func (s *chunkStoreBeta) LoadChunk(chunkLoc ChunkXz) (reader IChunkReader, err os.Error) {
regionLoc := regionLocForChunkXz(chunkLoc)
var cfr *regionFileReader
cfr, ok := s.regionFiles[regionLoc.regionKey()]
if !ok {
// TODO limit number of regionFileReader objs to a maximum number of
// most-frequently-used regions. Close regionFileReader objects when no
// longer needed.
filePath := regionLoc.regionFilePath(s.regionPath)
cfr, err = newRegionFileReader(filePath)
if err != nil {
if errno, ok := util.Errno(err); ok && errno == os.ENOENT {
err = NoSuchChunkError(false)
}
return
}
s.regionFiles[regionLoc.regionKey()] = cfr
}
chunkReader, err := cfr.ReadChunkData(chunkLoc)
if chunkReader != nil {
reader = chunkReader
}
return
}
func (s *chunkStoreAlpha) LoadChunk(chunkLoc ChunkXz) (reader IChunkReader, err os.Error) {
file, err := os.Open(s.chunkPath(chunkLoc))
if err != nil {
if errno, ok := util.Errno(err); ok && errno == os.ENOENT {
err = NoSuchChunkError(false)
}
return
}
defer file.Close()
gzipReader, err := gzip.NewReader(file)
if err != nil {
return
}
defer gzipReader.Close()
reader, err = newNbtChunkReader(gzipReader)
if err != nil {
return
}
loadedLoc := reader.ChunkLoc()
if loadedLoc.X != chunkLoc.X || loadedLoc.Z != chunkLoc.Z {
err = os.NewError(fmt.Sprintf(
"Attempted to load chunk for %+v, but got chunk identified as %+v",
chunkLoc,
loadedLoc,
))
}
return
}
func (world *WorldStore) PlayerData(user string) (playerData nbt.ITag, err os.Error) {
file, err := os.Open(path.Join(world.WorldPath, "players", user+".dat"))
if err != nil {
if errno, ok := util.Errno(err); ok && errno == os.ENOENT {
// Player data simply doesn't exist. Not an error, playerData = nil is
// the result.
return nil, nil
}
return
}
defer file.Close()
gzipReader, err := gzip.NewReader(file)
if err != nil {
return
}
defer gzipReader.Close()
playerData, err = nbt.Read(gzipReader)
return
}