4char padding, do proper string concat on map..checksum

browser.lua

@@ -1,448 +0,0 @@
-local leaderboard = nil
-local maps
-local mapIndex = 1
-local scrollPos = 1
-local modes = nil
-local mode = 1
-local prefMode = nil
-
--- Imported functions -------
--- lb_common.lua
-local ZoneAct = lb_ZoneAct
-local TicsToTime = lb_TicsToTime
------------------------------
-
-local function mapIndexOffset(n)
-	return (mapIndex + n + #maps - 1) % #maps + 1
-end
-
-local function getMap(offset)
-	return maps[mapIndexOffset(offset or 0)]
-end
-
-local function updateModes()
-	-- set available modes for this map
-	modes = {}
-	for mode, scoreTable in pairs(leaderboard) do
-		if scoreTable[getMap()] then
-			table.insert(modes, mode)
-		end
-	end
-	table.sort(modes)
-
-	mode = 1
-	-- select pref mode
-	for i, m in ipairs(modes) do
-		if m == prefMode then
-			mode = i
-			break
-		end
-	end
-end
-
-local function updateMapIndex(n)
-	mapIndex = mapIndexOffset(n)
-	scrollPos = 1
-
-	updateModes()
-end
-
-local scalar = 2
-local hlfScrnWdth = 320 / 2
-local mappY = 26
-local ttlY = mappY + FixedMul(30, FRACUNIT / scalar)
-local scoresY =  ttlY + 16
-
-local function drawMapPatch(v, offset)
-	local scale = FRACUNIT / (abs(offset) + scalar)
-	local mapName = G_BuildMapName(getMap(offset))
-	local patchName = mapName.."P"
-	local mapp = v.patchExists(patchName) and v.cachePatch(patchName) or v.cachePatch("BLANKLVL")
-
-	local scaledWidth = FixedMul(mapp.width, scale)
-	local scaledHeight = FixedMul(mapp.height, scale)
-
-	v.drawScaled(
-		(hlfScrnWdth + offset * scaledWidth - scaledWidth / 2) * FRACUNIT,
-		(mappY - scaledHeight / 2) * FRACUNIT,
-		scale,
-		mapp
-	)
-end
-
-local colors = {
-	[0] = 0,
-	[1] = 215
-}
-local function drawMapBorder(v)
-	local mapWidth = FixedMul(160, FRACUNIT / scalar)
-	local mapHeight = FixedMul(100, FRACUNIT / scalar)
-	v.drawFill(
-		hlfScrnWdth - mapWidth / 2 - 1,
-		mappY - mapHeight / 2 -1,
-		mapWidth + 2,
-		mapHeight + 2,
-		colors[leveltime / 4 % 2]
-	)
-end
-
-local function drawMapStrings(v)
-	local map = mapheaderinfo[getMap()]
-	local titleWidth = v.stringWidth(map.lvlttl)
-
-	-- title
-	v.drawString(
-		hlfScrnWdth,
-		ttlY,
-		map.lvlttl,
-		V_SKYMAP,
-		"center"
-	)
-
-	-- zone/act
-	local zone = ZoneAct(map)
-	local zoneWidth = v.stringWidth(zone)
-	v.drawString(
-		hlfScrnWdth + titleWidth / 2,
-		ttlY + 8,
-		zone,
-		V_SKYMAP,
-		"right"
-	)
-
-	-- subtitle
-	v.drawString(
-		hlfScrnWdth + titleWidth / 2 - zoneWidth,
-		ttlY + 8,
-		map.subttl,
-		V_MAGENTAMAP,
-		"small-right"
-	)
-
-	-- hell
-	if map.menuflags & LF2_HIDEINMENU then
-		v.drawString(
-			300,
-			ttlY + 16,
-			"HELL",
-			V_REDMAP,
-			"right"
-		)
-	end
-end
-
-local F_SPBATK = 0x1
-local F_SPBJUS = 0x2
-local F_SPBBIG = 0x4
-local F_SPBEXP = 0x8
-local F_ENCORE = 0x80
-
-local function drawGamemode(v)
-	local m = modes[mode] or 0
-
-	local modeX = 20
-	local modeY = scoresY
-	local scale = FRACUNIT / 2
-
-	if m == 0 then
-		local clockp = v.cachePatch("K_LAPE02")
-		v.drawScaled(
-			modeX * FRACUNIT,
-			modeY * FRACUNIT,
-			scale,
-			clockp
-		)
-
-		v.drawString(
-			modeX,
-			modeY,
-			"Time Attack!"
-		)
-	elseif m & F_SPBATK then
