Paper/patches/server/0395-Optimize-Pathfinding.patch
2021-11-30 19:26:33 +01:00

44 lines
1.8 KiB
Diff

From 0000000000000000000000000000000000000000 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/world/entity/ai/navigation/PathNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
index e675eca77a0a1718cdaceefa20b026dffdcc5508..5884fb42f0880585dee843b98a6ea470a1508e46 100644
--- a/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
@@ -193,9 +193,29 @@ public abstract class PathNavigation {
return this.moveTo(this.createPath(x, y, z, 1), speed);
}
+ // Paper start - optimise pathfinding
+ private int lastFailure = 0;
+ private int pathfindFailures = 0;
+ // Paper end
+
public boolean moveTo(Entity entity, double speed) {
+ // Paper start - Pathfinding optimizations
+ if (this.pathfindFailures > 10 && this.path == null && net.minecraft.server.MinecraftServer.currentTick < this.lastFailure + 40) {
+ return false;
+ }
+ // Paper end
Path path = this.createPath(entity, 1);
- return path != null && this.moveTo(path, speed);
+ // Paper start - Pathfinding optimizations
+ if (path != null && this.moveTo(path, speed)) {
+ this.lastFailure = 0;
+ this.pathfindFailures = 0;
+ return true;
+ } else {
+ this.pathfindFailures++;
+ this.lastFailure = net.minecraft.server.MinecraftServer.currentTick;
+ return false;
+ }
+ // Paper end
}
public boolean moveTo(@Nullable Path path, double speed) {