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Leaf/leaf-archived-patches/removed/1.21.3/server/0070-Moonrise-optimise-palette-reads.patch
Dreeam abf2fdbf03 Cleanup
2025-06-29 23:39:55 +08:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Thu, 24 Oct 2024 08:20:45 -0700
Subject: [PATCH] Moonrise: optimise palette reads
Removed since Leaf 1.21.3, Paper 1.21.3 included it
Original license: GPLv3
Original project:
- https://github.com/Tuinity/Moonrise
- https://github.com/PaperMC/Paper
This patch is based on the following mixin:
"ca/spottedleaf/moonrise/mixin/fast_palette/CrudeIncrementalIntIdentityHashBiMapMixin.java"
"ca/spottedleaf/moonrise/mixin/fast_palette/HashMapPaletteMixin.java"
"ca/spottedleaf/moonrise/mixin/fast_palette/LinearPaletteMixin.java"
"ca/spottedleaf/moonrise/mixin/fast_palette/PaletteMixin.java"
"ca/spottedleaf/moonrise/mixin/fast_palette/PalettedContainerMixin.java"
"ca/spottedleaf/moonrise/mixin/fast_palette/SingleValuePaletteMixin.java"
Replace palette read with optimised version
diff --git a/src/main/java/ca/spottedleaf/moonrise/patches/fast_palette/FastPalette.java b/src/main/java/ca/spottedleaf/moonrise/patches/fast_palette/FastPalette.java
new file mode 100644
index 0000000000000000000000000000000000000000..4a7abd239a9c59aa98947e7993962d75e9051902
--- /dev/null
+++ b/src/main/java/ca/spottedleaf/moonrise/patches/fast_palette/FastPalette.java
@@ -0,0 +1,9 @@
+package ca.spottedleaf.moonrise.patches.fast_palette;
+
+public interface FastPalette<T> {
+
+ public default T[] moonrise$getRawPalette(final FastPaletteData<T> src) {
+ return null;
+ }
+
+}
diff --git a/src/main/java/ca/spottedleaf/moonrise/patches/fast_palette/FastPaletteData.java b/src/main/java/ca/spottedleaf/moonrise/patches/fast_palette/FastPaletteData.java
new file mode 100644
index 0000000000000000000000000000000000000000..4503f3495846a7d7ed082b9e24636044e4fbccd1
--- /dev/null
+++ b/src/main/java/ca/spottedleaf/moonrise/patches/fast_palette/FastPaletteData.java
@@ -0,0 +1,9 @@
+package ca.spottedleaf.moonrise.patches.fast_palette;
+
+public interface FastPaletteData<T> {
+
+ public T[] moonrise$getPalette();
+
+ public void moonrise$setPalette(final T[] palette);
+
+}
diff --git a/src/main/java/net/minecraft/util/CrudeIncrementalIntIdentityHashBiMap.java b/src/main/java/net/minecraft/util/CrudeIncrementalIntIdentityHashBiMap.java
index 61dee55417bc802e25b9ba2f271d32d8c12844a9..5794ce906fd562f84f09f45ebb6d742dbc3ff3df 100644
--- a/src/main/java/net/minecraft/util/CrudeIncrementalIntIdentityHashBiMap.java
+++ b/src/main/java/net/minecraft/util/CrudeIncrementalIntIdentityHashBiMap.java
@@ -7,7 +7,7 @@ import java.util.Iterator;
import javax.annotation.Nullable;
import net.minecraft.core.IdMap;
-public class CrudeIncrementalIntIdentityHashBiMap<K> implements IdMap<K> {
+public class CrudeIncrementalIntIdentityHashBiMap<K> implements IdMap<K>, ca.spottedleaf.moonrise.patches.fast_palette.FastPalette<K> { // Moonrise - optimise palette reads
private static final int NOT_FOUND = -1;
private static final Object EMPTY_SLOT = null;
private static final float LOADFACTOR = 0.8F;
@@ -17,6 +17,16 @@ public class CrudeIncrementalIntIdentityHashBiMap<K> implements IdMap<K> {
private int nextId;
private int size;
+ // Moonrise start - optimise palette reads
+ private ca.spottedleaf.moonrise.patches.fast_palette.FastPaletteData<K> reference;
+
+ @Override
+ public final K[] moonrise$getRawPalette(final ca.spottedleaf.moonrise.patches.fast_palette.FastPaletteData<K> src) {
+ this.reference = src;
+ return this.byId;
+ }
+ // Moonrise end - optimise palette reads
+
private CrudeIncrementalIntIdentityHashBiMap(int size) {
this.keys = (K[])(new Object[size]);
this.values = new int[size];
@@ -88,6 +98,12 @@ public class CrudeIncrementalIntIdentityHashBiMap<K> implements IdMap<K> {
this.byId = crudeIncrementalIntIdentityHashBiMap.byId;
this.nextId = crudeIncrementalIntIdentityHashBiMap.nextId;
this.size = crudeIncrementalIntIdentityHashBiMap.size;
+ // Moonrise start - optimise palette reads
