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sdk/common/NvBlastPxSharedHelpers.h

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#ifndef NVBLASTPXSHAREDTYPESHELPERS_H
#define NVBLASTPXSHAREDTYPESHELPERS_H

#include "NvCTypes.h"
#include <PxVec2.h>
#include <PxVec3.h>
#include <PxVec4.h>
#include <PxTransform.h>
#include <PxPlane.h>
#include <PxMat33.h>
#include <PxMat44.h>
#include <PxBounds3.h>

#define WCast(type, name) reinterpret_cast<type>(name)
#define RCast(type, name) reinterpret_cast<const type>(name)

#define CONVERT(BlastType, PxSharedType)                                                                                  \
    static inline PxSharedType& toPxShared(BlastType& v)                                                                     \
    {                                                                                                                  \
        return WCast(PxSharedType&, v);                                                                                   \
    }                                                                                                                  \
    static inline const PxSharedType& toPxShared(const BlastType& v)                                                         \
    {                                                                                                                  \
        return RCast(PxSharedType&, v);                                                                                   \
    }                                                                                                                  \
    static inline const BlastType& fromPxShared(const PxSharedType& v)                                                       \
    {                                                                                                                  \
        return RCast(BlastType&, v);                                                                                   \
    }                                                                                                                  \
    static inline BlastType& fromPxShared(PxSharedType& v)                                                                   \
    {                                                                                                                  \
        return WCast(BlastType&, v);                                                                                   \
    }                                                                                                                  \
    static inline PxSharedType* toPxShared(BlastType* v)                                                                     \
    {                                                                                                                  \
        return WCast(PxSharedType*, v);                                                                                   \
    }                                                                                                                  \
    static inline const PxSharedType* toPxShared(const BlastType* v)                                                         \
    {                                                                                                                  \
        return RCast(PxSharedType*, v);                                                                                   \
    }                                                                                                                  \
    static inline const BlastType* fromPxShared(const PxSharedType* v)                                                       \
    {                                                                                                                  \
        return RCast(BlastType*, v);                                                                                   \
    }                                                                                                                  \
    static inline BlastType* fromPxShared(PxSharedType* v)                                                                   \
    {                                                                                                                  \
        return WCast(BlastType*, v);                                                                                   \
    }


CONVERT(NvcVec2, physx::PxVec2)
CONVERT(NvcVec3, physx::PxVec3)
CONVERT(NvcVec4, physx::PxVec4)
CONVERT(NvcQuat, physx::PxQuat)
CONVERT(NvcTransform, physx::PxTransform)
CONVERT(NvcPlane, physx::PxPlane)
CONVERT(NvcMat33, physx::PxMat33)
CONVERT(NvcMat44, physx::PxMat44)
CONVERT(NvcBounds3, physx::PxBounds3)

NV_COMPILE_TIME_ASSERT(sizeof(NvcVec2) == sizeof(physx::PxVec2));
NV_COMPILE_TIME_ASSERT(NV_OFFSET_OF(NvcVec2, x) == NV_OFFSET_OF(physx::PxVec2, x));
NV_COMPILE_TIME_ASSERT(NV_OFFSET_OF(NvcVec2, y) == NV_OFFSET_OF(physx::PxVec2, y));

NV_COMPILE_TIME_ASSERT(sizeof(NvcVec3) == sizeof(physx::PxVec3));
NV_COMPILE_TIME_ASSERT(NV_OFFSET_OF(NvcVec3, x) == NV_OFFSET_OF(physx::PxVec3, x));
NV_COMPILE_TIME_ASSERT(NV_OFFSET_OF(NvcVec3, y) == NV_OFFSET_OF(physx::PxVec3, y));
NV_COMPILE_TIME_ASSERT(NV_OFFSET_OF(NvcVec3, z) == NV_OFFSET_OF(physx::PxVec3, z));

NV_COMPILE_TIME_ASSERT(sizeof(NvcVec4) == sizeof(physx::PxVec4));
NV_COMPILE_TIME_ASSERT(NV_OFFSET_OF(NvcVec4, x) == NV_OFFSET_OF(physx::PxVec4, x));
NV_COMPILE_TIME_ASSERT(NV_OFFSET_OF(NvcVec4, y) == NV_OFFSET_OF(physx::PxVec4, y));
NV_COMPILE_TIME_ASSERT(NV_OFFSET_OF(NvcVec4, z) == NV_OFFSET_OF(physx::PxVec4, z));
NV_COMPILE_TIME_ASSERT(NV_OFFSET_OF(NvcVec4, w) == NV_OFFSET_OF(physx::PxVec4, w));

NV_COMPILE_TIME_ASSERT(sizeof(NvcQuat) == sizeof(physx::PxQuat));
NV_COMPILE_TIME_ASSERT(NV_OFFSET_OF(NvcQuat, x) == NV_OFFSET_OF(physx::PxQuat, x));
NV_COMPILE_TIME_ASSERT(NV_OFFSET_OF(NvcQuat, y) == NV_OFFSET_OF(physx::PxQuat, y));
NV_COMPILE_TIME_ASSERT(NV_OFFSET_OF(NvcQuat, z) == NV_OFFSET_OF(physx::PxQuat, z));
NV_COMPILE_TIME_ASSERT(NV_OFFSET_OF(NvcQuat, w) == NV_OFFSET_OF(physx::PxQuat, w));

