Paper/Spigot-Server-Patches/0059-Optimize-Pathfinding.patch
2016-05-12 01:01:13 -04:00

52 lines
1.7 KiB
Diff

From 992e43398a309df8c25659b1d0d0881a6b327a09 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
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 31e574c..61c0f55 100644
--- a/src/main/java/net/minecraft/server/NavigationAbstract.java
+++ b/src/main/java/net/minecraft/server/NavigationAbstract.java
@@ -123,10 +123,26 @@ 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) : false;
+ 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) {
@@ -260,6 +276,7 @@ public abstract class NavigationAbstract {
}
public void o() {
+ this.pathfindFailures = 0; this.lastFailure = 0; // Paper - Pathfinding optimizations
this.c = null;
}
--
2.8.2