1 files changed, 78 insertions, 0 deletions
diff --git a/src/blu_cat/int/core.cpp b/src/blu_cat/int/core.cpp
index ffae1d2..6f67b98 100644
--- a/src/blu_cat/int/core.cpp
+++ b/src/blu_cat/int/core.cpp
@@ -718,4 +718,82 @@ const CommandChain Core::loader{
 
 Core core;
 
+void
+run_game(std::unique_ptr<BluCat::INT::Mode> _mode)
+{
+  using namespace std::chrono;
+  using namespace std::this_thread;
+
+	std::unique_ptr<BluCat::INT::Mode> mode{std::move(_mode)};
+	std::unique_ptr<BluCat::INT::Controller> controller{
+		mode->default_controller()};
+
+	bool quit{false};
+	int x, y, xrel, yrel;
+	SDL_Event event;
+	auto frame_start = steady_clock::now();
+
+	while(!quit)
+	{
+		if(core.next_game_mode)
+		{
+			mode = std::move(core.next_game_mode);
+			controller = mode->default_controller();
+		}
+		else if(core.next_game_controller)
+			controller = std::move(core.next_game_controller);
+
+		while(SDL_PollEvent(&event))
+		{
+			switch(event.type)
+			{
+			case SDL_EVENT_KEY_DOWN:
+				if(event.key.repeat != 0) continue;
+				controller->key_down(event.key.key);
+				break;
+			case SDL_EVENT_KEY_UP:
+				if(event.key.repeat != 0) continue;
+				controller->key_up(event.key.key);
+				break;
+			case SDL_EVENT_MOUSE_BUTTON_DOWN:
+				controller->mouse_button_down(event.button);
+				break;
+			case SDL_EVENT_MOUSE_BUTTON_UP:
+				controller->mouse_button_up(event.button);
+				break;
+			case SDL_EVENT_MOUSE_MOTION:
+				x = event.motion.x;
+				y = event.motion.y;
+
+				xrel = event.motion.xrel;
+				yrel = event.motion.yrel;
+
+				controller->mouse_motion(x, y, xrel, yrel);
+				break;
+			case SDL_EVENT_QUIT:
+				quit = true;
+			}
+		}
+
+		controller->tick();
+		mode->render();
+		controller->render();
+		BluCat::INT::core.vk_renderer->draw();
+
+		{ // Timer
+			auto frame_stop = steady_clock::now();
+			auto frame_duration = frame_stop - frame_start;
+
+			// If frame take less time than maximum allowed.
+			if(core.max_frame_duration > frame_duration)
+				sleep_for(core.max_frame_duration - frame_duration);
+
+			frame_start = frame_stop;
+		}
+	}
+
+	controller = nullptr;
+	mode = nullptr;
+}
+
 }