gros push encore

.gitignore

@@ -6,3 +6,4 @@ build/
 .DS_Store
 
 
+.vscode

include/td/Types.h

@@ -1,7 +1,7 @@
 #pragma once
 
 #include <cstdint>
-#include <fpm/fpm.hpp>
+#include <fpm/fixed.hpp>
 
 namespace td {
 
@@ -63,4 +63,6 @@ struct EntityCoords {
 	fpm::fixed_16_16 y;
 };
 
+using PeerID = std::uint16_t;
+
 }  // namespace td

include/td/common/DataBuffer.h

@@ -0,0 +1,286 @@
+#pragma once
+
+/**
+ * \file DataBuffer.h
+ * \brief File containing the td::DataBuffer class
+ */
+
+#include <algorithm>
+#include <cassert>
+#include <cstdint>
+#include <cstring>
+#include <string>
+#include <vector>
+
+namespace td {
+
+/**
+ * \class DataBuffer
+ * \brief Class used to manipulate memory
+ */
+class DataBuffer {
+  private:
+	typedef std::vector<std::uint8_t> Data;
+	Data m_Buffer;
+	std::size_t m_ReadOffset;
+
+  public:
+	typedef Data::iterator iterator;
+	typedef Data::const_iterator const_iterator;
+	typedef Data::reference reference;
+	typedef Data::const_reference const_reference;
+	typedef Data::difference_type difference_type;
+
+	DataBuffer();
+	DataBuffer(const DataBuffer& other);
+	DataBuffer(const DataBuffer& other, difference_type offset);
+	DataBuffer(DataBuffer&& other);
+	DataBuffer(const std::string& str);
+
+	DataBuffer& operator=(const DataBuffer& other);
+	DataBuffer& operator=(DataBuffer&& other);
+
+	/**
+	 * \brief Append data to the buffer
+	 */
+	template <typename T>
+	void Append(const T& data) {
+		std::size_t size = sizeof(data);
+		std::size_t end_pos = m_Buffer.size();
+		m_Buffer.resize(m_Buffer.size() + size);
+		std::memcpy(&m_Buffer[end_pos], &data, size);
+	}
+
+	/**
+	 * \brief Append data to the buffer
+	 */
+	template <typename T>
+	DataBuffer& operator<<(const T& data) {
+		Append(data);
+		return *this;
+	}
+
+	/**
+	 * \brief Append a string to the buffer
+	 * \warning Don't use it for binary data !
+	 * \param str The string to append
+	 */
+	DataBuffer& operator<<(const std::string& str) {
+		std::size_t strlen = str.length() + 1;	// including null character
+		Resize(GetSize() + strlen);
+		std::memcpy(m_Buffer.data() + GetSize() - strlen, str.data(), strlen);
+		return *this;
+	}
+
+	/**
+	 * \brief Append data to the buffer from another const buffer
+	 * \param data The buffer to append
+	 */
+	DataBuffer& operator<<(const DataBuffer& data) {
+		m_Buffer.insert(m_Buffer.end(), data.begin(), data.end());
+		return *this;
+	}
+
+	/**
+	 * \brief Read some data from the buffer and assign to desired variable
+	 */
+	template <typename T>
+	DataBuffer& operator>>(T& data) {
+		assert(m_ReadOffset + sizeof(T) <= GetSize());
+		data = *(reinterpret_cast<T*>(&m_Buffer[m_ReadOffset]));
+		m_ReadOffset += sizeof(T);
+		return *this;
+	}
+
+	/**
+	 * \brief Read some data from the buffer and assign to the new buffer
+	 * \param data The buffer to assign
+	 */
+	DataBuffer& operator>>(DataBuffer& data) {
+		data.Resize(GetSize() - m_ReadOffset);
+		std::copy(m_Buffer.begin() + static_cast<difference_type>(m_ReadOffset), m_Buffer.end(), data.begin());
+		m_ReadOffset = m_Buffer.size();
+		return *this;
+	}
+
+	/**
+	 * \brief Read a string from the buffer
+	 * \param str The string to assign in the new buffer
+	 * \warning Don't use it for binary data !
+	 */
+	DataBuffer& operator>>(std::string& str) {
+		std::size_t stringSize =
+			strlen(reinterpret_cast<const char*>(m_Buffer.data()) + m_ReadOffset) + 1;	// including null character
+		str.resize(stringSize);
+		std::copy(m_Buffer.begin() + static_cast<difference_type>(m_ReadOffset),
+			m_Buffer.begin() + static_cast<difference_type>(m_ReadOffset + stringSize), str.begin());
+		m_ReadOffset += stringSize;
+		return *this;
+	}
+
+	/**
+	 * \brief Write some data to the buffer
+	 * \param buffer The buffer to write
+	 * \param amount The amount of data to write
+	 */
+	void WriteSome(const char* buffer, std::size_t amount) {
