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LeavesMC/patches/server/0032-Reduce-entity-allocations.patch
2023-09-28 18:12:42 +08:00

56 lines
2.9 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 005b4f012b308edf2016cb92b8b7ca526b628c4b..659d0c973b819b93010825ce2def5db4b12d3dff 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -434,6 +434,8 @@ 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 7204b973c3ad9239e82355513f6d538107102e48..4ee998ae0406d20e3106b7e51911d86313a2e2f8 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