virtualcomputer: unix-like operation system [WIP]

Former-commit-id: 68bb33337b78c7357d16a5a3ca47ad5f834f3d08
Former-commit-id: 6c8931a114682d2b1414414484597f5e0d0ca095

src/net/torvald/terrarum/StateVTTest.kt

@@ -21,7 +21,7 @@ class StateVTTest : BasicGameState() {
 
     // HiRes: 100x64, LoRes: 80x25
     val computerInside = BaseTerrarumComputer(8)
-    val vt = SimpleTextTerminal(SimpleTextTerminal.GREEN, 80, 25,
+    val vt = SimpleTextTerminal(SimpleTextTerminal.AMETHYST_NOVELTY, 80, 25,
             computerInside, colour = false, hires = false)
 
 

src/net/torvald/terrarum/virtualcomputer/assets/loots/dummix/bin/cp.lua

@@ -0,0 +1,2 @@
+local args = {...}
+fs.cp(os.expandPath(args[1]), os.expandPath(args[2]))

src/net/torvald/terrarum/virtualcomputer/assets/loots/dummix/bin/dsh.lua

@@ -0,0 +1,245 @@
+local args = {...}
+
+os.dshenv = {}
+
+--[[
+DUMBSHELL: semi sh-compatible language interpreter
+
+SYNOPSIS
+    dsh [option] [file]
+    sh [option] [file]
+
+OPTIONS
+	-c string	If the -c option is present, then commands are read from
+				string. If there are arguments after the string, they are
+				assigned to the positional parameters, starting with $0.
+
+
+]]
+
+-- returns full path. if p starts with "/", only the p is returned
+local function expandPath(p)
+    return (p:byte(1) == 47) and p or os.expandPath(p)
+end
+
+local function startsFromRoot(p)
+    return p:byte(1) == 47
+end
+
+local function endsWithSlash(p)
+    return p:byte(#p) == 47
+end
+
+local function errorCmdNotFound(cmd)
+    print(cmd..": command not found")
+end
+
+local function errorNoSuchFile(cmd)
+    print(cmd..": No such file")
+end
+
+local function errorNoSuchFileOrDir(cmd)
+    print(cmd..": No such file or directory")
+end
+
+--local __DSHDEBUG__ = 0x51621D
+
+local function debug(msg)
+    if __DSHDEBUG__ then print("DEBUG", msg) end
+end
+
+-- BUILTINS -------------------------------------------------------------------
+
+local function cd(args)
+    local dir = args[1]
+
+    if (dir == nil or #dir < 1) then return end
+
+    -- check if the directory exists
+
+    local chkdir = expandPath(dir)
+
+    if not fs.exists(chkdir) then
+        errorNoSuchFileOrDir("cd: "..dir)
+        return
+    end
+
+    -- parse dir by delimeter '/'
+    if (dir:byte(1) == 47) then -- if dir begins with '/'
+        os.workingDir = {""}
+    end
+
+    for word in string.gmatch(dir, "[^/]+") do
+        -- 'execute' directory
+        -- Rules: '..' pops os.workingDir
+        --        if dir begins with '/', re-build os.workingDir
+        --        otherwise, push the 'word' to os.workingDir
+        if (word == "..") then
+            if (#os.workingDir > 1) then
+                os.workingDir[#os.workingDir] = nil -- pops an element to oblivion
+            end
+        elseif (word == ".") then
+            -- pass
+        else
+            table.insert(os.workingDir, word)
+        end
+    end
+end
+
+local function exit(args)
+    exitshell = true
+end
+
+local function exec(args)
+    --debug("EXEC\t"..table.concat(args, " "))
+
+    if (args[1] == nil or #args[1] < 1) then return end
+
+    local filePath = args[1]
+    local fullFilePath = expandPath(args[1])
+    local execArgs = {}
+    for i, v in ipairs(args) do 
+        if (i >= 2) then table.insert(execArgs, v) end
+    end
+    local execByPathFileExists = false
+    local execByPathArg = ""
+
+    --fs.dofile(fullFilePath, execArgs)
+    -- do some sophisticated file-matching
+    -- step 1: exact file
+    if fs.isFile(fullFilePath) then shell.run(fullFilePath, execArgs)
+    -- step 2: try appending ".lua"
+    elseif fs.isFile(fullFilePath..".lua") then shell.run(fullFilePath..".lua", execArgs)
+    -- step 3: parse os.path (just like $PATH)
+    -- step 3.1: exact file; step 3.2: append ".lua"
+    elseif not startsFromRoot(filePath) then
+        for path in string.gmatch(os.path, "[^;]+") do
+            -- check if 'path' ends with '/'
+            if not endsWithSlash(path) then path = path.."/" end
+
+            debug(path..filePath)
+
+            if fs.isFile(path..filePath) then
+                execByPathArg = path..filePath
+                execByPathFileExists = true
+                break
+            elseif fs.isFile(path..filePath..".lua") then
+                execByPathArg = path..filePath..".lua"
+                execByPathFileExists = true
+                break
+            end
+        end
+    end
+
+    -- step else: file not found
+    if execByPathFileExists then
+        shell.run(execByPathArg, execArgs)
+        return EXIT_SUCCESS
+    else
+        if filePath:byte(1) == 46 or filePath:byte(1) == 47 then
+            errorNoSuchFile(filePath)
+        else
+            errorCmdNotFound(filePath)
+        end
+    end
+
+    return false
+end
+
+-- SYNTAX PARSER --------------------------------------------------------------
+
+-- tables with functions
+local builtins = {
+    cd = cd,
+    exit = exit,
+    exec = exec,
+    clear = term.clear
+}
+
+local function runcommand(str)
+    if #str < 1 then return end
+
+    -- simple cmd parse: WORD ARG1 ARG2 ARG3 ...
+    local args = {}
+    local command = ""
+    for word in string.gmatch(str, "[^ ]+") do
+        if #command < 1 then command = word -- first word will be a name of command
+        else                 table.insert(args, word) end
+    end
+
+    if builtins[command] then -- try for builtins table
+        builtins[command](args)
+        return EXIT_SUCCESS
+    else
+        -- try for os.dshenv.aliases
+        if os.dshenv.aliases[command] then
+            --builtins[os.dshenv.aliases[command]](args)
+            runcommand(os.dshenv.aliases[command])
+            return EXIT_SUCCESS
+        else
+            -- try to launch as program
+            table.insert(args, 1, command)
+            exec(args)
+        end
+    end
+
+end
+
+-- END OF SYNTAX PARSER -------------------------------------------------------
+-- INIT SHELL -----------------------------------------------------------------
+
+exitshell = false
+
+-- load up aliases
+if fs.exists("/etc/.dshrc") then fs.dofile("/etc/.dshrc") end
+
+
+-- END OF INIT SHELL ----------------------------------------------------------
+
+-- run interpreter and quit
+if (args[1]) then
+	local f = fs.open(args[1], "r")
+	local line = ""
+    local s = ""
+
+    -- treat interpreter key (#!) properly
+    -- I'm assuming I was called because I'm the right one
+    -- I have a full trust on "shell.run()" that it rightfully redirected to me 
+    -- 
+    -- NOTE: shell redirection should only apply in interactive mode AND the input
+    --       was like "./filename", or else I'm the right one. Period.
+    --       (and that's how BASH works)
+    repeat
+        line = f.readLine()
+        if line == nil then break end
+        if line:sub(1,2) ~= "#!" then -- ignore line that contains hashbang
+            s = s.." "..line
+        end
+    until line == nil
+
+    f.close()
+
+    runcommand(s)
+
+    exitshell = true
+end
+
+
+function getPromptText()
+    --return DC4..os.workingDir[#os.workingDir]..DC3.."# "..DC4 -- we're root! omgwtf
+    return DC4..os.fullWorkPath()..DC3.."# "..DC4 -- we're root! omgwtf
+end
+
+-- interactive mode
+local time = os.date()
+print(time)
+
+repeat
+    io.write(getPromptText())
+    local s = input.readLine()
+    runcommand(s)
+until exitshell
+
+::terminate::
+collectgarbage()
+return EXIT_SUCCESS

