COverlayMgr::UnloadOverlays

/* COverlayMgr::UnloadOverlays() */

void __thiscall COverlayMgr::UnloadOverlays(COverlayMgr *this)

{
  ushort uVar1;
  ushort uVar2;
  int *piVar3;
  uint uVar4;
  uint uVar5;
  int iVar6;
  int iVar7;
  int local_2c;
  int local_28;
  
  uVar4 = (uint)*(ushort *)(this + 0x18);
  if (uVar4 != 0xffff) {
    iVar6 = *(int *)(this + 0xc);
    do {
      piVar3 = *(int **)(iVar6 + uVar4 * 0x30);
      (**(code **)(*piVar3 + 0x34))(piVar3);
      iVar6 = *(int *)(this + 0xc);
      uVar4 = (uint)*(ushort *)(iVar6 + 0x2e + uVar4 * 0x30);
    } while (uVar4 != 0xffff);
  }
  iVar6 = *(int *)(this + 0x34);
  local_2c = 0;
  local_28 = 0;
  if (0 < iVar6) {
    do {
      uVar4 = (uint)*(ushort *)(*(int *)(this + 0x28) + 8 + local_2c);
      if (uVar4 != 0xffff) {
        iVar7 = *(int *)(this + 0x58);
        do {
          uVar2 = *(ushort *)(iVar7 + uVar4 * 6);
          uVar5 = (uint)uVar2;
          if (((int)uVar5 < *(int *)(this + 0x40)) && (uVar2 <= *(ushort *)(this + 0x52))) {
            iVar7 = uVar5 * 0x2c + *(int *)(this + 0x3c);
            uVar1 = *(ushort *)(iVar7 + 0x28);
            if (uVar2 != uVar1) {
              if (uVar1 == 0xffff) {
                *(undefined2 *)(this + 0x48) = *(undefined2 *)(iVar7 + 0x2a);
              }
              else {
                *(undefined2 *)(*(int *)(this + 0x3c) + 0x2a + (uint)uVar1 * 0x2c) =
                     *(undefined2 *)(iVar7 + 0x2a);
              }
              if (*(ushort *)(iVar7 + 0x2a) == 0xffff) {
                *(undefined2 *)(this + 0x4a) = *(undefined2 *)(iVar7 + 0x28);
              }
              else {
                *(undefined2 *)
                 ((uint)*(ushort *)(iVar7 + 0x2a) * 0x2c + *(int *)(this + 0x3c) + 0x28) =
                     *(undefined2 *)(iVar7 + 0x28);
              }
              *(ushort *)(iVar7 + 0x2a) = uVar2;
              *(ushort *)(iVar7 + 0x28) = uVar2;
              *(short *)(this + 0x4e) = *(short *)(this + 0x4e) + -1;
              iVar7 = uVar5 * 0x2c + *(int *)(this + 0x3c);
            }
          }
          else {
            iVar7 = uVar5 * 0x2c + *(int *)(this + 0x3c);
          }
          *(undefined4 *)(iVar7 + 0x1c) = 0;
          CUtlMemory<overlayvert_t,int>::Purge((CUtlMemory<overlayvert_t,int> *)(iVar7 + 0x10));
          *(undefined4 *)(iVar7 + 0x20) = *(undefined4 *)(iVar7 + 0x10);
          CUtlMemory<overlayvert_t,int>::Purge((CUtlMemory<overlayvert_t,int> *)(iVar7 + 0x10));
          *(undefined2 *)(iVar7 + 0x2a) = *(undefined2 *)(this + 0x4c);
          iVar7 = *(int *)(this + 0x58);
          *(ushort *)(this + 0x4c) = uVar2;
          uVar4 = (uint)*(ushort *)(iVar7 + 4 + uVar4 * 6);
        } while (uVar4 != 0xffff);
      }
      local_28 = local_28 + 1;
      local_2c = local_2c + 0xa8;
