Add win condition.

Author: nielssp

src/game.c

@@ -62,11 +62,13 @@ GameRule *new_game_rule(GameRuleType type) {
   rule->next_rank = RANK_ANY;
   rule->move_group = MOVE_ONE;
   rule->from = RULE_ANY;
+  rule->win_rank = RANK_NONE;
   switch (type) {
     case RULE_FOUNDATION:
       rule->first_rank = RANK_ACE;
       rule->next_suit = SUIT_SAME;
       rule->next_rank = RANK_UP;
+      rule->win_rank = RANK_KING;
       break;
     case RULE_TABLEAU:
       rule->next_suit = SUIT_ANY;
@@ -536,3 +538,15 @@ int turn_card(Card *card) {
   }
   return 0;
 }
+
+int check_win_condition(Pile *piles) {
+  for (Pile *p = piles; p; p = p->next) {
+    if (p->rule->win_rank != RANK_NONE) {
+      Card *top = get_top(p->stack);
+      if (!check_first_rank(top, p->rule->win_rank)) {
+        return 0;
+      }
+    }
+  }
+  return 1;
+}

src/game.h

@@ -90,6 +90,7 @@ struct game_rule {
   GameRuleRank next_rank;
   GameRuleMove move_group;
   GameRuleType from;
+  GameRuleRank win_rank;
 };
 
 struct pile {
@@ -117,6 +118,7 @@ int move_to_foundation(Card *src, Pile *src_pile, Pile *piles);
 int move_to_free_cell(Card *src, Pile *src_pile, Pile *piles);
 int auto_move_to_foundation(Pile *piles);
 int turn_card(Card *card);
+int check_win_condition(Pile *piles);
 
 void clear_undo_history();
 void undo_move();

src/rc.c

@@ -58,6 +58,7 @@ typedef enum {
   K_NEXT_SUIT,
   K_MOVE_GROUP,
   K_FROM,
+  K_WIN_RANK,
   K_REDEAL,
   K_X_SPACING,
   K_Y_SPACING,
@@ -141,6 +142,7 @@ struct symbol game_rule_commands[] ={
   {"next_suit", K_NEXT_SUIT},
   {"move_group", K_MOVE_GROUP},
   {"from", K_FROM},
+  {"win_rank", K_WIN_RANK},
   {NULL, K_UNDEFINED}
 };
 
@@ -637,6 +639,9 @@ GameRule *define_game_rule(FILE *file, GameRuleType type, int index) {
       case K_FROM:
         rule->from = read_from_rule(file);
         break;
+      case K_WIN_RANK:
+        rule->win_rank = read_rank(file);
+        break;
       default:
         break;
     }

src/ui.c

@@ -173,7 +173,6 @@ int print_tableau(int y, int x, Card *bottom, Theme *theme) {
   }
 }
 
-
 void print_pile(Pile *pile, Theme *theme) {
   int y = pile->rule->y * (theme->height + theme->y_spacing);
   if (pile->rule->type == RULE_STOCK) {
@@ -191,8 +190,27 @@ void print_pile(Pile *pile, Theme *theme) {
   }
 }
 
+int ui_victory(Pile *piles) {
+  getmaxyx(stdscr, win_h, win_w);
+  int start_y = win_h / 2 - 3;
+  int start_x = win_w >= 38 ? win_w / 2 - 19 : 0;
+  mvprintw(start_y    , start_x, "**************************************");
+  mvprintw(start_y + 1, start_x, "*              VICTORY!              *");
+  mvprintw(start_y + 2, start_x, "* Press 'r' to redeal or 'q' to quit *");
+  mvprintw(start_y + 3, start_x, "**************************************");
+  while (1) {
+    switch (getch()) {
+      case 'r':
+        return 1;
+      case 'q':
+        return 0;
+    }
+  }
+}
+
 int ui_loop(Game *game, Theme *theme, Pile *piles) {
   MEVENT mouse;
+  int move_made = 0;
   int mouse_action = 0;
   selection = NULL;
   selection_pile = NULL;
@@ -224,6 +242,14 @@ int ui_loop(Game *game, Theme *theme, Pile *piles) {
     refresh();
 
     attron(COLOR_PAIR(COLOR_PAIR_BACKGROUND));
+
+    if (move_made) {
+      if (check_win_condition(piles)) {
+        return ui_victory(piles);
+      }
+      move_made = 0;
+    }
+
     int ch;
     if (mouse_action) {
       ch = mouse_action;
@@ -291,6 +317,7 @@ int ui_loop(Game *game, Theme *theme, Pile *piles) {
             if (cursor_card->up) {
               if (selection == cursor_card) {
                 if (move_to_foundation(cursor_card, cursor_pile, piles) || move_to_free_cell(cursor_card, cursor_pile, piles)) {
+                  move_made = 1;
                   clear();
                   selection = NULL;
                   selection_pile = NULL;
@@ -301,13 +328,15 @@ int ui_loop(Game *game, Theme *theme, Pile *piles) {
               }
             } else if (cursor_pile->rule->type == RULE_STOCK) {
               if (move_to_waste(cursor_card, cursor_pile, piles)) {
+                move_made = 1;
                 clear();
               }
             } else {
               turn_card(cursor_card);
             }
           } else if (cursor_pile->rule->type == RULE_STOCK) {
             if (redeal(cursor_pile, piles)) {
+              move_made = 1;
               clear();
             } else {
               mvprintw(0, 0, "no more redeals");
@@ -319,6 +348,7 @@ int ui_loop(Game *game, Theme *theme, Pile *piles) {
       case 10: // enter
         if (selection && cursor_pile) {
           if (legal_move_stack(cursor_pile, selection, selection_pile)) {
+            move_made = 1;
             clear();
             selection = NULL;
             selection_pile = NULL;
@@ -327,6 +357,7 @@ int ui_loop(Game *game, Theme *theme, Pile *piles) {
         break;
       case 'a':
         if (auto_move_to_foundation(piles)) {
+          move_made = 1;
           clear();
         }
         break;