src/net/torvald/terrarum/virtualcomputer/assets/loots/dummix/bin/lessismore.lua

@@ -0,0 +1,68 @@
+--[[
+LESS IS MORE
+
+SYNOPSIS:
+	lessismore [filename]
+	less [filename]
+	more [filename]
+]]
+local args = {...}
+local prompt = function()
+	term.setForeCol(3)
+	term.emitString("scroll", 4, term.height())
+	term.emitString("quit", 15, term.height())
+	term.setForeCol(1)
+	term.emit(18, 1, term.height())
+	term.emit(29, 2, term.height())
+	term.emit(81, 13, term.height())
+	term.setForeCol(3)
+end
+
+local function printUsage()
+	print("More: no file specified.")
+	print("Usage: more [filename]")
+end
+
+if args[1] == nil or #args[1] <= 0 then printUsage() return end
+
+----------------
+-- fetch text --
+----------------
+local lines = {}
+local displayHeight = term.height() - 1 -- bottom one line for prompt
+
+local file = fs.open(args[1], "r")
+local line = ""
+repeat
+	line = file.readLine()
+	table.insert(lines, line)
+until line == nil
+
+-------------
+-- display --
+-------------
+if term.isTeletype() then
+	for _, l in ipairs(line) do
+		term.print(l)
+	end
+else
+	term.clear()
+	term.setCursorBlink(false)
+	
+	local key = 0
+	repeat
+		prompt()
+		
+		for i, line in ipairs(lines) do
+			if (i > displayHeight) then break end
+	
+			term.emitString(line, 1, i)
+		end
+	
+		term.setCursor(1, term.height())
+		if input.isKeyDown(keys.q) then break end
+	until false
+end
+
+term.newLine()
+return

src/net/torvald/terrarum/virtualcomputer/assets/loots/dummix/bin/msh.lua

@@ -0,0 +1,76 @@
+local args = {...}
+local _APPVERSION = 0.3
+--[[
+MOONSHELL: basically just lua.lua
+
+SYNOPSIS
+    msh [file]
+
+msh: Runs shell in interactive mode
+msh [file]: Try to execute file as Lua script
+
+]]
+
+-- run interpreter and quit
+if (args[1]) then
+	local f = fs.open(args[1], "r")
+	local line = ""
+    local s = ""
+
+    -- treat interpreter key (#!) properly
+    -- I'm assuming I was called because I'm the right one
+    -- I have a full trust on "shell.run()" that it rightfully redirected to me 
+    repeat
+        line = f.readLine()
+        if line == nil then break end
+        if line:sub(1,2) ~= "#!" then -- ignore line that contains hashbang
+            s = s.." "..line
+        end
+    until line == nil
+
+    f.close()
+
+    xpcall(
+        function() _G.runscript(s, "="..args[1]) end,
+        function(err) print(DLE..err) end
+    )
+
+    goto terminate
+end
+
+-- interactive mode. This is a copy of BOOT.lua
+run = shell.run
+
+print("Moonshell "..DC2.._APPVERSION..DC4..", running "..DC2.._VERSION..DC4)
+print("Lua is copyrighted (C) 1994-2013 Lua.org, PUC-Rio")
+print("Run run(path) to execute program on 'path'.")
+print("Run exit() to quit.")
+
+while not machine.isHalted() do
+    term.setCursorBlink(true)
+
+    io.write(DC3.."lua"..computer.prompt)
+
+    local s = input.readLine()
+
+    if s == "exit()" then break end
+
+    xpcall(
+        function()
+        	if s:byte(1) == 61 then -- print out value
+    			s1 = string.sub(s, 2)
+                _G.runscript("print(tostring("..s1.."))\n", "=stdin")
+    		else
+        		_G.runscript(s, "=stdin")
+        	end
+        end,
+        function(err) print(DLE..err) end -- it catches logical errors
+    )
+end
+
+
+
+
+::terminate::
+collectgarbage()
+return EXIT_SUCCESS

