test

src/forza4.c

@@ -0,0 +1,37 @@
+#include <stdio.h>
+
+#include <structures.h>
+
+// checks board for a win
+// returns player number on win, otherwise 0
+// x e y come cartesiani, rows e collums le dimensioni
+int checkWin(tile_t *board, int x, int y, int rows, int collums) {
+    int i;
+	tile_t current = board[x + y * collums];
+
+	// horrizontal
+	for (i=0; i<4; i++) {
+		if (x + i - 3 >= 0 && x + i < collums) {
+			if (board[x + i - 3 + y * collums] == board[x + i + y * collums] &&
+				board[x + i - 2 + y * collums] == board[x + i + y * collums] &&
+				board[x + i - 1 + y * collums] == board[x + i + y * collums]) {
+			
+				return current;
+			}
+		}
+	}
+
+	// vertical
+	for (i=0; i<4; i++) {
+		if (y + i - 3 >= 0 && y + i < rows) {
+			if (board[x + (y + i - 3) * collums] == board[x + (y + i) * collums] &&
+				board[x + (y + i - 2) * collums] == board[x + (y + i) * collums] &&
+				board[x + (y + i - 1) * collums] == board[x + (y + i) * collums]) {
+			
+				return current;
+			}
+		}
+	}
+
+	// diagonal
+}