private static void checkRegionFile(
File world,
File region,
RegionFile regionFile,
DefaultErrorHandler results,
CheckParameters params) {
for (int i = 0; i < 1024; i++) {
ChunkOffset offset = new ChunkOffset(i);
Chunk chunk = new Chunk(world, region, offset, regionFile.getX(), regionFile.getZ());
switch (regionFile.getChunkStatus(offset)) {
case NOT_PRESENT:
break;
case INVALID:
results.corruptChunk(
chunk, "Region file header had corrupt chunk offset", EnumSet.of(NONE), NONE);
break;
case OK:
try {
checkChunk(chunk, regionFile.readChunk(offset), results, params);
} catch (IOException ex) {
results.corruptChunk(chunk, ex.getMessage(), EnumSet.of(NONE), NONE);
}
break;
}
}
}
private static void checkRegionFile(
File world, File region, DefaultErrorHandler results, CheckParameters params) {
try {
RegionFile regionFile = new RegionFile(region, params.isReadonly());
try {
try {
regionFile.loadHeaders();
} catch (IOException ex) {
results.corruptRegionFile(
new Chunk(world, region, null, regionFile.getX(), regionFile.getZ()),
ex.getMessage(),
EnumSet.of(NONE),
NONE);
}
checkRegionFile(world, region, regionFile, results, params);
} finally {
regionFile.close();
}
} catch (IOException ex) {
if (params.isVerbose(1)) ex.printStackTrace(System.err);
}
}
private static void checkChunk(
Chunk chunk, Tag data, DefaultErrorHandler results, CheckParameters params) {
if (data.getType() != TagType.COMPOUND) {
results.corruptChunk(chunk, "Chunk data not a compound", EnumSet.of(NONE), NONE);
// Fatal, no point performing further checks.
return;
}
CompoundTag dataC = (CompoundTag) data;
if (!dataC.containsKey("Level", TagType.COMPOUND)) {
results.corruptChunk(chunk, "Chunk data missing \"Level\" compound.", EnumSet.of(NONE), NONE);
// Fatal, no point performing further checks.
return;
}
CompoundTag level = dataC.getCompound("Level");
if (!level.containsKey("xPos", TagType.INT)) {
results.invalidXPosition(chunk, "xPos tag missing or wrong type.", EnumSet.of(NONE), NONE);
}
if (level.getInt("xPos") != chunk.getX()) {
results.invalidXPosition(
chunk,
"xPos: " + level.getInt("xPos") + " does not match expected xPos: " + chunk.getX(),
EnumSet.of(NONE),
NONE);
}
if (!level.containsKey("zPos", TagType.INT)) {
results.invalidZPosition(chunk, "zPos tag missing or wrong type.", EnumSet.of(NONE), NONE);
}
if (level.getInt("zPos") != chunk.getZ()) {
results.invalidZPosition(
chunk,
"zPos: " + level.getInt("zPos") + " does not match expected zPos: " + chunk.getZ(),
EnumSet.of(NONE),
NONE);
}
if (!level.containsKey("Entities", TagType.LIST)) {
results.invalidEntities(chunk, "Entities tag missing or wrong type.", EnumSet.of(NONE), NONE);
}
if (params.isCheckEntityCount()) {
ListTag entities = level.getList("Entities");
if (!entities.isEmpty()) {
if (entities.getListType() != TagType.COMPOUND) {
results.invalidEntities(
chunk,
"Entities are wrong type: " + entities.getListType().name(),
EnumSet.of(NONE),
NONE);
} else if (entities.size() > params.getMaxEntities()) {
results.tooManyEntities(
chunk, "Found " + entities.size() + " entities", EnumSet.of(NONE), NONE);
}
}
}
if (!level.containsKey("TileEntities", TagType.LIST)) {
results.invalidTileEntities(
chunk, "TileEntities tag missing or wrong type.", EnumSet.of(NONE), NONE);
} else if (params.isCheckTileEntityCount() || params.isCheckTileEntityLocation()) {
ListTag tileEntities = level.getList("TileEntities");
if (!tileEntities.isEmpty() && tileEntities.getListType() != TagType.COMPOUND) {
results.invalidTileEntities(
chunk,
"TileEntities are wrong type: " + tileEntities.getListType().name(),
EnumSet.of(NONE),
NONE);
} else {
if (params.isCheckTileEntityCount() && tileEntities.size() > params.getMaxTileEntities()) {
results.tooManyTileEntities(
chunk, "Found " + tileEntities.size() + " tile entities", EnumSet.of(NONE), NONE);
}
if (params.isCheckTileEntityLocation()) {
if (!tileEntities.isEmpty()) {
for (CompoundTag tileEntity : (CompoundTag[]) tileEntities.getValue()) {
if (!tileEntity.containsKey("x", TagType.INT)) {
results.invalidTileEntity(
chunk, "Invalid tile entity, no x position", EnumSet.of(NONE), NONE);
break;
}
if (!tileEntity.containsKey("y", TagType.INT)) {
results.invalidTileEntity(
chunk, "Invalid tile entity, no y position", EnumSet.of(NONE), NONE);
break;
}
if (!tileEntity.containsKey("z", TagType.INT)) {
results.invalidTileEntity(
chunk, "Invalid tile entity, no z position", EnumSet.of(NONE), NONE);
break;
}
int x = tileEntity.getInt("x");
int y = tileEntity.getInt("y");
int z = tileEntity.getInt("z");
int chunkX = x - chunk.getX();
int chunkZ = z - chunk.getZ();
if (chunkX < 0 || chunkX > 15 || chunkZ < 0 || chunkZ > 15 || y < 0 || y > 255) {
results.misplacedTileEntity(
chunk,
"Invalid tile entity, located outside chunk, relative offset: "
+ chunkX
+ ", "
+ y
+ ", "
+ chunkZ,
EnumSet.of(NONE),
NONE);
break;
}
}
}
}
}
}
}