src/net/torvald/terrarum/virtualcomputer/assets/loots/dummix/bin/mv.lua

@@ -0,0 +1,2 @@
+local args = {...}
+fs.mv(os.expandPath(args[1]), os.expandPath(args[2]))

src/net/torvald/terrarum/virtualcomputer/assets/loots/dummix/boot/efi

@@ -0,0 +1 @@
+fs.dofile("/etc/_boot.lua")

src/net/torvald/terrarum/virtualcomputer/assets/loots/dummix/etc/.dshrc

@@ -0,0 +1,8 @@
+-- dsh aliases
+os.dshenv.aliases = {
+	lua = "exec msh",
+	sh = "dsh",
+	shutdown = "exit",
+	less = "exec lessismore",
+	more = "exec lessismore"
+}

src/net/torvald/terrarum/virtualcomputer/assets/loots/dummix/etc/_boot.lua

@@ -0,0 +1,51 @@
+--[[
+   Bootloader for Operation System
+
+   Created by minjaesong on 16-09-21
+]]
+
+-- check directories
+dirlist = {
+	"/boot",
+	"/bin", -- crucial binaries (e.g. cat, ls, sh(ell), cp, rm, mkdir), it's loosely an UNIX system
+	"/usr", 
+	"/usr/bin", -- more utilities and binaries (e.g. less/more, nano)
+	"/home", -- home directory for user
+	"/home/bin" -- user-installed apps
+}
+-- just make them if they don't exist
+for _, dir in ipairs(dirlist) do
+	fs.mkdir(dir)
+end
+
+
+if not _G.os then _G.os = {} end
+os.version = "0.0"
+os.EXIT_SUCCESS = 0
+os.workingDir = {"", "home"} -- index 1 must be ""!
+os.path = "home/bin/;/usr/bin/;/bin/" -- infamous $path
+
+-- @param  "path/of/arbitrary"
+-- @return /working/dir/path/of/arbitrary
+--         input path's trailing '/' is PRESERVED.
+os.expandPath = function(p)
+	-- not applicable if the path starts with /
+	if p:byte(1) == 47 or p:byte(1) == 92 then
+		return p
+	end
+
+	return table.concat(os.workingDir, "/").."/"..p
+end
+os.fullWorkPath = function()
+	return table.concat(os.workingDir, "/")
+end
+os.defaultshell = "/bin/dsh.lua"
+os.clock = function() return machine.milliTime() / 1000 end -- uptime of the computer, in seconds
+
+
+
+-- run default shell
+fs.dofile(os.defaultshell)
+
+-- quit properly
+shell.status = shell.halt

src/net/torvald/terrarum/virtualcomputer/assets/loots/dummix/usr/share/man/msh

@@ -0,0 +1,12 @@
+NAME
+	msh - the Moonshell
+
+SYNOPSIS
+	msh [file]
+
+COPYRIGHT
+	See copyright information for the game you are actually playing.
+
+DESCRIPTION
+	Moonshell  is a Lua prompt that reads lua script from the user,  or execute
+	a file user had put as an argument.

src/net/torvald/terrarum/virtualcomputer/assets/lua/BOOT.lua

@@ -6,6 +6,8 @@
    Some codes were taken from OpenComputers, which is distributed under MIT
 --]]
 
+_G._TERRARUM = true -- for multi-env programs
+
 -- global functions
 _G.runscript = function(s, src, ...)
     if s:byte(1) == 27 then error("Bytecode execution is prohibited.") end -- untested; it's Lua 5.1 code and we're 5.2
@@ -25,9 +27,6 @@ fs.dofile = function(p, ...)
     _G.runscript(s, "="..p, ...)
 end
 
--- EFI is expected to locate in "boot/efi"
-if fs.exists("boot/efi") then fs.dofile("boot/efi") end
-
 computer.realTime = function() return 0 end
 
 -- global variables
@@ -77,7 +76,7 @@ local function checkArg(n, have, ...)
         end
     end
     if not check(...) then
-        local msg = string.format("bad argument #%d (%s expected, got %s)",
+        local msg = string.format("BAD argument #%d (%s expected, got %s)",
             n, table.concat({...}, " or "), have)
         error(msg, 3)
     end
@@ -99,7 +98,7 @@ do
     local SHORT_STRING = 500 -- use native implementations for short strings
 
     local string_find, string_lower, string_match, string_gmatch, string_gsub =
-    string.find, string.lower, string.match, string.gmatch, string.gsub
+        string.find, string.lower, string.match, string.gmatch, string.gsub
 
     local match -- forward declaration
 
@@ -1002,33 +1001,34 @@ if not computer.prompt then computer.prompt = DC3.."> "..DC4 end
 if not computer.verbose then computer.verbose = true end -- print debug info
 if not computer.loadedCLayer then computer.loadedCLayer = {} end -- list of loaded compatibility layers
 -- if no bootloader is pre-defined via EFI, use default one
-if not computer.bootloader then computer.bootloader = "/boot/bootloader" end
+if not computer.bootloader then computer.bootloader = "/boot/efi" end
 if not computer.OEM then computer.OEM = "" end
-computer.totalMemory = _G.totalMemory
-if not computer.bellpitch then computer.bellpitch = 1000 end
+machine.totalMemory = _G.totalMemory
+if not computer.bellpitch then computer.bellpitch = 950 end
 local getMemory = function()
     collectgarbage()
     return collectgarbage("count") * 1024 - 6.5*1048576 + screenbuffersize
 end -- that magic number: how much basic system takes
 -- totalMemory: implemented in Kotlin class
-computer.freeMemory = function() return totalMemory() - getMemory() end
+machine.freeMemory = function() return totalMemory() - getMemory() end
 
 -- load libraries that coded in Lua
 require("ROMLIB")
 
 -- POST passed, initialise beeper
-speaker.enqueue(80, 1000) -- term.bell sometimes get squelched
+speaker.enqueue(80, computer.bellpitch) -- term.bell sometimes get squelched
 
