// Handler responsible for item replacements and whatever else
// most of the code is split up to make it easier to navigate

Class SWWMHandler : EventHandler
{
	transient int lastlock;
	transient int lastpickuptic[MAXPLAYERS];
	SWWMCombatTracker trackers;
	SWWMScoreObj scorenums, damnums;
	SWWMInterest intpoints;
	int trackers_cnt, scorenums_cnt, damnums_cnt, intpoints_cnt;

	transient int slotstrictwarn;

	// optimization
	OnFire fires;
	int fires_cnt;

	// stuff to reduce worldthingspawned overhead
	int bossmap;
	int iwantdie;
	int indoomvacation;

	// for checkreplacement
	bool hasdrlamonsters;

	override void OnRegister()
	{
		// oneliner RNG must be relative to consoleplayer
		SetRandomSeed[DemoLines](Random[DemoLines]()+consoleplayer+MSTime());
		// "uninitialize" some vars
		iwantdie = -1;
		bossmap = -1;
		indoomvacation = -1;
		// this one can be initialized here easily
		for ( int i=0; i<AllActorClasses.Size(); i++ )
		{
			if ( AllActorClasses[i].GetClassName() != "RLMonster" ) continue;
			hasdrlamonsters = true;
			break;
		}
	}

	override void WorldTick()
	{
		LangRefresh();
		QueueMaintenance();
		if ( !mnotify && (level.maptime >= 5) )
		{
			mnotify = true;
			let ti = ThinkerIterator.Create("SWWMStats",Thinker.STAT_STATIC);
			SWWMStats s;
			while ( s = SWWMStats(ti.Next()) )
			{
				if ( !SWWMUtility.IsKnownMap() ) break;
				if ( s.myplayer != players[consoleplayer] ) continue;
				int clust = level.cluster;
				if ( SWWMUtility.IsEviternity() )
				{
					// we have to do some heavy lifting here because episodes don't match clusters
					if ( level.levelnum <= 5 ) clust = 1;
					else if ( level.levelnum <= 10 ) clust = 2;
					else if ( level.levelnum <= 15 ) clust = 3;
					else if ( level.levelnum <= 20 ) clust = 4;
					else if ( level.levelnum <= 25 ) clust = 5;
					else if ( level.levelnum <= 30 ) clust = 6;
					else if ( level.levelnum <= 31 ) clust = 7;
					else if ( level.levelnum <= 32 ) clust = 8;
				}
				int csiz = s.clustervisit.Size();
				if ( (csiz > 0) && (s.clustervisit[csiz-1] != clust) )
					Console.Printf(StringTable.Localize("$SWWM_NEWMISSION"));
			}
		}
		OnelinerTick();
		FlashTick();
		ItemCountTrack();
		CombatTrack();
		OneHundredPercentCheck();
		SimpleTracking();
		VanillaBossTick();
	}

	override void PostUiTick()
	{
		OnelinerUITick();
		FlashUITick();
		VanillaBossUITick();
	}

	override void WorldLinePreActivated( WorldEvent e )
	{
		// oneliner on locked doors
		if ( !e.Thing ) return;
		int locknum = SWWMUtility.GetLineLock(e.ActivatedLine);
		if ( (locknum < 1) || (locknum > 255) ) return;
		if ( e.Thing.CheckLocalView() && !e.Thing.CheckKeys(locknum,false,true) )
		{
			if ( !lastlock || (gametic > lastlock+20) )
			{
				if ( SWWMUtility.IsValidLockNum(locknum) )
					lastlock = AddOneliner("locked",2);
				else lastlock = AddOneliner("jammed",2);
			}
		}
	}

	override void WorldLineActivated( WorldEvent e )
	{
		if ( !(e.ActivationType&SPAC_Use) ) return;
		if ( !e.Thing || !e.Thing.player ) return;
		let w = SWWMWeapon(e.Thing.player.ReadyWeapon);
		if ( !w || !w.wallponch ) return;
		let s = SWWMStats.Find(e.Thing.player);
		if ( s ) s.wponch++;
	}

	// stuff for hud
	override void RenderUnderlay( RenderEvent e )
	{
		// armor/health flashes
		FlashRender(e);
		if ( slotstrictwarn && (gametic < slotstrictwarn) )
		{
			String str = StringTable.Localize("$SWWM_SETSLOTSTRICT");
			double t = (slotstrictwarn-(gametic+e.FracTic))/20.;
			double alph = clamp(t,0.,1.);
			BrokenLines l = newsmallfont.BreakLines(str,300);
			double yy = (200-l.Count()*newsmallfont.GetHeight())/2;
			for ( int i=0; i<l.Count(); i++ )
			{
				double xx = (320-l.StringWidth(i))/2;
				Screen.DrawText(newsmallfont,Font.CR_UNTRANSLATED,xx,yy,l.StringAt(i),DTA_Clean,true,DTA_Alpha,alph);
				yy += newsmallfont.GetHeight();
			}
		}
		// weapon underlays
		if ( players[consoleplayer].ReadyWeapon is 'SWWMWeapon' )
			SWWMWeapon(players[consoleplayer].ReadyWeapon).RenderUnderlay(e);
		if ( !statusbar || !(statusbar is 'SWWMStatusBar') ) return;
		SWWMStatusBar(statusbar).viewpos = e.viewpos;
		SWWMStatusBar(statusbar).viewrot = (e.viewangle,e.viewpitch,e.viewroll);
	}

	// various shaders
	override void RenderOverlay( RenderEvent e )
	{
		CheatOverlay(e);
		RenderShaders(e);
	}
}