sound.cpp

00001 /*------------------------------------------------------------------
00002   Game sounds
00003 ------------------------------------------------------------------*/
00004 #include "game.h"
00005 #include "samples.h"
00006 
00007 
00008 /*------------------------------------------------------------------
00009   Set these flags to start a sound playing
00010 ------------------------------------------------------------------*/
00011 bool playerShootSound;
00012 bool alienDeathSound;
00013 bool playerDeathSound;
00014 bool alienBeatSound;
00015 bool saucerSound,stopSaucerSnd,saucerDieSound;
00016 static byte alienBeat;
00017 
00018 #if SYNTHSOUNDS
00019 SoundPlayer soundPlayer;
00020 Sound shootSound;
00021 #endif
00022 
00023 /*------------------------------------------------------------------
00024   Sound functions
00025 ------------------------------------------------------------------*/
00026 void resetGameSounds()
00027 {
00028   SoundController::reset();
00029   playerShootSound = false;
00030   alienDeathSound = false;
00031   playerDeathSound = false;
00032   alienBeatSound = false;
00033   saucerSound = stopSaucerSnd = saucerDieSound = false;
00034   alienBeat = 0;
00035 }
00036 
00037 void updateGameSounds()
00038 {
00039   if (1) {
00040     if (playerShootSound) {
00041       playerShootSound = false;
00042       SoundController::playSample((prog_char*)shoot_snd, sizeof(shoot_snd),0);
00043     }
00044     if (alienDeathSound) {
00045       alienDeathSound = false;
00046       SoundController::playSample((prog_char*)aliendeath_snd, sizeof(aliendeath_snd),1);
00047     }
00048     if (playerDeathSound) {
00049       playerDeathSound = false;
00050       SoundController::playSample((prog_char*)playerdeath_snd, sizeof(playerdeath_snd),1);
00051     }
00052     if (saucerSound) {
00053       saucerSound = false;
00054       SoundController::playSample((prog_char*)saucer_snd, -sizeof(saucer_snd),2);
00055     }
00056     if (stopSaucerSnd) {
00057       stopSaucerSnd = false;
00058       SoundController::playSample((prog_char*)0,0,2);
00059     }
00060     if (saucerDieSound) {
00061       saucerDieSound = false;
00062       SoundController::playSample((prog_char*)playerdeath_snd, sizeof(playerdeath_snd),2);
00063     }
00064     if (alienBeatSound) {
00065       alienBeatSound = false;
00066       prog_char *b = 0;  unsigned int n = 0;
00067       switch (alienBeat&3) {
00068         case 0:  b = (prog_char*)beat1_snd;  n = sizeof(beat1_snd);  break;
00069         case 1:  b = (prog_char*)beat2_snd;  n = sizeof(beat2_snd);  break;
00070         case 2:  b = (prog_char*)beat3_snd;  n = sizeof(beat3_snd);  break;
00071         case 3:  b = (prog_char*)beat4_snd;  n = sizeof(beat4_snd);  break;
00072       }
00073       SoundController::playSample(b,n,3);
00074       ++alienBeat;
00075     }
00076     SoundController::update();
00077   }
00078 #if SYNTHSOUNDS
00079   else {
00080     if (playerShootSound) {
00081       playerShootSound = false;
00082       shootSound.adsr = ADSR(10,15,100,36);
00083       soundPlayer.setVolume(200).setSound(shootSound).play(440,100);
00084     }
00085     SoundController::update();
00086   }
00087 #endif
00088   
00089 }