Пример #1
0
static void
text(void)

{

    int		ch;			/* next input character */

/*
 *
 * Translates the next input file into PostScript. The redirect(-1) call forces
 * the initial output to go to /dev/null - so the stuff formfeed() does at the
 * end of each page doesn't go to stdout.
 *
 */

    redirect(-1);			/* get ready for the first page */
    formfeed();				/* force PAGE comment etc. */
    inittabs();

    while ( (ch = getc(fp_in)) != EOF )
	switch ( ch )  {
	    case '\010':		/* backspace */
		    backspace();
		    break;

	    case '\011':		/* horizontal tab */
		    htab();
		    break;

	    case '\012':		/* new line */
		    linefeed();
		    break;

	    case '\013':		/* vertical tab */
		    vtab();
		    break;

	    case '\014':		/* form feed */
		    formfeed();
		    break;

	    case '\015':		/* carriage return */
		    carriage();
		    break;

	    case '\016':		/* extended character set - SO */
		    break;

	    case '\017':		/* extended character set - SI */
		    break;

	    case '\031':		/* next char from supplementary set */
		    break;

	    case '\033':		/* 2 or 3 byte escape sequence */
		    escape();
		    break;

	    default:
		    oput(ch);
		    break;
	}   /* End switch */

    formfeed();				/* next file starts on a new page? */

}   /* End of text */
Пример #2
0
int flying(void) {

	unsigned char ch;
	int shipy;
	int turning=0;
	int draw_splash=0,splash_count=0;
	int zint;



	/************************************************/
	/* Flying					*/
	/************************************************/

	gr();
	ram[DRAW_PAGE]=PAGE0;
	clear_bottom();
	ram[DRAW_PAGE]=PAGE1;
	clear_bottom();

	shipy=20;

	while(1) {
		if (splash_count>0) splash_count--;

		ch=grsim_input();

		if ((ch=='q') || (ch==27))  break;

#if 0
		if (ch=='g') {
			BETA+=0.1;
			printf("Horizon=%lf\n",BETA);
		}
		if (ch=='h') {
			BETA-=0.1;
			printf("Horizon=%lf\n",BETA);
		}

		if (ch=='s') {
			scale_x++;
			scale_y++;
			printf("Scale=%lf\n",scale_x);
		}
#endif

		if ((ch=='w') || (ch==APPLE_UP)) {
			if (shipy>16) {
				shipy-=2;
				space_z.i++;

			}
			splash_count=0;

//			printf("Z=%lf\n",space_z);
		}
		if ((ch=='s') || (ch==APPLE_DOWN)) {
			if (shipy<28) {
				shipy+=2;
				space_z.i--;
			}
			else {
				splash_count=10;
			}
//			printf("Z=%lf\n",space_z);
		}
		if ((ch=='a') || (ch==APPLE_LEFT)) {
			if (turning>0) {
				turning=0;
			}
			else {
				turning=-20;

				angle-=1;
				if (angle<0) angle+=ANGLE_STEPS;
			}
		}
		if ((ch=='d') || (ch==APPLE_RIGHT)) {
			if (turning<0) {
				turning=0;
			}
			else {
				turning=20;
				angle+=1;
				if (angle>=ANGLE_STEPS) angle-=ANGLE_STEPS;
			}

		}

		/* Used to be able to go backwards */
		if (ch=='z') {
			if (speed<3) speed++;
		}

		if (ch=='x') {
			if (speed>0) speed--;
		}

		if (ch==' ') {
			speed=SPEED_STOPPED;
		}

		if (ch=='h') {
			print_help();
		}

		/* Ending */
		if (ch==13) {
			int landing_color,tx,ty;
			tx=cx.i;	ty=cy.i;

			landing_color=lookup_map(tx,ty);
			printf("Trying to land at %d %d\n",tx,ty);
			printf("Color=%d\n",landing_color);
			if (landing_color==12) {
				int loop;

				zint=space_z.i;

				/* Land the ship */
				for(loop=zint;loop>0;loop--) {

					draw_background_mode7();
					grsim_put_sprite(shadow_forward,SHIPX+3,31+zint);
					grsim_put_sprite(ship_forward,SHIPX,shipy);
					page_flip();
					usleep(200000);

					space_z.i--;


				}

				return 0;
			}
			else {
				htab(11);
				vtab(22);
				move_cursor();
				print_both_pages("NEED TO LAND ON GRASS!");
			}
		}



		if (speed!=SPEED_STOPPED) {

			int ii;

			dx.i = fixed_sin_scale[(angle+4)&0xf].i;        // cos
			dx.f = fixed_sin_scale[(angle+4)&0xf].f;        // cos
			dy.i = fixed_sin_scale[angle&0xf].i;
			dy.f = fixed_sin_scale[angle&0xf].f;

			for(ii=0;ii<speed;ii++) {
				fixed_add(&cx,&dx,&cx);
				fixed_add(&cy,&dy,&cy);
			}

		}

		draw_background_mode7();

		zint=space_z.i;

		draw_splash=0;


		if (speed>0) {

			if ((shipy>25) && (turning!=0)) {
				splash_count=1;
			}

			if ((over_water) && (splash_count)) {
				draw_splash=1;
			}
		}

//		printf("VMW: %d %d\n",draw_splash,splash_count);

		if (turning==0) {
			if (draw_splash) {
				grsim_put_sprite(splash_forward,
					SHIPX+1,shipy+9);
			}
			grsim_put_sprite(shadow_forward,SHIPX+3,31+zint);
			grsim_put_sprite(ship_forward,SHIPX,shipy);
		}
		if (turning<0) {

			if (draw_splash) {
				grsim_put_sprite(splash_left,
						SHIPX+1,36);
			}
			grsim_put_sprite(shadow_left,SHIPX+3,31+zint);
			grsim_put_sprite(ship_left,SHIPX,shipy);
			turning++;
		}
		if (turning>0) {

			if (draw_splash) {
				grsim_put_sprite(splash_right,
						SHIPX+1,36);
			}
			grsim_put_sprite(shadow_right,SHIPX+3,31+zint);
			grsim_put_sprite(ship_right,SHIPX,shipy);
			turning--;
		}

		page_flip();

		usleep(20000);

	}
	return 0;
}