working filesystem (tested: mkdir, open, file:writeLine/close, cp, mv, rm)

Former-commit-id: ce3fcae801291f770ed19dce4616b8ab61556f9b
Former-commit-id: 999d637fac1c1c6a9ff855ebb8f7f37336519771

src/net/torvald/terrarum/Terrarum.kt

@@ -100,14 +100,14 @@ constructor(gamename: String) : StateBasedGame(gamename) {
 
         gc.graphics.clear() // clean up any 'dust' in the buffer
 
-        //addState(StateVTTest())
+        addState(StateVTTest())
         //addState(StateTestingSandbox())
         //addState(StateSplash())
         //addState(StateMonitorCheck())
         //addState(StateFontTester())
 
-        ingame = StateInGame()
-        addState(ingame)
+        //ingame = StateInGame()
+        //addState(ingame)
     }
 
     companion object {
@@ -412,6 +412,9 @@ constructor(gamename: String) : StateBasedGame(gamename) {
             }
             return cfg!!
         }
+
+        val currentSaveDir: File
+            get() = File(defaultSaveDir + "/test") // TODO TEST CODE
     }
 }
 

src/net/torvald/terrarum/gameactors/FixtureBase.kt

@@ -5,7 +5,7 @@ import net.torvald.spriteanimation.SpriteAnimation
 /**
  * Created by minjaesong on 16-06-17.
  */
-open class FixturesBase : ActorWithBody() {
+open class FixtureBase : ActorWithBody() {
     /**
      * 0: Open
      * 1: Blocked

src/net/torvald/terrarum/gameactors/FixtureTikiTorch.kt

@@ -8,7 +8,7 @@ import java.util.*
 /**
  * Created by minjaesong on 16-06-17.
  */
-class FixturesTikiTorch : FixturesBase(), Luminous {
+class FixtureTikiTorch : FixtureBase(), Luminous {
 
     override var luminosity: Int
         get() = TilePropCodex.getProp(TileNameCode.TORCH).luminosity

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

@@ -133,14 +133,14 @@ local function cHexToInt(c)
     end
 end
 
---                 str,  str,     str
+--                    str,     str,     str
 term.blit = function(text, foreCol, backCol)
     assert(
         type(text) == "string" and type(backCol) == "string" and type(foreCol) == "string",
         "bad argument: (string, string, string expected, got "..type(text)..", "..type(foreCol)..", "..type(backCol)..")"
     )
     if #text ~= #foreCol or #text ~= #backCol or #foreCol ~= #backCol then
-        error("rrguments must be the same length")
+        error("arguments must be the same length")
     end
 
     for i = 1, #text do
@@ -162,7 +162,20 @@ term.setBackgroundColor = function(cccol) term.setBackCol(ccToGameCol[normaliseC
 term.getBackgroundColor = function() return term.getBackCol() end
 
 
+--------------------
+-- FILESYSTEM API --
+--------------------
+
+fs.makeDir = function(p) fs.mkdir(p) end
+fs.move = function(a, b) fs.mv(a, b) end
+fs.copy = function(a, b) fs.cp(a, b) end
+fs.delete = function(p) fs.rm(p) end
+fs.combine = function(a, b) return fs.concat(a, b) end
+fs.getDir = function(p) return fs.parent(p) end
 
 
+------------------
+-- DOWN AND OUT --
+------------------
 
 if _COMPUTER.verbose then print("ComputerCraft compatibility layer successfully loaded.") end

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

@@ -27,6 +27,8 @@ require("ROMLIB")
 
 -- load bios, if any
 
+
+
 -- load Lua prompt, if bios is not found
 print("Rom basic " .. _COMPUTER.DC2 .. _VERSION .. _COMPUTER.DC4)
 -- print(_COMPUTER.DC2 .. freemem .. _COMPUTER.DC4 .. " bytes free"

