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This patch appears to be no longer relevant, and is seemingly a leading cause of datapack performance being horrific
34 lines
1.7 KiB
Diff
34 lines
1.7 KiB
Diff
From 2c49f9e2d16a6ba0c20a99acf259cb84e575d607 Mon Sep 17 00:00:00 2001
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From: AJMFactsheets <AJMFactsheets@gmail.com>
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Date: Wed, 22 Jan 2020 19:52:28 -0600
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Subject: [PATCH] Fix items vanishing through end portal
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If the Paper configuration option "keep-spawn-loaded" is set to false,
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items entering the overworld from the end will spawn at Y = 0.
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This is due to logic in the getHighestBlockYAt method in World.java
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only searching the heightmap if the chunk is loaded.
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Quickly loading the exact world spawn chunk before searching the
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heightmap resolves the issue without having to load all spawn chunks.
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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 659591e02..6e41a5506 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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@@ -2599,6 +2599,11 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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if (blockposition == null) { // CraftBukkit
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if (dimensionmanager1.getType() == DimensionManager.THE_END && dimensionmanager == DimensionManager.OVERWORLD) { // CraftBukkit
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+ // Paper start - Ensure spawn chunk is always loaded before calculating Y coordinate
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+ if (!worldserver1.isLoaded(worldserver1.getSpawn())) {
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+ worldserver1.getChunkAtWorldCoords(worldserver1.getSpawn());
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+ }
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+ // Paper end
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// CraftBukkit start
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EntityPortalEvent event = CraftEventFactory.callEntityPortalEvent(this, worldserver1, worldserver1.getHighestBlockYAt(HeightMap.Type.MOTION_BLOCKING_NO_LEAVES, worldserver1.getSpawn()), 0);
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if (event == null) {
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--
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2.25.1
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