#include <OpenFrontend2.h>
#include <Frontend2Utils.h>

using namespace Frontend;
using namespace Frontend::Utils;
using namespace Frontend::Utils::Simple;

int main(int argc, char** argv)
{
	SimpleSetup setup(GUI::CreateNativeWindowManager(), Graphics::OpenFrontendGL2CG());

	try
	{
		// Initialize SimpleSetup
		setup.SetResolution(800, 600);
		setup.SetTitle("Hello Frontend!");
		setup.SetFileSystemRoot("data");
		setup.Start();

		// Hook mouse and keyboard events
		Keyboard keyboard(setup.GetWindow());
		Mouse mouse(setup.GetWindow());
		setup.GetWindowManager()->HideCursor();

		// Load scene
		RScene level("level.DAE");

		// Load funky lightmap shader
		RProgram shader("shader.cg");

		// Initialize renderer
		SimpleRenderer renderer(setup.GetGraphicsDevice());
		renderer.SetProgram(shader);

		// Physics variables
		float walkSpeed = 50.0f;
		float turnSpeed = 0.1f;
		renderer.GetCamera()->SetPosition(Math::Vector3(0, 0, 5));

		while (setup.Update())
		{
			setup.GetGraphicsDevice()->Clear(Graphics::ClearBuffersAll, 0.3, 0.35, 0.65, 0, 1, 0);

			// Let WASD keys control walk/strafe
			float frameTime = setup.GetFrameTime();
			if (keyboard.KeyDown('W')) renderer.GetCamera()->Move(frameTime * walkSpeed);
			if (keyboard.KeyDown('S')) renderer.GetCamera()->Move(-frameTime * walkSpeed);
			if (keyboard.KeyDown('A')) renderer.GetCamera()->Strafe(-frameTime * walkSpeed);
			if (keyboard.KeyDown('D')) renderer.GetCamera()->Strafe(frameTime * walkSpeed);
			
			// Let mouse control turn/pitch
			Math::Vector2i mouseDelta = mouse.Lock(setup.GetWindow());
			renderer.GetCamera()->Turn(mouseDelta.x * turnSpeed);
			renderer.GetCamera()->Pitch(- mouseDelta.y * turnSpeed);

			// Draw the scene
			renderer.Render(setup.GetState(), level);
		}
	}
	catch (Exception e)
	{
		setup.HandleException(e);
	}
}