public MobdRenderFlags(SegmentStream stream, Version version)
{
/*Type = */ stream.ReadASCII(4);
var flags = stream.ReadUInt32();
if (version == Version.KKND2)
{
var paletteOffset = stream.ReadUInt32() - stream.BaseOffset;
var returnPos = stream.Position;
stream.Position = paletteOffset;
stream.ReadUInt32(); // 00 00 00 80
stream.ReadUInt32(); // 00 00 00 80
stream.ReadUInt32(); // 00 00 00 80
var numColors = stream.ReadUInt16();
Palette = new uint[256];
for (var i = 0; i < numColors; i++)
{
var color16 = stream.ReadUInt16(); // aRRRRRGGGGGBBBBB
var r = ((color16 & 0x7c00) >> 7) & 0xff;
var g = ((color16 & 0x03e0) >> 2) & 0xff;
var b = ((color16 & 0x001f) << 3) & 0xff;
Palette[i] = (uint)((0xff << 24) | (r << 16) | (g << 8) | b);
}
stream.Position = returnPos;
}
var imageOffset = stream.ReadUInt32() - stream.BaseOffset;
stream.Position = imageOffset;
Image = new MobdImage(stream, flags, version);
}
public MobdRenderFlags(SegmentStream stream)
{
var type = new string(stream.ReadASCII(4).Reverse().ToArray());
var flags = stream.ReadUInt32();
var generation = Generation.Unknown;
if (type == "SPRT")
{
generation = Generation.Gen1;
}
else if (type == "SPNS" || type == "SPRC")
{
generation = Generation.Gen2;
}
if (generation == Generation.Gen2)
{
var paletteOffset = stream.ReadUInt32() - stream.BaseOffset;
var returnPos = stream.Position;
stream.Position = paletteOffset;
stream.ReadUInt32(); // 00 00 00 80
stream.ReadUInt32(); // 00 00 00 80
stream.ReadUInt32(); // 00 00 00 80
var numColors = stream.ReadUInt16();
Palette = new uint[256];
for (var i = 0; i < numColors; i++)
{
var color16 = stream.ReadUInt16(); // aRRRRRGGGGGBBBBB
var r = ((color16 & 0x7c00) >> 7) & 0xff;
var g = ((color16 & 0x03e0) >> 2) & 0xff;
var b = ((color16 & 0x001f) << 3) & 0xff;
Palette[i] = (uint)((0xff << 24) | (r << 16) | (g << 8) | b);
}
stream.Position = returnPos;
}
var imageOffset = stream.ReadUInt32() - stream.BaseOffset;
stream.Position = imageOffset;
Image = new MobdImage(stream, flags, generation);
}
public Blit(SegmentStream stream)
{
// This is damn ugly, but it seems BLIT uses offsets from lvl start.
var basePosition = (int)((SegmentStream)stream.BaseStream).BaseStream.Position - 8;
Frames = new BlitFrame[stream.ReadInt32()];
var frameOffsets = new int[Frames.Length];
stream.ReadInt32(); // Unk
var paletteOffset = stream.ReadInt32() - basePosition;
var identifier = new string(stream.ReadASCII(4).Reverse().ToArray());
if (identifier != "BLT8")
{
throw new Exception("Unknwon blit type.");
}
for (var i = 0; i < Frames.Length; i++)
{
frameOffsets[i] = stream.ReadInt32() - basePosition;
}
stream.Position = paletteOffset;
var palette = new byte[256 * 4];
for (var i = 0; i < palette.Length;)
{
var color16 = stream.ReadUInt16(); // aRRRRRGGGGGBBBBB
palette[i++] = (byte)(((color16 & 0x001f) << 3) & 0xff);
palette[i++] = (byte)(((color16 & 0x03e0) >> 2) & 0xff);
palette[i++] = (byte)(((color16 & 0x7c00) >> 7) & 0xff);
palette[i++] = 0xff;
}
for (var i = 0; i < Frames.Length; i++)
{
stream.Position = frameOffsets[i];
Frames[i] = new BlitFrame(stream, palette);
}
}
public Mapd(SegmentStream stream)
{
// This is damn ugly, but it seems MAPD uses offsets from lvl start.
