Paper/Spigot-Server-Patches/0046-Optimize-Pathfinding.patch
Spottedleaf 2f782a6652 Updated Upstream (CraftBukkit)
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

CraftBukkit Changes:
17543ecf SPIGOT-5035: Error Using Virtual Merchant GUI
0fc6922b SPIGOT-5028: Villager#setVillagerExperience() doesn't work
bdbdbe44 SPIGOT-5024: Fox error - Unknown target reason
2019-06-06 16:56:51 +01:00

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1.7 KiB
Diff

From b7d9668a905904c6115f9721a798c46d9887e3d0 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 49b27c4310..75e01c2420 100644
--- a/src/main/java/net/minecraft/server/NavigationAbstract.java
+++ b/src/main/java/net/minecraft/server/NavigationAbstract.java
@@ -118,10 +118,26 @@ 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) {
@@ -233,6 +249,7 @@ public abstract class NavigationAbstract {
}
public void o() {
+ this.pathfindFailures = 0; this.lastFailure = 0; // Paper - Pathfinding optimizations
this.c = null;
}
--
2.21.0