+		std::size_t end_pos = m_Buffer.size();
+		m_Buffer.resize(m_Buffer.size() + amount);
+		std::memcpy(m_Buffer.data() + end_pos, buffer, amount);
+	}
+
+	/**
+	 * \brief Write some data to the buffer
+	 * \param buffer The buffer to write
+	 * \param amount The amount of data to write
+	 */
+	void WriteSome(const std::uint8_t* buffer, std::size_t amount) {
+		std::size_t end_pos = m_Buffer.size();
+		m_Buffer.resize(m_Buffer.size() + amount);
+		std::memcpy(m_Buffer.data() + end_pos, buffer, amount);
+	}
+
+	/**
+	 * \brief Read some data from the buffer
+	 * \param buffer The buffer to Read
+	 * \param amount The amount of data from the buffer
+	 */
+	void ReadSome(char* buffer, std::size_t amount) {
+		assert(m_ReadOffset + amount <= GetSize());
+		std::copy_n(m_Buffer.begin() + static_cast<difference_type>(m_ReadOffset), amount, buffer);
+		m_ReadOffset += amount;
+	}
+
+	/**
+	 * \brief Read some data from the buffer
+	 * \param buffer The buffer to Read
+	 * \param amount The amount of data from the buffer
+	 */
+	void ReadSome(std::uint8_t* buffer, std::size_t amount) {
+		assert(m_ReadOffset + amount <= GetSize());
+		std::copy_n(m_Buffer.begin() + static_cast<difference_type>(m_ReadOffset), amount, buffer);
+		m_ReadOffset += amount;
+	}
+
+	/**
+	 * \brief Read some data from the buffer
+	 * \param buffer The buffer to Read
+	 * \param amount The amount of data from the buffer
+	 */
+	void ReadSome(DataBuffer& buffer, std::size_t amount) {
+		assert(m_ReadOffset + amount <= GetSize());
+		buffer.Resize(amount);
+		std::copy_n(m_Buffer.begin() + static_cast<difference_type>(m_ReadOffset), amount, buffer.begin());
+		m_ReadOffset += amount;
+	}
+
+	/**
+	 * \brief Resize the buffer
+	 * \param size The new size of the buffer
+	 */
+	void Resize(std::size_t size) {
+		m_Buffer.resize(size);
+	}
+
+	/**
+	 * \brief Reserve some space in the buffer
+	 * \param amount The amount of space to reserve
+	 */
+	void Reserve(std::size_t amount) {
+		m_Buffer.reserve(amount);
+	}
+
+
+	/**
+	 * \brief Clear the buffer
+	 */
+	void Clear() {
+		m_Buffer.clear();
+		m_ReadOffset = 0;
+	}
+
+	/**
+	 * \brief When the buffer has been read entirely
+	 */
+	bool IsFinished() const {
+		return m_ReadOffset >= m_Buffer.size();
+	}
+
+	/**
+	 * \brief Get the buffer data
+	 */
+	std::uint8_t* data() {
+		return m_Buffer.data();
+	}
+
+	/**
+	 * \brief Get the buffer data
+	 */
+	const std::uint8_t* data() const {
+		return m_Buffer.data();
+	}
+
+	/**
+	 * \brief Get the read offset
+	 */
+	std::size_t GetReadOffset() const {
+		return m_ReadOffset;
+	}
+
+	/**
+	 * \brief Set the read offset
+	 * \param pos The new read offset
+	 */
+	void SetReadOffset(std::size_t pos);
+
+	/**
+	 * \brief Get the size of the buffer
+	 */
+	std::size_t GetSize() const;
+
+	/**
+	 * \brief Get the remaining size of the buffer
+	 */
+	std::size_t GetRemaining() const;
+
+	/**
+	 * \brief Read a file into the buffer
+	 * \param fileName The name of the file to read
+	 */
+	bool ReadFile(const std::string& fileName);
+
+	/**
+	 * \brief Write a file into the buffer
+	 * \param fileName The name of the file to write to
+	 */
+	bool WriteFile(const std::string& fileName) const;
+
+	/**
+	 * \brief Allocate the buffer on the heap
+	 * \warning Don't forget to free the data !
+	 */
+	std::uint8_t* HeapAllocatedData() const {
+		std::uint8_t* newBuffer = new std::uint8_t[GetSize()];
+		std::memcpy(newBuffer, data(), GetSize());
+		return newBuffer;
+	}
+
+	/**
+	 * \brief Operator == to compare two DataBuffer
+	 */
+	bool operator==(const DataBuffer& other) const {
+		return m_Buffer == other.m_Buffer;
+	}
+
+	iterator begin();
+	iterator end();
+	const_iterator begin() const;
+	const_iterator end() const;
+};
+
+/**
+ * \brief Operator << to write a DataBuffer to an ostream
+ */
+std::ostream& operator<<(std::ostream& os, const DataBuffer& buffer);
+
+}  // namespace td

