kolibrios-fun/programs/games/heliothryx/game/rs/rsplatform_kos.c

#include "rsplatform.h"

rs_app_t rs_app;




// set this macro to zero (0) if bug is fixed
#define FIX_MENUETOS_LEGACY_ONE_PIXEL_BORDER_GAP_BUG (-1)

// Fixed frame rate, set to 25
#define GAME_REQUIRED_FPS 25 



//extern char	PATH[256];
//extern char	PARAM[256];

int window_width, window_height;

int fps = 0;
int dt = 1;
int draw_dt = 1;
int area_width = 160;
int area_height = 160;

int w_plus = 0;





#define     BIT_SET(var,mask)   { var |= (mask); }
#define     BIT_CLEAR(var,mask) { var &= ~(mask); }
#define     BIT_TOGGLE(var,mask) { var ^= (mask); }

#define     IS_BIT_SET(var,mask)      ( (var) & (mask) )
#define     IS_BIT_CLEARED(var,mask)  (!( (var) & (mask) ))


void BoardPuts(const char *s)
{
	unsigned int i = 0;
	while(*(s + i))
	{
		asm volatile ("int $0x40"::"a"(63), "b"(1), "c"(*(s + i)));
		i++;
	}
}

void board_write_integer(const char *s, int i) {

	char tmp[16];
	
	

};


void kol_wnd_resize(unsigned w, unsigned h)
{
	asm volatile ("int $0x40"::"a"(67), "b"(-1), "c"(-1), "d"(w), "S"(h));
}




void wnd_draw()
{

	char tmp[] = "Fps:000 | Heliothryx Beta by Roman Shuvalov";
	
	kol_paint_start();

	tmp[4] = '0' + ( (fps/100) % 10 );
	tmp[5] = '0' + ( (fps/10) % 10 );
	tmp[6] = '0' + ( (fps) % 10 );

	kol_wnd_define(100, 100, window_width, window_height, 0x74ddddff, 0x34ddddff, "HELLO WINDOW");
	kol_wnd_caption(tmp);
	
	GameProcess();

	kol_paint_end();

}




/// ===========================================================

void kol_main()
{

	BoardPuts("Hello, Heliothryx!\n");
	
	int    err;
    int    version =-1;
 
    if((err = InitSound(&version)) !=0 ){
        BoardPuts("Sound Error 1\n");
    };
 
    if( (SOUND_VERSION>(version&0xFFFF)) ||
        (SOUND_VERSION<(version >> 16))){
        BoardPuts("Sound Error 2\n");
    }


	unsigned event;
	unsigned key;
	unsigned key_up;
	
	unsigned btn;
	unsigned pos, x, y;
	int gx, gy;

	//srand(kol_system_time_get());

	// kol_event_mask( 0xC0000027 ); // enable using of mouse 
	kol_event_mask(7); // keyboard only
	
	kol_key_mode_set(1);
	
	area_width = 640;
	area_height = 360;

	// Initializing variables
	window_width = FIX_MENUETOS_LEGACY_ONE_PIXEL_BORDER_GAP_BUG + area_width + 10; // 2 x 5px border
	window_height = FIX_MENUETOS_LEGACY_ONE_PIXEL_BORDER_GAP_BUG + kol_skin_height() + area_height + 5; // bottom 5px border


	GameInit();

	wnd_draw();

	fps = 0;
	
	unsigned int tick_start = kol_time_tick();
	unsigned int tick_current = tick_start;
	unsigned int tick_last = tick_start;
	
	unsigned int fps_counter = 0;
	int wait_time;
	int already_drawn = 0;
	
	float xf; 
	float xfs;
	int xfs_i;
	
	while (1) {
		tick_last = tick_current;
		tick_current = kol_time_tick();
		dt = tick_current - tick_last;
		tick_last = tick_current;
		
		already_drawn = 0;
		
		while (( event = kol_event_wait_time(1) )) { 
		
			switch (event) {
		
				case 1:
					wnd_draw(); // <--- need to clear event!
					already_drawn = 1;
					break;

				case 2:
					key = kol_key_get();
					key = (key & 0xff00)>>8;	
					key_up = key & 0x80;				
					key = key & 0x7F;
					
					if (key_up) {
						GameKeyUp(key, 1);
					}
					else {
						GameKeyDown(key);
					};
				
					break;
			
				case 3:
					switch ((kol_btn_get() & 0xff00)>>8)
						{
						case 1: // close button
							kol_exit();
						case 2: // 'new' button 
							//init_board();
							//wnd_draw();
							break;
						}
					break;
			
				case 6:
					btn = kol_mouse_btn(); // read mouse button
					pos = kol_mouse_posw(); // read mouse position
					x = pos / 65536;
					y = pos % 65536;
					if (x > window_width)
						x=0;
					if (y > window_height)
						y=0;

				
					break;
			}
			
		};
		
		
		if (!already_drawn) {
			wnd_draw();
		};
		
		
		fps_counter++;		
		
		tick_current = kol_time_tick();
		
		if (tick_current > tick_start+100) {
			fps = fps_counter;
			fps_counter = 0;
			tick_start += 100;
		};
	
		draw_dt = tick_current - tick_last;
		
		wait_time = (100/GAME_REQUIRED_FPS) - draw_dt;
		if (wait_time <= 0) {
			wait_time = 1;
		};
		kol_sleep(wait_time);


	}

	GameTerm();

	kol_exit();
}