// WorldTick functions

extend Class SWWMHandler
{
	transient Array<Actor> combatactors;
	transient Array<Int> combattics;
	transient int highesttic, lastcombat;
	int lastitemcount[MAXPLAYERS];
	transient String curlang;
	transient bool curfuntags;
	SWWMSimpleTracker strackers;
	int strackers_cnt;
	bool mnotify;
	bool allkills, allitems, allsecrets;
	bool mapclear;
	int mapclearagain, restartmus;
	String lastmus;
	int lastorder;
	bool lastloop;

	private void LangRefresh()
	{
		if ( (language != curlang) || (swwm_funtags != curfuntags) )
		{
			// manually refresh some tags if language has changed
			for ( SWWMCombatTracker t=trackers; t; t=t.next )
				t.UpdateTag();
			for ( SWWMInterest p=intpoints; p; p=p.next )
			{
				if ( (p.type != INT_Key) || !p.trackedkey ) continue;
				p.keytag = p.trackedkey.GetTag();
			}
			for ( int i=0; i<MAXPLAYERS; i++ )
			{
				if ( !playeringame[i] || !Demolitionist(players[i].mo) ) continue;
				for ( SWWMItemSense s=Demolitionist(players[i].mo).itemsense; s; s=s.next )
					s.UpdateTag();
			}
		}
		curlang = language;
		curfuntags = swwm_funtags;
	}

	// countable item scoring
	private void ItemCountTrack()
	{
		for ( int i=0; i<MAXPLAYERS; i++ )
		{
			if ( !playeringame[i] ) continue;
			if ( players[i].itemcount > lastitemcount[i] )
			{
				int score = 10*(players[i].itemcount-lastitemcount[i]);
				if ( (level.total_items == level.found_items) && !allitems )
				{
					allitems = true;
					Console.Printf(StringTable.Localize("$SWWM_LASTITEM"),players[i].GetUserName(),500);
					score += 490;
				}
				SWWMCredits.Give(players[i],score);
				SWWMScoreObj.Spawn(score,players[i].mo.Vec3Offset(0,0,players[i].mo.Height/2));
				lastitemcount[i] = players[i].itemcount;
				let s = SWWMStats.Find(players[i]);
				s.items++;
			}
		}
	}

	// combat tracking
	private void CombatTrack()
	{
		// prune old entries
		for ( int i=0; i<combatactors.Size(); i++ )
		{
			if ( combattics[i] > highesttic )
				highesttic = combattics[i];
			if ( combatactors[i]
				&& (combatactors[i].Health > 0)
				&& !combatactors[i].bKILLED
				&& !combatactors[i].bCORPSE
				&& (combatactors[i].target == players[consoleplayer].mo)
				&& (combattics[i]+2000 > gametic) )
				continue;
			combatactors.Delete(i);
			combattics.Delete(i);
			i--;
		}
		bool enteredcombat = false;
		// add new entries
		let ti = ThinkerIterator.Create("Actor");
		Actor a;
		while ( a = Actor(ti.Next()) )
		{
			if ( !a.player && !a.bISMONSTER ) continue;
			// ignore the dead
			if ( (a.Health <= 0) || a.bKILLED || a.bCORPSE ) continue;
			// ignore friends
			if ( a.IsFriend(players[consoleplayer].mo) ) continue;
			// [Strife] ignore if not in combat
			if ( (gameinfo.gametype&GAME_Strife) && !a.bINCOMBAT && !a.bJUSTATTACKED ) continue;
			// [Strife] ignore certain classes
			if ( (a is 'RatBuddy') || (a is 'Peasant') || (a is 'Beggar') ) continue;
			// [Strife] ignore Oracle's spectre while it's inactive
			if ( (a is 'AlienSpectre3') && a.InStateSequence(a.CurState,a.FindState("Spawn")) ) continue;
			// ignore if not targetted or player can't see it
			if ( (a.target != players[consoleplayer].mo)
				|| !SWWMUtility.InPlayerFOV(players[consoleplayer],a) ) continue;
			// [HDoom] ignore cute girls
			if ( SWWMHDoomHandler.IsCuteGirl(a.target) ) continue;
			// is it already in?
			bool addme = true;
			for ( int i=0; i<combatactors.Size(); i++ )
			{
				if ( combatactors[i] != a ) continue;
				addme = false;
				combattics[i] = gametic;
				break;
			}
			// add it in
			if ( addme )
			{
				combatactors.Push(a);
				combattics.Push(gametic);
				enteredcombat = true;
			}
		}
		if ( enteredcombat && (!highesttic || (gametic > highesttic+700)) )
			lastcombat = AddOneliner("fightstart",1,10);
	}

