signed int __thiscall CTradeWnd__DropItemIntoTrade(void *this)
{
  void *v1; // edi@1
  signed int result; // eax@2
  signed int v3; // esi@6
  int v4; // edi@7
  int v5; // ecx@8
  signed int v6; // esi@15
  int v7; // edi@16
  char *v8; // eax@22
  void *v9; // [sp+8h] [bp-Ch]@1
  signed int v10; // [sp+Ch] [bp-8h]@1
  signed int v11; // [sp+10h] [bp-4h]@3

  v10 = -1;
  v1 = this;
  v9 = this;
  if ( *(_BYTE *)(dword_766640 + 308) )
  {
    v11 = 4;
  }
  else
  {
    result = CanDrop(*(_DWORD *)(dword_766660 + 5980), 1);
    if ( !result )
      return result;
    v11 = 8;
  }
  if ( Combine(*(_DWORD *)(dword_766660 + 5980)) )
  {
    v3 = 0;
    if ( v11 > 0 )
    {
      v4 = (int)((char *)v1 + 464);
      do
      {
        v5 = *(_DWORD *)(dword_766660 + 5980);
        if ( !v5 )
          break;
        if ( *(_DWORD *)v4 )
        {
          if ( *(_DWORD *)(v5 + 236) == *(_DWORD *)(*(_DWORD *)v4 + 236) )
          {
            if ( SwapCombine(dword_766660 + 5980, v4, 30, v3 + 3000) )
              v10 = v3;
          }
        }
        ++v3;
        v4 += 4;
      }
      while ( v3 < v11 );
    }
  }
  if ( *(_DWORD *)(dword_766660 + 5980) )
  {
    v6 = 0;
    if ( v11 > 0 )
    {
      v7 = (int)((char *)v9 + 464);
      do
      {
        if ( !*(_DWORD *)(dword_766660 + 5980) )
          break;
        if ( !*(_DWORD *)v7 )
        {
          CInvSlotMgr__MoveItem(30, v6 + 3000, 0, 1);
          v10 = v6;
        }
        ++v6;
        v7 += 4;
      }
      while ( v6 < v11 );
    }
  }
  if ( v10 == -1 )
  {
    v8 = (char *)StringTable__getString(12319, 0);
    CEverQuest__dsp_chat(v8, 10, 1);
  }
  else
  {
    CTradeWnd__SetHisReadyTrade(0);
  }
  result = LODWORD(dword_766688);
  if ( *(_DWORD *)(dword_766660 + 5980) )
    *(_BYTE *)(LODWORD(dword_766688) + 24) = 1;
  else
    *(_BYTE *)(LODWORD(dword_766688) + 24) = 0;
  return result;
}