-		local scaledHalf = FixedMul(50 * FRACUNIT, scale) / 2
-		local xoff = 0
-		if m & F_SPBBIG then
-			xoff = $ + scaledHalf
-		end
-		if m & F_SPBEXP then
-			xoff = $ + scaledHalf
-		end
-
-		if m & F_SPBBIG then
-			local growp = v.cachePatch("K_ITGROW")
-			v.drawScaled(
-				modeX * FRACUNIT - scaledHalf + xoff,
-				modeY * FRACUNIT - scaledHalf,
-				scale,
-				growp
-			)
-
-			xoff = $ - scaledHalf
-		end
-
-		if m & F_SPBEXP then
-			local invp = v.cachePatch("K_ITINV"..(leveltime / 6 % 7 + 1))
-			v.drawScaled(
-				modeX * FRACUNIT - scaledHalf + xoff,
-				modeY * FRACUNIT - scaledHalf,
-				scale,
-				invp
-			)
-		end
-
-		local spbp = v.cachePatch("K_ITSPB")
-		v.drawScaled(
-			modeX * FRACUNIT - scaledHalf,
-			modeY * FRACUNIT - scaledHalf,
-			scale,
-			spbp
-		)
-
-		v.drawString(
-			modeX,
-			modeY,
-			"SPB Attack!"
-		)
-	end
-end
-
-local function drawFlags(v, x, y, flags)
-	local nx = x * FRACUNIT
-	local ny = y * FRACUNIT + 2 * FRACUNIT
-	local margin = 4 * FRACUNIT
-	if flags & F_ENCORE then
-		local encp = v.cachePatch("RUBYICON")
-		v.drawScaled(
-			nx,
-			ny + 2 * FRACUNIT,
-			FRACUNIT / 5,
-			encp
-		)
-		nx = $ + margin
-	end
-	if flags & F_SPBATK then
-		local scale = FRACUNIT / 3
-		local shift = 6 * FRACUNIT
-		nx = $ - shift
-		ny = $ - shift
-		if flags & F_SPBJUS then
-			local hyup = v.cachePatch("K_ISHYUD")
-			v.drawScaled(nx, ny, scale, hyup)
-			nx = $ + margin
-		end
-		if flags & F_SPBBIG then
-			local growp = v.cachePatch("K_ISGROW")
-			v.drawScaled(nx - FRACUNIT / 2, ny, scale, growp)
-			nx = $ + margin
-		end
-		if flags & F_SPBEXP then
-			local invp = v.cachePatch("K_ISINV"..(leveltime / 6 % 6 + 1))
-			v.drawScaled(nx, ny, scale, invp)
-			nx = $ + margin
-		end
-	end
-end
-
-local function drawStats(v, x, y, skin, stats)
-	local s = skins[skin]
-	if not (s
-		and s.kartspeed == stats["speed"]
-		and s.kartweight == stats["weight"]
-		)
-		and stats then
-		v.drawString(x-2, y-2, stats["speed"], V_ALLOWLOWERCASE, "thin")
-		v.drawString(x + 13, y + 9, stats["weight"], V_ALLOWLOWERCASE, "thin") 
-	end
-end
-
--- draw in columns
--- pos, facerank, name, time, flags
--- ______________________________________________
--- | 3|[O]|InsertNameHere     | 01:02:03 | EXB |
--- ----------------------------------------------
--- defined are widths of each column, x value is calculated below
-local column = {
-	[1] = 18,   -- facerank, pos, drawNum is right aligned
-	[2] = 170,  -- name
-	[3] = 60, -- time
-	[4] = 0  -- flags
-}
-do
-	local w = 32 -- starting offset
-	local t
-	for i = 1, #column do
-		t = column[i]
-		column[i] = w
-		w = $ + t
-	end
-end
-
-local colorFlags = {
-	[0] = V_SKYMAP,
-	[1] = 0
-}
-local function drawScore(v, i, pos, score)
-	local y = scoresY + i * 18
-	local textFlag = colorFlags[pos%2]
-
-	-- position
-	v.drawNum(column[1], y, pos)
-
-	-- facerank
-	local skin = skins[score["skin"]]
-	local facerank = skin and v.cachePatch(skin.facerank) or v.cachePatch("M_NORANK")
-	v.draw(column[1], y, facerank, 0, v.getColormap("sonic", score["color"]))
-
-	-- stats
-	drawStats(v, column[1], y, score["skin"], score["stat"])
-	-- name
-	v.drawString(column[2], y, score["name"], V_ALLOWLOWERCASE | textFlag)
