Paper/CraftBukkit-Patches/0094-Block-data-values-that-crash-the-client.patch

62 lines
2.2 KiB
Diff

From 438be204a29764ce1bdda2c94bed5298ad71ec3d Mon Sep 17 00:00:00 2001
From: Thinkofdeath <thethinkofdeath@gmail.com>
Date: Wed, 15 Jan 2014 21:52:47 +0000
Subject: [PATCH] Block data values that crash the client
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index 51ebb7e..944170b 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -115,7 +115,7 @@ public class Chunk {
}
this.sections[l1].setTypeId(l, j1 & 15, i1, block);
- this.sections[l1].setData(l, j1 & 15, i1, abyte[k1]);
+ this.sections[l1].setData(l, j1 & 15, i1, checkData( block, abyte[k1] ) );
}
}
}
@@ -398,6 +398,17 @@ public class Chunk {
}
}
+ // Spigot start - prevent invalid data values
+ private static int checkData( Block block, int l )
+ {
+ if (block == Block.b( "minecraft:double_plant" ) )
+ {
+ return l == 7 ? 0 : l;
+ }
+ return l;
+ }
+ // Spigot end
+
public boolean a(int i, int j, int k, Block block, int l) {
int i1 = k << 4 | i;
@@ -452,7 +463,7 @@ public class Chunk {
if (chunksection.getTypeId(i, j & 15, k) != block) {
return false;
} else {
- chunksection.setData(i, j & 15, k, l);
+ chunksection.setData(i, j & 15, k, checkData( block, l ) );
if (flag) {
this.initLighting();
} else {
@@ -522,8 +533,9 @@ public class Chunk {
return false;
} else {
this.n = true;
- chunksection.setData(i, j & 15, k, l);
- if (chunksection.getTypeId(i, j & 15, k) instanceof IContainer) {
+ Block block = chunksection.getTypeId( i, j & 15, k );
+ chunksection.setData(i, j & 15, k, checkData( block, l ) );
+ if (block instanceof IContainer) {
TileEntity tileentity = this.e(i, j, k);
if (tileentity != null) {
--
1.8.4.msysgit.0