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ClassInstanceMultiMap belongs to Minecraft vanilla entity storage. And is unused, since replaced by spottedleaf's entity storage (rewrite chunk system). However these patches might be useful for vanilla entity storage if is used.
75 lines
2.9 KiB
Diff
75 lines
2.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Taiyou06 <kaandindar21@gmail.com>
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Date: Sun, 16 Feb 2025 09:21:50 +0100
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Subject: [PATCH] Slightly optimise getNearestPlayer
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Original:
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Condition checks per iteration: ~3-4 (predicate check, distance check, and d comparison)
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Calculations per iteration: Distance calculation + potentially a multiplication
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Total operations: ~(5-6) × n
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Patch:
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Condition checks per iteration: 1 (just the distance comparison)
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Calculations per iteration: Distance calculation
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One-time operation: Convert distance to squared distance
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Total operations: ~3 × n (in the no-predicate case) or ~4 × n (with predicate)
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diff --git a/net/minecraft/world/level/EntityGetter.java b/net/minecraft/world/level/EntityGetter.java
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index 6a7d99c172c2f6fc30a4ffcb3cd7bfad92e27adc..aa1a7fe56388bc103958bce0af43dd41c3d43b04 100644
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--- a/net/minecraft/world/level/EntityGetter.java
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+++ b/net/minecraft/world/level/EntityGetter.java
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@@ -201,23 +201,43 @@ public interface EntityGetter extends ca.spottedleaf.moonrise.patches.chunk_syst
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}
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// Paper end - Affects Spawning API
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+ // Leaf start - Slightly optimise getNearestPlayer
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@Nullable
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default Player getNearestPlayer(double x, double y, double z, double distance, @Nullable Predicate<Entity> predicate) {
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- double d = -1.0;
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+ if (distance < 0.0) {
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+ distance = Double.MAX_VALUE;
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+ } else {
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+ distance = distance * distance;
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+ }
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+
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Player player = null;
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- for (Player player1 : this.players()) {
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- if (predicate == null || predicate.test(player1)) {
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+ List<? extends Player> players = this.players();
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+ if (predicate == null) {
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+ for (int i = 0, playersSize = players.size(); i < playersSize; i++) {
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+ Player player1 = players.get(i);
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double d1 = player1.distanceToSqr(x, y, z);
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- if ((distance < 0.0 || d1 < distance * distance) && (d == -1.0 || d1 < d)) {
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- d = d1;
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+ if (d1 < distance) {
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+ distance = d1;
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player = player1;
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}
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}
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+ } else {
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+ for (int i = 0, playersSize = players.size(); i < playersSize; i++) {
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+ Player player1 = players.get(i);
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+ if (predicate.test(player1)) {
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+ double d1 = player1.distanceToSqr(x, y, z);
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+ if (d1 < distance) {
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+ distance = d1;
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+ player = player1;
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+ }
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+ }
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+ }
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}
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return player;
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}
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+ // Leaf end - Slightly optimise getNearestPlayer
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// Paper start
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default List<org.bukkit.entity.HumanEntity> findNearbyBukkitPlayers(double x, double y, double z, double radius, boolean notSpectator) {
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