C++ (Cpp) ds_using_a3d Beispiele

Beispiel #1

Datei: ds3d.cpp Projekt: lubomyr/freespace2

// ---------------------------------------------------------------------------------------
// ds3d_update_listener()
//
//	returns:		0		=>		success
//					-1		=>		failure
//
int ds3d_update_listener(vector *pos, vector *vel, matrix *orient)
{
	HRESULT			hr;

	if (DS3D_inited == FALSE)
		return 0;

	if ( pDS3D_listener == NULL )
		return -1;
	
	// set the listener position
	if ( pos != NULL ) {
		hr = pDS3D_listener->SetPosition(pos->x, pos->y, pos->z, DS3D_DEFERRED); 
	}

	// set the listener veclocity
	if ( vel != NULL ) {
		hr = pDS3D_listener->SetVelocity(vel->x, vel->y, vel->z, DS3D_DEFERRED); 
	}

	if ( orient != NULL ) {
		hr = pDS3D_listener->SetOrientation(	orient->fvec.x, orient->fvec.y, orient->fvec.z,
															orient->uvec.x, orient->uvec.y, orient->uvec.z,
															DS3D_DEFERRED );
	}

	float rolloff_factor = 1.0f;
	if (ds_using_a3d() == true) {
		rolloff_factor = 3.0f;		// A3D rolloff
	} else {
		rolloff_factor = 3.0f;		// EAX rolloff
	}

	hr = pDS3D_listener->SetRolloffFactor( rolloff_factor, DS3D_DEFERRED );
	hr = pDS3D_listener->SetDopplerFactor( 1.0f, DS3D_DEFERRED );
	
	hr = pDS3D_listener->CommitDeferredSettings();
	if ( hr != DS_OK ) {
		nprintf(("SOUND","Error in pDS3D_listener->CommitDeferredSettings(): %s\n", get_DSERR_text(hr) ));
		return -1;
	}

	return 0;
}

Beispiel #2

// ---------------------------------------------------------------------------------------
// ds3d_update_listener()
//
//	returns:		0		=>		success
//					-1		=>		failure
//
int ds3d_update_listener(vec3d* pos, vec3d* vel, matrix* orient)
{
	if (DS3D_inited == FALSE)
		return 0;

#ifdef USE_OPENAL
	// set the listener position
	if ( pos != NULL ) {
		OpenAL_ErrorPrint( alListener3f(AL_POSITION, pos->xyz.x, pos->xyz.y, pos->xyz.z) );
	}

	// set the listener velocity
	if ( vel != NULL ) {
		OpenAL_ErrorPrint( alListener3f(AL_VELOCITY, vel->xyz.x, vel->xyz.y, vel->xyz.z) );
	}

	// set the listener orientation
	if ( orient != NULL ) {
		// uvec is up/top vector, fvec is at/front vector
		ALfloat list_orien[] = { orient->vec.fvec.xyz.x, orient->vec.fvec.xyz.y, orient->vec.fvec.xyz.z,
									orient->vec.uvec.xyz.x, orient->vec.uvec.xyz.y, orient->vec.uvec.xyz.z };
		OpenAL_ErrorPrint( alListenerfv(AL_ORIENTATION, list_orien) );
	}

#else

	HRESULT hr;

	if (pDS3D_listener == NULL)
		return -1;

	// set the listener position
	if (pos != NULL)
	{
		hr = pDS3D_listener->SetPosition(pos->xyz.x, pos->xyz.y, pos->xyz.z, DS3D_DEFERRED);
	}

	// set the listener veclocity
	if (vel != NULL)
	{
		hr = pDS3D_listener->SetVelocity(vel->xyz.x, vel->xyz.y, vel->xyz.z, DS3D_DEFERRED);
	}

	if (orient != NULL)
	{
		hr = pDS3D_listener->SetOrientation(orient->vec.fvec.xyz.x, orient->vec.fvec.xyz.y, orient->vec.fvec.xyz.z,
			orient->vec.uvec.xyz.x, orient->vec.uvec.xyz.y, orient->vec.uvec.xyz.z,
			DS3D_DEFERRED);
	}

	float rolloff_factor = 1.0f;
	if (ds_using_a3d() == true)
	{
		rolloff_factor = 3.0f;		// A3D rolloff
	}
	else
	{
		rolloff_factor = 3.0f;		// EAX rolloff
	}

	hr = pDS3D_listener->SetRolloffFactor(rolloff_factor, DS3D_DEFERRED);
	hr = pDS3D_listener->SetDopplerFactor(1.0f, DS3D_DEFERRED);

	hr = pDS3D_listener->CommitDeferredSettings();
	if (hr != DS_OK)
	{
		nprintf(("SOUND", "Error in pDS3D_listener->CommitDeferredSettings(): %s\n", get_DSERR_text(hr)));
		return -1;
	}
#endif

	return 0;
}