added trying to show as many keys as possible in the default game panel

diff --git a/src/game.c b/src/game.c
index b39383fdd3cbcb0d789e1f97ca213454de3db429..14dc59eb8b3d4afb3d0612acee25b480cbf53f8b 100644 (file)
--- a/src/game.c
+++ b/src/game.c
@@ -2325,6 +2325,43 @@ static void UpdateGameControlValues(void)
       stored_player[player_nr].num_white_keys;
   }
 
+  // try to display as many collected keys as possible in the default game panel
+  for (i = STD_NUM_KEYS; i < MAX_NUM_KEYS + 1; i++)    // EMC keys + white key
+  {
+    int nr = GAME_PANEL_KEY_1 + i;
+    int emc_key = get_key_element_from_nr(i);
+    int element = (i < MAX_NUM_KEYS ? emc_key : EL_DC_KEY_WHITE);
+    struct GamePanelControlInfo *gpc = &game_panel_controls[nr];
+    struct TextPosInfo *pos = gpc->pos;
+
+    // check if panel position is undefined for a certain EMC key or white key
+    if (gpc->value != EL_EMPTY && pos->x == -1 && pos->y == -1)
+    {
+      int nr_new = GAME_PANEL_KEY_1 + i % STD_NUM_KEYS;
+
+      // 1st try: display key at the same position as normal or EM keys
+      if (game_panel_controls[nr_new].value == EL_EMPTY)
+      {
+       game_panel_controls[nr_new].value = element;
+      }
+      else
+      {
+       // 2nd try: display key at the next free position in the key panel
+       for (k = 0; k < STD_NUM_KEYS; k++)
+       {
+         nr_new = GAME_PANEL_KEY_1 + k;
+
+         if (game_panel_controls[nr_new].value == EL_EMPTY)
+         {
+           game_panel_controls[nr_new].value = element;
+
+           break;
+         }
+       }
+      }
+    }
+  }
+
   for (i = 0; i < NUM_PANEL_INVENTORY; i++)
   {
     game_panel_controls[GAME_PANEL_INVENTORY_FIRST_1 + i].value =