public static DlmLayer ReadFromStream(DlmMap map, IDataReader reader)
{
var layer = new DlmLayer(map);
layer.LayerId = 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 DlmCell ReadFromStream(DlmLayer layer, IDataReader reader)
{
var cell = new DlmCell(layer);
cell.Id = reader.ReadShort();
cell.Elements = new DlmBasicElement[reader.ReadShort()];
for (int i = 0; i < cell.Elements.Length; i++)
{
DlmBasicElement element =
DlmBasicElement.ReadFromStream(cell, reader);
cell.Elements[i] = element;
}
return(cell);
}
public DlmCell(DlmLayer layer)
{
Layer = layer;
}
public static DlmMap ReadFromStream(IDataReader givenReader, DlmReader dlmReader)
{
var reader = givenReader;
var map = new DlmMap();
map.Version = reader.ReadByte();
map.Id = reader.ReadInt();
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 (int 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 >= 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 (int i = 0; i < map.BackgroudFixtures.Length; i++)
{
map.BackgroudFixtures[i] = DlmFixture.ReadFromStream(map, reader);
}
map.ForegroundFixtures = new DlmFixture[reader.ReadByte()];
for (int 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 (int 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);
}