	private void OneHundredPercentCheck()
	{
		if ( !mapclear && (restartmus > 0) )
		{
			restartmus--;
			if ( restartmus == 0 ) S_ChangeMusic(lastmus,lastorder,lastloop,true);
			return;
		}
		// ignore levels that have NOTHING
		if ( (level.total_secrets <= 0) && (level.total_items <= 0) && (level.total_monsters <= 0) ) return;
		if ( mapclear )
		{
			if ( (swwm_silencemap == 1) && (musplaying.name != "") )
			{
				lastmus = musplaying.name;
				lastorder = musplaying.baseorder;
				lastloop = musplaying.loop;
				S_ChangeMusic("",force:true);
			}
			else if ( (swwm_silencemap > 1) && (musplaying.name != "music/olg.ogg") )
			{
				lastmus = musplaying.name;
				lastorder = musplaying.baseorder;
				lastloop = musplaying.loop;
				S_ChangeMusic("music/olg.ogg",force:true);
			}
			if ( (level.found_secrets < level.total_secrets) || (level.found_items < level.total_items) || (level.killed_monsters < level.total_monsters) )
			{
				if ( swwm_silencemap > 0 )
				{
					restartmus = 25;
					S_ChangeMusic("",force:true);
				}
				S_StartSound("recordscratch",CHAN_VOICE,CHANF_UI|CHANF_NOPAUSE|CHANF_OVERLAP,1,ATTN_NONE);
				mapclear = false;
				if ( mapclearagain > 1 ) Console.Printf(StringTable.Localize("$SWWM_NOTCLEARAGAIN"));
				else Console.Printf(StringTable.Localize("$SWWM_NOTCLEAR"));
			}
			return;
		}
		if ( (level.found_secrets < level.total_secrets) || (level.found_items < level.total_items) || (level.killed_monsters < level.total_monsters) ) return;
		restartmus = 0;
		mapclear = true;
		if ( mapclearagain ) Console.Printf(StringTable.Localize("$SWWM_ALLCLEARAGAIN"),500);
		else Console.Printf(StringTable.Localize("$SWWM_ALLCLEAR"),5000);
		S_StartSound("misc/wow",CHAN_VOICE,CHANF_UI|CHANF_NOPAUSE|CHANF_OVERLAP,1,ATTN_NONE);
		lastmus = musplaying.name;
		lastorder = musplaying.baseorder;
		lastloop = musplaying.loop;
		if ( swwm_silencemap == 1 ) S_ChangeMusic("",force:true);
		else if ( swwm_silencemap > 1 ) S_ChangeMusic("music/olg.ogg",force:true);
		for ( int i=0; i<MAXPLAYERS; i++ )
		{
			if ( !playeringame[i] || !players[i].mo ) continue;
			let f = Actor.Spawn("PartyTime",players[i].mo.pos);
			f.bAMBUSH = true;
			if ( mapclearagain )
			{
				SWWMCredits.Give(players[i],500);
				SWWMScoreObj.Spawn(500,players[i].mo.Vec3Offset(0,0,players[i].mo.Height/2));
			}
			else
			{
				SWWMCredits.Give(players[i],5000);
				SWWMScoreObj.Spawn(5000,players[i].mo.Vec3Offset(0,0,players[i].mo.Height/2));
			}
		}
		mapclearagain++;
	}