+ final ca.spottedleaf.moonrise.patches.fast_palette.FastPaletteData<K> ref = this.reference;
+ if (ref != null) {
+ ref.moonrise$setPalette(this.byId);
+ }
+ // Moonrise end - optimise palette reads
}
public void addMapping(K value, int id) {
diff --git a/src/main/java/net/minecraft/world/level/chunk/HashMapPalette.java b/src/main/java/net/minecraft/world/level/chunk/HashMapPalette.java
index c5e1040c239874dcf20b79472bf690ee7f0a9e5f..02b97e22fd9a122cc8f1628ef3205e87145a89fb 100644
--- a/src/main/java/net/minecraft/world/level/chunk/HashMapPalette.java
+++ b/src/main/java/net/minecraft/world/level/chunk/HashMapPalette.java
@@ -8,12 +8,19 @@ import net.minecraft.network.FriendlyByteBuf;
import net.minecraft.network.VarInt;
import net.minecraft.util.CrudeIncrementalIntIdentityHashBiMap;
-public class HashMapPalette<T> implements Palette<T> {
+public class HashMapPalette<T> implements Palette<T>, ca.spottedleaf.moonrise.patches.fast_palette.FastPalette<T> { // Moonrise - optimise palette reads
private final IdMap<T> registry;
private final CrudeIncrementalIntIdentityHashBiMap<T> values;
private final PaletteResize<T> resizeHandler;
private final int bits;
+ // Moonrise start - optimise palette reads
+ @Override
+ public final T[] moonrise$getRawPalette(final ca.spottedleaf.moonrise.patches.fast_palette.FastPaletteData<T> container) {
+ return ((ca.spottedleaf.moonrise.patches.fast_palette.FastPalette<T>) this.values).moonrise$getRawPalette(container);
+ }
+ // Moonrise end - optimise palette reads
+
public HashMapPalette(IdMap<T> idList, int bits, PaletteResize<T> listener, List<T> entries) {
this(idList, bits, listener);
entries.forEach(this.values::add);
diff --git a/src/main/java/net/minecraft/world/level/chunk/LinearPalette.java b/src/main/java/net/minecraft/world/level/chunk/LinearPalette.java
index f4c3f2a49b8d023b8ef67529eba30cf31467d8bf..e070b9d805b86c0cf08804d1b14e580ab9986d7d 100644
--- a/src/main/java/net/minecraft/world/level/chunk/LinearPalette.java
+++ b/src/main/java/net/minecraft/world/level/chunk/LinearPalette.java
@@ -7,13 +7,20 @@ import net.minecraft.network.FriendlyByteBuf;
import net.minecraft.network.VarInt;
import org.apache.commons.lang3.Validate;
-public class LinearPalette<T> implements Palette<T> {
+public class LinearPalette<T> implements Palette<T>, ca.spottedleaf.moonrise.patches.fast_palette.FastPalette<T> { // Moonrise - optimise palette reads
private final IdMap<T> registry;
private final T[] values;
private final PaletteResize<T> resizeHandler;
private final int bits;
private int size;
+ // Moonrise start - optimise palette reads
+ @Override
+ public final T[] moonrise$getRawPalette(final ca.spottedleaf.moonrise.patches.fast_palette.FastPaletteData<T> container) {
+ return this.values;
+ }
+ // Moonrise end - optimise palette reads
+
private LinearPalette(IdMap<T> idList, int bits, PaletteResize<T> listener, List<T> list) {
this.registry = idList;
this.values = (T[])(new Object[1 << bits]);
diff --git a/src/main/java/net/minecraft/world/level/chunk/Palette.java b/src/main/java/net/minecraft/world/level/chunk/Palette.java
index e379f39cc6e03723a5323d8392b4c10bfde65115..91b16f0df26daa45f5a30eb36bdc9adac794779a 100644
--- a/src/main/java/net/minecraft/world/level/chunk/Palette.java
+++ b/src/main/java/net/minecraft/world/level/chunk/Palette.java
@@ -5,7 +5,7 @@ import java.util.function.Predicate;
import net.minecraft.core.IdMap;
import net.minecraft.network.FriendlyByteBuf;
-public interface Palette<T> {
+public interface Palette<T> extends ca.spottedleaf.moonrise.patches.fast_palette.FastPalette<T> { // Moonrise - optimise palette reads
int idFor(T object);
boolean maybeHas(Predicate<T> predicate);
diff --git a/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java b/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java
index 15f3f68dfa933432f163218ccc9f66b9baef0d9d..b14d0f8247b092ce3b655971397e301ed7b2a21e 100644
--- a/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java
+++ b/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java
