PxTypeInfo.h

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#ifndef PX_PHYSICS_COMMON_PX_TYPEINFO
#define PX_PHYSICS_COMMON_PX_TYPEINFO

#include "common/PxPhysXCommonConfig.h"

#if !PX_DOXYGEN
namespace physx
{
#endif

struct PxConcreteType
{
    enum Enum
    {
        eUNDEFINED,

        eHEIGHTFIELD,
        eCONVEX_MESH,
        eTRIANGLE_MESH_BVH33,
        eTRIANGLE_MESH_BVH34,

        eRIGID_DYNAMIC,
        eRIGID_STATIC,
        eSHAPE,
        eMATERIAL,
        eCONSTRAINT,
        eAGGREGATE,
        eARTICULATION,
        eARTICULATION_REDUCED_COORDINATE,
        eARTICULATION_LINK,
        eARTICULATION_JOINT,
        eARTICULATION_JOINT_REDUCED_COORDINATE,
        ePRUNING_STRUCTURE,
        eBVH_STRUCTURE,
        
        ePHYSX_CORE_COUNT,
        eFIRST_PHYSX_EXTENSION = 256,
        eFIRST_VEHICLE_EXTENSION = 512,
        eFIRST_USER_EXTENSION = 1024
    };
};

template<typename T> struct PxTypeInfo {};

#define PX_DEFINE_TYPEINFO(_name, _fastType) \
    class _name; \
    template <> struct PxTypeInfo<_name>    {   static const char* name() { return #_name;  }   enum { eFastTypeId = _fastType };   };

/* the semantics of the fastType are as follows: an object A can be cast to a type B if B's fastType is defined, and A has the same fastType.
 * This implies that B has no concrete subclasses or superclasses.
 */

PX_DEFINE_TYPEINFO(PxBase,                                  PxConcreteType::eUNDEFINED)
PX_DEFINE_TYPEINFO(PxMaterial,                              PxConcreteType::eMATERIAL)
PX_DEFINE_TYPEINFO(PxConvexMesh,                            PxConcreteType::eCONVEX_MESH)
PX_DEFINE_TYPEINFO(PxTriangleMesh,                          PxConcreteType::eUNDEFINED)
PX_DEFINE_TYPEINFO(PxBVH33TriangleMesh,                     PxConcreteType::eTRIANGLE_MESH_BVH33)
PX_DEFINE_TYPEINFO(PxBVH34TriangleMesh,                     PxConcreteType::eTRIANGLE_MESH_BVH34)
PX_DEFINE_TYPEINFO(PxHeightField,                           PxConcreteType::eHEIGHTFIELD)
PX_DEFINE_TYPEINFO(PxActor,                                 PxConcreteType::eUNDEFINED)
PX_DEFINE_TYPEINFO(PxRigidActor,                            PxConcreteType::eUNDEFINED)
PX_DEFINE_TYPEINFO(PxRigidBody,                             PxConcreteType::eUNDEFINED)
PX_DEFINE_TYPEINFO(PxRigidDynamic,                          PxConcreteType::eRIGID_DYNAMIC)
PX_DEFINE_TYPEINFO(PxRigidStatic,                           PxConcreteType::eRIGID_STATIC)
PX_DEFINE_TYPEINFO(PxArticulationLink,                      PxConcreteType::eARTICULATION_LINK)
PX_DEFINE_TYPEINFO(PxArticulationJoint,                     PxConcreteType::eARTICULATION_JOINT)
PX_DEFINE_TYPEINFO(PxArticulationJointReducedCoordinate,    PxConcreteType::eARTICULATION_JOINT_REDUCED_COORDINATE)
PX_DEFINE_TYPEINFO(PxArticulation,                          PxConcreteType::eARTICULATION)
PX_DEFINE_TYPEINFO(PxArticulationReducedCoordinate,         PxConcreteType::eARTICULATION_REDUCED_COORDINATE)
PX_DEFINE_TYPEINFO(PxAggregate,                             PxConcreteType::eAGGREGATE)
PX_DEFINE_TYPEINFO(PxConstraint,                            PxConcreteType::eCONSTRAINT)
PX_DEFINE_TYPEINFO(PxShape,                                 PxConcreteType::eSHAPE)
PX_DEFINE_TYPEINFO(PxPruningStructure,                      PxConcreteType::ePRUNING_STRUCTURE)

#if !PX_DOXYGEN
} // namespace physx
#endif

#endif