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62 lines
2.6 KiB
Diff
62 lines
2.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Thu, 3 Mar 2016 02:02:07 -0600
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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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diff --git a/src/main/java/net/minecraft/world/entity/ai/navigation/NavigationAbstract.java b/src/main/java/net/minecraft/world/entity/ai/navigation/NavigationAbstract.java
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index 06d05b511d623d0247d44989bee85b383a8fb52f..e6ba9b7fbf08ae0dd083a1ebee8eb7ed8a937751 100644
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--- a/src/main/java/net/minecraft/world/entity/ai/navigation/NavigationAbstract.java
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+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/NavigationAbstract.java
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@@ -11,6 +11,7 @@ import net.minecraft.core.BlockPosition;
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import net.minecraft.core.IPosition;
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import net.minecraft.network.protocol.game.PacketDebug;
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import net.minecraft.server.MCUtil;
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+import net.minecraft.server.MinecraftServer;
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import net.minecraft.util.MathHelper;
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import net.minecraft.world.entity.Entity;
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import net.minecraft.world.entity.EntityInsentient;
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@@ -32,7 +33,7 @@ public abstract class NavigationAbstract {
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protected final EntityInsentient a; public Entity getEntity() { return a; } // Paper - OBFHELPER
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protected final World b;
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@Nullable
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- protected PathEntity c;
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+ protected PathEntity c; protected final PathEntity getCurrentPath() { return this.c; } // Paper - OBFHELPER
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protected double d;
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protected int e;
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protected int f;
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@@ -184,10 +185,30 @@ public abstract class NavigationAbstract {
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return this.a(this.a(d0, d1, d2, 1), d3);
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}
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+ // Paper start - optimise pathfinding
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+ private int lastFailure = 0;
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+ private int pathfindFailures = 0;
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+ // Paper end
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+
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public boolean a(Entity entity, double d0) {
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+ // Paper start - Pathfinding optimizations
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+ if (this.pathfindFailures > 10 && this.getCurrentPath() == null && MinecraftServer.currentTick < this.lastFailure + 40) {
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+ return false;
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+ }
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+ // Paper end
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PathEntity pathentity = this.a(entity, 1);
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- return pathentity != null && this.a(pathentity, d0);
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+ // Paper start - Pathfinding optimizations
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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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+ // Paper end
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}
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public boolean setDestination(@Nullable PathEntity pathentity, double speed) { return a(pathentity, speed); } // Paper - OBFHELPER
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