/// <summary>
/// Creates a level out of the current state and returns that <see cref="LevelData"/> instance.
/// </summary>
/// <returns>LevelData.</returns>
/// <exception cref="InvalidOperationException">Cannot finalize a level if no cells have been added</exception>
public LevelData CreateLevel()
{
if (!Cells.Any())
{
throw new InvalidOperationException("Cannot finalize a level if no cells have been added");
}
// Build out the level object
var level = new LevelData
{
Id = LevelId,
Name = LevelName,
PlayerStart = PlayerStart
};
// Copy over the cells into the level
foreach (var cell in Cells)
{
level.AddCell(cell);
}
// Set the coordinates of the map based on the cells present
level.UpperLeft = new Pos2D(level.Cells.Min(c => c.Pos.X), level.Cells.Min(c => c.Pos.Y));
level.LowerRight = new Pos2D(level.Cells.Max(c => c.Pos.X), level.Cells.Max(c => c.Pos.Y));
// Mark command requires that the mark pos default to the start location
level.MarkedPos = PlayerStart;
// Ensure all walls are marked external that should be
FinalizePlacedWalls(level);
// Loop over all door cells and ensure that they have floors without walls on the other side of them.
FinalizeDoors(level);
FinalizeFloors(level);
GenerateActors(level);
return(level);
}