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

@@ -4,19 +4,24 @@ import li.cil.repack.org.luaj.vm2.Globals
 import li.cil.repack.org.luaj.vm2.LuaError
 import li.cil.repack.org.luaj.vm2.LuaValue
 import li.cil.repack.org.luaj.vm2.lib.jse.JsePlatform
-import net.torvald.terrarum.virtualcomputer.lualib.TermLib
+import net.torvald.terrarum.KVHashMap
+import net.torvald.terrarum.gameactors.ActorValue
+import net.torvald.terrarum.virtualcomputer.luaapi.Filesystem
+import net.torvald.terrarum.virtualcomputer.luaapi.Term
 import net.torvald.terrarum.virtualcomputer.terminal.*
+import net.torvald.terrarum.virtualcomputer.worldobject.FixtureComputerBase
 import org.newdawn.slick.GameContainer
 import java.io.*
 
 /**
- * A part that makes "computer fixtures" actually work
+ * A part that makes "computer fixture" actually work
+ *
+ * @param avFixtureComputer : actor values for FixtureComputerBase
  *
  * @param term : terminal that is connected to the computer fixtures, null if not connected any.
- *
  * Created by minjaesong on 16-09-10.
  */
-class BaseTerrarumComputer(term: Teletype?) {
+class BaseTerrarumComputer(term: Teletype? = null) {
 
     val luaJ_globals: Globals = JsePlatform.standardGlobals()
 
@@ -27,7 +32,35 @@ class BaseTerrarumComputer(term: Teletype?) {
     var termIn: InputStream? = null
         private set
 
+    val UUID = "testsession"//java.util.UUID.randomUUID().toString()
+
+    val computerValue = KVHashMap()
+    
     init {
+        computerValue["memslot0"] = -1 // -1 indicates mem slot is empty
+        computerValue["memslot1"] = -1 // put index of item here
+        computerValue["memslot2"] = -1 // ditto.
+        computerValue["memslot3"] = -1 // do.
+
+        computerValue["processor"] = -1 // do.
+
+        // as in "dev/hda"; refers hard disk drive (and no partitioning)
+        computerValue["hda"] = "testhda" // 'UUID rendered as String' or "none"
+        computerValue["hdb"] = "none"
+        computerValue["hdc"] = "none"
+        computerValue["hdd"] = "none"
+        // as in "dev/fd1"; refers floppy disk drive
+        computerValue["fd1"] = "none"
+        computerValue["fd2"] = "none"
+        computerValue["fd3"] = "none"
+        computerValue["fd4"] = "none"
+        // SCSI connected optical drive
+        computerValue["sda"] = "none"
+
+        // boot device
+        computerValue["boot"] = computerValue.getAsString("hda")!!
+        
+        
         if (term != null) {
             termOut = TerminalPrintStream(term)
             termErr = TerminalPrintStream(term)
@@ -38,7 +71,8 @@ class BaseTerrarumComputer(term: Teletype?) {
             luaJ_globals.STDIN = termIn
 
             // load libraries
-            TermLib(luaJ_globals, term)
+            Term(luaJ_globals, term)
+            Filesystem(luaJ_globals, this)
         }
 
