signed int __fastcall Aska::TriListComp::DecompressTriangleList(Aska::TriListComp *this, const signed __int8 *a2, unsigned __int16 *a3, unsigned int a4, unsigned int a5)
{
  int v5; // r7
  unsigned int v6; // r11
  int *v7; // r1
  signed int v8; // r6
  int v9; // r9
  unsigned int v10; // r8
  int v11; // r3
  unsigned __int16 v12; // r0
  int v13; // r5
  unsigned __int16 v14; // r2
  int v15; // r6
  __int16 v16; // r3
  unsigned __int16 v17; // r3
  __int16 v18; // r1
  unsigned __int16 v19; // r5
  int v20; // r0
  unsigned int v21; // r7
  int v22; // r3
  __int16 v23; // r3
  __int16 v24; // r2
  unsigned int *v25; // r0
  unsigned int *v26; // r0
  unsigned __int16 v28; // [sp+4h] [bp-8Ch]
  unsigned __int16 v29; // [sp+6h] [bp-8Ah]
  __int16 v30; // [sp+8h] [bp-88h]
  unsigned __int16 v31; // [sp+Ah] [bp-86h]
  __int16 v32; // [sp+Ch] [bp-84h]
  unsigned __int16 v33; // [sp+Eh] [bp-82h]
  unsigned __int16 v34; // [sp+10h] [bp-80h]
  unsigned __int16 v35; // [sp+12h] [bp-7Eh]
  __int16 v36; // [sp+14h] [bp-7Ch]
  unsigned __int16 v37; // [sp+16h] [bp-7Ah]
  unsigned __int16 v38; // [sp+18h] [bp-78h]
  unsigned __int16 v39; // [sp+1Ah] [bp-76h]
  unsigned __int16 v40; // [sp+1Ch] [bp-74h]
  __int16 v41; // [sp+1Eh] [bp-72h]
  unsigned __int16 v42; // [sp+20h] [bp-70h]
  unsigned __int16 v43; // [sp+22h] [bp-6Eh]
  unsigned __int16 v44; // [sp+24h] [bp-6Ch]
  unsigned __int16 v45; // [sp+26h] [bp-6Ah]
  _DWORD (__fastcall **v46)(Aska::StaticStream *__hidden); // [sp+28h] [bp-68h]
  __int64 v47; // [sp+2Ch] [bp-64h]
  void *v48[2]; // [sp+34h] [bp-5Ch]
  int v49; // [sp+3Ch] [bp-54h]
  int v50; // [sp+4Ch] [bp-44h]
  int (**v51)(); // [sp+50h] [bp-40h]
  Aska::TriListComp *v52; // [sp+54h] [bp-3Ch]
  char v53[12]; // [sp+58h] [bp-38h]
  int v54; // [sp+64h] [bp-2Ch]
  __int16 v55; // [sp+68h] [bp-28h]
  __int16 v56; // [sp+6Ah] [bp-26h]

  v5 = *(unsigned __int16 *)this;
  v51 = &off_1E27E1C;
  *(_QWORD *)&v53[4] = 0LL;
  v54 = 8;
  v55 = 0;
  v56 = 0;
  v52 = (Aska::TriListComp *)((char *)this + 2);
  v6 = ((unsigned int)a3 >> 1) - 1;
  v46 = off_1DD55AC;
  *(_QWORD *)v53 = v6;
  *(_DWORD *)&v53[4] = ((unsigned int)a3 >> 1) - 1;
  v47 = 0LL;
  *(_QWORD *)v48 = 0LL;
  v49 = 0;
  Aska::StaticStream::Open((Aska::StaticStream *)&v46, a2, a4);
  v8 = 1;
  if ( v5 == 0xFFFF )
  {
    if ( v6 )
    {
      v21 = 0;
      do
      {
        v22 = (int)v52 + 2 * v21;
        v34 = *((_WORD *)v52 + v21);
        v35 = *(_WORD *)(v22 + 2);
        v23 = *(_WORD *)(v22 + 4);
        v36 = v23;
        if ( v34 >= (unsigned int)v35 )
        {
          v21 += 3;
          if ( Aska::StaticStream::Write((Aska::StaticStream *)&v46, &v34, 2u, 3u) != 3 )
