OpenMW/apps/openmw/mwphysics/deepestnotmecontacttestresultcallback.hpp

#ifndef OPENMW_MWPHYSICS_DEEPESTNOTMECONTACTTESTRESULTCALLBACK_H
#define OPENMW_MWPHYSICS_DEEPESTNOTMECONTACTTESTRESULTCALLBACK_H

#include <vector>

#include <BulletCollision/CollisionDispatch/btCollisionWorld.h>

class btCollisionObject;

namespace MWPhysics
{
    class DeepestNotMeContactTestResultCallback : public btCollisionWorld::ContactResultCallback
    {
        const btCollisionObject* mMe;
        const std::vector<const btCollisionObject*> mTargets;

        // Store the real origin, since the shape's origin is its center
        btVector3 mOrigin;

    public:
        const btCollisionObject* mObject{ nullptr };
        btVector3 mContactPoint{ 0, 0, 0 };
        btVector3 mContactNormal{ 0, 0, 0 };
        btScalar mLeastDistSqr;

        DeepestNotMeContactTestResultCallback(
            const btCollisionObject* me, const std::vector<const btCollisionObject*>& targets, const btVector3& origin);

        btScalar addSingleResult(btManifoldPoint& cp, const btCollisionObjectWrapper* col0Wrap, int partId0, int index0,
            const btCollisionObjectWrapper* col1Wrap, int partId1, int index1) override;
    };
}

#endif