int MusSetFxType(int fxtype);
It sets the global audio library FX type.
This function passes the FX change command to the player via the FIFO buffer. If there is no space free in the FIFO buffer this command will be ignored. The FIFO buffer is emptied every time the player processes sound data.
The fxtype argument sets the audio library FX type from one of the following.
AL_FX_NONE AL_FX_SMALLROOM AL_FX_BIGROOM (default value) AL_FX_CHORUS AL_FX_FLANGE AL_FX_ECHO
Zero (0) if the FIFO command has been ignored, otherwise a none zero value.
void SetFxType(int fxtype)
{
static int last_fxtype;
if (fxtype==last_fxtype)
return;
last_fxtype = fxtype;
while (MusSetFxType(fxtype)==0);
}
void InitCavernLevel(void)
{
...
SetFxType(AL_FX_ECHO);
...
}