minecraft-src/net/minecraft/client/renderer/fog/environment/WaterFogEnvironment.java
2025-09-18 12:27:44 +00:00

72 lines
2.3 KiB
Java

package net.minecraft.client.renderer.fog.environment;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.Util;
import net.minecraft.client.Camera;
import net.minecraft.client.DeltaTracker;
import net.minecraft.client.multiplayer.ClientLevel;
import net.minecraft.client.player.LocalPlayer;
import net.minecraft.client.renderer.fog.FogData;
import net.minecraft.core.BlockPos;
import net.minecraft.tags.BiomeTags;
import net.minecraft.util.ARGB;
import net.minecraft.util.Mth;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.level.material.FogType;
import org.jetbrains.annotations.Nullable;
@Environment(EnvType.CLIENT)
public class WaterFogEnvironment extends FogEnvironment {
private static final int WATER_FOG_DISTANCE = 96;
private static final float BIOME_FOG_TRANSITION_TIME = 5000.0F;
private static int targetBiomeFog = -1;
private static int previousBiomeFog = -1;
private static long biomeChangedTime = -1L;
@Override
public void setupFog(FogData fogData, Entity entity, BlockPos pos, ClientLevel level, float renderDistance, DeltaTracker deltaTracker) {
fogData.environmentalStart = -8.0F;
fogData.environmentalEnd = 96.0F;
if (entity instanceof LocalPlayer localPlayer) {
fogData.environmentalEnd = fogData.environmentalEnd * Math.max(0.25F, localPlayer.getWaterVision());
if (level.getBiome(pos).is(BiomeTags.HAS_CLOSER_WATER_FOG)) {
fogData.environmentalEnd *= 0.85F;
}
}
fogData.skyEnd = fogData.environmentalEnd;
fogData.cloudEnd = fogData.environmentalEnd;
}
@Override
public boolean isApplicable(@Nullable FogType fogType, Entity entity) {
return fogType == FogType.WATER;
}
@Override
public int getBaseColor(ClientLevel level, Camera camera, int renderDistance, float partialTick) {
long l = Util.getMillis();
int i = level.getBiome(camera.getBlockPosition()).value().getWaterFogColor();
if (biomeChangedTime < 0L) {
targetBiomeFog = i;
previousBiomeFog = i;
biomeChangedTime = l;
}
float f = Mth.clamp((float)(l - biomeChangedTime) / 5000.0F, 0.0F, 1.0F);
int j = ARGB.lerp(f, previousBiomeFog, targetBiomeFog);
if (targetBiomeFog != i) {
targetBiomeFog = i;
previousBiomeFog = j;
biomeChangedTime = l;
}
return j;
}
@Override
public void onNotApplicable() {
biomeChangedTime = -1L;
}
}