bool CASW_Spawn_Manager::SpawnRandomShieldbug()
{
    int iNumNodes = g_pBigAINet->NumNodes();
    if ( iNumNodes < 6 )
        return false;

    int nHull = HULL_WIDE_SHORT;
    CUtlVector<CASW_Open_Area*> aAreas;
    for ( int i = 0; i < 6; i++ )
    {
        CAI_Node *pNode = NULL;
        int nTries = 0;
        while ( nTries < 5 && ( !pNode || pNode->GetType() != NODE_GROUND ) )
        {
            pNode = g_pBigAINet->GetNode( RandomInt( 0, iNumNodes ) );
            nTries++;
        }

        if ( pNode )
        {
            CASW_Open_Area *pArea = FindNearbyOpenArea( pNode->GetOrigin(), HULL_MEDIUMBIG );
            if ( pArea && pArea->m_nTotalLinks > 30 )
            {
                // test if there's room to spawn a shieldbug at that spot
                if ( ValidSpawnPoint( pArea->m_pNode->GetPosition( nHull ), NAI_Hull::Mins( nHull ), NAI_Hull::Maxs( nHull ), true, false ) )
                {
                    aAreas.AddToTail( pArea );
                }
                else
                {
                    delete pArea;
                }
            }
        }
        // stop searching once we have 3 acceptable candidates
        if ( aAreas.Count() >= 3 )
            break;
    }

    // find area with the highest connectivity
    CASW_Open_Area *pBestArea = NULL;
    for ( int i = 0; i < aAreas.Count(); i++ )
    {
        CASW_Open_Area *pArea = aAreas[i];
        if ( !pBestArea || pArea->m_nTotalLinks > pBestArea->m_nTotalLinks )
        {
            pBestArea = pArea;
        }
    }

    if ( pBestArea )
    {
        CBaseEntity *pAlien = SpawnAlienAt( "asw_shieldbug", pBestArea->m_pNode->GetPosition( nHull ), RandomAngle( 0, 360 ) );
        IASW_Spawnable_NPC *pSpawnable = dynamic_cast<IASW_Spawnable_NPC*>( pAlien );
        if ( pSpawnable )
        {
            pSpawnable->SetAlienOrders(AOT_SpreadThenHibernate, vec3_origin, NULL);
        }
        aAreas.PurgeAndDeleteElements();
        return true;
    }

    aAreas.PurgeAndDeleteElements();
    return false;
}
bool CASW_Spawn_Manager::SpawnRandomParasitePack( int nParasites )
{
	int iNumNodes = g_pBigAINet->NumNodes();
	if ( iNumNodes < 6 )
		return false;

	int nHull = HULL_TINY;
	CUtlVector<CASW_Open_Area*> aAreas;
	for ( int i = 0; i < 6; i++ )
	{
		CAI_Node *pNode = NULL;
		int nTries = 0;
		while ( nTries < 5 && ( !pNode || pNode->GetType() != NODE_GROUND ) )
		{
			pNode = g_pBigAINet->GetNode( RandomInt( 0, iNumNodes ) );
			nTries++;
		}

		if ( pNode )
		{
			CASW_Open_Area *pArea = FindNearbyOpenArea( pNode->GetOrigin(), HULL_MEDIUMBIG );
			if ( pArea && pArea->m_nTotalLinks > 30 )
			{
				// test if there's room to spawn a shieldbug at that spot
				if ( ValidSpawnPoint( pArea->m_pNode->GetPosition( nHull ), NAI_Hull::Mins( nHull ), NAI_Hull::Maxs( nHull ), true, false ) )
				{
					aAreas.AddToTail( pArea );
				}
				else
				{
					delete pArea;
				}
			}
		}
		// stop searching once we have 3 acceptable candidates
		if ( aAreas.Count() >= 3 )
			break;
	}

	// find area with the highest connectivity
	CASW_Open_Area *pBestArea = NULL;
	for ( int i = 0; i < aAreas.Count(); i++ )
	{
		CASW_Open_Area *pArea = aAreas[i];
		if ( !pBestArea || pArea->m_nTotalLinks > pBestArea->m_nTotalLinks )
		{
			pBestArea = pArea;
		}
	}

	if ( pBestArea )
	{
		for ( int i = 0; i < nParasites; i++ )
		{
			// raise the position by 12 units, a workaround for parasites
			// falling through displacements
			CBaseEntity *pAlien = SpawnAlienAt( "asw_parasite", pBestArea->m_pNode->GetPosition( nHull )  + Vector(0.f, 0.f, 12.f), RandomAngle( 0, 360 ) );
			IASW_Spawnable_NPC *pSpawnable = dynamic_cast<IASW_Spawnable_NPC*>( pAlien );
			if ( pSpawnable )
			{
				pSpawnable->SetAlienOrders(AOT_SpreadThenHibernate, vec3_origin, NULL);
			}
			if ( asw_director_debug.GetBool() && pAlien )
			{
				Msg( "Spawned parasite at %f %f %f\n", pAlien->GetAbsOrigin() );
				NDebugOverlay::Cross3D( pAlien->GetAbsOrigin(), 8.0f, 255, 0, 0, true, 20.0f );
			}
		}
		aAreas.PurgeAndDeleteElements();
		return true;
	}

	aAreas.PurgeAndDeleteElements();
	return false;
}