int32_t MV_Pan3D(int32_t handle, int32_t angle, int32_t distance)
{
if (distance < 0)
{
distance = -distance;
angle += MV_NUMPANPOSITIONS / 2;
}
int const volume = MIX_VOLUME(distance);
angle &= MV_MAXPANPOSITION;
return MV_SetPan(handle, max(0, 255 - distance),
MV_PanTable[ angle ][ volume ].left,
MV_PanTable[ angle ][ volume ].right);
}
int MV_PlayVorbis3D
(
char *ptr,
unsigned int ptrlength,
int pitchoffset,
int angle,
int distance,
int priority,
unsigned int callbackval
)
{
int left;
int right;
int mid;
int volume;
int status;
if ( !MV_Installed )
{
MV_SetErrorCode( MV_NotInstalled );
return( MV_Error );
}
if ( distance < 0 )
{
distance = -distance;
angle += MV_NumPanPositions / 2;
}
volume = MIX_VOLUME( distance );
// Ensure angle is within 0 - 31
angle &= MV_MaxPanPosition;
left = MV_PanTable[ angle ][ volume ].left;
right = MV_PanTable[ angle ][ volume ].right;
mid = max( 0, 255 - distance );
status = MV_PlayVorbis( ptr, ptrlength, pitchoffset, mid, left, right, priority,
callbackval );
return( status );
}
int32_t MV_PlayFLAC3D
(
char *ptr,
uint32_t ptrlength,
int32_t loophow,
int32_t pitchoffset,
int32_t angle,
int32_t distance,
int32_t priority,
uint32_t callbackval
)
{
int32_t left;
int32_t right;
int32_t mid;
int32_t volume;
int32_t status;
if ( !MV_Installed )
{
MV_SetErrorCode( MV_NotInstalled );
return MV_Error;
}
if ( distance < 0 )
{
distance = -distance;
angle += MV_NUMPANPOSITIONS / 2;
}
volume = MIX_VOLUME( distance );
// Ensure angle is within 0 - 127
angle &= MV_MAXPANPOSITION;
left = MV_PanTable[ angle ][ volume ].left;
right = MV_PanTable[ angle ][ volume ].right;
mid = max( 0, 255 - distance );
status = MV_PlayFLAC(ptr, ptrlength, pitchoffset, loophow, -1, mid, left, right, priority, callbackval);
return status;
}
void MV_SetReverb(int32_t reverb)
{
MV_ReverbLevel = MIX_VOLUME(reverb);
MV_ReverbTable = &MV_VolumeTable[MV_ReverbLevel][0];
}
static inline const int16_t *MV_GetVolumeTable(int32_t vol) { return MV_VolumeTable[MIX_VOLUME(vol)]; }
