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f40d340092
--------- Co-authored-by: MC_XiaoHei <xiaohei.xor7studio@foxmail.com> Co-authored-by: Bluemangoo <chenfy2006@qq.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/src/main/java/net/minecraft/world/entity/ai/attributes/AttributeMap.java b/src/main/java/net/minecraft/world/entity/ai/attributes/AttributeMap.java
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index 9ef8f014af332da129bfcd3370da983ec035ecc6..1e5f018ea357c3431d5aabbe435ce7d922f5c3bf 100644
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--- a/src/main/java/net/minecraft/world/entity/ai/attributes/AttributeMap.java
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+++ b/src/main/java/net/minecraft/world/entity/ai/attributes/AttributeMap.java
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@@ -22,9 +22,11 @@ public class AttributeMap {
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private final Map<Holder<Attribute>, AttributeInstance> attributes = new Object2ObjectOpenHashMap<>();
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private final Set<AttributeInstance> dirtyAttributes = 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 defaultAttributes) {
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this.supplier = defaultAttributes;
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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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@@ -43,7 +45,13 @@ 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, attributex -> this.supplier.createInstance(this::onAttributeModified, attributex));
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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.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, attributex -> this.supplier.createInstance(this::onAttributeModified, attributex));
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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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