#pragma once

//

// app.h - application interface: global initialization and teardown, etc.

//



#include "common.h"



#define INPUT_KEYS_MAX    256

#define INPUT_BUTTONS_MAX 5



namespace app

{

	struct timings

	{

		double T;

		float dt;

	};



	namespace input

	{

		// PRESSED - key or button is held down more than one tick

		enum state { UP = 0, DOWN, PRESSED };



		bool init();

		void term();



		// reset input relative

		bool tick();



		// get keyboard key state

		state get_key_state(uint16 key);



		// get mouse button state

		// 0 - left, 1 - right, 2 - middle, 3 - xbutton1, 4 - xbutton2

		state get_button_state(uint16 button);



		// get mouse wheel relative

		int16 get_wheel_rel();



		// get current cursor position

		void get_cursor_pos(int16 *x, int16 *y);



		// get relative to last query position

		void get_cursor_rel(int16 *xr, int16 *yr);

	}



	// initializes the C++ part of the program: renderer, sound, network

	// return false on error

	bool   init();

	void   term();



	// moves the frame time, 

	// returns false if the program wants to terminate

	bool   tick();



	// returns timings for the last tick

	struct timings   time();



}