include/td/common/NonCopyable.h

@@ -0,0 +1,25 @@
+#pragma once
+
+/**
+ * \file NonCopyable.h
+ * \brief File containing the td::NonCopyable class
+ */
+
+namespace td {
+
+/**
+ * \class NonCopyable
+ * \brief Class used to make a class non copyable
+ * \note Inherit from this class privately to make a class non copyable
+ */
+class NonCopyable {
+  public:
+	NonCopyable(const NonCopyable&) = delete;
+	NonCopyable& operator=(const NonCopyable&) = delete;
+
+  protected:
+	NonCopyable() {}
+	~NonCopyable() {}
+};
+
+}  // namespace td

include/td/protocol/Dispatcher.h

@@ -2,57 +2,60 @@
 
 /**
  * \file PacketDispatcher.h
- * \brief File containing the blitz::protocol::PacketDispatcher class
+ * \brief File containing the td::protocol::PacketDispatcher class
  */
 
 #include <td/common/NonCopyable.h>
-#include <td/protocol/Packets.h>
+#include <td/protocol/packet/Packets.h>
 
 #include <map>
 
 namespace td {
 namespace protocol {
 
-class PacketHandler;
-
 /**
- * \class PacketDispatcher
- * \brief Class used to dispatch packets
+ * \class Dispatcher
+ * \brief Class used to dispatch things
  */
-class PacketDispatcher : private NonCopyable {
+template <typename T_Enum, typename T_Handler, typename T>
+class Dispatcher : private NonCopyable {
   private:
-	std::map<PacketType, std::vector<PacketHandler*>> m_Handlers;
+	std::map<T_Enum, std::vector<T_Handler*>> m_Handlers;
 
   public:
 	/**
 	 * \brief Constructor
 	 */
-	PacketDispatcher() {}
+	Dispatcher() {}
 
 	/**
 	 * \brief Dispatch a packet
 	 * \param packet The packet to dispatch
 	 */
-	void Dispatch(const Packet& packet);
+	void Dispatch(const T& packet);
 
 	/**
 	 * \brief Register a packet handler
 	 * \param type The packet type
 	 * \param handler The packet handler
 	 */
-	void RegisterHandler(PacketType type, PacketHandler& handler);
+	void RegisterHandler(T_Enum type, T_Handler& handler);
+
 	/**
 	 * \brief Unregister a packet handler
 	 * \param type The packet type
 	 * \param handler The packet handler
 	 */
-	void UnregisterHandler(PacketType type, PacketHandler& handler);
+	void UnregisterHandler(T_Enum type, T_Handler& handler);
+
 	/**
 	 * \brief Unregister a packet handler
 	 * \param handler The packet handler
 	 */
-	void UnregisterHandler(PacketHandler& handler);
+	void UnregisterHandler(T_Handler& handler);
 };
 
