R3944Realms/ModernFix
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Shrink oversized PalettedContainers

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embeddedt 2023-05-02 19:19:57 -04:00
parent 47e01693c5
commit 71d7004d0c
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GPG Key ID: A69433EC199B5613
2 changed files with 40 additions and 0 deletions
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39
common/src/main/java/org/embeddedt/modernfix/common/mixin/perf/compact_bit_storage/PalettedContainerMixin.java Normal file
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@ -0,0 +1,39 @@
package org.embeddedt.modernfix.common.mixin.perf.compact_bit_storage;
import net.minecraft.network.FriendlyByteBuf;
import net.minecraft.world.level.chunk.PalettedContainer;
import org.jetbrains.annotations.Nullable;
import org.objectweb.asm.Opcodes;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Shadow;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
import org.spongepowered.asm.mixin.injection.callback.LocalCapture;
@Mixin(PalettedContainer.class)
public abstract class PalettedContainerMixin<T> {
@Shadow private volatile PalettedContainer.Data<T> data;
@Shadow protected abstract PalettedContainer.Data<T> createOrReuseData(@Nullable PalettedContainer.Data<T> data, int id);
@Inject(method = "read(Lnet/minecraft/network/FriendlyByteBuf;)V", at = @At(value = "FIELD", target = "Lnet/minecraft/world/level/chunk/PalettedContainer;data:Lnet/minecraft/world/level/chunk/PalettedContainer$Data;", opcode = Opcodes.PUTFIELD, shift = At.Shift.AFTER), locals = LocalCapture.CAPTURE_FAILHARD)
private void validateData(FriendlyByteBuf buffer, CallbackInfo ci, int i) {
if(i <= 1)
return;
long[] storArray = this.data.storage().getRaw();
boolean empty = true;
for (long l : storArray) {
if (l != 0) {
empty = false;
break;
}
}
if(empty && storArray.length > 0) {
/* it means the chunk is oversized and wasting memory, take the ID out of the palette and recreate a smaller chunk */
T value = this.data.palette().valueFor(0);
this.data = this.createOrReuseData(null, 0);
this.data.palette().idFor(value);
}
}
}

1
common/src/main/resources/modernfix.accesswidener
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@ -35,3 +35,4 @@ accessible method net/minecraft/resources/ResourceKey <init> (Lnet/minecraft/res
accessible method net/minecraft/client/renderer/texture/TextureAtlasSprite <init> (Lnet/minecraft/client/renderer/texture/TextureAtlas;Lnet/minecraft/client/renderer/texture/TextureAtlasSprite$Info;IIIIILcom/mojang/blaze3d/platform/NativeImage;)V accessible method net/minecraft/client/renderer/texture/TextureAtlasSprite <init> (Lnet/minecraft/client/renderer/texture/TextureAtlas;Lnet/minecraft/client/renderer/texture/TextureAtlasSprite$Info;IIIIILcom/mojang/blaze3d/platform/NativeImage;)V
accessible field net/minecraft/client/renderer/block/model/BlockModel GSON Lcom/google/gson/Gson; accessible field net/minecraft/client/renderer/block/model/BlockModel GSON Lcom/google/gson/Gson;
accessible class net/minecraft/server/level/ChunkMap$DistanceManager accessible class net/minecraft/server/level/ChunkMap$DistanceManager
accessible class net/minecraft/world/level/chunk/PalettedContainer$Data