/// <summary>
/// Saves this map into the given file you pass.
/// </summary>
/// <param name="url">Url of file to save map to.</param>
/// <param name="baseNode">The base node that all saving should be started from, this allows you to ignore this node and any nodes higher in the graph like the Root Camera.</param>
public void Save(object url, SceneNode baseNode)
{
// Try and open a stream to the file.
Stream stream = StreamFactory.RequestStream(url, StreamMode.Truncate);
if (stream == null)
{
return;
}
BinaryWriter writer = new BinaryWriter(stream);
// Write in the magic number (Always FMP).
writer.Write(new char[] { 'F', 'M', 'P' });
// Write in the file header.
byte stateHeader = 0;
if (_mapProperties.Compress == true)
{
stateHeader |= 1;
}
if (_mapProperties.Encrypt == true)
{
stateHeader |= 2;
}
if (_mapProperties.Name != null)
{
stateHeader |= 4;
}
if (_mapProperties.Author != null)
{
stateHeader |= 8;
}
if (_mapProperties.Description != null)
{
stateHeader |= 16;
}
if (_mapProperties.Version != 0)
{
stateHeader |= 32;
}
writer.Write(stateHeader);
if (_mapProperties.Name != null)
{
writer.Write(_mapProperties.Name);
}
if (_mapProperties.Author != null)
{
writer.Write(_mapProperties.Author);
}
if (_mapProperties.Description != null)
{
writer.Write(_mapProperties.Description);
}
if (_mapProperties.Version != 0)
{
writer.Write(_mapProperties.Version);
}
// Create a new memory stream to write main data into.
MemoryStream memStream = new MemoryStream();
BinaryWriter memStreamWriter = new BinaryWriter(memStream);
// Write in a encryption / compression checker.
if (_mapProperties.Compress == true || (_mapProperties.Encrypt && _mapProperties.Password != ""))
{
memStreamWriter.Write(new char[] { 'C', 'H', 'K' });
}
// Save in the tileset pool used to render tilemap segments.
memStreamWriter.Write((byte)Tileset.TilesetPool.Count);
foreach (Tileset tileset in Tileset.TilesetPool)
{
memStreamWriter.Write(tileset.Url is string);
if (tileset.Url is string)
{
memStreamWriter.Write((string)tileset.Url);
}
}
// Tell the scene graph to save itself into the stream.
_sceneGraph.Save(memStreamWriter, baseNode);
// Close the memory stream.
byte[] buffer = memStream.ToArray();
memStreamWriter.Close();
memStream.Close();
// Compress the data if required.
if (_mapProperties.Compress == true)
{
buffer = DataMethods.Deflate(buffer);
}
// Encrypt the data if required.
if (_mapProperties.Encrypt == true && _mapProperties.Password != "")
{
buffer = DataMethods.Encrypt(buffer, _mapProperties.Password);
}
// Write main data into main stream.
writer.Write(buffer, 0, buffer.Length);
// Sweep up the dirt.
writer.Close();
}