public override void Write(BinaryWriter writer, PSSFile file)
{
if (file.Tiles.Count == 0)
{
return;
}
writer.Write(file.Tiles.Count);
foreach (var tile in file.Tiles.OrderBy(t => t.Index))
{
writer.Write((byte)(tile.Label?.Length ?? 0));
if (!string.IsNullOrEmpty(tile.Label))
{
writer.Write(Encoding.ASCII.GetBytes(tile.Label));
}
if (file.Platform == PSSFile.TargetPlatform.Gameboy)
{
writer.Write(tile.TileImage.ToGameboyBytes());
}
else
{
throw new NotImplementedException();
}
}
}
public static PSSFile Load(string filename)
{
using (var fileStream = File.OpenRead(filename))
using (var reader = new BinaryReader(fileStream))
{
var fileTag = Encoding.ASCII.GetString(reader.ReadBytes(3));
if (fileTag != "PSS")
{
throw new Exception("not a PSS File");
}
var formatVersion = reader.ReadByte();
var platform = reader.ReadByte();
var loadedFile = new PSSFile()
{
Version = formatVersion, Platform = (TargetPlatform)platform, VersionMismatch = formatVersion != MaxVersion
};
while (reader.BaseStream.Position != reader.BaseStream.Length)
{
loadedFile.ReadLump(reader);
}
reader.Close();
fileStream.Close();
return(loadedFile);
}
}
public override void Read(BinaryReader reader, PSSFile file)
{
var tileCount = reader.ReadInt32();
for (var i = 0; i < tileCount; i++)
{
var tile = new Tile();
tile.Index = i;
var labelLength = reader.ReadByte();
tile.Label = labelLength > 0 ? Encoding.ASCII.GetString(reader.ReadBytes(labelLength)) : string.Empty;
if (file.Platform == PSSFile.TargetPlatform.Gameboy)
{
var imageData = reader.ReadBytes(16);
tile.TileImage = Tile.Empty().FromGameboyBytes(imageData);
}
else
{
throw new NotImplementedException();
}
file.Tiles.Add(tile);
}
}
public override void Read(BinaryReader reader, PSSFile file)
{
var mapCount = reader.ReadInt32();
for (var i = 0; i < mapCount; i++)
{
var width = reader.ReadInt32();
var height = reader.ReadInt32();
var labelLength = reader.ReadByte();
var name = labelLength > 0 ? Encoding.ASCII.GetString(reader.ReadBytes(labelLength)) : string.Empty;
var mapFlags = reader.ReadByte();
var mapData = reader.ReadBytes(width * height);
byte[] blocks = null;
if (mapFlags == 1)
{
blocks = reader.ReadBytes(width * height);
}
var map = new TileMap(name, width, height, mapData, blocks)
{
Index = i
};
file.Maps.Add(map);
}
}
public override void Write(BinaryWriter writer, PSSFile file)
{
writer.Write(file.Maps.Count);
foreach (var map in file.Maps.OrderBy(t => t.Index))
{
writer.Write(map.Width);
writer.Write(map.Height);
writer.Write((byte)map.Name.Length);
writer.Write(Encoding.ASCII.GetBytes(map.Name));
writer.Write(map.Blocks == null ? (byte)0 : (byte)1);
writer.Write(map.Tiles);
if (map.Blocks != null)
{
writer.Write(map.Blocks);
}
}
}
public abstract void Read(BinaryReader reader, PSSFile file);
public abstract void Write(BinaryWriter writer, PSSFile file);