cleanup

src/marble_engine/board.rs

@@ -117,7 +117,31 @@ impl Board {
 		}
 	}
 
-	pub fn grow_to_include(&mut self, p: Pos) -> (PosInt,PosInt) {
+	pub fn paste_board(&mut self, pos: Pos, source: &Board) {
+		for x in 0..source.width() {
+			for y in 0..source.height() {
+				let offset = (x, y).into();
+				if let Some(tile) = source.get(offset) {
+					self.set(offset + pos, tile);
+				}
+			}
+		}
+	}
+
+	pub fn get_rect(&self, pos: Pos, width: usize, height: usize) -> Board {
+		let mut out = Board::new_empty(width, height);
+		for x in 0..width {
+			for y in 0..height {
+				let offset = (x, y).into();
+				if let Some(tile) = self.get(offset + pos) {
+					out.set(offset, tile);
+				}
+			}
+		}
+		out
+	}
+
+	pub fn grow_to_include(&mut self, p: Pos) -> (PosInt, PosInt) {
 		let mut offset_x = 0;
 		let mut offset_y = 0;
 		if p.x < 0 {