supercasiobros/src/keyboard.c

#include <keyboard.h>
#include <mario.h>
#include <score.h>
#include <gint/keyboard.h>
#include <gint/display.h>
//#include <gint/timer.h>
#include <gint/clock.h>
#include <config.h>

static mkb_t keys[6]={0};

int mkb_getstate(mkb_t const k)
{
	if (k!=MK_NONE)
		return keys[k];
	return 0;
}

void mkb_clear()
{
	for (int i=0; i<6; i++)
		keys[i]=0;
	clearevents();
}

int mkb_getkey()
{
	mkb_clear();

	while (1)
	{
		key_event_t const e=pollevent();
		if (e.type==KEYEV_DOWN) // Returns only whan a key is down
			return e.key;
		else
			sleep(); // Processor friendly :)
	}
}

static int menu_pause() // 1 exit, 0 continue
{ 
	extern image_t img_menu_pause;
	extern image_t img_select_arrow;

	clearevents();

	int choice=0;

	int x=64-img_menu_pause.width/2;
	int y=32-img_menu_pause.height/2;
	for (int i=0; i<6; i++)
		keys[i]=0;
	while (1)
	{
		dimage(x,y,&img_menu_pause);
		dimage(x+2, y+2+7*choice, &img_select_arrow);

		dupdate();
		switch (mkb_getkey())
		{
			case KEY_EXIT:
			return 0;

			case KEY_MENU:
			return 1;

			case KEY_OPTN:
			choice=2;
			// fall through
			case KEY_EXE:
			if (choice==2)
				configmenu();
			return choice & 1;

			case KEY_UP:
			if (choice>0)
				choice--;
			break;

			case KEY_DOWN:
			if (choice<2)
				choice++;
			break;
#ifdef KONAMI
			case KEY_F1:

			for (int a=0; a<10; a++)
			{
				key_event_t e=pollevent();
				if (e.type==KEYEV_DOWN)
				{
					static int const konami[]={KEY_UP,KEY_UP,KEY_DOWN,KEY_DOWN,KEY_LEFT,KEY_RIGHT,KEY_LEFT,KEY_RIGHT,KEY_ALPHA,KEY_SHIFT};
					if (e.key!=konami[a])
						break;
				}
				if (keydown(KEY_EXIT))
					break;
				if (a==10) // Cheat code
				{
					mario_bigger();
					mario_has_bullets=1;
					for (int i=0; i<20; i++)
						lifes_add();
					extern image_t img_dev;
					dimage(0,0,&img_dev);
					dupdate();
					sleep_ms(3,1000);
					return 0;
				}
				else
					e=pollevent();
			}
#endif
		}
	}
}

void mkb_update()
{
	key_event_t e;
	e=pollevent();
	int menu=0;
	for (int i=0; i<6; i++)
		if (keys[i]==2) keys[i]=1;
	while(e.type!=KEYEV_NONE)
	{
		mkb_t k = MK_NONE;

		if(e.key==KEY_LEFT)
			k=MK_LEFT;
		if(e.key==KEY_RIGHT)
			k=MK_RIGHT;

		if(e.key==KEY_SHIFT)
			k=MK_JUMP;
		if(e.key==KEY_UP)
			k=MK_UP;

		if(e.key==KEY_DOWN)
			k=MK_DOWN;

		if(e.key==KEY_ALPHA)
			k=MK_RUN;

		if(keydown(KEY_EXIT))
			menu=1; // Displays menu after updating the keyboard



		if (k!=MK_NONE)
		{
			if (e.type==KEYEV_DOWN)
			{
				keys[k]=2;
			}
			if (e.type==KEYEV_UP)
			{
				keys[k]=0;
			}
		}
		e=pollevent();
	}
	if (menu)
	{
		int t=menu_pause();
		if (t==1)
			finish_level=-1; // Exits the level
		return;
	}
}