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Engine directory for ticket #1
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DavidWyand-GG
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337
Engine/source/sfx/fmod/sfxFMODEventSource.cpp
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337
Engine/source/sfx/fmod/sfxFMODEventSource.cpp
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//-----------------------------------------------------------------------------
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// Copyright (c) 2012 GarageGames, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#include "platform/platform.h"
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#include "sfx/fmod/sfxFMODEventSource.h"
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#include "sfx/fmod/sfxFMODEvent.h"
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#include "sfx/fmod/sfxFMODEventGroup.h"
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#include "sfx/fmod/sfxFMODDevice.h"
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#include "sfx/sfxDescription.h"
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IMPLEMENT_CONOBJECT( SFXFMODEventSource );
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ConsoleDocClass( SFXFMODEventSource,
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"@brief A sound source controller playing an %FMOD Designer event (SFXFMODEvent).\n\n"
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"%FMOD event sources are internally created by the sound system to play events from imported %FMOD Designer projects.\n\n"
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"@note This class cannot be instantiated directly by the user. Instead, instances of SFXFMODEventSource will be "
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"implicitly created by the sound system when playing an SFXFMODEvent.\n\n"
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"@ingroup SFXFMOD\n"
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);
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//-----------------------------------------------------------------------------
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SFXFMODEventSource::SFXFMODEventSource()
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: mHandle( NULL )
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{
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SFXFMODDevice::instance()->smStatNumEventSources ++;
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}
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//-----------------------------------------------------------------------------
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SFXFMODEventSource::SFXFMODEventSource( SFXFMODEvent* event )
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: Parent( event ),
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mHandle( NULL )
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{
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SFXFMODDevice::instance()->smStatNumEventSources ++;
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// Make sure the group has its data loaded.
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SFXFMODEventGroup* group = event->getEventGroup();
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if( !group->loadData() )
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return;
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// Create an event instance.
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if( SFXFMODDevice::smFunc->FMOD_EventGroup_GetEvent(
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event->getEventGroup()->mHandle,
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event->getEventName(),
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FMOD_EVENT_DEFAULT,
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&mHandle ) != FMOD_OK )
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{
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Con::errorf( "SFXFMODEventSource::SFXFMODEventSource - failed to open event '%s'", event->getQualifiedName().c_str() );
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mHandle = NULL;
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}
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}
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//-----------------------------------------------------------------------------
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SFXFMODEventSource::~SFXFMODEventSource()
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{
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SFXFMODDevice::instance()->smStatNumEventSources --;
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if( mHandle )
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SFXFMODDevice::smFunc->FMOD_Event_Release( mHandle, true, true );
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if( getEvent() )
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getEvent()->getEventGroup()->freeData();
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}
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//-----------------------------------------------------------------------------
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SFXFMODEventSource* SFXFMODEventSource::create( SFXFMODEvent* event )
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{
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AssertFatal( event != NULL, "SFXFMODEventSource::create - got a NULL event!" );
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// Create the source.
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SFXFMODEventSource* source = new SFXFMODEventSource( event );
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if( source->mHandle )
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source->registerObject();
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else
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{
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delete source;
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source = NULL;
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}
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return source;
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}
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//-----------------------------------------------------------------------------
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void SFXFMODEventSource::play( F32 fadeInTime )
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{
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if( getStatus() == SFXStatusPlaying )
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return;
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if( isPaused() )
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SFXFMODDevice::smFunc->FMOD_Event_SetPaused( mHandle, false );
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else
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{
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AssertFatal( getEvent()->getEventGroup()->isDataLoaded(), "SFXFMODEventSource::play() - event data for group not loaded" );
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if( fadeInTime != -1.f )
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{
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U32 fade = U32( fadeInTime * 1000.f );
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SFXFMODDevice::smFunc->FMOD_Event_SetPropertyByIndex(
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mHandle, FMOD_EVENTPROPERTY_FADEIN,
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&fade, true
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);
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}
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FMOD_RESULT result = SFXFMODDevice::smFunc->FMOD_Event_Start( mHandle );
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if( result != FMOD_OK )
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{
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Con::errorf( "SFXFMODEventSoure::play() - failed to start event: %s", FMODResultToString( result ).c_str() );
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return;
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}
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}
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mPlayTimer.start();
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_setStatus( SFXStatusPlaying );
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_play();
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}
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//-----------------------------------------------------------------------------
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void SFXFMODEventSource::stop( F32 fadeOutTime )
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{
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if( getStatus() == SFXStatusStopped )
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return;
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AssertFatal( mHandle, "SFXFMODEvent::stop() - event not acquired" );
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bool immediate = ( fadeOutTime == 0.f );
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FMOD_RESULT result = SFXFMODDevice::smFunc->FMOD_Event_Stop( mHandle, immediate );
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if( result != FMOD_OK )
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Con::errorf( "SFXFMODEventSource::stop() - failed to stop event: %s", FMODResultToString( result ).c_str() );
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mPlayTimer.stop();
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_setStatus( SFXStatusStopped );
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// Reset fade-in to default in case it got overwritten
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// in play().
