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Leaf/leaf-server/minecraft-patches/features/0158-Replace-Entity-active-effects-map-with-optimized-col.patch
2025-06-28 10:37:38 +08:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Dreeam <61569423+Dreeam-qwq@users.noreply.github.com>
Date: Tue, 17 Sep 2024 02:35:13 -0400
Subject: [PATCH] Replace Entity active effects map with optimized collection
Dreeam TODO: check this
diff --git a/net/minecraft/world/entity/LivingEntity.java b/net/minecraft/world/entity/LivingEntity.java
index fdbe3d4d71ba30c8330760555e97ff436643a7a9..ba6d9a5df71e9aae9defedf5bbe12f49599123cb 100644
--- a/net/minecraft/world/entity/LivingEntity.java
+++ b/net/minecraft/world/entity/LivingEntity.java
@@ -196,6 +196,10 @@ public abstract class LivingEntity extends Entity implements Attackable {
};
private final AttributeMap attributes;
public CombatTracker combatTracker = new CombatTracker(this);
+ // Need to figure out the difference of mem access pattern between hash map and obj2obj hash map (separate chaining vs open addressing)
+ // Benchmark is needed for get calls for this active effects map.
+ // Also need to check whether call from out of main using bukkit api
+ //public final Map<Holder<MobEffect>, MobEffectInstance> activeEffects = new it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap<>(0); // Leaf - Replace Entity active effects map with optimized collection
public final Map<Holder<MobEffect>, MobEffectInstance> activeEffects = Maps.newHashMap();
private final Map<EquipmentSlot, ItemStack> lastEquipmentItems = Util.makeEnumMap(EquipmentSlot.class, slot -> ItemStack.EMPTY);
public boolean swinging;
@@ -990,15 +994,16 @@ public abstract class LivingEntity extends Entity implements Attackable {
private void updateSynchronizedMobEffectParticles() {
// Leaf start - Remove stream in entity visible effects filter
List<ParticleOptions> list = new java.util.ArrayList<>();
+ final Collection<MobEffectInstance> effectsValues = this.activeEffects.values(); // Leaf - Replace Entity active effects map with optimized collection
- for (MobEffectInstance effect : this.activeEffects.values()) {
+ for (MobEffectInstance effect : effectsValues) { // Leaf - Replace Entity active effects map with optimized collection
if (effect.isVisible()) {
list.add(effect.getParticleOptions());
}
}
// Leaf end - Remove stream in entity visible effects filter
this.entityData.set(DATA_EFFECT_PARTICLES, list);
- this.entityData.set(DATA_EFFECT_AMBIENCE_ID, areAllEffectsAmbient(this.activeEffects.values()));
+ this.entityData.set(DATA_EFFECT_AMBIENCE_ID, areAllEffectsAmbient(effectsValues)); // Leaf - Replace Entity active effects map with optimized collection
}
private void updateGlowingStatus() {