34 lines
1.3 KiB
Diff
34 lines
1.3 KiB
Diff
From ee5f7b1451005f94292b283fa1bc9e21cacb05c2 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Thu, 16 Aug 2018 17:36:41 -0400
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Subject: [PATCH] Ensure chunks are always loaded on hard position sets
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Player Movement, Entity Creation and Teleportation move
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entities with a very "You are here, no debate" change, making
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the server register them as there, regardless if that chunk was
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loaded or not.
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It appears possible that with hack clients and lag, a player
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may be able to move fast enough to move into an unloaded
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chunk and get into a buggy state.
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To prevent this, we will ensure a chunk is always loaded,
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guaranteeing that the entity will be properly registered
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into its new home comfortably.
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diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
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index 9b5f7fcf72..48c9fbd9b3 100644
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--- a/src/main/java/net/minecraft/server/Entity.java
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+++ b/src/main/java/net/minecraft/server/Entity.java
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@@ -1309,6 +1309,7 @@ public abstract class Entity implements ICommandListener, KeyedObject { // Paper
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this.lastYaw -= 360.0F;
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}
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+ world.getChunkAt((int) Math.floor(this.locX) >> 4, (int) Math.floor(this.locZ) >> 4); // Paper - ensure chunk is always loaded
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this.setPosition(this.locX, this.locY, this.locZ);
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this.setYawPitch(f, f1);
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}
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--
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2.18.0
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