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/server/NavigationAbstract.java b/src/main/java/net/minecraft/server/NavigationAbstract.java index f06764973feaa29ccbb4731b65372c544dcf3032..dc32107ec320fa54487f24c9d68ff8e5a6dea1bb 100644 --- a/src/main/java/net/minecraft/server/NavigationAbstract.java +++ b/src/main/java/net/minecraft/server/NavigationAbstract.java @@ -11,7 +11,7 @@ public abstract class NavigationAbstract { protected final EntityInsentient a; public Entity getEntity() { return a; } // Paper - OBFHELPER protected final World b; @Nullable - protected PathEntity c; + protected PathEntity c; protected final PathEntity getCurrentPath() { return this.c; } // Paper - OBFHELPER protected double d; private final AttributeInstance p; protected int e; @@ -158,10 +158,30 @@ public abstract class NavigationAbstract { return this.a(this.a(d0, d1, d2, 1), d3); } + // Paper start - optimise pathfinding + private int lastFailure = 0; + private int pathfindFailures = 0; + // Paper end + public boolean a(Entity entity, double d0) { + // Paper start - Pathfinding optimizations + if (this.pathfindFailures > 10 && this.getCurrentPath() == null && MinecraftServer.currentTick < this.lastFailure + 40) { + return false; + } + // Paper end PathEntity pathentity = this.a(entity, 1); - return pathentity != null && this.a(pathentity, d0); + // Paper start - Pathfinding optimizations + if (pathentity != null && this.a(pathentity, d0)) { + this.lastFailure = 0; + this.pathfindFailures = 0; + return true; + } else { + this.pathfindFailures++; + this.lastFailure = MinecraftServer.currentTick; + return false; + } + // Paper end } public boolean setDestination(@Nullable PathEntity pathentity, double speed) { return a(pathentity, speed); } // Paper - OBFHELPER