src/sgesound.c

/*
 * Copyright (c) 2007 Heiko Irrgang
 *
 * The license and distribution terms for this file may be
 * found in the file COPYING in this distribution or at
 * http://93-interactive.com/cms/products/software/sdl-game-engine/license/
 */

#include <sge.h>

int sgeDefaultSampleRate=44100;

void sgeSetDefaultSampleRate(int rate) {
        sgeDefaultSampleRate=rate;
}

int sgeGetDefaultSampleRate() {
        return sgeDefaultSampleRate;
}

int sgeGlobalVolume=MIX_MAX_VOLUME;

void sgeSetVolume(int volume) {
        sgeGlobalVolume=volume;
        Mix_Volume(-1, volume);
}

int sgeGetVolume() {
        return sgeGlobalVolume;
}

SGESOUND *sgeSoundNew(SGEFILE *f, const char *name) {
        SGESOUND *ret;
        sgeNew(ret, SGESOUND);
        ret->data=sgeReadSound(f, name);
        ret->playing=0;
        ret->channel=-1;
        return ret;
}

void sgeSoundDestroy(SGESOUND *m) {
        if (m->playing) {
                Mix_HaltChannel(m->channel);
        }
        Mix_FreeChunk(m->data);
        sgeFree(m);
}

void sgeSoundPlay(SGESOUND *m, int loop, int fadeinms) {
        if (m->playing) return;

        if (fadeinms==0) {
                m->channel=Mix_PlayChannel(-1, m->data, loop);
        } else {
                m->channel=Mix_FadeInChannel(-1, m->data, loop, fadeinms);
        }
        m->playing=1;
}

void sgeSoundStop(SGESOUND *m, int fadeoutms) {
        if (!m->playing) return;

        if (fadeoutms==0) {
                Mix_HaltChannel(m->channel);
        } else {
                Mix_FadeOutChannel(m->channel, fadeoutms);
        }
        m->channel=-1;
        m->playing=0;
}

int sgeSoundIsPlaying(SGESOUND *m) {
        if (m->channel<0) return 0;
        return Mix_Playing(m->channel);
}