var basePosition = ((SegmentStream)stream.BaseStream).BaseStream.Position - 8;
var test = stream.ReadInt32();
stream.Position += test * 4;
var generation = stream.ReadInt32() == 256 ? Generation.Gen1 : Generation.Gen2;
stream.Position -= (test + 2) * 4;
if (generation == Generation.Gen2)
{
stream.ReadInt32(); // Unk
}
var layerOffsets = new int[stream.ReadInt32()];
Layers = new MapdLayer[layerOffsets.Length];
for (var i = 0; i < layerOffsets.Length; i++)
{
layerOffsets[i] = stream.ReadInt32();
}
var palette = new byte[stream.ReadInt32() * 4];
if (generation == Generation.Gen2)
{
for (var i = 0; i < palette.Length;)
{
var color16 = stream.ReadUInt16(); // aRRRRRGGGGGBBBBB
palette[i++] = (byte)(((color16 & 0x7c00) >> 7) & 0xff);
palette[i++] = (byte)(((color16 & 0x03e0) >> 2) & 0xff);
palette[i++] = (byte)(((color16 & 0x001f) << 3) & 0xff);
palette[i++] = 0xff;
}
}
else
{
stream.Read(palette);
for (var i = 0; i < palette.Length / 4; i++)
{
palette[i * 4 + 3] = 0xff;
}
}
for (var i = 0; i < Layers.Length; i++)
{
stream.Position = layerOffsets[i] - basePosition;
var type = new string(stream.ReadASCII(4).Reverse().ToArray());
if (type != "SCRL")
{
throw new Exception("Unknown type.");
}
var tileWidth = stream.ReadInt32();
var tileHeight = stream.ReadInt32();
var tilesX = stream.ReadInt32();
var tilesY = stream.ReadInt32();
if (generation == Generation.Gen2)
{
stream.ReadInt32(); // Unk
stream.ReadInt32(); // Unk
stream.ReadInt32(); // Unk
}
var tilePixels = new Dictionary <int, byte[]>();
var tiles = new List <int>();
for (var y = 0; y < tilesY; y++)
{
for (var x = 0; x < tilesX; x++)
{
var tile = stream.ReadInt32();
if (generation == Generation.Gen2)
{
tile -= tile % 4;
}
tiles.Add(tile);
if (tile != 0 && !tilePixels.ContainsKey(tile))
{
tilePixels.Add(tile, new byte[tileWidth * tileHeight * 4]);
}
}
}
foreach (var(offset, pixels) in tilePixels)
{
stream.Position = offset - basePosition;
if (generation == Generation.Gen1)
{
stream.ReadInt32(); // Unk
}
for (var y = 0; y < tileHeight; y++)
{
for (var x = 0; x < tileWidth; x++)
{
var index = stream.ReadByte();
if (index == 0 && i != 0)
{
continue;
}
Array.Copy(palette, index * 4, pixels, (y * tileWidth + x) * 4, 4);
}
}
}
var layer = new MapdLayer(tilesX * tileWidth, tilesY * tileHeight);
Layers[i] = layer;
for (var y = 0; y < tilesY; y++)
{
for (var x = 0; x < tilesX; x++)
{
var tile = tiles[y * tilesX + x];
if (tile == 0)
{
continue;
}
var pixels = tilePixels[tile];
var offset = (y * tileHeight * tilesX + x) * tileWidth;
for (var row = 0; row < tileHeight; row++)
{
Array.Copy(pixels, row * tileWidth * 4, layer.Pixels, (offset + row * layer.Width) * 4, tileWidth * 4);
}
}
}
}
}
