[BREAKING] Item Usage Overhaul

-De-hardcode elemental orb values
-De-hardcode exp items
-Change ShopChest format (temporary, drop system overhaul will replace it entirely)
-Food healing actually uses Ability data for real HP amounts

src/main/java/emu/grasscutter/game/combine/CombineManger.java

@@ -8,7 +8,6 @@ import emu.grasscutter.data.excels.CombineData;
 import emu.grasscutter.game.inventory.GameItem;
 import emu.grasscutter.game.player.Player;
 import emu.grasscutter.game.props.ActionReason;
-import emu.grasscutter.game.props.ItemUseOp;
 import emu.grasscutter.net.proto.RetcodeOuterClass;
 import emu.grasscutter.net.proto.RetcodeOuterClass.Retcode;
 import emu.grasscutter.server.game.BaseGameSystem;
@@ -43,24 +42,12 @@ public class CombineManger extends BaseGameSystem {
         }
     }
 
-    public boolean unlockCombineDiagram(Player player, GameItem diagramItem) {
-        // Make sure this is actually a diagram.
-        if (diagramItem.getItemData().getItemUse().get(0).getUseOp() != ItemUseOp.ITEM_USE_UNLOCK_COMBINE) {
-            return false;
+    public boolean unlockCombineDiagram(Player player, int combineId) {
+        if (!player.getUnlockedCombines().add(combineId)) {
+            return false;  // Already unlocked
         }
-
-        // Determine the combine item we should unlock.
-        int combineId = Integer.parseInt(diagramItem.getItemData().getItemUse().get(0).getUseParam()[0]);
-
-        // Remove the diagram from the player's inventory.
-        // We need to do this here, before sending CombineFormulaDataNotify, or the the combine UI won't correctly
-        // update when unlocking the diagram.
-        player.getInventory().removeItem(diagramItem, 1);
-
         // Tell the client that this diagram is now unlocked and add the unlocked item to the player.
-        player.getUnlockedCombines().add(combineId);
         player.sendPacket(new PacketCombineFormulaDataNotify(combineId));
-
         return true;
     }