signed int __fastcall Aska::TriListComp::DecodeBySimpleLossLessCompression(Aska::TriListComp *this, const unsigned __int16 *a2, unsigned __int16 *a3, unsigned int a4, unsigned int a5)
{
  const signed __int8 *v5; // r6
  unsigned int v6; // r8
  unsigned int v7; // r7
  int *v8; // r1
  unsigned int v9; // r6
  signed int v10; // r8
  int v11; // r0
  unsigned int v12; // r9
  __int16 v13; // r1
  unsigned int v14; // r8
  __int16 v15; // r0
  unsigned int *v16; // r0
  unsigned int *v17; // r0
  __int16 v19; // [sp+0h] [bp-88h]
  __int16 v20; // [sp+2h] [bp-86h]
  __int16 v21; // [sp+4h] [bp-84h]
  __int16 v22; // [sp+6h] [bp-82h]
  __int16 v23; // [sp+8h] [bp-80h]
  __int16 v24; // [sp+Ah] [bp-7Eh]
  _DWORD (__fastcall **v25)(Aska::StaticStream *__hidden); // [sp+Ch] [bp-7Ch]
  __int64 v26; // [sp+10h] [bp-78h]
  void *v27[2]; // [sp+18h] [bp-70h]
  int v28; // [sp+20h] [bp-68h]
  int v29; // [sp+30h] [bp-58h]
  int (**v30)(); // [sp+34h] [bp-54h]
  __int64 v31; // [sp+38h] [bp-50h]
  __int64 v32; // [sp+40h] [bp-48h]
  int v33; // [sp+48h] [bp-40h]
  __int16 v34; // [sp+4Ch] [bp-3Ch]
  __int16 v35; // [sp+4Eh] [bp-3Ah]

  v5 = (const signed __int8 *)a2;
  v6 = a4;
  v30 = &off_1E27E1C;
  v31 = 0LL;
  v32 = 0LL;
  v33 = 8;
  v34 = 0;
  v35 = 0;
  if ( this )
  {
    LODWORD(v31) = this;
    HIDWORD(v31) = (unsigned int)a3 >> 1;
    LODWORD(v32) = (unsigned int)a3 >> 1;
  }
  else
  {
    Aska::TArray<unsigned short,false>::Resize(&v30, (unsigned int)a3 >> 1, 0);
  }
  v7 = 0;
  v25 = off_1DD55AC;
  v26 = 0LL;
  *(_QWORD *)v27 = 0LL;
  v28 = 0;
  Aska::StaticStream::Open((Aska::StaticStream *)&v25, v5, v6);
  v9 = v32;
  v10 = 1;
  if ( (_DWORD)v32 )
  {
    while ( 1 )
    {
      v11 = v31 + 2 * v7;
      v12 = *(unsigned __int16 *)(v31 + 2 * v7);
      v13 = *(_WORD *)(v11 + 4);
      v14 = *(unsigned __int16 *)(v11 + 2);
      v22 = *(_WORD *)(v31 + 2 * v7);
      v23 = v14;
      v24 = v13;
      if ( Aska::StaticStream::Write((Aska::StaticStream *)&v25, &v22, 2u, 3u) != 3 )
        break;
      if ( v12 >= v14 )
      {
        v7 += 3;
      }
      else
      {
        v15 = *(_WORD *)(v31 + 2 * (v7 + 3));
        v19 = v12;
        v20 = v15;
        v21 = v14;
        if ( Aska::StaticStream::Write((Aska::StaticStream *)&v25, &v19, 2u, 3u) != 3 )
          break;
        v7 += 4;
      }
      if ( v7 >= v9 )
      {
        v10 = 1;
        goto LABEL_13;
      }
    }
    v10 = 0;
    v29 = 0;
  }
LABEL_13:
  v25 = off_1DD55AC;
  v16 = (unsigned int *)v27[1];
  if ( !v27[1] )
    goto LABEL_32;
  __dmb(0xBu);
  do
    v8 = (int *)__ldrex(v16);
  while ( __strex((unsigned int)v8 - 1, v16) );
  __dmb(0xBu);
  if ( v8 == (int *)((char *)&dword_0 + 1) )
  {
LABEL_32:
    if ( v27[0] )
      operator delete[](v27[0]);
    if ( v27[1] )
      Aska::TSharedPointerCode::DeleteCounter((Aska::TSharedPointerCode *)v27[1], v8);
  }
  *(_QWORD *)v27 = 0LL;
  v17 = (unsigned int *)HIDWORD(v26);
  if ( !HIDWORD(v26) )
    goto LABEL_33;
  __dmb(0xBu);
  do
    v8 = (int *)__ldrex(v17);
  while ( __strex((unsigned int)v8 - 1, v17) );
  __dmb(0xBu);
  if ( v8 == (int *)((char *)&dword_0 + 1) )
  {
LABEL_33:
    if ( (_DWORD)v26 )
      operator delete[]((void *)v26);
    if ( HIDWORD(v26) )
      Aska::TSharedPointerCode::DeleteCounter((Aska::TSharedPointerCode *)HIDWORD(v26), v8);
  }
  return v10;
}