gamegrid, falling, Tetrominos, collision and deleting rows

game_manager.py

@@ -18,4 +18,36 @@ class Grid():
                     self.cell_size - 2,
                     self.cell_size - 2
                 )
-                pygame.draw.rect(surface, color, cell_rect)
+                pygame.draw.rect(surface, color, cell_rect)
+
+    def add_tetromino(self, tetromino):
+        """Lock the tetromino into the grid."""
+        for row_idx, row in enumerate(tetromino.shape):
+            for col_idx, cell in enumerate(row):
+                if cell:  # Only lock non-empty cells
+                    grid_x = tetromino.x + col_idx
+                    grid_y = tetromino.y + row_idx
+                    if 0 <= grid_y < self.rows and 0 <= grid_x < self.cols:
+                        self.grid[grid_y][grid_x] = 1
+
+    def check_collision(self, shape, x, y):
+        """Check if the tetromino collides with the grid or boundaries."""
+        for row_idx, row in enumerate(shape):
+            for col_idx, cell in enumerate(row):
+                if cell:  # Only check cells that are part of the tetromino
+                    grid_x = x + col_idx
+                    grid_y = y + row_idx
+
+                    # Check bounds
+                    if grid_x < 0 or grid_x >= self.cols or grid_y >= self.rows:
+                        return True
+
+                    # Check if cell is already occupied
+                    if grid_y >= 0 and self.grid[grid_y][grid_x] != 0:
+                        return True
+
+    def check_full_row(self):
+        """Check for and clear any full rows."""
+        new_grid = [row for row in self.grid if not all(cell == 1 for cell in row)]
+        cleared_rows = len(self.grid) - len(new_grid)
+        self.grid = [[0] * self.cols for _ in range(cleared_rows)] + new_grid