/// <summary>
/// Generates a complete level, as a two-dimensional array
/// </summary>
/// <param name="edgeSize">Max size of the edges of the level. Set -1 to have size determined by difficulty</param>
/// <param name="difficulty">Used in generating enemies and size of the level (if edgeSize was -1). 1 is easiest</param>
/// <returns>A two-dimensional array of Room objects</returns>
/// <exception cref="Exception">When trying to generate a level with edge size smaller than 3</exception>
public Room[,] GenerateLevel(int edgeSize, int difficulty)
{
// Setup
if (edgeSize == -1)
{
_edgeSize = 3 + difficulty * 2;
}
else if (edgeSize < 3)
{
throw new Exception("Cannot generate level smaller than 3x3");
}
else
{
_edgeSize = edgeSize;
}
_difficulty = difficulty;
_hasEnd = false;
_level = new Room[_edgeSize, _edgeSize];
// Choose starting place
int x = _random.Next(1, _edgeSize - 1);
int z = _random.Next(1, _edgeSize - 1);
_level[x, z] = new FourWayRoom(x, z, 0)
{
Beginning = true
};
// Starting the recursive generation
ContinueFrom(_level[x, z]);
// Generation finished, return room
return(_level);
}
public void FourWayRoomWorks()
{
var room = new FourWayRoom(11, 9, 3);
Assert.True(room.HasDoorwayTo(0));
Assert.True(room.HasDoorwayTo(1));
Assert.True(room.HasDoorwayTo(2));
Assert.True(room.HasDoorwayTo(3));
}