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include/client/states/ConnectingState.h

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+#pragma once
+
+#include <Nazara/Network/IpAddress.hpp>
+#include <Nazara/Widgets/ButtonWidget.hpp>
+#include <Nazara/Widgets/LabelWidget.hpp>
+#include <client/Client.h>
+#include <client/states/AbstractState.h>
+#include <queue>
+
+namespace blitz {
+
+namespace server {
+class Server;
+}  // namespace server
+
+namespace client {
+
+class ConnectingState : public AbstractState {
+  public:
+	ConnectingState(std::shared_ptr<StateData> a_StateData, std::shared_ptr<AbstractState> a_PreviousState,
+		const std::string& a_Address, std::uint16_t a_Port, bool a_IntegratedServer = false);
+	~ConnectingState();
+
+  private:
+	struct ResolvingData {
+		bool m_HasResult = false;
+		Nz::Result<std::vector<Nz::IpAddress>, std::string /*error*/> m_Result = Nz::Err("");
+		std::string m_ServerName;
+		std::uint16_t m_Port;
+	};
+
+	ResolvingData m_ResolvingData;
+	bool m_IsConnected = false;
+	std::queue<Nz::IpAddress> m_Addresses;
+	Nz::MillisecondClock m_TimeoutClock;
+
+	Nz::ButtonWidget* m_BackButton;
+	Nz::LabelWidget* m_StatusText;
+	std::shared_ptr<AbstractState> m_NextState;
+	std::shared_ptr<AbstractState> m_PreviousState;
+
+	std::unique_ptr<Client> m_Client;
+	std::unique_ptr<server::Server> m_Server;
+
+	void LayoutWidgets() override;
+	bool Update(Nz::StateMachine& fsm, Nz::Time elapsedTime) override;
+
+	void TryResolve();
+	void TryConnect(const Nz::IpAddress& a_ServerAddress);
+	void TryNextAddress();
+
+	void OnBackPressed();
+
+	void OnConnect();
+	void OnConnectFailed();
+
+	NazaraSlot(Client, OnClientReady, m_ClientReady);
+	NazaraSlot(Client, OnClientDisconnect, m_ClientDisconnect);
+};
+
+}  // namespace client
+}  // namespace blitz