-	-- time
-	v.drawString(column[3], y, TicsToTime(score["time"]), textFlag)
-	-- flags
-	drawFlags(v, column[4], y, score["flags"])
-end
-
-local function drawBrowser(v)
-	if not leaderboard then return end
-
-	v.fadeScreen(0xFF00, 16)
-
-	-- previous, next maps
-	for i = 5, 1, -1 do
-		drawMapPatch(v, -i)
-		drawMapPatch(v, i)
-	end
-
-	-- draw map border
-	drawMapBorder(v)
-
-	-- current map
-	drawMapPatch(v, 0)
-	drawMapStrings(v)
-	drawGamemode(v)
-
-	if not modes then return end
-
-	local gamemode = leaderboard[modes[mode]]
-	if not gamemode then return end
-
-	local scoreTable = gamemode[getMap()]
-	if not scoreTable then return end
-
-	local scores = #scoreTable
-	scrollPos = max(min(scrollPos, scores - 3), 1)
-	local endi = min(scrollPos + 7, scores)
-	for i = scrollPos, endi do
-		drawScore(v, i - scrollPos + 1, i, scoreTable[i])
-	end
-end
-rawset(_G, "DrawBrowser", drawBrowser)
-
-local function initBrowser(lb)
-	leaderboard = lb
-
-	-- set mapIndex to current map
-	for i, m in ipairs(maps) do
-		if m == gamemap then
-			mapIndex = i
-			break
-		end
-	end
-
-	scrollPos = 1
-	updateModes()
-end
-rawset(_G, "InitBrowser", initBrowser)
-
--- initialize maps with racemaps only
-local function loadMaps()
-	maps = {}
-	local hell = {}
-	for i = 0, #mapheaderinfo do
-		local map = mapheaderinfo[i]
-		if map and map.typeoflevel & TOL_RACE then
-			if map.menuflags & LF2_HIDEINMENU then
-				table.insert(hell, i)
-			else
-				table.insert(maps, i)
-			end
-		end
-	end
-
-	-- append hell maps
-	for _, map in ipairs(hell) do
-		table.insert(maps, map)
-	end
-end
-addHook("MapLoad", loadMaps)
-
-local repeatCount = 0
-local keyRepeat = 0
-
-local function updateKeyRepeat()
-	S_StartSound(nil, 143)
-	if repeatCount < 1 then
-		keyRepeat = TICRATE / 4
-	else
-		keyRepeat = TICRATE / 15
-	end
-	repeatCount = $ + 1
-end
-
-local function resetKeyRepeat()
-	keyRepeat = 0
-	repeatCount = 0
-end
-
--- return value indicates we want to exit the browser
-local function controller(player)
-	keyRepeat = max(0, $ - 1)
-
-	if not (player.cmd.driftturn or player.cmd.buttons) then
-		resetKeyRepeat()
-	end
-
-	local cmd = player.cmd
-	if not keyRepeat then
-		if cmd.driftturn > 0 then
-			updateMapIndex(-1)
-			updateKeyRepeat()
-		elseif cmd.driftturn < 0 then
-			updateMapIndex(1)
-			updateKeyRepeat()
-		elseif cmd.buttons & BT_FORWARD then
-			scrollPos = $ - 1
-			updateKeyRepeat()
-		elseif cmd.buttons & BT_BACKWARD then
-			scrollPos = $ + 1
-			updateKeyRepeat()
-		elseif cmd.buttons & BT_DRIFT then
-			scrollPos = 1
-			if modes and #modes then
-				mode = $ % #modes + 1
-				prefMode = modes[mode]
-			end
-			updateKeyRepeat()
-		elseif cmd.buttons & BT_BRAKE then
-			S_StartSound(nil, 115)
-			return true
-		elseif cmd.buttons & BT_ACCELERATE then
-			S_StartSound(nil, 143)
-			COM_BufInsertText(player, "changelevel "..G_BuildMapName(maps[mapIndex]))
-			return true
-		end
-	end
-end
-rawset(_G, "BrowserController", controller)
-
-local function netvars(net)
-	maps = net($)
-	mapIndex = net($)
-	modes = net($)
-	mode = net($)
-	prefMode = net($)
-	scrollPos = net($)
-	leaderboard = net($)
-end
-addHook("NetVars", netvars)

