public unsafe void SaveChunk(BlockTerrain.Chunk chunk)
{
if (!chunk.isEdited)
{
return;
}
lock (locker)
{
Point2 p = new Point2(chunk.chunkx, chunk.chunky);
long value;
if (chunkOffsets.TryGetValue(p, out value))
{
stream.Seek(value, SeekOrigin.Begin);
WriteChunkHeader(stream, chunk.chunkx, chunk.chunky);
fixed(byte *bptr = &buffer[0])
{
int *iptr = (int *)bptr;
for (int x = 0; x < 16; x++)
{
for (int y = 0; y < 16; y++)
{
int index = BlockTerrain.GetCellIndex(15 - x, 0, y);
int h = 0;
while (h < 128)
{
*iptr = chunk.GetCellValue(index);
iptr++;
h++;
index++;
}
}
}
}
stream.Write(buffer, 0, 131072);
fixed(byte *bptr = &buffer[0])
{
int *iptr = (int *)bptr;
for (int x = 0; x < 16; x++)
{
int index = BlockTerrain.GetShiftIndex(15 - x, 0);
int h = 0;
while (h < 16)
{
*iptr = chunk.GetShiftValue(index);
iptr++;
h++;
index++;
}
}
}
stream.Write(buffer, 0, 1024);
}
}
}
// public void SaveChunkEntries ()
// {
// Point2[] entries = new Point2[chunkOffsets.Count];
// foreach (KeyValuePair<Point2, long> p in chunkOffsets) {
// entries [(int)((p.Value - 786444L) / 132112L)] = p.Key;
// }
//
// stream.Seek (0, SeekOrigin.Begin);
// for (int i = 0; i < entries.Length; i++) {
// WriteChunkEntry (stream, -entries [i].X, entries [i].Y, i);
// }
// }
public unsafe void ReadChunk(int chunkx, int chunky, BlockTerrain.Chunk chunk)
{
lock (locker)
{
Point2 p = new Point2(chunkx, chunky);
long value;
if (chunkOffsets.TryGetValue(p, out value))
{
stream.Seek(value, SeekOrigin.Begin);
ReadChunkHeader(stream);
stream.Read(buffer, 0, 131072);
fixed(byte *bptr = &buffer[0])
{
int *iptr = (int *)bptr;
for (int x = 0; x < 16; x++)
{
for (int y = 0; y < 16; y++)
{
int index = BlockTerrain.GetCellIndex(15 - x, 0, y);
int h = 0;
while (h < 128)
{
chunk.SetCellValue(index, *iptr);
iptr++;
h++;
index++;
}
}
}
}
stream.Read(buffer, 0, 1024);
fixed(byte *bptr = &buffer[0])
{
int *iptr = (int *)bptr;
for (int x = 0; x < 16; x++)
{
int index = BlockTerrain.GetShiftIndex(15 - x, 0);
int h = 0;
while (h < 16)
{
chunk.SetShiftValue(index, *iptr);
iptr++;
h++;
index++;
}
}
}
}
}
}
