//returns number of lines (0 to 4)
public int UpdateGrid( bool _absorbTetrimino = false)
{
List<int> linesYIndex = new List<int>(); //will store lines to remove
List<Vector2Int> previousTetriminoCells = m_currentTetrimino.GetPreviousCellsPositions();
List<Vector2Int> newTetriminoCells = m_currentTetrimino.GetCurrentCellsPositions();
//clear old ones
foreach(Vector2Int _pos in previousTetriminoCells)
{
if(PositionIsInsideGrid(_pos))
{
m_gridTab[_pos.x, _pos.y].SetCellType(Cell.eCellType.EMPTY_CELL);
m_gridTab[_pos.x, _pos.y].SetCellTetriminoType(Tetrimino.eTetriminoType.BLANK);
}
}
//set new ones
foreach(Vector2Int _pos in newTetriminoCells)
{
if(PositionIsInsideGrid(_pos))
{
m_gridTab[_pos.x, _pos.y].SetCellType(_absorbTetrimino ? Cell.eCellType.BUSY_CELL : Cell.eCellType.TETRIMINO_CELL);
m_gridTab[_pos.x, _pos.y].SetCellTetriminoType(m_currentTetrimino.GetTetriminoType());
//check lines (maybe redundant but doesn't cost much...)
if(_absorbTetrimino)
{
if(IsMakingALine(_pos.y))
{
if(!linesYIndex.Contains(_pos.y))
linesYIndex.Add(_pos.y);
}
}
}
}
//find lower line to remove
int lowerLineYtoRemove = m_gridSizeY;
foreach (int lineIndex in linesYIndex)
{
if (lineIndex < lowerLineYtoRemove)
lowerLineYtoRemove = lineIndex;
}
//then remove X time the same line
for(int i = 0; i < linesYIndex.Count; i++)
{
RemoveLine(lowerLineYtoRemove);
}
RefreshRendering();
return linesYIndex.Count;
}