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U32 fade = U32( mFadeInTime * 1000.f );
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SFXFMODDevice::smFunc->FMOD_Event_SetPropertyByIndex(
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mHandle, FMOD_EVENTPROPERTY_FADEIN,
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&fade, true
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);
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_stop();
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}
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//-----------------------------------------------------------------------------
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void SFXFMODEventSource::pause( F32 fadeOutTime )
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{
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if( getStatus() != SFXStatusPlaying )
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return;
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SFXFMODDevice::smFunc->FMOD_Event_SetPaused( mHandle, true );
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mPlayTimer.pause();
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_setStatus( SFXStatusPaused );
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_pause();
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}
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//-----------------------------------------------------------------------------
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void SFXFMODEventSource::setTransform( const MatrixF& transform )
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{
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Parent::setTransform( transform );
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_update3DAttributes();
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}
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//-----------------------------------------------------------------------------
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void SFXFMODEventSource::setVelocity( const VectorF& velocity )
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{
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Parent::setVelocity( velocity );
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_update3DAttributes();
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}
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//-----------------------------------------------------------------------------
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void SFXFMODEventSource::_update3DAttributes()
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{
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FMOD_VECTOR position;
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FMOD_VECTOR velocity;
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FMOD_VECTOR orientation;
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Point3F direction;
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getTransform().getColumn( 1, &direction );
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TorqueVectorToFMODVector( getTransform().getPosition(), position );
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TorqueVectorToFMODVector( getVelocity(), velocity );
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TorqueVectorToFMODVector( direction, orientation );
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SFXFMODDevice::smFunc->FMOD_Event_Set3DAttributes( mHandle, &position, &velocity, &orientation );
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}
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//-----------------------------------------------------------------------------
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void SFXFMODEventSource::_updateStatus()
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{
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if( mStatus == SFXStatusPlaying )
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{
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if( !getEvent() )
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_setStatus( SFXStatusStopped );
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else
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{
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FMOD_EVENT_STATE state;
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SFXFMODDevice::smFunc->FMOD_Event_GetState( mHandle, &state );
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if( !( state & FMOD_EVENT_STATE_PLAYING ) )
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_setStatus( SFXStatusStopped );
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}
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}
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}
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//-----------------------------------------------------------------------------
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void SFXFMODEventSource::_updateVolume( const MatrixF& listener )
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{
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F32 oldPreAttenuatedVolume = mPreAttenuatedVolume;
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Parent::_updateVolume( listener );
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if( oldPreAttenuatedVolume != mPreAttenuatedVolume )
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SFXFMODDevice::smFunc->FMOD_Event_SetVolume( mHandle, mPreAttenuatedVolume );
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}
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//-----------------------------------------------------------------------------
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void SFXFMODEventSource::_updatePitch()
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{
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F32 oldEffectivePitch = mEffectivePitch;
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Parent::_updatePitch();
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if( mEffectivePitch != oldEffectivePitch )
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SFXFMODDevice::smFunc->FMOD_Event_SetPitch( mHandle, mEffectivePitch - 1.0f, FMOD_EVENT_PITCHUNITS_RAW );
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}
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//-----------------------------------------------------------------------------
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void SFXFMODEventSource::_updatePriority()
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{
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//TODO
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Parent::_updatePriority();
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}
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//-----------------------------------------------------------------------------
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void SFXFMODEventSource::_setMinMaxDistance( F32 min, F32 max )
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{
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Parent::_setMinMaxDistance( min, max );
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_update3DAttributes();
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}
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//-----------------------------------------------------------------------------
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void SFXFMODEventSource::_setFadeTimes( F32 fadeInTime, F32 fadeOutTime )
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{
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Parent::_setFadeTimes( fadeInTime, fadeOutTime );
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U32 fadeIn = U32( mFadeInTime * 1000.f );
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SFXFMODDevice::smFunc->FMOD_Event_SetPropertyByIndex(
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mHandle, FMOD_EVENTPROPERTY_FADEIN,
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&fadeIn, true
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);
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U32 fadeOut = U32( mFadeOutTime * 1000.f );
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SFXFMODDevice::smFunc->FMOD_Event_SetPropertyByIndex(
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mHandle, FMOD_EVENTPROPERTY_FADEOUT,
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&fadeOut, true
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);
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}
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//-----------------------------------------------------------------------------
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void SFXFMODEventSource::_setCone( F32 innerAngle, F32 outerAngle, F32 outerVolume )
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{
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Parent::_setCone( innerAngle, outerAngle, outerVolume );
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_update3DAttributes();
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}
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//-----------------------------------------------------------------------------
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void SFXFMODEventSource::_onParameterEvent( SFXParameter* parameter, SFXParameterEvent event )
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{
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Parent::_onParameterEvent( parameter, event );
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// If it's a value-change on a custom parameter,
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// pass it along to FMOD.
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if( getEvent()
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&& event == SFXParameterEvent_ValueChanged
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&& parameter->getChannel() == SFXChannelUser0 )
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{
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const char* name = parameter->getInternalName();
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FMOD_EVENTPARAMETER* fmodParameter;
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if( SFXFMODDevice::smFunc->FMOD_Event_GetParameter( mHandle, name, &fmodParameter ) != FMOD_OK )
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{
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Con::errorf( "SFXFMODEventSource::_onParameterEvent - could not access parameter '%s' of event '%s'",
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name, getEvent()->getQualifiedName().c_str() );
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return;
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}
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SFXFMODDevice::smFunc->FMOD_EventParameter_SetValue( fmodParameter, parameter->getValue() );
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}
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}
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