    } while (local_28 != iVar6);
  }
  CUtlVector<moverlay_t,CUtlMemory<moverlay_t,int>>::RemoveAll
            ((CUtlVector<moverlay_t,CUtlMemory<moverlay_t,int>> *)(this + 0x28));
  CUtlMemory<moverlay_t,int>::Purge((CUtlMemory<moverlay_t,int> *)(this + 0x28));
  *(undefined4 *)(this + 0x38) = *(undefined4 *)(this + 0x28);
  CUtlLinkedList<moverlayfragment_t,unsigned_short,true,unsigned_short,CUtlMemory<UtlLinkedListElem_t<moverlayfragment_t,unsigned_short>,unsigned_short>>
  ::RemoveAll((CUtlLinkedList<moverlayfragment_t,unsigned_short,true,unsigned_short,CUtlMemory<UtlLinkedListElem_t<moverlayfragment_t,unsigned_short>,unsigned_short>>
               *)(this + 0x3c));
  CUtlMemory<UtlLinkedListElem_t<moverlayfragment_t,unsigned_short>,unsigned_short>::Purge
            ((CUtlMemory<UtlLinkedListElem_t<moverlayfragment_t,unsigned_short>,unsigned_short> *)
             (this + 0x3c));
  *(undefined2 *)(this + 0x4c) = 0xffff;
  *(undefined2 *)(this + 0x52) = 0xffff;
  *(undefined2 *)(this + 0x50) = 0;
  *(undefined4 *)(this + 0x54) = *(undefined4 *)(this + 0x3c);
  CUtlLinkedList<unsigned_short,unsigned_short,true,unsigned_short,CUtlMemory<UtlLinkedListElem_t<unsigned_short,unsigned_short>,unsigned_short>>
  ::RemoveAll((CUtlLinkedList<unsigned_short,unsigned_short,true,unsigned_short,CUtlMemory<UtlLinkedListElem_t<unsigned_short,unsigned_short>,unsigned_short>>
               *)(this + 0x58));
  CUtlMemory<UtlLinkedListElem_t<unsigned_short,unsigned_short>,unsigned_short>::Purge
            ((CUtlMemory<UtlLinkedListElem_t<unsigned_short,unsigned_short>,unsigned_short> *)
             (this + 0x58));
  *(undefined2 *)(this + 0x68) = 0xffff;
  *(undefined2 *)(this + 0x6c) = 0;
  *(undefined2 *)(this + 0x6e) = 0xffff;
  *(undefined4 *)(this + 0x70) = *(undefined4 *)(this + 0x58);
  CUtlLinkedList<COverlayMgr::RenderQueueHead_t,unsigned_short,false,unsigned_short,CUtlMemory<UtlLinkedListElem_t<COverlayMgr::RenderQueueHead_t,unsigned_short>,unsigned_short>>
  ::RemoveAll((CUtlLinkedList<COverlayMgr::RenderQueueHead_t,unsigned_short,false,unsigned_short,CUtlMemory<UtlLinkedListElem_t<COverlayMgr::RenderQueueHead_t,unsigned_short>,unsigned_short>>
               *)(this + 0xc));
  CUtlMemory<UtlLinkedListElem_t<COverlayMgr::RenderQueueHead_t,unsigned_short>,unsigned_short>::
  Purge((CUtlMemory<UtlLinkedListElem_t<COverlayMgr::RenderQueueHead_t,unsigned_short>,unsigned_short>
         *)(this + 0xc));
  *(undefined2 *)(this + 0x1c) = 0xffff;
  *(undefined2 *)(this + 0x20) = 0;
  *(undefined2 *)(this + 0x22) = 0xffff;
  *(undefined2 *)(this + 4) = 0xffff;
  *(undefined2 *)(this + 6) = 0xffff;
  *(undefined4 *)(this + 0x24) = *(undefined4 *)(this + 0xc);
  *(undefined2 *)(this + 8) = 0xffff;
  *(undefined2 *)(this + 10) = 0xffff;
  return;
}