mirror of https://github.com/PaperMC/Paper.git
48 lines
2.1 KiB
Diff
48 lines
2.1 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Thu, 3 Mar 2016 02:02:07 -0600
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Subject: [PATCH] Optimize Pathfinding
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Prevents pathfinding from spamming failures for things such as
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arrow attacks.
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diff --git a/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
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index 188904c9f0f81db1d63eec953d6746f2dc23dc81..2e9991e6b3c05584002744a2ee2579b1dba218b2 100644
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--- a/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
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+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
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@@ -192,13 +192,33 @@ public abstract class PathNavigation {
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return this.moveTo(this.createPath(x, y, z, 1), speed);
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}
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+ // Paper start - Perf: Optimise pathfinding
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+ private int lastFailure = 0;
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+ private int pathfindFailures = 0;
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+ // Paper end - Perf: Optimise pathfinding
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+
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public boolean moveTo(double x, double y, double z, int distance, double speed) {
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return this.moveTo(this.createPath(x, y, z, distance), speed);
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}
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public boolean moveTo(Entity entity, double speed) {
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+ // Paper start - Perf: Optimise pathfinding
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+ if (this.pathfindFailures > 10 && this.path == null && net.minecraft.server.MinecraftServer.currentTick < this.lastFailure + 40) {
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+ return false;
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+ }
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+ // Paper end - Perf: Optimise pathfinding
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Path path = this.createPath(entity, 1);
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- return path != null && this.moveTo(path, speed);
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+ // Paper start - Perf: Optimise pathfinding
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+ if (path != null && this.moveTo(path, speed)) {
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+ this.lastFailure = 0;
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+ this.pathfindFailures = 0;
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+ return true;
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+ } else {
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+ this.pathfindFailures++;
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+ this.lastFailure = net.minecraft.server.MinecraftServer.currentTick;
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+ return false;
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+ }
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+ // Paper end - Perf: Optimise pathfinding
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}
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public boolean moveTo(@Nullable Path path, double speed) {
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