int __cdecl TC_Login(int a1, __int16 a2, const void *a3, int a4)
{
  int v4; // eax@1
  unsigned int v5; // ebp@5
  void *v6; // eax@5
  void *v7; // edi@5
  int v8; // ebp@6
  int v9; // esi@6
  int v10; // edi@25
  int i; // ecx@25
  int v12; // esi@29
  unsigned int v13; // ecx@30
  int v14; // edi@30
  int j; // ecx@30
  int result; // eax@35
  void *v17; // [sp+14h] [bp-1070h]@1
  int v18; // [sp+18h] [bp-106Ch]@2
  void *v19; // [sp+24h] [bp-1060h]@5
  int v20; // [sp+28h] [bp-105Ch]@5
  int v21; // [sp+2Ch] [bp-1058h]@1
  int v22; // [sp+30h] [bp-1054h]@35
  unsigned int v23; // [sp+34h] [bp-1050h]@5
  char v24; // [sp+38h] [bp-104Ch]@5

  v4 = sub_1004E5EF();
  AFX_MAINTAIN_STATE2::AFX_MAINTAIN_STATE2(&v21, v4);
  v17 = 0;
  if ( a2 )
  {
    v17 = operator new(3274 * a2);
    sub_1004DC60(v17, a2);
    v18 = a2;
  }
  else
  {
    v18 = 0;
  }
  if ( a2 > 0 )
  {
    v5 = 800 * a2;
    v23 = 800 * a2;
    v6 = operator new(800 * a2);
    memcpy(v6, a3, 4 * ((unsigned int)(800 * a2) >> 2));
    v19 = v6;
    sub_1005A690(&v24, (int)"tdx_zjzh_tztz_@#$", 17);
    v7 = v19;
    sub_1005A880(v19, 800 * a2);
    v20 = 0;
    if ( v18 > 0 )
    {
      v8 = (int)((char *)v19 + 2);
      v9 = 0;
      do
      {
        memset((char *)v17 + v9, 0, 0xCC8u);
        *(_WORD *)((char *)v17 + v9 + 3272) = 0;
        *((_BYTE *)v17 + v9) = *(_BYTE *)(v8 - 2);
        *((_BYTE *)v17 + v9 + 64) ^= (a4 == 1 ^ *((_BYTE *)v17 + v9 + 64)) & 1;
        *((_BYTE *)v17 + v9 + 64) |= 2u;
        *((_BYTE *)v17 + v9 + 64) &= 3u;
        if ( v8 != -769 && *(_BYTE *)(v8 + 769) )
        {
          strncpy((char *)v17 + v9 + 1, (const char *)(v8 + 769), 0x3Fu);
          *((_BYTE *)v17 + v9 + 63) = 0;
        }
        else
        {
          *((_BYTE *)v17 + v9 + 1) = 0;
        }
        if ( v8 && *(_BYTE *)v8 )
        {
          strncpy((char *)v17 + v9 + 65, (const char *)v8, 0x40u);
          *((_BYTE *)v17 + v9 + 128) = 0;
        }
        else
        {
          *((_BYTE *)v17 + v9 + 65) = 0;
        }
        if ( v8 != -256 && *(_BYTE *)(v8 + 256) )
        {
          strncpy((char *)v17 + v9 + 129, (const char *)(v8 + 256), 0x400u);
          *((_BYTE *)v17 + v9 + 1152) = 0;
        }
        else
        {
          *((_BYTE *)v17 + v9 + 129) = 0;
        }
        *((_BYTE *)v17 + v9 + 1153) = *(_BYTE *)(v8 + 512);
        if ( v8 != -513 && *(_BYTE *)(v8 + 513) )
        {
          strncpy((char *)v17 + v9 + 1154, (const char *)(v8 + 513), 0x800u);
          *((_BYTE *)v17 + v9 + 3201) = 0;
        }
        else
        {
          *((_BYTE *)v17 + v9 + 1154) = 0;
        }
        v8 += 800;
        *(_DWORD *)((char *)v17 + v9 + 3202) = 3274;
        *(_DWORD *)((char *)v17 + v9 + 3206) = *(_WORD *)(v8 - 25);
        v9 += 3274;
        ++v20;
      }
      while ( v20 < v18 );
      v5 = v23;
      v7 = v19;
    }
    memset(v7, 0, 4 * (v5 >> 2));
    v10 = (int)((char *)v7 + 4 * (v5 >> 2));
    for ( i = v5 & 3; i; --i )
      *(_BYTE *)v10++ = 0;
    operator delete(v19);
  }
  v12 = sub_10019280(v17, v18);
  if ( v18 > 0 )
  {
    v13 = (unsigned int)(3274 * v18) >> 2;
    memset(v17, 0, 4 * v13);
    v14 = (int)((char *)v17 + 4 * v13);
    for ( j = -54 * (_BYTE)v18 & 3; j; --j )
      *(_BYTE *)v14++ = 0;
    sub_1004D800(0, -1);
  }
  if ( v17 )
  {
    operator delete(v17);
    *(_DWORD *)(v22 + 4) = v21;
    result = v12;
  }
  else
  {
    *(_DWORD *)(v22 + 4) = v21;
    result = v12;
  }
  return result;
}

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