feat: add upgrade tower (non gui)

include/protocol/PacketHandler.h

@@ -37,6 +37,7 @@ public:
     virtual void HandlePacket(WorldAddTowerPacket* packet) {}
     virtual void HandlePacket(WorldRemoveTowerPacket* packet) {}
     virtual void HandlePacket(SendMobsPacket* packet) {}
+    virtual void HandlePacket(UpgradeTowerPacket* packet) {}
 };
 
 } // namespace protocol

include/protocol/Protocol.h

@@ -36,6 +36,7 @@ enum class PacketType : std::uint8_t {
     // client <--> server
     KeepAlive,
     Disconnect,
+    UpgradeTower,
 };
 
 struct WorldHeader {
@@ -490,6 +491,24 @@ public:
     virtual PacketType getType() const { return PacketType::WorldRemoveTower; }
 };
 
+class UpgradeTowerPacket : public Packet {
+private:
+    game::TowerID m_TowerID;
+    game::TowerLevel m_TowerLevel;
+public:
+    UpgradeTowerPacket() {}
+    UpgradeTowerPacket(game::TowerID tower, game::TowerLevel level) : m_TowerID(tower), m_TowerLevel(level) {}
+    virtual ~UpgradeTowerPacket() {}
+
+    virtual DataBuffer Serialize() const;
+    virtual void Deserialize(DataBuffer& data);
+    virtual void Dispatch(PacketHandler* handler);
+
+    game::TowerID getTowerID() const { return m_TowerID; }
+    game::TowerLevel getTowerLevel() const { return m_TowerLevel; }
+
+    virtual PacketType getType() const { return PacketType::UpgradeTower; }
+};
 
 }
 }