From 4eb56052b0b279c261b87dc066fc9840888f694c Mon Sep 17 00:00:00 2001 From: Aikar Date: Thu, 3 Mar 2016 02:02:07 -0600 Subject: [PATCH] Optimize Pathfinding Prevents pathfinding from spamming failures for things such as arrow attacks. diff --git a/src/main/java/net/minecraft/server/NavigationAbstract.java b/src/main/java/net/minecraft/server/NavigationAbstract.java index d1d16b25d0..5d6f726d05 100644 --- a/src/main/java/net/minecraft/server/NavigationAbstract.java +++ b/src/main/java/net/minecraft/server/NavigationAbstract.java @@ -113,9 +113,26 @@ public abstract class NavigationAbstract { } public boolean a(Entity entity, double d0) { + // Paper start - Pathfinding optimizations + if (this.pathfindFailures > 10 && this.c == null && MinecraftServer.currentTick < this.lastFailure + 40) { + return false; + } + PathEntity pathentity = this.a(entity); - return pathentity != null && this.a(pathentity, d0); + + if (pathentity != null && this.a(pathentity, d0)) { + this.lastFailure = 0; + this.pathfindFailures = 0; + return true; + } else { + this.pathfindFailures++; + this.lastFailure = MinecraftServer.currentTick; + return false; + } } + private int lastFailure = 0; + private int pathfindFailures = 0; + // Paper end public boolean a(@Nullable PathEntity pathentity, double d0) { if (pathentity == null) { @@ -241,6 +258,7 @@ public abstract class NavigationAbstract { } public void q() { + this.pathfindFailures = 0; this.lastFailure = 0; // Paper - Pathfinding optimizations this.c = null; } -- 2.19.0