         // ROM BASIC

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

@@ -0,0 +1,390 @@
+package net.torvald.terrarum.virtualcomputer.luaapi
+
+import li.cil.repack.org.luaj.vm2.*
+import li.cil.repack.org.luaj.vm2.lib.OneArgFunction
+import li.cil.repack.org.luaj.vm2.lib.TwoArgFunction
+import li.cil.repack.org.luaj.vm2.lib.ZeroArgFunction
+import net.torvald.terrarum.Terrarum
+import net.torvald.terrarum.virtualcomputer.computer.BaseTerrarumComputer
+import java.io.*
+import java.util.*
+
+/**
+ * computer directory:
+ * .../computers/
+ *      media/hda/  ->  .../computers/<uuid for the hda>/
+ * 
+ * Created by minjaesong on 16-09-17.
+ */
+internal class Filesystem(globals: Globals, computer: BaseTerrarumComputer) {
+
+    init {
+        // load things. WARNING: THIS IS MANUAL!
+        globals["fs"] = LuaValue.tableOf()
+        globals["fs"]["list"] = ListFiles(computer)
+        globals["fs"]["exists"] = FileExists(computer)
+        globals["fs"]["isDir"] = IsDirectory(computer)
+        globals["fs"]["isReadOnly"] = IsReadOnly(computer)
+        globals["fs"]["listFiles"] = ListFiles(computer)
+        globals["fs"]["mkdir"] = Mkdir(computer)
+        globals["fs"]["mv"] = Mv(computer)
+        globals["fs"]["cp"] = Cp(computer)
+        globals["fs"]["rm"] = Rm(computer)
+        globals["fs"]["concat"] = ConcatPath(computer)
+        globals["fs"]["open"] = OpenFile(computer)
+        globals["fs"]["parent"] = GetParentDir(computer)
+    }
+
+    companion object {
+        val isCaseInsensitive: Boolean
+            get() {
+                // TODO add: force case insensitive in config
+                try {
+                    val uuid = UUID.randomUUID().toString()
+                    val lowerCase = File(Terrarum.currentSaveDir, uuid + "oc_rox")
+                    val upperCase = File(Terrarum.currentSaveDir, uuid + "OC_ROX")
+                    // This should NEVER happen but could also lead to VERY weird bugs, so we
+                    // make sure the files don't exist.
+                    lowerCase.exists() && lowerCase.delete()
+                    upperCase.exists() && upperCase.delete()
+                    lowerCase.createNewFile()
+                    val insensitive = upperCase.exists()
+                    lowerCase.delete()
+                    return insensitive
+                }
+                catch (e: IOException) {
+                    println("[Filesystem] Couldn't determine if file system is case sensitive, falling back to insensitive.")
+                    return true
+                }
+            }
+
+        // Worst-case: we're on Windows or using a FAT32 partition mounted in *nix.
+        // Note: we allow / as the path separator and expect all \s to be converted
+        // accordingly before the path is passed to the file system.
+        private val invalidChars = Regex("""[\\:*?"<>|]""") // original OC uses Set(); we use regex
+
+        fun isValidFilename(name: String) = !name.contains(invalidChars)
+
+        fun validatePath(path: String): String {
+            if (!isValidFilename(path)) {
+                throw IOException("path contains invalid characters")
+            }
+            return path
+        }
+
+        /** actual directory: <appdata>/Saves/<savename>/computers/<drivename>/
+         * directs media/ directory to /<uuid> directory
+         */
+        fun BaseTerrarumComputer.getRealPath(luapath: LuaValue): String {
+            // direct mounted paths to real path
+            val computerDir = Terrarum.currentSaveDir.absolutePath + "/computers/"
+            /* if not begins with "(/?)media/", direct to boot
+             * else, to corresponding drives
+             * 
+             * List of device names (these are auto-mounted. why? primitivism :p):
+             * = hda - hdd: hard disks
+             * = fd1 - fd4: floppy drives
+             * = sda: whatever external drives, usually a CD
+             * = boot: current boot device
+             */
+            
+            // remove first '/' in path
+            var path = luapath.checkjstring()
+            if (path.startsWith('/')) path = path.substring(1)
+            // replace '\' with '/'
+            path.replace('\\', '/')
+            
+            if (path.startsWith("media/")) {
+                val device = path.substring(6, 9)
+                val subPath = path.substring(9)
+                return computerDir + this.computerValue.getAsString("device") + subPath
+            }
+            else {
+                return computerDir + this.computerValue.getAsString("boot") + "/" + path
+            }
+        }
+
+        fun combinePath(base: String, local: String): String {
+            return "$base$local".replace("//", "/").replace("\\\\", "\\")
+        }
+    }
+
+    /**
+     * @param cname == UUID of the drive
+     *
+     * actual directory: <appdata>/Saves/<savename>/computers/<drivename>/
+     */
+    class ListFiles(val computer: BaseTerrarumComputer): OneArgFunction() {
