[GameState] Now possible to take a screenshot by pressing F2 in-game.

.gitignore

@@ -72,4 +72,5 @@ config/client.lua
 config/keys.lua
 config/server.lua
 TODO
+Screenshot-*
 

source/client/hud/Chat.cpp

@@ -28,21 +28,25 @@
 #include "Client.hpp"
 #include "Config.hpp"
 
-Chat::Chat(Client &client) {
+Chat::Chat(Client &client) : m_client(client) {
 	client.setCommandCallback(Network::Command::ChatMessage, [&](sf::Packet &packet) {
 		u16 clientID;
 		std::string message;
 		packet >> clientID >> message;
 
-		if (clientID != 0)
-			m_chatMessages.emplace_back(message, m_posY, &client.getPlayer(clientID));
-		else
-			m_chatMessages.emplace_back(message, m_posY);
+		addChatMessage(clientID, message);
+	});
+}
 
-		m_posY += m_chatMessages.back().text().getSize().y + 1;
+void Chat::addChatMessage(u16 clientID, const std::string &message) {
+	if (clientID != 0)
+		m_chatMessages.emplace_back(message, m_posY, &m_client.getPlayer(clientID));
+	else
+		m_chatMessages.emplace_back(message, m_posY);
 
-		move(0, -m_chatMessages.back().text().getSize().y - 1);
-	});
+	m_posY += m_chatMessages.back().text().getSize().y + 1;
+
+	move(0, -m_chatMessages.back().text().getSize().y - 1);
 }
 
 void Chat::setMessageVisibility(bool areMessagesVisible) {

source/client/hud/Chat.hpp

@@ -37,6 +37,8 @@ class Chat : public gk::Drawable, public gk::Transformable {
 	public:
 		Chat(Client &client);
 
+		void addChatMessage(u16 clientID, const std::string &message);
+
 		void setMessageVisibility(bool areMessagesVisible);
 
 		const std::string &getHistoryEntry(u32 id) const { return m_history.at(m_history.size() - id - 1); }
@@ -46,6 +48,8 @@ class Chat : public gk::Drawable, public gk::Transformable {
 	private:
 		void draw(gk::RenderTarget &target, gk::RenderStates states) const override;
 
+		Client &m_client;
+
 		std::deque<ChatMessage> m_chatMessages;
 		std::deque<std::string> m_history;
 

source/client/states/GameState.cpp

@@ -117,6 +117,19 @@ void GameState::onEvent(const SDL_Event &event) {
 			}
 		}
 		else if (event.type == SDL_KEYDOWN) {
+			if (event.key.keysym.sym == SDLK_F2) {
+				std::time_t now = std::chrono::system_clock::to_time_t(std::chrono::system_clock::now());
+
+				char filename[100];
+				std::strftime(filename, sizeof(filename), "Screenshot-%Y-%m-%d-%H-%M-%S.png", std::localtime(&now));
+
+				bool isScreenshotSaved = gk::Window::saveScreenshot(0, 0, Config::screenWidth, Config::screenHeight, filename);
+				if (isScreenshotSaved)
+					m_hud.chat().addChatMessage(0, "Screenshot saved: " + std::string(filename));
+				else
+					m_hud.chat().addChatMessage(0, "Failed to save screenshot");
+			}
+
 			for (auto &key : Registry::getInstance().keys()) {
 				if (event.key.keysym.sym == key.keycode()) {
 					m_clientCommandHandler.sendKeyPressed(key.id());