add buy packets

include/protocol/Protocol.h

@@ -41,6 +41,10 @@ enum class PacketType : std::uint8_t {
     Disconnect,
     UpgradeTower,
     RemoveTower,
+    PlayerBuyItem,
+    PlayerBuyMobUpgrade,
+
+    PACKET_COUNT
 };
 
 struct WorldHeader {
@@ -573,5 +577,55 @@ public:
     virtual PacketType GetType() const { return PacketType::UpdateCastleLife; }
 };
 
+enum class ItemType : std::uint8_t {
+    // Upgrades
+    ClickerUpgrade,
+    GoldPerSecUpgrade,
+
+    // Items
+};
+
+/** Packet used by the client to buy items or upgrades
+    Packet used by the server to confirm transaction  */
+class PlayerBuyItemPacket : public Packet {
+private:
+    ItemType m_ItemType;
+    std::uint8_t m_Count;
+public:
+    PlayerBuyItemPacket() {}
+    PlayerBuyItemPacket(ItemType itemType, std::uint8_t count) : m_ItemType(itemType), m_Count(count) {}
+    virtual ~PlayerBuyItemPacket() {}
+
+    virtual DataBuffer Serialize(bool packetID = true) const;
+    virtual void Deserialize(DataBuffer& data);
+    virtual void Dispatch(PacketHandler* handler) const;
+
+    ItemType GetItemType() const { return m_ItemType; }
+    std::uint8_t GetCount() const { return m_Count; }
+
+    virtual PacketType GetType() const { return PacketType::PlayerBuyItem; }
+};
+
+/** Packet used by the client to buy mob upgrades
+    Packet used by the server to confirm transaction  */
+class PlayerBuyMobUpgradePacket : public Packet {
+private:
+    game::MobType m_MobType;
+    std::uint8_t m_MobLevel;
+public:
+    PlayerBuyMobUpgradePacket() {}
+    PlayerBuyMobUpgradePacket(game::MobType mobType, std::uint8_t level) : m_MobType(mobType), m_MobLevel(level) {}
+    virtual ~PlayerBuyMobUpgradePacket() {}
+
+    virtual DataBuffer Serialize(bool packetID = true) const;
+    virtual void Deserialize(DataBuffer& data);
+    virtual void Dispatch(PacketHandler* handler) const;
+
+    game::MobType GetMobType() const { return m_MobType; }
+    std::uint8_t GetLevel() const { return m_MobLevel; }
+
+    virtual PacketType GetType() const { return PacketType::PlayerBuyMobUpgrade; }
+};
+
 }  // namespace protocol
 }  // namespace td