// 
// sub_56490 from 0x56490 to 0x56824 (916 bytes)
// 
// 2 xrefs:
// > sub_591BC @ 0x591d8
// > <???> @ 0x10c730
// 
// 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_56490(__int64 a1, int a2, __int64 a3)
{
  int v4; // w23
  __int64 v6; // x21
  __int64 v7; // x24
  unsigned int v8; // w22
  unsigned int *v10; // x8
  unsigned int v11; // w9
  __int64 v12; // x8
  int v13; // w8
  int *v14; // x21
  int *v15; // x9
  __int64 v16; // x10
  __int64 v17; // x0
  __int64 v18; // x11
  __int64 v19; // x21
  __int64 v20; // x9
  int v21; // w10
  __int64 v22; // x8
  __int64 v23; // x13
  __int64 *v24; // x13
  int v25; // w9
  int v26; // w9
  __int64 v27; // x1
  __int64 v28; // x2
  __int64 v29; // x8
  int v30; // w9
  int *v31; // x10
  int v32; // w11
  __int64 v33; // x9
  __int64 v34; // [xsp+0h] [xbp-50h] BYREF
  int v35; // [xsp+8h] [xbp-48h]
  char v36; // [xsp+Ch] [xbp-44h]
  __int64 v37; // [xsp+10h] [xbp-40h] BYREF
  int v38; // [xsp+1Ch] [xbp-34h] BYREF

  v38 = a2;
  if ( !a3 )
    return 31;
  v4 = a2;
  if ( !(*(unsigned int (__fastcall **)(__int64, __int64, _QWORD))(*(_QWORD *)a1 + 312LL))(a1, a3, 0) )
  {
    v8 = (*(__int64 (__fastcall **)(__int64, __int64))(*(_QWORD *)a1 + 280LL))(a1, a3);
    if ( v8 )
      return v8;
  }
  v37 = *(_QWORD *)(a1 + 96);
  if ( !v37 )
    return 9;
  v7 = *(_QWORD *)(a1 + 104);
  v6 = *(_QWORD *)(a1 + 112);
  if ( v4 == -3 )
  {
    v4 = *(_DWORD *)(a1 + 24);
    v38 = v4;
    goto LABEL_12;
  }
  if ( v4 == -2 )
  {
    v8 = sub_5796C(a1, *(_QWORD *)(a1 + 112), &v38);
    if ( v8 )
      return v8;
    v4 = v38;
    if ( v38 < 0 )
      return 31;
    goto LABEL_13;
  }
  if ( v4 != -1 )
  {
LABEL_12:
    if ( v4 < 0 )
      return 31;
    goto LABEL_13;
  }
  v4 = 0;
  v38 = 0;
LABEL_13:
  if ( v4 > *(_DWORD *)(a1 + 24) )
    return 31;
  *(_QWORD *)(a3 + 512) = a1;
  v8 = sub_CBC5C(a3);
  if ( !v8 )
  {
    *(_OWORD *)(a3 + 8) = *(_OWORD *)(v7 + 8);
    v10 = (unsigned int *)(a3 + 100);
    do
      v11 = __ldaxr(v10);
    while ( __stlxr(v11 | 0x40, v10) );
    v8 = sub_C7D1C(a3, 1, 1);
    if ( !v8 )
    {
      v12 = *(_QWORD *)(a1 + 8);
      v36 = 0;
      v35 = 1;
      v34 = v12;
      sub_520A0((__int64)&v34);
      v8 = sub_CB2C0(v37, a3, 0xFFFFFFFFLL, (unsigned int)v38, 1, 0);
      if ( v8 || !v38 && (v8 = sub_579A0(v6, a3 + 8)) != 0 )
      {
        sub_57964();
      }
      else
      {
        sub_57964();
        v13 = v38;
        v14 = (int *)(a1 + 272);
        v15 = (int *)(a1 + 272);
        while ( 1 )
        {
          v15 = *(int **)v15;
          if ( v15 == v14 )
            break;
          v16 = *((_QWORD *)v15 + 2);
          if ( v13 <= (int)v16 >> 16 )
            *((_QWORD *)v15 + 2) = v16 & 0xFFFFFFFF0000FFFFLL
                                 | ((unsigned __int64)((unsigned int)(v16 + 0x10000) >> 16) << 16);
        }
        if ( (unsigned int)sub_C7AC4(a3, 0xFFFFFFFFLL, &v34) )
          goto LABEL_31;
        v29 = a3 + 144;
        if ( *(_QWORD *)(a3 + 144) != a3 + 144 )
          return 28;
        if ( *(_QWORD *)(a3 + 152) != v29 )
          return 28;
        if ( (int)v34 > 32766 )
          return 28;
        v30 = v38;
        if ( v38 > 32766 )
          return 28;
        v31 = (int *)(a1 + 272);
        *(_QWORD *)(a3 + 160) = (unsigned int)(v38 << 16) | (unsigned __int64)(unsigned __int16)v34;
        do
        {
          v31 = *(int **)v31;
          if ( v31 == v14 )
          {
            v31 = (int *)(a1 + 272);
            goto LABEL_66;
          }
          v32 = v31[4] >> 16;
        }
        while ( v32 < v30 );
        if ( v32 == v30 )
          return 28;
LABEL_66:
        v33 = *((_QWORD *)v31 + 1);
        *(_QWORD *)(a3 + 144) = v31;
        *(_QWORD *)(a3 + 152) = v33;
        *((_QWORD *)v31 + 1) = v29;
        **(_QWORD **)(a3 + 152) = v29;
        v8 = (*(__int64 (__fastcall **)(__int64))(*(_QWORD *)a1 + 520LL))(a1);
        if ( !v8 )
        {
LABEL_31:
          v17 = ((__int64 (__fastcall *)(__int64, _QWORD, __int64))loc_57858)(
                  *(_QWORD *)(a1 + 8) + 67656LL,
                  (unsigned int)(8 * *(_DWORD *)(a1 + 24) + 8),
                  184320);
          if ( v17 )
          {
            v18 = *(int *)(a1 + 24);
            v19 = v17;
            v20 = 0;
            v21 = 0;
            *(_DWORD *)(a1 + 24) = v18 + 1;
            v22 = (unsigned int)v38;
            while ( v20 <= v18 )
            {
              if ( v22 == v20 )
              {
                *(_QWORD *)(v17 + 8 * v22) = a3;
              }
              else
              {
                v23 = *(_QWORD *)(a1 + 16);
                if ( v23 )
                  v24 = (__int64 *)(v23 + 8LL * v21);
                else
                  v24 = &v37;
                ++v21;
                *(_QWORD *)(v17 + 8 * v20) = *v24;
              }
              ++v20;
            }
            if ( *(_QWORD *)(a1 + 16) )
            {
              ((void (*)(void))loc_577E4)();
              LODWORD(v22) = v38;
            }
            v25 = *(_DWORD *)(a1 + 24);
            *(_QWORD *)(a1 + 16) = v19;
            v26 = v25 - 1;
            if ( (_DWORD)v22 && (_DWORD)v22 != v26 )
              return 0;
            v27 = (_DWORD)v22 ? 0LL : a3;
            v28 = (_DWORD)v22 == v26 ? a3 : 0LL;
            v8 = (*(__int64 (__fastcall **)(__int64, __int64, __int64))(*(_QWORD *)a1 + 488LL))(a1, v27, v28);
            if ( !v8 )
              return 0;
          }
          else
          {
            return 38;
          }
        }
      }
    }
  }
  return v8;
}