public void WriteChunkToFile(Streaming.IChunkIO chunk)
{
if (_chunkWrite != null)
{
++_modifyCount;
long ofs = 0;
long size = 0;
if ((chunk.flags & EChunkFlags.SOLID) != 0)
{
ofs = _chunkWrite.BaseStream.Position;
WriteChunkDataToFile(_chunkWrite, chunk);
size = _chunkWrite.BaseStream.Position - ofs;
}
var chunkFile = new ChunkFile_t()
{
pos = chunk.chunkPos,
ofs = (uint)ofs,
size = (uint)size,
flags = (uint)chunk.flags,
modifyCount = _modifyCount
};
_chunkFiles[chunkFile.pos] = chunkFile;
}
}
void LoadIndexFile(string path)
{
_chunkFiles = new Dictionary <WorldChunkPos_t, ChunkFile_t>();
bool valid = false;
var file = File.Open(path + ".cix", FileMode.OpenOrCreate, FileAccess.Read, FileShare.None);
long fpos = 0;
using (var reader = new BinaryReader(file, Encoding.UTF8)) {
Header_t header = default(Header_t);
try {
header.version = reader.ReadInt32();
header.chunkCount = reader.ReadInt32();
valid = header.version == VERSION;
if (valid)
{
for (int i = 0; i < header.chunkCount; ++i)
{
var cf = ChunkFile_t.Read(reader);
_chunkFiles.Add(cf.pos, cf);
}
fpos = reader.BaseStream.Position;
}
} catch (Exception) {
valid = false;
}
}
file = File.Open(path + ".cix", valid ? FileMode.Open : FileMode.Create, FileAccess.Write, FileShare.None);
_indexFile = new BinaryWriter(file);
if (valid)
{
_indexFile.BaseStream.Position = fpos;
}
else
{
_chunkFiles.Clear();
WriteIndexFile();
try {
File.Delete(path + ".cdf");
} catch (Exception e) {
Debug.LogException(e);
}
}
}
