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BiomeNMSImpl.java
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BiomeNMSImpl.java
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package com.denizenscript.denizen.nms.v1_19.impl;
import com.denizenscript.denizen.nms.NMSHandler;
import com.denizenscript.denizen.nms.abstracts.BiomeNMS;
import com.denizenscript.denizen.nms.v1_19.ReflectionMappingsInfo;
import com.denizenscript.denizencore.utilities.ReflectionHelper;
import com.denizenscript.denizencore.utilities.debugging.Debug;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Holder;
import net.minecraft.core.registries.Registries;
import net.minecraft.resources.ResourceKey;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.util.random.WeightedRandomList;
import net.minecraft.world.entity.MobCategory;
import net.minecraft.world.level.biome.Biome;
import net.minecraft.world.level.biome.BiomeSpecialEffects;
import net.minecraft.world.level.biome.MobSpawnSettings;
import net.minecraft.world.level.chunk.LevelChunk;
import org.bukkit.Location;
import org.bukkit.block.Block;
import org.bukkit.craftbukkit.v1_19_R3.CraftWorld;
import org.bukkit.craftbukkit.v1_19_R3.util.CraftLocation;
import org.bukkit.entity.EntityType;
import java.lang.invoke.MethodHandle;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.Optional;
public class BiomeNMSImpl extends BiomeNMS {
public static final MethodHandle BIOME_CLIMATESETTINGS_CONSTRUCTOR = ReflectionHelper.getConstructor(Biome.ClimateSettings.class, boolean.class, float.class, Biome.TemperatureModifier.class, float.class);
public Holder<Biome> biomeHolder;
public ServerLevel world;
public BiomeNMSImpl(ServerLevel world, String name) {
super(world.getWorld(), name);
this.world = world;
biomeHolder = world.registryAccess().registryOrThrow(Registries.BIOME).getHolder(ResourceKey.create(Registries.BIOME, new ResourceLocation(name))).orElse(null);
}
@Override
public DownfallType getDownfallTypeAt(Location location) {
Biome.Precipitation precipitation = biomeHolder.value().getPrecipitationAt(CraftLocation.toBlockPosition(location));
return switch (precipitation) {
case RAIN -> DownfallType.RAIN;
case SNOW -> DownfallType.SNOW;
case NONE -> DownfallType.NONE;
};
}
@Override
public float getHumidity() {
return biomeHolder.value().climateSettings.downfall();
}
@Override
public float getBaseTemperature() {
return biomeHolder.value().getBaseTemperature();
}
@Override
public float getTemperatureAt(Location location) {
return biomeHolder.value().getTemperature(CraftLocation.toBlockPosition(location));
}
@Override
public boolean hasDownfall() {
return biomeHolder.value().hasPrecipitation();
}
@Override
public List<EntityType> getAmbientEntities() {
return getSpawnableEntities(MobCategory.AMBIENT);
}
@Override
public List<EntityType> getCreatureEntities() {
return getSpawnableEntities(MobCategory.CREATURE);
}
@Override
public List<EntityType> getMonsterEntities() {
return getSpawnableEntities(MobCategory.MONSTER);
}
@Override
public List<EntityType> getWaterEntities() {
return getSpawnableEntities(MobCategory.WATER_CREATURE);
}
@Override
public int getFoliageColor() {
// Check if the biome already has a default color
if (biomeHolder.value().getFoliageColor() != 0) {
return biomeHolder.value().getFoliageColor();
}
// Based on net.minecraft.world.level.biome.Biome#getFoliageColorFromTexture()
float temperature = clampColor(getBaseTemperature());
float humidity = clampColor(getHumidity());
// Based on net.minecraft.world.level.FoliageColor#get()
humidity *= temperature;
int humidityValue = (int)((1.0f - humidity) * 255.0f);
int temperatureValue = (int)((1.0f - temperature) * 255.0f);
int index = temperatureValue << 8 | humidityValue;
return index >= 65536 ? 4764952 : getColor(index / 256, index % 256).asRGB();
}
public void setClimate(boolean hasPrecipitation, float temperature, Biome.TemperatureModifier temperatureModifier, float downfall) {
try {
Object newClimate = BIOME_CLIMATESETTINGS_CONSTRUCTOR.invoke(hasPrecipitation, temperature, temperatureModifier, downfall);
ReflectionHelper.setFieldValue(Biome.class, ReflectionMappingsInfo.Biome_climateSettings, biomeHolder.value(), newClimate);
}
catch (Throwable ex) {
Debug.echoError(ex);
}
}
@Override
public void setHumidity(float humidity) {
setClimate(hasDownfall(), getBaseTemperature(), getTemperatureModifier(), humidity);
}
@Override
public void setBaseTemperature(float baseTemperature) {
setClimate(hasDownfall(), baseTemperature, getTemperatureModifier(), getHumidity());
}
@Override
public void setHasDownfall(boolean hasDownfall) {
setClimate(hasDownfall, getBaseTemperature(), getTemperatureModifier(), getHumidity());
}
@Override
public void setFoliageColor(int color) {
ReflectionHelper.setFieldValue(BiomeSpecialEffects.class, ReflectionMappingsInfo.BiomeSpecialEffects_foliageColorOverride, biomeHolder.value().getSpecialEffects(), Optional.of(color));
}
@Override
public int getFogColor() {
return biomeHolder.value().getFogColor();
}
@Override
public void setFogColor(int color) {
ReflectionHelper.setFieldValue(BiomeSpecialEffects.class, ReflectionMappingsInfo.BiomeSpecialEffects_fogColor, biomeHolder.value().getSpecialEffects(), color);
}
@Override
public int getWaterFogColor() {
return biomeHolder.value().getWaterFogColor();
}
@Override
public void setWaterFogColor(int color) {
ReflectionHelper.setFieldValue(BiomeSpecialEffects.class, ReflectionMappingsInfo.BiomeSpecialEffects_waterFogColor, biomeHolder.value().getSpecialEffects(), color);
}
private List<EntityType> getSpawnableEntities(MobCategory creatureType) {
MobSpawnSettings mobs = biomeHolder.value().getMobSettings();
WeightedRandomList<MobSpawnSettings.SpawnerData> typeSettingList = mobs.getMobs(creatureType);
List<EntityType> entityTypes = new ArrayList<>();
if (typeSettingList == null) {
return entityTypes;
}
for (MobSpawnSettings.SpawnerData meta : typeSettingList.unwrap()) {
try {
String n = net.minecraft.world.entity.EntityType.getKey(meta.type).getPath();
EntityType et = EntityType.fromName(n);
if (et == null) {
et = EntityType.valueOf(n.toUpperCase(Locale.ENGLISH));
}
entityTypes.add(et);
}
catch (Throwable e) {
// Ignore the error. Likely from invalid entity type name output.
}
}
return entityTypes;
}
@Override
public void setTo(Block block) {
if (((CraftWorld) block.getWorld()).getHandle() != this.world) {
NMSHandler.instance.getBiomeNMS(block.getWorld(), getName()).setTo(block);
return;
}
// Based on CraftWorld source
BlockPos pos = new BlockPos(block.getX(), 0, block.getZ());
if (world.hasChunkAt(pos)) {
LevelChunk chunk = world.getChunkAt(pos);
if (chunk != null) {
chunk.setBiome(block.getX() >> 2, block.getY() >> 2, block.getZ() >> 2, biomeHolder);
chunk.setUnsaved(true);
}
}
}
public Biome.TemperatureModifier getTemperatureModifier() {
return biomeHolder.value().climateSettings.temperatureModifier();
}
}