code.txt

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//comments mine

//prize.c:do_prizes()

	      case PR_SING:
                /** in single-shot mode, gain the ability to shoot one
                more torpedo at the same time. in Multi-shot mode, revert to
                single-shot mode*/
		if(weapon == SINGLESHOT)
		    maxtorps++;
		else
		    weapon = SINGLESHOT;
		break;


	      case PR_DOUB:
                /** If in double-shot mode, gain the ability to shoot one
                more torpedo at the same time. Else, switch to
                double-shot mode and limit no. of torpedos at one time
                to 4.*/

		if(weapon == DOUBLESHOT)
		    maxtorps++;
		else {
		    weapon = DOUBLESHOT;
		    if(maxtorps < 4)
			maxtorps = 4;
		}
		break;


	      case PR_TRIP:
                /** If in triple-shot mode, gain the ability to shoot one
                more torpedo at the same time. Else, switch to
                triple-shot mode and limit no. of torpedos at one time
                to 6.*/

		if(weapon == TRIPLESHOT)
		    maxtorps++;
		else {
		    weapon = TRIPLESHOT;
		    if(maxtorps < 6)
			maxtorps=6;
		}
		break;


	      case PR_SPEED:
                /** increase moving speed */
		if(movespeed < MAXSPEED)
		    movespeed++;
		break;


	      case PR_SHIELD:
                /** activate shield */
		plshield = SHIELDTIME;
#ifdef SOUND
		play_sound(SND_SHIELD);
#endif
		break;



	      case PR_SMART:     //I_PR_BRAIN, pr_brain.xpm
                /** kill all aliens */
#ifdef SOUND
		play_sound(SND_SMART);
		oldPlaySounds = playSounds;
		playSounds = 0;
#endif
		for(i=0;i<MAXALIENS;i++) {
		    if(aliens[i].alive && !aliens[i].dying) {
			aliens[i].dying = 1;
			if(i >= 10) {
			    if(aliens[i].dir < 0)
				score += 50;
			    else {
				score += (6-(i/10))*100;
				if(!(random()%(gotlemon ? 3 : PRIZECHANCE)))
				    new_prize(aliens[i].x, aliens[i].y);
			    }
			    new_explosion(aliens[i].x, aliens[i].y, 0);
			} else {
			    if(aliens[i].dir < 0)
				score += 200;
			    else {
				ne=0; /* count how many escorts */
				for(k = i+9;k < i+12; k++) {
				    if(aliens[k].escorting == i)
					ne++;
				}				    
				score_flagship(aliens[i].x, aliens[i].y, ne);
			    }
			    new_explosion(aliens[i].x, aliens[i].y, 1);
			}
		    }
		}
#ifdef SOUND
		playSounds = oldPlaySounds;
#endif
		break;



	      case PR_LEMON:
                /** "lemon". Kill all prices gained so far and
                    revert to default (start-) configuration. Decrease
                    probability of finding new prizes to 1/10th for as
                    long as the current level runs.*/
		gotlemon = 1;
		maxtorps = MINTORPS;
		weapon = 0;
		movespeed = MINSPEED;
		break;



	      case PR_EXTRABULLET:
                /** Increase no. of torpedos shootable at the same
                time by one (limit 10).*/
		if(maxtorps < MAXTORPS)
		    maxtorps++;
		break;
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