// internal "knowledge base" and more
Class SWWMKnowledgeBaseMenu : GenericMenu
{
	enum EDemoTab
	{
		TAB_MISSION = 0,
		TAB_STATS,
		TAB_INVENTORY,
		TAB_KEYS,
		TAB_LIBRARY,
		TAB_STORE,
		TAB_TRADING,
		TAB_CHAT,
		TAB_SECRET,
		TAB_HELP
	};

	TextureID MainWindow, TabSeparator, WindowSeparator, WindowSeparatorH,
		FancyBg, EasterEgg, LoreSeparator, LoreSeparatorW;
	transient CVar lang, fuzz;
	transient Font TewiFont, MPlusFont;
	int curtab, oldtab;
	// for scrolling
	bool sub;
	int sel0, sel1, sel2;
	int ofs0, ofs1, ofs2;	// usually equal to above, except when using mouse input
	int drag;	// when dragging with the mouse, which scroller to affect (1 = ofs0 and so on)
	// stats
	SWWMStats stats;
	// inventory lists
	Array<Inventory> invlist;
	// lore stuff
	SWWMLoreLibrary lorelib;
	Array<SWWMLore> lorelist;
	int oldloresiz;
	// store stuff
	Array<Class<Inventory> > storelist;
	Array<int> storeunits;
	// trading
	SWWMTradeHistory tradelib;
	Array<int> playerlist;
	// chat history total line count (includes breaks)
	int chatlines;
	// temporary bottom messages, such as "not enough money"
	String tmsg;
	int tmsgtic;
	// menu keybind
	int ikey[2];
	String mkey[2];
	// color for chat
	CVar ccol, tcol;
	// for checks (duh)
	Class<Inventory> lastuse;
	int lastuseamt;
	int checkuse;
	int checkdrop;
	int checksend;
	// seeeeecret
	int kcode;
	// crimey clock stuff
	int c_year, c_month, c_day, c_hour, c_minute;
	// mouse stuff
	Vector2 curmouse;
	bool isrclick;

	// returns MPlus if we're playing in Japanese, otherwise returns the requested font
	Font LangFont( Font req )
	{
		if ( !lang ) lang = CVar.GetCVar('language',players[consoleplayer]);
		if ( lang.GetString() ~== "jp" ) return MPlusFont;
		return req;
	}

	override void Init( Menu parent )
	{
		Super.Init(parent);
		if ( (gamestate != GS_LEVEL) || (players[consoleplayer].Health <= 0) )
		{
			// can't open this menu outside of the game or if dead
			Close();
			return;
		}
		TewiFont = Font.GetFont('TewiShaded');
		MPlusFont = Font.GetFont('MPlusShaded');
		FancyBg = TexMan.CheckForTexture("graphics/tempbg.png",TexMan.Type_MiscPatch);
		MainWindow = TexMan.CheckForTexture("graphics/KBase/MainWindow.png",TexMan.Type_MiscPatch);
		TabSeparator = TexMan.CheckForTexture("graphics/KBase/TabSeparator.png",TexMan.Type_MiscPatch);
		WindowSeparator = TexMan.CheckForTexture("graphics/KBase/WindowSeparator.png",TexMan.Type_MiscPatch);
		WindowSeparatorH = TexMan.CheckForTexture("graphics/KBase/WindowSeparatorH.png",TexMan.Type_MiscPatch);
		EasterEgg = TexMan.CheckForTexture("graphics/KBase/Drawing.png",TexMan.Type_MiscPatch);
		LoreSeparator = TexMan.CheckForTexture("graphics/KBase/LibraryTabSeparator.png",TexMan.Type_MiscPatch);
		LoreSeparatorW = TexMan.CheckForTexture("graphics/KBase/LibraryTabSeparatorJP.png",TexMan.Type_MiscPatch);
		curtab = CVar.GetCVar('swwm_lasttab',players[consoleplayer]).GetInt();
		int maxtab = multiplayer?TAB_CHAT:TAB_STORE;
		if ( (curtab < TAB_MISSION) || (curtab > maxtab) ) curtab = TAB_MISSION;
		if ( curtab == TAB_LIBRARY ) sel1 = CVar.GetCVar('swwm_lastloretab',players[consoleplayer]).GetInt();
		MenuSound("menu/demoopen");
		[ikey[0], ikey[1]] = Bindings.GetKeysForCommand("openmenu SWWMKnowledgeBaseMenu");
		mkey[0] = Bindings.NameKeys(ikey[0],0);
		mkey[1] = Bindings.NameKeys(ikey[1],0);
		ccol = CVar.GetCVar("msg3color",players[consoleplayer]);
		tcol = CVar.GetCVar("msg4color",players[consoleplayer]);
		lorelib = SWWMLoreLibrary.Find(players[consoleplayer]);
		oldloresiz = lorelib.ent.Size();
		tradelib = SWWMTradeHistory.Find(players[consoleplayer]);
		stats = SWWMStats.Find(players[consoleplayer]);
		tmsg = "$SWWM_MAINCONTROLS";
		tmsgtic = gametic+70;
		if ( gameinfo.gametype&GAME_Heretic )
		{
			c_year = 2171;
			c_month = 3;
			c_day = 9;
			c_hour = 9;
			c_minute = 41;
		}
		else if ( gameinfo.gametype&GAME_Hexen )
		{
			c_year = 2171;
			c_month = 4;
			c_day = 24;
			c_hour = 16;
			c_minute = 41;
		}
		else if ( gameinfo.gametype&GAME_Strife )
		{
			c_year = 2173;
			c_month = 7;
			c_day = 12;
			c_hour = 11;
			c_minute = 26;
		}
		else	// Doom
		{
			c_year = 2148;
			c_month = 5;
			c_day = 5;
			c_hour = 12;
			c_minute = 27;
		}
	}

	// please don't look at this
	private String CrimeTime()
	{
		static const int days_in_month[] = {31,28,31,30,31,30,31,31,30,31,30,31};
		bool leap_year;
		int y = c_year, m = c_month, d = c_day, h = c_hour, mn = c_minute;
		int addtime = level.totaltime/Thinker.TICRATE;
		while ( addtime > 0 )
		{
			leap_year = (!(y%4) && ((y%100) || !(y%400)));
			if ( addtime >= 86400 )
			{
				addtime -= 86400;
				d++;
				int md = days_in_month[m];
				if ( leap_year && (m == 1) ) md++;
				if ( d >= md )
				{
					d = 0;
					m++;
					if ( m > 11 )
					{
						m = 0;
						y++;
					}
				}
			}
			else if ( addtime >= 3600 )
			{
				addtime -= 3600;
				h++;
				if ( h > 23 )
				{
					h = 0;
					d++;
					int md = days_in_month[m];
					if ( leap_year && (m == 1) ) md++;
					if ( d >= md )
					{
						d = 0;
						m++;
						if ( m > 11 )
						{
							m = 0;
							y++;
						}
					}
				}
			}
			else if ( addtime >= 60 )
			{
				addtime -= 60;
				mn++;
				if ( mn > 59 )
				{
					mn = 0;
					h++;
					if ( h > 23 )
					{
						h = 0;
						d++;
						int md = days_in_month[m];
						if ( leap_year && (m == 1) ) md++;
						if ( d >= md )
						{
							d = 0;
							m++;
							if ( m > 11 )
							{
								m = 0;
								y++;
							}
						}
					}
				}
			}
			else
			{
				// we finished counting
				addtime = 0;
			}
		}
		return String.Format("%04d-%02d-%02d %02d:%02d",y,m+1,d+1,h,mn);
	}

	override bool MenuEvent( int mkey, bool fromcontroller )
	{
		Font fnt = LangFont(TewiFont);
		switch ( kcode )
		{
		case 0:
		case 1:
			if ( mkey == MKEY_UP ) kcode++;
			else kcode = 0;
			break;
		case 2:
		case 3:
			if ( mkey == MKEY_DOWN ) kcode++;
			else kcode = 0;
			break;
		case 4:
		case 6:
			if ( mkey == MKEY_LEFT ) kcode++;
			else kcode = 0;
			break;
		case 5:
		case 7:
			if ( mkey == MKEY_RIGHT ) kcode++;
			else kcode = 0;
			break;
		case 10:
			if ( mkey == MKEY_ENTER )
			{
				MenuSound("misc/secret");
				curtab = TAB_SECRET;
				sel0 = sel1 = sel2 = 0;
				ofs0 = ofs1 = ofs2 = 0;
				sub = false;
			}
		default:
			kcode = 0;
			break;
		}
		int maxtab = multiplayer?TAB_CHAT:TAB_STORE;
		switch ( mkey )
		{
		case MKEY_BACK:
			MenuSound("menu/democlose");
			Close();
			return true;
		case MKEY_PAGEUP:
			MenuSound("menu/demotab");
			if ( (curtab <= TAB_MISSION) || (curtab > maxtab) ) curtab = maxtab;
			else curtab--;
			CVar.GetCVar('swwm_lasttab',players[consoleplayer]).SetInt(curtab);
			sel0 = sel1 = sel2 = 0;
			ofs0 = ofs1 = ofs2 = 0;
			sub = false;
			invlist.Clear();
			lorelist.Clear();
			storelist.Clear();
			storeunits.Clear();
			playerlist.Clear();
			return true;
		case MKEY_PAGEDOWN:
			MenuSound("menu/demotab");
			if ( curtab < maxtab ) curtab++;
			else curtab = TAB_MISSION;
			CVar.GetCVar('swwm_lasttab',players[consoleplayer]).SetInt(curtab);
			sel0 = sel1 = sel2 = 0;
			ofs0 = ofs1 = ofs2 = 0;
			sub = false;
			invlist.Clear();
			lorelist.Clear();
			storelist.Clear();
			storeunits.Clear();
			playerlist.Clear();
			return true;
		case MKEY_DOWN:
			if ( curtab == TAB_HELP )
			{
				String str = StringTable.Localize("$SWWM_HELPTXT");
				if ( multiplayer ) str = str..StringTable.Localize("$SWWM_HELPTXT_MP");
				BrokenLines l = fnt.BreakLines(str,629);
				if ( l.Count() > 28 ) l = fnt.BreakLines(str,620);
				if ( (l.Count() > 28) && (sel0 < l.Count()-28) )
				{
					MenuSound("menu/demoscroll");
					sel0++;
				}
			}
			else if ( curtab == TAB_MISSION )
			{
				String str = StringTable.Localize("$SWWM_MISSION_NONE");
				if ( gameinfo.gametype&GAME_Doom ) str = StringTable.Localize("$SWWM_MISSION_DOOM");
				else if ( gameinfo.gametype&GAME_Heretic ) str = StringTable.Localize("$SWWM_MISSION_HERETIC");
				else if ( gameinfo.gametype&GAME_Hexen ) str = StringTable.Localize("$SWWM_MISSION_HEXEN");
				else if ( gameinfo.gametype&GAME_Strife ) str = StringTable.Localize(players[consoleplayer].logtext);
				BrokenLines l = fnt.BreakLines(str,629);
				if ( l.Count() > 28 ) l = fnt.BreakLines(str,620);
				if ( (l.Count() > 28) && (sel0 < l.Count()-28) )
				{
					MenuSound("menu/demoscroll");
					ofs0 = ++sel0;
				}
			}
			else if ( (curtab == TAB_CHAT) && (StatusBar is 'SWWMStatusBar') && (sel0 > 0) )
			{
				MenuSound("menu/demoscroll");
				ofs0 = --sel0;
			}
			else if ( (curtab == TAB_LIBRARY) && (lorelist.Size() > 1) )
			{
				if ( sub )
				{
					String str = StringTable.Localize(lorelist[sel0].text);
					int ofs = (lang.GetString()~=="jp")?212:132;
					if ( lorelist.Size() > 26 ) ofs += 8;
					BrokenLines l = fnt.BreakLines(str,635-ofs);
					if ( l.Count() > 28 ) l = fnt.BreakLines(str,626-ofs);
					if ( (l.Count() > 28) && (sel2 < l.Count()-28) )
					{
						MenuSound("menu/demoscroll");
						ofs2 = ++sel2;
					}
				}
				else
				{
					MenuSound("menu/demoscroll");
					if ( sel0 >= lorelist.Size()-1 ) ofs0 = sel0 = 0;
					else
					{
						sel0++;
						// update ofs so selection stays on-screen
						int ofs = max(ofs0-26,0);
						if ( sel0 < ofs ) ofs0 = sel0+26;
						else if ( sel0 > ofs+26 ) ofs0 = sel0;
					}
				}
			}
			else if ( ((curtab == TAB_INVENTORY) || (curtab == TAB_KEYS) || ((curtab == TAB_TRADING) && sub && (sel0 != -1))) && (invlist.Size() > 1) )
			{
				MenuSound("menu/demoscroll");
				ofs0 = ++sel0;
