add dig function to rooms

src/include/room.h

@@ -5,9 +5,9 @@ class Room {
 	public:
 		Room(Coord, Coord);
 		Coord operator[](int);
+		void dig(Level&);
 		Coord getPosition1();
 		Coord getPosition2();
-		void dig(Level);
 	private:
 		Coord topLeft;
 		Coord bottomRight;

src/room.cpp

 #include "include/room.h"
 #include "include/coord.h"
+#include "include/tiles.h"
 #include <stdexcept>
 #include <string>
 
@@ -16,3 +17,12 @@ Coord Room::operator[](int corner) {
 	}
 	throw std::invalid_argument("param must be 0 or 1, not " + std::to_string(corner));
 }
+
+
+void Room::dig(Level& level) {
+	for (auto x=topLeft[0]; x <= bottomRight[0]; x++) {
+		for (auto y=topLeft[1]; y <= bottomRight[1]; y++) {
+			level[Coord(x, y)] = Floor();
+		}
+	}
+}