fx_man.c

来自「An interactive water fountain. A realis」· C语言 代码 · 共 1,163 行 · 第 1/2 页

int32_t FX_SetFrequency
(
    int32_t handle,
    int32_t frequency
)

{
    int32_t status;

    status = MV_SetFrequency(handle, frequency);
    if (status == MV_Error)
    {
        FX_SetErrorCode(FX_MultiVocError);
        status = FX_Warning;
    }

    return(status);
}


/*---------------------------------------------------------------------
   Function: FX_PlayVOC

   Begin playback of sound data with the given volume and priority.
---------------------------------------------------------------------*/

int32_t FX_PlayVOC
(
    char *ptr,
    int32_t pitchoffset,
    int32_t vol,
    int32_t left,
    int32_t right,
    int32_t priority,
    uint32_t callbackval
)

{
    int32_t handle;

    handle = MV_PlayVOC(ptr, pitchoffset, vol, left, right,
                        priority, callbackval);
    if (handle < MV_Ok)
    {
        FX_SetErrorCode(FX_MultiVocError);
        handle = FX_Warning;
    }

    return(handle);
}


/*---------------------------------------------------------------------
   Function: FX_PlayLoopedVOC

   Begin playback of sound data with the given volume and priority.
---------------------------------------------------------------------*/

int32_t FX_PlayLoopedVOC
(
    char *ptr,
    int32_t loopstart,
    int32_t loopend,
    int32_t pitchoffset,
    int32_t vol,
    int32_t left,
    int32_t right,
    int32_t priority,
    uint32_t callbackval
)

{
    int32_t handle;

    handle = MV_PlayLoopedVOC(ptr, loopstart, loopend, pitchoffset,
                              vol, left, right, priority, callbackval);
    if (handle < MV_Ok)
    {
        Bsprintf(tempbuf, "Sound error %d: %s\n",callbackval, FX_ErrorString(FX_Error));
        initprintf(tempbuf);
        FX_SetErrorCode(FX_MultiVocError);
        handle = FX_Warning;
    }

    return(handle);
}


/*---------------------------------------------------------------------
   Function: FX_PlayWAV

   Begin playback of sound data with the given volume and priority.
---------------------------------------------------------------------*/

int32_t FX_PlayWAV
(
    char *ptr,
    int32_t pitchoffset,
    int32_t vol,
    int32_t left,
    int32_t right,
    int32_t priority,
    uint32_t callbackval
)

{
    int32_t handle;

    handle = MV_PlayWAV(ptr, pitchoffset, vol, left, right,
                        priority, callbackval);
    if (handle < MV_Ok)
    {
        FX_SetErrorCode(FX_MultiVocError);
        handle = FX_Warning;
    }

    return(handle);
}

/*---------------------------------------------------------------------
   Function: FX_PlayOGG

   Begin playback of sound data with the given volume and priority.
---------------------------------------------------------------------*/

int32_t FX_PlayOGG
(
    char *ptr,
    int32_t pitchoffset,
    int32_t vol,
    int32_t left,
    int32_t right,
    int32_t priority,
    uint32_t callbackval
)

{
    int32_t handle;

    handle = MV_PlayOGG(ptr, pitchoffset, vol, left, right,
                        priority, callbackval);
    if (handle < MV_Ok)
    {
        FX_SetErrorCode(FX_MultiVocError);
        handle = FX_Warning;
    }

    return(handle);
}

/*---------------------------------------------------------------------
   Function: FX_PlayWAV

   Begin playback of sound data with the given volume and priority.
---------------------------------------------------------------------*/

int32_t FX_PlayLoopedWAV
(
    char *ptr,
    int32_t loopstart,
    int32_t loopend,
    int32_t pitchoffset,
    int32_t vol,
    int32_t left,
    int32_t right,
    int32_t priority,
    uint32_t callbackval
)