 -- load bios, if any
 if fs.exists(computer.bootloader) then shell.run(computer.bootloader) end
+
 -- halt/run luaprompt upon the termination of bios.
 -- Valid BIOS should load OS and modify 'shell.status' to 'shell.halt' before terminating itself.
 if shell.status == shell.halt then __haltsystemexplicit__() goto quit end
 
 -- load Lua prompt, if bios is not found
 print("Rom basic "..DC2.._VERSION..DC4)
-print("Copyright (C) 1994-2013 Lua.org, PUC-Rio")
-print("Ok")
+print("Lua is copyrighted (C) 1994-2013 Lua.org, PUC-Rio")
+print()
 
 while not machine.isHalted() do
     term.setCursorBlink(true)

src/net/torvald/terrarum/virtualcomputer/computer/BaseTerrarumComputer.kt

@@ -191,10 +191,11 @@ class BaseTerrarumComputer(peripheralSlots: Int) {
     fun update(gc: GameContainer, delta: Int) {
         input = gc.input
 
-
         if (currentExecutionThread.state == Thread.State.TERMINATED)
             unsetThreadRun()
 
+
+
         // time the execution time of the thread
         if (threadRun) {
             threadTimer += delta
@@ -205,9 +206,15 @@ class BaseTerrarumComputer(peripheralSlots: Int) {
                 //currentExecutionThread.interrupt()
                 unsetThreadRun()
             }
+
+            driveBeepQueueManager(delta)
         }
 
-        driveBeepQueueManager(delta)
+
+
+        if (isHalted) {
+            currentExecutionThread.interrupt()
+        }
     }
 
     fun keyPressed(key: Int, c: Char) {
@@ -240,8 +247,6 @@ class BaseTerrarumComputer(peripheralSlots: Int) {
 
     class ThreadRunCommand : Runnable {
 
-        val DEBUGTHRE = true
-
         val mode: Int
         val arg1: Any
         val arg2: String
@@ -276,7 +281,7 @@ class BaseTerrarumComputer(peripheralSlots: Int) {
             }
             catch (e: LuaError) {
                 lua.STDERR.println("${SimpleTextTerminal.ASCII_DLE}${e.message}${SimpleTextTerminal.ASCII_DC4}")
-                if (DEBUGTHRE) e.printStackTrace(System.err)
+                e.printStackTrace(System.err)
             }
         }
     }

src/net/torvald/terrarum/virtualcomputer/luaapi/Filesystem.kt

@@ -18,6 +18,9 @@ import java.util.*
  *      media/hda/  ->  .../computers/<uuid for the hda>/
  * 
  * Created by minjaesong on 16-09-17.
+ *
+ *
+ * NOTE: Don't convert '\' to '/'! Rev-slash is used for escape character in sh, and we're sh-compatible!
  */
 internal class Filesystem(globals: Globals, computer: BaseTerrarumComputer) {
 
@@ -102,8 +105,6 @@ internal class Filesystem(globals: Globals, computer: BaseTerrarumComputer) {
             // remove first '/' in path
             var path = luapath.checkIBM437()
             if (path.startsWith('/')) path = path.substring(1)
-            // replace '\' with '/'
-            path.replace('\\', '/')
             
             if (path.startsWith("media/")) {
                 val device = path.substring(6, 9)
@@ -116,7 +117,7 @@ internal class Filesystem(globals: Globals, computer: BaseTerrarumComputer) {
         }
 
         fun combinePath(base: String, local: String) : String {
-            return "$base$local".replace("//", "/").replace("\\\\", "\\")
+            return "$base$local".replace("//", "/")
         }
     }
 
@@ -355,11 +356,11 @@ internal class Filesystem(globals: Globals, computer: BaseTerrarumComputer) {
             var pathSB = StringBuilder(path.checkIBM437())
 
             // backward travel, drop chars until '/' has encountered
-            while (!pathSB.endsWith('/') && !pathSB.endsWith('\\'))
+            while (!pathSB.endsWith('/'))
                 pathSB.deleteCharAt(pathSB.lastIndex - 1)
 
             // drop trailing '/'
-            if (pathSB.endsWith('/') || pathSB.endsWith('\\'))
+            if (pathSB.endsWith('/'))
                 pathSB.deleteCharAt(pathSB.lastIndex - 1)
 
             return LuaValue.valueOf(pathSB.toString())

src/net/torvald/terrarum/virtualcomputer/luaapi/WorldInformationProvider.kt

@@ -24,29 +24,17 @@ class WorldInformationProvider(globals: Globals) {
     companion object {
         fun getWorldTimeInLuaFormat() : LuaTable {
             val t = LuaTable()
-            if (Terrarum.gameStarted) {
-                val time = Terrarum.ingame.world.time
+            val time = if (Terrarum.gameStarted) Terrarum.ingame.world.time else WorldTime()
 
-                // int Terrarum World Time format
-                t["hour"] = time.hours
-                t["min"] = time.minutes
-                t["wday"] = time.dayOfWeek
-                t["year"] = time.years
-                t["yday"] = time.yearlyDays
-                t["month"] = time.months
-                t["sec"] = time.seconds
-                t["day"] = time.days
-            }
-            else {
-                t["hour"] = 0
-                t["min"] = 0
-                t["wday"] = 1
-                t["year"] = 0
-                t["yday"] = 1
-                t["month"] = 1
-                t["sec"] = 0
-                t["day"] = 1
-            }
+            // int Terrarum World Time format
+            t["hour"] = time.hours
+            t["min"] = time.minutes
+            t["wday"] = time.dayOfWeek
+            t["year"] = time.years
+            t["yday"] = time.yearlyDays
+            t["month"] = time.months
+            t["sec"] = time.seconds
+            t["day"] = time.days
 
             return t
         }
@@ -55,52 +43,27 @@ class WorldInformationProvider(globals: Globals) {
 
