Document Battle Pyramid Bag

src/item_use.c

@@ -109,8 +109,8 @@ static void SetUpItemUseCallback(u8 taskId)
     }
     else
     {
-        gPyramidBagResources->callback2 = sItemUseCallbacks[type];
-        CloseBattlePyramidBagAndSetCallback(taskId);
+        gPyramidBagMenu->exitCallback = sItemUseCallbacks[type];
+        CloseBattlePyramidBag(taskId);
     }
 }
 
@@ -822,8 +822,8 @@ static void RemoveUsedItem(void)
     }
     else
     {
-        sub_81C5924();
-        sub_81C59BC();
+        UpdatePyramidBagList();
+        UpdatePyramidBagCursorPos();
     }
 }
 
@@ -943,7 +943,7 @@ void ItemUseInBattle_PokeBall(u8 taskId)
         if (!InBattlePyramid())
             Task_FadeAndCloseBagMenu(taskId);
         else
-            CloseBattlePyramidBagAndSetCallback(taskId);
+            CloseBattlePyramidBag(taskId);
     }
     else if (!InBattlePyramid())
     {
@@ -960,7 +960,7 @@ static void Task_CloseStatIncreaseMessage(u8 taskId)
         if (!InBattlePyramid())
             Task_FadeAndCloseBagMenu(taskId);
         else
-            CloseBattlePyramidBagAndSetCallback(taskId);
+            CloseBattlePyramidBag(taskId);
     }
 }
 
@@ -1005,8 +1005,8 @@ static void ItemUseInBattle_ShowPartyMenu(u8 taskId)
     }
     else
     {
-        gPyramidBagResources->callback2 = ChooseMonForInBattleItem;
-        CloseBattlePyramidBagAndSetCallback(taskId);
+        gPyramidBagMenu->exitCallback = ChooseMonForInBattleItem;
+        CloseBattlePyramidBag(taskId);
     }
 }
 
@@ -1039,7 +1039,7 @@ void ItemUseInBattle_Escape(u8 taskId)
         if (!InBattlePyramid())
             DisplayItemMessage(taskId, 1, gStringVar4, Task_FadeAndCloseBagMenu);
         else
-            DisplayItemMessageInBattlePyramid(taskId, gStringVar4, CloseBattlePyramidBagAndSetCallback);
+            DisplayItemMessageInBattlePyramid(taskId, gStringVar4, CloseBattlePyramidBag);
     }
     else
     {