/// <see cref="IMapLoader.LoadMapHeader"/>
public MapHeader LoadMapHeader(byte[] data)
{
if (!this.initThreadStarted)
{
throw new InvalidOperationException("Component has not yet been started!");
}
this.initThread.Join();
if (data == null)
{
throw new ArgumentNullException("data");
}
int offset = 0;
while (offset < data.Length)
{
int parsedBytes;
RCPackage package = RCPackage.Parse(data, offset, data.Length - offset, out parsedBytes);
if (package == null || !package.IsCommitted)
{
throw new MapException("Syntax error!");
}
offset += parsedBytes;
if (package.PackageFormat.ID == MapFileFormat.MAP_HEADER)
{
return(MapHeader.FromPackage(package));
}
}
throw new MapException("Map header information not found!");
}
/// <see cref="IMapLoader.LoadMap"/>
public IMapAccess LoadMap(ITileSet tileset, byte[] data)
{
if (!this.initThreadStarted)
{
throw new InvalidOperationException("Component has not yet been started!");
}
this.initThread.Join();
if (tileset == null)
{
throw new ArgumentNullException("tileset");
}
if (data == null)
{
throw new ArgumentNullException("data");
}
/// Load the packages from the byte array.
RCPackage mapHeaderPackage = null;
RCPackage isotileListPackage = null;
RCPackage terrainObjListPackage = null;
int offset = 0;
while (offset < data.Length)
{
int parsedBytes;
RCPackage package = RCPackage.Parse(data, offset, data.Length - offset, out parsedBytes);
if (package == null || !package.IsCommitted)
{
throw new MapException("Syntax error!");
}
offset += parsedBytes;
if (package.PackageFormat.ID == MapFileFormat.MAP_HEADER)
{
mapHeaderPackage = package;
}
else if (package.PackageFormat.ID == MapFileFormat.ISOTILE_LIST)
{
isotileListPackage = package;
}
else if (package.PackageFormat.ID == MapFileFormat.TERRAINOBJ_LIST)
{
terrainObjListPackage = package;
}
}
/// Validate the packages.
if (mapHeaderPackage == null)
{
throw new MapException("Syntax error: map header is missing!");
}
if (isotileListPackage == null)
{
throw new MapException("Syntax error: isometric-tile-list is missing!");
}
if (terrainObjListPackage == null)
{
throw new MapException("Syntax error: terrain-object-list is missing!");
}
/// Validate the map header.
MapHeader mapHeader = MapHeader.FromPackage(mapHeaderPackage);
if (mapHeader.AppVersion > new Version(ConstantsTable.Get <string>("RC.App.Version")))
{
throw new MapException(string.Format("Incompatible map version: {0}!", mapHeader.AppVersion));
}
if (mapHeader.TilesetName != tileset.Name)
{
throw new ArgumentException(string.Format("The given tileset '{0}' has to equal with the map tileset '{1}'!", tileset.Name, mapHeader.TilesetName), "tileset");
}
if (mapHeader.MapSize.X > MapStructure.MAX_MAPSIZE || mapHeader.MapSize.Y > MapStructure.MAX_MAPSIZE)
{
throw new MapException(string.Format("Map size exceeds the limits: {0}x{0}!", MapStructure.MAX_MAPSIZE));
}
MapAccess retObj = new MapAccess(mapHeader.MapName, this.mapStructure);
this.mapStructure.BeginOpen(tileset, mapHeader.MapSize);
this.LoadIsoTiles(isotileListPackage);
this.mapStructure.EndOpen();
this.LoadTerrainObjects(terrainObjListPackage, retObj);
// TODO: validate MapHeader.MaxPlayers!
// TODO: validate the MapHeader checksums!
return(retObj);
}