lb_common.lua

@@ -1,26 +0,0 @@
-rawset(_G, "lb_TicsToTime", function(tics, pure)
-	if tics == 0 and pure then
-		return "-:--:--"
-	end
-
-	return string.format(
-		"%d:%02d:%02d",
-		G_TicsToMinutes(tics, true),
-		G_TicsToSeconds(tics),
-		G_TicsToCentiseconds(tics)
-	)
-end)
-
-rawset(_G, "lb_ZoneAct", function(map)
-	local z = ""
-	if map.zonttl != "" then
-		z = " " + map.zonttl
-	elseif not(map.levelflags & LF_NOZONE) then
-		z = " Zone"
-	end
-	if map.actnum != "" then
-		z = $ + " " + map.actnum
-	end
-
-	return z
-end)

leaderboard.lua

@@ -12,6 +12,7 @@ local splits = {}
 local PATCH = nil
 local help = true
 local EncoreInitial = nil
+local cv_teamchange
 local scoreTable
 
 
@@ -33,8 +34,8 @@ local RedFlash = {
 local StatTrack = false
 
 local UNCLAIMED = "Unclaimed Record"
-local HELP_MESSAGE = "\x89Leaderboard Commands:\nretry exit findmap changelevel spba_clearcheats lb_gui rival scroll encore records levelselect"
-local FILENAME = "leaderboard.txt"
+local HELP_MESSAGE = "\x89Leaderboard Commands:\nretry exit findmap changelevel spba_clearcheats lb_gui rival scroll encore"
+local FILENAME = "leaderboard"
 
 -- Retry / changelevel map
 local nextMap = nil
@@ -55,7 +56,6 @@ local clearcheats = false
 
 local START_TIME = 6 * TICRATE + (3 * TICRATE / 4) + 1
 local AFK_TIMEOUT = TICRATE * 5
-local AFK_BROWSER = TICRATE * 15
 local AFK_BALANCE = TICRATE * 60
 local AFK_BALANCE_WARN = AFK_BALANCE - TICRATE * 10
 local PREVENT_JOIN_TIME = START_TIME + TICRATE * 5
@@ -69,7 +69,6 @@ local DS_DEFAULT = 0x0
 local DS_SCROLL  = 0x1
 local DS_AUTO    = 0x2
 local DS_SCRLTO  = 0x4
-local DS_BROWSER = 0x8
 
 local drawState = DS_DEFAULT
 
@@ -87,24 +86,11 @@ local clamp
 
 local scroll_to
 
+local ticsToTime
+
 local allowJoin
-
--- Imported functions --
-
--- lb_common.lua
-local ticsToTime = lb_TicsToTime
-local zoneAct = lb_ZoneAct
-
--- browser.lua
-local InitBrowser = InitBrowser
-local DrawBrowser = DrawBrowser
-local BrowserController = BrowserController
 ---------------
 
--- cvars
-local cv_teamchange
-local cv_spbatk
-
 local cv_gui = CV_RegisterVar({
 	name = "lb_gui",
 	defaultvalue = GUI_ON,
@@ -164,15 +150,36 @@ local cv_interrupt = CV_RegisterVar({
 	end
 })
 
+local function djb2(message)
+	local digest = 5381
+	for c in message:gmatch(".") do
+		digest = (($ << 5) + $) + string.byte(c)
+	end
+
+	return digest
+end
+
+local function mapChecksum(mapnum)
+	local mh = mapheaderinfo[mapnum]
+	if not mh then
+		return nil
+	end
+
+	local digest = string.format("%04x", djb2(mh.lvlttl+mh.subttl+mh.zonttl))
+	return string.sub(digest, #digest - 3)
+end
+
 local function setST(t, map, flags, scoreTable)
 	local mode = flags & ST_SEP
+	local cks = mapChecksum(map)
 	t[mode] = t[mode] or {}
-	t[mode][map] = scoreTable
+	t[mode][tostring(map)..(cks or "")] = scoreTable
 end
 