{
    int32_t handle;

    handle = MV_PlayLoopedWAV(ptr, loopstart, loopend,
                              pitchoffset, vol, left, right, priority, callbackval);
    if (handle < MV_Ok)
    {
        Bsprintf(tempbuf, "Sound error %d: %s\n",callbackval, FX_ErrorString(FX_Error));
        initprintf(tempbuf);
        FX_SetErrorCode(FX_MultiVocError);
        handle = FX_Warning;
    }

    return(handle);
}

int32_t FX_PlayLoopedOGG
(
    char *ptr,
    int32_t loopstart,
    int32_t loopend,
    int32_t pitchoffset,
    int32_t vol,
    int32_t left,
    int32_t right,
    int32_t priority,
    uint32_t callbackval
)

{
    int32_t handle;

    handle = MV_PlayLoopedOGG(ptr, loopstart, loopend,
                              pitchoffset, vol, left, right, priority, callbackval);
    if (handle < MV_Ok)
    {
        Bsprintf(tempbuf, "Sound error %d: %s\n",callbackval, FX_ErrorString(FX_Error));
        initprintf(tempbuf);
        FX_SetErrorCode(FX_MultiVocError);
        handle = FX_Warning;
    }

    return(handle);
}

/*---------------------------------------------------------------------
   Function: FX_PlayVOC3D

   Begin playback of sound data at specified angle and distance
   from listener.
---------------------------------------------------------------------*/

int32_t FX_PlayVOC3D
(
    char *ptr,
    int32_t pitchoffset,
    int32_t angle,
    int32_t distance,
    int32_t priority,
    uint32_t callbackval
)

{
    int32_t handle;

    handle = MV_PlayVOC3D(ptr, pitchoffset, angle, distance,
                          priority, callbackval);
    if (handle < MV_Ok)
    {
        FX_SetErrorCode(FX_MultiVocError);
        handle = FX_Warning;
    }

    return(handle);
}

int32_t FX_PlayOGG3D
(
    char *ptr,
    int32_t pitchoffset,
    int32_t angle,
    int32_t distance,
    int32_t priority,
    uint32_t callbackval
)

{
    int32_t handle;

    handle = MV_PlayOGG3D(ptr, pitchoffset, angle, distance,
                          priority, callbackval);
    if (handle < MV_Ok)
    {
        FX_SetErrorCode(FX_MultiVocError);
        handle = FX_Warning;
    }

    return(handle);
}

/*---------------------------------------------------------------------
   Function: FX_PlayWAV3D

   Begin playback of sound data at specified angle and distance
   from listener.
---------------------------------------------------------------------*/

int32_t FX_PlayWAV3D
(
    char *ptr,
    int32_t pitchoffset,
    int32_t angle,
    int32_t distance,
    int32_t priority,
    uint32_t callbackval
)

{
    int32_t handle;

    handle = MV_PlayWAV3D(ptr, pitchoffset, angle, distance,
                          priority, callbackval);
    if (handle < MV_Ok)
    {
        FX_SetErrorCode(FX_MultiVocError);
        handle = FX_Warning;
    }

    return(handle);
}


/*---------------------------------------------------------------------
   Function: FX_PlayRaw

   Begin playback of raw sound data with the given volume and priority.
---------------------------------------------------------------------*/

int32_t FX_PlayRaw
(
    char *ptr,
    uint32_t length,
    unsigned rate,
    int32_t pitchoffset,
    int32_t vol,
    int32_t left,
    int32_t right,
    int32_t priority,
    uint32_t callbackval
)

{
    int32_t handle;

    handle = MV_PlayRaw(ptr, length, rate, pitchoffset,
                        vol, left, right, priority, callbackval);
    if (handle < MV_Ok)
    {
        FX_SetErrorCode(FX_MultiVocError);
        handle = FX_Warning;
    }

    return(handle);
}


/*---------------------------------------------------------------------
   Function: FX_PlayLoopedRaw

   Begin playback of raw sound data with the given volume and priority.
---------------------------------------------------------------------*/

int32_t FX_PlayLoopedRaw
(
    char *ptr,
    uint32_t length,
    char *loopstart,
    char *loopend,
    unsigned rate,
    int32_t pitchoffset,
    int32_t vol,
    int32_t left,
    int32_t right,
    int32_t priority,
    uint32_t callbackval
)

