// 
// sub_180002830 from 0x180002830 to 0x180002954 (292 bytes)
// 
// 4 xrefs:
// > sub_180002B80 @ 0x180003050
// > sub_180003390 @ 0x180003610
// > sub_180003390 @ 0x180003625
// > <???> @ 0x1801f612c
// 
// This function is hookable on this platform!
// 
// Using BromaIDA 8.0.0 @ https://github.com/Stazzical/BromaIDA
// Using bindings at commit ba9f177b at Thu Jul 16 22:52:06 2026 from https://github.com/geode-sdk/bindings
// 

__int64 __fastcall sub_180002830(__int64 a1, __int64 a2, __m128i *a3, __m128i *a4)
{
  _QWORD *v4; // r11
  __int64 v6; // rdi
  int v8; // ecx
  __int64 v11; // r9
  __int64 v12; // r10
  unsigned int v13; // edx
  int v14; // r8d
  unsigned int v15; // eax
  int v16; // ecx
  __int64 v17; // rax
  unsigned int v18; // r10d
  __m128i v19; // xmm3
  unsigned int v20; // r9d
  __m128i v21; // xmm3
  __int64 result; // rax

  v4 = *(_QWORD **)a2;
  v6 = *(_QWORD *)(a1 + 56);
  v8 = *(_DWORD *)(a2 + 16);
  v11 = **(_QWORD **)a2 >> v8;
  v12 = (unsigned int)v11 & *(_DWORD *)(a1 + 112);
  v13 = *(unsigned __int16 *)(*(_QWORD *)(a1 + 48) + 2 * v12);
  v14 = *(char *)((*(_WORD *)(*(_QWORD *)(a1 + 48) + 2 * v12) & 0x7FFF) + v6);
  if ( v13 >= 0x8000 )
  {
    v15 = sub_180001910(a1, a2, v13, v11);
    v8 = *(_DWORD *)(a2 + 16);
    v4 = *(_QWORD **)a2;
    v13 = v15;
    v14 = *(char *)(v15 + v6);
  }
  v16 = v14 + v8;
  *(_DWORD *)(a2 + 16) = v16 & 7;
  *(_QWORD *)a2 = (char *)v4 + ((__int64)v16 >> 3);
  v17 = *(_QWORD *)(a1 + 72);
  LOBYTE(v16) = *(_BYTE *)(a1 + 102);
  v18 = *(unsigned __int16 *)(v17 + 2LL * (v13 - 1)) >> v16;
  v19 = _mm_cvtsi32_si128(*(unsigned __int16 *)(v17 + 2LL * (v13 - 1)));
  LODWORD(v17) = v18 >> v16 >> v16;
  v20 = (unsigned int)v17 >> v16 >> v16;
  *a3 = _mm_unpacklo_epi64(
          _mm_unpacklo_epi32(v19, _mm_cvtsi32_si128(v18)),
          _mm_unpacklo_epi32(_mm_cvtsi32_si128(v18 >> v16), _mm_cvtsi32_si128(v17)));
  v21 = _mm_cvtsi32_si128((unsigned int)v17 >> v16);
  result = v20 >> v16 >> v16;
  *a4 = _mm_unpacklo_epi64(
          _mm_unpacklo_epi32(v21, _mm_cvtsi32_si128(v20)),
          _mm_unpacklo_epi32(_mm_cvtsi32_si128(v20 >> v16), _mm_cvtsi32_si128(result)));
  return result;
}