public DlmMap ReadMap()
{
m_reader.Seek(0, SeekOrigin.Begin);
int header = m_reader.ReadByte();
if (header != 77)
{
try
{
m_reader.Seek(0, SeekOrigin.Begin);
var output = new MemoryStream();
ZipHelper.Deflate(new MemoryStream(m_reader.ReadBytes((int)m_reader.BytesAvailable)), output);
var uncompress = output.ToArray();
m_reader.Dispose();
m_reader = new FastBigEndianReader(uncompress);
header = m_reader.ReadByte();
if (header != 77)
{
throw new FileLoadException("Wrong header file");
}
}
catch (Exception ex)
{
throw new FileLoadException("Wrong header file");
}
}
var map = DlmMap.ReadFromStream(m_reader, this);
return(map);
}
public static DlmLayer ReadFromStream(DlmMap map, IDataReader reader)
{
var layer = new DlmLayer(map);
layer.LayerId = map.Version >= 9 ? reader.ReadByte() : reader.ReadInt();
layer.Cells = new DlmCell[reader.ReadShort()];
for (int i = 0; i < layer.Cells.Length; i++)
{
layer.Cells[i] = DlmCell.ReadFromStream(layer, reader);
}
return(layer);
}
public static DlmFixture ReadFromStream(DlmMap map, IDataReader reader)
{
var fixture = new DlmFixture(map);
fixture.FixtureId = reader.ReadInt();
fixture.Offset = new System.Drawing.Point(reader.ReadShort(), reader.ReadShort());
fixture.Rotation = reader.ReadShort();
fixture.ScaleX = reader.ReadShort();
fixture.ScaleY = reader.ReadShort();
fixture.Hue = reader.ReadByte() << 16 | reader.ReadByte() << 8 | reader.ReadByte();
fixture.Alpha = reader.ReadByte();
return(fixture);
}
public DlmFixture(DlmMap map)
{
Map = map;
}
public BadEncodedMapException(Exception exception, DlmMap map)
: base("Bad encoded map", exception)
{
Map = map;
}
public static DlmMap ReadFromStream(IDataReader givenReader, DlmReader dlmReader)
{
DlmMap map = null;
try
{
var reader = givenReader;
map = new DlmMap
{
Version = reader.ReadByte(),
Id = reader.ReadInt()
};
if (map.Version > DlmReader.VERSION)
{
throw new Exception(string.Format("Reader outdated for this map (old version:{0} new version:{1})",
DlmReader.VERSION, map.Version));
}
if (map.Version >= 7)
{
map.Encrypted = reader.ReadBoolean();
map.EncryptionVersion = reader.ReadByte();
var len = reader.ReadInt();
if (map.Encrypted)
{
var key = dlmReader.DecryptionKey;
if (key == null && dlmReader.DecryptionKeyProvider != null)
{
key = dlmReader.DecryptionKeyProvider(map.Id);
}
if (key == null)
{
throw new InvalidOperationException(string.Format("Cannot decrypt the map {0} without decryption key", map.Id));
}
var data = reader.ReadBytes(len);
var encodedKey = Encoding.Default.GetBytes(key);
if (key.Length > 0)
{
for (var i = 0; i < data.Length; i++)
{
data[i] = (byte)(data[i] ^ encodedKey[i % key.Length]);
}
reader = new FastBigEndianReader(data);
}
}
}
map.RelativeId = reader.ReadUInt();
map.MapType = reader.ReadByte();
// temp, just to know if the result is coherent
if (map.MapType < 0 || map.MapType > 1)
{
throw new Exception("Invalid decryption key");
}
map.SubAreaId = reader.ReadInt();
map.TopNeighbourId = reader.ReadInt();
map.BottomNeighbourId = reader.ReadInt();
map.LeftNeighbourId = reader.ReadInt();
map.RightNeighbourId = reader.ReadInt();
map.ShadowBonusOnEntities = reader.ReadInt();
if (map.Version >= 9)
{
map.BackgroundColor = Color.FromArgb(reader.ReadByte(), reader.ReadByte(), reader.ReadByte(), reader.ReadByte());
map.GridColor = Color.FromArgb(reader.ReadByte(), reader.ReadByte(), reader.ReadByte(), reader.ReadByte());
}
else if (map.Version >= 3)
{
map.BackgroundColor = Color.FromArgb(reader.ReadByte(), reader.ReadByte(), reader.ReadByte());
}
if (map.Version >= 4)
{
map.ZoomScale = reader.ReadUShort();
map.ZoomOffsetX = reader.ReadShort();
map.ZoomOffsetY = reader.ReadShort();
}
map.UseLowPassFilter = reader.ReadByte() == 1;
map.UseReverb = reader.ReadByte() == 1;
if (map.UseReverb)
{
map.PresetId = reader.ReadInt();
}
{
map.PresetId = -1;
}
map.BackgroudFixtures = new DlmFixture[reader.ReadByte()];
for (var i = 0; i < map.BackgroudFixtures.Length; i++)
{
map.BackgroudFixtures[i] = DlmFixture.ReadFromStream(map, reader);
}
map.ForegroundFixtures = new DlmFixture[reader.ReadByte()];
for (var i = 0; i < map.ForegroundFixtures.Length; i++)
{
map.ForegroundFixtures[i] = DlmFixture.ReadFromStream(map, reader);
}
reader.ReadInt();
map.GroundCRC = reader.ReadInt();
map.Layers = new DlmLayer[reader.ReadByte()];
for (var i = 0; i < map.Layers.Length; i++)
{
map.Layers[i] = DlmLayer.ReadFromStream(map, reader);
}
map.Cells = new DlmCellData[CellCount];
int?lastMoveZone = null;
for (short i = 0; i < map.Cells.Length; i++)
{
map.Cells[i] = DlmCellData.ReadFromStream(i, map.Version, reader);
if (!lastMoveZone.HasValue)
{
lastMoveZone = map.Cells[i].MoveZone;
}
else if (lastMoveZone != map.Cells[i].MoveZone) // if a cell is different the new system is used
{
map.UsingNewMovementSystem = true;
}
}
return(map);
}
catch (Exception ex)
{
throw new BadEncodedMapException(ex, map);
}
}
public DlmLayer(DlmMap map)
{
Map = map;
}