{
    int32_t handle;

    handle = MV_PlayLoopedRaw(ptr, length, loopstart, loopend,
                              rate, pitchoffset, vol, left, right, priority, callbackval);
    if (handle < MV_Ok)
    {
        FX_SetErrorCode(FX_MultiVocError);
        handle = FX_Warning;
    }

    return(handle);
}


/*---------------------------------------------------------------------
   Function: FX_Pan3D

   Set the angle and distance from the listener of the voice associated
   with the specified handle.
---------------------------------------------------------------------*/

int32_t FX_Pan3D
(
    int32_t handle,
    int32_t angle,
    int32_t distance
)

{
    int32_t status;

    status = MV_Pan3D(handle, angle, distance);
    if (status != MV_Ok)
    {
        FX_SetErrorCode(FX_MultiVocError);
        status = FX_Warning;
    }

    return(status);
}


/*---------------------------------------------------------------------
   Function: FX_SoundActive

   Tests if the specified sound is currently playing.
---------------------------------------------------------------------*/

int32_t FX_SoundActive
(
    int32_t handle
)

{
    return(MV_VoicePlaying(handle));
}


/*---------------------------------------------------------------------
   Function: FX_SoundsPlaying

   Reports the number of voices playing.
---------------------------------------------------------------------*/

int32_t FX_SoundsPlaying
(
    void
)

{
    return(MV_VoicesPlaying());
}


/*---------------------------------------------------------------------
   Function: FX_StopSound

   Halts playback of a specific voice
---------------------------------------------------------------------*/

int32_t FX_StopSound
(
    int32_t handle
)

{
    int32_t status;

    status = MV_Kill(handle);
    if (status != MV_Ok)
    {
        FX_SetErrorCode(FX_MultiVocError);
        return(FX_Warning);
    }

    return(FX_Ok);
}


/*---------------------------------------------------------------------
   Function: FX_StopAllSounds

   Halts playback of all sounds.
---------------------------------------------------------------------*/

int32_t FX_StopAllSounds
(
    void
)

{
    int32_t status;

    status = MV_KillAllVoices();
    if (status != MV_Ok)
    {
        FX_SetErrorCode(FX_MultiVocError);
        return(FX_Warning);
    }

    return(FX_Ok);
}


/*---------------------------------------------------------------------
   Function: FX_StartDemandFeedPlayback

   Plays a digitized sound from a user controlled buffering system.
---------------------------------------------------------------------*/

int32_t FX_StartDemandFeedPlayback
(
    void(*function)(char **ptr, uint32_t *length),
    int32_t rate,
    int32_t pitchoffset,
    int32_t vol,
    int32_t left,
    int32_t right,
    int32_t priority,
    uint32_t callbackval
)

{
    int32_t handle;

    handle = MV_StartDemandFeedPlayback(function, rate,
                                        pitchoffset, vol, left, right, priority, callbackval);
    if (handle < MV_Ok)
    {
        FX_SetErrorCode(FX_MultiVocError);
        handle = FX_Warning;
    }

    return(handle);
}

#if 0
/*---------------------------------------------------------------------
   Function: FX_StartRecording

   Starts the sound recording engine.
---------------------------------------------------------------------*/

int32_t FX_StartRecording
(
    int32_t MixRate,
    void(*function)(char *ptr, int32_t length)
)

{
    int32_t status;

    switch (FX_SoundDevice)
    {
    case SoundBlaster :
        status = MV_StartRecording(MixRate, function);
        if (status != MV_Ok)
        {
            FX_SetErrorCode(FX_MultiVocError);
            status = FX_Warning;
        }
        else
        {
            status = FX_Ok;
        }
        break;

    default :
        FX_SetErrorCode(FX_InvalidCard);
        status = FX_Warning;
        break;
    }

    return(status);
}
#endif

#if 0
/*---------------------------------------------------------------------
   Function: FX_StopRecord

   Stops the sound record engine.
---------------------------------------------------------------------*/

void FX_StopRecord
(
    void
)

{
    // Stop sound playback
    switch (FX_SoundDevice)
    {
    case SoundBlaster :
        MV_StopRecord();
        break;
    }
}
#endif

extern void MUSIC_Update(void);
void AudioUpdate(void) { MUSIC_Update(); }