feat: make game interactive

1 files changed, 9 insertions, 8 deletions

diff --git a/src/main.c b/src/main.c
index edb553b..c66ab37 100644
--- a/src/main.c
+++ b/src/main.c
@@ -292,8 +292,7 @@ int compute_score(int* board) {
 // Value here is white material advantage over black
 // Alpha is the best value for maximizer (white)
 // Beta is the best value for minimizer (black)
-int find_best_move(int* board, int color, int depth, int alpha, int beta) {
-  int best_move[2];
+int find_best_move(int best_move[2], int* board, int color, int depth, int alpha, int beta) {
   int fake_board[128];
   int is_maximizer = (color == 0);
   int best_value = is_maximizer ? -INFINITY : INFINITY;
@@ -319,8 +318,9 @@ int find_best_move(int* board, int color, int depth, int alpha, int beta) {
 
               apply_move(move, fake_board);
 
+              int dummy[2];
               int value = depth < MAX_DEPTH
-                ? find_best_move(fake_board, 1 - color, depth + 1, alpha, beta)
+                ? find_best_move(dummy, fake_board, 1 - color, depth + 1, alpha, beta)
                 : compute_score(fake_board);
 
               if (is_maximizer) {
@@ -365,13 +365,14 @@ int main() {
 
 
   int move[2];
-  int color = 0;
+  int color = WHITE;
 
   while (1) {
-    printf("Current score is %i\n", compute_score(board));
-    find_best_move(board, color, 0, -INFINITY, +INFINITY);
-    printf("Enter a move for %s:\n", COLORS[color]);
-    input_move(move);
+    if (color == WHITE) {
+      printf("Current score is %i\n", compute_score(board));
+      printf("Enter a move for %s:\n", COLORS[color]);
+      input_move(move);
+    } else find_best_move(move, board, color, 0, -INFINITY, +INFINITY);
 
     int error = validate_move(move, color, board);
     if (error < 0) {