private static unsafe int PatchLand(TileMatrix matrix, string dataPath, string indexPath)
{
using (FileStream fsData = new FileStream(dataPath, FileMode.Open, FileAccess.Read, FileShare.Read))
using (FileStream fsIndex = new FileStream(indexPath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
BinaryReader indexReader = new BinaryReader(fsIndex);
int count = (int)(indexReader.BaseStream.Length / 4);
for (int i = 0; i < count; ++i)
{
int blockID = indexReader.ReadInt32();
int x = blockID / matrix.BlockHeight;
int y = blockID % matrix.BlockHeight;
fsData.Seek(4, SeekOrigin.Current);
Tile[] tiles = new Tile[64];
fixed (Tile* pTiles = tiles)
{
NativeMethods._lread(fsData.SafeFileHandle, pTiles, 192);
}
//matrix.SetLandBlock(x, y, tiles);
}
return count;
}
}
public Tile[] GetLandBlock(int x, int y)
{
if (x < 0 || y < 0 || x >= _blockWidth || y >= _blockHeight || _map == null) return _invalidLandBlock;
if (_landTiles[x] == null)
_landTiles[x] = new Tile[_blockHeight][];
Tile[] tiles = _landTiles[x][y] ?? (_landTiles[x][y] = ReadLandBlock(x, y));
return tiles;
}
private unsafe Tile[] ReadLandBlock(int x, int y)
{
int offset = ((x * _blockHeight) + y) * 196 + 4;
if (_install.IsUOPFormat)
{
int block = offset / 0xC4000;
offset += 0xD88 + (0xD54 * (block / 100)) + (12 * block);
}
_map.Seek(offset, SeekOrigin.Begin);
Tile[] tiles = new Tile[64];
fixed (Tile* pTiles = tiles)
{
NativeMethods._lread(_map.SafeFileHandle, pTiles, 192);
}
return tiles;
}
public void SetLandBlock(int x, int y, Tile[] value)
{
if (x < 0 || y < 0 || x >= _blockWidth || y >= _blockHeight)
return;
if (_landTiles[x] == null)
_landTiles[x] = new Tile[_blockHeight][];
_landTiles[x][y] = value;
}
