Files
Blitz2/include/blitz/protocol/Packets.h
2024-07-18 20:45:55 +02:00

106 lines
1.9 KiB
C++

#pragma once
#include <blitz/protocol/PacketData.h>
#include <blitz/protocol/PacketDeclare.h>
#include <string>
namespace blitz {
namespace protocol {
class PacketVisitor;
using PacketID = std::uint8_t;
enum class PacketType : PacketID {
// client --> server
PlayerLogin = 0,
UpdateHealth,
// client <-- server
LoggingSuccess,
PlayerDeath,
PlayerJoin,
PlayerLeave,
PlayerList,
PlayerStats,
ServerConfig,
ServerTps,
UpdateGameState,
// client <--> server
KeepAlive,
Disconnect,
ChatMessage,
PlayerPositionAndRotation,
PlayerShoot,
PACKET_COUNT
};
class Packet {
public:
virtual PacketType GetType() const = 0;
virtual void Accept(PacketVisitor& a_Visitor) const = 0;
};
namespace packets {
/**
* \tparam PT The packet type
* \tparam Data The structure holding the data of the packet
*/
template <PacketType PT, typename Data>
class ConcretePacket : public Packet {
public:
using PacketDataType = Data;
PacketDataType m_Data;
ConcretePacket(const PacketDataType& a_Data = {});
constexpr PacketType GetType() const override {
return PT;
};
private:
void Accept(PacketVisitor& a_Visitor) const override;
friend class PacketVisitor;
};
// define BLITZ_INSTANCIATE_PACKETS
// before including this file
// if you want to instantiate templates
#ifdef BLITZ_INSTANCIATE_PACKETS
#define DeclarePacket(PacketName, ...) \
using PacketName = ConcretePacket<PacketType::PacketName, data::PacketName>; \
template class ConcretePacket<PacketType::PacketName, data::PacketName>
#else
#define DeclarePacket(PacketName, ...) using PacketName = ConcretePacket<PacketType::PacketName, data::PacketName>
#endif
DeclareAllPacket()
#undef DeclarePacket
} // namespace packets
} // namespace protocol
} // namespace blitz