/*
* Check if given piece is placeable onto grid.
*/
public bool IsPlaceable(PieceLogic piece)
{
int pHeight = piece.GetHeight();
int pWidth = piece.GetWidth();
int or = (int)piece.GetOrigin().y;
int oc = (int)piece.GetOrigin().x;
for(int r = 0; r < pHeight; r++)
for(int c = 0; c < pWidth; c++)
{
// if cell is NoColor it's not necessary to check it.
if(piece.GetCell(r,c).Match(CellColor.NoColor))
continue;
// piece cell position on grid
int row = or - r;
int col = oc + c;
// if cell outbounds of the grid, return false.
if(row < 0 || row >= HEIGHT || col < 0 || col >= WIDTH)
return false;
// if that cell is already taken, return false.
if(!cells[row][col].Match(CellColor.NoColor))
return false;
}
return true;
}
public void Copy(PieceLogic root)
{
SetWidth(root.GetWidth());
SetHeight(root.GetHeight());
ResetCells();
for(int r = 0; r < height; r++)
for(int c = 0; c < width; c++)
{
cells[r][c].SetColor(root.GetCell(r,c).GetColor());
cells[r][c].SetFeature(root.GetCell(r,c).GetFeature());
}
}
/*
* Put given piece onto grid.
* The piece will be colidable when consolidated.
*/
public void ConsolidatePiece(PieceLogic piece)
{
int pHeight = piece.GetHeight();
int pWidth = piece.GetWidth();
int oc = (int)piece.GetOrigin().x;
int or = (int)piece.GetOrigin().y;
// Printing piece onto grid
for(int r = 0; r < pHeight; r++)
for(int c = 0; c < pWidth; c++)
{
// sanity check for when piece is not completely shown.
if(or-r < 0) continue;
if(!piece.GetCell(r,c).Match(CellColor.NoColor))
{
cells[or-r][oc+c].SetColor(piece.GetCell(r,c).GetColor());
cells[or-r][oc+c].SetFeature(piece.GetCell(r,c).GetFeature());
}
}
}