Implement item quick growth

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

@@ -0,0 +1,40 @@
+package emu.nebula.server.handlers;
+
+import emu.nebula.net.NetHandler;
+import emu.nebula.net.NetMsgId;
+import emu.nebula.proto.ItemQuickGrowth.ItemGrowthReq;
+import emu.nebula.net.HandlerId;
+import emu.nebula.game.player.PlayerChangeInfo;
+import emu.nebula.net.GameSession;
+
+@HandlerId(NetMsgId.item_quick_growth_req)
+public class HandlerItemQuickGrowthReq extends NetHandler {
+
+    @Override
+    public byte[] handle(GameSession session, byte[] message) throws Exception {
+        // Parse request
+        var req = ItemGrowthReq.parseFrom(message);
+        
+        // Init change
+        var change = new PlayerChangeInfo();
+        
+        // Create items
+        for (var item : req.getList()) {
+            if (item.hasProduct()) {
+                session.getPlayer().getInventory().produce(
+                        item.getProduct().getId(),
+                        item.getProduct().getNum(),
+                        change
+                );
+            }
+        }
+        
+        if (change.isEmpty()) {
+            return session.encodeMsg(NetMsgId.item_quick_growth_failed_ack);
+        }
+        
+        // Send response
+        return session.encodeMsg(NetMsgId.item_quick_growth_succeed_ack, change.toProto());
+    }
+
+}