constraints/constraintposition/orconstraintposition_constraint.cxx

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 Autodesk(R) Open Reality(R) Samples
 
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//--- Class declarations
#include "orconstraintposition_constraint.h"

//--- Registration defines
#define ORCONSTRAINTPOSITION__CLASS     ORCONSTRAINTPOSITION__CLASSNAME
#define ORCONSTRAINTPOSITION__NAME      "Position from Position"
#define ORCONSTRAINTPOSITION__LABEL     "OR - Position from Position"
#define ORCONSTRAINTPOSITION__DESC      "OR - Position from Position Constraint"

//--- implementation and registration
FBConstraintImplementation  (   ORCONSTRAINTPOSITION__CLASS     );
FBRegisterConstraint        (   ORCONSTRAINTPOSITION__NAME,
                                ORCONSTRAINTPOSITION__CLASS,
                                ORCONSTRAINTPOSITION__LABEL,
                                ORCONSTRAINTPOSITION__DESC,
                                FB_DEFAULT_SDK_ICON             );  // Icon filename (default=Open Reality icon)

/************************************************
 *  Creation function.
 ************************************************/
bool ORConstraintPosition::FBCreate()
{
    // Create reference groups
    mGroupSource    = ReferenceGroupAdd( "Source Object",   1 );
    mGroupConstrain = ReferenceGroupAdd( "Constrain",       1 );

    mSourceTranslation      = NULL;
    mConstrainedTranslation = NULL;

    mFirstTime = true;

    return true;
}


/************************************************
 *  Destruction function.
 ************************************************/
void ORConstraintPosition::FBDestroy()
{
}


/************************************************
 *  Setup all of the animation nodes.
 ************************************************/
void ORConstraintPosition::SetupAllAnimationNodes()
{
    if (ReferenceGet( mGroupSource, 0 ) && ReferenceGet( mGroupConstrain, 0 ) )
    {
        mSourceTranslation      = AnimationNodeOutCreate( 0, ReferenceGet( mGroupSource,    0 ), ANIMATIONNODE_TYPE_TRANSLATION );
        mConstrainedTranslation = AnimationNodeInCreate ( 1, ReferenceGet( mGroupConstrain, 0 ), ANIMATIONNODE_TYPE_TRANSLATION );
    }
}


/************************************************
 *  Removed all of the animation nodes.
 ************************************************/
void ORConstraintPosition::RemoveAllAnimationNodes()
{
}


/************************************************
 *  FBX storage of constraint parameters.
 ************************************************/
bool ORConstraintPosition::FbxStore( FBFbxObject* pFbxObject, kFbxObjectStore pStoreWhat )
{
    return true;
}


/************************************************
 *  FBX retrieval of constraint parameters.
 ************************************************/
bool ORConstraintPosition::FbxRetrieve( FBFbxObject* pFbxObject, kFbxObjectStore pStoreWhat )
{
    return true;
}


/************************************************
 *  Suggest a freeze.
 ************************************************/
void ORConstraintPosition::FreezeSuggested()
{
    mFirstTime = true;
    FBConstraint::FreezeSuggested();

    if( ReferenceGet( 0,0 ) )
    {
        FreezeSRT( (FBModel*)ReferenceGet( 0, 0), true, true, true );
    }
}


/************************************************
 *  Real-Time Engine Evaluation
 ************************************************/
bool ORConstraintPosition::AnimationNodeNotify(FBAnimationNode* pConnector,FBEvaluateInfo* pEvaluateInfo,FBConstraintInfo* pConstraintInfo)
{
    double lPosition[3];

    if( mSourceTranslation && mConstrainedTranslation )
    {
        mSourceTranslation->ReadData        ( lPosition, pEvaluateInfo );
        mConstrainedTranslation->WriteData  ( lPosition, pEvaluateInfo );
    }
    mPosition = lPosition;

    return true;
}