undo revert

include/decoration_inventory.h

@@ -1,10 +1,20 @@
 #ifndef GUARD_DECORATION_INVENTORY_H
 #define GUARD_DECORATION_INVENTORY_H
+struct DecorationInventory {
+    u8 *items;
+    u8 size;
+};
+
+extern struct DecorationInventory gDecorationInventories[];
 
 void ClearDecorationInventories(void);
+s8 GetFirstEmptyDecorSlot(u8 idx);
 u8 CheckHasDecoration(u8);
 u8 DecorationAdd(u8);
 u8 DecorationCheckSpace(u8);
 s8 DecorationRemove(u8);
+void CondenseDecorationCategoryN(u8);
+u8 CountDecorationCategoryN(u8 idx);
+u8 CountDecorations(void);
 
 #endif // GUARD_DECORATION_INVENTORY_H