Display list of connected player when pressing tab

include/ClientLib/ClientSessionHandler.hpp

@@ -43,6 +43,8 @@ namespace tsom
 			ClientSessionHandler(NetworkSession* session, Nz::ApplicationBase& app, ConfigFile& config, Nz::EnttWorld& world, ClientBlockLibrary& blockLibrary);
 			~ClientSessionHandler();
 
+			template<typename F> void ForEachPlayer(F&& callback) const;
+
 			inline entt::handle GetControlledEntity() const;
 			inline EntityRegistry& GetEntityRegistry();
 			inline const EntityRegistry& GetEntityRegistry() const;
@@ -92,6 +94,7 @@ namespace tsom
 			NazaraSignal(OnPlayerJoined, const PlayerInfo& /*playerInfo*/);
 			NazaraSignal(OnPlayerLeave, const PlayerInfo& /*playerInfo*/);
 			NazaraSignal(OnPlayerNameUpdate, const PlayerInfo& /*playerInfo*/, const std::string& /*newNickname*/);
+			NazaraSignal(OnPlayerListUpdated);
 
 			static constexpr Packets::Helper::EntityId InvalidEntity = Nz::MaxValue();
 

include/ClientLib/ClientSessionHandler.inl

@@ -6,6 +6,17 @@
 
 namespace tsom
 {
+	template<typename F>
+	void ClientSessionHandler::ForEachPlayer(F&& callback) const
+	{
+		for (PlayerIndex index = 0; index < m_players.size(); ++index)
+		{
+			auto& playerInfoOpt = m_players[index];
+			if (playerInfoOpt)
+				callback(index, *playerInfoOpt);
+		}
+	}
+
 	inline entt::handle ClientSessionHandler::GetControlledEntity() const
 	{
 		return m_playerControlledEntity;

src/ClientLib/ClientSessionHandler.cpp

@@ -468,6 +468,8 @@ namespace tsom
 			playerInfo.nickname = std::move(playerData.nickname).Str();
 			playerInfo.isAuthenticated = playerData.isAuthenticated;
 		}
+
+		OnPlayerListUpdated();
 	}
 
 	void ClientSessionHandler::HandlePacket(Packets::S_NetworkStrings&& networkStrings)
@@ -499,6 +501,7 @@ namespace tsom
 		playerInfo.isAuthenticated = playerJoin.isAuthenticated;
 
 		OnPlayerJoined(playerInfo);
+		OnPlayerListUpdated();
 	}
 
 	void ClientSessionHandler::HandlePacket(Packets::S_PlayerLeave&& playerLeave)
@@ -510,6 +513,7 @@ namespace tsom
 		}
 
 		OnPlayerLeave(*m_players[playerLeave.index]);
+		OnPlayerListUpdated();
 
 		m_players[playerLeave.index].reset();
 	}
@@ -525,6 +529,8 @@ namespace tsom
 		auto& playerInfo = *m_players[playerNameUpdate.index];
 
 		OnPlayerNameUpdate(playerInfo, playerNameUpdate.newNickname);
+		OnPlayerListUpdated();
+
 		playerInfo.nickname = std::move(playerNameUpdate.newNickname).Str();
 		if (playerInfo.textSprite)
 			playerInfo.textSprite->Update(Nz::SimpleTextDrawer::Draw(playerInfo.nickname, 48, Nz::TextStyle_Regular, (playerInfo.isAuthenticated) ? Nz::Color::White() : Nz::Color::Gray()), 0.01f);

src/Game/States/GameState.cpp

@@ -368,6 +368,9 @@ namespace tsom
 		});
 
 		m_interactionLabel = CreateWidget<Nz::SimpleLabelWidget>();
+		m_playerListWidget = CreateWidget<Nz::LabelWidget>();
+		RefreshPlayerListWidget();
+		m_playerListWidget->Hide();
 
 		m_onUnhandledKeyPressed.Connect(stateData.canvas->OnUnhandledKeyPressed, [this](const Nz::WindowEventHandler*, const Nz::WindowEvent::KeyEvent& event)
 		{
@@ -416,10 +419,10 @@ namespace tsom
 						m_toolsMenu->Show();
 						UpdateMouseLock();
 					}
-
 					break;
 				}
 
+
 				case Nz::Keyboard::Scancode::Escape:
 				{
 					if (m_escapeMenu->IsVisible())
@@ -550,15 +553,19 @@ namespace tsom
 					break;
 				}
 
+				case Nz::Keyboard::Scancode::F10:
+				{
+					m_playerListWidget->Show();
+					break;
+				}
+
 				default:
 					break;
 			}
 		});
 
 		m_onUnhandledKeyReleased.Connect(stateData.canvas->OnUnhandledKeyReleased, [this](const Nz::WindowEventHandler*, const Nz::WindowEvent::KeyEvent& event)
 		{
-			auto& stateData = GetStateData();
-
 			switch (event.scancode)
 			{
 				case Nz::Keyboard::Scancode::Tab:
@@ -584,6 +591,12 @@ namespace tsom
 					break;
 				}
 