				if ( sel0 >= invlist.Size() ) ofs0 = sel0 = 0;
			}
			else if ( (curtab == TAB_STORE) && (storelist.Size() > 1) )
			{
				MenuSound("menu/demoscroll");
				ofs0 = ++sel0;
				if ( sel0 >= storelist.Size() ) ofs0 = sel0 = 0;
			}
			else if ( curtab == TAB_TRADING )
			{
				if ( !sub && (playerlist.Size() > 1) )
				{
					// scroll through player list
					MenuSound("menu/demoscroll");
					ofs0 = ++sel0;
					if ( sel0 >= playerlist.Size() ) ofs0 = sel0 = 0;
				}
				else if ( sub && (sel0 == -1) && (sel1 < tradelib.ent.Size()-28) )
				{
					// scroll through trading history
					MenuSound("menu/demoscroll");
					ofs1 = ++sel1;
				}
			}
			return true;
		case MKEY_UP:
			if ( (curtab == TAB_HELP) && (sel0 > 0) )
			{
				MenuSound("menu/demoscroll");
				ofs0 = --sel0;
			}
			else if ( (curtab == TAB_MISSION) && (sel0 > 0) )
			{
				MenuSound("menu/demoscroll");
				ofs0 = --sel0;
			}
			else if ( (curtab == TAB_CHAT) && (StatusBar is 'SWWMStatusBar') && (sel0 < SWWMStatusBar(StatusBar).FullHistory.Size()-1) )
			{
				MenuSound("menu/demoscroll");
				ofs0 = ++sel0;
			}
			else if ( (curtab == TAB_LIBRARY) && (lorelist.Size() > 1) )
			{
				if ( sub )
				{
					if ( sel2 > 0 )
					{
						MenuSound("menu/demoscroll");
						ofs2 = --sel2;
					}
				}
				else
				{
					MenuSound("menu/demoscroll");
					if ( sel0 <= 0 ) ofs0 = sel0 = lorelist.Size()-1;
					else
					{
						sel0--;
						// update ofs so selection stays on-screen
						int ofs = max(ofs0-26,0);
						if ( sel0 < ofs ) ofs0 = sel0+26;
						else if ( sel0 > ofs+26 ) ofs0 = sel0;
					}
				}
			}
			else if ( ((curtab == TAB_INVENTORY) || (curtab == TAB_KEYS) || ((curtab == TAB_TRADING) && sub && (sel0 != -1))) && (invlist.Size() > 1) )
			{
				MenuSound("menu/demoscroll");
				ofs0 = --sel0;
				if ( sel0 < 0 ) ofs0 = sel0 = invlist.Size()-1;
			}
			else if ( (curtab == TAB_STORE) && (storelist.Size() > 1) )
			{
				MenuSound("menu/demoscroll");
				ofs0 = --sel0;
				if ( sel0 < 0 ) ofs0 = sel0 = storelist.Size()-1;
			}
			else if ( curtab == TAB_TRADING )
			{
				if ( !sub && (playerlist.Size() > 1) )
				{
					// scroll through player list
					MenuSound("menu/demoscroll");
					ofs0 = --sel0;
					if ( sel0 < 0 ) ofs0 = sel0 = playerlist.Size()-1;
				}
				else if ( sub && (sel0 == -1) && (sel1 > 0) )
				{
					// scroll through trading history
					MenuSound("menu/demoscroll");
					ofs1 = --sel1;
				}
			}
			return true;
		case MKEY_RIGHT:
			if ( ((curtab == TAB_INVENTORY) || (curtab == TAB_KEYS) || ((curtab == TAB_TRADING) && sub && (sel0 != -1))) && (invlist.Size() > 21) )
			{
				int oldsel = sel0;
				ofs0 = sel0 += 22;
				if ( sel0 >= invlist.Size() ) ofs0 = sel0 = invlist.Size()-1;
				if ( sel0 != oldsel ) MenuSound("menu/demoscroll");
			}
			else if ( (curtab == TAB_STORE) && (storelist.Size() > 21) )
			{
				int oldsel = sel0;
				ofs0 = sel0 += 22;
				if ( sel0 >= storelist.Size() ) ofs0 = sel0 = storelist.Size()-1;
				if ( sel0 != oldsel ) MenuSound("menu/demoscroll");
			}
			else if ( curtab == TAB_LIBRARY )
			{
				MenuSound("menu/demoscroll");
				ofs0 = sel0 = 0;
				sub = false;
				ofs1 = ++sel1;
				if ( sel1 > LORE_LORE ) ofs1 = sel1 = LORE_ITEM;
				CVar.GetCVar('swwm_lastloretab',players[consoleplayer]).SetInt(sel1);
			}
			else if ( (curtab == TAB_TRADING) && !sub && (playerlist.Size() > 21) )	// lol is this ever going to happen
			{
				int oldsel = sel0;
				ofs0 = sel0 += 22;
				if ( sel0 >= playerlist.Size() ) ofs0 = sel0 = playerlist.Size()-1;
				if ( sel0 != oldsel ) MenuSound("menu/demoscroll");
			}
			return true;
		case MKEY_LEFT:
			if ( ((curtab == TAB_INVENTORY) || (curtab == TAB_KEYS) || ((curtab == TAB_TRADING) && sub && (sel0 != -1))) && (invlist.Size() > 21) && (sel0-22 >= 0) )
			{
				MenuSound("menu/demoscroll");
				ofs0 = sel0 -= 22;
			}
			else if ( (curtab == TAB_STORE) && (storelist.Size() > 21) && (sel0-22 >= 0) )
			{
				MenuSound("menu/demoscroll");
				ofs0 = sel0 -= 22;
			}
			else if ( curtab == TAB_LIBRARY )
			{
				MenuSound("menu/demoscroll");
				ofs0 = sel0 = 0;
				sub = false;
				ofs1 = --sel1;
				if ( sel1 < LORE_ITEM ) ofs1 = sel1 = LORE_LORE;
				CVar.GetCVar('swwm_lastloretab',players[consoleplayer]).SetInt(sel1);
			}
			else if ( (curtab == TAB_TRADING) && !sub && (playerlist.Size() > 21) && (sel0-22 >= 0) ) // lol is this ever going to happen
			{
				ofs0 = sel0 -= 22;
				MenuSound("menu/demoscroll");
			}
			return true;
		case MKEY_ENTER:
			if ( (curtab == TAB_INVENTORY) && (invlist.Size() > 0) && (sel0 < invlist.Size()) )
			{
				// can't use this
				if ( invlist[sel0] is 'Ammo' ) return true;
				lastuse = invlist[sel0].GetClass();
				lastuseamt = invlist[sel0].Amount;
				// don't check weapons (or the lamp)
				if ( !(invlist[sel0] is 'Weapon') && !(invlist[sel0] is 'SWWMLamp') )
					checkuse = gametic+(multiplayer?5:1);
				EventHandler.SendNetworkEvent(String.Format("swwmuseitem.%s",invlist[sel0].GetClassName()),consoleplayer);
			}
			else if ( (curtab == TAB_STORE) && (storelist.Size() > 0) && (sel0 < storelist.Size()) )
			{
				let itm = GetDefaultByType(storelist[sel0]);
				let amt = storeunits[sel0];
				int price = int(itm.Stamina*(1.+.75*(amt-1)));
				if ( !SWWMCredits.CanTake(players[consoleplayer],price) )
				{
					MenuSound("menu/noinvuse");
					tmsg = StringTable.Localize("$SWWM_STOREMUNS");
					tmsgtic = gametic+70;
					return true;
				}
				let cur = players[consoleplayer].mo.FindInventory(storelist[sel0]);
				int camt, max;
				if ( cur )
				{
					camt = cur.Amount;
					max = cur.MaxAmount;
				}
				else
				{
					camt = 0;
					max = itm.MaxAmount;
				}
				if ( camt >= max )
				{
					MenuSound("menu/noinvuse");
					tmsg = StringTable.Localize("$SWWM_STOREFULL");
					tmsgtic = gametic+70;
					return true;
				}
				EventHandler.SendNetworkEvent(String.Format("swwmstoregive.%s",storelist[sel0].GetClassName()),consoleplayer,price,amt);
				if ( (camt+amt) >= max ) ofs1 = sel0 = max(0,sel0-1);
				MenuSound("menu/buyinv");
			}
			else if ( curtab == TAB_LIBRARY )
			{
				if ( sub )
				{
					MenuSound("menu/democlose");
					sub = false;
				}
				else if ( (lorelist.Size() > 0) && (sel0 < lorelist.Size()) )
				{
					// mark as read
					if ( !lorelist[sel0].read )
						EventHandler.SendNetworkEvent(String.Format("swwmmarkloreread.%s",lorelist[sel0].tag),consoleplayer);
					MenuSound("menu/demosel");
					sub = true;
					ofs2 = sel2 = 0;
				}
			}
			else if ( curtab == TAB_TRADING )
			{
				if ( !sub && (playerlist.Size() > 0) )
				{
					// pick a player
					MenuSound("menu/demosel");
					sub = true;
					ofs1 = sel1 = 0;
				}
				else if ( sub && (sel0 != -1) && (invlist.Size() > 0) )
				{
					// trade item
					lastuse = invlist[sel1].GetClass();
					lastuseamt = invlist[sel1].Amount;
					checksend = gametic+(multiplayer?5:1);
					EventHandler.SendNetworkEvent(String.Format("swwmtrade.%s",invlist[sel1].GetClassName()),consoleplayer,playerlist[sel0]);
				}
			}
			return true;
		case MKEY_CLEAR:
			if ( (curtab == TAB_INVENTORY) && (invlist.Size() > 0) )
			{
				lastuse = invlist[sel0].GetClass();
				lastuseamt = invlist[sel0].Amount;
				checkdrop = gametic+(multiplayer?5:1);
				EventHandler.SendNetworkEvent(String.Format("swwmdropitem.%s",invlist[sel0].GetClassName()),consoleplayer);
			}
			else if ( (curtab == TAB_LIBRARY) && sub )
			{
				MenuSound("menu/democlose");
				sub = false;
			}
			else if ( curtab == TAB_TRADING )
			{
				if ( !sub )
				{
					// open trading history
					MenuSound("menu/demosel");
					sub = true;
					ofs0 = sel0 = -1;
					ofs1 = sel1 = 0;
				}
				else if ( sub )
				{
					// go back
					MenuSound("menu/democlose");
					sub = false;
					ofs0 = sel0 = 0;
				}
			}
			return true;
		}
		return Super.MenuEvent(mkey,fromcontroller);
	}

	private int rnd( double num )
	{
		return int(num+((num<0)?-.5:.5));
	}

	override bool MouseEvent( int type, int mx, int my )
	{
		bool res = Super.MouseEvent(type,mx,my);
		Font fnt = LangFont(TewiFont);
		String str;
		double hs = max(min(floor(Screen.GetWidth()/640.),floor(Screen.GetHeight()/400.)),1.);
		Vector2 ss = (Screen.GetWidth(),Screen.GetHeight())/hs;
		Vector2 origin = (ss.x-640,ss.y-400)/2.;
		Vector2 mpos = (mx/hs,my/hs)-origin;
		int xx, yy, len;
		if ( type == MOUSE_Click )
		{
			if ( (mpos.x < 0) || (mpos.x >= 641) || (mpos.y < 0) || (mpos.y >= 386) ) return res;	// outside clickable area, ignore
			else if ( mpos.y < 14 )
			{
				if ( isrclick ) return res;
				// check which tab we're clicking
				static const string tabnames[] =
				{
					"$SWWM_MISSTAB", "$SWWM_STATTAB", "$SWWM_INVTAB", "$SWWM_KEYTAB",
					"$SWWM_KBASETAB", "$SWWM_STORETAB", "$SWWM_TRADETAB", "$SWWM_CHATTAB"
				};
				xx = 0;
				int maxtab = multiplayer?TAB_CHAT:TAB_STORE;
				for ( int i=TAB_MISSION; i<=maxtab; i++ )
				{
					len = fnt.StringWidth(tabnames[i])+6;
					if ( (mpos.x >= xx) && (mpos.x < xx+len) )
					{
						if ( curtab == i ) break;
						MenuSound("menu/demotab");
						curtab = i;
						CVar.GetCVar('swwm_lasttab',players[consoleplayer]).SetInt(curtab);
						sel0 = sel1 = sel2 = 0;
						ofs0 = ofs1 = ofs2 = 0;
						sub = false;
						invlist.Clear();
						lorelist.Clear();
						storelist.Clear();
						storeunits.Clear();
						playerlist.Clear();
						break;
					}
					xx += len;
				}
			}
			else if ( (curtab == TAB_MISSION) && !isrclick )
			{
				// are we clicking where the scrollbar should be?
