138 lines
5 KiB
Java
138 lines
5 KiB
Java
package ru.bclib.mixin.client;
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import com.mojang.blaze3d.systems.RenderSystem;
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import net.minecraft.client.Camera;
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import net.minecraft.client.multiplayer.ClientLevel;
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import net.minecraft.client.renderer.FogRenderer;
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import net.minecraft.core.BlockPos.MutableBlockPos;
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import net.minecraft.util.Mth;
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import net.minecraft.world.effect.MobEffectInstance;
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import net.minecraft.world.effect.MobEffects;
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import net.minecraft.world.entity.Entity;
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import net.minecraft.world.entity.LivingEntity;
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import net.minecraft.world.level.Level;
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import net.minecraft.world.level.biome.Biome;
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import net.minecraft.world.level.material.FogType;
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import org.spongepowered.asm.mixin.Mixin;
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import org.spongepowered.asm.mixin.Shadow;
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import org.spongepowered.asm.mixin.injection.At;
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import org.spongepowered.asm.mixin.injection.Inject;
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import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
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import ru.bclib.api.BiomeAPI;
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import ru.bclib.util.BackgroundInfo;
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import ru.bclib.util.MHelper;
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import ru.bclib.world.biomes.BCLBiome;
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@Mixin(FogRenderer.class)
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public class BackgroundRendererMixin {
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private static final MutableBlockPos BCL_LAST_POS = new MutableBlockPos(0, -100, 0);
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private static final MutableBlockPos BCL_MUT_POS = new MutableBlockPos();
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private static final float[] BCL_FOG_DENSITY = new float[8];
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@Shadow
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private static float fogRed;
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@Shadow
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private static float fogGreen;
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@Shadow
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private static float fogBlue;
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@Inject(method = "setupColor", at = @At("RETURN"))
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private static void bcl_onRender(Camera camera, float tickDelta, ClientLevel world, int i, float f, CallbackInfo info) {
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FogType fogType = camera.getFluidInCamera();
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if (fogType != FogType.WATER && world.dimension().equals(Level.END)) {
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Entity entity = camera.getEntity();
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boolean skip = false;
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if (entity instanceof LivingEntity) {
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MobEffectInstance effect = ((LivingEntity) entity).getEffect(MobEffects.NIGHT_VISION);
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skip = effect != null && effect.getDuration() > 0;
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}
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if (!skip) {
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fogRed *= 4;
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fogGreen *= 4;
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fogBlue *= 4;
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}
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}
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BackgroundInfo.fogColorRed = fogRed;
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BackgroundInfo.fogColorGreen = fogGreen;
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BackgroundInfo.fogColorBlue = fogBlue;
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}
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@Inject(method = "setupFog", at = @At("HEAD"), cancellable = true)
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private static void bcl_fogDensity(Camera camera, FogRenderer.FogMode fogMode, float viewDistance, boolean thickFog, CallbackInfo info) {
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Entity entity = camera.getEntity();
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FogType fogType = camera.getFluidInCamera();
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if (fogType != FogType.WATER) {
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float fog = bcl_getFogDensity(entity.level, entity.getX(), entity.getEyeY(), entity.getZ());
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BackgroundInfo.fogDensity = fog;
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float start = viewDistance * 0.75F / fog;
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float end = viewDistance / fog;
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if (entity instanceof LivingEntity) {
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LivingEntity le = (LivingEntity) entity;
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MobEffectInstance effect = le.getEffect(MobEffects.BLINDNESS);
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if (effect != null) {
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int duration = effect.getDuration();
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if (duration > 20) {
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start = 0;
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end *= 0.03F;
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BackgroundInfo.blindness = 1;
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}
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else {
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float delta = (float) duration / 20F;
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BackgroundInfo.blindness = delta;
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start = Mth.lerp(delta, start, 0);
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end = Mth.lerp(delta, end, end * 0.03F);
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}
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}
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else {
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BackgroundInfo.blindness = 0;
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}
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}
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RenderSystem.setShaderFogStart(start);
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RenderSystem.setShaderFogEnd(end);
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info.cancel();
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}
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}
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private static float bcl_getFogDensityI(Level level, int x, int y, int z) {
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Biome biome = level.getBiome(BCL_MUT_POS.set(x, y, z));
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BCLBiome renderBiome = BiomeAPI.getRenderBiome(biome);
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return renderBiome.getFogDensity();
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}
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private static float bcl_getFogDensity(Level level, double x, double y, double z) {
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int x1 = (MHelper.floor(x) >> 3) << 3;
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int y1 = (MHelper.floor(y) >> 3) << 3;
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int z1 = (MHelper.floor(z) >> 3) << 3;
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float dx = (float) (x - x1) / 8F;
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float dy = (float) (y - y1) / 8F;
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float dz = (float) (z - z1) / 8F;
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if (BCL_LAST_POS.getX() != x1 || BCL_LAST_POS.getY() != y1 || BCL_LAST_POS.getZ() != z1) {
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int x2 = x1 + 8;
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int y2 = y1 + 8;
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int z2 = z1 + 8;
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BCL_LAST_POS.set(x1, y1, z1);
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BCL_FOG_DENSITY[0] = bcl_getFogDensityI(level, x1, y1, z1);
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BCL_FOG_DENSITY[1] = bcl_getFogDensityI(level, x2, y1, z1);
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BCL_FOG_DENSITY[2] = bcl_getFogDensityI(level, x1, y2, z1);
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BCL_FOG_DENSITY[3] = bcl_getFogDensityI(level, x2, y2, z1);
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BCL_FOG_DENSITY[4] = bcl_getFogDensityI(level, x1, y1, z2);
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BCL_FOG_DENSITY[5] = bcl_getFogDensityI(level, x2, y1, z2);
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BCL_FOG_DENSITY[6] = bcl_getFogDensityI(level, x1, y2, z2);
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BCL_FOG_DENSITY[7] = bcl_getFogDensityI(level, x2, y2, z2);
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}
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float a = Mth.lerp(dx, BCL_FOG_DENSITY[0], BCL_FOG_DENSITY[1]);
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float b = Mth.lerp(dx, BCL_FOG_DENSITY[2], BCL_FOG_DENSITY[3]);
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float c = Mth.lerp(dx, BCL_FOG_DENSITY[4], BCL_FOG_DENSITY[5]);
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float d = Mth.lerp(dx, BCL_FOG_DENSITY[6], BCL_FOG_DENSITY[7]);
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a = Mth.lerp(dy, a, b);
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b = Mth.lerp(dy, c, d);
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return Mth.lerp(dz, a, b);
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}
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}
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