自学教程：C++ snd_play函数代码示例

action trigger_visible (){	VECTOR vecTemp;	while(1)	{		vec_set(vecTemp, my.x);		if (vec_to_screen(vecTemp, camera) != NULL) {			switch(my.skill1)			{			case 0:				snd_play(snd_narrator_start, 100, 0);				break;			case 1:				snd_play(snd_narrator_sky, 100, 0);				break;			case 2:				snd_play(snd_narrator_enemy, 100, 0);				break;			case 3:				snd_play(snd_narrator_lottifant, 100, 0);				break;			}			break;		}		wait(1);	}}

int msg_mines (int n, int msg, int z) {		// space mines	int sh, x, y;	switch (msg) {		case msg_update:			objs[n].count = (objs[n].count + 1)&3; return (1);		case msg_draw:			sh = 0xf00 + 18 + objs[n].count/2;			drawshape (&gamevp, sh, objs[n].x, objs[n].y); break;		case msg_touch:			switch (objs[z].kind) {				case obj_player:					if (class_cnt(class_shield)==0) {						p_hit (2); snd_play (1,5);						x = objs[n].x - 11; y = objs[n].y - 9;						addobj (obj_explode3, x, y, 0, 0);						explosion (objs[n].x, objs[n].y, 5);						text ("You hit an enemy space mine!",0);						killobj (n);						}; break;				case obj_shield:					addobj (obj_explode2, objs[n].x, objs[n].y, 0, 0);					explosion (objs[n].x, objs[n].y, 5);					text ("Your shield was destroyed by a space mine",0);					killobj (n); killobj (z); snd_play (1,5);				};		}; return (0);	};

void supernova_process(){	int sn_stage;	// if the supernova is running	sn_stage = supernova_active();	if(sn_stage) {		Supernova_time -= flFrametime;		// sound stuff		if((Supernova_time <= SUPERNOVA_SOUND_1_TIME) && !Supernova_sound_1_played) {			Supernova_sound_1_played = 1;			snd_play(&Snds[SND_SUPERNOVA_1], 0.0f, 1.0f, SND_PRIORITY_MUST_PLAY);		}		if((Supernova_time <= SUPERNOVA_SOUND_2_TIME) && !Supernova_sound_2_played) {			Supernova_sound_2_played = 1;			snd_play(&Snds[SND_SUPERNOVA_2], 0.0f, 1.0f, SND_PRIORITY_MUST_PLAY);		}		// if we've crossed from stage 1 to stage 2 kill all particles and stick a bunch on the player ship		if((sn_stage == 1) && (supernova_active() == 2)) {			// first kill all active particles so we have a bunch of free ones			particle_kill_all();		}		// if we're in stage 2, emit particles		if((sn_stage >= 2) && (sn_stage != 5)) {			supernova_do_particles();		}		// if we've got negative. the supernova is done		if(Supernova_time < 0.0f) {			Supernova_finished = 1;			Supernova_fade_to_white += flFrametime;			// start the dead popup			if(Supernova_fade_to_white >= SUPERNOVA_FADE_TO_WHITE_TIME) {				if(!Supernova_popup) {					// main freespace 2 campaign? if so - end it now					//					// don't actually check for a specific campaign here since others may want to end this way but we					// should test positive here if in campaign mode and sexp_end_campaign() got called - taylor					if (Campaign_ending_via_supernova && (Game_mode & GM_CAMPAIGN_MODE) /*&& !stricmp(Campaign.filename, "freespace2")*/) {						gameseq_post_event(GS_EVENT_END_CAMPAIGN);					} else {						popupdead_start();					}					Supernova_popup = 1;				}				Supernova_finished = 2;			}		}	}}