         /** evaluate single C date format */
         fun String.evalAsDate(): String {
-            if (Terrarum.gameStarted) {
-                val time = Terrarum.ingame.world.time
-                return when (this) {
-                    "%a" -> time.getDayNameShort()
-                    "%A" -> time.getDayNameFull()
-                    "%b" -> time.getMonthNameShort()
-                    "%B" -> time.getMonthNameFull()
-                    "%c" -> "%x".evalAsDate() + " " + "%X".evalAsDate()
-                    "%d" -> time.days.toString()
-                    "%H" -> time.hours.toString()
-                    "%I" -> throw IllegalArgumentException("%I: AM/PM concept does not exists.")
-                    "%M" -> time.minutes.toString()
-                    "%m" -> time.months.toString()
-                    "%p" -> throw IllegalArgumentException("%p: AM/PM concept does not exists.")
-                    "%S" -> time.seconds.toString()
-                    "%w" -> time.dayOfWeek.toString()
-                    "%x" -> "${String.format("%02d", time.years)}-${String.format("%02d", time.months)}-${String.format("%02d", time.days)}"
-                    "%X" -> "${String.format("%02d", time.hours)}:${String.format("%02d", time.minutes)}:${String.format("%02d", time.seconds)}"
-                    "%Y" -> time.years.toString()
-                    "%y" -> time.years.mod(100).toString()
-                    "%%" -> "%"
-                    else -> throw IllegalArgumentException("Unknown format string: $this")
-                }
-            }
-            else {
-                return when (this) {
-                    "%a" -> "---"
-                    "%A" -> "------"
-                    "%b" -> "----"
-                    "%B" -> "--------"
-                    "%c" -> "%x".evalAsDate() + " " + "%X".evalAsDate()
-                    "%d" -> "0"
-                    "%H" -> "0"
-                    "%I" -> throw IllegalArgumentException("%I: AM/PM concept does not exists.")
-                    "%M" -> "0"
-                    "%m" -> "0"
-                    "%p" -> throw IllegalArgumentException("%p: AM/PM concept does not exists.")
-                    "%S" -> "0"
-                    "%w" -> "0"
-                    "%x" -> "00-00-00"
-                    "%X" -> "00:00:00"
-                    "%Y" -> "0"
-                    "%y" -> "00"
-                    "%%" -> "%"
-                    else -> throw IllegalArgumentException("Unknown format string: $this")
-                }
+            val time = if (Terrarum.gameStarted) Terrarum.ingame.world.time else WorldTime()
+            return when (this) {
+                "%a" -> time.getDayNameShort()
+                "%A" -> time.getDayNameFull()
+                "%b" -> time.getMonthNameShort()
+                "%B" -> time.getMonthNameFull()
+                "%c" -> "%x".evalAsDate() + " " + "%X".evalAsDate()
+                "%d" -> time.days.toString()
+                "%H" -> time.hours.toString()
+                "%I" -> throw IllegalArgumentException("%I: AM/PM concept does not exists.")
+                "%M" -> time.minutes.toString()
+                "%m" -> time.months.toString()
+                "%p" -> throw IllegalArgumentException("%p: AM/PM concept does not exists.")
+                "%S" -> time.seconds.toString()
+                "%w" -> time.dayOfWeek.toString()
+                "%x" -> "${String.format("%02d", time.years)}-${String.format("%02d", time.months)}-${String.format("%02d", time.days)}"
+                "%X" -> "${String.format("%02d", time.hours)}:${String.format("%02d", time.minutes)}:${String.format("%02d", time.seconds)}"
+                "%Y" -> time.years.toString()
+                "%y" -> time.years.mod(100).toString()
+                "%%" -> "%"
+                else -> throw IllegalArgumentException("Unknown format string: $this")
             }
         }
 

work_files/romapidoc/api_filesystem.tex

@@ -1,6 +1,6 @@
 The Filesystem API provides functions for manipulating files and the filesystem.
 
-The path for the argument of functions blocks `\,.\,.\,' to be entered, preventing users from access outside of the computer and eliminating the potential of harming the real computer of the innocent players.
+The path for the argument of functions blocks `\,.\,.\,' to be passed, preventing users from access outside of the computer and eliminating the potential of harming the real computer of the innocent players.
 
 \section{Functions}
 
@@ -41,7 +41,7 @@ The path for the argument of functions blocks `\,.\,.\,' to be entered, preventi
 
 \section{File Handler}
 
-When it comes to opening a file, there are six modes available---r, w, a, rb, wb, ab, each represents \textbf{r}ead, \textbf{w}rite, \textbf{a}ppend and \textbf{b}yte.
+When opening a file, there are six modes available---r, w, a, rb, wb, ab; each represents \textbf{r}ead, \textbf{w}rite, \textbf{a}ppend and \textbf{b}yte.
 
 \begin{tabularx}{\textwidth}{l X}
 	\textbf{\large Function} & \textbf{\large Description}

work_files/romapidoc/api_machine.tex

@@ -7,4 +7,8 @@ The Machine API provides means to control the host machine.
 	\\ \\
 	\endhead
 	machine.milliTime() & int & Returns how many time the machine is up, in milliseconds (one thousandth of seconds).
+	\\ \\
+	machine.totalMemory() & int & Returns the total size of the memory installed in the computer, in bytes.
+	\\ \\
+	machine.freeMemory() & int & Returns the amount of free memory on the computer.
 \end{tabularx}

work_files/romapidoc/api_os.tex

@@ -27,7 +27,7 @@ The OS library provides functions and constants for the system. Most of the func
 	\\ \\
 	\textbf{\%m} & Current months. & \textbf{\%S} & Current seconds.
 	\\ \\
-	\textbf{\%w} & Current day of week in int. & \textbf{\%x} & Full date. (e.g. ``25-03-12'')
+	\textbf{\%w} & Current day of week in int. (e.g. 1) & \textbf{\%x} & Full date. (e.g. ``25-03-12'')
 	\\ \\
 	\textbf{\%X} & Full clock time. (e.g. ``08:30:00'') & \textbf{\%Y} & Current year. (e.g. ``125'')
 	\\ \\