          {
LABEL_26:
            v8 = 0;
            v50 = 0;
            break;
          }
        }
        else
        {
          v24 = *((_WORD *)v52 + v21 + 3);
          v28 = v34;
          v29 = v35;
          v30 = v23;
          v31 = v34;
          v32 = v24;
          v33 = v35;
          if ( Aska::StaticStream::Write((Aska::StaticStream *)&v46, &v28, 2u, 6u) != 6 )
            goto LABEL_26;
          v21 += 4;
        }
      }
      while ( v21 < v6 );
    }
  }
  else if ( v6 )
  {
    LOWORD(v9) = v5 - 1;
    v10 = 0;
    do
    {
      v11 = (int)v52 + 2 * v10;
      v12 = v9 - *((_WORD *)v52 + v10);
      v43 = v12;
      v13 = v5 + v12;
      if ( (unsigned __int16)v9 > v13 )
        LOWORD(v13) = v9;
      v14 = v13 - *(_WORD *)(v11 + 2);
      v44 = v14;
      v15 = v5 + v14;
      v16 = *(_WORD *)(v11 + 4);
      if ( (unsigned __int16)v13 > v15 )
        LOWORD(v15) = v13;
      v17 = v15 - v16;
      v45 = v17;
      v9 = v5 + v17;
      if ( (unsigned __int16)v15 > v9 )
        LOWORD(v9) = v15;
      if ( v12 >= (unsigned int)v14 )
      {
        v10 += 3;
        if ( Aska::StaticStream::Write((Aska::StaticStream *)&v46, &v43, 2u, 3u) != 3 )
          goto LABEL_26;
      }
      else
      {
        v18 = *((_WORD *)v52 + v10 + 3);
        v37 = v12;
        v38 = v14;
        v19 = v9 - v18;
        v39 = v17;
        v40 = v12;
        v41 = v9 - v18;
        v42 = v14;
        v20 = Aska::StaticStream::Write((Aska::StaticStream *)&v46, &v37, 2u, 6u);
        v7 = (int *)(v5 + v19);
        if ( (unsigned __int16)v9 <= (signed int)v7 )
          LOWORD(v9) = v5 + v19;
        if ( v20 != 6 )
          goto LABEL_26;
        v10 += 4;
      }
    }
    while ( v10 < v6 );
    v8 = 1;
  }
  v46 = off_1DD55AC;
  v25 = (unsigned int *)v48[1];
  if ( !v48[1] )
    goto LABEL_46;
  __dmb(0xBu);
  do
    v7 = (int *)__ldrex(v25);
  while ( __strex((unsigned int)v7 - 1, v25) );
  __dmb(0xBu);
  if ( v7 == (int *)((char *)&dword_0 + 1) )
  {
LABEL_46:
    if ( v48[0] )
      operator delete[](v48[0]);
    if ( v48[1] )
      Aska::TSharedPointerCode::DeleteCounter((Aska::TSharedPointerCode *)v48[1], v7);
  }
  *(_QWORD *)v48 = 0LL;
  v26 = (unsigned int *)HIDWORD(v47);
  if ( !HIDWORD(v47) )
    goto LABEL_47;
  __dmb(0xBu);
  do
    v7 = (int *)__ldrex(v26);
  while ( __strex((unsigned int)v7 - 1, v26) );
  __dmb(0xBu);
  if ( v7 == (int *)((char *)&dword_0 + 1) )
  {
LABEL_47:
    if ( (_DWORD)v47 )
      operator delete[]((void *)v47);
    if ( HIDWORD(v47) )
      Aska::TSharedPointerCode::DeleteCounter((Aska::TSharedPointerCode *)HIDWORD(v47), v7);
  }
  return v8;
}