Implement character/disc selectors

src/main/java/emu/nebula/game/inventory/Inventory.java

@@ -618,7 +618,7 @@ public class Inventory extends PlayerManager implements GameDatabaseObject {
         return change.setSuccess(true);
     }
     
-    public PlayerChangeInfo useItem(int id, int count, PlayerChangeInfo change) {
+    public PlayerChangeInfo useItem(int id, int count, int selectId, PlayerChangeInfo change) {
         // Player change info
         if (change == null) {
             change = new PlayerChangeInfo();
@@ -643,6 +643,21 @@ public class Inventory extends PlayerManager implements GameDatabaseObject {
             case 2 -> {
                 // Add items
                 this.addItems(data.getUseParams(), change);
+                
+                // Success
+                success = true;
+            }
+            case 3 -> {
+                // Selected item
+                int selectCount = data.getUseParams().get(selectId);
+                
+                if (selectCount <= 0) {
+                    return change;
+                }
+                
+                // Add selected item
+                this.addItem(selectId, selectCount, change);
+                
                 // Success
                 success = true;
             }

src/main/java/emu/nebula/server/handlers/HandlerItemUseReq.java

@@ -25,7 +25,12 @@ public class HandlerItemUseReq extends NetHandler {
         
         // Use item
         for (var param : req.getUse().getList()) {
-            session.getPlayer().getInventory().useItem(param.getTid(), param.getQty(), change);
+            session.getPlayer().getInventory().useItem(param.getTid(), param.getQty(), 0, change);
+        }
+        
+        // Pick item
+        for (var param : req.getPick().getList()) {
+            session.getPlayer().getInventory().useItem(param.getTid(), param.getQty(), param.getSelectTid(), change);
         }
         
         // Encode and send