18c3716c49
This enables us a fast reference to the entities current chunk instead of having to look it up by hashmap lookups. We also store counts by type to further enable other performance optimizations in later patches.
52 lines
1.7 KiB
Diff
52 lines
1.7 KiB
Diff
From a1991aa9db5af320aa989bf9cfc44ddda11f8001 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/server/NavigationAbstract.java b/src/main/java/net/minecraft/server/NavigationAbstract.java
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index bfc5769f7..cc44d30b5 100644
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--- a/src/main/java/net/minecraft/server/NavigationAbstract.java
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+++ b/src/main/java/net/minecraft/server/NavigationAbstract.java
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@@ -118,10 +118,26 @@ public abstract class NavigationAbstract {
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}
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public boolean a(Entity entity, double d0) {
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+ // Paper start - Pathfinding optimizations
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+ if (this.pathfindFailures > 10 && this.c == null && MinecraftServer.currentTick < this.lastFailure + 40) {
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+ return false;
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+ }
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+
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PathEntity pathentity = this.a(entity);
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- return pathentity != null && this.a(pathentity, d0);
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+ if (pathentity != null && this.a(pathentity, d0)) {
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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 = MinecraftServer.currentTick;
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+ return false;
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+ }
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}
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+ private int lastFailure = 0;
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+ private int pathfindFailures = 0;
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+ // Paper end
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public boolean a(@Nullable PathEntity pathentity, double d0) {
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if (pathentity == null) {
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@@ -256,6 +272,7 @@ public abstract class NavigationAbstract {
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}
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public void p() {
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+ this.pathfindFailures = 0; this.lastFailure = 0; // Paper - Pathfinding optimizations
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this.c = null;
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}
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--
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2.18.0
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