added diag checks, still bugs

main.c

@@ -132,9 +132,13 @@ void ai_choice(char player){
 char check_win(){
     char flag = ' ';
 
+    //no i know there is a better way to check for a win cond.
+    //buuttt ill do what i wanna
+    //and repeat all the checks twice (player 1 and player 2)!
+
     //check vert
-    for (int i = 0; i < COLUMNS; ++i) {
+    for(int i = 0; i < COLUMNS; ++i) {
-       for (int j = 0; j < ROWS; ++j) {
+        for(int j = 0; j < ROWS; ++j) {
             if(board[i][j] == PLAYER1 && board[i][j+1] == PLAYER1 && board[i][j+2] == PLAYER1 && board[i][j+3] == PLAYER1){
                 flag = PLAYER1;
            }
@@ -142,8 +146,8 @@ char check_win(){
     }
 
     //check horiz
-    for (int i = 0; i < ROWS; ++i) {
+    for(int i = 0; i < ROWS; ++i) {
-       for (int j = 0; j < COLUMNS; ++j) {
+        for(int j = 0; j < COLUMNS; ++j) {
             if(board[i][j] == PLAYER1 && board[i+1][j] == PLAYER1 && board[i+2][j] == PLAYER1 && board[i+3][j] == PLAYER1){
                 flag = PLAYER1;
            }
@@ -151,8 +155,56 @@ char check_win(){
     }
 
     //check diagright
+    for(int i = 0; i < ROWS; ++i){
+        for(int j = 0; j < COLUMNS; ++j) {
+            if(board[i][j] == PLAYER1 && board[i-1][j+1] == PLAYER1 && board[i-2][j+2] == PLAYER1 && board[i-3][j+3] == PLAYER1){
+                flag = PLAYER1;
+            }
+        }
+    }
     //check diagleft
+    for(int i = 0; i < ROWS; ++i){
+        for(int j = 0; j < COLUMNS; ++j) {
+            if(board[i][j] == PLAYER1 && board[i-1][j-1] == PLAYER1 && board[i-2][j-2] == PLAYER1 && board[i-3][j-3] == PLAYER1){
+                flag = PLAYER1;
+            }
+        }
+    }
+
+    //check vert
+    for(int i = 0; i < COLUMNS; ++i) {
+        for(int j = 0; j < ROWS; ++j) {
+            if(board[i][j] == PLAYER2 && board[i][j+1] == PLAYER2 && board[i][j+2] == PLAYER2 && board[i][j+3] == PLAYER2){
+                flag = PLAYER2;
+           }
+       } 
+    }
 
+    //check horiz
+    for(int i = 0; i < ROWS; ++i) {
+        for(int j = 0; j < COLUMNS; ++j) {
+            if(board[i][j] == PLAYER2 && board[i+1][j] == PLAYER2 && board[i+2][j] == PLAYER2 && board[i+3][j] == PLAYER2){
+                flag = PLAYER2;
+           }
+       } 
+    }
+
+    //check diagright
+    for(int i = 0; i < ROWS; ++i){
+        for(int j = 0; j < COLUMNS; ++j) {
+            if(board[i][j] == PLAYER2 && board[i-1][j+1] == PLAYER2 && board[i-2][j+2] == PLAYER2 && board[i-3][j+3] == PLAYER2){
+                flag = PLAYER2;
+            }
+        }
+    }
+    //check diagleft
+    for(int i = 0; i < ROWS; ++i){
+        for(int j = 0; j < COLUMNS; ++j) {
+            if(board[i][j] == PLAYER2 && board[i-1][j-1] == PLAYER2 && board[i-2][j-2] == PLAYER2 && board[i-3][j-3] == PLAYER2){
+                flag = PLAYER2;
+            }
+        }
+    }
 
     return flag;