internal SMXPixelDecoder(byte[] data, int paletteIndex, SMXFrameCompression compression)
{
_reader = new BinaryReader(new MemoryStream(data));
_paletteIndex = paletteIndex;
_compression = compression;
}
private static SMXGraphics ReadGraphics(SMXLayerHeader header, int paletteIndex, SMXFrameCompression compression, IList <SMXLayerRowEdge> rowEdges, BinaryReader reader)
{
var commandLength = reader.ReadUInt32();
var pixelsLength = reader.ReadUInt32();
var commands = reader.ReadBytes((int)commandLength);
var pixels = reader.ReadBytes((int)pixelsLength);
var decoder = new SMXPixelDecoder(pixels, paletteIndex, compression);
if (IsVerbose)
{
Console.WriteLine("\t\tGraphics Layer");
Console.WriteLine("\t\t{0}", new string('-', Repeat));
Console.WriteLine("\t\tCommand Length : {0}", commandLength);
Console.WriteLine("\t\tPixels Length : {0}", pixelsLength);
Console.WriteLine("\t\t\tCommand Array");
Console.WriteLine("\t\t\t{0}", new string('-', Repeat));
}
var x = rowEdges[0].LeftSpacing;
var y = 0;
using (var brc = new BinaryReader(new MemoryStream(commands)))
using (var brp = new BinaryReader(new MemoryStream(pixels)))
{
var result = new Bitmap(header.Width, header.Height);
for (int i = 0; i < commands.Length; i++)
{
if (rowEdges[y].IsEmpty())
{
// Todo: Draw Transparent Line!
x = rowEdges[++y].LeftSpacing;
continue;
}
if (rowEdges[y].LeftSpacing != 0 || rowEdges[y].RightSpacing != 0)
{
// Todo: Draw Transparent 'Spacing'!
}
var command = brc.ReadByte();
var opCode = (SMXCommandOpCode)(command & 0b00000011);
var payload = (command >> 2) + 1;
switch (opCode)
{
case SMXCommandOpCode.Draw:
{
if (IsVerbose)
{
Console.WriteLine("\t\t\t[{0,3}] : Draw ({1,3} -> {2,3})", command, x, x + payload);
}
for (int k = 0; k < payload; k++)
{
result.SetPixel(x, y, decoder.Next());
x += 1;
}
break;
}
case SMXCommandOpCode.Player:
{
if (IsVerbose)
{
Console.WriteLine("\t\t\t[{0,3}] : Player ({1,3} -> {2,3})", command, x, x + payload);
}
for (int k = 0; k < payload; k++)
{
decoder.Next();
result.SetPixel(x, y, Color.Blue);
x += 1;
}
break;
}
case SMXCommandOpCode.Skip:
{
if (IsVerbose)
{
Console.WriteLine("\t\t\t[{0,3}] : Skip ({1,3} -> {2,3})", command, x, x + payload);
}
for (int k = 0; k < payload; k++)
{
result.SetPixel(x, y, Color.Transparent);
x += 1;
}
break;
}
case SMXCommandOpCode.End:
{
if (IsVerbose)
{
Console.WriteLine("\t\t\t[{0,3}] : End", command);
}
if (i + 1 < commands.Length)
{
x = rowEdges[++y].LeftSpacing;
}
break;
}
default:
{
throw new InvalidDataException();
}
}
}
if (IsVerbose)
{
Console.WriteLine("\t\t\t{0}", new string('-', Repeat));
}
return(new SMXGraphics
{
CommandData = commands,
PixelData = pixels,
Image = result,
});
}
}