 local function getST(t, map, flags)
 	local mode = flags & ST_SEP
-	return t[mode] and t[mode][map] or nil
+	local cks = mapChecksum(map)
+	return t[mode] and t[mode][tostring(map)..(cks or "")] or nil
 end
 
 local function setScoreTable(map, flags, scoreTable)
@@ -223,24 +230,20 @@ end
 local cv_spb_separate = CV_RegisterVar({
 	name = "lb_spb_combined",
 	defaultvalue = 1,
-	flags = CV_NETVAR | CV_CALL | CV_NOINIT,
+	flags = CV_NETVAR | CV_CALL,
 	PossibleValue = CV_YesNo,
 	func = function(v)
-		local curSep = ST_SEP
-
 		if v.value then
 			ST_SEP = F_SPBATK
 		else
 			ST_SEP = F_SPBATK | F_SPBBIG | F_SPBEXP
 		end
 
-		if curSep != ST_SEP then
 		reinit_lb()
 	end
-	end
 })
 
-local function score_t(map, name, skin, color, time, splits, flags, stat)
+local function score_t(map, name, skin, color, time, splits, flags, stat, checksum)
 	return {
 		["map"]    = map,
 		["name"]   = name,
@@ -249,7 +252,8 @@ local function score_t(map, name, skin, color, time, splits, flags, stat)
 		["time"]   = time,
 		["splits"] = splits,
 		["flags"]  = flags,
-		["stat"] = stat
+		["stat"] = stat,
+		["checksum"] = checksum
 	}
 end
 
@@ -271,12 +275,47 @@ local function stat_str(stat)
 	return "0"
 end
 
+local function writeScore(fh, score)
+	fh:write(
+		score["map"], "\t",
+		score["name"], "\t",
+		score["skin"], "\t",
+		score["color"], "\t",
+		score["time"], "\t",
+		table.concat(score["splits"], " "), "\t",
+		score["flags"], "\t",
+		stat_str(score["stat"]), "\t",
+		score["checksum"], "\n"
+	)
+end
+
+local function saveScores()
+	local f = assert(io.open(FILENAME + ".txt", "w"))
+	if f == nil then
+		print("Failed to open file for writing: " + FILENAME + ".txt")
+		return
+	end
+
+	for _, tbl in pairs(lb) do
+		for _, scoreTable in pairs(tbl) do
+			for _, score in ipairs(scoreTable) do
+				writeScore(f, score)
+			end
+		end
+	end
+
+	f:close()
+end
+
 -- Read the leaderboard
-local f = io.open(FILENAME, "r")
+local f = io.open(FILENAME + ".txt", "r")
 if f then
+	-- track if scores checksums have been written
+	local checksumWrite = false
+
 	for l in f:lines() do
 		-- Leaderboard is stored in the following tab separated format
-		-- mapnum, name, skin, color, time, splits, flags, stat
+		-- mapnum, name, skin, color, time, splits, flags, stat, map_checksum
 		local t = {}
 		for word in (l+"\t"):gmatch("(.-)\t") do
 			table.insert(t, word)
@@ -305,17 +344,41 @@ if f then
 			end
 		end
 
+		local mapnum = tonumber(t[1])
+
+		-- Checksums
+		local cks = t[9] 
+
+		if cks == nil then
+			checksumWrite = true
+			cks = mapChecksum(mapnum)
+
+			-- We have no previous recognition of this map
+			-- remove it
+			if cks == nil then
+				local rsfh = io.open(FILENAME + "_removed_scores.txt", "a")
+				if not rsfh then
+					print("Failed to open file: ", FILENAME + "_removed_scores.txt")
+					continue
+				end
+				rsfh:write(l, "\n")
+				rsfh:close()
+				continue
+			end
+		end
+
 		table.insert(
 			scoreTable,
 			score_t(
-				tonumber(t[1]),
+				mapnum,
 				t[2],
 				t[3],
 				t[4],
 				tonumber(t[5]),
 				spl,
 				flags,
-				stats
+				stats,
+				cks
 			)
 		)
 
