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LeavesMC/patches/server/0034-Reduce-entity-allocations.patch
2023-03-19 17:30:46 +08:00

72 lines
3.7 KiB
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: violetc <58360096+s-yh-china@users.noreply.github.com>
Date: Wed, 17 Aug 2022 10:48:18 +0800
Subject: [PATCH] Reduce entity allocations
This patch is Powered by Pufferfish(https://github.com/pufferfish-gg/Pufferfish)
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 9c44cae6f624c845f8abd84061e2dc4157748c83..c0e7ea96effd44b75ef3afdeab29bc21277af6bd 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -416,6 +416,8 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
return this.originWorld;
}
// Paper end
+ // public final BlockPos.MutableBlockPos cachedBlockPos = new BlockPos.MutableBlockPos(); // Leaves - used where needed ?
+
public float getBukkitYaw() {
return this.yRot;
}
diff --git a/src/main/java/net/minecraft/world/entity/ai/attributes/AttributeMap.java b/src/main/java/net/minecraft/world/entity/ai/attributes/AttributeMap.java
index dd1102d5291ef6f18e82400a6d8a0a376cc071e9..53c094c8a674b2842009727569e7e1f6ac6510b7 100644
--- a/src/main/java/net/minecraft/world/entity/ai/attributes/AttributeMap.java
+++ b/src/main/java/net/minecraft/world/entity/ai/attributes/AttributeMap.java
@@ -23,9 +23,11 @@ public class AttributeMap {
private final Map<Attribute, AttributeInstance> attributes = Maps.newHashMap();
private final Set<AttributeInstance> dirtyAttributes = Sets.newHashSet();
private final AttributeSupplier supplier;
+ private final java.util.function.Function<Attribute, AttributeInstance> createInstance; // Leaves - reduce entity allocations
public AttributeMap(AttributeSupplier defaultAttributes) {
this.supplier = defaultAttributes;
+ this.createInstance = attribute -> this.supplier.createInstance(this::onAttributeModified, attribute);
}
private void onAttributeModified(AttributeInstance instance) {
@@ -47,9 +49,15 @@ public class AttributeMap {
@Nullable
public AttributeInstance getInstance(Attribute attribute) {
- return this.attributes.computeIfAbsent(attribute, (attributex) -> {
- return this.supplier.createInstance(this::onAttributeModified, attributex);
- });
+ // Leaves start - cache lambda, as for some reason java allocates it anyways
+ if (top.leavesmc.leaves.LeavesConfig.reduceEntityAllocations) {
+ return this.attributes.computeIfAbsent(attribute, this.createInstance);
+ } else {
+ return this.attributes.computeIfAbsent(attribute, (attributex) -> {
+ return this.supplier.createInstance(this::onAttributeModified, attributex);
+ });
+ }
+ // Leaves end - cache lambda, as for some reason java allocates it anyways
}
@Nullable
diff --git a/src/main/java/top/leavesmc/leaves/LeavesConfig.java b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
index d373eebef63a6f3edd0cdee1d06e2a992678b362..80f8fdaf3b9b208580422645d3fe3016da4f2b0e 100644
--- a/src/main/java/top/leavesmc/leaves/LeavesConfig.java
+++ b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
@@ -319,6 +319,11 @@ public final class LeavesConfig {
skipCloneLootParameters = getBoolean("settings.performance.skip-clone-loot-parameters", skipCloneLootParameters);
}
+ public static boolean reduceEntityAllocations = true;
+ private static void reduceEntityAllocations() {
+ reduceEntityAllocations = getBoolean("settings.performance.reduce-entity-allocations", reduceEntityAllocations);
+ }
+
public static final class WorldConfig {
public final String worldName;