 }  // namespace protocol
 }  // namespace td
+
+#include "Dispatcher.inl"

include/td/protocol/Dispatcher.inl

@@ -0,0 +1,38 @@
+#pragma once
+
+namespace td {
+namespace protocol {
+
+template <typename T_Enum, typename T_Handler, typename T>
+void Dispatcher<T_Enum, T_Handler, T>::Dispatch(const T& packet) {
+	T_Enum type = packet.GetType();
+	for (auto* handler : m_Handlers[type])
+		handler->Check(packet);
+}
+
+template <typename T_Enum, typename T_Handler, typename T>
+void Dispatcher<T_Enum, T_Handler, T>::RegisterHandler(T_Enum type, T_Handler& handler) {
+	auto found = std::find(m_Handlers[type].begin(), m_Handlers[type].end(), &handler);
+	if (found == m_Handlers[type].end())
+		m_Handlers[type].push_back(&handler);
+}
+
+template <typename T_Enum, typename T_Handler, typename T>
+void Dispatcher<T_Enum, T_Handler, T>::UnregisterHandler(T_Enum type, T_Handler& handler) {
+	m_Handlers[type].erase(std::remove(m_Handlers[type].begin(), m_Handlers[type].end(), &handler), m_Handlers[type].end());
+}
+
+template <typename T_Enum, typename T_Handler, typename T>
+void Dispatcher<T_Enum, T_Handler, T>::UnregisterHandler(T_Handler& handler) {
+	for (auto& pair : m_Handlers) {
+		if (pair.second.empty())
+			continue;
+
+		PacketType type = pair.first;
+
+		m_Handlers[type].erase(std::remove(m_Handlers[type].begin(), m_Handlers[type].end(), &handler), m_Handlers[type].end());
+	}
+}
+
+}  // namespace protocol
+}  // namespace td

include/td/protocol/PacketHandler.h

@@ -1,34 +0,0 @@
-#pragma once
-
-/**
- * \file PacketHandler.h
- * \brief File containing the blitz::protocol::PacketHandler class
- */
-
-#include <td/protocol/Packets.h>
-#include <td/protocol/PacketVisitor.h>
-
-namespace td {
-namespace protocol {
-
-class PacketDispatcher;
-
-#define DeclarePacket(PacketName, ...) virtual void Visit(const packets::PacketName&); virtual void HandlePacket(const packets::PacketName&) {}
-
-/**
- * \class PacketHandler
- * \brief Class used to handle packets
- */
-class PacketHandler : public PacketVisitor {
-  public:
-	PacketHandler() {}
-	~PacketHandler() {}
-
-	DeclareAllPacket()
-
-};
-
-#undef DeclarePacket
-
-}  // namespace protocol
-}  // namespace td

include/td/protocol/PacketSerializer.h

@@ -1,20 +0,0 @@
-#pragma once
-
-#include <td/protocol/Packets.h>
-#include <godot_cpp/variant/packed_byte_array.hpp>
-#include <memory>
-
-namespace td {
-namespace protocol {
-
-using PacketPtr = std::unique_ptr<Packet>;
-
-namespace PacketSerializer {
-
-godot::PackedByteArray Serialize(const Packet& a_Packet);
-
-std::unique_ptr<Packet> Deserialize(godot::PackedByteArray& a_Data);
-
-}
-}  // namespace protocol
-}  // namespace td

include/td/protocol/command/CommandData.h

@@ -1,10 +1,14 @@
 #pragma once
 
+#include <string>
 #include <td/Types.h>
 
 namespace td {
 namespace protocol {
 
+#define LOCKSTEP_BUFFER_SIZE 10
+
+struct LockStepCommand {};
 
 struct LockStep {
 	std::uint8_t m_CommandNumber;
@@ -13,11 +17,11 @@ struct LockStep {
 
 struct LockSteps {
 	std::uint16_t m_FirstFrameNumber;
-	std::array<LockStep, 10> m_LockSteps;
+	std::array<LockStep, LOCKSTEP_BUFFER_SIZE> m_LockSteps;
 };
 
 
-namespace data {
+namespace cdata {
 
 
 struct PlaceTower {
@@ -49,9 +53,12 @@ struct TeamChange {
 	Team m_NewTeam : 1;
 };
 
+struct PlayerJoin {
+	PlayerID m_ID;
+	std::string m_Name;
+};
 