void ebHandsBgFly (){	if (isEbWarghostAlive())	{		var handRadius = 500;				snd_play(g_sndSparkle, 100, 0);		ENTITY* hands [2];		hands[0] = ent_create("warhand.mdl", vector(-handRadius, 500, 400), ebHandFlyL);		hands[1] = ent_create("warhand.mdl", vector(handRadius, 500, 400), ebHandFlyR);				var t = maxv(g_facTimeEbHandsFlyMin, g_facTimeEbHandsFly * (5 + random(5))) * 16;				snd_play(g_sndHandFlyBoth, 100, 0);				while (t > 0)		{			t -= time_step;			wait(1);		}				g_facTimeEbHandsFly *= g_facTimeEbHandsFlyDec;				ebSndAttack();				int i;		var m = (1 + random(2)) * 16;		for (i = 0; i < 2; i++)		{			(hands[i])->skill1 = 1;			(hands[i])->skill2 = m;		}				while (m > 0)		{			m -= time_step;			wait(1);		}				snd_play(g_sndSparkle, 100, 0);				wait(-0.5);				VECTOR v;		vec_set(&v, player->x);		v.z += 400;				ent_create("warhand.mdl", &v, ebHandWatchSelect);	}		ptr_remove(my);}

int msg_shield (int n, int msg, int z) {	int sh;	switch (msg) {		case msg_update:			if (objs[n].count2 >= 240)				objs[n].count = (objs[n].count + 1)&3;			move_obj (n, objs[0].x-2, objs[0].y-2);			if (++objs[n].count2==340) killobj (n); return (1);		case msg_draw:			sh = 0x804 + objs[n].count/2;			drawshape (&gamevp, sh, objs[n].x, objs[n].y); break;		case msg_touch:			switch (objs[z].kind) {				case obj_enemy1:				case obj_enemy2:				case obj_enemy3:				case obj_enemy4:				case obj_enemy5:				case obj_enemy6:				case obj_enemy7:				case obj_enemy8:				case obj_enemy9:				case obj_enemya:				case obj_enemyb:				case obj_enemyc:				case obj_enemyd:				case obj_enemye:				case obj_enemyf:				case obj_enemyg:				case obj_enemyh:				case obj_enemyi:				case obj_enemyj:				case obj_enemyk:					snd_play (1,7);					if (objs[z].count3 < 1) {						killobj (z);						}					else {						objs[z].xd = -objs[z].xd;						objs[z].yd = -objs[z].yd;						}; break;				case obj_bullet2:				case obj_spinner:				case obj_laser:					snd_play (1,7);					explosion (objs[z].x, objs[z].y, 5);					killobj (z);				};		}; return (0);	};

action ebStartSpeech (){	set(my, INVISIBLE | PASSABLE);		// wait	var t = 3 * 16;	while (t > 0)	{		t -= time_step;		wait(1);	}		if (g_ebSpeech)	{		g_ebSpeech = false;		var h = snd_play(g_sndWarghostBattleSpeechStart, 100, 0);				while (snd_playing(h))			wait(1);	}		// switch warghost to model without hands	if (g_entEbWarghost != NULL)		ent_morph(g_entEbWarghost, "warghostChop.mdl");			ent_create(NULL, nullvector, ebHandsBgFly);	ptr_remove(my);}

// Maybe play a directive success sound... need to poll since the sound is delayed from when// the directive is actually satisfied.void mission_maybe_play_directive_success_sound(){	if ( timestamp_elapsed(Mission_directive_sound_timestamp) ) {		Mission_directive_sound_timestamp=0;		snd_play( &Snds[SND_DIRECTIVE_COMPLETE] );	}}

void playTaunt(int index){   if (g_num_taunts[index] > 0)         {      int sndIndex = 0;      if (g_num_taunts[index] > 1) {         sndIndex = (int) random(g_num_taunts[index]);      }      if (g_tauntHandles[index] != 0) {         snd_stop(g_tauntHandles[index]);         g_tauntHandles[index] = 0;      }      SOUND** sndArr = g_taunts[index];      if (sndArr != null) {         SOUND* snd = sndArr[sndIndex];         if (snd != null) {            g_tauntHandles[index] = snd_play(snd, g_tauntVolume, 0);         }      }   }}

/*--------------------------------------------------------------------------------*| <<< パンチ >>>*---------------------------------------------------------------------------------*/void	cPlayer::Punch(void){	for(int i = 0; i < PLAYER_PUNCH_MAX; i++)	{//一回目 左												//二回目 右		//--- パンチを出す
C++ snd_power_change_state函数代码示例
C++ snd_pcm_writei函数代码示例