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Gale/patches/server/0040-Reduce-entity-allocations.patch
2024-05-28 18:02:07 +08:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Martijn Muijsers <martijnmuijsers@live.nl>
Date: Wed, 23 Nov 2022 23:10:56 +0100
Subject: [PATCH] Reduce entity allocations
License: GPL-3.0 (https://www.gnu.org/licenses/gpl-3.0.html)
Gale - https://galemc.org
This patch is based on the following patch:
"Reduce entity allocations"
By: Paul Sauve <paul@technove.co>
As part of: Airplane (https://github.com/TECHNOVE/Airplane)
Licensed under: GPL-3.0 (https://www.gnu.org/licenses/gpl-3.0.html)
* Airplane copyright *
Airplane
Copyright (C) 2020 Technove LLC
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 7ff046e6e1e8f532ab7347beaeac898c57157cc2..2e784ad7c5e38ce74f3bcf0f20718422e3335c98 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -503,6 +503,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
return chunkMap.playerEntityTrackerTrackMaps[type.ordinal()].getObjectsInRange(MCUtil.getCoordinateKey(this));
}
// Paper end - optimise entity tracking
+
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 9ef8f014af332da129bfcd3370da983ec035ecc6..665fbe3362dcd9de4bd290b71a1b1f2fed218eeb 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
@@ -22,9 +22,11 @@ public class AttributeMap {
private final Map<Holder<Attribute>, AttributeInstance> attributes = new Object2ObjectOpenHashMap<>();
private final Set<AttributeInstance> dirtyAttributes = new ObjectOpenHashSet<>();
private final AttributeSupplier supplier;
+ private final java.util.function.Function<Holder<Attribute>, AttributeInstance> createInstance; // Gale - Airplane - reduce entity allocations
public AttributeMap(AttributeSupplier defaultAttributes) {
this.supplier = defaultAttributes;
+ this.createInstance = attributex -> this.supplier.createInstance(this::onAttributeModified, attributex); // Gale - Airplane - reduce entity allocations
}
private void onAttributeModified(AttributeInstance instance) {
@@ -43,7 +45,7 @@ public class AttributeMap {
@Nullable
public AttributeInstance getInstance(Holder<Attribute> attribute) {
- return this.attributes.computeIfAbsent(attribute, attributex -> this.supplier.createInstance(this::onAttributeModified, attributex));
+ return this.attributes.computeIfAbsent(attribute, this.createInstance); // Gale - Airplane - reduce entity allocations - cache lambda, as for some reason java allocates it anyways
}
public boolean hasAttribute(Holder<Attribute> attribute) {