-
-}  // namespace data
+}  // namespace cdata
 
 
 }  // namespace protocol

include/td/protocol/command/CommandDeclare.h

@@ -0,0 +1,21 @@
+#pragma once
+
+
+namespace td {
+namespace protocol {
+
+/**
+ * \def DeclareAllPacket
+ * \brief Avoids repetitive operations on packets
+ */
+#define DeclareAllCommand() \
+	DeclareCommand(PlaceTower) \
+	DeclareCommand(UpgradeTower) \
+	DeclareCommand(SpawnTroop) \
+	DeclareCommand(UseItem) \
+	DeclareCommand(TeamChange) \
+	DeclareCommand(PlayerJoin)
+
+
+}  // namespace protocol
+}  // namespace td

include/td/protocol/command/CommandDispatcher.h

@@ -0,0 +1,18 @@
+#pragma once
+
+/**
+ * \file CommandDispatcher.h
+ * \brief File containing the td::protocol::CommandDispatcher class
+ */
+
+#include <td/protocol/Dispatcher.h>
+
+namespace td {
+namespace protocol {
+
+class CommandHandler;
+
+using CommandDispatcher = Dispatcher<CommandType, CommandHandler, Command>;
+
+}  // namespace protocol
+}  // namespace td

include/td/protocol/command/CommandFactory.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <memory>
+#include <td/protocol/command/Commands.h>
+
+namespace td {
+namespace protocol {
+namespace CommandFactory {
+
+template <typename CommandDerived, typename = typename std::enable_if<std::is_base_of<Command, CommandDerived>::value>::type>
+std::unique_ptr<CommandDerived> CreateCommand() {
+	return std::make_unique<CommandDerived>();
+}
+
+const std::unique_ptr<Command>& CreateReadOnlyCommand(CommandType a_Type);
+
+}  // namespace CommandFactory
+}  // namespace protocol
+}  // namespace td

include/td/protocol/command/CommandHandler.h

@@ -0,0 +1,33 @@
+#pragma once
+
+/**
+ * \file CommandHandler.h
+ * \brief File containing the td::protocol::CommandHandler class
+ */
+
+#include <td/protocol/command/CommandVisitor.h>
+#include <td/protocol/command/Commands.h>
+
+namespace td {
+namespace protocol {
+
+#define DeclareCommand(CommandName, ...)                                                                                              \
+	virtual void Visit(const commands::CommandName&);                                                                                 \
+	virtual void HandleCommand(const commands::CommandName&) {}
+
+/**
+ * \class CommandHandler
+ * \brief Class used to handle packets
+ */
+class CommandHandler : public CommandVisitor {
+  public:
+	CommandHandler() {}
+	~CommandHandler() {}
+
+	DeclareAllCommand()
+};
+
+#undef DeclareCommand
+
+}  // namespace protocol
+}  // namespace td

include/td/protocol/command/CommandSerializer.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include <memory>
+#include <td/common/DataBuffer.h>
+
+namespace td {
+namespace protocol {
+
+class Command;
+
+using CommandPtr = std::unique_ptr<Command>;
+
+namespace CommandSerializer {
+
+DataBuffer Serialize(const Command& a_Command);
+
+std::unique_ptr<Command> Deserialize(DataBuffer& a_Data);
+
+}  // namespace CommandSerializer
+}  // namespace protocol
+}  // namespace td

include/td/protocol/command/CommandVisitor.h

@@ -0,0 +1,39 @@
+#pragma once
+
+/**
+ * \file CommandVisitor.h
+ * \brief File containing the td::protocol::CommandVisitor class
+ */
+
+#include <td/protocol/command/Commands.h>
+
+namespace td {
+namespace protocol {
+
+#define DeclareCommand(CommandName, ...)                                                                                              \
+	/** This function is called when the packet processed by CommandVisitor::Check is a CommandName */                                \
+	virtual void Visit(const commands::CommandName&) {}
+
+/**
+ * \class CommandVisitor
+ * \brief This class uses double-dispatch in order to find the real type of a packet
+ */
+class CommandVisitor : private NonCopyable {
+  protected:
+	CommandVisitor() {}
+	virtual ~CommandVisitor() {}
+
+  public:
+	/**
+	 * \brief Calls the right CommandVisitor::Visit method corresponding to the real type of the packet
+	 * \param packet the Command to visit
+	 */
+	void Check(const Command& packet);
+
+	DeclareAllCommand()
+};
+
+#undef DeclareCommand
+
+}  // namespace protocol
+}  // namespace td