	// "simple" tracking (used by the minimap)
	private void SimpleTracking()
	{
		if ( !swwm_mm_enable )
		{
			while ( strackers )
			{
				SWWMSimpleTracker next = strackers.next;
				strackers.Destroy();
				strackers = next;
			}
			strackers_cnt = 0;
			return;
		}
		// update trackers for anything around the player
		bool thesight = players[consoleplayer].mo.FindInventory("Omnisight");
		double viewdist = SWWMStatusBar.MAPVIEWDIST*swwm_mm_zoom;
		BlockThingsIterator bt = BlockThingsIterator.Create(players[consoleplayer].Camera,viewdist);
		while ( bt.Next() )
		{
			let a = bt.Thing;
			if ( !a ) continue;
			Vector2 rv = a.pos.xy-players[consoleplayer].Camera.pos.xy;
			if ( max(abs(rv.x)-a.radius,abs(rv.y)-a.radius) > viewdist )
				continue;
			if ( a == players[consoleplayer].Camera )
				continue;
			if ( !a.player && !a.bSOLID && !a.bSHOOTABLE && !a.bISMONSTER && !a.bFRIENDLY && !(a is 'Inventory') && !(a is 'Chancebox') )
				continue;
			if ( !thesight && !a.IsFriend(players[consoleplayer].mo) && !players[consoleplayer].Camera.CheckSight(a,SF_IGNOREVISIBILITY|SF_IGNOREWATERBOUNDARY) )
				continue;
			if ( a.bKILLED || (a.Health <= 0) )
				continue;
			if ( (a is 'Inventory') && (!a.bSPECIAL || Inventory(a).Owner) )
				continue;
			if ( (a is 'Chancebox') && (a.CurState != a.SpawnState) )
				continue;
			SWWMSimpleTracker.Track(a);
		}
		if ( swwm_mm_portaloverlay && (psectors.Size() > 1) )
		{
			// oh boy here we go
			int thisgroup = players[consoleplayer].Camera.CurSector.portalgroup;
			for ( int i=0; i<psectors.Size(); i++ )
			{
				if ( i == thisgroup ) continue;
				Vector2 relpos = players[consoleplayer].Camera.pos.xy+SWWMUtility.PortalDisplacement(level.Sectors[psectors[thisgroup]],level.Sectors[psectors[i]]);
				bt = BlockThingsIterator.CreateFromPos(relpos.x,relpos.y,players[consoleplayer].Camera.pos.z,players[consoleplayer].Camera.pos.z+players[consoleplayer].Camera.height,viewdist,false);
				while ( bt.Next() )
				{
					let a = bt.Thing;
					if ( !a ) continue;
					Vector2 rv = a.pos.xy-relpos;
					if ( max(abs(rv.x)-a.radius,abs(rv.y)-a.radius) > viewdist )
						continue;
					if ( a == players[consoleplayer].Camera )
						continue;
					if ( !a.player && !a.bSOLID && !a.bSHOOTABLE && !a.bISMONSTER && !a.bFRIENDLY && !(a is 'Inventory') && !(a is 'Chancebox') )
						continue;
					if ( !thesight && !a.IsFriend(players[consoleplayer].mo) && !players[consoleplayer].Camera.CheckSight(a,SF_IGNOREVISIBILITY|SF_IGNOREWATERBOUNDARY) )
						continue;
					if ( a.bKILLED || (a.Health <= 0) )
						continue;
					if ( (a is 'Inventory') && (!a.bSPECIAL || Inventory(a).Owner) )
						continue;
					if ( (a is 'Chancebox') && (a.CurState != a.SpawnState) )
						continue;
					SWWMSimpleTracker.Track(a);
				}
			}
		}
		SWWMSimpleTracker trk = strackers;
		while ( trk )
		{
			SWWMSimpleTracker next = trk.next;
			// minimize lifespan of destroyed targets
			if ( !trk.target ) trk.lastupdate = min(trk.lastupdate,level.maptime);
			else if ( !trk.expired )
			{
				// "last breath" update
				if ( (trk.target.bKILLED || (trk.target.Health <= 0))
					|| ((trk.target is 'Inventory') && (!trk.target.bSPECIAL || Inventory(trk.target).Owner))
					|| ((trk.target is 'Chancebox') && (trk.target.CurState != trk.target.SpawnState)) )
					trk.Update();
			}
			// prune expired trackers
			if ( trk.lastupdate+140 < level.maptime )
			{
				if ( !trk.prev ) strackers = trk.next;
				else trk.prev.next = trk.next;
				if ( trk.next ) trk.next.prev = trk.prev;
				trk.Destroy();
				strackers_cnt--;
			}
			trk = next;
		}
	}
}