				if ( mpos.x < 632 ) return res;
				String str = StringTable.Localize("$SWWM_MISSION_NONE");
				if ( gameinfo.gametype&GAME_Doom ) str = StringTable.Localize("$SWWM_MISSION_DOOM");
				else if ( gameinfo.gametype&GAME_Heretic ) str = StringTable.Localize("$SWWM_MISSION_HERETIC");
				else if ( gameinfo.gametype&GAME_Hexen ) str = StringTable.Localize("$SWWM_MISSION_HEXEN");
				else if ( gameinfo.gametype&GAME_Strife ) str = StringTable.Localize(players[consoleplayer].logtext);
				BrokenLines l = fnt.BreakLines(str,629);
				if ( l.Count() > 28 ) l = fnt.BreakLines(str,620);
				else return res;	// no scrollbar
				// calculate offset
				int szr = l.Count()-28;
				int step = clamp(rnd((mpos.y-24.)/(353./szr)),0,szr);
				if ( step != sel0 ) MenuSound("menu/demoscroll");
				ofs0 = sel0 = step;
				drag = 1;
			}
			else if ( curtab == TAB_INVENTORY )
			{
				// check what item we clicked
				if ( mpos.y < 377 )
				{
					if ( invlist.Size() <= 0 ) return res;	// clicked nothing
					int longest = 0, len;
					int maxcol, totalcol;
					for ( int i=0; i<invlist.Size(); i++ )
					{
						if ( !invlist[i] ) continue;
						if ( (invlist[i] is 'Ammo') || (invlist[i].Amount > 1) || (!(invlist[i] is 'PuzzleItem') && (invlist[i].MaxAmount > 1)) ) str = String.Format("%dx %s",invlist[i].Amount,invlist[i].GetTag());
						else str = invlist[i].GetTag();
						len = fnt.StringWidth(str);
						if ( len > longest ) longest = len;
					}
					maxcol = 622/(longest+24);
					totalcol = (invlist.Size()/22)+1;
					int ofs = int(max(0,(ofs0/22)-(maxcol-1))*22);
					xx = 9;
					yy = 23;
					int cols = 1;
					for ( int i=ofs; i<invlist.Size(); i++ )
					{
						if ( !invlist[i] ) continue;
						// check boundary
						if ( (mpos.x >= xx) && (mpos.x < xx+longest) && (mpos.y >= yy) && (mpos.y < yy+14) )
						{
							if ( sel0 != i ) MenuSound("menu/demoscroll");
							sel0 = i;
							ofs0 = (sel0/22)*22;
							// drop on right click in inventory tab
							if ( (curtab == TAB_INVENTORY) && isrclick ) MenuEvent(MKEY_CLEAR,false);
							else if ( !isrclick ) MenuEvent(MKEY_ENTER,false);
							return res;
						}
						yy += 16;
						if ( yy >= 370 )
						{
							xx += longest+24;
							yy = 23;
							cols++;
							if ( cols > maxcol ) break;
						}
					}
				}
				else if ( !isrclick )
				{
					// check that scrollbar is present
					if ( invlist.Size() <= 0 ) return res;	// definitely no scrollbar
					int longest = 0, len;
					int maxcol, totalcol;
					for ( int i=0; i<invlist.Size(); i++ )
					{
						if ( !invlist[i] ) continue;
						if ( (invlist[i] is 'Ammo') || (invlist[i].Amount > 1) || (!(invlist[i] is 'PuzzleItem') && (invlist[i].MaxAmount > 1)) ) str = String.Format("%dx %s",invlist[i].Amount,invlist[i].GetTag());
						else str = invlist[i].GetTag();
						len = fnt.StringWidth(str);
						if ( len > longest ) longest = len;
					}
					maxcol = 622/(longest+24);
					totalcol = (invlist.Size()/22)+1;
					if ( maxcol >= totalcol ) return res;	// no scrollbar
					// calculate offset
					int szr = totalcol-maxcol;
					int step = clamp(rnd((mpos.x-5.)/(630./szr)),0,szr);
					if ( step > 0 ) step += (maxcol-1);
					if ( step != (ofs0/22) ) MenuSound("menu/demoscroll");
					ofs0 = step*22;
					drag = 1;
				}
			}
			else if ( (curtab == TAB_TRADING) && sub && (sel0 != -1) )
			{
				// check what item we clicked
				if ( mpos.y < 377 )
				{
					if ( invlist.Size() <= 0 ) return res;	// clicked nothing
					int longest = 0, len;
					int maxcol, totalcol;
					for ( int i=0; i<invlist.Size(); i++ )
					{
						if ( !invlist[i] ) continue;
						if ( (invlist[i] is 'Ammo') || (invlist[i].Amount > 1) || (!(invlist[i] is 'PuzzleItem') && (invlist[i].MaxAmount > 1)) ) str = String.Format("%dx %s",invlist[i].Amount,invlist[i].GetTag());
						else str = invlist[i].GetTag();
						len = fnt.StringWidth(str);
						if ( len > longest ) longest = len;
					}
					maxcol = 622/(longest+24);
					totalcol = (invlist.Size()/22)+1;
					int ofs = int(max(0,(ofs1/22)-(maxcol-1))*22);
					xx = 9;
					yy = 23;
					int cols = 1;
					for ( int i=ofs; i<invlist.Size(); i++ )
					{
						if ( !invlist[i] ) continue;
						// check boundary
						if ( (mpos.x >= xx) && (mpos.x < xx+longest) && (mpos.y >= yy) && (mpos.y < yy+14) )
						{
							if ( sel1 != i ) MenuSound("menu/demoscroll");
							sel1 = i;
							ofs1 = (sel1/22)*22;
							// drop on right click in inventory tab
							if ( (curtab == TAB_INVENTORY) && isrclick ) MenuEvent(MKEY_CLEAR,false);
							else if ( !isrclick ) MenuEvent(MKEY_ENTER,false);
							return res;
						}
						yy += 16;
						if ( yy >= 370 )
						{
							xx += longest+24;
							yy = 23;
							cols++;
							if ( cols > maxcol ) break;
						}
					}
				}
				else if ( !isrclick )
				{
					// check that scrollbar is present
					if ( invlist.Size() <= 0 ) return res;	// definitely no scrollbar
					int longest = 0, len;
					int maxcol, totalcol;
					for ( int i=0; i<invlist.Size(); i++ )
					{
						if ( !invlist[i] ) continue;
						if ( (invlist[i] is 'Ammo') || (invlist[i].Amount > 1) || (!(invlist[i] is 'PuzzleItem') && (invlist[i].MaxAmount > 1)) ) str = String.Format("%dx %s",invlist[i].Amount,invlist[i].GetTag());
						else str = invlist[i].GetTag();
						len = fnt.StringWidth(str);
						if ( len > longest ) longest = len;
					}
					maxcol = 622/(longest+24);
					totalcol = (invlist.Size()/22)+1;
					if ( maxcol >= totalcol ) return res;	// no scrollbar
					// calculate offset
					int szr = totalcol-maxcol;
					int step = clamp(rnd((mpos.x-5.)/(630./szr)),0,szr);
					if ( step > 0 ) step += (maxcol-1);
					if ( step != (ofs0/22) ) MenuSound("menu/demoscroll");
					ofs0 = step*22;
					drag = 1;
				}
			}
			else if ( (curtab == TAB_KEYS) && !isrclick )
			{
				// check what item we clicked
				if ( mpos.y < 377 )
				{
					if ( invlist.Size() <= 0 ) return res;	// clicked nothing
					int longest = 0, len;
					int maxcol, totalcol;
					for ( int i=0; i<invlist.Size(); i++ )
					{
						if ( !invlist[i] ) continue;
						str = invlist[i].GetTag();
						len = fnt.StringWidth(str);
						if ( len > longest ) longest = len;
					}
					maxcol = 622/(longest+24);
					totalcol = (invlist.Size()/22)+1;
					int ofs = int(max(0,(ofs0/22)-(maxcol-1))*22);
					xx = 9;
					yy = 23;
					int cols = 1;
					for ( int i=ofs; i<invlist.Size(); i++ )
					{
						if ( !invlist[i] ) continue;
						// check boundary
						if ( (mpos.x >= xx) && (mpos.x < xx+longest) && (mpos.y >= yy) && (mpos.y < yy+14) )
						{
							if ( sel0 != i ) MenuSound("menu/demoscroll");
							sel0 = i;
							ofs0 = (sel0/22)*22;
							// do nothing, we just selected it
							return res;
						}
						yy += 16;
						if ( yy >= 370 )
						{
							xx += longest+24;
							yy = 23;
							cols++;
							if ( cols > maxcol ) break;
						}
					}
				}
				else if ( !isrclick )
				{
					// check that scrollbar is present
					if ( invlist.Size() <= 0 ) return res;	// definitely no scrollbar
					int longest = 0, len;
					int maxcol, totalcol;
					for ( int i=0; i<invlist.Size(); i++ )
					{
						if ( !invlist[i] ) continue;
						str = invlist[i].GetTag();
						len = fnt.StringWidth(str);
						if ( len > longest ) longest = len;
					}
					maxcol = 622/(longest+24);
					totalcol = (invlist.Size()/22)+1;
					if ( maxcol >= totalcol ) return res;	// no scrollbar
					// calculate offset
					int szr = totalcol-maxcol;
					int step = clamp(rnd((mpos.x-5.)/(630./szr)),0,szr);
					if ( step > 0 ) step += (maxcol-1);
					if ( step != (ofs0/22) ) MenuSound("menu/demoscroll");
					ofs0 = step*22;
					drag = 1;
				}
			}
			else if ( (curtab == TAB_STORE) && !isrclick )
			{
				// check what item we clicked
				if ( mpos.y < 377 )
				{
					if ( storelist.Size() <= 0 ) return res;	// clicked nothing
					xx = 9;
					yy = 23;
					int longest = 0, len;
					int maxcol, totalcol;
					for ( int i=0; i<storelist.Size(); i++ )
					{
						if ( !storelist[i] ) continue;
						let def = GetDefaultByType(storelist[i]);
						if ( storeunits[i] > 1 ) str = String.Format("%dx %s",storeunits[i],def.GetTag());
						else str = def.GetTag();
						len = fnt.StringWidth(str);
						if ( len > longest ) longest = len;
					}
					maxcol = 622/(longest+96);
					totalcol = (storelist.Size()/22)+1;
					// gotta check both the tag and the price for clicking
					int ofs = int(max(0,(ofs0/22)-(maxcol-1))*22);
					int cols = 1;
					for ( int i=ofs; i<storelist.Size(); i++ )
					{
						if ( !storelist[i] ) continue;
						// check boundary
						if ( (mpos.x >= xx) && (mpos.x < xx+longest+80) && (mpos.y >= yy) && (mpos.y < yy+14) )
						{
							if ( sel0 != i ) MenuSound("menu/demoscroll");
							sel0 = i;
							ofs0 = (sel0/22)*22;
							MenuEvent(MKEY_ENTER,false);
							return res;
						}
						yy += 16;
						if ( yy >= 370 )
						{
							xx += longest+96;
							yy = 23;
							cols++;
							if ( cols > maxcol ) break;
						}
					}
				}
				else if ( !isrclick )
				{
					// check that scrollbar is present
					if ( storelist.Size() <= 0 ) return res;	// definitely no scrollbar
					xx = 9;
					yy = 23;
					int longest = 0, len;
					int maxcol, totalcol;
					for ( int i=0; i<storelist.Size(); i++ )
					{
						if ( !storelist[i] ) continue;
						let def = GetDefaultByType(storelist[i]);
						if ( storeunits[i] > 1 ) str = String.Format("%dx %s",storeunits[i],def.GetTag());
						else str = def.GetTag();
						len = fnt.StringWidth(str);
						if ( len > longest ) longest = len;
					}
					maxcol = 622/(longest+96);
					totalcol = (storelist.Size()/22)+1;
					if ( maxcol >= totalcol ) return res;	// no scrollbar
					// calculate offset
					int szr = totalcol-maxcol;
					int step = clamp(rnd((mpos.x-5.)/(630./szr)),0,szr);
					if ( step > 0 ) step += (maxcol-1);
					if ( step != (ofs0/22) ) MenuSound("menu/demoscroll");
					ofs0 = step*22;
					drag = 1;
				}
			}
			else if ( (curtab == TAB_LIBRARY) && !isrclick )
			{
				double midp = (lang.GetString()~=="jp")?206:126;
