NieR Collision function

__int64 __fastcall CCollisionDataObjectManager::sub_1401BB970(__int64 *a1, __int64 a2, __int64 a3, __int64 a4, _DWORD *a5)
{
  CCollisionDataObjectManager *v5; // rsi
  __int64 v6; // rbx
  signed __int64 v8; // rax
  unsigned int v9; // ecx
  __m128 v10; // xmm2
  CCollisionDataEntry *pEntries; // rbx
  CCollisionDataObject *pObject; // r10
  __int64 v13; // r10
  __int64 v14; // [rsp+20h] [rbp-A8h]
  __int64 v15; // [rsp+28h] [rbp-A0h]
  __int64 v16; // [rsp+30h] [rbp-98h]
  int v17; // [rsp+38h] [rbp-90h]
  unsigned int v18; // [rsp+3Ch] [rbp-8Ch]
  float a2a[4]; // [rsp+40h] [rbp-88h]
  __m128 v20; // [rsp+50h] [rbp-78h]
  __m128 v21; // [rsp+60h] [rbp-68h]
  __m128 v22; // [rsp+70h] [rbp-58h]

  v5 = (CCollisionDataObjectManager *)*a1;
  v6 = a2;
  if ( !*a1 )
    return 0i64;
  sub_1402679B0((__int64)&v21, (__m128 *)a3, (__m128 *)a4);
  v8 = v6 + 16;
  v9 = 0;
  v15 = v6;
  v14 = v6;
  v16 = v6 + 16;
  v18 = 0;
  v10 = _mm_max_ps(v21, v22);
  *(__m128 *)a2a = _mm_min_ps(v21, v22);
  *(_OWORD *)v6 = 0i64;
  *(_DWORD *)(v6 + 12) = 0x3F800000;
  *(_OWORD *)v8 = 0i64;
  *(_DWORD *)(v8 + 12) = 0x3F800000;
  *(_QWORD *)(v6 + 40) = 0i64;
  *(_DWORD *)(v6 + 56) = 0;
  *(_DWORD *)(v6 + 32) = 0x7F7FFFFF;
  *(_QWORD *)(v6 + 48) = 0i64;
  *(_DWORD *)(v6 + 64) = -1;
  pEntries = v5->m_Data.m_pEntries;
  v20 = v10;
  v17 = 0x7F7FFFFF;
  a2a[3] = 1.0;
  v20.m128_i32[3] = 0x3F800000;
  if ( pEntries )
  {
    do
    {
      pObject = pEntries->m_pObject;
      pEntries = pEntries->m_pNext;
      if ( pObject && !pObject->dword54 && pObject->dword58 && pObject->dword50 && *a5 != pObject->m_uScenePropIndex && pObject->dword38 & a5[1] && pObject->dword30 & a5[2] )
      {
        if ( (unsigned int)OBB::Contains(&pObject->m_vMax.x, a2a) )
          (*(void (__fastcall **)(__int64, __int64 *, _DWORD *, float *, __int64, __int64, __int64, _QWORD, _QWORD, _QWORD, unsigned __int64, unsigned __int64))(*(_QWORD *)v13// v13 = rdx
                                                                                                                                                               + 32i64))(
            v13,
            &v14,
            a5,
            a2a,
            v14,
            v15,
            v16,
            *(_QWORD *)&v17,
            *(_QWORD *)a2a,
            *(_QWORD *)&a2a[2],
            v20.m128_u64[0],
            v20.m128_u64[1]);
      }
    }
    while ( pEntries );
    v9 = v18;
  }
  return v9;
}