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c5ecbe85d2
--------- Co-authored-by: MC-XiaoHei <xor7xiaohei@gmail.com> Co-authored-by: violetc <58360096+s-yh-china@users.noreply.github.com> Co-authored-by: Fortern <blueten.ki@gmail.com> Co-authored-by: Helvetica Volubi <88063803+Suisuroru@users.noreply.github.com>
39 lines
2.2 KiB
Diff
39 lines
2.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: violetc <58360096+s-yh-china@users.noreply.github.com>
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Date: Wed, 17 Aug 2022 10:48:18 +0800
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Subject: [PATCH] Reduce entity allocations
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This patch is Powered by Pufferfish(https://github.com/pufferfish-gg/Pufferfish)
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diff --git a/net/minecraft/world/entity/ai/attributes/AttributeMap.java b/net/minecraft/world/entity/ai/attributes/AttributeMap.java
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index fdb02fc40579866167e8cc9bcefbd961588b53a6..05c4a98966f7ed86dd658166caf0256566fd2985 100644
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--- a/net/minecraft/world/entity/ai/attributes/AttributeMap.java
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+++ b/net/minecraft/world/entity/ai/attributes/AttributeMap.java
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@@ -18,9 +18,11 @@ public class AttributeMap {
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private final Set<AttributeInstance> attributesToSync = new ObjectOpenHashSet<>();
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private final Set<AttributeInstance> attributesToUpdate = new ObjectOpenHashSet<>();
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private final AttributeSupplier supplier;
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+ private final java.util.function.Function<Holder<Attribute>, AttributeInstance> createInstance; // Leaves - reduce entity allocations
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public AttributeMap(AttributeSupplier supplier) {
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this.supplier = supplier;
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+ this.createInstance = attribute -> this.supplier.createInstance(this::onAttributeModified, attribute);
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}
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private void onAttributeModified(AttributeInstance instance) {
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@@ -44,7 +46,13 @@ public class AttributeMap {
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@Nullable
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public AttributeInstance getInstance(Holder<Attribute> attribute) {
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- return this.attributes.computeIfAbsent(attribute, holder -> this.supplier.createInstance(this::onAttributeModified, (Holder<Attribute>)holder));
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+ // Leaves start - cache lambda, as for some reason java allocates it anyways
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+ if (org.leavesmc.leaves.LeavesConfig.performance.reduceEntityAllocations) {
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+ return this.attributes.computeIfAbsent(attribute, this.createInstance);
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+ } else {
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+ return this.attributes.computeIfAbsent(attribute, holder -> this.supplier.createInstance(this::onAttributeModified, (Holder<Attribute>)holder));
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+ }
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+ // Leaves end - cache lambda, as for some reason java allocates it anyways
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}
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public boolean hasAttribute(Holder<Attribute> attribute) {
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