hkpMotion.h

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#pragma once
 
#include "RE/H/hkBaseTypes.h"
#include "RE/H/hkMotionState.h"
#include "RE/H/hkReferencedObject.h"
#include "RE/H/hkVector4.h"
 
namespace RE
{
    class hkMatrix3;
    class hkQuaternion;
    class hkTransform;
    class hkpMaxSizeMotion;
 
    class hkpMotion : public hkReferencedObject
    {
    public:
        inline static constexpr auto RTTI = RTTI_hkpMotion;
        inline static constexpr auto VTABLE = VTABLE_hkpMotion;
 
        enum
        {
            kNumInactiveFramesToDeactivate = 5
        };
 
        enum class MotionType
        {
            kInvalid,
            kDynamic,
            kSphereInertia,
            kBoxInertia,
            kKeyframed,
            kFixed,
            kThinBoxInertia,
            kCharacter,
 
            kTotal
        };
 
        ~hkpMotion() override;  // 00
 
        // add
        virtual void SetMass(float a_mass);                                                                                                               // 03 - { SetMassInv(a_mass); }
        virtual void SetMassInv(float a_massInv);                                                                                                         // 04 - { inertiaAndMassInv.quad.m128_f32[3] = a_massInv; }
        virtual void GetInertiaLocal(hkMatrix3& a_inertiaOut) const = 0;                                                                                  // 05
        virtual void GetInertiaWorld(hkMatrix3& a_inertiaOut) const = 0;                                                                                  // 06
        virtual void SetInertiaLocal(const hkMatrix3& a_inertia) = 0;                                                                                     // 07
        virtual void SetInertiaInvLocal(const hkMatrix3& a_inertiaInv) = 0;                                                                               // 08
        virtual void GetInertiaInvLocal(hkMatrix3& a_inertiaInvOut) const = 0;                                                                            // 09
        virtual void GetInertiaInvWorld(hkMatrix3& a_inertiaInvOut) const = 0;                                                                            // 0A
        virtual void SetCenterOfMassInLocal(const hkVector4& a_centerOfMass);                                                                             // 0B
        virtual void SetPosition(const hkVector4& a_position);                                                                                            // 0C
        virtual void SetRotation(const hkQuaternion& a_rotation);                                                                                         // 0D
        virtual void SetPositionAndRotation(const hkVector4& a_position, const hkQuaternion& a_rotation);                                                 // 0E
        virtual void SetTransform(const hkTransform& a_transform);                                                                                        // 0F
        virtual void SetLinearVelocity(const hkVector4& a_newVel);                                                                                        // 10 - { linearVelocity = a_newVel; }
        virtual void SetAngularVelocity(const hkVector4& a_newVel);                                                                                       // 11 - { angularVelocity = a_newVel; }
        virtual void GetProjectedPointVelocity(const hkVector4& a_point, const hkVector4& a_normal, float& a_velOut, float& a_invVirtMassOut) const = 0;  // 12
        virtual void ApplyLinearImpulse(const hkVector4& a_impulse);                                                                                      // 13
        virtual void ApplyPointImpulse(const hkVector4& a_impulse, const hkVector4& a_point) = 0;                                                         // 14
        virtual void ApplyAngularImpulse(const hkVector4& a_impulse) = 0;                                                                                 // 15
        virtual void ApplyForce(const float a_deltaTime, const hkVector4& a_force) = 0;                                                                   // 16
        virtual void ApplyForce(const float a_deltaTime, const hkVector4& a_force, const hkVector4& a_point) = 0;                                         // 17
        virtual void ApplyTorque(const float a_deltaTime, const hkVector4& a_torque) = 0;                                                                 // 18
        virtual void GetMotionStateAndVelocitiesAndDeactivationType(hkpMotion* a_motionOut);                                                              // 19
 
        float GetMass()
        {
            float mass = reinterpret_cast<float*>(&inertiaAndMassInv.quad)[3];
            if (mass != 0.0f) {
                return 1.0f / mass;
            }
            return 0.0f;
        }
 
        // members
        stl::enumeration<MotionType, std::uint8_t> type;                              // 010
        std::uint8_t                               deactivationIntegrateCounter;      // 011
        std::uint16_t                              deactivationNumInactiveFrames[2];  // 012
        std::uint16_t                              pad016;                            // 016
        std::uint64_t                              pad018;                            // 018
        hkMotionState                              motionState;                       // 020
        hkVector4                                  inertiaAndMassInv;                 // 0D0
        hkVector4                                  linearVelocity;                    // 0E0
        hkVector4                                  angularVelocity;                   // 0F0
        hkVector4                                  deactivationRefPosition[2];        // 100
        std::uint32_t                              deactivationRefOrientation[2];     // 120
        hkpMaxSizeMotion*                          savedMotion;                       // 128
        std::uint16_t                              savedQualityTypeIndex;             // 130
        std::uint16_t                              pad132;                            // 132
        hkHalf                                     gravityFactor;                     // 134
        std::uint64_t                              pad138;                            // 138
    };
    static_assert(sizeof(hkpMotion) == 0x140);
}