Leeched - Garena BS Weapon File Checking Function

int __thiscall sub_10047690(int this, const char *a2)
{
  int v2; // ebp@1
  HANDLE v3; // eax@5
  void *v4; // esi@5
  struct _RTL_CRITICAL_SECTION *v5; // ecx@6
  DWORD v6; // ebp@7
  void *v7; // edi@7
  unsigned int v8; // ecx@10
  void *v10; // [sp-4h] [bp-4Ch]@16
  char v11; // [sp+13h] [bp-35h]@1
  struct _RTL_CRITICAL_SECTION *v12; // [sp+14h] [bp-34h]@1
  DWORD NumberOfBytesRead; // [sp+18h] [bp-30h]@7
  void *v14; // [sp+20h] [bp-28h]@1
  int v15; // [sp+30h] [bp-18h]@1
  unsigned int v16; // [sp+34h] [bp-14h]@1
  int v17; // [sp+44h] [bp-4h]@1


  v2 = this + 264;
  v12 = (struct _RTL_CRITICAL_SECTION *)(this + 264);
  sub_1004A2D0((LPCRITICAL_SECTION)(this + 264));
  v11 = 5;
  v16 = 15;
  v15 = 0;
  //Found By Xorr
  LOBYTE(v14) = 0;
  sub_100033F0(a2, strlen(a2));
  v17 = 0;
  if ( sub_10041BF0("_SG", 0, 3) != -1 )
    v11 = 6;
  strncpy(FileName, a2, 0x303u);
  _strlwr(FileName);
  _splitpath(FileName, byte_101B580C, byte_101B5810, byte_101B5910, byte_101B5A10);
  if ( *(_DWORD *)(dword_101B56A8 + 260) )
    sprintf(byte_101B5A10, ".bsv");
  _makepath(FileName, byte_101B580C, byte_101B5810, byte_101B5910, byte_101B5A10);
  v3 = CreateFileA(FileName, 0x80000000u, 1u, 0, 3u, 0x80u, 0);
  v4 = v3;
  //Found By Xorr
  if ( v3 == (HANDLE)-1 )
  {
    MessageBoxA(0, FileName, "error", 0);
    v5 = (struct _RTL_CRITICAL_SECTION *)v2;
    goto LABEL_18;
  }
  v6 = GetFileSize(v3, 0);
  NumberOfBytesRead = 0;
  v7 = operator new(v6);
  if ( ReadFile(v4, v7, v6, &NumberOfBytesRead, 0) )
  {
    CloseHandle(v4);
    if ( *(_DWORD *)(dword_101B56A8 + 260) )
    {
      v8 = 0;
      if ( v6 )
      {
        do
        {
          *((_BYTE *)v7 + v8) -= v8 * v8 % (unsigned __int8)v11;
          ++v8;
        }
        while ( v8 < v6 );
      }
    }
    if ( !*(_DWORD *)dword_101B56A8 || !sub_101374F0(*(_DWORD *)dword_101B56A8, v7, v6, a2) )
    {
      j_j__free(v7);
      v5 = v12;
LABEL_18:
      sub_1004A2F0(v5);
      if ( v16 >= 0x10 )
      {
        v10 = v14;
        goto LABEL_20;
      }
      return unknown_libname_11();
    }
    j_j__free(v7);
    MessageBoxA(0, "3 Can't find blackshot files. Please re-install blackshot.", "error", 0);
  }
  else
  {
    j_j__free(v7);
    MessageBoxA(0, "2 Can't find blackshot files. Please re-install blackshot.", "error", 0);
    CloseHandle(v4);
  }
  sub_1004A2F0(v12);
  if ( v16 >= 0x10 )
  {
    v10 = v14;
LABEL_20:
    j__free(v10);
  }
  return unknown_libname_11();
}