@@ -324,8 +387,13 @@ if f then
 
 	sortScores()
 	f:close()
+
+	-- save scores
+	if checksumWrite then
+		saveScores()
+	end
 else
-	print("Failed to open file: ", FILENAME)
+	print("Failed to open file: ", FILENAME + ".txt")
 end
 
 function allowJoin(v)
@@ -385,12 +453,6 @@ end
 
 local function retry(player, ...)
 	if doyoudare(player) then
-		-- Verify valid race level
-		if not (mapheaderinfo[gamemap].typeoflevel & (TOL_SP | TOL_RACE)) then
-			CONS_Printf(player, "Battle maps are not supported")
-			return
-		end
-
 		-- Prevents bind crash
 		if leveltime < 20 then
 			return
@@ -407,27 +469,6 @@ local function exitlevel(player, ...)
 end
 COM_AddCommand("exit", exitlevel)
 
-local function initBrowser(player)
-	if not doyoudare(player) then return end
-
-	-- TODO: allow in battle
-	if mapheaderinfo[gamemap].typeoflevel & TOL_MATCH then
-		CONS_Printf(player, "Please exit battle first")
-		return
-	end
-
-	if not InitBrowser then
-		print("Browser is not loaded")
-		return
-	end
-
-	InitBrowser(lb)
-	drawState = DS_BROWSER
-
-	player.afkTime = leveltime
-end
-COM_AddCommand("levelselect", initBrowser)
-
 local function findMap(player, ...)
 	local search = ...
 
@@ -440,13 +481,28 @@ local function findMap(player, ...)
 	}
 	local lvltype, map, lvlttl
 
+	local zoneAct = function(zone, act, levelflags)
+		local z = ""
+		if zone != "" then
+			z = " " + zone
+		elseif not(levelflags & LF_NOZONE) then
+			z = " Zone"
+		end
+		if act != "" then
+			z = $ + " " + act
+		end
+
+		return z
+	end
+
+
 	for i = 1, #mapheaderinfo do
 		map = mapheaderinfo[i]
 		if map == nil then
 			continue
 		end
 
-		lvlttl = map.lvlttl + zoneAct(map)
+		lvlttl = map.lvlttl + zoneAct(map.zonttl, map.actnum, map.levelflags)
 
 		if not search or lvlttl:lower():find(search:lower()) then
 			-- Only care for up to TOL_MATCH (0x10)
@@ -473,129 +529,10 @@ local function findMap(player, ...)
 end
 COM_AddCommand("findmap", findMap)
 
-local function mapnumFromExtended(map)
-	local p, q = map:upper():match("MAP(%w)(%w)$", 1)
-	if not (p and q) then
-		return nil
+local function mapNotExists(player, map)
+	CONS_Printf(player, string.format("Map doesn't exist: %s", map:upper()))
 end
 
-	local mapnum = 0
-	local A = string.byte("A")
-
-	if tonumber(p) != nil then
-		-- Non extended map numbers
-		if tonumber(q) == nil then
-			return nil
-		end
-		mapnum = tonumber(p) * 10 + tonumber(q)
-	else
-		--Extended map numbers
-		p = string.byte(p) - A
-		local qn = tonumber(q)
-		if qn == nil then
-			qn = string.byte(q) - A + 10
-		end
-
-		mapnum = 36 * p + qn + 100
-	end
-
-	return mapnum
-end
-
-local SPBModeSym = {
-	[F_SPBEXP] = "X",
-	[F_SPBBIG] = "B",
-	[F_SPBJUS] = "J",
-}
-
-local function modeToString(mode)
-	local modestr = "Time Attack"
-	if mode & F_SPBATK then
-		modestr = "SPB"
-		for k, v in pairs(SPBModeSym) do
-			if mode & k then
-				modestr = $ + v
-			end
-		end
-	end
-
-	return modestr
-end
-
-local function records(player, ...)
-	local mapid = ...
-	local mapnum = gamemap
-
-	if mapid then
-		mapnum = mapnumFromExtended(mapid)
-		if not mapnum then
-			CONS_Printf(player, string.format("Invalid map name: %s", mapid))
-			return
-		end
-	end
-
-	local map = mapheaderinfo[mapnum]
-	if map then
-		CONS_Printf(player,
-			string.format(
-				"\x83%s%8s",
-				map.lvlttl,
-				(map.menuflags & LF2_HIDEINMENU and "\x85HELL") or ""
-			)
-		)
-
-		local zoneact = zoneAct(map)
-		-- print the zone/act on the right hand size under the title
-		CONS_Printf(
-			player,
-			string.format(
-				string.format("\x83%%%ds%%s\x80 - \x88%%s", #map.lvlttl - #zoneact / 2 - 1),
-				" ",
-				zoneAct(map),
-				map.subttl
-			)
-		)
-	else
-		CONS_Printf(player, "\x85UNKNOWN MAP")
-	end
-
-	for mode, maps in pairs(lb) do
-		local maptbl = maps[mapnum]
-		if not maptbl then continue end
-		CONS_Printf(player, "")
-		CONS_Printf(player, modeToString(mode))
-
-		-- don't print flags for time attack
-		if mode then
-			for i, tbl in ipairs(maptbl) do
-				CONS_Printf(
-					player,
-					string.format(
-						"%2d %-21s \x89%8s \x80%s",
-						i,
-						tbl["name"],
-						ticsToTime(tbl["time"]),
-						modeToString(tbl["flags"])
-					)
-				)
-			end
-		else
-			for i, tbl in ipairs(maptbl) do
-				CONS_Printf(
-					player,
-					string.format(
-						"%2d %-21s \x89%8s",
-						i,
-						tbl["name"],
-						ticsToTime(tbl["time"])
-					)
-				)
-			end
-		end
-	end
-end
-COM_AddCommand("records", records)
-
 local function changelevel(player, ...)
 	if not doyoudare(player) then
 		return
@@ -610,13 +547,35 @@ local function changelevel(player, ...)
 		return
 	end
 
