BattleCity/Audio.cpp at master · wdigger/BattleCity · GitHub

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/**************************************************
Autor: Damian "RippeR" Dyñdo
URL: http://warsztat.gd/projects.php?x=view&id=2063
**************************************************/

#include "Audio.h"
#include <iostream>
using namespace std;

CAudio::~CAudio() {
    Mix_CloseAudio();
}
void PlayOnMove();
void StopOnMove();

void CAudio::Init() {
    if(Mix_OpenAudio(22050, AUDIO_S16SYS, 2, 1536) != 0) {
        cout << "- Nie mozna zainicjalizowac biblioteki SDL_Mixer\n";
        return;
    }

    Mix_Volume(0,MIX_MAX_VOLUME/2);
    Mix_Volume(1,MIX_MAX_VOLUME/2);
    Mix_Volume(2,MIX_MAX_VOLUME/4);
    Mix_Volume(3,MIX_MAX_VOLUME/2);
    Mix_Volume(4,MIX_MAX_VOLUME/2);
    Mix_Volume(5,MIX_MAX_VOLUME/2);
    Mix_Volume(6,MIX_MAX_VOLUME/2);

    OnMove.sound = Mix_LoadWAV_RW(SDL_RWFromFile("data/sounds/background.ogg", "rb"), 1);
    Fire.sound = Mix_LoadWAV_RW(SDL_RWFromFile("data/sounds/fire.ogg", "rb"), 1);
    Explosion.sound = Mix_LoadWAV_RW(SDL_RWFromFile("data/sounds/explosion.ogg", "rb"), 1);
    Bonus.sound = Mix_LoadWAV_RW(SDL_RWFromFile("data/sounds/bonus.ogg", "rb"), 1);
    GameStart.sound = Mix_LoadWAV_RW(SDL_RWFromFile("data/sounds/gamestart.ogg", "rb"), 1);
    GameOver.sound = Mix_LoadWAV_RW(SDL_RWFromFile("data/sounds/gameover.ogg", "rb"), 1);

    if(OnMove.sound == NULL || Fire.sound == NULL || Explosion.sound == NULL || Bonus.sound == NULL || GameStart.sound == NULL || GameOver.sound == NULL) {
        cout << "- Nie mozna bylo zaladowac muzyki\n"; exit(1);
    }
}

void CAudio::PlayChunk(SOUNDS type) {
    switch(type) {
        case SOUND_ONMOVE:
            if(OnMove.is_played == false) {
                Mix_PlayChannel(0, OnMove.sound, -1);
                OnMove.is_played = true;
            }
            break;
        case SOUND_FIRE:
            Mix_HaltChannel(1);
            Mix_PlayChannel(1, Fire.sound, 0);
            break;
        case SOUND_EXPLOSION:
            Mix_HaltChannel(2);
            Mix_PlayChannel(2, Explosion.sound, 0);
            break;
        case SOUND_BONUS:
            Mix_HaltChannel(3);
            Mix_PlayChannel(3, Bonus.sound, 0);
            break;
        case SOUND_GAMESTART:
            Mix_HaltChannel(4);
            Mix_PlayChannel(4, GameStart.sound, 0);
            break;
        case SOUND_GAMEOVER:
            Mix_HaltChannel(5);
            Mix_PlayChannel(5, GameOver.sound, 0);
            break;
        case SOUND_DIE:
            Mix_HaltChannel(6); Mix_HaltChannel(2);
            Mix_PlayChannel(6, Explosion.sound, 0);
    }
}

void CAudio::StopAll() {
    for(int i=0; i<7; ++i)
        Mix_HaltChannel(i);
}

void CAudio::StopChunk(SOUNDS type) {
    switch(type) {
        case SOUND_ONMOVE:
            Mix_HaltChannel(0);
            OnMove.is_played = false;
            break;
        //case ____:
    }
}