Swap Weapon Nodes

void __stdcall SwapWeaponParent(TESObjectWEAP *weapon, char a2, NiNode *skeleton, char a4)
{
  char weaponType; // al@3
  int *nodeName; // eax@8
  int weaponNode; // eax@10
  NiNode *niNode1; // eax@11
  NiNode *nodeTmp2; // esi@11
  unsigned int i; // edi@12
  NiAVObject **nodeChildren; // edx@13
  void *v11; // ecx@16
  char *nodename; // esi@16
  int *skeletalNodes1; // eax@18
  int nodeNames; // eax@18
  NiNode *niNode2; // eax@19
  int object1; // eax@21
  int weaponType2; // eax@23
  int *skeletalNodes2; // eax@24
  int nodeNames2; // eax@24
  NiNode *niNode3; // eax@25
  int object2; // eax@27
  char *equippedWeaponNodeName1; // eax@30
  char *equippedWeaponNodeName2; // eax@31

  if ( weapon )
  {
    if ( skeleton )
    {
      weaponType = weapon->gameData.type;
      if ( weaponType == 7 || weaponType == 9 )
      {
        if ( !a2 )
        {
          if ( !a4 )
          {
            if ( weaponType == 9 )
              nodeName = GetSkeletalNodes() + 0x138;
            else
              nodeName = GetSkeletalNodes() + 0x58;
            weaponNode = GetNodeByNameT(skeleton, (int)nodeName);
            if ( weaponNode )
            {
              niNode1 = (NiNode *)(*(int (__thiscall **)(_DWORD))(*(_DWORD *)weaponNode + 0xC))(weaponNode);
              nodeTmp2 = niNode1;
              if ( niNode1 )
              {
                v11 = 0;
                i = 0;
                if ( niNode1->m_children.m_emptyRunStart > 0u )
                {
                  do
                  {
                    nodeChildren = nodeTmp2->m_children.m_data;
                    if ( nodeChildren[i] )
                    {
                      sub_68FCF0(g_garbageCollector, (int)nodeChildren[i]);
                      nodeTmp2->baseclass_0.baseclass_0.baseclass_0.baseclass_0.vfptr[28].__vecDelDtor(
                        (NiRefObject *)nodeTmp2,
                        i);
                    }
                    ++i;
                  }
                  while ( i < nodeTmp2->m_children.m_emptyRunStart );
                }
              }
            }
          }
        }
      }
      nodename = (char *)GetNodeNameForWeaponType(v11, weapon->gameData.type);
      if ( sub_A50DB0((const char **)nodename, 0) )
      {
        if ( a4 )
        {
          skeletalNodes1 = GetSkeletalNodes();
          nodeNames = GetNodeByName(skeleton, (int)(skeletalNodes1 + 0x6C), 1);
          if ( nodeNames )
          {
            niNode2 = (NiNode *)(*(int (__thiscall **)(_DWORD))(*(_DWORD *)nodeNames + 0xC))(nodeNames);
            if ( niNode2 )
            {
              if ( niNode2->m_children.m_emptyRunStart )
              {
                object1 = GetObjectAt((int)niNode2, 0);
                if ( object1 )
                  sub_42A5E0(object1, a2 == 0);
              }
            }
          }
        }
        else
        {
          LOBYTE(weaponType2) = weapon->gameData.type;
          if ( (_BYTE)weaponType2 == 8 )
          {
            skeletalNodes2 = GetSkeletalNodes();
            nodeNames2 = GetNodeByName(skeleton, (int)(skeletalNodes2 + 0x58), 1);
            if ( nodeNames2 )
            {
              niNode3 = (NiNode *)(*(int (__thiscall **)(_DWORD))(*(_DWORD *)nodeNames2 + 0xC))(nodeNames2);
              if ( niNode3 )
              {
                if ( niNode3->m_children.m_emptyRunStart )
                {
                  object2 = GetObjectAt((int)niNode3, 0);
                  if ( object2 )
                    sub_42A5E0(object2, a2 == 0);
                }
              }
            }
          }
          else
          {
            weaponType2 = (char)weaponType2;
            if ( a2 )
            {
              equippedWeaponNodeName1 = GetNodeNameWEAPON(weaponType2, 0);
              SwapNodeParent(skeleton, nodename, equippedWeaponNodeName1, 0);
            }
            else
            {
              equippedWeaponNodeName2 = GetNodeNameWEAPON(weaponType2, 0);
              SwapNodeParent(skeleton, equippedWeaponNodeName2, nodename, 0);
            }
          }
        }
      }
    }
  }
}