-	local mapnum = mapnumFromExtended(map)
-	if not mapnum then
+	local p, q = map:upper():match("MAP(%w)(%w)$", 1)
+	if not (p and q) then
 		CONS_Printf(player, string.format("Invalid map name: %s", map))
+		return
+	end
+
+	local mapnum = 0
+	local A = string.byte("A")
+
+	if tonumber(p) != nil then
+		-- Non extended map numbers
+		if tonumber(q) == nil then
+			mapNotExists(player, map)
+			return
+		end
+		mapnum = tonumber(p) * 10 + tonumber(q)
+	else
+		--Extended map numbers
+		p = string.byte(p) - A
+		local qn = tonumber(q)
+		if qn == nil then
+			qn = string.byte(q) - A + 10
+		end
+
+		mapnum = 36 * p + qn + 100
 	end
 	
 	if mapheaderinfo[mapnum] == nil then
-		CONS_Printf(player, string.format("Map doesn't exist: %s", map:upper()))
+		mapNotExists(player, map)
 		return
 	end
 
@@ -739,6 +698,12 @@ local function findRival(player, ...)
 		return a["rival"]["map"] < b["rival"]["map"]
 	end
 
+	local modestrings = {
+		[F_SPBEXP] = "X",
+		[F_SPBBIG] = "B",
+		[F_SPBJUS] = "J",
+	}
+
 	for mode, tbl in pairs(scores) do
 		if i >= stop then break end
 
@@ -752,7 +717,15 @@ local function findRival(player, ...)
 			if i >= stop then break end
 			i = i + 1
 
-			local modestr = modeToString(score["rival"]["flags"])
+			local modestr = "TA"
+			if score["rival"]["flags"] & F_SPBATK then
+				modestr = "SPB"
+				for k, v in pairs(modestrings) do
+					if score["rival"]["flags"] & k then
+						modestr = $ + v
+					end
+				end
+			end
 
 			if score["your"] then
 				local diff = score["your"]["time"] - score["rival"]["time"]
@@ -841,6 +814,19 @@ addHook("MapLoad", function()
 	end
 )
 
+function ticsToTime(tics, pure)
+	if tics == 0 and pure then
+		return "-:--:--"
+	end
+
+	return string.format(
+		"%d:%02d:%02d",
+		G_TicsToMinutes(tics, true),
+		G_TicsToSeconds(tics),
+		G_TicsToCentiseconds(tics)
+	)
+end
+
 -- Item patches have the amazing property of being displaced 12x 13y pixels
 local iXoffset = 13 * FRACUNIT
 local iYoffset = 12 * FRACUNIT
@@ -1121,16 +1107,11 @@ local function drawScrollTo(v, player, scoreTable, gui)
 	drawScroll(v, player, scoreTable, gui)
 end
 
