CEnvMicrophone::Think

/* CEnvMicrophone::Think() */

void __thiscall CEnvMicrophone::Think(CEnvMicrophone *this)

{
  float fVar1;
  bool bVar2;
  char cVar3;
  int iVar4;
  CSound *pCVar5;
  float *pfVar6;
  float local_40;
  float local_38;
  float local_34;
  float local_30;
  undefined4 local_2c;
  undefined4 local_28;
  undefined4 local_24;
  undefined4 local_20;
  
  iVar4 = CSoundEnt::ActiveList();
  bVar2 = false;
  local_40 = 0.0;
  if (iVar4 != -1) {
    do {
      while ((pCVar5 = (CSound *)CSoundEnt::SoundPointerForIndex(iVar4), pCVar5 == (CSound *)0x0 ||
             ((*(uint *)(this + 0x448) & *(uint *)(pCVar5 + 0x10)) == 0))) {
LAB_00688100:
        iVar4 = (int)*(short *)(pCVar5 + 0x1c);
        if (iVar4 == -1) goto LAB_00688160;
      }
      local_30 = 0.0;
      cVar3 = CanHearSound(this,pCVar5,&local_30);
      if ((cVar3 == '\0') || (local_30 <= local_40)) goto LAB_00688100;
      iVar4 = (int)*(short *)(pCVar5 + 0x1c);
      local_40 = local_30;
      bVar2 = true;
    } while (iVar4 != -1);
LAB_00688160:
    if (bVar2) {
      COutputEvent::FireOutput
                ((COutputEvent *)(this + 0x4a0),(CBaseEntity *)this,(CBaseEntity *)this,0.0);
    }
  }
  fVar1 = *(float *)(this + 0x470);
  if (local_40 != fVar1) {
    if (ABS(local_40 - fVar1) < 0.005) {
      pfVar6 = &local_38;
      local_38 = local_40;
    }
    else {
      pfVar6 = &local_34;
      local_34 = (1.0 - *(float *)(this + 0x450)) * local_40 + fVar1 * *(float *)(this + 0x450);
    }
    variant_t::Set((variant_t *)(this + 0x470),1,pfVar6);
    local_30 = *(float *)(this + 0x470);
    local_2c = *(undefined4 *)(this + 0x474);
    local_28 = *(undefined4 *)(this + 0x478);
    local_24 = *(undefined4 *)(this + 0x47c);
    local_20 = *(undefined4 *)(this + 0x480);
    CBaseEntityOutput::FireOutput((CBaseEntityOutput *)(this + 0x470),&local_30,this,this,0);
  }
  CBaseEntity::SetNextThink((CBaseEntity *)this,*(float *)(gpGlobals + 0xc) + 0.1,(char *)0x0);
  return;
}