include/td/protocol/command/Commands.h

@@ -0,0 +1,108 @@
+#pragma once
+
+/**
+ * \file Commands.h
+ * \brief File containing the definitions of the lockstep commands
+ */
+
+#include <td/Types.h>
+#include <td/common/NonCopyable.h>
+#include <td/protocol/command/CommandData.h>
+#include <td/protocol/command/CommandDeclare.h>
+
+namespace td {
+namespace protocol {
+
+class CommandVisitor;
+
+/** A Command id is 8 bits wide */
+using CommandID = std::uint8_t;
+
+#define DeclareCommand(CommandName, ...) /** CommandName */ CommandName,
+
+/**
+ * \enum CommandType
+ * \brief Map a Command to an id
+ */
+enum class CommandType : CommandID {
+
+	DeclareAllCommand()
+
+	/** The number of Commands */
+	COMMAND_COUNT
+};
+
+
+#undef DeclareCommand
+
+
+class Command : private NonCopyable {
+  public:
+	/**
+	 * \return The real type of the Command
+	 */
+	virtual CommandType GetType() const = 0;
+
+  private:
+	/** Use a CommandVisitor to make double-dispatch possible */
+	virtual void Accept(CommandVisitor& a_Visitor) const = 0;
+
+	friend class CommandVisitor;
+};
+
+
+
+
+
+namespace commands {
+
+/**
+ * \class ConcreteCommand
+ * \brief A Command associated with an id and holding data
+ * \tparam PT The Command type
+ * \tparam Data The structure holding the data of the Command (in td::protocol::data namespace)
+ */
+template <CommandType CT, typename Data>
+class ConcreteCommand : public Command {
+  public:
+	/** The type of the struct holding the data */
+	using CommandDataType = Data;
+
+	/** The structure holding the actual data */
+	CommandDataType m_Data;
+
+	/** Construct the Command with data of type CommandDataType */
+	ConcreteCommand(const CommandDataType& a_Data = {});
+
+	constexpr CommandType GetType() const override {
+		return CT;
+	};
+
+  private:
+	void Accept(CommandVisitor& a_Visitor) const override;
+};
+
+
+
+
+
+// define TD_INSTANCIATE_COMMANDS
+// before including this file
+// if you want to instantiate templates
+#ifdef TD_INSTANCIATE_COMMANDS
+#define DeclareCommand(CommandName, ...)                                                                                              \
+	using CommandName = ConcreteCommand<CommandType::CommandName, cdata::CommandName>;                                                \
+	template class ConcreteCommand<CommandType::CommandName, cdata::CommandName>;
+#else
+#define DeclareCommand(CommandName, ...) /** Defines the CommandName Command */                                                       \
+	using CommandName = ConcreteCommand<CommandType::CommandName, cdata::CommandName>;
+#endif
+
+DeclareAllCommand()
+
+#undef DeclareCommand
+
+}  // namespace commands
+
+}  // namespace protocol
+}  // namespace td

include/td/protocol/packet/PacketData.h

@@ -1,8 +1,6 @@
 #pragma once
 
-#include <td/common/Types.h>
-#include <godot_cpp/variant/string.hpp>
-#include <godot_cpp/variant/vector3.hpp>
+#include <td/Types.h>
 #include <vector>
 
 namespace td {
@@ -10,13 +8,13 @@ namespace protocol {
 
 struct PlayerInfo {
 	PlayerID m_PlayerId;
-	godot::String m_PlayerName;
+	std::string m_PlayerName;
 };
 
-namespace data {
+namespace pdata {
 
 struct PlayerLogin {
-	godot::String m_PlayerName;
+	std::string m_PlayerName;
 };
 
 struct UpdateHealth {
@@ -56,23 +54,23 @@ struct KeepAlive {
 struct Disconnect {};
 
 struct ChatMessage {
-	godot::String m_Text;
+	std::string m_Text;
 };
 
 struct PlayerPositionAndRotation {
 	PlayerID m_Player;
-	godot::Vector3 m_Position;
-	godot::Vector3 m_Rotation;
-	godot::Vector3 m_Velocity;
+	// godot::Vector3 m_Position;
+	// godot::Vector3 m_Rotation;
+	// godot::Vector3 m_Velocity;
 };
 
 struct PlayerShoot {
 	PlayerID m_Sender;
-	godot::Vector3 m_Position;
-	godot::Vector3 m_Rotation;
-	godot::Vector3 m_Velocity;
+	// godot::Vector3 m_Position;
+	// godot::Vector3 m_Rotation;
+	// godot::Vector3 m_Velocity;
 };
 
