Collab_RPG/src/main.c

#include <gint/display.h>
#include <gint/keyboard.h>
#include <gint/timer.h>
#include <gint/cpu.h>

#include "config.h"

#if USB_FEATURE
    #include <gint/usb-ff-bulk.h>
    #include <gint/usb.h>
#endif //USB_FEATURE


#if !defined(FXCG50) && defined(COLOR2BIT)
    #define GRAYMODEOK
#endif

#ifdef GRAYMODEOK
    #include <gint/gray.h>
#endif //GRAYMODEOK

#include <stdint.h>
#include <stdbool.h>

#include "game.h"
#include "mapdata.h"

/* Game data (defined in "game.h")*/
Game game = {
    &map_level0,
    {10, 5, 0, 0, 100},
    false, false, false, 0
};

/* screen capture management code */

#if USB_FEATURE==1

    void USB_feature( void )
    {
        if (game.screenshot && usb_is_open()) {

            #ifdef GRAYMODEOK // This is a trick, if GRAYMODEOK is defined then we make the code accessible

                if (dgray_enabled())
                    usb_fxlink_screenshot_gray(false);
                else

            #endif

            usb_fxlink_screenshot(false); // else we just let the usual screeshot function
            game.screenshot = false;
        }


        if (game.record && usb_is_open()) {
        
            #ifdef GRAYMODEOK

                if (dgray_enabled())
                    usb_fxlink_videocapture_gray(false);
                else

            #endif

            usb_fxlink_videocapture(false);
        }
    }

#endif

/* Timer callback */

int update_time(void) {
    game.frame_duration++;
    return TIMER_CONTINUE;
}

int main(void) {
    int timer;
    timer = timer_configure(TIMER_TMU, 1000, GINT_CALL(update_time));
    if(timer < 0){
        return -1;
    }
    timer_start(timer);

    #if USB_FEATURE==1
        usb_interface_t const *interfaces[] = {&usb_ff_bulk, NULL};
        usb_open(interfaces, GINT_CALL_NULL);
    #endif


    /* start grayscale engine */

    #ifdef GRAYMODEOK
        dgray(DGRAY_ON);
    #endif


    do{
        /* clear screen */
        dclear(C_WHITE);

        /* render the map */
        draw(&game);

        /* start the logic of the game */
        game_logic(&game);

        /* Screen blit */
        dupdate();

        /* Screen capture feature if enabled */
        #if USB_FEATURE==1
            USB_feature();
        #endif

        /* Management of the inputs */
        get_inputs(&game);
        /* Run the game at max. 50fps */
        while(game.frame_duration < 20) sleep();
        /* Reset frame_duration for the next frame */
        game.frame_duration = 0;
    }while(!game.exittoOS); // want to exit ?



    /* shutdown grayengine*/
    #ifdef GRAYMODEOK
        dgray(DGRAY_OFF);
    #endif


    /* close USB */
    #if USB_FEATURE==1
          usb_close();
    #endif

    timer_stop(timer);
    return 1;
}