improved input handling

1 files changed, 23 insertions, 9 deletions

diff --git a/ttt.c b/ttt.c
index 308bf29..fcb3724 100644
--- a/ttt.c
+++ b/ttt.c
@@ -2,20 +2,23 @@
 #include <stdlib.h>
 #include <string.h>
 void draw_board(int boardState[3][3]) {
+	printf("  ABC\n");
 	for(int r = 0; r < 3; r++) {
-		char* line = calloc(3, 1);
+		char* line = calloc(5, 1);
+		line[0] = '1' + r;
+		line[1] = ' ';
 		for(int c = 0; c < 3; c++) {
 			if(boardState[c][r] == 0) {
-				line[c] = '-';
+				line[c + 2] = '-';
 			}
 			else if(boardState[c][r] == 1) {
-				line[c] = 'x';
+				line[c + 2] = 'x';
 			}
 			else if(boardState[c][r] == 2) {
-				line[c] = 'o';
+				line[c + 2] = 'o';
 			}
 			else {
-				line[c] = 'E';
+				line[c + 2] = 'E';
 			}
 		}
 		printf(line);
@@ -105,11 +108,22 @@ int get_game_state(int boardState[3][3]) {
 	}
 }
 int* user_input_pos(int boardState[3][3], int turn) {
+	char* tip = malloc(3 * sizeof(char));
 	int* ip = malloc(2 * sizeof(int));
-	printf("Enter X coordinate: ");
-	scanf("%d", &ip[0]); 
-	printf("Enter Y coordinate: ");
-	scanf("%d", &ip[1]); 
+	printf("Enter coordinates: "); 
+	scanf("%2s", tip);
+	for(int i = 0; i < 2; i++) {
+		if(tip[i] <= '9' && tip[i] >= '0') {
+			ip[1] = tip[i] - '0' - 1;
+		}
+		else if(tip[i] <= 'Z' && tip[i] >= 'A') {
+			ip[0] = tip[i] - 'A';
+		}
+		else {
+			ip[0] = tip[i] - 'a';
+		}
+	}
+	free(tip);
 	return ip;
 }
 struct PosInfo {