Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-12-15 11:00:06 +01:00
62 Zeilen
2.6 KiB
Diff
62 Zeilen
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/PathNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
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index a362506f38e8d30543b6cd6d215db561290dac76..c501e42b6fef4af065807182dc5b4c444e74e310 100644
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--- a/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
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+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
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@@ -11,6 +11,7 @@ import net.minecraft.core.Position;
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import net.minecraft.core.Vec3i;
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import net.minecraft.network.protocol.game.DebugPackets;
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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.Mth;
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import net.minecraft.world.entity.Entity;
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import net.minecraft.world.entity.Mob;
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@@ -32,7 +33,7 @@ public abstract class PathNavigation {
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protected final Mob mob; public Entity getEntity() { return mob; } // Paper - OBFHELPER
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protected final Level level;
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@Nullable
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- protected Path path;
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+ protected Path path; protected final Path getCurrentPath() { return this.path; } // Paper - OBFHELPER
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protected double speedModifier;
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protected int tick;
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protected int lastStuckCheck;
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@@ -184,10 +185,30 @@ public abstract class PathNavigation {
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return this.moveTo(this.createPath(x, y, z, 1), speed);
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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 moveTo(Entity entity, double speed) {
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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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Path pathentity = this.createPath(entity, 1);
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- return pathentity != null && this.moveTo(pathentity, speed);
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+ // Paper start - Pathfinding optimizations
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+ if (pathentity != null && this.moveTo(pathentity, speed)) {
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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 Path pathentity, double speed) { return moveTo(pathentity, speed); } // Paper - OBFHELPER
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