Files
Purpur/patches/server/0118-EMC-Optimize-Pathfinding.patch
William Blake Galbreath 193c511fce Updated Upstream (Paper)
Upstream has released updates that appears to apply and compile correctly

Paper Changes:
a4f066cc Fix method profiler inbalance introduced in a2a9ffe (#3132)
c65dcad3 Don't delay chunk unloads during entity ticking
bc17ce69 Delay unsafe actions until after entity ticking is done - Fixes #3114
5553e6b3 Disable Sync Events firing Async errors during shutdown
e12c51d9 Use better variable for isStopping() API
586ee2bb Remove patch for MC-111480, fixed in 1.14
09a94215 Remove streams from Mob AI System
bb5c294e Fix Disabling Asynchronous Chunks
089d8356 Implement Chunk Priority / Urgency System for World Gen
fce69af7 Use dedicated thread for main thread blocking chunk loads
588b62e4 Add tick times API and /mspt command (#3102)
11de41c7 Add API MinecraftServer#isStopping (#3129)
942ff3c2 My patches are under MIT (#3130)
2020-04-12 03:45:54 -05:00

60 lines
2.3 KiB
Diff

From 7f0089f85f89a5da06847080dd27f165abc5ba36 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Thu, 3 Mar 2016 02:02:07 -0600
Subject: [PATCH] EMC - Optimize Pathfinding
Prevents pathfinding from spamming failures for things such as
arrow attacks.
---
.../minecraft/server/NavigationAbstract.java | 24 +++++++++++++++++--
1 file changed, 22 insertions(+), 2 deletions(-)
diff --git a/src/main/java/net/minecraft/server/NavigationAbstract.java b/src/main/java/net/minecraft/server/NavigationAbstract.java
index f06764973f..ac29f89371 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; } // Purpur - 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);
}
+ // Purpur start - optimise pathfinding
+ private int lastFailure = 0;
+ private int pathfindFailures = 0;
+ // Purpur end
+
public boolean a(Entity entity, double d0) {
+ // Purpur start - Pathfinding optimizations
+ if (this.pathfindFailures > 10 && this.getCurrentPath() == null && MinecraftServer.currentTick < this.lastFailure + 40) {
+ return false;
+ }
+ // Purpur end
PathEntity pathentity = this.a(entity, 1);
- return pathentity != null && this.a(pathentity, d0);
+ // Purpur 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;
+ }
+ // Purpur end
}
public boolean setDestination(@Nullable PathEntity pathentity, double speed) { return a(pathentity, speed); } // Paper - OBFHELPER
--
2.24.0