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Cache light levels by position within SuperByteBuffer#renderInto

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tterrag 2020-11-27 23:46:25 -05:00
parent 4d564464c5
commit 1bebaa6faa
1 changed files with 14 additions and 6 deletions
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20
src/main/java/com/simibubi/create/foundation/utility/SuperByteBuffer.java
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@ -1,7 +1,7 @@
package com.simibubi.create.foundation.utility; package com.simibubi.create.foundation.utility;
import java.nio.ByteBuffer;
import java.nio.Buffer; import java.nio.Buffer;
import java.nio.ByteBuffer;
import java.nio.ByteOrder; import java.nio.ByteOrder;
import com.mojang.blaze3d.matrix.MatrixStack; import com.mojang.blaze3d.matrix.MatrixStack;
@ -9,6 +9,8 @@ import com.mojang.blaze3d.vertex.IVertexBuilder;
import com.mojang.datafixers.util.Pair; import com.mojang.datafixers.util.Pair;
import com.simibubi.create.foundation.block.render.SpriteShiftEntry; import com.simibubi.create.foundation.block.render.SpriteShiftEntry;
import it.unimi.dsi.fastutil.longs.Long2DoubleMap;
import it.unimi.dsi.fastutil.longs.Long2DoubleOpenHashMap;
import net.minecraft.client.Minecraft; import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.BufferBuilder; import net.minecraft.client.renderer.BufferBuilder;
import net.minecraft.client.renderer.BufferBuilder.DrawState; import net.minecraft.client.renderer.BufferBuilder.DrawState;
@ -77,6 +79,8 @@ public class SuperByteBuffer {
return (v - sprite.getMinV()) / f * 16.0F; return (v - sprite.getMinV()) / f * 16.0F;
} }
private static final Long2DoubleMap skyLightCache = new Long2DoubleOpenHashMap();
private static final Long2DoubleMap blockLightCache = new Long2DoubleOpenHashMap();
public void renderInto(MatrixStack input, IVertexBuilder builder) { public void renderInto(MatrixStack input, IVertexBuilder builder) {
ByteBuffer buffer = template; ByteBuffer buffer = template;
if (((Buffer)buffer).limit() == 0) if (((Buffer)buffer).limit() == 0)
@ -90,6 +94,8 @@ public class SuperByteBuffer {
.getModel(); .getModel();
t.multiply(localTransforms); t.multiply(localTransforms);
skyLightCache.clear();
blockLightCache.clear();
for (int i = 0; i < vertexCount(buffer); i++) { for (int i = 0; i < vertexCount(buffer); i++) {
float x = getX(buffer, i); float x = getX(buffer, i);
float y = getY(buffer, i); float y = getY(buffer, i);
@ -269,15 +275,17 @@ public class SuperByteBuffer {
private static int getLight(World world, Vector4f lightPos) { private static int getLight(World world, Vector4f lightPos) {
BlockPos.Mutable pos = new BlockPos.Mutable(); BlockPos.Mutable pos = new BlockPos.Mutable();
float sky = 0, block = 0; double sky = 0, block = 0;
float offset = 1 / 8f; float offset = 1 / 8f;
for (float zOffset = offset; zOffset >= -offset; zOffset -= 2 * offset) for (float zOffset = offset; zOffset >= -offset; zOffset -= 2 * offset) {
for (float yOffset = offset; yOffset >= -offset; yOffset -= 2 * offset) for (float yOffset = offset; yOffset >= -offset; yOffset -= 2 * offset) {
for (float xOffset = offset; xOffset >= -offset; xOffset -= 2 * offset) { for (float xOffset = offset; xOffset >= -offset; xOffset -= 2 * offset) {
pos.setPos(lightPos.getX() + xOffset, lightPos.getY() + yOffset, lightPos.getZ() + zOffset); pos.setPos(lightPos.getX() + xOffset, lightPos.getY() + yOffset, lightPos.getZ() + zOffset);
sky += world.getLightLevel(LightType.SKY, pos) / 8f; sky += skyLightCache.computeIfAbsent(pos.toLong(), $ -> world.getLightLevel(LightType.SKY, pos) / 8.0);
block += world.getLightLevel(LightType.BLOCK, pos) / 8f; block += blockLightCache.computeIfAbsent(pos.toLong(), $ -> world.getLightLevel(LightType.BLOCK, pos) / 8.0);
} }
}
}
return ((int) sky) << 20 | ((int) block) << 4; return ((int) sky) << 20 | ((int) block) << 4;
} }