+        override fun call(path: LuaValue): LuaValue {
+            val table = LuaTable()
+            val file = File(computer.getRealPath(path))
+            file.list().forEachIndexed { i, s -> table.insert(i, LuaValue.valueOf(s)) }
+            return table
+        }
+    }
+
+    class FileExists(val computer: BaseTerrarumComputer): OneArgFunction() {
+        override fun call(path: LuaValue): LuaValue {
+            return LuaValue.valueOf(File(computer.getRealPath(path)).exists())
+        }
+    }
+
+    class IsDirectory(val computer: BaseTerrarumComputer): OneArgFunction() {
+        override fun call(path: LuaValue): LuaValue {
+            return LuaValue.valueOf(File(computer.getRealPath(path)).isDirectory)
+        }
+    }
+
+    class IsFile(val computer: BaseTerrarumComputer): OneArgFunction() {
+        override fun call(path: LuaValue): LuaValue {
+            return LuaValue.valueOf(File(computer.getRealPath(path)).isFile)
+        }
+    }
+
+    class IsReadOnly(val computer: BaseTerrarumComputer): OneArgFunction() {
+        override fun call(path: LuaValue): LuaValue {
+            return LuaValue.valueOf(!File(computer.getRealPath(path)).canWrite())
+        }
+    }
+
+    /** we have 4GB file size limit */
+    class GetSize(val computer: BaseTerrarumComputer): OneArgFunction() {
+        override fun call(path: LuaValue): LuaValue {
+            return LuaValue.valueOf(File(computer.getRealPath(path)).length().toInt())
+        }
+    }
+
+    // TODO class GetFreeSpace
+
+    /**
+     * difference with ComputerCraft: it returns boolean, true on successful.
+     */
+    class Mkdir(val computer: BaseTerrarumComputer): OneArgFunction() {
+        override fun call(path: LuaValue): LuaValue {
+            return LuaValue.valueOf(File(computer.getRealPath(path)).mkdir())
+        }
+    }
+
+    /**
+     * moves a directory, overwrites the target
+     */
+    class Mv(val computer: BaseTerrarumComputer): TwoArgFunction() {
+        override fun call(from: LuaValue, to: LuaValue): LuaValue {
+            val fromFile = File(computer.getRealPath(from))
+            fromFile.copyRecursively(
+                    File(computer.getRealPath(to)), overwrite = true
+            )
+            fromFile.deleteRecursively()
+            return LuaValue.NONE
+        }
+    }
+
+    /**
+     * copies a directory, overwrites the target
+     * difference with ComputerCraft: it returns boolean, true on successful.
+     */
+    class Cp(val computer: BaseTerrarumComputer): TwoArgFunction() {
+        override fun call(from: LuaValue, to: LuaValue): LuaValue {
+            return LuaValue.valueOf(
+                    File(computer.getRealPath(from)).copyRecursively(
+                            File(computer.getRealPath(to)), overwrite = true
+                    )
+            )
+        }
+    }
+
+    /**
+     * difference with ComputerCraft: it returns boolean, true on successful.
+     */
+    class Rm(val computer: BaseTerrarumComputer): OneArgFunction() {
+        override fun call(path: LuaValue): LuaValue {
+            return LuaValue.valueOf(
+                    File(computer.getRealPath(path)).deleteRecursively()
+            )
+        }
+    }
+
+    class ConcatPath(val computer: BaseTerrarumComputer): TwoArgFunction() {
+        override fun call(base: LuaValue, local: LuaValue): LuaValue {
+            val combinedPath = combinePath(base.checkjstring(), local.checkjstring())
+            return LuaValue.valueOf(combinedPath)
+        }
+    }
+
+    /**
+     * @param mode: r, rb, w, wb, a, ab
+     *
+     * Difference: TEXT MODE assumes CP437 instead of UTF-8!
+     *
+     * When you have opened a file you must always close the file handle, or else data may not be saved.
+     *
+     * FILE class in CC:
+     * (when you look thru them using file = fs.open("./test", "w")
+     *
+     * file = {
+     *      close = function()
+     *      -- write mode
+     *      write = function(string)
+     *      flush = function() -- write, keep the handle
+     *      writeLine = function(string) -- text mode
+     *      -- read mode
+     *      readLine = function() -- text mode
+     *      readAll = function()
+     *      -- binary read mode
+     *      read = function() -- read single byte. return: number or nil
+     *      -- binary write mode
+     *      write = function(byte)
+     *      writeBytes = function(string as bytearray)
+     * }
+     */
+    class OpenFile(val computer: BaseTerrarumComputer): TwoArgFunction() {
+        override fun call(path: LuaValue, mode: LuaValue): LuaValue {
+            val mode = mode.checkjstring().toLowerCase()
+            val luaClass = LuaTable()
+            val file = File(computer.getRealPath(path))
+
+            if (mode.contains("[aw]") && !file.canWrite())
+                throw LuaError("Cannot open file for " +
+                               "${if (mode.startsWith('w')) "read" else "append"} mode" +
+                               ": is readonly.")
+
+            when (mode) {
