public static OffsetCoords GetFreeCell(RoomMatrix grid, OffsetCoords rolled)
{
for (var i = 0; i < grid.Size; i++)
{
for (var j = 0; j < grid.Size; j++)
{
if (IsValidForRoom(grid, rolled, i, j, 1, 1))
{
return(new OffsetCoords(rolled.X + i * 1, rolled.Y + j * 1));
}
if (IsValidForRoom(grid, rolled, i, j, -1, 1))
{
return(new OffsetCoords(rolled.X + i * -1, rolled.Y + j * 1));
}
if (IsValidForRoom(grid, rolled, i, j, 1, -1))
{
return(new OffsetCoords(rolled.X + i * 1, rolled.Y + j * -1));
}
if (IsValidForRoom(grid, rolled, i, j, -1, -1))
{
return(new OffsetCoords(rolled.X + i * -1, rolled.Y + j * -1));
}
}
}
return(null);
}
public void GetFreeCellTest()
{
// ARRANGE
var rooms = new RoomMatrix(10);
rooms.SetRoom(3, 3, new Room());
var testedCoords = new OffsetCoords(3, 3);
// ACT
var factCoords = GenerationHelper.GetFreeCell(rooms, testedCoords);
// ASSERT
factCoords.Should().NotBeNull();
var isEquals = factCoords.X == testedCoords.X && factCoords.Y == testedCoords.Y;
isEquals.Should().BeFalse();
}
private static bool IsValidForRoom(RoomMatrix grid, OffsetCoords rolled, int i, int j, int qx, int qy)
{
var testX = rolled.X + i * qx;
var testY = rolled.Y + j * qy;
if (testX < 0 || testX >= grid.Size)
{
return(false);
}
if (testY < 0 || testY >= grid.Size)
{
return(false);
}
var currentRoom = grid.GetRoom(testX, testY);
var isValid = currentRoom == null;
return(isValid);
}
public static void ClearRoom()
{
RoomMatrix.Clear();
AllRoom.Clear();
}
