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Fix a vanilla issue which causes invalid data values on blocks to turn to air

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Worlds already loaded in 1.8 can still be saved by this but tile entities will
be lost
This commit is contained in:
Thinkofdeath 2014-11-29 17:31:40 +00:00
parent 939f76458e
commit fdfadd23d0
1 changed files with 32 additions and 6 deletions
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38
nms-patches/ChunkRegionLoader.patch
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@ -1,5 +1,5 @@
--- ../work/decompile-8eb82bde//net/minecraft/server/ChunkRegionLoader.java 2014-11-28 17:43:42.985707437 +0000
+++ src/main/java/net/minecraft/server/ChunkRegionLoader.java 2014-11-28 17:38:17.000000000 +0000
--- ../work/decompile-8eb82bde//net/minecraft/server/ChunkRegionLoader.java 2014-11-29 17:31:14.897318138 +0000
+++ src/main/java/net/minecraft/server/ChunkRegionLoader.java 2014-11-29 17:31:08.453318281 +0000
@@ -23,8 +23,40 @@
public ChunkRegionLoader(File file) {
this.e = file;
@ -8,7 +8,7 @@
+ // CraftBukkit start
+ public boolean chunkExists(World world, int i, int j) {
+ ChunkCoordIntPair chunkcoordintpair = new ChunkCoordIntPair(i, j);
+
+ synchronized (this.d) {
+ if (this.c.contains(chunkcoordintpair)) {
+ for (int k = 0; k < this.b.size(); ++k) {
@ -22,7 +22,7 @@
+ return RegionFileCache.a(this.e, i, j).chunkExists(i & 31, j & 31);
+ }
+ // CraftBukkit end
+
+ // CraftBukkit start - Add async variant, provide compatibility
public Chunk a(World world, int i, int j) {
+ Object[] data = loadChunk(world, i, j);
@ -107,7 +107,33 @@
DataOutputStream dataoutputstream = RegionFileCache.d(this.e, pendingchunktosave.a.x, pendingchunktosave.a.z);
NBTCompressedStreamTools.a(pendingchunktosave.b, (DataOutput) dataoutputstream);
@@ -320,7 +376,13 @@
@@ -302,8 +358,23 @@
int j1 = l >> 8 & 15;
int k1 = l >> 4 & 15;
int l1 = nibblearray1 != null ? nibblearray1.a(i1, j1, k1) : 0;
-
- achar[l] = (char) (l1 << 12 | (abyte[l] & 255) << 4 | nibblearray.a(i1, j1, k1));
+
+ // CraftBukkit start - fix broken blocks
+ // achar[l] = (char) (l1 << 12 | (abyte[l] & 255) << 4 | nibblearray.a(i1, j1, k1));
+
+ int ex = l1;
+ int id = (abyte[l] & 255);
+ int data = nibblearray.a(i1, j1, k1);
+ int packed = ex << 12 | id << 4 | data;
+ if (Block.d.a(packed) == null) {
+ Block block = Block.getById(ex << 8 | id);
+ if (block != null) {
+ data = block.toLegacyData(block.fromLegacyData(data));
+ packed = ex << 12 | id << 4 | data;
+ }
+ }
+ achar[l] = (char) packed;
+ // CraftBukkit end
}
chunksection.a(achar);
@@ -320,7 +391,13 @@
if (nbttagcompound.hasKeyOfType("Biomes", 7)) {
chunk.a(nbttagcompound.getByteArray("Biomes"));
}
@ -121,7 +147,7 @@
NBTTagList nbttaglist1 = nbttagcompound.getList("Entities", 10);
if (nbttaglist1 != null) {
@@ -379,6 +441,6 @@
@@ -379,6 +456,6 @@
}
}