				if ( mpos.x < midp )
				{
					if ( mpos.y < 28 )
					{
						// switch category
						if ( mpos.x < midp/2. ) MenuEvent(MKEY_LEFT,false);
						else MenuEvent(MKEY_RIGHT,false);
					}
					else
					{
						// check what item we clicked
						int xx = 3;
						int yy = 32;
						int ofs = max(0,ofs0-26);
						for ( int i=ofs; i<lorelist.Size(); i++ )
						{
							if ( yy > 370 ) break;
							// check boundary
							if ( (mpos.y >= yy) && (mpos.y < yy+14) )
							{
								if ( sel0 != i ) MenuSound("menu/demoscroll");
								if ( (sel0 != i) || !sub )
								{
									sel0 = i;
									sub = false;
									MenuEvent(MKEY_Enter,false);
								}
								return res;
							}
							yy += 13;
						}
					}
				}
				else if ( mpos.x < midp+8 )
				{
					// check that scrollbar is present
					if ( lorelist.Size() <= 27 ) return res;	// no scrollbar
					// calculate offset
					int szr = lorelist.Size()-27;
					int step = clamp(rnd((mpos.y-24.)/(353./szr)),0,szr);
					if ( step ) step += 26;
					if ( step != ofs0 ) MenuSound("menu/demoscroll");
					ofs0 = step;
					drag = 1;
				}
				else if ( sub && (mpos.x >= 632) )
				{
					// check that scrollbar is present
					str = StringTable.Localize(lorelist[sel0].text);
					int ofs = (lang.GetString()~=="jp")?212:132;
					if ( lorelist.Size() > 26 ) ofs += 8;
					BrokenLines l = fnt.BreakLines(str,635-ofs);
					if ( l.Count() > 28 ) l = fnt.BreakLines(str,626-ofs);
					else return res;	// no scrollbar
					// calculate offset
					int szr = l.Count()-28;
					int step = clamp(rnd((mpos.y-24.)/(353./szr)),0,szr);
					if ( step != sel2 ) MenuSound("menu/demoscroll");
					ofs2 = sel2 = step;
					drag = 3;
				}
			}
			else if ( (curtab == TAB_TRADING) && isrclick )
			{
				MenuEvent(MKEY_Back,false);
			}
			else if ( (curtab == TAB_TRADING) && !isrclick )
			{
				if ( !sub )
				{
					// check what item we clicked
					if ( mpos.y < 377 )
					{
						if ( playerlist.Size() <= 0 ) return res;	// clicked nothing
						int longest = 0, len;
						int maxcol, totalcol;
						for ( int i=0; i<playerlist.Size(); i++ )
						{
							str = players[playerlist[i]].GetUserName();
							len = fnt.StringWidth(str);
							if ( len > longest ) longest = len;
						}
						maxcol = 622/(longest+24);
						totalcol = (playerlist.Size()/22)+1;
						int ofs = int(max(0,(ofs0/22)-(maxcol-1))*22);
						xx = 9;
						yy = 23;
						int cols = 1;
						for ( int i=ofs; i<playerlist.Size(); i++ )
						{
							str = players[playerlist[i]].GetUserName();
							len = fnt.StringWidth(str);
							// check text boundary
							if ( (mpos.x >= xx) && (mpos.x < xx+len+1) && (mpos.y >= yy) && (mpos.y < yy+14) )
							{
								if ( sel0 != i ) MenuSound("menu/demoscroll");
								ofs0 = sel0 = i;
								MenuEvent(MKEY_Enter,false);
								return res;
							}
							yy += 16;
							if ( yy >= 370 )
							{
								xx += longest+24;
								yy = 23;
								cols++;
								if ( cols > maxcol ) break;
							}
						}
					}
					else if ( !isrclick )
					{
						// check that scrollbar is present (will it ever be???)
						if ( playerlist.Size() <= 0 ) return res;	// definitely no scrollbar
						int longest = 0, len;
						int maxcol, totalcol;
						for ( int i=0; i<playerlist.Size(); i++ )
						{
							str = players[playerlist[i]].GetUserName();
							len = fnt.StringWidth(str);
							if ( len > longest ) longest = len;
						}
						maxcol = 622/(longest+24);
						totalcol = (playerlist.Size()/22)+1;
						if ( maxcol >= totalcol ) return res;	// no scrollbar
						// calculate offset
						int szr = totalcol-maxcol;
						int step = clamp(rnd((mpos.x-5.)/(630./szr)),0,szr);
						if ( step > 0 ) step += (maxcol-1);
						if ( step != (ofs0/22) ) MenuSound("menu/demoscroll");
						ofs0 = step*22;
						drag = 1;
					}
				}
				else if ( sel0 == -1 )
				{
					// are we clicking where the scrollbar should be?
					if ( mpos.x < 632 ) return res;
					if ( tradelib.ent.Size() <= 28 ) return res;	// no scrollbar
					// calculate offset
					int szr = tradelib.ent.Size()-28;
					int step = clamp(rnd((mpos.y-24.)/(353./szr)),0,szr);
					if ( step != sel0 ) MenuSound("menu/demoscroll");
					ofs0 = sel0 = step;
					drag = 1;
				}
			}
			else if ( (curtab == TAB_CHAT) && !isrclick )
			{
				// are we clicking where the scrollbar should be?
				if ( mpos.x < 632 ) return res;
				let bar = SWWMStatusBar(StatusBar);
				if ( !bar || (bar.FullHistory.Size() <= 1) ) return res;	// no scrollbar
				// calculate offset
				int szr = bar.FullHistory.Size()-1;
				int step = szr-clamp(rnd((mpos.y-24.)/(353./szr)),0,szr);
				if ( step != sel0 ) MenuSound("menu/demoscroll");
				ofs0 = sel0 = step;
				drag = 1;
			}
			else if ( (curtab == TAB_HELP) && !isrclick )
			{
				// are we clicking where the scrollbar should be?
				if ( mpos.x < 632 ) return res;
				int k1, k2;
				[k1, k2] = bindings.GetKeysForCommand("openmenu SWWMKnowledgeBaseMenu");
				String kstr = bindings.NameKeys(k1,k2);
				str = String.Format(StringTable.Localize("$SWWM_HELPTXT"),kstr);
				BrokenLines l = fnt.BreakLines(str,629);
				if ( l.Count() > 28 ) l = fnt.BreakLines(str,620);
				else return res;	// no scrollbar
				// calculate offset
				int szr = l.Count()-28;
				int step = clamp(rnd((mpos.y-24.)/(353./szr)),0,szr);
				if ( step != sel0 ) MenuSound("menu/demoscroll");
				ofs0 = sel0 = step;
				drag = 1;
			}
		}
		else if ( (type == MOUSE_Move) && drag )	// scroll dragging
		{
			if ( curtab == TAB_MISSION )
			{
				String str = StringTable.Localize("$SWWM_MISSION_NONE");
				if ( gameinfo.gametype&GAME_Doom ) str = StringTable.Localize("$SWWM_MISSION_DOOM");
				else if ( gameinfo.gametype&GAME_Heretic ) str = StringTable.Localize("$SWWM_MISSION_HERETIC");
				else if ( gameinfo.gametype&GAME_Hexen ) str = StringTable.Localize("$SWWM_MISSION_HEXEN");
				else if ( gameinfo.gametype&GAME_Strife ) str = StringTable.Localize(players[consoleplayer].logtext);
				BrokenLines l = fnt.BreakLines(str,629);
				if ( l.Count() > 28 ) l = fnt.BreakLines(str,620);
				else return res;	// no scrollbar
				// calculate offset
				int szr = l.Count()-28;
				int step = clamp(rnd((mpos.y-24.)/(353./szr)),0,szr);
				if ( step != sel0 ) MenuSound("menu/demoscroll");
				ofs0 = sel0 = step;
			}
			else if ( (curtab == TAB_INVENTORY) || ((curtab == TAB_TRADING) && sub && (sel0 != -1)) )
			{
				// check that scrollbar is present
				if ( invlist.Size() <= 0 ) return res;	// definitely no scrollbar
				int longest = 0, len;
				int maxcol, totalcol;
				for ( int i=0; i<invlist.Size(); i++ )
				{
					if ( !invlist[i] ) continue;
					if ( (invlist[i] is 'Ammo') || (invlist[i].Amount > 1) || (!(invlist[i] is 'PuzzleItem') && (invlist[i].MaxAmount > 1)) ) str = String.Format("%dx %s",invlist[i].Amount,invlist[i].GetTag());
					else str = invlist[i].GetTag();
					len = fnt.StringWidth(str);
					if ( len > longest ) longest = len;
				}
				maxcol = 622/(longest+24);
				totalcol = (invlist.Size()/22)+1;
				if ( maxcol >= totalcol ) return res;	// no scrollbar
				// calculate offset
				int szr = totalcol-maxcol;
				int step = clamp(rnd((mpos.x-5.)/(630./szr)),0,szr);
				if ( step > 0 ) step += (maxcol-1);
				if ( step != (ofs0/22) ) MenuSound("menu/demoscroll");
				ofs0 = step*22;
			}
			else if ( curtab == TAB_KEYS )
			{
				// check that scrollbar is present
				if ( invlist.Size() <= 0 ) return res;	// definitely no scrollbar
				int longest = 0, len;
				int maxcol, totalcol;
				for ( int i=0; i<invlist.Size(); i++ )
				{
					if ( !invlist[i] ) continue;
					str = invlist[i].GetTag();
					len = fnt.StringWidth(str);
					if ( len > longest ) longest = len;
				}
				maxcol = 622/(longest+24);
				totalcol = (invlist.Size()/22)+1;
				if ( maxcol >= totalcol ) return res;	// no scrollbar
				// calculate offset
				int szr = totalcol-maxcol;
				int step = clamp(rnd((mpos.x-5.)/(630./szr)),0,szr);
				if ( step > 0 ) step += (maxcol-1);
				if ( step != (ofs0/22) ) MenuSound("menu/demoscroll");
				ofs0 = step*22;
			}
			else if ( curtab == TAB_STORE )
			{
				// check that scrollbar is present
				if ( storelist.Size() <= 0 ) return res;	// definitely no scrollbar
				xx = 9;
				yy = 23;
				int longest = 0, len;
				int maxcol, totalcol;
				for ( int i=0; i<storelist.Size(); i++ )
				{
					if ( !storelist[i] ) continue;
					let def = GetDefaultByType(storelist[i]);
					if ( storeunits[i] > 1 ) str = String.Format("%dx %s",storeunits[i],def.GetTag());
					else str = def.GetTag();
					len = fnt.StringWidth(str);
					if ( len > longest ) longest = len;
				}
				maxcol = 622/(longest+96);
				totalcol = (storelist.Size()/22)+1;
				if ( maxcol >= totalcol ) return res;	// no scrollbar
				// calculate offset
				int szr = totalcol-maxcol;
				int step = clamp(rnd((mpos.x-5.)/(630./szr)),0,szr);
				if ( step > 0 ) step += (maxcol-1);
				if ( step != (ofs0/22) ) MenuSound("menu/demoscroll");
				ofs0 = step*22;
			}
			else if ( curtab == TAB_LIBRARY )
			{
				if ( drag == 1 )
				{
					// check that scrollbar is present
					if ( lorelist.Size() <= 27 ) return res;	// no scrollbar
					// calculate offset
					int szr = lorelist.Size()-27;
					int step = clamp(rnd((mpos.y-24.)/(353./szr)),0,szr);
					if ( step ) step += 26;
					if ( step != ofs0 ) MenuSound("menu/demoscroll");
					ofs0 = step;
				}
				else if ( drag == 3 )
				{
					// check that scrollbar is present
					str = StringTable.Localize(lorelist[sel0].text);
					int ofs = (lang.GetString()~=="jp")?212:132;
					if ( lorelist.Size() > 26 ) ofs += 8;
					BrokenLines l = fnt.BreakLines(str,635-ofs);
					if ( l.Count() > 28 ) l = fnt.BreakLines(str,626-ofs);
					else return res;	// no scrollbar
					// calculate offset
					int szr = l.Count()-28;
					int step = clamp(rnd((mpos.y-24.)/(353./szr)),0,szr);
					if ( step != sel2 ) MenuSound("menu/demoscroll");
					ofs2 = sel2 = step;
				}
			}
			else if ( curtab == TAB_TRADING )
			{
				if ( !sub )
				{
					// check that scrollbar is present (will it ever be???)
