h1z1 IsPointVisible

physx::PxPhysics* GetPhysX() {
    HMODULE hModule = GetModuleHandleA("PhysX3CHECKED_x64.dll");

    if (!hModule) {
        return nullptr;
    }

    typedef physx::PxPhysics* (__cdecl* GetPhysicsFn)();

    GetPhysicsFn GetPhysics = (GetPhysicsFn)GetProcAddress(hModule, "PxGetPhysics");

    if (!GetPhysics) {
        return nullptr;
    }

    return GetPhysics();
}

physx::PxScene* g_pPxScene = nullptr;

void UpdatePhysX() {
    physx::PxPhysics* pPhysX = GetPhysX();

    if (!pPhysX) {
        return;
    }

    pPhysX->getScenes(&g_pPxScene, 1);
}

bool IsPointVisible(const Vector3& vStart, const Vector3& vEnd) {
    if (!g_pPxScene) {
        return false;
    }

    physx::PxVec3 pStart = *(physx::PxVec3*)&vStart;
    physx::PxVec3 pEnd = *(physx::PxVec3*)&vEnd;

    physx::PxVec3 pDirection = pEnd - pStart;

    physx::PxReal pLength = pDirection.magnitude();

    pDirection.normalize();

    physx::PxSceneQueryHit pHit;

    if (g_pPxScene->raycastAny(pStart, pDirection, pLength, pHit, physx::PxSceneQueryFilterData(physx::PxSceneQueryFilterFlag::eSTATIC))) {
        return false;
    }

    return true;
}