move ClientSimulation in Client

src/client/state/GameState.cpp

@@ -3,9 +3,39 @@
 namespace td {
 namespace client {
 
-GameState::GameState(Client& a_Client, const std::shared_ptr<game::World>& a_World) : ClientState(a_Client), m_World(a_World) {}
-void GameState::HandlePacket(const protocol::PacketBase& a_Packet) {}
-void GameState::Update(float a_Delta) {}
+class ClientHandler : public protocol::PacketHandler {
+  private:
+	sim::ClientSimulation& m_Simulation;
+
+	using protocol::PacketHandler::Handle;
+
+  public:
+	ClientHandler(sim::ClientSimulation& a_Simulation) : m_Simulation(a_Simulation) {}
+
+	void Handle(const protocol::packets::LockStepsPacket& a_LockStep) {
+		m_Simulation.Handle(a_LockStep);
+	}
+
+	void Handle(const protocol::packets::LockStepResponsePacket& a_LockStep) {
+		m_Simulation.Handle(a_LockStep);
+	}
+};
+
+GameState::GameState(Client& a_Client, const std::shared_ptr<game::World>& a_World, std::uint64_t a_StepTime) :
+	ClientState(a_Client), m_World(a_World), m_Simulation(a_World, a_StepTime) {
+	m_Simulation.OnMissingLockSteps.Connect([this](const std::vector<td::StepTime>& a_MissingSteps) {
+		SendPacket(protocol::packets::LockStepRequestPacket(a_MissingSteps));
+	});
+}
+
+void GameState::HandlePacket(const protocol::PacketBase& a_Packet) {
+	ClientHandler handler(m_Simulation);
+	a_Packet.Dispatch(handler);
+}
+
+void GameState::Update(float a_Delta) {
+	m_CurrentLerp = m_Simulation.Update(a_Delta);
+}
 
 }  // namespace client
 }  // namespace td