public static void AddReadRequest(VFVoxelChunkData chunkData)
{
IntVector4 chunkPos = chunkData.ChunkPosLod;
// Req to chunks out of range will return, these chunks will be null and can not be write according to WriteVoxelAtIdx's code
if (chunkPos.x < 0 || chunkPos.x >= VoxelTerrainConstants._worldMaxCX)
{
return;
}
if (chunkPos.y < 0 || chunkPos.y >= VoxelTerrainConstants.WorldMaxCY(chunkPos.w))
{
return;
}
if (chunkPos.z < 0 || chunkPos.z >= VoxelTerrainConstants._worldMaxCZ)
{
return;
}
// no caching
IntVector4 piecePos;
VFFileDataClone.WorldChunkPosToPiecePos(chunkPos, out piecePos);
IntVector4 fileIndex;
VFFileDataClone.PiecePos2FileIndex(piecePos, out fileIndex);
VFPieceDataClone pieceData = GetPieceDataSub(piecePos, GetFileSetSub(fileIndex));
pieceData.Decompress();
pieceData.SetChunkData(chunkData);
pieceData._data = null;
pieceData = null;
}
public static bool GetPieceData(out VFPieceDataClone pieceData, IntVector4 piecePos) // ret if cache hit
{
IntVector4 fileIndex;
VFFileDataClone.PiecePos2FileIndex(piecePos, out fileIndex);
VFFileDataClone fileSet = null; //fileSetCache.Find(iter=>VFFileDataClone.Match(iter, fileIndex));
//if(fileSet == null)
{
fileSet = GetFileSetSub(fileIndex);
//fileSetCache.Add(fileSet);
}
pieceData = GetPieceDataSub(piecePos, fileSet);
fileSet = null;
//fileDataCache.Add(fileData);
return(false);
}
void decompressData(VFVoxelChunkData chunkData)
{
int lod = chunkData.LOD;
int px, py, pz;
VFFileUtil.WorldChunkPosToPiecePos(chunkData.ChunkPosLod, out px, out py, out pz);
int fx, fz;
VFFileUtil.PiecePos2FilePos(px, py, pz, lod, out fx, out fz);
VFPieceDataClone pieceData = VFDataReaderClone.GetPieceDataSub(new IntVector4(px, py, pz, lod), VFDataReaderClone.GetFileSetSub(new IntVector4(fx, 0, fz, lod)));
pieceData.Decompress();
pieceData.SetChunkData(chunkData);
pieceData._data = null;
pieceData = null;
}
public static VFPieceDataClone GetPieceDataSub(IntVector4 piecePos, VFFileDataClone fileSet)
{
VFPieceDataClone pieceData = new VFPieceDataClone();
pieceData._pos.x = piecePos.x;
pieceData._pos.y = piecePos.y;
pieceData._pos.z = piecePos.z;
pieceData._lod = fileSet._lod;
if (fileSet.fs == null)
{
pieceData._data = new byte[VFVoxel.c_VTSize];
}
else
{
int ofs, len;
fileSet.GetOfs(piecePos, out ofs, out len);
pieceData._data = new byte[len];
fileSet.fs.Seek(ofs, SeekOrigin.Begin);
fileSet.fs.Read(pieceData._data, 0, len);
fileSet.fs.Close();
}
return(pieceData);
}
public static bool Match(VFPieceDataClone pieceData, IntVector3 piecePos, int lod)
{
return(pieceData._pos.Equals(piecePos) && pieceData._lod == lod);
}