					if ( playerlist.Size() <= 0 ) return res;	// definitely no scrollbar
					int longest = 0, len;
					int maxcol, totalcol;
					for ( int i=0; i<playerlist.Size(); i++ )
					{
						str = players[playerlist[i]].GetUserName();
						len = fnt.StringWidth(str);
						if ( len > longest ) longest = len;
					}
					maxcol = 622/(longest+24);
					totalcol = (invlist.Size()/22)+1;
					if ( maxcol >= totalcol ) return res;	// no scrollbar
					// calculate offset
					int szr = totalcol-maxcol;
					int step = clamp(rnd((mpos.x-5.)/(630./szr)),0,szr);
					if ( step > 0 ) step += (maxcol-1);
					if ( step != (ofs0/22) ) MenuSound("menu/demoscroll");
					ofs0 = step*22;
				}
				else if ( sel0 == -1 )
				{
					if ( tradelib.ent.Size() <= 28 ) return res;	// no scrollbar
					// calculate offset
					int szr = tradelib.ent.Size()-28;
					int step = clamp(rnd((mpos.y-24.)/(353./szr)),0,szr);
					if ( step != sel0 ) MenuSound("menu/demoscroll");
					ofs0 = sel0 = step;
				}
			}
			else if ( curtab == TAB_CHAT )
			{
				let bar = SWWMStatusBar(StatusBar);
				if ( !bar || (bar.FullHistory.Size() <= 1) ) return res;	// no scrollbar
				// calculate offset
				int szr = bar.FullHistory.Size()-1;
				int step = szr-clamp(rnd((mpos.y-24.)/(353./szr)),0,szr);
				if ( step != sel0 ) MenuSound("menu/demoscroll");
				ofs0 = sel0 = step;
			}
			else if ( curtab == TAB_HELP )
			{
				int k1, k2;
				[k1, k2] = bindings.GetKeysForCommand("openmenu SWWMKnowledgeBaseMenu");
				String kstr = bindings.NameKeys(k1,k2);
				str = String.Format(StringTable.Localize("$SWWM_HELPTXT"),kstr);
				BrokenLines l = fnt.BreakLines(str,629);
				if ( l.Count() > 28 ) l = fnt.BreakLines(str,620);
				else return res;	// no scrollbar
				// calculate offset
				int szr = l.Count()-28;
				int step = clamp(rnd((mpos.y-24.)/(353./szr)),0,szr);
				if ( step != sel0 ) MenuSound("menu/demoscroll");
				ofs0 = sel0 = step;
			}
		}
		else if ( type == MOUSE_Release ) drag = 0;	// stop dragging any active scrolls
		return res;
	}

	private bool CmpInventory( Inventory a, Inventory b )
	{
		int ta = 0, tb = 0;
		if ( a is 'Weapon' ) ta = 2;
		else if ( (a is 'Ammo') || (a is 'BackpackItem') || (a is 'HammerspaceEmbiggener') ) ta = 3;
		else if ( (a is 'PowerupGiver') || (a is 'AmmoFabricator') || a.bBIGPOWERUP ) ta = -3;
		else if ( (a is 'Health') || (a is 'HealthPickup') || (a is 'SWWMHealth') ) ta = -2;
		else if ( (a is 'Armor') || (a is 'SWWMSpareArmor') ) ta = -1;
		else if ( a is 'PuzzleItem' ) ta = 1;
		if ( b is 'Weapon' ) tb = 2;
		else if ( (b is 'Ammo') || (b is 'BackpackItem') || (b is 'HammerspaceEmbiggener') ) tb = 3;
		else if ( (b is 'PowerupGiver') || (b is 'AmmoFabricator') || b.bBIGPOWERUP ) tb = -3;
		else if ( (b is 'Health') || (b is 'HealthPickup') || (b is 'SWWMHealth') ) tb = -2;
		else if ( (b is 'Armor') || (b is 'SWWMSpareArmor') ) tb = -1;
		else if ( b is 'PuzzleItem' ) tb = 1;
		return ta > tb;
	}

	private bool CmpInventoryClass( Class<Inventory> a, Class<Inventory> b )
	{
		int ta = 0, tb = 0;
		let da = GetDefaultByType(a);
		let db = GetDefaultByType(b);
		if ( a is 'Weapon' ) ta = 2;
		else if ( a is 'Ammo' ) ta = 1;
		else if ( (a is 'PowerupGiver') || (a is 'AmmoFabricator') || da.bBIGPOWERUP ) ta = 3;
		else if ( (a is 'Health') || (a is 'HealthPickup') || (a is 'SWWMHealth') ) ta = 5;
		else if ( (a is 'Armor') || (a is 'SWWMSpareArmor') ) ta = 4;
		if ( b is 'Weapon' ) tb = 2;
		else if ( b is 'Ammo' ) tb = 1;
		else if ( (b is 'PowerupGiver') || (b is 'AmmoFabricator') || db.bBIGPOWERUP ) tb = 3;
		else if ( (b is 'Health') || (b is 'HealthPickup') || (b is 'SWWMHealth') ) tb = 5;
		else if ( (b is 'Armor') || (b is 'SWWMSpareArmor') ) tb = 4;
		return ta <= tb;
	}

	private int partition_inventory( Array<Inventory> a, int l, int h )
	{
		Inventory pv = a[h];
		int i = (l-1);
		for ( int j=l; j<=(h-1); j++ )
		{
			if ( CmpInventory(pv,a[j]) )
			{
				i++;
				Inventory tmp = a[j];
				a[j] = a[i];
				a[i] = tmp;
			}
		}
		Inventory tmp = a[h];
		a[h] = a[i+1];
		a[i+1] = tmp;
		return i+1;
	}
	private void qsort_inventory( Array<Inventory> a, int l, int h )
	{
		if ( l >= h ) return;
		int p = partition_inventory(a,l,h);
		qsort_inventory(a,l,p-1);
		qsort_inventory(a,p+1,h);
	}

	private int partition_store( Array<Class<Inventory> > a, Array<int> b, int l, int h )
	{
		Class<Inventory> pv = a[h];
		int i = (l-1);
		for ( int j=l; j<=(h-1); j++ )
		{
			if ( CmpInventoryClass(pv,a[j]) )
			{
				i++;
				Class<Inventory> tmp = a[j];
				a[j] = a[i];
				a[i] = tmp;
				int tmpi = b[j];
				b[j] = b[i];
				b[i] = tmpi;
			}
		}
		Class<Inventory> tmp = a[h];
		a[h] = a[i+1];
		a[i+1] = tmp;
		int tmpi = b[h];
		b[h] = b[i+1];
		b[i+1] = tmpi;
		return i+1;
	}
	private void qsort_store( Array<Class<Inventory> > a, Array<int> b, int l, int h )
	{
		if ( l >= h ) return;
		int p = partition_store(a,b,l,h);
		qsort_store(a,b,l,p-1);
		qsort_store(a,b,p+1,h);
	}

	override void Ticker()
	{
		Super.Ticker();
		if ( players[consoleplayer].Health <= 0 )
		{
			// ded
			Close();
			return;
		}
		if ( !multiplayer && ((curtab == TAB_TRADING) || (curtab == TAB_CHAT)) )
		{
			MenuSound("menu/demotab");
			curtab = TAB_MISSION;
			CVar.GetCVar('swwm_lasttab',players[consoleplayer]).SetInt(curtab);
			sel0 = sel1 = sel2 = 0;
			ofs0 = ofs1 = ofs2 = 0;
			sub = false;
			invlist.Clear();
			lorelist.Clear();
			storelist.Clear();
			storeunits.Clear();
			playerlist.Clear();
		}
		if ( curtab == TAB_INVENTORY )
		{
			invlist.Clear();
			// alphabetically sorted inventory
			for ( Inventory inv=players[consoleplayer].mo.Inv; inv; inv=inv.Inv )
			{
				if ( (inv.Amount <= 0) || !inv.SpawnState.ValidateSpriteFrame() || (inv is 'Key') || (inv is 'BasicArmor') || (inv is 'HexenArmor') || (inv is 'Powerup') || (inv is 'SWWMArmor') || (inv is 'SWWMGesture') || (!(inv is 'Ammo') && !(inv is 'Weapon') && !inv.bINVBAR) && !(inv is 'HammerspaceEmbiggener') && !(inv is 'SWWMCollectable') ) continue;
				String tag = inv.GetTag();
				bool greater = false;
				for ( int i=0; i<invlist.Size(); i++ )
				{
					String tag2 = invlist[i].GetTag();
					if ( tag > tag2 ) continue;
					greater = true;
					invlist.Insert(i,inv);
					break;
				}
				if ( greater ) continue;
				invlist.Push(inv);
			}
			// re-sort by category
			qsort_inventory(invlist,0,invlist.Size()-1);
		}
		else if ( curtab == TAB_KEYS )
		{
			invlist.Clear();
			// keys sorted by their index
			int n = Key.GetKeyTypeCount();
			for ( int i=0; i<n; i++ )
			{
				let k = Key(players[consoleplayer].mo.FindInventory(Key.GetKeyType(i)));
				if ( k ) invlist.Push(k);
			}
		}
		else if ( curtab == TAB_STORE )
		{
			storelist.Clear();
			storeunits.Clear();
			// price-sorted buyables
			for ( int i=0; i<AllActorClasses.Size(); i++ )
			{
				let type = (Class<Inventory>)(AllActorClasses[i]);
				if ( !type ) continue;
				// no fabricators outside of hexen
				if ( !(gameinfo.gametype&GAME_Hexen) && (type is 'AmmoFabricator') ) continue;
				// skip maxed items
				let cur = players[consoleplayer].mo.FindInventory(type);
				if ( cur && (cur.Amount >= cur.MaxAmount) ) continue;
				// ignore ammo for weapons not owned
				bool notownedammo = false;
				if ( type is 'Ammo' )
				{
					notownedammo = true;
					let amo = (Class<Ammo>)(type);
					for ( Inventory inv=players[consoleplayer].mo.Inv; inv; inv=inv.inv )
					{
						if ( !(inv is 'Weapon') ) continue;
						if ( (Weapon(inv).AmmoType1 == amo) || (Weapon(inv).AmmoType2 == amo) )
						{
							notownedammo = false;
							break;
						}
						if ( (inv is 'SWWMWeapon') && SWWMWeapon(inv).UsesAmmo(amo) )
						{
							notownedammo = false;
							break;
						}
					}
				}
				if ( notownedammo ) continue;
				let inv = GetDefaultByType(type);
				// skip unimplemented weapons
				if ( type is 'Weapon' )
				{
					let ready = inv.FindState("Ready");
					if ( !ready || !ready.ValidateSpriteFrame() ) continue;
				}
				// ignore child ammos
				if ( (type is 'Ammo') && (type.GetParentClass() != 'Ammo') ) continue;
				if ( inv.Stamina <= 0 ) continue;
				int amt = inv.Amount;
				int price = int(inv.Stamina*(1.+.75*(amt-1)));
				if ( type is 'Ammo' )
				{
					int maxneed = cur.MaxAmount-cur.Amount;
					// get the largest affordable child pickup amount (that we need)
					for ( int j=0; j<AllActorClasses.Size(); j++ )
					{
						let type2 = (Class<Ammo>)(AllActorClasses[j]);
						if ( !type2 || (type2.GetParentClass() != type) ) continue;
						let inv2 = GetDefaultByType(type2);
						int cprice = int(inv.Stamina*(1.+.75*(inv2.Amount-1)));
						if ( (inv2.Amount > amt) && (inv2.Amount <= maxneed) && (cprice <= SWWMCredits.Get(players[consoleplayer])) )
						{
							price = cprice;
							amt = inv2.Amount;
						}
					}
				}
				// sort by unit price
				bool greater = false;
				for ( int j=0; j<storelist.Size(); j++ )
				{
					let inv2 = GetDefaultByType(storelist[j]);
					if ( inv.Stamina > inv2.Stamina ) continue;
					greater = true;
					storelist.Insert(j,type);
					storeunits.Insert(j,amt);
					break;
				}
				if ( greater ) continue;
				storelist.Push(type);
				storeunits.Push(amt);
			}
			// re-sort by category
			qsort_store(storelist,storeunits,0,storelist.Size()-1);
		}
		else if ( curtab == TAB_LIBRARY )
		{
			// remember last position/size
			SWWMLore oldone = null;
			int oldsiz = lorelist.Size();
			if ( lorelist.Size() > 0 ) oldone = lorelist[sel0];
			// lore lore lore
			lorelist.Clear();
			for ( int i=0; i<lorelib.ent.Size(); i++ )
			{
				if ( lorelib.ent[i].tab != sel1 ) continue;
				lorelist.Push(lorelib.ent[i]);
			}
			// readjust
			if ( oldone && (lorelist.Size() != oldsiz) )
			{
				int idx = lorelist.Find(oldone);
				if ( (idx > 0) && (idx < lorelist.Size()) )
					sel0 = idx;
				// update ofs so selection stays on-screen
				int ofs = max(ofs0-26,0);
				if ( sel0 < ofs ) ofs0 = sel0+26;
				else if ( sel0 > ofs+26 ) ofs0 = sel0;
			}
			// add "new entries" message
			if ( lorelib.ent.Size() != oldloresiz )
			{
				tmsg = StringTable.Localize("$SWWM_NEWLORE");
