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Diffstat (limited to 'tools/statepropbuilder/src/stateprop.cpp')
| -rw-r--r-- | tools/statepropbuilder/src/stateprop.cpp | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/tools/statepropbuilder/src/stateprop.cpp b/tools/statepropbuilder/src/stateprop.cpp new file mode 100644 index 0000000..fed8204 --- /dev/null +++ b/tools/statepropbuilder/src/stateprop.cpp @@ -0,0 +1,299 @@ +#include <p3d/utility.hpp> +#include <p3d/anim/multicontroller.hpp> +#include <p3d/anim/compositedrawable.hpp> +#include <p3d/anim/animatedobject.hpp> +#include <p3d/anim/animate.hpp> + +#include "stateprop/stateprop.hpp" +#include "stateprop/statepropdata.hpp" + +CStateProp* CStateProp::CreateStateProp( CStatePropData* statePropData , unsigned int state ) +{ + tAnimatedObjectFactory* objectFactory = statePropData->GetAnimatedObjectFactory(); + + P3DASSERT( objectFactory ); + + if ( objectFactory ) + { + tAnimatedObject* animatedObject = objectFactory->CreateObject(NULL); + CStateProp* stateProp = new CStateProp( animatedObject , statePropData , state ); + stateProp->SetName( statePropData->GetName() ); + return stateProp; + } + + return NULL; +} + +CStateProp::CStateProp( tAnimatedObject* animatedObject , CStatePropData* statePropData , unsigned int state ) : + m_StatePropData( NULL ), + m_AnimatedObject( NULL ), + m_BaseFrameController( NULL ), + m_CurrentState( state ), + m_NumStatePropListeners( 0 ) +{ + //set state data + P3DASSERT( statePropData ); + m_StatePropData = statePropData; + m_StatePropData->AddRef(); + + //set animated object + P3DASSERT( animatedObject ); + m_AnimatedObject = animatedObject; + m_AnimatedObject->AddRef(); + + //base frame controller is run in milliseconds (ie the 1 is the timer) + m_BaseFrameController = new tMultiController(0 , 1000.f); + m_BaseFrameController->AddRef(); + m_BaseFrameController->Reset(); + + //initialize the state + SetState( state ); +} + +CStateProp::~CStateProp() +{ + if ( m_BaseFrameController ) + m_BaseFrameController->Release(); + if ( m_StatePropData ) + m_StatePropData->Release(); + if ( m_AnimatedObject ) + m_AnimatedObject->Release(); +} + +void CStateProp::Update( float dt ) +{ + unsigned int i; + + float lastFrame = m_BaseFrameController->GetFrame(); + m_BaseFrameController->Advance( dt ); + float newFrame = m_BaseFrameController->GetFrame(); + + //Check out transition + TransitionData tansdata = m_StatePropData->GetTransitionData( m_CurrentState ); + if ( tansdata.autoTransition ) + { + if (tansdata.onFrame >= lastFrame && tansdata.onFrame < newFrame) + { + SetState( tansdata.toState ); + } + } + + //Check callback events + if ( m_NumStatePropListeners > 0 ) + { + for ( i = 0; i < m_StatePropData->GetNumberOfCallbacks( m_CurrentState ); i++ ) + { + CallbackData callbackData = m_StatePropData->GetCallbackData( m_CurrentState , i ); + if ( callbackData.onFrame >= lastFrame && callbackData.onFrame < newFrame) + { + unsigned int i; + for ( i = 0; i < m_NumStatePropListeners; i++ ) + { + m_StatePropListener[i]->RecieveEvent( callbackData.callbackID , this ); + } + } + } + } + + //update frame controllers + unsigned int numFrameControllers = GetNumberOfFrameControllers(); + for ( i = 0; i < numFrameControllers; i++ ) + { + FrameControllerData fcData = m_StatePropData->GetFrameControllerData( m_CurrentState , i ); + + //if we need to update + if ( fcData.minFrame != fcData.maxFrame ) + { + tFrameController* fc = GetFrameControllerByIndex( i ); + + //if the min frame is greater than the max frame then reverse the update + if ( fcData.minFrame > fcData.maxFrame ) + { + fc->Advance( -dt , false ); + } + else + { + fc->Advance( dt , false ); + } + + if ( fcData.isCyclic && fcData.numberOfCycles > 0 ) + { + unsigned int currentNumberOfCycles = fc->LastFrameReached(); + if ( currentNumberOfCycles >= fcData.numberOfCycles ) + { + fc->SetCycleMode( FORCE_NON_CYCLIC ); + fc->SetFrame( fcData.maxFrame ); + } + } + } + } +} + +void CStateProp::UpdateFrameControllersForRender() +{ + unsigned int numFrameControllers = GetNumberOfFrameControllers(); + for ( unsigned int i = 0; i < numFrameControllers; i++ ) + { + GetFrameControllerByIndex( i )->Advance( 0.f , true ); + } +} + +unsigned int CStateProp::GetState() +{ + return m_CurrentState; +} + +void CStateProp::NextState() +{ + if ( m_CurrentState + 1 >= m_StatePropData->GetNumberOfStates() ) + { + SetState( 0 ); + } + else + { + SetState( m_CurrentState + 1 ); + } +} + +void CStateProp::PrevState() +{ + if ( m_CurrentState - 1 < 0 ) + { + SetState( m_StatePropData->GetNumberOfStates() - 1 ); + } + else + { + SetState( m_CurrentState - 1 ); + } +} + +void CStateProp::SetState( unsigned int state ) +{ + if ( state < m_StatePropData->GetNumberOfStates() && state >= 0 ) + { + m_CurrentState = state; + } + + m_BaseFrameController->SetFrame(0.f); + + unsigned int i; + + //reset the FC for new state + unsigned int numFrameControllers = GetNumberOfFrameControllers(); + for ( i = 0; i < numFrameControllers; i++ ) + { + FrameControllerData frameControllerData = m_StatePropData->GetFrameControllerData( m_CurrentState , i ); + tFrameController* fc = GetFrameControllerByIndex(i); + + //if we are holding a frame over from last state dont reset + if ( !frameControllerData.holdFrame ) + { + //Reset() MUST come first or it will trounce frame ranges etc... + fc->Reset(); + } + fc->SetRelativeSpeed( frameControllerData.relativeSpeed ); + fc->SetCycleMode( (frameControllerData.isCyclic == 1) ? FORCE_CYCLIC : FORCE_NON_CYCLIC ); + if ( frameControllerData.minFrame > frameControllerData.maxFrame ) + { + fc->SetFrameRange( frameControllerData.maxFrame , frameControllerData.minFrame ); + } + else + { + fc->SetFrameRange( frameControllerData.minFrame , frameControllerData.maxFrame ); + } + + if ( !frameControllerData.holdFrame ) + { + fc->SetFrame( frameControllerData.minFrame ); + } + } + + //Set visibility for new state + unsigned int numElements = m_AnimatedObject->GetBaseObject()->GetNumDrawableElement(); + for ( i = 0; i < numElements; i++ ) + { + tCompositeDrawable::DrawableElement* de = GetDrawableElement(i); + + de->SetLockVisibility(false); + VisibilityData visibilityData = m_StatePropData->GetVisibilityData( m_CurrentState , i ); + bool visible = visibilityData.isVisible == 1; + de->SetVisibility( visible ); + + //lock visibility if visiblility if false + de->SetLockVisibility(!visible); + } + + //notify listeners of a state change + for ( i = 0; i < m_NumStatePropListeners; i++ ) + { + m_StatePropListener[i]->RecieveEvent( STATEPROP_CHANGE_STATE_EVENT , this ); + } +} + +void CStateProp::OnEvent( unsigned int eventID ) +{ + unsigned int i; + unsigned int numEvents = m_StatePropData->GetNumberOfEvents( m_CurrentState ); + for ( i = 0; i < numEvents; i++ ) + { + EventData eventData = m_StatePropData->GetEventData( m_CurrentState , i ); + if ( eventData.eventID == eventID ) + { + SetState( eventData.toState ); + } + } +} + + +void CStateProp::AddStatePropListener( CStatePropListener* statePropListener ) +{ + if ( m_NumStatePropListeners < MAX_LISTENERS ) + { + m_StatePropListener[m_NumStatePropListeners] = statePropListener; + m_NumStatePropListeners++; + } +} +void CStateProp::RemoveStatePropListener( CStatePropListener* statePropListener ) +{ + unsigned int i = 0; + //find this entry + for ( i = 0; i < m_NumStatePropListeners; i++ ) + { + if ( m_StatePropListener[i] == statePropListener ) + { + m_NumStatePropListeners--; + break; + } + } + + //copy other entries back over + for ( i; i < m_NumStatePropListeners; i++ ) + { + m_StatePropListener[i] = m_StatePropListener[i+1]; + } +} + +tDrawable* CStateProp::GetDrawable() +{ + return m_AnimatedObject->GetBaseObject(); +} + +unsigned int CStateProp::GetNumberOfFrameControllers() +{ + return m_AnimatedObject->GetCurrentAnimation()->GetNumFrameControllers(); +} + +tFrameController* CStateProp::GetFrameControllerByIndex( unsigned int i ) +{ + return m_AnimatedObject->GetCurrentAnimation()->GetFrameControllerByIndex(i); +} + +unsigned int CStateProp::GetNumberOfDrawableElements() +{ + return m_AnimatedObject->GetBaseObject()->GetNumDrawableElement(); +} + +tCompositeDrawable::DrawableElement* CStateProp::GetDrawableElement( unsigned int i ) +{ + return m_AnimatedObject->GetBaseObject()->GetDrawableElement( i ); +} |