private GemController SpawnGem(int row, int column, bool shouldPreventRepeating)
{
var candidateGemTypes = new List <GemType>();
for (int i = 0; i < (int)GemType.Gem_Count; i++)
{
candidateGemTypes.Add((GemType)i);
}
if (shouldPreventRepeating)
{
var leftRow = row - 1;
if (leftRow >= 0 && _currentGemControllerMatrix[leftRow, column] != null)
{
candidateGemTypes.Remove(_currentGemControllerMatrix[leftRow, column].Type);
}
var topColumn = column - 1;
if (topColumn >= 0 && _currentGemControllerMatrix[row, topColumn] != null)
{
candidateGemTypes.Remove(_currentGemControllerMatrix[row, topColumn].Type);
}
}
var selectedGemType = candidateGemTypes[Random.Range(0, candidateGemTypes.Count)];
var gemController = GemController.CreateGemObject(row, column, selectedGemType, gemSprites[(int)selectedGemType]);
var startX = GameConfig.Instance.gemStartX;
var startY = GameConfig.Instance.gemStartY;
var gemWidth = GameConfig.Instance.gemWidth;
var gemHeight = GameConfig.Instance.gemHeight;
Vector3 pos = new Vector3(0, 0, board.transform.position.z);
pos.x = startX + column * gemWidth;
pos.y = startY - row * gemHeight;
gemController.transform.position = pos;
_currentGemControllerMatrix[row, column] = gemController;
gemController.GemOperationEvent += OnGemOperation;
return(gemController);
}