Codeedddd

signed int __fastcall cocos2d::ZipUtils::inflateCCZBuffer(cocos2d::ZipUtils *this, const unsigned __int8 *a2, int a3, unsigned __int8 **a4)
{
  cocos2d::ZipUtils *v4; // r7@1
  int v5; // r12@1
  unsigned int v6; // r8@4
  const unsigned __int8 *v7; // r3@5
  unsigned int v8; // r3@8
  _UNKNOWN *v9; // r5@9
  int v10; // r4@9
  unsigned int v11; // r6@9
  int v12; // r1@10
  int v13; // r0@14
  signed int v14; // r3@14
  signed int v15; // r2@14
  int v16; // r1@15
  int v17; // r1@19
  int v18; // r1@23
  int v19; // r12@23
  int v20; // r3@23
  unsigned int v21; // r12@23
  int v22; // r0@24
  void *v23; // r0@29
  signed int result; // r0@31
  size_t v25; // r4@37
  signed int v26; // [sp+4h] [bp-54h]@7
  void **v27; // [sp+14h] [bp-44h]@1
  size_t v28; // [sp+28h] [bp-30h]@30
  int v29; // [sp+2Ch] [bp-2Ch]@1

  v4 = this;
  v5 = *(_DWORD *)this;
  v27 = (void **)a3;
  v29 = _stack_chk_guard;
  if ( v5 == 559563587 )
  {
    if ( (signed int)((unsigned __int16)(*((_WORD *)this + 3) << 8) | ((unsigned int)*((_WORD *)this + 3) >> 8)) > 2
      || (unsigned __int16)(*((_WORD *)this + 2) << 8) | ((unsigned int)*((_WORD *)this + 2) >> 8) )
    {
      goto LABEL_38;
    }
  }
  else
  {
    if ( v5 != 1884963651 )
      goto LABEL_38;
    if ( (unsigned __int16)(*((_WORD *)this + 3) << 8) | ((unsigned int)*((_WORD *)this + 3) >> 8) )
      goto LABEL_38;
    v6 = ((unsigned __int16)(*((_WORD *)this + 2) << 8) | ((unsigned int)*((_WORD *)this + 2) >> 8)) != 0;
    if ( ((unsigned __int16)(*((_WORD *)this + 2) << 8) | ((unsigned int)*((_WORD *)this + 2) >> 8)) != 0 )
      goto LABEL_38;
    v7 = a2 - 12;
    if ( (signed int)(a2 - 12) < 0 )
      v7 = a2 - 9;
    v26 = (signed int)v7 >> 2;
    if ( !cocos2d::ZipUtils::s_bEncryptionKeyIsValid )
    {
      v8 = cocos2d::ZipUtils::s_uEncryptionKey[1023];
      do
      {
        v9 = (_UNKNOWN *)cocos2d::ZipUtils::s_uEncryptionKey;
        v10 = 0;
        v6 -= 1640531527;
        v11 = v6 >> 2;
        do
        {
          v12 = ((unsigned __int8)v10++ ^ (unsigned __int8)v11) & 3;
          v8 = (((16 * v8 ^ (*((_DWORD *)v9 + 1) >> 3)) + ((v8 >> 5) ^ 4 * *((_DWORD *)v9 + 1))) ^ ((cocos2d::ZipUtils::s_uEncryptedPvrKeyParts[v12] ^ v8)
                                                                                                  + (*((_DWORD *)v9 + 1) ^ v6)))
             + *(_DWORD *)v9;
          *(_DWORD *)v9 = v8;
          v9 = (_UNKNOWN *)((char *)v9 + 4);
        }
        while ( v10 != 1023 );
        v8 = ((((cocos2d::ZipUtils::s_uEncryptionKey[0] >> 3) ^ 16 * v8)
             + (4 * cocos2d::ZipUtils::s_uEncryptionKey[0] ^ (v8 >> 5))) ^ ((cocos2d::ZipUtils::s_uEncryptedPvrKeyParts[~(_BYTE)v11 & 3] ^ v8)
                                                                          + (v6 ^ cocos2d::ZipUtils::s_uEncryptionKey[0])))
           + cocos2d::ZipUtils::s_uEncryptionKey[1023];
        cocos2d::ZipUtils::s_uEncryptionKey[1023] = v8;
      }
      while ( v6 != -1253254570 );
      v4 = this;
      cocos2d::ZipUtils::s_bEncryptionKeyIsValid = 1;
    }
    if ( v26 > 0 )
    {
      v13 = (int)((char *)v4 + 16);
      v14 = 0;
      v15 = 1;
      *((_DWORD *)v4 + 3) ^= cocos2d::ZipUtils::s_uEncryptionKey[0];
      while ( 1 )
      {
        v17 = v26 > ++v14;
        if ( v14 > 511 )
          v17 = 0;
        if ( !v17 )
          break;
        v16 = cocos2d::ZipUtils::s_uEncryptionKey[v15];
        if ( v15 + 1 >= 1024 )
          v15 = 0;
        else
          ++v15;
        *(_DWORD *)v13 ^= v16;
        v13 += 4;
      }
      if ( v26 > v14 )
      {
        v18 = v14 + 64;
        v19 = v26 - 1 - v14;
        v20 = (int)((char *)v4 + 4 * v14);
        v21 = (unsigned int)((char *)v4 + 4 * (v18 + (v19 & 0xFFFFFFC0)));
        do
        {
          v22 = *(_DWORD *)(v20 + 12);
          v20 += 256;
          *(_DWORD *)(v20 - 244) = cocos2d::ZipUtils::s_uEncryptionKey[v15] ^ v22;
          if ( v15 + 1 >= 1024 )
            v15 = 0;
          else
            ++v15;
        }
        while ( v20 != v21 );
      }
    }
  }
  v25 = __rev(*((_DWORD *)v4 + 3));
  v23 = malloc(v25);
  *v27 = v23;
  if ( v23 )
  {
    v28 = v25;
    if ( j_uncompress() )
    {
      free(*v27);
      result = -1;
      *v27 = 0;
    }
    else
    {
      result = v25;
    }
    goto LABEL_33;
  }
LABEL_38:
  result = -1;
LABEL_33:
  if ( v29 != _stack_chk_guard )
    _stack_chk_fail(result);
  return result;
}