+                "r"  -> {
+                    val fr = FileReader(file)
+                    luaClass["close"] = FileClassClose(fr)
+                    luaClass["readLine"] = FileClassReadLine(fr)
+                    luaClass["readAll"] = FileClassReadAll(fr)
+                }
+                "rb" -> {
+                    val fis = FileInputStream(file)
+                    luaClass["close"] = FileClassClose(fis)
+                    luaClass["read"] = FileClassReadByte(fis)
+                }
+                "w", "a"  -> {
+                    val fw = FileWriter(file,  (mode.startsWith('a')))
+                    luaClass["close"] = FileClassClose(fw)
+                    luaClass["write"] = FileClassPrintText(fw)
+                    luaClass["writeLine"] = FileClassPrintlnText(fw)
+                    luaClass["flush"] = FileClassFlush(fw)
+                }
+                "wb", "ab" -> {
+                    val fos = FileOutputStream(file, (mode.startsWith('a')))
+                    luaClass["close"] = FileClassClose(fos)
+                    luaClass["write"] = FileClassWriteByte(fos)
+                    luaClass["writeBytes"] = FileClassWriteBytes(fos)
+                    luaClass["flush"] = FileClassFlush(fos)
+                }
+            }
+
+            return luaClass
+        }
+    }
+
+    class GetParentDir(val computer: BaseTerrarumComputer): OneArgFunction() {
+        override fun call(path: LuaValue): LuaValue {
+            var pathSB = StringBuilder(path.checkjstring())
+
+            // backward travel, drop chars until '/' has encountered
+            while (!pathSB.endsWith('/') && !pathSB.endsWith('\\'))
+                pathSB.deleteCharAt(pathSB.lastIndex - 1)
+
+            // drop trailing '/'
+            if (pathSB.endsWith('/') || pathSB.endsWith('\\'))
+                pathSB.deleteCharAt(pathSB.lastIndex - 1)
+
+            return LuaValue.valueOf(pathSB.toString())
+        }
+    }
+
+
+
+    //////////////////////////////
+    // OpenFile implementations //
+    //////////////////////////////
+
+    private class FileClassClose(val fo: Any): ZeroArgFunction() {
+        override fun call(): LuaValue {
+            if (fo is FileOutputStream)
+                fo.close()
+            else if (fo is FileWriter)
+                fo.close()
+            else if (fo is FileReader)
+                fo.close()
+            else if (fo is FileInputStream)
+                fo.close()
+            else
+                throw IllegalArgumentException("Unacceptable file output: must be either Input/OutputStream or Reader/Writer.")
+
+            return LuaValue.NONE
+        }
+    }
+
+    private class FileClassWriteByte(val fos: FileOutputStream): OneArgFunction() {
+        override fun call(byte: LuaValue): LuaValue {
+            fos.write(byte.checkint())
+
+            return LuaValue.NONE
+        }
+    }
+
+    private class FileClassWriteBytes(val fos: FileOutputStream): OneArgFunction() {
+        override fun call(byteString: LuaValue): LuaValue {
+            val byteString = byteString.checkjstring()
+            val bytearr = ByteArray(byteString.length, { byteString[it].toByte() })
+            fos.write(bytearr)
+
+            return LuaValue.NONE
+        }
+    }
+
+    private class FileClassPrintText(val fw: FileWriter): OneArgFunction() {
+        override fun call(string: LuaValue): LuaValue {
+            val text = string.checkjstring()
+            fw.write(text)
+            return LuaValue.NONE
+        }
+    }
+
+    private class FileClassPrintlnText(val fw: FileWriter): OneArgFunction() {
+        override fun call(string: LuaValue): LuaValue {
+            val text = string.checkjstring() + "\n"
+            fw.write(text)
+            return LuaValue.NONE
+        }
+    }
+
+    private class FileClassFlush(val fo: Any): ZeroArgFunction() {
+        override fun call(): LuaValue {
+            if (fo is FileOutputStream)
+                fo.flush()
+            else if (fo is FileWriter)
+                fo.flush()
+            else
+                throw IllegalArgumentException("Unacceptable file output: must be either OutputStream or Writer.")
+
+            return LuaValue.NONE
+        }
+    }
+
+    private class FileClassReadByte(val fis: FileInputStream): ZeroArgFunction() {
+        override fun call(): LuaValue {
+            val readByte = fis.read()
+            return if (readByte == -1) LuaValue.NIL else LuaValue.valueOf(readByte)
+        }
+    }
+
+    private class FileClassReadAll(val fr: FileReader): ZeroArgFunction() {
+        override fun call(): LuaValue {
+            return LuaValue.valueOf(fr.readText())
+        }
+    }
+
+    private class FileClassReadLine(val fr: FileReader): ZeroArgFunction() {
+        val scanner = Scanner(fr.readText()) // keeps the scanner status persistent
+
+        override fun call(): LuaValue {
+            return if (scanner.hasNextLine()) LuaValue.valueOf(scanner.nextLine())
+                   else LuaValue.NIL
+        }
+    }
+}