				tmsgtic = gametic+70;
			}
			oldloresiz = lorelib.ent.Size();
		}
		else if ( curtab == TAB_TRADING )
		{
			// build player list
			playerlist.Clear();
			for ( int i=0; i<MAXPLAYERS; i++ )
			{
				if ( !playeringame[i] || (i==consoleplayer) ) continue;
				playerlist.Push(i);
			}
			// build inventory list if open
			if ( sub && (sel0 != -1) )
			{
				invlist.Clear();
				// alphabetically sorted inventory
				for ( Inventory inv=players[consoleplayer].mo.Inv; inv; inv=inv.Inv )
				{
					if ( (inv.Amount <= 0) || !inv.SpawnState.ValidateSpriteFrame() || (inv is 'Key') || (inv is 'BasicArmor') || (inv is 'HexenArmor') || (inv is 'Powerup') || (inv is 'SWWMArmor') || (inv is 'SWWMGesture') || (!(inv is 'Ammo') && !(inv is 'Weapon') && !inv.bINVBAR) && !(inv is 'HammerspaceEmbiggener') && !(inv is 'SWWMCollectable') ) continue;
					String tag = inv.GetTag();
					bool greater = false;
					for ( int i=0; i<invlist.Size(); i++ )
					{
						String tag2 = invlist[i].GetTag();
						if ( tag > tag2 ) continue;
						greater = true;
						invlist.Insert(i,inv);
						break;
					}
					if ( greater ) continue;
					invlist.Push(inv);
				}
				// re-sort by category
				qsort_inventory(invlist,0,invlist.Size()-1);
			}
		}
		// check if use succeeded
		if ( checkuse && (gametic > checkuse) )
		{
			checkuse = 0;
			int amt = players[consoleplayer].mo.CountInv(lastuse);
			if ( amt == lastuseamt )
			{
				tmsg = StringTable.Localize("$SWWM_INVFAIL");
				tmsgtic = gametic+70;
				MenuSound("menu/noinvuse");
			}
			else
			{
				MenuSound(GetDefaultByType(lastuse).UseSound);
				if ( (amt == 0) && (sel0 >= invlist.Size()) )
					sel0 = max(0,sel0-1);
			}
		}
		// check if drop succeeded
		if ( checkdrop && (gametic > checkdrop) )
		{
			checkdrop = 0;
			int amt = players[consoleplayer].mo.CountInv(lastuse);
			if ( amt == lastuseamt )
			{
				tmsg = StringTable.Localize("$SWWM_INVNDROP");
				tmsgtic = gametic+70;
				MenuSound("menu/noinvuse");
			}
			else if ( (amt == 0) && (sel0 >= invlist.Size()) )
				sel0 = max(0,sel0-1);
		}
		// check if trade succeeded
		if ( checksend && (gametic > checksend) )
		{
			checksend = 0;
			int amt = players[consoleplayer].mo.CountInv(lastuse);
			if ( amt == lastuseamt )
			{
				tmsg = StringTable.Localize("$SWWM_TRADEFULL");
				tmsgtic = gametic+70;
				MenuSound("menu/noinvuse");
			}
			else
			{
				MenuSound("menu/demosel");
				if ( (amt == 0) && (sel1 >= invlist.Size()) )
					sel1 = max(0,sel1-1);
			}
		}
	}

	override bool OnUiEvent( UIEvent ev )
	{
		switch ( ev.type )
		{
		case UIEvent.Type_KeyDown:
			if ( ev.keychar == UiEvent.Key_F1 )
			{
				if ( curtab == TAB_HELP )
					curtab = oldtab;
				else
				{
					oldtab = curtab;
					curtab = TAB_HELP;
				}
				sel0 = sel1 = sel2 = 0;
				ofs0 = ofs1 = ofs2 = 0;
				sub = false;
				invlist.Clear();
				lorelist.Clear();
				storelist.Clear();
				storeunits.Clear();
				MenuSound("menu/demotab");
				return true;
			}
			switch ( kcode )
			{
			case 8:
				if ( ev.keystring ~== "B" )
					kcode++;
				else kcode = 0;
				break;
			case 9:
				if ( ev.keystring ~== "A" ) kcode++;
				else kcode = 0;
				break;
			default:
				kcode = 0;
				break;
			}
			if( (ikey[0] && (ev.keystring == mkey[0])) || (ikey[1] && (ev.keystring == mkey[1])) )
			{
				MenuSound("menu/democlose");
				Close();
				return true;
			}
			break;
		case UIEvent.Type_WheelDown:
			if ( (curtab == TAB_LIBRARY) && sub && (lorelist.Size() > 1) )
			{
				// special handling, need to check which side is being scrolled
				double hs = max(min(floor(Screen.GetWidth()/640.),floor(Screen.GetHeight()/400.)),1.);
				Vector2 ss = (Screen.GetWidth(),Screen.GetHeight())/hs;
				Vector2 origin = (ss.x-640,ss.y-400)/2.;
				Vector2 mpos = (curmouse/hs)-origin;
				double midp = (lang.GetString()~=="jp")?206:126;
				if ( ((lorelist.Size() > 27) && (mpos.x < midp+8)) || (mpos.x < midp) )
				{
					MenuSound("menu/democlose");
					sub = false;
				}
			}
			return MenuEvent(MKEY_DOWN,false);
			break;
		case UIEvent.Type_WheelUp:
			if ( (curtab == TAB_LIBRARY) && sub && (lorelist.Size() > 1) )
			{
				// special handling, need to check which side is being scrolled
				double hs = max(min(floor(Screen.GetWidth()/640.),floor(Screen.GetHeight()/400.)),1.);
				Vector2 ss = (Screen.GetWidth(),Screen.GetHeight())/hs;
				Vector2 origin = (ss.x-640,ss.y-400)/2.;
				Vector2 mpos = (curmouse/hs)-origin;
				double midp = (lang.GetString()~=="jp")?206:126;
				if ( ((lorelist.Size() > 27) && (mpos.x < midp+8)) || (mpos.x < midp) )
				{
					MenuSound("menu/democlose");
					sub = false;
				}
			}
			return MenuEvent(MKEY_UP,false);
			break;
		case UIEvent.Type_LButtonDown:
			isrclick = false;
			return Super.OnUIEvent(ev);
			break;
		case UIEvent.Type_RButtonDown:
			isrclick = true;
			// copy over what base menus do for L click
			int y = ev.MouseY;
			bool res = MouseEventBack(MOUSE_Click,ev.MouseX,y);
			if ( res ) y = -1;
			res |= MouseEvent(MOUSE_Click,ev.MouseX,y);
			if ( res ) SetCapture(true);
			return false;
			break;
		case UIEvent.Type_RButtonUp:
			// copy over what base menus do for L release
			if ( mMouseCapture )
			{
				SetCapture(false);
				int y = ev.MouseY;
				bool res = MouseEventBack(MOUSE_Release,ev.MouseX,y);
				if ( res ) y = -1;
				res |= MouseEvent(MOUSE_Release,ev.MouseX,y);
			}
			return false;
			break;
		case UIEvent.Type_MouseMove:
			// store coords
			curmouse = (ev.MouseX,ev.MouseY);
			break;
		}
		return Super.OnUIEvent(ev);
	}

	override void Drawer()
	{
		Super.Drawer();
		Font fnt = LangFont(TewiFont);
		String str;
		double hs;
		if ( (Screen.GetWidth() < 640) || (Screen.GetHeight() < 400) ) hs = max(min(floor(Screen.GetWidth()/320.),floor(Screen.GetHeight()/200.)),1.)/2.;
		else hs = max(min(floor(Screen.GetWidth()/640.),floor(Screen.GetHeight()/400.)),1.);
		Vector2 ss = (Screen.GetWidth(),Screen.GetHeight())/hs;
		Vector2 origin = (ss.x-640,ss.y-400)/2.;
		if ( !fuzz ) fuzz = CVar.GetCvar('swwm_fuzz',players[consoleplayer]);
		if ( fuzz.GetBool() )
			Screen.DrawTexture(FancyBg,false,origin.x,origin.y,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true,DTA_LegacyRenderStyle,STYLE_Add,DTA_Alpha,.5);
		Screen.DrawTexture(MainWindow,false,origin.x,origin.y,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
		// draw tabs
		double xx = 3, yy = 0;
		static const string tabnames[] =
		{
			"$SWWM_MISSTAB", "$SWWM_STATTAB", "$SWWM_INVTAB", "$SWWM_KEYTAB",
			"$SWWM_KBASETAB", "$SWWM_STORETAB", "$SWWM_TRADETAB", "$SWWM_CHATTAB",
			"$SWWM_SECRETTAB", "$SWWM_HELPTAB"
		};
		static const string ltabnames[] =
		{
			"$SWWM_LORETAB0", "$SWWM_LORETAB1", "$SWWM_LORETAB2"
		};
		int maxtab = multiplayer?TAB_CHAT:TAB_STORE;
		int mx = maxtab;
		if ( (curtab > TAB_CHAT) ) mx++;
		for ( int i=0; i<=mx; i++ )
		{
			str = StringTable.Localize(tabnames[(i>maxtab)?curtab:i]);
			Screen.DrawText(fnt,((i>maxtab)||(curtab==i))?Font.CR_FIRE:Font.CR_DARKGRAY,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			xx += fnt.StringWidth(str)+2;
			Screen.DrawTexture(TabSeparator,false,origin.x+xx,origin.y+yy,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			xx += 4;
		}
		int muns1, muns2;
		[muns1, muns2] = SWWMCredits.Get(players[consoleplayer]);
		str = "\cg¥\c-";
		if ( muns2 > 0 ) str.AppendFormat("%d",muns2);
		str.AppendFormat("%09d",muns1);
		xx = 637-TewiFont.StringWidth(str);
		Screen.DrawText(TewiFont,Font.CR_FIRE,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
		// draw bottom messages
		yy = 386;
		if ( gametic < tmsgtic ) str = StringTable.Localize(tmsg);
		else str = CrimeTime();
		xx = 4;
		Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
		str = "DemolitionOS v1.0";
		xx = 637-fnt.StringWidth(str);
		Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
		// draw contents
		if ( curtab == TAB_MISSION )
		{
			if ( gameinfo.gametype&GAME_Doom ) str = StringTable.Localize("$SWWM_MISSION_DOOM");
			else if ( gameinfo.gametype&GAME_Heretic ) str = StringTable.Localize("$SWWM_MISSION_HERETIC");
			else if ( gameinfo.gametype&GAME_Hexen ) str = StringTable.Localize("$SWWM_MISSION_HEXEN");
			else if ( gameinfo.gametype&GAME_Strife ) str = StringTable.Localize(players[consoleplayer].logtext);
			else str = StringTable.Localize("$SWWM_MISSION_NONE");
			BrokenLines l = fnt.BreakLines(str,629);
			if ( l.Count() > 28 ) l = fnt.BreakLines(str,620);
			xx = 6;
			yy = 17;
			int ofs = clamp(sel0,0,max(0,l.Count()-28));
			for ( int i=ofs; i<l.Count(); i++ )
			{
				if ( yy >= 370 ) break;
				Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,l.StringAt(i),DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
				yy += 13;
			}
			// scrollbar
			if ( l.Count() > 28 )
			{
				Screen.DrawTexture(WindowSeparator,false,origin.x+631,origin.y+14,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
				xx = 634;
				int szr = l.Count()-28;
				yy = floor(ofs*(353./szr))+17;
				Screen.DrawText(TewiFont,Font.CR_FIRE,origin.x+xx,origin.y+yy,"▮",DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			}
		}
		else if ( curtab == TAB_STATS )
		{
			xx = 9;
			yy = 23;
			// wish I could use macros for this
			int thour = ((level.totaltime-stats.lastspawn)/(3600*Thinker.TICRATE));
			int tmin = ((level.totaltime-stats.lastspawn)/(60*Thinker.TICRATE))%60;
			int tsec = ((level.totaltime-stats.lastspawn)/Thinker.TICRATE)%60;
			str = String.Format("\cx%s\c-%02d\cu:\c-%02d\cu:\c-%02d",StringTable.Localize("$SWWM_STATUPTIME"),thour,tmin,tsec);
			Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			yy += 16;
			if ( stats.grounddist > 32000. ) str = String.Format("\cx%s\c-%g\cukm\c-",StringTable.Localize("$SWWM_STATONFOOT"),stats.grounddist/32000.);
			else str = String.Format("\cx%s\c-%g\cum\c-",StringTable.Localize("$SWWM_STATONFOOT"),stats.grounddist/32.);
			Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			yy += 16;
			if ( stats.airdist > 32000. ) str = String.Format("\cx%s\c-%g\cukm\c-",StringTable.Localize("$SWWM_STATFLIGHT"),stats.airdist/32000.);
