Compute floor surface and display world properties

main.cc

@@ -50,10 +50,13 @@ class World
 		// Unidimensional array for tiles
 		int* board;
 
+		// Number of empty tiles
+		unsigned int tileQuantity;
+
 	public:
 		// Constructor
 		World(unsigned int l_, unsigned int h_, double p)
-			:l(l_), h(h_), size(l_ * h_)
+			:l(l_), h(h_), size(l_ * h_), tileQuantity(size)
 		{
 			board = new int[size]();
 
@@ -62,6 +65,7 @@ class World
 			{
 				board[i * l] = WALL;
 				board[i * l + l - 1] = WALL;
+				tileQuantity -= 2;
 			}
 
 			// Add walls to the first and last lines
@@ -69,6 +73,7 @@ class World
 			{
 				board[j] = WALL;
 				board[(h - 1) * l + j] = WALL;
+				tileQuantity -= 2;
 			}
 
 			for (unsigned int i = 0; i < h; i++)
@@ -80,6 +85,7 @@ class World
 					if ((double) rand() / RAND_MAX < p && !(i == 1 && j == 1) && !(i == h - 2 && j == l - 2))
 					{
 						board[i * l + j] = WALL;
+						tileQuantity --;
 					}
 				}
 			}
@@ -350,6 +356,12 @@ class World
 			cout << discovered.size() << " tiles discovered;" << endl;
 			cout << path.size() << " path length." << endl;
 		}
+
+		void showProperties() {
+			cout << "Length : " << l << endl;
+			cout << "Height : " << h << endl;
+			cout << "Number of floor tiles : " << tileQuantity << endl;
+		}
 };
 
 int main()
@@ -368,6 +380,7 @@ int main()
 
 	// Display it
 	cout << endl << "Generated world" << endl;
+	w.showProperties();
 	w.markOne(start, ORIGIN);
 	w.markOne(end, TARGET);
 	w.display();