NV_COMPILE_TIME_ASSERT(sizeof(NvcTransform) == sizeof(physx::PxTransform));
NV_COMPILE_TIME_ASSERT(NV_OFFSET_OF(NvcTransform, p) == NV_OFFSET_OF(physx::PxTransform, p));
NV_COMPILE_TIME_ASSERT(NV_OFFSET_OF(NvcTransform, q) == NV_OFFSET_OF(physx::PxTransform, q));

NV_COMPILE_TIME_ASSERT(sizeof(NvcPlane) == sizeof(physx::PxPlane));
NV_COMPILE_TIME_ASSERT(NV_OFFSET_OF(NvcPlane, n) == NV_OFFSET_OF(physx::PxPlane, n));
NV_COMPILE_TIME_ASSERT(NV_OFFSET_OF(NvcPlane, d) == NV_OFFSET_OF(physx::PxPlane, d));

NV_COMPILE_TIME_ASSERT(sizeof(NvcMat33) == sizeof(physx::PxMat33));
NV_COMPILE_TIME_ASSERT(NV_OFFSET_OF(NvcMat33, column0) == NV_OFFSET_OF(physx::PxMat33, column0));
NV_COMPILE_TIME_ASSERT(NV_OFFSET_OF(NvcMat33, column1) == NV_OFFSET_OF(physx::PxMat33, column1));
NV_COMPILE_TIME_ASSERT(NV_OFFSET_OF(NvcMat33, column2) == NV_OFFSET_OF(physx::PxMat33, column2));

NV_COMPILE_TIME_ASSERT(sizeof(NvcBounds3) == sizeof(physx::PxBounds3));
NV_COMPILE_TIME_ASSERT(NV_OFFSET_OF(NvcBounds3, minimum) == NV_OFFSET_OF(physx::PxBounds3, minimum));
NV_COMPILE_TIME_ASSERT(NV_OFFSET_OF(NvcBounds3, maximum) == NV_OFFSET_OF(physx::PxBounds3, maximum));

// Some basic operators
inline NvcVec2 operator+(const NvcVec2& v1, const NvcVec2& v2)
{
    return{ v1.x + v2.x, v1.y + v2.y };
}
inline NvcVec2 operator-(const NvcVec2& v1, const NvcVec2& v2)
{
    return{ v1.x - v2.x, v1.y - v2.y };
}
inline NvcVec2 operator+(const NvcVec2& v, float f)
{
    return{ v.x + f, v.y + f };
}
inline NvcVec2 operator+(float f, const NvcVec2& v)
{
    return{ v.x + f, v.y + f };
}
inline NvcVec2 operator*(const NvcVec2& v, float f)
{
    return{ v.x * f, v.y * f };
}
inline NvcVec2 operator*(float f, const NvcVec2& v)
{
    return{ v.x * f, v.y * f };
}
inline NvcVec2 operator/(const NvcVec2& v, float f)
{
    return{ v.x / f, v.y / f };
}
inline float dot(const NvcVec2& v1, const NvcVec2& v2)
{
    return v1.x * v2.x + v1.y * v2.y;
}
inline NvcVec2 neg(const NvcVec2& v)
{
    return{ -v.x, -v.y };
}

inline NvcVec3 operator+(const NvcVec3& v1, const NvcVec3& v2)
{
    return{ v1.x + v2.x, v1.y + v2.y, v1.z + v2.z };
}
inline NvcVec3 operator-(const NvcVec3& v1, const NvcVec3& v2)
{
    return{ v1.x - v2.x, v1.y - v2.y, v1.z - v2.z };
}
inline NvcVec3 operator*(const NvcVec3& v1, const NvcVec3& v2)
{
    return{ v1.x * v2.x, v1.y * v2.y, v1.z * v2.z };
}
inline NvcVec3 operator/(const NvcVec3& v1, const NvcVec3& v2)
{
    return{ v1.x / v2.x, v1.y / v2.y, v1.z / v2.z };
}
inline NvcVec3 operator+(const NvcVec3& v, float f)
{
    return{ v.x + f, v.y + f, v.z + f };
}
inline NvcVec3 operator+(float f, const NvcVec3& v)
{
    return{ v.x + f, v.y + f, v.z + f };
}
inline NvcVec3 operator*(const NvcVec3& v, float f)
{
    return{ v.x * f, v.y * f, v.z * f };
}
inline NvcVec3 operator*(float f, const NvcVec3& v)
{
    return{ v.x * f, v.y * f, v.z * f };
}
inline NvcVec3 operator/(const NvcVec3& v, float f)
{
    return{ v.x / f, v.y / f, v.z / f };
}
inline float dot(const NvcVec3& v1, const NvcVec3& v2)
{
    return v1.x * v2.x + v1.y * v2.y + v1.z * v2.z;
}
inline NvcVec3 neg(const NvcVec3& v)
{
    return{ -v.x, -v.y, -v.z };
}

#endif  // #ifndef NVBLASTPHYSXTYPESHELPERS_H

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