Basic version drawing

cpp/engine.cpp

@@ -10,6 +10,7 @@
 #include <SDL2/SDL_image.h>
 
 #include "callbacks.h"
+#include "config.h"
 #include "texture.h"
 #include "log.h"
 #include "util/color.h"
@@ -219,6 +220,20 @@ bool Engine::draw_fps() {
 	return true;
 }
 
+// Shamelessly ripped off from draw_fps
+bool Engine::draw_version() {
+	util::col {255, 255, 255, 255}.use();
+
+	// Draw version string in the lower left corner
+	this->dejavuserif20->render(
+		5, 15,
+		"openage version %s", config::version
+	);
+
+	return true;
+}
+
+
 void Engine::save_screenshot(const char* filename) {
 	log::msg("saving screenshot to %s...", filename);
 
@@ -322,6 +337,11 @@ void Engine::loop() {
 
 			// draw the fps overlay
 			this->draw_fps();
+
+			if (this->drawing_version)
+			{
+				this->draw_version();
+			}
 
 			// invoke all hud drawing callback methods
 			for (auto &action : this->on_drawhud) {

cpp/engine.h

@@ -116,6 +116,11 @@ class Engine : public ResizeHandler {
 	 * draw the current frames per second number on screen.
 	 */
 	bool draw_fps();
+
+	/**
+	 * Draw the game version in the lower left corner.
+	 */
+	bool draw_version();
 
 	/**
 	 * register a new input event handler, run for each input event.
@@ -175,6 +180,11 @@ class Engine : public ResizeHandler {
 	 * to be set to false to stop the engine loop.
 	 */
 	bool running;
+
+	/**
+	 * Game version is drawn when this is true.
+	 */
+	bool drawing_version = true;
 
 	/**
 	 * size of the game window, in coord_sdl.

cpp/game_main.cpp

@@ -478,6 +478,9 @@ bool GameMain::on_input(SDL_Event *e) {
 			//stop the game
 			engine.stop();
 			break;
+		case SDLK_F1:
+			engine.drawing_version = !engine.drawing_version;
+			break;
 		case SDLK_LCTRL:
 			this->ctrl_active = false;
 			break;