69 lines
3.2 KiB
Diff
69 lines
3.2 KiB
Diff
From c6cd94e6eaec67e31528ad1c871a473e9415bc61 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Mon, 18 Jan 2016 00:18:43 -0500
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Subject: [PATCH] Optimize Pathfinding
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Prevents pathfinding from spamming failures for things such as
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arrow attacks.
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Also remove a duplicate .getType() call and fix .getType() on others
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to make them use the chunk cache vs chunk lookups
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diff --git a/src/main/java/net/minecraft/server/NavigationAbstract.java b/src/main/java/net/minecraft/server/NavigationAbstract.java
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index d5eaa24..8ebe584 100644
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--- a/src/main/java/net/minecraft/server/NavigationAbstract.java
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+++ b/src/main/java/net/minecraft/server/NavigationAbstract.java
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@@ -82,10 +82,25 @@ public abstract class NavigationAbstract {
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}
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public boolean a(Entity entity, double d0) {
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+ // PaperSpigot start - Pathfinding optimizations
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+ if (this.pathfindFailures > 10 && this.d == null && MinecraftServer.currentTick < this.lastFailure + 40) {
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+ return false;
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+ }
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PathEntity pathentity = this.a(entity);
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- return pathentity != null ? this.a(pathentity, d0) : false;
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+ if (pathentity != null && this.a(pathentity, d0)) {
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+ this.lastFailure = 0;
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+ this.pathfindFailures = 0;
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+ return true;
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+ } else {
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+ this.pathfindFailures++;
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+ this.lastFailure = MinecraftServer.currentTick;
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+ return false;
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+ }
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}
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+ private int lastFailure = 0;
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+ private int pathfindFailures = 0;
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+ // PaperSpigot end
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public boolean a(PathEntity pathentity, double d0) {
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if (pathentity == null) {
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@@ -205,6 +220,7 @@ public abstract class NavigationAbstract {
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}
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public void n() {
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+ this.pathfindFailures = 0; this.lastFailure = 0; // PaperSpigot - Pathfinding optimizations
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this.d = null;
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}
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diff --git a/src/main/java/net/minecraft/server/PathfinderNormal.java b/src/main/java/net/minecraft/server/PathfinderNormal.java
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index 0a14c9d..629aa16 100644
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--- a/src/main/java/net/minecraft/server/PathfinderNormal.java
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+++ b/src/main/java/net/minecraft/server/PathfinderNormal.java
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@@ -158,8 +158,8 @@ public class PathfinderNormal extends PathfinderAbstract {
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flag3 = true;
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}
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- if (entity.world.getType(blockposition_mutableblockposition).getBlock() instanceof BlockMinecartTrackAbstract) {
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- if (!(entity.world.getType(blockposition).getBlock() instanceof BlockMinecartTrackAbstract) && !(entity.world.getType(blockposition.down()).getBlock() instanceof BlockMinecartTrackAbstract)) {
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+ if (block instanceof BlockMinecartTrackAbstract) { // PaperSpigot - Pathfinder optimizations
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+ if (!(iblockaccess.getType(blockposition).getBlock() instanceof BlockMinecartTrackAbstract) && !(iblockaccess.getType(blockposition.down()).getBlock() instanceof BlockMinecartTrackAbstract)) { // PaperSpigot - Pathfinder optimizations
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return -3;
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}
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} else if (!block.b(iblockaccess, blockposition_mutableblockposition) && (!flag1 || !(block instanceof BlockDoor) || block.getMaterial() != Material.WOOD)) {
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--
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2.7.1
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