@@ -57,6 +57,33 @@ public class PalettedContainer<T> implements PaletteResize<T>, PalettedContainer
// this.threadingDetector.checkAndUnlock(); // Paper - disable this
}
+ // Moonrise start - optimise palette reads
+ private void updateData(final PalettedContainer.Data<T> data) {
+ if (data != null) {
+ ((ca.spottedleaf.moonrise.patches.fast_palette.FastPaletteData<T>) (Object) data).moonrise$setPalette(
+ ((ca.spottedleaf.moonrise.patches.fast_palette.FastPalette<T>) data.palette).moonrise$getRawPalette((ca.spottedleaf.moonrise.patches.fast_palette.FastPaletteData<T>) (Object) data)
+ );
+ }
+ }
+
+ private T readPaletteSlow(final PalettedContainer.Data<T> data, final int paletteIdx) {
+ return data.palette.valueFor(paletteIdx);
+ }
+
+ private T readPalette(final PalettedContainer.Data<T> data, final int paletteIdx) {
+ final T[] palette = ((ca.spottedleaf.moonrise.patches.fast_palette.FastPaletteData<T>) (Object) data).moonrise$getPalette();
+ if (palette == null) {
+ return this.readPaletteSlow(data, paletteIdx);
+ }
+
+ final T ret = palette[paletteIdx];
+ if (ret == null) {
+ throw new IllegalArgumentException("Palette index out of bounds");
+ }
+ return ret;
+ }
+ // Moonrise end - optimise palette reads
+
// Paper start - Anti-Xray - Add preset values
@Deprecated @io.papermc.paper.annotation.DoNotUse public static <T> Codec<PalettedContainer<T>> codecRW(IdMap<T> idList, Codec<T> entryCodec, PalettedContainer.Strategy paletteProvider, T defaultValue) { return PalettedContainer.codecRW(idList, entryCodec, paletteProvider, defaultValue, null); }
public static <T> Codec<PalettedContainer<T>> codecRW(IdMap<T> idList, Codec<T> entryCodec, PalettedContainer.Strategy paletteProvider, T defaultValue, T @org.jetbrains.annotations.Nullable [] presetValues) {
@@ -129,6 +156,7 @@ public class PalettedContainer<T> implements PaletteResize<T>, PalettedContainer
}
}
// Paper end
+ this.updateData(this.data); // Moonrise - optimise palette reads
}
// Paper start - Anti-Xray - Add preset values
@@ -138,6 +166,7 @@ public class PalettedContainer<T> implements PaletteResize<T>, PalettedContainer
this.registry = idList;
this.strategy = paletteProvider;
this.data = data;
+ this.updateData(this.data); // Moonrise - optimise palette reads
}
// Paper start - Anti-Xray - Add preset values
@@ -149,6 +178,7 @@ public class PalettedContainer<T> implements PaletteResize<T>, PalettedContainer
this.registry = idList;
this.data = this.createOrReuseData(null, 0);
this.data.palette.idFor(object);
+ this.updateData(this.data); // Moonrise - optimise palette reads
}
private PalettedContainer.Data<T> createOrReuseData(@Nullable PalettedContainer.Data<T> previousData, int bits) {
@@ -175,6 +205,7 @@ public class PalettedContainer<T> implements PaletteResize<T>, PalettedContainer
data2.copyFrom(data.palette, data.storage);
this.data = data2;
this.addPresetValues();
+ this.updateData(this.data); // Moonrise - optimise palette reads
return object == null ? -1 : data2.palette.idFor(object);
// Paper end
}
@@ -207,9 +238,12 @@ public class PalettedContainer<T> implements PaletteResize<T>, PalettedContainer
}
private synchronized T getAndSet(int index, T value) { // Paper - synchronize
- int i = this.data.palette.idFor(value);
- int j = this.data.storage.getAndSet(index, i);
- return this.data.palette.valueFor(j);
+ // Moonrise start - optimise palette reads
+ final int paletteIdx = this.data.palette.idFor(value);
+ final PalettedContainer.Data<T> data = this.data;
+ final int prev = data.storage.getAndSet(index, paletteIdx);
+ return this.readPalette(data, prev);
+ // Moonrise end - optimise palette reads
}
public void set(int x, int y, int z, T value) {
@@ -233,8 +267,10 @@ public class PalettedContainer<T> implements PaletteResize<T>, PalettedContainer
}
public T get(int index) { // Paper - public
- PalettedContainer.Data<T> data = this.data;
- return data.palette.valueFor(data.storage.get(index));
+ // Moonrise start - optimise palette reads
+ final PalettedContainer.Data<T> data = this.data;
