private void AddAreaRecursively(int idx, int step, Block block, List<long> possibleAreas)
{
if (possibleAreas.Contains(block.Area) == false)
possibleAreas.Add(block.Area);
if (idx < Step)
FillPossibleAreas(++idx, step, block, possibleAreas);
}
private void FillPossibleAreas(int idx, int step, Block block, List<long> possibleAreas)
{
Block byHeight = Clone(block);
byHeight.Height += 1;
AddAreaRecursively(idx, step, byHeight, possibleAreas);
Block byLength = Clone(block);
byLength.Length += 1;
AddAreaRecursively(idx, step, byLength, possibleAreas);
}
private static Block Clone(Block block)
{
Block clone = new Block()
{
Height = block.Height,
Length = block.Length
};
return clone;
}
private void GetNextArea(int idx, int step, Block block)
{
var possibleAreas = new List<long>();
FillPossibleAreas(idx, step, block, possibleAreas);
Area = possibleAreas.Random();
}
public void LevelUp(Block block)
{
GetNextArea(0, Step, block);
IncrementStep();
}