CTerrorPlayer::UpdateZombieFrustration()

cterrorplayer_updatezombiefrustration.cpp

// Reverse-engineered CTerrorPlayer::UpdateZombieFrustration().
// I can claim no copyright for this code. 
// This representation of code was produced by reverse engineering for interoperability.
// Any resemblance to original source is completely accidental.

void CTerrorPlayer::UpdateZombieFrustration()
{
  if ( !ZombieFrustration.GetBool())
    || this->GetTeamNumber() != 3
    || this->GetClass() != 8
    || this->IsBot()
    || this->IsGhost)()
    || !TheDirector->m_bTankFrustrationEnabled )
  {
    // Frustration is not currently enabled, reset the frustration var to 0% frustrated
    goto RESET_FRUSTRATION;
  }


  if ( !this->m_FrustrationUpdateTimer.HasStarted()
    || !this->m_FrustrationUpdateTimer.IsElapsed()) )
  {
    // It's not time to update frustration yet
    return;
  }
  
  // How long has it been since the tank last saw a player?  
  float flTimeSinceLastLOS = this->m_TimeSinceLastLOS.GetElapsedTime();
  
  if ( flTimeSinceLastLOS <= ZombieFrustrationLOSDelay.GetFloat()) )
  {
    // It hasn't been at least z_frustration_los_delay seconds since the last LOS of the tank.
    // Don't tick down the frustration yet.
    return;
  }
  
  // Set the next frustration update to happen in another second.  
  this->m_FrustrationUpdateTimer.Start(1.0);
  
  // LSCFLAG_SKIP_INCAPPED=1,
  // LSCFLAG_ONLY_INCAPPED=2,
  // LSCFLAG_SKIP_BOTS=4,
  int liveSurvivorCount = ForEachTerrorPlayer<LiveSurvivorCounter>(LSCFLAG_SKIP_INCAPPED);
  if ( !liveSurvivorCount )
  {
RESET_FRUSTRATION:
    // Networkvar update.
    // Setting frustration to 0 means "full" rage meter, i.e. not going to pass.
    this->.m_frustration = 0;
    return;
  }
  
  if ( !TheDirector->HasAnySurvivorLeftSafeArea()
    || !CDirector::IsAnySurvivorInExitCheckpoint()
    || TheDirector->IsFinaleWon() )
  {
    // Freeze current frustration in these cases.
    return;
  }
    
  int currentFrustration = a1->CTerrorPlayer.m_frustration;
  // Calculate what one more tick of frustration will add as a percent of 100.
  float newFrustration = currentFrustration + (100 / ZombieFrustrationLifetime.GetInt());
  // Clamp the value to an upper bound of 100. 
  // (Note: this is probably done with a macro in original source, evidenced by duplicate calculations of the previous value)
  newFrustration = newFrustration <= 100 ? newFrustration : 100;
  
  if(currentFrustration != newFrustration)
  {
    // NetworkVar Update
    this->m_frustration = newFrustration;
  }
  
  // If we're not at 100 frustration yet, or something something, we're done here.
  if ( newFrustration <= 99 || this->unknown328[7] & 8 )
    return;
  
  // Otherwise, the tank is frustrated! Whatever shall we do!
  
  if ( TheDirector->ChallengeModePtr->TankRun() )
  {
    // When a tank gets frustrated in "TankRun" mode, we apparently kill it.
    CBasePlayer::CommitSuicide(a1, 0, 0);
    return;
  }
  
  
  // This method was actually inlined, but it's just a big hunk of player looping code.
  // Checks for: (GetTeamNumber() == 3 && !IsBot() && !IsAlive()) || GetTeamNumber() != 3 || GetClass() != 8)
  // The conflicting conditionals point to a bug... But I'm not really sure.
  int eligiblePassTargetCount = CountEligibleTankTargets();
  
  // I don't know why they don't just use IsElapsed()... 
  // There's some odd repetition here that suggests Macro usage
  if(TheDirector->TankLotteryEntryTimer.GetRemainingRatio() == 0.0f)
  {
    // Fire the frustrated event so clients and other stuff know about it.
    IGameEvent * event = gameeventmanager->CreateEvent("tank_frustrated");
    if ( event )
    {
      // I don't really know how the edict_t reference is retrieved, but this is basically what's happening.
      event->SetInt("userid", engine->GetPlayerUserId(this->GetEdict()));
      gameeventmanager->FireEvent(event);
    }
    
    if ( eligiblePassTargetCount && TheDirector->m_iTankSwapCount <= 1 )
    {
      TheDirector->TryOfferingTankBot(this, false);
    }
    else
    {
      // Offering tank bot currently unavailable for some reason.
      this->ReplaceWithBot(false);
      this->SetPreSpawnClass(ZC_HUNTER); // Set to spawn as a hunter I guess...
      this->State_Transition(CCSPlayerState_GHOST); // Transition to ghost state (state 8 anyway, I think it's ghost)
    }
  }
}