			else str = String.Format("\cx%s\c-%g\cum\c-",StringTable.Localize("$SWWM_STATFLIGHT"),stats.airdist/32.);
			Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			yy += 16;
			str = String.Format("\cx%s\c-%d",StringTable.Localize("$SWWM_STATBOOST"),stats.boostcount);
			Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			yy += 16;
			str = String.Format("\cx%s\c-%d",StringTable.Localize("$SWWM_STATDASH"),stats.dashcount);
			Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			yy += 16;
			str = String.Format("\cx%s\c-%d",StringTable.Localize("$SWWM_STATSTOMP"),stats.stompcount);
			Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			yy += 16;
			str = String.Format("\cx%s\c-%g\cul\c-",StringTable.Localize("$SWWM_STATFUEL"),stats.fuelusage/60.);
			Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			yy += 16;
			str = String.Format("\cx%s\c-%g\cukm/h\c-",StringTable.Localize("$SWWM_STATSPEED"),stats.topspeed*32000./(3600*Thinker.TICRATE));
			Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			yy += 16;
			thour = (stats.airtime/(3600*Thinker.TICRATE));
			tmin = (stats.airtime/(60*Thinker.TICRATE))%60;
			tsec = (stats.airtime/Thinker.TICRATE)%60;
			str = String.Format("\cx%s\c-%02d\cu:\c-%02d\cu:\c-%02d",StringTable.Localize("$SWWM_STATAIRTIME"),thour,tmin,tsec);
			Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			yy += 16;
			str = String.Format("\cx%s\c-%d",StringTable.Localize("$SWWM_STATKILLS"),stats.kills);
			Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			yy += 16;
			str = String.Format("\cx%s\c-%d",StringTable.Localize("$SWWM_STATDEATHS"),stats.deaths);
			Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			yy += 16;
			str = String.Format("\cx%s\c-%d",StringTable.Localize("$SWWM_STATDDEALT"),stats.damagedealt);
			Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			yy += 16;
			str = String.Format("\cx%s\c-%d",StringTable.Localize("$SWWM_STATDTAKEN"),stats.damagetaken);
			Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			yy += 16;
			str = String.Format("\cx%s\c-%d",StringTable.Localize("$SWWM_STATTDEALT"),stats.topdealt);
			Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			yy += 16;
			str = String.Format("\cx%s\c-%d",StringTable.Localize("$SWWM_STATTTAKEN"),stats.toptaken);
			Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			yy += 16;
			str = String.Format("\cx%s\c-%d",StringTable.Localize("$SWWM_STATMKILL"),stats.mkill);
			Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			yy += 16;
			str = String.Format("\cx%s\c-%d",StringTable.Localize("$SWWM_STATSKILL"),stats.skill);
			Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			yy += 16;
			str = String.Format("\cx%s\c-",StringTable.Localize("$SWWM_STATFAVWEAP"));
			if ( stats.favweapon == -1 ) str = str.."N/A";
			else
			{
				let def = GetDefaultByType(stats.wstats[stats.favweapon].w);
				str = str..def.GetTag();
			}
			Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			yy += 16;
			if ( stats.hhiscore > 0 ) str = String.Format("\cx%s\cu¥\c-%d%09d",StringTable.Localize("$SWWM_STATHISCORE"),stats.hhiscore,stats.hiscore);
			else str = String.Format("\cx%s\cu¥\c-%09d",StringTable.Localize("$SWWM_STATHISCORE"),stats.hiscore);
			Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			yy += 16;
		}
		else if ( (curtab == TAB_INVENTORY) || ((curtab == TAB_TRADING) && sub && (sel0 != -1)) )
		{
			if ( invlist.Size() <= 0 )
			{
				str = StringTable.Localize("$SWWM_NOINV");
				Screen.DrawText(fnt,Font.CR_FIRE,(ss.x-fnt.StringWidth(str))/2.,(ss.y-fnt.GetHeight())/2.,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
				return;
			}
			xx = 9;
			yy = 23;
			int longest, len;
			int maxcol, totalcol, cols = 1;
			// first pass, calculate longest item name
			for ( int i=0; i<invlist.Size(); i++ )
			{
				if ( !invlist[i] ) continue;
				if ( invlist[i] is 'Ammo' ) str = String.Format("(%d/%d) %s",invlist[i].Amount,invlist[i].MaxAmount,invlist[i].GetTag());
				else if ( (invlist[i].Amount > 1) || (!(invlist[i] is 'PuzzleItem') && (invlist[i].MaxAmount > 1)) ) str = String.Format("%dx %s",invlist[i].Amount,invlist[i].GetTag());
				else str = invlist[i].GetTag();
				len = fnt.StringWidth(str);
				if ( len > longest ) longest = len;
			}
			maxcol = 622/(longest+24);
			totalcol = (invlist.Size()/22)+1;
			int ofs = int(max(0,(ofs0/22)-(maxcol-1))*22);
			for ( int i=ofs; i<invlist.Size(); i++ )
			{
				if ( !invlist[i] ) continue;
				if ( invlist[i] is 'Ammo' ) str = String.Format("(%d/%d) %s",invlist[i].Amount,invlist[i].MaxAmount,invlist[i].GetTag());
				else if ( (invlist[i].Amount > 1) || (!(invlist[i] is 'PuzzleItem') && (invlist[i].MaxAmount > 1)) ) str = String.Format("%dx %s",invlist[i].Amount,invlist[i].GetTag());
				else str = invlist[i].GetTag();
				int clscol = Font.CR_WHITE;
				if ( invlist[i] is 'Weapon' ) clscol = Font.CR_GOLD;
				else if ( (invlist[i] is 'Ammo') || (invlist[i] is 'BackpackItem') || (invlist[i] is 'HammerspaceEmbiggener') ) clscol = Font.CR_BROWN;
				else if ( (invlist[i] is 'PowerupGiver') || (invlist[i] is 'AmmoFabricator') || invlist[i].bBIGPOWERUP ) clscol = Font.CR_PURPLE;
				else if ( (invlist[i] is 'Health') || (invlist[i] is 'HealthPickup') || (invlist[i] is 'SWWMHealth') ) clscol = Font.CR_RED;
				else if ( (invlist[i] is 'Armor') || (invlist[i] is 'SWWMSpareArmor') ) clscol = Font.CR_GREEN;
				else if ( invlist[i] is 'PuzzleItem' ) clscol = Font.CR_LIGHTBLUE;
				Screen.DrawText(fnt,clscol,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true,DTA_ColorOverlay,(i!=sel0)?Color(96,0,0,0):Color(0,0,0,0));
				yy += 16;
				if ( yy >= 370 )
				{
					xx += longest+24;
					yy = 23;
					cols++;
					if ( cols > maxcol ) break;
				}
			}
			if ( maxcol < totalcol )
			{
				// draw scrollbar
				int szr = totalcol-maxcol;
				xx = floor((ofs/22.)*(630./szr))+2.;
				Screen.DrawText(TewiFont,Font.CR_FIRE,origin.x+xx,origin.y+373,"▬",DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
				Screen.DrawTexture(WindowSeparatorH,false,origin.x,origin.y+377,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			}
		}
		else if ( curtab == TAB_KEYS )
		{
			if ( invlist.Size() <= 0 )
			{
				str = StringTable.Localize("$SWWM_NOKEYS");
				Screen.DrawText(fnt,Font.CR_FIRE,(ss.x-fnt.StringWidth(str))/2.,(ss.y-fnt.GetHeight())/2.,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
				return;
			}
			xx = 9;
			yy = 23;
			int longest = 0, len;
			int maxcol, totalcol, cols = 1;
			for ( int i=0; i<invlist.Size(); i++ )
			{
				if ( !invlist[i] ) continue;
				str = invlist[i].GetTag();
				len = fnt.StringWidth(str);
				if ( len > longest ) longest = len;
			}
			maxcol = 622/(longest+24);
			totalcol = (invlist.Size()/22)+1;
			int ofs = int(max(0,(ofs0/22)-(maxcol-1))*22);
			for ( int i=0; i<invlist.Size(); i++ )
			{
				if ( !invlist[i] ) continue;
				str = invlist[i].GetTag();
				Screen.DrawText(fnt,Font.CR_UNTRANSLATED,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true,DTA_ColorOverlay,(i!=sel0)?Color(96,0,0,0):Color(0,0,0,0));
				yy += 16;
				if ( yy >= 370 )
				{
					xx += longest+24;
					yy = 23;
					cols++;
					if ( cols > maxcol ) break;
				}
			}
			if ( maxcol < totalcol )
			{
				// draw scrollbar
				int szr = totalcol-maxcol;
				xx = floor((ofs/22.)*(630./szr))+2.;
				Screen.DrawText(TewiFont,Font.CR_FIRE,origin.x+xx,origin.y+373,"▬",DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
				Screen.DrawTexture(WindowSeparatorH,false,origin.x,origin.y+377,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			}
		}
		else if ( curtab == TAB_LIBRARY )
		{
			xx = 3;
			yy = 14;
			// draw the category
			int twidth = (lang.GetString()~=="jp")?200:120;
			str = StringTable.Localize(ltabnames[sel1]);
			Screen.DrawText(TewiFont,Font.CR_WHITE,origin.x+xx,origin.y+yy,"<",DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			Screen.DrawText(TewiFont,Font.CR_WHITE,origin.x+xx+twidth-6,origin.y+yy,">",DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			Screen.DrawText(fnt,Font.CR_FIRE,origin.x+xx+(twidth-fnt.StringWidth(str))/2,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			// draw "unread" indicators on sides
			int ltab = sel1-1;
			if ( ltab < 0 ) ltab = 2;
			int rtab = sel1+1;
			if ( rtab > 2 ) rtab = 0;
			bool lunread = false, runread = false;
			for ( int i=0; i<lorelib.ent.Size(); i++ )
			{
				if ( lorelib.ent[i].tab == ltab ) lunread |= !lorelib.ent[i].read;
				if ( lorelib.ent[i].tab == rtab ) runread |= !lorelib.ent[i].read;
			}
			if ( lunread ) Screen.DrawText(TewiFont,Font.CR_GOLD,origin.x+xx+6,origin.y+yy,"‼",DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			if ( runread ) Screen.DrawText(TewiFont,Font.CR_GOLD,origin.x+xx+twidth-12,origin.y+yy,"‼",DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			Screen.DrawTexture((lang.GetString()~=="jp")?LoreSeparatorW:LoreSeparator,false,origin.x,origin.y+27,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			yy += 18;
			// draw the current entries
			int ofs = max(0,ofs0-26);
			for ( int i=ofs; i<lorelist.Size(); i++ )
			{
				if ( yy > 370 ) break;
				str = StringTable.Localize(lorelist[i].tag);
				int len = fnt.StringWidth(str);
				Screen.DrawText(fnt,(i==sel0)?Font.CR_FIRE:Font.CR_WHITE,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
				if ( !lorelist[i].read )
					Screen.DrawText(TewiFont,Font.CR_GOLD,origin.x+xx+len,origin.y+yy," ‼",DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
				yy += 13;
			}
			xx += twidth+2;
			Screen.DrawTexture(WindowSeparator,false,origin.x+xx,origin.y+14,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			xx += 3;
			// scrollbar
			if ( lorelist.Size() > 27 )
			{
				int szr = lorelist.Size()-27;
				yy = floor((ofs)*(353./szr))+17;
				Screen.DrawText(TewiFont,Font.CR_FIRE,origin.x+xx,origin.y+yy,"▮",DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
				xx += 5;
				Screen.DrawTexture(WindowSeparator,false,origin.x+xx,origin.y+14,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
				xx += 3;
			}
			xx += 4;
			// draw the entry text (if open)
			if ( !sub )
			{
