RBD/RBD_SharedAffectorList.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * Produced by:
 *      Jeff Lait
 *      Side Effects Software Inc
 *      123 Front Street West, Suite 1401
 *      Toronto, Ontario
 *      Canada   M5J 2M2
 *      416-504-9876
 *
 * NAME:        RBD_SharedAffectorList.h ( RBD Library, C++)
 *
 * COMMENTS:
 *      Provides a holder for shared lists of affectors.  These
 *      store the proxy RBD objects for the affectors and any
 *      spatial partitioning data that is useful.
 */

#ifndef __RBD_SharedAffectorList__
#define __RBD_SharedAffectorList__

#include "RBD_API.h"
#include <UT/UT_PtrArray.h>
#include <SIM/SIM_ColliderInfo.h>

class UT_TokenString;
class RBD_Object;
class RBD_ObjectTree;
class RBD_Solver;
class RBD_SharedAffectorList;

typedef UT_PtrArray<RBD_SharedAffectorList *> RBD_SharedAffectorListArray;

//
// RBD Shared affector list definition
//
class RBD_API RBD_SharedAffectorList
{
public:
    RBD_SharedAffectorList();
    ~RBD_SharedAffectorList();

    // These functions are used when accessing the list.
    int                  entries() const
                         { return myAffectors.entries(); }
    RBD_Object          *operator()(int i) const
                         { return myAffectors(i); }
    const SIM_Collider  *getCollider(int i, SIM_Object *obj)
                         { return myColliderInfoArray(i).getCollider(obj); }
    SIM_Collider::SIM_ImpactApplyType    getImpactApplyType(int i)
                         { return myColliderInfoArray(i).getImpactApplyType(); }

    // Gets the overlapping objects from our trees.
    void                 findOverlapIdx(const RBD_Solver *solver,
                                        RBD_Object *obj,
                                        UT_IntArray &overlap);
    // Dirties the object tree in case some of the solving objects have moved.
    void                 setObjectTreeDirty();

    // These functions are used when building the list.
    RBD_Object                  *&operator()(int i)
                                 { return myAffectors(i); }
    SIM_ColliderInfoArray       &getColliderInfoArray()
                                 { return myColliderInfoArray; }
    void                         resizeAffectors();

private:
    UT_PtrArray<RBD_Object *>    myAffectors;
    SIM_ColliderInfoArray        myColliderInfoArray;
    RBD_ObjectTree              *myMutualObjectTree;
    RBD_ObjectTree              *myOtherObjectTree;
};

#endif

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