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

@@ -0,0 +1,7 @@
+package net.torvald.terrarum.virtualcomputer.luaapi
+
+/**
+ * Created by minjaesong on 16-09-17.
+ */
+class FilesystemFactory {
+}

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

@@ -1,5 +1,6 @@
-package net.torvald.terrarum.virtualcomputer.lualib
+package net.torvald.terrarum.virtualcomputer.luaapi
 
+import li.cil.repack.org.luaj.vm2.Globals
 import li.cil.repack.org.luaj.vm2.LuaValue
 import li.cil.repack.org.luaj.vm2.lib.OneArgFunction
 import net.torvald.terrarum.gameworld.toUint
@@ -10,7 +11,19 @@ import java.security.SecureRandom
 /**
  * Created by minjaesong on 16-09-15.
  */
-class SecurityLib {
+internal class Security(globals: Globals) {
+
+    init {
+        // load things. WARNING: THIS IS MANUAL!
+        globals["security"] = LuaValue.tableOf()
+        globals["security"]["toSHA256"] = SHA256sum()
+        globals["security"]["toSHA1"] = SHA1sum()
+        globals["security"]["toMD5"] = MD5sum()
+        globals["security"]["randomBytes"] = SecureRandomHex()
+        globals["security"]["decodeBase64"] = DecodeBase64()
+        globals["security"]["encodeBase64"] = EncodeBase64()
+    }
+
     /** @return byteArray as String */
     class SHA256sum : OneArgFunction() {
         override fun call(p0: LuaValue): LuaValue {

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

@@ -1,4 +1,4 @@
-package net.torvald.terrarum.virtualcomputer.lualib
+package net.torvald.terrarum.virtualcomputer.luaapi
 
 import li.cil.repack.org.luaj.vm2.*
 import li.cil.repack.org.luaj.vm2.lib.*
@@ -10,37 +10,37 @@ import net.torvald.terrarum.virtualcomputer.terminal.Terminal
  *
  * Created by minjaesong on 16-09-12.
  */
-internal class TermLib(globals: Globals, term: Teletype) {
+internal class Term(globals: Globals, term: Teletype) {
 
     init {
         // load things. WARNING: THIS IS MANUAL!
         globals["term"] = LuaValue.tableOf()
-        globals["term"]["write"] = TermLib.WriteString(term)
-        globals["term"]["print"] = TermLib.PrintString(term)
-        globals["term"]["newLine"] = TermLib.NewLine(term)
-        globals["term"]["moveCursor"] = TermLib.MoveCursor(term) // TTY function
-        globals["term"]["width"] = TermLib.GetWidth(term)
-        globals["term"]["scroll"] = TermLib.Scroll(term)
-        globals["term"]["isTeletype"] = TermLib.IsTeletype(term)
+        globals["term"]["write"] = Term.WriteString(term)
+        globals["term"]["print"] = Term.PrintString(term)
+        globals["term"]["newLine"] = Term.NewLine(term)
+        globals["term"]["moveCursor"] = Term.MoveCursor(term) // TTY function
+        globals["term"]["width"] = Term.GetWidth(term)
+        globals["term"]["scroll"] = Term.Scroll(term)
+        globals["term"]["isTeletype"] = Term.IsTeletype(term)
 
