func serializeChunkData(chunk *mapgen.Chunk) ([]byte, error) {
raw := make([]byte, 1+coords.BlocksPerChunk)
offset := 0
raw[offset] = 1 // version
offset++
for i := 0; i < coords.BlocksPerChunk; i++ {
raw[offset] = byte(chunk.Block(coords.IndexOffset(i)))
offset++
}
return raw, nil
}
func deserializeChunkData(raw []byte) (*mapgen.Chunk, error) {
offset := 0
version := raw[offset]
offset++
if version != 1 {
return nil, errors.New("Persist: Unrecognized chunk version.")
}
chunk := &mapgen.Chunk{}
for i := 0; i < coords.BlocksPerChunk; i++ {
chunk.SetBlock(coords.IndexOffset(i), mapgen.Block(raw[offset]))
offset++
}
return chunk, nil
}