public MapdSpriteFrame(MapdLayer layer)
{
this.Size = new(layer.Width, layer.Height);
this.FrameSize = new(layer.Width, layer.Height);
this.Data = layer.Pixels;
}
public Mapd(Stream stream)
{
var test = stream.ReadInt32();
stream.Position += test * 4;
var generation = stream.ReadInt32() == 256 ? GameFormat.Gen1 : GameFormat.Gen2;
stream.Position -= (test + 2) * 4;
if (generation == GameFormat.Gen2)
{
stream.ReadInt32(); // TODO Unk
}
var layerOffsets = new int[stream.ReadInt32()];
this.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 == GameFormat.Gen2)
{
for (var i = 0; i < palette.Length;)
{
var color16 = stream.ReadUInt16();
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 < this.Layers.Length; i++)
{
stream.Position = layerOffsets[i];
var type = new string(stream.ReadASCII(4).Reverse().ToArray());
if (type != "SCRL")
{
throw new("Unknown type.");
}
var tileWidth = stream.ReadInt32();
var tileHeight = stream.ReadInt32();
var tilesX = stream.ReadInt32();
var tilesY = stream.ReadInt32();
if (generation == GameFormat.Gen2)
{
stream.ReadInt32(); // TODO Unk
stream.ReadInt32(); // TODO Unk
stream.ReadInt32(); // TODO 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 == GameFormat.Gen2)
{
tile -= tile % 4;
}
tiles.Add(tile);
if (tile != 0 && !tilePixels.ContainsKey(tile))
{
tilePixels.Add(tile, new byte[tileWidth * tileHeight * 4]);
}
}
}
foreach (var offset in tilePixels.Keys)
{
stream.Position = offset;
if (generation == GameFormat.Gen1)
{
stream.ReadInt32(); // TODO Unk
}
tilePixels[offset] = stream.ReadBytes(tileWidth * tileHeight)
.SelectMany(index => index == 0 && i != 0 ? new byte[4] : palette.Skip(index * 4).Take(4))
.ToArray();
}
var layer = new MapdLayer(tilesX * tileWidth, tilesY * tileHeight);
this.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);
}
}
}
}
}
public MapdSpriteFrame(MapdLayer layer)
{
Size = new Size(layer.Width, layer.Height);
FrameSize = new Size(layer.Width, layer.Height);
Data = layer.Pixels;
}