work_files/romapidoc/api_terminal.tex

@@ -97,7 +97,7 @@ Character 0x9E (currency symbol) and 0xFA (middle dot) can be accessed with foll
 	\textbf{\large No.} & \textbf{\large Description} & \textbf{\large No.} & \textbf{\large Description}
 	\\ \\
 	\endhead
-	7 & BEL. Emits short emitTone. & 8 & BS. Moves cursor to left 1 character.
+	7 & BEL. Emits short tone. & 8 & BS. Moves cursor to left 1 character.
 	\\ \\
 	9 & TAB. Inserts appropriate horizontal space. Tab size is variable. & 10 & LF. Prints a new line.
 	\\ \\

work_files/romapidoc/cc_colors.tex

@@ -1,4 +1,4 @@
-The Colors API allows you to manipulate sets of colors. This is useful in colors on Advanced Computers and Advanced Monitors. British spellings are also supported.
+The Colors API allows you to manipulate sets of colors. This is useful in colours on coloured terminals. British spellings are also supported.
 
 \section{Constants}
 

work_files/romapidoc/luaglobals.tex

@@ -9,10 +9,6 @@ ROMBASIC adds global functions and constants for operability.
 	\unemph{\_G.}runScript(\textbf{fun}: str, \textbf{env}: str) & nil & Runs Lua script \textbf{fun} with the environment tag \textbf{env}.
 	\\ \\
 	\unemph{\_G.}bell(\textbf{pattern}: str) & nil & Strike bell (or beeper) with pattern. See section \emph{Bell Codes} for more information. Aliased to \unemph{\_G.}emitTone.
-	\\ \\
-	computer.totalMemory() & int & Returns the total size of the memory installed in the computer, in bytes.
-	\\ \\
-	computer.freeMemory() & int & Returns the amount of free memory on the computer.
 \end{tabularx}
 
 \section{Constants}
@@ -21,6 +17,8 @@ ROMBASIC adds global functions and constants for operability.
 	\textbf{\large Name} & \textbf{\large Type} & \textbf{\large Description}
 	\\ \\
 	\endhead
+	\unemph{\_G.}\_TERRARUM & non-false & Indicator for multi-environment scripts.
+	\\ \\
 	\unemph{\_G.}EMDASH & string & EM dash represented by box-drawing character. Code 0xC4
 	\\ \\
 	\unemph{\_G.}UNCHECKED & string & Unchecked checkbox. Code 0x9C

work_files/romapidoc/romapidoc.aux

@@ -129,8 +129,8 @@
     {1}{155.61479pt}}
 \gdef \LT@xvi {\LT@entry 
     {2}{135.95003pt}\LT@entry 
-    {2}{36.06001pt}\LT@entry 
-    {1}{162.98996pt}}
+    {2}{50.73004pt}\LT@entry 
+    {1}{148.31993pt}}
 \@writefile{lof}{\addvspace {10pt}}
 \@writefile{lot}{\addvspace {10pt}}
 \@writefile{toc}{\contentsline {chapter}{\chapternumberline {10}Lua Globals}{22}{chapter.10}}
@@ -144,9 +144,9 @@
 \@writefile{toc}{\contentsline {section}{\numberline {10.3}Bell Codes}{24}{section.10.3}}
 \@writefile{toc}{\contentsline {subsection}{\numberline {10.3.1}Changes from Generic Lua Environment}{24}{subsection.10.3.1}}
 \gdef \LT@xviii {\LT@entry 
-    {2}{94.0pt}\LT@entry 
+    {2}{110.12003pt}\LT@entry 
     {1}{45.25516pt}\LT@entry 
-    {1}{195.74484pt}}
+    {1}{179.62482pt}}
 \@writefile{lof}{\addvspace {10pt}}
 \@writefile{lot}{\addvspace {10pt}}
 \@writefile{toc}{\contentsline {chapter}{\chapternumberline {11}Machine}{25}{chapter.11}}

work_files/romapidoc/romapidoc.log

@@ -1,4 +1,4 @@
-This is LuaTeX, Version beta-0.80.0 (TeX Live 2015) (rev 5238)  (format=lualatex 2015.10.5)  30 SEP 2016 20:18
+This is LuaTeX, Version beta-0.80.0 (TeX Live 2015) (rev 5238)  (format=lualatex 2015.10.5)  1 OCT 2016 21:05
  restricted \write18 enabled.
  file:line:error style messages enabled.
 **romapidoc.tex
@@ -552,7 +552,7 @@ luatexbase-attr: luatexbase.attributes["luaotfload@cursbase"] = 6
 luatexbase-attr: luatexbase.attributes["luaotfload@curscurs"] = 7
 luatexbase-attr: luatexbase.attributes["luaotfload@cursdone"] = 8
 luatexbase-attr: luatexbase.attributes["luaotfload@state"] = 9
-luaotfload | main : fontloader loaded in 0.030 seconds
+luaotfload | main : fontloader loaded in 0.055 seconds
 luatexbase-mcb: inserting 'luaotfload.node_processor'
 at position 1 in 'pre_linebreak_filter'
 luatexbase-mcb: inserting 'luaotfload.node_processor'
@@ -1224,7 +1224,7 @@ File: tasks.cfg 2014/07/29 v0.10a tasks instances
 . Defining command \settasks with sig. 'm' on line 710.
 .................................................
 )
-Package hyperref Info: Option `unicode' set `true' on input line 89.
+Package hyperref Info: Option `unicode' set `true' on input line 90.
 