+				case Nz::Keyboard::Scancode::F10:
+				{
+					m_playerListWidget->Hide();
+					break;
+				}
+
 				default:
 					break;
 			}
@@ -647,7 +660,7 @@ namespace tsom
 					{ Chatbox::ColorItem{ Nz::Color::White() } },
 					{ Chatbox::TextItem{ " joined the server" } }
 				}
-				});
+			});
 
 			spdlog::info("{0} joined the server", playerInfo.nickname);
 		});
@@ -682,6 +695,11 @@ namespace tsom
 			spdlog::info("{0} renamed to {1}", playerInfo.nickname, newNickname);
 		});
 
+		m_onPlayerListUpdated.Connect(stateData.sessionHandler->OnPlayerListUpdated, [this]
+		{
+			RefreshPlayerListWidget();
+		});
+
 		m_onControlledShip.Connect(stateData.sessionHandler->OnControlledShip, [this](entt::handle shipEntity, entt::handle shipExteriorEntity, const Nz::Quaternionf& referenceRotation)
 		{
 			m_pilotedShip = PilotedShip{
@@ -1298,11 +1316,33 @@ namespace tsom
 
 		m_crosshairEntity.get<Nz::NodeComponent>().SetPosition({ newSize.x * 0.5f, newSize.y * 0.5f });
 		m_healthOxygen.entity.get<Nz::NodeComponent>().SetPosition({ newSize.x * 0.5f - m_healthOxygen.entity.get<Nz::GraphicsComponent>().GetAABB().x / 2.f, hudNextHeight });
+		m_playerListWidget->Center();
 
 		m_escapeMenu->Center();
 		m_toolsMenu->Center();
 	}
 
+	void GameState::RefreshPlayerListWidget()
+	{
+		Nz::RichTextDrawer textDrawer;
+		textDrawer.AppendText(""); //< will override later
+
+		std::size_t playerCount = 0;
+		GetStateData().sessionHandler->ForEachPlayer([&](PlayerIndex playerIndex, const ClientSessionHandler::PlayerInfo& playerInfo)
+		{
+			textDrawer.SetTextColor((playerInfo.isAuthenticated) ? Nz::Color::Yellow() : Nz::Color::Gray());
+			textDrawer.AppendText(playerInfo.nickname, (playerCount == 0) ? true : false); //< force a new block to avoid being merged with the first one
+			textDrawer.AppendText("\n");
+
+			playerCount++;
+		});
+
+		textDrawer.SetBlockText(0, fmt::format("Players ({0})\n", playerCount));
+
+		m_playerListWidget->UpdateText(textDrawer);
+		m_playerListWidget->Center();
+	}
+
 	Nz::Vector3f GameState::RaycastCamera(const Nz::Vector3f& from, const Nz::Vector3f& to)
 	{
 		auto& physSystem = GetStateData().world->GetSystem<Nz::Physics3DSystem>();

src/Game/States/GameState.hpp

@@ -97,6 +97,7 @@ namespace tsom
 
 			void BindControlledEntitySignals();
 			void LayoutWidgets(const Nz::Vector2f& newSize) override;
+			void RefreshPlayerListWidget();
 			Nz::Vector3f RaycastCamera(const Nz::Vector3f& from, const Nz::Vector3f& to);
 			void OnTick(Nz::Time elapsedTime, bool lastTick);
 			void SendInputs();
@@ -114,6 +115,7 @@ namespace tsom
 			NazaraSlot(ClientSessionHandler, OnPlayerJoined, m_onPlayerJoined);
 			NazaraSlot(ClientSessionHandler, OnPlayerLeave, m_onPlayerLeave);
 			NazaraSlot(ClientSessionHandler, OnPlayerNameUpdate, m_onPlayerNameUpdate);
+			NazaraSlot(ClientSessionHandler, OnPlayerListUpdated, m_onPlayerListUpdated);
 			NazaraSlot(Nz::Canvas, OnUnhandledKeyPressed, m_onUnhandledKeyPressed);
 			NazaraSlot(Nz::Canvas, OnUnhandledKeyReleased, m_onUnhandledKeyReleased);
 			NazaraSlot(Nz::Canvas, OnUnhandledMouseButtonPressed, m_mouseButtonReleasedSlot);
@@ -160,7 +162,7 @@ namespace tsom
 
 			std::optional<ConsoleExecutor> m_consoleExecutor;
 			std::optional<PilotedShip> m_pilotedShip;
-			std::shared_ptr<DebugOverlay> m_debugOverlay; 
+			std::shared_ptr<DebugOverlay> m_debugOverlay;
 			std::size_t m_toolIndex;
 			std::vector<InputRotation> m_predictedInputRotations;
 			std::vector<std::unique_ptr<ToolBase>> m_tools;
@@ -187,6 +189,7 @@ namespace tsom
 			Nz::UInt8 m_nextInputIndex;
 			CameraMode m_cameraMode;
 			HealthOxygen m_healthOxygen;
+ 			Nz::LabelWidget* m_playerListWidget;
 			Nz::SimpleLabelWidget* m_interactionLabel;
 			BlockSelectionBar* m_blockSelectionBar;
 			Chatbox* m_chatBox;