mirror of https://github.com/PaperMC/Paper.git
54 lines
2.9 KiB
Diff
54 lines
2.9 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: Fri, 28 Sep 2018 21:49:53 -0400
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Subject: [PATCH] Fix issues with entity loss due to unloaded chunks
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Vanilla has risk of losing entities by causing them to be
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removed from all chunks if they try to move into an unloaded chunk.
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This pretty much means high chance this entity will be lost in this
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scenario.
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There is another case that adding an entity to the world can fail if
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the chunk isn't loaded.
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Lots of the server is designed around addEntity never expecting to fail
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for these reasons, nor is it really logical.
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This change ensures the chunks are always loaded when entities are
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added to the world, or a valid entity moves between chunks.
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diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
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index d03b4f97102dfb88927a94ee5a5d397ac493eaa1..99883c83c126405fc93becefed8a1d0727b94aa7 100644
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--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
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+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
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@@ -848,11 +848,18 @@ public class ServerLevel extends net.minecraft.world.level.Level implements Worl
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int k = Mth.floor(entity.getZ() / 16.0D);
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if (!entity.inChunk || entity.xChunk != i || entity.yChunk != j || entity.zChunk != k) {
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+ // Paper start - remove entity if its in a chunk more correctly.
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+ LevelChunk currentChunk = entity.getCurrentChunk();
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+ if (currentChunk != null) {
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+ currentChunk.removeEntity(entity);
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+ }
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+ // Paper end
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+
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if (entity.inChunk && this.hasChunk(entity.xChunk, entity.zChunk)) {
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this.getChunk(entity.xChunk, entity.zChunk).removeEntity(entity, entity.yChunk);
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}
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- if (!entity.checkAndResetForcedChunkAdditionFlag() && !this.hasChunk(i, k)) {
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+ if (!entity.valid && !entity.checkAndResetForcedChunkAdditionFlag() && !this.hasChunk(i, k)) { // Paper - always load chunks to register valid entities location
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if (entity.inChunk) {
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ServerLevel.LOGGER.warn("Entity {} left loaded chunk area", entity);
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}
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@@ -1067,7 +1074,7 @@ public class ServerLevel extends net.minecraft.world.level.Level implements Worl
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return false;
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}
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// CraftBukkit end
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- ChunkAccess ichunkaccess = this.getChunk(Mth.floor(entity.getX() / 16.0D), Mth.floor(entity.getZ() / 16.0D), ChunkStatus.FULL, entity.forcedLoading);
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+ ChunkAccess ichunkaccess = this.getChunk(Mth.floor(entity.getX() / 16.0D), Mth.floor(entity.getZ() / 16.0D), ChunkStatus.FULL, true); // Paper - always load chunks for entity adds
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if (!(ichunkaccess instanceof LevelChunk)) {
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return false;
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