public Sprite(DatFileEntry entry, Color[] palette)
{
Entry = entry;
int i = 0;
NumFrames = entry.Data[i++];
Frames = new Bitmap[NumFrames];
for (int frame = 0; frame < NumFrames; frame++)
{
int width = entry.Data[i++];
int height = entry.Data[i++];
Frames[frame] = new Bitmap(width, height);
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
Color color = palette[entry.Data[i++]];
Frames[frame].SetPixel(x, y, color);
}
}
}
Ready = true;
}
public bool Unpack()
{
if (!File.Exists(path))
{
Error = "File not found!";
return(false);
}
Files = new List <DatFileEntry>();
byte[] data = File.ReadAllBytes(path);
int numEntries = BitConverter.ToUInt16(data, 0);
int offset = 2;
Log = "Num entries: " + numEntries.ToString() + Environment.NewLine;
for (int i = 0; i < numEntries; i++)
{
DatFileEntry entry = new DatFileEntry();
entry.ID = i;
entry.Size = BitConverter.ToInt32(data, offset);
offset += 4;
entry.Modified = BitConverter.ToInt32(data, offset);
offset += 4;
entry.Offset = BitConverter.ToInt32(data, offset);
offset += 4;
entry.Filename = ""; // 13 chars, null-terminated
int j;
for (j = 0; j < 13; j++)
{
if (data[offset + j] == 0)
{
entry.Filename = Encoding.UTF8.GetString(data, offset, j);
break;
}
}
offset += 13;
entry.Data = data.SubArray(entry.Offset, entry.Size);
Files.Add(entry);
Log += entry.ToString() + Environment.NewLine;
}
return(true);
}
public Map(DatFileEntry entry)
{
Entry = entry;
int i = 0;
Width = entry.Data[i];
i += 2;
Height = entry.Data[i];
i += 2;
loadPalette();
// load cells
int numCells = Width * Height;
Cells = new MapCell[numCells];
for (int j = 0; j < numCells; j++)
{
MapCell cell = new MapCell();
cell.TileID = entry.Data[i] + entry.Data[i + 1] * 256;
cell.ShootableID = entry.Data[i + 2];
cell.EntityID = entry.Data[i + 3];
Cells[j] = cell;
i += 4;
}
// load tiles
Tiles = new MapTile[512];
for (int j = 0; j < 512; j++)
{
MapTile tile = new MapTile();
if (!tile.Load(entry.Data.SubArray(i, 64), Palette))
{
return;
}
Tiles[j] = tile;
i += 64;
}
loadPositions();
loadPaletteRotation();
Ready = true;
}
// not used (trying to do everything in memory)
public bool WriteUnpackedFiles(string targetDir)
{
if (!Directory.Exists(targetDir))
{
Directory.CreateDirectory(targetDir);
}
for (int i = 0; i < Files.Count; i++)
{
DatFileEntry file = Files[i];
if (!file.Write(targetDir))
{
Error = $"Failed to write file '{file.Filename}' to '{targetDir}'";
return(false);
}
}
return(true);
}
public bool Load()
{
if (Ready)
{
return(true);
}
Archive = new DatFile(ArchiveFile);
// unpack archive
if (!Archive.Unpack())
{
Error = "Processing archive failed: " + Archive.Error;
return(false);
}
// load frame pcx which contains the main game palette
DatFileEntry framePcx = Archive.GetByName(PcxContainingMainPalette);
if (framePcx == null)
{
Error = $"Unable to find '{PcxContainingMainPalette}'";
return(false);
}
try
{
PcxFile pcx = framePcx.GetPicture();
MainPalette = (Color[])pcx.Palette.Clone();
MainPalette[0] = Color.Transparent;
}
catch (Exception e)
{
Error = $"Failed to decode PCX image '{PcxContainingMainPalette}': {e.Message}";
return(false);
}
Ready = true;
return(true);
}
