copy());
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}
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public Resource<Cell> lookupPos(int x, int z) {
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return getWorldLookup().getCell(x, z);
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}
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public Biome getBiome(int x, int z) {
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try (Resource<Cell> resource = getWorldLookup().getCell(x, z, true)) {
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return getBiome(resource.get(), x, z);
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}
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}
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@Override
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public Biome getNoiseBiome(int x, int y, int z) {
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x = (x << 2);
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z = (z << 2);
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try (Resource<Cell> cell = lookupPos(x, z)) {
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return getBiome(cell.get(), x, z);
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}
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}
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@Override
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public Set<Biome> getBiomes(int centerX, int centerY, int centerZ, int radius) {
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int minX = centerX - radius >> 2;
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int minZ = centerZ - radius >> 2;
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int maxX = centerX + radius >> 2;
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int maxZ = centerZ + radius >> 2;
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int rangeX = maxX - minX + 1;
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int rangeZ = maxZ - minZ + 1;
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Set<Biome> set = Sets.newHashSet();
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Cell cell = new Cell();
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for(int dz = 0; dz < rangeZ; ++dz) {
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for(int dx = 0; dx < rangeX; ++dx) {
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int x = (minX + dx) << 2;
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int z = (minZ + dz) << 2;
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worldLookup.applyCell(cell, x, z);
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Biome biome = getBiome(cell, x, z);
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set.add(biome);
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}
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}
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return set;
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}
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@Override
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public BlockPos func_225531_a_(int centerX, int centerY, int centerZ, int range, List<Biome> biomes, Random random) {
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int minX = centerX - range >> 2;
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int minZ = centerZ - range >> 2;
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int maxX = centerX + range >> 2;
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int maxZ = centerZ + range >> 2;
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int rangeX = maxX - minX + 1;
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int rangeZ = maxZ - minZ + 1;
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int y = centerY >> 2;
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BlockPos blockpos = null;
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int attempts = 0;
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Cell cell = new Cell();
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for(int dz = 0; dz < rangeZ; ++dz) {
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for(int dx = 0; dx < rangeX; ++dx) {
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int x = (minX + dx) << 2;
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int z = (minZ + dz) << 2;
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worldLookup.applyCell(cell, x, z);
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if (biomes.contains(getBiome(cell, x, z))) {
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if (blockpos == null || random.nextInt(attempts + 1) == 0) {
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blockpos = new BlockPos(x, y, z);
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}
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++attempts;
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}
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}
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}
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return blockpos;
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}
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public Biome getSurfaceBiome(int x, int z, BiomeManager.IBiomeReader reader) {
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return ColumnFuzzedBiomeMagnifier.INSTANCE.getBiome(seed, x, 0, z, reader);
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}
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public WorldLookup getWorldLookup() {
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return worldLookup;
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}
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public TerraContext getContext() {
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return context;
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}
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public BiomeModifierManager getModifierManager() {
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return modifierManager;
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}
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public List<Decorator> getDecorators(Biome biome) {
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return decorators.getOrDefault(biome, Collections.emptyList());
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}
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public Biome getBiome(Cell cell, int x, int z) {
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Biome biome = biomeMap.provideBiome(cell, context.levels);
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if (modifierManager.hasModifiers(cell, context.levels)) {
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return modifierManager.modify(biome, cell, x, z);
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}
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return biome;
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}
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public boolean canSpawnAt(Cell cell) {
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return cell.terrain != context.terrain.ocean && cell.terrain != context.terrain.deepOcean;
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}
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}
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