				str = StringTable.Localize("$SWWM_LOREUNSEL");
				Screen.DrawText(fnt,Font.CR_FIRE,origin.x+xx+((634-xx)-fnt.StringWidth(str))/2.,(ss.y-fnt.GetHeight())/2.,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
				return;
			}
			str = StringTable.Localize(lorelist[sel0].text);
			BrokenLines l = fnt.BreakLines(str,int(635-xx));
			if ( l.Count() > 28 ) l = fnt.BreakLines(str,int(626-xx));
			yy = 17;
			ofs = clamp(sel2,0,max(0,l.Count()-28));
			for ( int i=ofs; i<l.Count(); i++ )
			{
				if ( yy > 370 ) break;
				Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,l.StringAt(i),DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
				yy += 13;
			}
			// scrollbar
			if ( l.Count() > 28 )
			{
				Screen.DrawTexture(WindowSeparator,false,origin.x+631,origin.y+14,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
				xx = 634;
				int szr = l.Count()-28;
				yy = floor(ofs*(353./szr))+17;
				Screen.DrawText(TewiFont,Font.CR_FIRE,origin.x+xx,origin.y+yy,"▮",DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			}
		}
		else if ( curtab == TAB_STORE )
		{
			if ( storelist.Size() <= 0 )
			{
				str = StringTable.Localize("$SWWM_NOSTORE");
				Screen.DrawText(fnt,Font.CR_FIRE,(ss.x-fnt.StringWidth(str))/2.,(ss.y-fnt.GetHeight())/2.,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
				return;
			}
			// draw all the stuff in the store
			xx = 9;
			yy = 23;
			int longest = 0, len;
			int maxcol, totalcol;
			for ( int i=0; i<storelist.Size(); i++ )
			{
				if ( !storelist[i] ) continue;
				let def = GetDefaultByType(storelist[i]);
				if ( (storeunits[i] > 1) || (storelist[i] is 'Ammo') ) str = String.Format("%dx %s",storeunits[i],def.GetTag());
				else str = def.GetTag();
				len = fnt.StringWidth(str);
				if ( len > longest ) longest = len;
			}
			maxcol = 622/(longest+96);
			totalcol = (storelist.Size()/22)+1;
			int ofs = int(max(0,(ofs0/22)-(maxcol-1))*22);
			int cols = 1;
			for ( int i=ofs; i<storelist.Size(); i++ )
			{
				if ( !storelist[i] ) continue;
				let def = GetDefaultByType(storelist[i]);
				if ( (storeunits[i] > 1) || (storelist[i] is 'Ammo') ) str = String.Format("%dx %s",storeunits[i],def.GetTag());
				else str = def.GetTag();
				int clscol = Font.CR_WHITE;
				if ( storelist[i] is 'Weapon' ) clscol = Font.CR_GOLD;
				else if ( storelist[i] is 'Ammo' ) clscol = Font.CR_BROWN;
				else if ( (storelist[i] is 'PowerupGiver') || (storelist[i] is 'AmmoFabricator') || def.bBIGPOWERUP ) clscol = Font.CR_PURPLE;
				else if ( (storelist[i] is 'Health') || (storelist[i] is 'HealthPickup') || (storelist[i] is 'SWWMHealth') ) clscol = Font.CR_RED;
				else if ( (storelist[i] is 'Armor') || (storelist[i] is 'SWWMSpareArmor') ) clscol = Font.CR_GREEN;
				Screen.DrawText(fnt,clscol,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true,DTA_ColorOverlay,(i!=sel0)?Color(96,0,0,0):Color(0,0,0,0));
				yy += 16;
				if ( yy >= 370 )
				{
					xx += longest+96;
					yy = 23;
					cols++;
					if ( cols > maxcol ) break;
				}
			}
			xx = 9;
			yy = 23;
			cols = 1;
			for ( int i=ofs; i<storelist.Size(); i++ )
			{
				if ( !storelist[i] ) continue;
				let def = GetDefaultByType(storelist[i]);
				int price = int(def.Stamina*(1.+.75*(storeunits[i]-1)));
				str = String.Format("¥%d",price);
				len = TewiFont.StringWidth(str);
				int clscol = Font.CR_FIRE;
				if ( (price > muns1) && (muns2 <= 0) ) clscol = Font.CR_BLACK;
				Screen.DrawText(TewiFont,clscol,origin.x+xx+longest+80-len,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true,DTA_ColorOverlay,(i!=sel0)?Color(96,0,0,0):Color(0,0,0,0));
				yy += 16;
				if ( yy >= 370 )
				{
					xx += longest+96;
					yy = 23;
					cols++;
					if ( cols > maxcol ) break;
				}
			}
			if ( maxcol < totalcol )
			{
				// draw scrollbar
				int szr = totalcol-maxcol;
				xx = floor((ofs/22.)*(630./szr))+2.;
				Screen.DrawText(TewiFont,Font.CR_FIRE,origin.x+xx,origin.y+373,"▬",DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
				Screen.DrawTexture(WindowSeparatorH,false,origin.x,origin.y+377,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			}
		}
		else if ( curtab == TAB_TRADING )
		{
			if ( !sub )
			{
				if ( playerlist.Size() <= 0 )
				{
					str = StringTable.Localize("$SWWM_NOTRADE");
					Screen.DrawText(fnt,Font.CR_FIRE,(ss.x-fnt.StringWidth(str))/2.,(ss.y-fnt.GetHeight())/2.,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
					return;
				}
				xx = 9;
				yy = 23;
				int longest = 0, len;
				int ofs = int(floor(max(0,sel0-44)/22.)*22);
				int cols = 1;
				for ( int i=ofs; i<playerlist.Size(); i++ )
				{
					str = players[playerlist[i]].GetUserName();
					len = fnt.StringWidth(str);
					if ( len > longest ) longest = len;
					Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true,DTA_ColorOverlay,(i!=sel0)?Color(96,0,0,0):Color(0,0,0,0));
					yy += 16;
					if ( yy >= 370 )
					{
						xx += longest+24;
						yy = 23;
						longest = 0;
						cols++;
						if ( cols > 3 ) break;
					}
				}
				if ( playerlist.Size() > 65 )
				{
					// draw scrollbar
					int szr = (playerlist.Size()/22)-2;
					xx = floor((ofs/22)*(630./szr))+2;
					Screen.DrawText(TewiFont,Font.CR_FIRE,origin.x+xx,origin.y+373,"▬",DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
					Screen.DrawTexture(WindowSeparatorH,false,origin.x,origin.y+377,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
				}
			}
			else if ( sub )
			{
				if ( sel0 == -1 )
				{
					if ( tradelib.ent.Size() <= 0 )
					{
						str = StringTable.Localize("$SWWM_NOTRADEHIST");
						Screen.DrawText(fnt,Font.CR_FIRE,(ss.x-fnt.StringWidth(str))/2.,(ss.y-fnt.GetHeight())/2.,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
						return;
					}
					xx = 6;
					yy = 17;
					int ofs = clamp(sel1,0,max(0,tradelib.ent.Size()-28));
					for ( int i=ofs; i<tradelib.ent.Size(); i++ )
					{
						if ( yy >= 370 ) break;
						let ent = tradelib.ent[tradelib.ent.Size()-(i+1)];
						int thour = (ent.timestamp/(3600*Thinker.TICRATE));
						int tmin = (ent.timestamp/(60*Thinker.TICRATE))%60;
						int tsec = (ent.timestamp/Thinker.TICRATE)%60;
						str = String.Format("\cu[\cc%02d\cu:\cc%02d\cu:\cc%02d\cu]\c- ",thour,tmin,tsec);
						str.AppendFormat("\cd%s %s\cd: \cj%dx \cf%s\c-",ent.type?StringTable.Localize("$SWWM_TRADEFROM"):StringTable.Localize("$SWWM_TRADETO"),ent.other,ent.amt,GetDefaultByType(ent.what).GetTag());
						Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
						yy += 13;
					}
					// scrollbar
					if ( tradelib.ent.Size() > 28 )
					{
						Screen.DrawTexture(WindowSeparator,false,origin.x+631,origin.y+14,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
						xx = 634;
						int szr = tradelib.ent.Size()-28;
						yy = floor(ofs*(353./szr))+17;
						Screen.DrawText(TewiFont,Font.CR_FIRE,origin.x+xx,origin.y+yy,"▮",DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
					}
				}
			}
		}
		else if ( curtab == TAB_CHAT )
		{
			let bar = SWWMStatusBar(StatusBar);
			if ( !bar || (bar.FullHistory.Size() <= 0) )
			{
				str = StringTable.Localize("$SWWM_NOCHAT");
				Screen.DrawText(fnt,Font.CR_FIRE,(ss.x-fnt.StringWidth(str))/2.,(ss.y-fnt.GetHeight())/2.,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
				return;
			}
			int margin = TewiFont.StringWidth("[00:00:00] ");
			int ofs = bar.FullHistory.Size()-(1+sel0);
			xx = 3;
			yy = 379;
			for ( int i=ofs; i>=0; i-- )
			{
				int col = (bar.FullHistory[i].type==PRINT_TEAMCHAT)?tcol.GetInt():ccol.GetInt();
				int thour = (bar.FullHistory[i].tic/(3600*Thinker.TICRATE));
				int tmin = (bar.FullHistory[i].tic/(60*Thinker.TICRATE))%60;
				int tsec = (bar.FullHistory[i].tic/Thinker.TICRATE)%60;
				str = String.Format("\cu[\c-%02d\cu:\c-%02d\cu:\c-%02d\cu]\c- ",thour,tmin,tsec);
				BrokenLines l = fnt.BreakLines(bar.FullHistory[i].str,626-margin);
				double by = yy-13*l.Count();
				if ( by < 17 ) break;
				Screen.DrawText(TewiFont,Font.CR_WHITE,origin.x+xx,origin.y+by,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
				for ( int j=0; j<l.Count(); j++ )
					Screen.DrawText(fnt,col,origin.x+xx+margin,origin.y+by+j*13,l.StringAt(j),DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
				yy = by;
			}
			// scrollbar
			if ( bar.FullHistory.Size() > 1 )
			{
				Screen.DrawTexture(WindowSeparator,false,origin.x+631,origin.y+14,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
				xx = 634;
				int szr = bar.FullHistory.Size()-1;
				yy = floor((szr-sel0)*(353./szr))+17;
				Screen.DrawText(TewiFont,Font.CR_FIRE,origin.x+xx,origin.y+yy,"▮",DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			}
		}
		else if ( curtab == TAB_SECRET )
		{
			Screen.DrawTexture(EasterEgg,false,origin.x+20,origin.y+40,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			str = StringTable.Localize("$SWWM_TODEMO");
			Screen.DrawText(fnt,Font.CR_FIRE,origin.x+(640-fnt.StringWidth(str))/2.,origin.y+350,str,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
		}
		else if ( curtab == TAB_HELP )
		{
			// help tab
			int k1, k2;
			[k1, k2] = bindings.GetKeysForCommand("openmenu SWWMKnowledgeBaseMenu");
			String kstr = bindings.NameKeys(k1,k2);
			str = String.Format(StringTable.Localize("$SWWM_HELPTXT"),kstr);
			if ( multiplayer ) str = str..StringTable.Localize("$SWWM_HELPTXT_MP");
			BrokenLines l = fnt.BreakLines(str,629);
			if ( l.Count() > 28 ) l = fnt.BreakLines(str,620);
			xx = 6;
			yy = 17;
			int ofs = clamp(sel0,0,max(0,l.Count()-28));
			for ( int i=ofs; i<l.Count(); i++ )
			{
				if ( yy >= 370 ) break;
				Screen.DrawText(fnt,Font.CR_WHITE,origin.x+xx,origin.y+yy,l.StringAt(i),DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
				yy += 13;
			}
			// scrollbar
			if ( l.Count() > 28 )
			{
				Screen.DrawTexture(WindowSeparator,false,origin.x+631,origin.y+14,DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
				xx = 634;
				int szr = l.Count()-28;
				yy = floor(ofs*(353./szr))+17;
				Screen.DrawText(TewiFont,Font.CR_FIRE,origin.x+xx,origin.y+yy,"▮",DTA_VirtualWidthF,ss.x,DTA_VirtualHeightF,ss.y,DTA_KeepRatio,true);
			}
		}
	}
}