-}  // namespace data
+}  // namespace pdata
 }  // namespace protocol
 }  // namespace td

include/td/protocol/packet/PacketDispatcher.h

@@ -0,0 +1,18 @@
+#pragma once
+
+/**
+ * \file PacketDispatcher.h
+ * \brief File containing the td::protocol::PacketDispatcher class
+ */
+
+#include <td/protocol/Dispatcher.h>
+
+namespace td {
+namespace protocol {
+
+class PacketHandler;
+
+using PacketDispatcher = Dispatcher<PacketType, PacketHandler, Packet>;
+
+}  // namespace protocol
+}  // namespace td

include/td/protocol/packet/PacketFactory.h

@@ -1,15 +1,15 @@
 #pragma once
 
-#include <td/protocol/Packets.h>
 #include <memory>
+#include <td/protocol/packet/Packets.h>
 
 namespace td {
 namespace protocol {
 namespace PacketFactory {
 
-template<typename PacketDerived, typename = typename std::enable_if<std::is_base_of<Packet, PacketDerived>::value>::type>
+template <typename PacketDerived, typename = typename std::enable_if<std::is_base_of<Packet, PacketDerived>::value>::type>
 std::unique_ptr<PacketDerived> CreatePacket() {
-    return std::make_unique<PacketDerived>();
+	return std::make_unique<PacketDerived>();
 }
 
 const std::unique_ptr<Packet>& CreateReadOnlyPacket(PacketType a_Type);

include/td/protocol/packet/PacketHandler.h

@@ -0,0 +1,33 @@
+#pragma once
+
+/**
+ * \file PacketHandler.h
+ * \brief File containing the td::protocol::PacketHandler class
+ */
+
+#include <td/protocol/packet/PacketVisitor.h>
+#include <td/protocol/packet/Packets.h>
+
+namespace td {
+namespace protocol {
+
+#define DeclarePacket(PacketName, ...)                                                                                                \
+	virtual void Visit(const packets::PacketName&);                                                                                   \
+	virtual void HandlePacket(const packets::PacketName&) {}
+
+/**
+ * \class PacketHandler
+ * \brief Class used to handle packets
+ */
+class PacketHandler : public PacketVisitor {
+  public:
+	PacketHandler() {}
+	~PacketHandler() {}
+
+	DeclareAllPacket()
+};
+
+#undef DeclarePacket
+
+}  // namespace protocol
+}  // namespace td

include/td/protocol/packet/PacketSender.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <td/protocol/PacketVisitor.h>
+#include <td/protocol/packet/PacketVisitor.h>
 
 namespace td {
 
@@ -35,7 +35,6 @@ class PacketBroadcaster : public protocol::PacketVisitor {
 
 
 
-
 //////////////////
 /* PacketSender */
 //////////////////

include/td/protocol/packet/PacketSerializer.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include <memory>
+#include <td/common/DataBuffer.h>
+
+namespace td {
+namespace protocol {
+
+class Packet;
+
+using PacketPtr = std::unique_ptr<Packet>;
+
+namespace PacketSerializer {
+
+DataBuffer Serialize(const Packet& a_Packet);
+
+std::unique_ptr<Packet> Deserialize(DataBuffer& a_Data);
+
+}  // namespace PacketSerializer
+}  // namespace protocol
+}  // namespace td

include/td/protocol/packet/PacketVisitor.h

@@ -2,16 +2,16 @@
 
 /**
  * \file PacketVisitor.h
- * \brief File containing the blitz::protocol::PacketVisitor class
+ * \brief File containing the td::protocol::PacketVisitor class
  */
 
-#include <td/protocol/Packets.h>
+#include <td/protocol/packet/Packets.h>
 
 namespace td {
 namespace protocol {
 
 #define DeclarePacket(PacketName, ...)                                                                                                \
-	/** This function is called when the packet processed by PacketVisitor::Check is a PacketName */                                                                                                                            \
+	/** This function is called when the packet processed by PacketVisitor::Check is a PacketName */                                  \
 	virtual void Visit(const packets::PacketName&) {}
 