 (/usr/local/texlive/2015/texmf-dist/tex/latex/hyperref/puenc.def
 File: puenc.def 2012/11/06 v6.83m Hyperref: PDF Unicode definition (HO)
@@ -1232,30 +1232,30 @@ File: puenc.def 2012/11/06 v6.83m Hyperref: PDF Unicode definition (HO)
 (./romapidoc.aux)
 \openout1 = romapidoc.aux
 
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+LaTeX Font Info:    ... okay on input line 94.
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+LaTeX Font Info:    ... okay on input line 94.
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+LaTeX Font Info:    ... okay on input line 94.
+LaTeX Font Info:    Checking defaults for T3/cmr/m/n on input line 94.
+LaTeX Font Info:    Try loading font information for T3+cmr on input line 94.
  (/usr/local/texlive/2015/texmf-dist/tex/latex/tipa/t3cmr.fd
 File: t3cmr.fd 2001/12/31 TIPA font definitions
 )
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-LaTeX Font Info:    ... okay on input line 93.
-LaTeX Font Info:    Checking defaults for PU/pdf/m/n on input line 93.
-LaTeX Font Info:    ... okay on input line 93.
+LaTeX Font Info:    ... okay on input line 94.
+LaTeX Font Info:    Checking defaults for PD1/pdf/m/n on input line 94.
+LaTeX Font Info:    ... okay on input line 94.
+LaTeX Font Info:    Checking defaults for PU/pdf/m/n on input line 94.
+LaTeX Font Info:    ... okay on input line 94.
 
 (/usr/local/texlive/2015/texmf-dist/tex/context/base/supp-pdf.mkii
 [Loading MPS to PDF converter (version 2006.09.02).]
@@ -1291,64 +1291,64 @@ File: epstopdf-sys.cfg 2010/07/13 v1.3 Configuration of (r)epstopdf for TeX Live
 .................................................
 \symlegacymaths=\mathgroup4
 LaTeX Font Info:    Overwriting symbol font `legacymaths' in version `bold'
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-LaTeX Font Info:    Redeclaring symbol font `operators' on input line 93.
+(Font)                  OT1/cmr/m/n --> OT1/cmr/bx/n on input line 94.
+LaTeX Font Info:    Redeclaring math accent \acute on input line 94.
+LaTeX Font Info:    Redeclaring math accent \grave on input line 94.
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+LaTeX Font Info:    Redeclaring math accent \tilde on input line 94.
+LaTeX Font Info:    Redeclaring math accent \bar on input line 94.
+LaTeX Font Info:    Redeclaring math accent \breve on input line 94.
+LaTeX Font Info:    Redeclaring math accent \check on input line 94.
+LaTeX Font Info:    Redeclaring math accent \hat on input line 94.
+LaTeX Font Info:    Redeclaring math accent \dot on input line 94.
+LaTeX Font Info:    Redeclaring math accent \mathring on input line 94.
+LaTeX Font Info:    Redeclaring math symbol \colon on input line 94.
+LaTeX Font Info:    Redeclaring math symbol \Gamma on input line 94.
+LaTeX Font Info:    Redeclaring math symbol \Delta on input line 94.
+LaTeX Font Info:    Redeclaring math symbol \Theta on input line 94.
+LaTeX Font Info:    Redeclaring math symbol \Lambda on input line 94.
+LaTeX Font Info:    Redeclaring math symbol \Xi on input line 94.
+LaTeX Font Info:    Redeclaring math symbol \Pi on input line 94.
+LaTeX Font Info:    Redeclaring math symbol \Sigma on input line 94.
+LaTeX Font Info:    Redeclaring math symbol \Upsilon on input line 94.
+LaTeX Font Info:    Redeclaring math symbol \Phi on input line 94.
+LaTeX Font Info:    Redeclaring math symbol \Psi on input line 94.
+LaTeX Font Info:    Redeclaring math symbol \Omega on input line 94.
+LaTeX Font Info:    Redeclaring math symbol \mathdollar on input line 94.
+LaTeX Font Info:    Redeclaring symbol font `operators' on input line 94.
 LaTeX Font Info:    Encoding `OT1' has changed to `EU2' for symbol font
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 LaTeX Font Info:    Overwriting symbol font `operators' in version `normal'
-(Font)                  OT1/cmr/m/n --> EU2/MyriadPro(0)/m/n on input line 93.
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 LaTeX Font Info:    Encoding `OT1' has changed to `EU2' for symbol font
-(Font)              `operators' in the math version `bold' on input line 93.
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-(Font)                  OT1/cmr/bx/n --> EU2/MyriadPro(0)/m/n on input line 93.
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 LaTeX Font Info:    Overwriting symbol font `operators' in version `normal'
 (Font)                  EU2/MyriadPro(0)/m/n --> EU2/MyriadPro(0)/m/n on input l
-ine 93.
+ine 94.
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 LaTeX Font Info:    Overwriting math alphabet `\mathbf' in version `normal'
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 LaTeX Font Info:    Overwriting math alphabet `\mathsf' in version `normal'
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 LaTeX Font Info:    Overwriting symbol font `operators' in version `bold'
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-line 93.
+line 94.
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-3.
+4.
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+(Font)                  OT1/cmtt/m/n --> EU2/lmtt/bx/n on input line 94.
 \AtBeginShipoutBox=\box267
-Package hyperref Info: Link coloring OFF on input line 93.
+Package hyperref Info: Link coloring OFF on input line 94.
 
 (/usr/local/texlive/2015/texmf-dist/tex/latex/hyperref/nameref.sty
 Package: nameref 2012/10/27 v2.43 Cross-referencing by name of section
@@ -1360,10 +1360,10 @@ Package: gettitlestring 2010/12/03 v1.4 Cleanup title references (HO)
 )
 Redoing nameref's sectioning
 Redoing nameref's label
-LaTeX Info: Redefining \nameref on input line 93.
-LaTeX Info: Redefining \ref on input line 93.
-LaTeX Info: Redefining \pageref on input line 93.
-LaTeX Info: Redefining \nameref on input line 93.
+LaTeX Info: Redefining \nameref on input line 94.
+LaTeX Info: Redefining \ref on input line 94.
+LaTeX Info: Redefining \pageref on input line 94.
+LaTeX Info: Redefining \nameref on input line 94.
 (./romapidoc.out) (./romapidoc.out)
 \@outlinefile=\write4
 
