PaperMC/Spigot-Server-Patches/MC-134115-Fix-Double-Chest-Conversion-Error.patch
Aikar 61c0a1197f MC-134115: Fix Double Chest Chunk Conversion Error
A bug with double chest conversion would lead to data
loss from chunks if they crossed chunk boundries.

This fixes the issue.

It should now be safe to upgrade worlds to 1.13.1
2018-09-20 19:13:29 -04:00

65 lines
No EOL
3.6 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Thu, 20 Sep 2018 19:11:33 -0400
Subject: [PATCH] MC-134115: Fix Double Chest Conversion Error
A bug with double chest conversion would lead to data
loss from chunks if they crossed chunk boundries.
This fixes the issue.
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index 33f5aa721f..ca5cd62866 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -0,0 +0,0 @@ public class Chunk implements IChunkAccess {
return this.a(blockposition, iblockdata, flag, true);
}
+ // Paper start
+ public void setTypeDirect(BlockPosition blockposition, IBlockData iblockdata) {
+ int i = blockposition.getX() & 15;
+ int j = blockposition.getY();
+ int k = blockposition.getZ() & 15;
+ ChunkSection section = this.sections[j >> 4];
+
+ if (section == Chunk.EMPTY_CHUNK_SECTION) {
+ if (iblockdata.isAir()) {
+ return;
+ }
+
+ section = new ChunkSection(j >> 4 << 4, this.world.worldProvider.g(), this, this.world, true); // Paper - Anti-Xray
+ this.sections[j >> 4] = section;
+ }
+
+ section.setType(i, j & 15, k, iblockdata);
+ }
+ // Paper end
+
@Nullable
public IBlockData a(BlockPosition blockposition, IBlockData iblockdata, boolean flag, boolean doPlace) {
// CraftBukkit end
diff --git a/src/main/java/net/minecraft/server/ChunkConverter.java b/src/main/java/net/minecraft/server/ChunkConverter.java
index 65b2654de8..70c60d54e7 100644
--- a/src/main/java/net/minecraft/server/ChunkConverter.java
+++ b/src/main/java/net/minecraft/server/ChunkConverter.java
@@ -0,0 +0,0 @@ public class ChunkConverter {
EnumDirection enumdirection1 = (EnumDirection)iblockdata.get(BlockChest.FACING);
if (enumdirection.k() != enumdirection1.k() && enumdirection1 == iblockdata1.get(BlockChest.FACING)) {
BlockPropertyChestType blockpropertychesttype = enumdirection == enumdirection1.e() ? BlockPropertyChestType.LEFT : BlockPropertyChestType.RIGHT;
- generatoraccess.setTypeAndData(blockposition1, (IBlockData)iblockdata1.set(BlockChest.b, blockpropertychesttype.a()), 18);
+ // Paper start
+ Chunk chunk = ((World) generatoraccess.getMinecraftWorld()).getChunkAtWorldCoords(blockposition);
+ Chunk chunk1 = ((World) generatoraccess.getMinecraftWorld()).getChunkAtWorldCoords(blockposition1);
+ chunk1.setTypeDirect(blockposition1, (IBlockData)iblockdata1.set(BlockChest.b, blockpropertychesttype.a()));
+
if (enumdirection1 == EnumDirection.NORTH || enumdirection1 == EnumDirection.EAST) {
- TileEntity tileentity = generatoraccess.getTileEntity(blockposition);
- TileEntity tileentity1 = generatoraccess.getTileEntity(blockposition1);
+ TileEntity tileentity = chunk.getTileEntity(blockposition);
+ TileEntity tileentity1 = chunk1.getTileEntity(blockposition1);
+ // Paper end
if (tileentity instanceof TileEntityChest && tileentity1 instanceof TileEntityChest) {
TileEntityChest.a((TileEntityChest)tileentity, (TileEntityChest)tileentity1);
}
--