 /**

include/td/protocol/packet/Packets.h

@@ -6,8 +6,8 @@
  */
 
 #include <td/common/NonCopyable.h>
-#include <td/protocol/PacketData.h>
-#include <td/protocol/PacketDeclare.h>
+#include <td/protocol/packet/PacketData.h>
+#include <td/protocol/packet/PacketDeclare.h>
 
 namespace td {
 namespace protocol {
@@ -16,6 +16,7 @@ class PacketVisitor;
 
 /** A Packet id is 8 bits wide */
 using PacketID = std::uint8_t;
+using PeerID = std::uint16_t;
 
 #define DeclarePacket(PacketName, ...) /** PacketName */ PacketName,
 
@@ -64,7 +65,7 @@ namespace packets {
  * \class ConcretePacket
  * \brief A Packet associated with an id and holding data
  * \tparam PT The packet type
- * \tparam Data The structure holding the data of the packet (in blitz::protocol::data namespace)
+ * \tparam Data The structure holding the data of the packet (in td::protocol::data namespace)
  */
 template <PacketType PT, typename Data>
 class ConcretePacket : public Packet {
@@ -90,16 +91,16 @@ class ConcretePacket : public Packet {
 
 
 
-// define BLITZ_INSTANCIATE_PACKETS
+// define TD_INSTANCIATE_PACKETS
 // before including this file
 // if you want to instantiate templates
-#ifdef BLITZ_INSTANCIATE_PACKETS
+#ifdef TD_INSTANCIATE_PACKETS
 #define DeclarePacket(PacketName, ...)                                                                                                \
-	using PacketName = ConcretePacket<PacketType::PacketName, data::PacketName>;                                                      \
-	template class ConcretePacket<PacketType::PacketName, data::PacketName>;
+	using PacketName = ConcretePacket<PacketType::PacketName, pdata::PacketName>;                                                     \
+	template class ConcretePacket<PacketType::PacketName, pdata::PacketName>;
 #else
 #define DeclarePacket(PacketName, ...) /** Defines the PacketName packet */                                                           \
-	using PacketName = ConcretePacket<PacketType::PacketName, data::PacketName>;
+	using PacketName = ConcretePacket<PacketType::PacketName, pdata::PacketName>;
 #endif
 
 DeclareAllPacket()

src/main.cpp

@@ -1,6 +1,23 @@
 #include <iostream>
+// #include <td/protocol/packet/PacketVisitor.h>
+#include <td/protocol/command/CommandDispatcher.h>
+#include <td/protocol/command/CommandFactory.h>
+#include <td/protocol/command/CommandHandler.h>
+#include <td/protocol/command/CommandSerializer.h>
+#include <td/protocol/command/CommandVisitor.h>
+
+class Test : public td::protocol::CommandVisitor {};
+
+class Test2 : public td::protocol::CommandHandler {};
 
 int main(int argc, char** argv) {
-    std::cout << "hello world!" << std::endl;
-    return 0;
+	// Test visitor;
+	// td::protocol::packets::ChatMessage chat{{"coucou"}};
+	// visitor.Check(chat);
+
+
+	td::protocol::commands::UpgradeTower com{{1, 2}};
+	std::cout << (unsigned)com.GetType() << std::endl;
+	td::protocol::CommandDispatcher disptacher;
+	return 0;
 }

src/td/protocol/command/Commands.cpp

@@ -0,0 +1,18 @@
+#define TD_INSTANCIATE_COMMANDS
+#include <td/protocol/command/Commands.h>
+
+#include <td/protocol/command/CommandVisitor.h>
+
+namespace td {
+namespace protocol {
+
+template <CommandType CT, typename Data>
+commands::ConcreteCommand<CT, Data>::ConcreteCommand(const CommandDataType& a_Data) : m_Data(a_Data) {}
+
+template <CommandType CT, typename Data>
+void commands::ConcreteCommand<CT, Data>::Accept(CommandVisitor& a_Visitor) const {
+	a_Visitor.Visit(*this);
+}
+
+}  // namespace protocol
+}  // namespace td

xmake.lua

@@ -5,7 +5,7 @@ add_requires("fpm")
 target("Tower-Defense2")
     add_includedirs("include")
     set_kind("binary")
-    add_files("src/*.cpp")
+    add_files("src/**.cpp")
     add_packages("fpm")
 
 --