Improve sorting

src/item/inventory.h

@@ -10,6 +10,13 @@
 
 #define ITEM_STACK_QUANTITY_MAX UINT8_MAX
 
+typedef enum {
+  INVENTORY_SORT_BY_ID,
+  INVENTORY_SORT_BY_TYPE,
+
+  INVENTORY_SORT_COUNT
+} inventorysort_t;
+
 typedef struct {
   itemid_t item;
   uint8_t quantity;
@@ -103,15 +110,14 @@ bool_t inventoryIsFull(const inventory_t *inventory);
 bool_t inventoryItemFull(const inventory_t *inventory, const itemid_t item);
 
 /**
- * Sorts the inventory by item ID in ascending order.
+ * Sorts the inventory based on the specified criteria.
  * 
  * @param inventory The inventory to sort.
+ * @param sortBy The sorting criteria.
+ * @param reverse Whether to sort in reverse order.
  */
-void inventorySortById(inventory_t *inventory);
-
-/**
- * Sorts the inventory by item type in ascending order.
- * 
- * @param inventory The inventory to sort.
- */
-void inventorySortByType(inventory_t *inventory);
+void inventorySort(
+  inventory_t *inventory,
+  const inventorysort_t sortBy,
+  const bool_t reverse
+);