From 0000000000000000000000000000000000000000 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/world/entity/ai/navigation/PathNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java index 46c2885097ab768bb9d62187fe0ad2d61007d353..7ffe5bef3778d5971ea4ceadf3102725fd0d08cd 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 @@ -192,9 +192,29 @@ 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) {