+ return this.readPalette(data, data.storage.get(index));
+ // Moonrise end - optimise palette reads
}
@Override
@@ -255,6 +291,7 @@ public class PalettedContainer<T> implements PaletteResize<T>, PalettedContainer
buf.readLongArray(data.storage.getRaw());
this.data = data;
this.addPresetValues(); // Paper - Anti-Xray - Add preset values (inefficient, but this isn't used by the server)
+ this.updateData(this.data); // Moonrise - optimise palette reads
} finally {
this.release();
}
@@ -450,7 +487,44 @@ public class PalettedContainer<T> implements PaletteResize<T>, PalettedContainer
void accept(T object, int count);
}
- static record Data<T>(PalettedContainer.Configuration<T> configuration, BitStorage storage, Palette<T> palette) {
+ // Moonrise start - optimise palette reads
+ public static final class Data<T> implements ca.spottedleaf.moonrise.patches.fast_palette.FastPaletteData<T> {
+
+ private final PalettedContainer.Configuration<T> configuration;
+ private final BitStorage storage;
+ private final Palette<T> palette;
+
+ private T[] moonrise$palette;
+
+ public Data(final PalettedContainer.Configuration<T> configuration, final BitStorage storage, final Palette<T> palette) {
+ this.configuration = configuration;
+ this.storage = storage;
+ this.palette = palette;
+ }
+
+ public PalettedContainer.Configuration<T> configuration() {
+ return this.configuration;
+ }
+
+ public BitStorage storage() {
+ return this.storage;
+ }
+
+ public Palette<T> palette() {
+ return this.palette;
+ }
+
+ @Override
+ public final T[] moonrise$getPalette() {
+ return this.moonrise$palette;
+ }
+
+ @Override
+ public final void moonrise$setPalette(final T[] palette) {
+ this.moonrise$palette = palette;
+ }
+
+ // Moonrise end - optimise palette reads
public void copyFrom(Palette<T> palette, BitStorage storage) {
for (int i = 0; i < storage.getSize(); i++) {
T object = palette.valueFor(storage.get(i));
diff --git a/src/main/java/net/minecraft/world/level/chunk/SingleValuePalette.java b/src/main/java/net/minecraft/world/level/chunk/SingleValuePalette.java
index 24b608cfcd6f39db02e682e5d8162dc4ad9fd6d6..868ebabdcb76f4c61c9fb01e8cc75ab77845f29c 100644
--- a/src/main/java/net/minecraft/world/level/chunk/SingleValuePalette.java
+++ b/src/main/java/net/minecraft/world/level/chunk/SingleValuePalette.java
@@ -8,12 +8,24 @@ import net.minecraft.network.FriendlyByteBuf;
import net.minecraft.network.VarInt;
import org.apache.commons.lang3.Validate;
-public class SingleValuePalette<T> implements Palette<T> {
+public class SingleValuePalette<T> implements Palette<T>, ca.spottedleaf.moonrise.patches.fast_palette.FastPalette<T> { // Moonrise - optimise palette reads
private final IdMap<T> registry;
@Nullable
private T value;
private final PaletteResize<T> resizeHandler;
+ // Moonrise start - optimise palette reads
+ private T[] rawPalette;
+
+ @Override
+ public final T[] moonrise$getRawPalette(final ca.spottedleaf.moonrise.patches.fast_palette.FastPaletteData<T> container) {
+ if (this.rawPalette != null) {
+ return this.rawPalette;
+ }
+ return this.rawPalette = (T[]) new Object[]{this.value};
+ }
+ // Moonrise end - optimise palette reads
+
public SingleValuePalette(IdMap<T> idList, PaletteResize<T> listener, List<T> entries) {
this.registry = idList;
this.resizeHandler = listener;
@@ -33,6 +45,11 @@ public class SingleValuePalette<T> implements Palette<T> {
return this.resizeHandler.onResize(1, object);
} else {
this.value = object;
+ // Moonrise start - optimise palette reads
+ if (this.rawPalette != null) {
+ this.rawPalette[0] = object;
+ }
+ // Moonrise end - optimise palette reads
return 0;
}
}
@@ -58,6 +75,11 @@ public class SingleValuePalette<T> implements Palette<T> {
@Override
public void read(FriendlyByteBuf buf) {
this.value = this.registry.byIdOrThrow(buf.readVarInt());
+ // Moonrise start - optimise palette reads
+ if (this.rawPalette != null) {
+ this.rawPalette[0] = this.value;
+ }
+ // Moonrise end - optimise palette reads
}
@Override
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