From d2464ff0ee510c4d7eae1439b190f8438583a285 Mon Sep 17 00:00:00 2001 From: Thinkofdeath 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 874a089..088ee42 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 + public static int checkData( Block block, int data ) + { + if (block == Blocks.DOUBLE_PLANT ) + { + return data < 6 || data >= 8 ? data : 0; + } + return data; + } + // 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 { @@ -517,8 +528,9 @@ 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) { -- 1.9.1