@@ -1375,11 +1375,11 @@ luaotfload | load : Lookup/name: "MyriadPro" -> "MyriadPro-It.otf"
 luaotfload | load : Lookup/name: "MyriadPro" -> "MyriadPro-Regular.otf"
 luaotfload | load : Lookup/name: "MyriadPro" -> "MyriadPro-Regular.otf"
 LaTeX Font Info:    External font `cmex10' loaded for size
-(Font)              <10.95> on input line 95.
+(Font)              <10.95> on input line 96.
 LaTeX Font Info:    External font `cmex10' loaded for size
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 LaTeX Font Info:    External font `cmex10' loaded for size
-(Font)              <6> on input line 95.
+(Font)              <6> on input line 96.
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@@ -1400,7 +1400,7 @@ LaTeX Font Info:    External font `cmex10' loaded for size
 LaTeX Font Info:    Font shape `EU2/MyriadPro(0)/m/sl' in size <10> not availabl
 e
 (Font)              Font shape `EU2/MyriadPro(0)/m/it' tried instead on input li
-ne 104.
+ne 105.
 luaotfload | load : Lookup/name: "MyriadPro" -> "MyriadPro-It.otf"
 luaotfload | load : Lookup/name: "MyriadPro" -> "MyriadPro-It.otf" [4]
 luaotfload | load : Lookup/name: "MyriadPro" -> "MyriadPro-Regular.otf"
@@ -1647,25 +1647,41 @@ Underfull \hbox (badness 6658) in paragraph at lines 111--111
  []
 
 ) [21<./mda.png>] (./luaglobals.tex
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-\EU2/MyriadPro(0)/m/n/10 ory in-stalled in the com-puter, in
- []
-
-
-Underfull \hbox (badness 10000) in paragraph at lines 55--55
+Underfull \hbox (badness 4846) in paragraph at lines 53--53
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+Underfull \hbox (badness 7397) in paragraph at lines 53--53
+[][]|\EU2/MyriadPro(0)/m/n/10 Cur-rency sym-bol used in the
  []
 
 
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-\EU2/MyriadPro(0)/m/n/10 change fore-ground colour to dim
+Underfull \hbox (badness 10000) in paragraph at lines 53--53
+\EU2/MyriadPro(0)/m/n/10 to change fore-ground colour
  []
 
+
+Underfull \hbox (badness 2635) in paragraph at lines 53--53
+\EU2/MyriadPro(0)/m/n/10 to ter-mi-nal’s de-fault er-ror text
+ []
+
+
+Underfull \hbox (badness 3240) in paragraph at lines 53--53
+[][]|\EU2/MyriadPro(0)/m/n/10 Gen-er-ates square wave. \EU2/MyriadPro(0)/bx/n/1
+0 len \EU2/MyriadPro(0)/m/n/10 is
+ []
+
+
+Underfull \hbox (badness 1325) in paragraph at lines 53--53
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+0 freq \EU2/MyriadPro(0)/m/n/10 is
+ []
+
+
+Package longtable Warning: Column widths have changed
+(longtable)                in table 10.2 on input line 53.
+
 [22
 
 
@@ -1707,14 +1723,18 @@ luaotfload | load : Lookup/name: "MyriadPro" -> "MyriadPro-Bold.otf" [26
 \tf@toc=\write5
 
 \openout5 = romapidoc.toc
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- (./romapidoc.aux)
-Package atveryend Info: Executing hook `AtVeryEndDocument' on input line 182.
-Package atveryend Info: Executing hook `AtEndAfterFileList' on input line 182.
+
+
+Package longtable Warning: Table widths have changed. Rerun LaTeX.
+
+Package atveryend Info: Empty hook `BeforeClearDocument' on input line 183.
+Package atveryend Info: Empty hook `AfterLastShipout' on input line 183.
+(./romapidoc.aux)
+Package atveryend Info: Executing hook `AtVeryEndDocument' on input line 183.
+Package atveryend Info: Executing hook `AtEndAfterFileList' on input line 183.
 Package rerunfilecheck Info: File `romapidoc.out' has not changed.
 (rerunfilecheck)             Checksum: E2557CFA1EFA2AD5ABDDE2C6217CA0AA;4851.
-Package atveryend Info: Empty hook `AtVeryVeryEnd' on input line 182.
+Package atveryend Info: Empty hook `AtVeryVeryEnd' on input line 183.
 )
 
 Here is how much of LuaTeX's memory you used:
@@ -1723,7 +1743,7 @@ Here is how much of LuaTeX's memory you used:
  794 words of node memory still in use:
    3 hlist, 1 vlist, 1 rule, 2 glue, 1 kern, 5 attribute, 141 glue_spec, 5 attri
 bute_list, 2 write nodes
-   avail lists: 1:1,2:15095,3:297,4:3729,5:1384,6:6444,7:355,8:31,9:919,10:406
+   avail lists: 2:15095,3:297,4:3729,5:1384,6:6444,7:355,8:31,9:919,10:406
  30242 multiletter control sequences out of 65536+600000
  62 fonts using 5300367 bytes
  67i,12n,59p,1189b,507s stack positions out of 5000i,500n,10000p,200000b,100000s
@@ -1732,7 +1752,7 @@ LuaTeX warning (dest): name{Hfootnote.2} has been referenced but does not exist,
 
 </Library/Fonts/MyriadPro-It.otf></Library/Fonts/MyriadPro-Regular.otf></Library
 /Fonts/MyriadPro-Bold.otf>
-Output written on romapidoc.pdf (37 pages, 105016 bytes).
+Output written on romapidoc.pdf (37 pages, 105094 bytes).
 
 PDF statistics: 461 PDF objects out of 1000 (max. 8388607)
  403 compressed objects within 5 object streams

work_files/romapidoc/romapidoc.tex

@@ -26,6 +26,7 @@
 %% Idioms %%
 \hyphenation{Com-put-er-Craft}
 \hyphenation{O-pen-Com-put-ers}
+\hyphenation{ROM-BASIC}