-local function drawBrowser(v, player)
-	DrawBrowser(v, lb)
-end
-
 local stateFunctions = {
 	[DS_DEFAULT] = drawDefault,
 	[DS_SCROLL] = drawScroll,
 	[DS_AUTO] = drawAuto,
-	[DS_SCRLTO] = drawScrollTo,
-	[DS_BROWSER] = drawBrowser
+	[DS_SCRLTO] = drawScrollTo
 }
 
 -- Draw mode and return pos + 1 if success
@@ -1234,7 +1215,8 @@ local function saveTime(player)
 		timeFinished,
 		splits,
 		Flags,
-		stat_t(player.HMRs or pskin.kartspeed, player.HMRw or pskin.kartweight)
+		stat_t(player.HMRs or pskin.kartspeed, player.HMRw or pskin.kartweight),
+		mapChecksum(gamemap)
 	)
 
 	-- Check if you beat your previous best
@@ -1279,30 +1261,7 @@ local function saveTime(player)
 		StatTrack = true
 	end
 
-	local f = assert(io.open(FILENAME, "w"))
-	if f == nil then
-		print("Failed to open file for writing: " + FILENAME)
-		return
-	end
-
-	for _, tbl in pairs(lb) do
-		for _, scoreTable in pairs(tbl) do
-			for _, score in ipairs(scoreTable) do
-				f:write(
-					score["map"], "\t",
-					score["name"], "\t",
-					score["skin"], "\t",
-					score["color"], "\t",
-					score["time"], "\t",
-					table.concat(score["splits"], " "), "\t",
-					score["flags"], "\t",
-					stat_str(score["stat"]), "\n"
-				)
-			end
-		end
-	end
-
-	f:close()
+	saveScores()
 end
 
 -- DEBUGGING
@@ -1342,7 +1301,7 @@ local function think()
 			if not singleplayer() then
 				for p in players.iterate do
 					if p.valid and not p.spectator and not p.exiting and p.lives > 0 then
-						if p.cmd.buttons or p.cmd.driftturn then
+						if p.cmd.buttons then
 							p.afkTime = leveltime
 						end
 
@@ -1402,15 +1361,10 @@ local function think()
 				end
 			end
 		end
-		if not cv_spbatk then
-			cv_spbatk = CV_FindVar("spbatk")
-		end
 		
 		-- Gamemode flags
 		Flags = $ & !(F_SPBATK | F_SPBEXP | F_SPBBIG | F_SPBJUS)
-		if server.SPBArunning
-		   and cv_spbatk.value
-		   and leveltime > START_TIME - (3 * TICRATE) / 2 then
+		if leveltime > START_TIME - (3 * TICRATE) / 2 and server.SPBArunning then
 			Flags = $ | F_SPBATK
 			if server.SPBAexpert then
 				Flags = $ | F_SPBEXP
@@ -1433,18 +1387,10 @@ local function think()
 				end
 			end
 
-			-- make sure the spb actually spawned
-			if leveltime == START_TIME - 1 then
-				if not (server.SPBAbomb and server.SPBAbomb.valid) then
-					-- it didn't spawn, clear spb flags
-					Flags = $ & !(F_SPBATK | F_SPBEXP | F_SPBBIG | F_SPBJUS)
 		end
-			end
-
-		else
+		if not (Flags & F_SPBATK) then
 			hud.enable("freeplay")
 		end
-
 	end
 
 	scoreTable = getScoreTable(gamemap, Flags)
@@ -1467,33 +1413,13 @@ local function think()
 					scrollAcc = 0
 				end
 			end
-		elseif drawState == DS_BROWSER then
-			if BrowserController(p) then
-				drawState = DS_DEFAULT
 		end
 
-			-- prevent intermission while browsing
-			if p.exiting then
-				p.exiting = $ + 1
-			end
-
-			-- disable spba hud
-			if server.SPBAdone then
-				server.SPBArunning = false
-				p.pflags = $ & !(PF_TIMEOVER)
-				p.exiting = 100
-			end
-
-			-- prevent softlocking the server
-			if p.afkTime + AFK_BROWSER < leveltime then
-				drawState = DS_DEFAULT
-				S_StartSound(nil, 100)
-			end
-		elseif p.lives == 0 then
+		if p.lives == 0 then
 			drawState = DS_SCROLL
 		end
 
-		if p.cmd.buttons or p.cmd.driftturn then
+		if p.cmd.buttons then
 			p.afkTime = leveltime
 		end