ChunkProviderOverworldAccess.java

/*
 *  This file is part of Cubic Chunks Mod, licensed under the MIT License (MIT).
 *
 *  Copyright (c) 2015 contributors
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in
 *  all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 *  THE SOFTWARE.
 */
package cubicchunks.util;

import com.google.common.base.Throwables;

import net.minecraft.world.biome.Biome;
import net.minecraft.world.chunk.ChunkPrimer;
import net.minecraft.world.gen.ChunkProviderOverworld;
import net.minecraft.world.gen.ChunkProviderSettings;
import net.minecraft.world.gen.MapGenBase;
import net.minecraft.world.gen.structure.MapGenMineshaft;
import net.minecraft.world.gen.structure.MapGenScatteredFeature;
import net.minecraft.world.gen.structure.MapGenStronghold;
import net.minecraft.world.gen.structure.MapGenVillage;
import net.minecraft.world.gen.structure.StructureOceanMonument;

import java.lang.invoke.MethodHandle;
import java.util.Random;

import static cubicchunks.util.ReflectionUtil.getFieldGetterHandle;
import static cubicchunks.util.ReflectionUtil.getFieldSetterHandle;
import static cubicchunks.util.ReflectionUtil.getMethodHandle;

public class ChunkProviderOverworldAccess {
	private static MethodHandle getRand = fieldGetter("field_185990_i");
	private static MethodHandle setBlocksInChunk = method("func_185976_a");
	private static MethodHandle setBiomesForGeneration = fieldSetter("field_185981_C");
	private static MethodHandle getBiomesForGeneration = fieldGetter("field_185981_C");
	private static MethodHandle replaceBiomeBlocks = method("func_185977_a");
	private static MethodHandle getSettings = fieldGetter("field_186000_s");
	private static MethodHandle getCaveGenerator = fieldGetter("field_186003_v");
	private static MethodHandle getRavineGenerator = fieldGetter("field_185979_A");
	private static MethodHandle getMapFeaturesEnabled = fieldGetter("field_185996_o");
	private static MethodHandle getMineshaftGenerator = fieldGetter("field_186006_y");
	private static MethodHandle getVillageGenerator = fieldGetter("field_186005_x");
	private static MethodHandle getStrongholdGenerator = fieldGetter("field_186004_w");
	private static MethodHandle getScatteredFeatureGenerator = fieldGetter("field_186007_z");
	private static MethodHandle getOceanMonumentGenerator = fieldGetter("field_185980_B");

	private static MethodHandle fieldGetter(String srgName) {
		return getFieldGetterHandle(ChunkProviderOverworld.class, srgName);
	}

	private static MethodHandle fieldSetter(String srgName) {
		return getFieldSetterHandle(ChunkProviderOverworld.class, srgName);
	}

	private static MethodHandle method(String srgName) {
		return getMethodHandle(ChunkProviderOverworld.class, srgName);
	}

	public static final Random getRand(ChunkProviderOverworld prov) {
		try {
			return (Random) getRand.invoke(prov);
		} catch (Throwable throwable) {
			throw Throwables.propagate(throwable);
		}
	}

	public static final void setBlocksInChunk(ChunkProviderOverworld prov, int x, int z, ChunkPrimer primer) {
		try {
			setBlocksInChunk.invoke(prov, x, z, primer);
		} catch (Throwable throwable) {
			throw Throwables.propagate(throwable);
		}
	}

	public static final void setBiomesForGeneration(ChunkProviderOverworld prov, Biome[] arr) {
		try {
			setBiomesForGeneration.invoke(prov, arr);
		} catch (Throwable throwable) {
			throw Throwables.propagate(throwable);
		}
	}

	public static final Biome[] getBiomesForGeneration(ChunkProviderOverworld prov) {
		try {
			return (Biome[]) getBiomesForGeneration.invoke(prov);
		} catch (Throwable throwable) {
			throw Throwables.propagate(throwable);
		}
	}

	public static final void replaceBiomeBlocks(ChunkProviderOverworld prov, int x, int z, ChunkPrimer primer, Biome[] biomes) {
		try {
			replaceBiomeBlocks.invoke(prov, x, z, primer, biomes);
		} catch (Throwable throwable) {
			throw Throwables.propagate(throwable);
		}
	}

	public static final ChunkProviderSettings getSettings(ChunkProviderOverworld prov) {
		try {
			return (ChunkProviderSettings) getSettings.invoke(prov);
		} catch (Throwable throwable) {
			throw Throwables.propagate(throwable);
		}
	}

	public static final MapGenBase getCaveGenerator(ChunkProviderOverworld prov) {
		try {
			return (MapGenBase) getCaveGenerator.invoke(prov);
		} catch (Throwable throwable) {
			throw Throwables.propagate(throwable);
		}
	}

	public static final MapGenBase getRavineGenerator(ChunkProviderOverworld prov) {
		try {
			return (MapGenBase) getRavineGenerator.invoke(prov);
		} catch (Throwable throwable) {
			throw Throwables.propagate(throwable);
		}
	}

	public static final boolean getMapFeaturesEnabled(ChunkProviderOverworld prov) {
		try {
			return (Boolean) getMapFeaturesEnabled.invoke(prov);
		} catch (Throwable throwable) {
			throw Throwables.propagate(throwable);
		}
	}

	public static final MapGenMineshaft getMineshaftGenerator(ChunkProviderOverworld prov) {
		try {
			return (MapGenMineshaft) getMineshaftGenerator.invoke(prov);
		} catch (Throwable throwable) {
			throw Throwables.propagate(throwable);
		}
	}

	public static final MapGenVillage getVillageGenerator(ChunkProviderOverworld prov) {
		try {
			return (MapGenVillage) getVillageGenerator.invoke(prov);
		} catch (Throwable throwable) {
			throw Throwables.propagate(throwable);
		}
	}

	public static final MapGenStronghold getStrongholdGenerator(ChunkProviderOverworld prov) {
		try {
			return (MapGenStronghold) getStrongholdGenerator.invoke(prov);
		} catch (Throwable throwable) {
			throw Throwables.propagate(throwable);
		}
	}

	public static final MapGenScatteredFeature getScatteredFeatureGenerator(ChunkProviderOverworld prov) {
		try {
			return (MapGenScatteredFeature) getScatteredFeatureGenerator.invoke(prov);
		} catch (Throwable throwable) {
			throw Throwables.propagate(throwable);
		}
	}

	public static final StructureOceanMonument getOceanMonumentGenerator(ChunkProviderOverworld prov) {
		try {
			return (StructureOceanMonument) getOceanMonumentGenerator.invoke(prov);
		} catch (Throwable throwable) {
			throw Throwables.propagate(throwable);
		}
	}
}