         if (term is Terminal) {
-            globals["term"]["emitRaw"] = TermLib.EmitRaw(term)
-            globals["term"]["emit"] = TermLib.Emit(term)
-            globals["term"]["resetColor"] = TermLib.ResetColour(term)
-            globals["term"]["resetColour"] = TermLib.ResetColour(term)
-            globals["term"]["clear"] = TermLib.Clear(term)
-            globals["term"]["clearLine"] = TermLib.ClearLine(term)
-            globals["term"]["moveCursor"] = TermLib.SetCursorPos(term)
-            globals["term"]["getCursor"] = TermLib.GetCursorPos(term)
-            globals["term"]["getX"] = TermLib.GetCursorX(term)
-            globals["term"]["getY"] = TermLib.GetCursorY(term)
-            globals["term"]["blink"] = TermLib.SetCursorBlink(term)
-            globals["term"]["size"] = TermLib.GetSize(term)
-            globals["term"]["isCol"] = TermLib.IsColour(term)
-            globals["term"]["setForeCol"] = TermLib.SetForeColour(term)
-            globals["term"]["setBackCol"] = TermLib.SetBackColour(term)
-            globals["term"]["foreCol"] = TermLib.GetForeColour(term)
-            globals["term"]["backCol"] = TermLib.GetBackColour(term)
+            globals["term"]["emitRaw"] = Term.EmitRaw(term)
+            globals["term"]["emit"] = Term.Emit(term)
+            globals["term"]["resetColor"] = Term.ResetColour(term)
+            globals["term"]["resetColour"] = Term.ResetColour(term)
+            globals["term"]["clear"] = Term.Clear(term)
+            globals["term"]["clearLine"] = Term.ClearLine(term)
+            globals["term"]["moveCursor"] = Term.SetCursorPos(term)
+            globals["term"]["getCursor"] = Term.GetCursorPos(term)
+            globals["term"]["getX"] = Term.GetCursorX(term)
+            globals["term"]["getY"] = Term.GetCursorY(term)
+            globals["term"]["blink"] = Term.SetCursorBlink(term)
+            globals["term"]["size"] = Term.GetSize(term)
+            globals["term"]["isCol"] = Term.IsColour(term)
+            globals["term"]["setForeCol"] = Term.SetForeColour(term)
+            globals["term"]["setBackCol"] = Term.SetBackColour(term)
+            globals["term"]["foreCol"] = Term.GetForeColour(term)
+            globals["term"]["backCol"] = Term.GetBackColour(term)
         }
     }
 

src/net/torvald/terrarum/virtualcomputer/worldobject/FixtureBasicTerminal.kt

@@ -1,7 +1,7 @@
 package net.torvald.terrarum.virtualcomputer.worldobject
 
 import net.torvald.terrarum.gameactors.AVKey
-import net.torvald.terrarum.gameactors.FixturesBase
+import net.torvald.terrarum.gameactors.FixtureBase
 import net.torvald.terrarum.virtualcomputer.terminal.SimpleTextTerminal
 import net.torvald.terrarum.virtualcomputer.terminal.Terminal
 import net.torvald.terrarum.virtualcomputer.worldobject.ui.UITextTerminal
@@ -11,7 +11,7 @@ import java.util.*
 /**
  * Created by minjaesong on 16-09-08.
  */
-class FixturesBasicTerminal(phosphor: Color) : FixturesBase() {
+class FixtureBasicTerminal(phosphor: Color) : FixtureBase() {
 
     val vt: Terminal = SimpleTextTerminal(phosphor, 80, 25)
     val ui = UITextTerminal(vt)

src/net/torvald/terrarum/virtualcomputer/worldobject/FixtureComputerBase.kt

@@ -1,6 +1,6 @@
 package net.torvald.terrarum.virtualcomputer.worldobject
 
-import net.torvald.terrarum.gameactors.FixturesBase
+import net.torvald.terrarum.gameactors.FixtureBase
 import net.torvald.terrarum.virtualcomputer.computer.BaseTerrarumComputer
 import net.torvald.terrarum.virtualcomputer.terminal.SimpleTextTerminal
 import net.torvald.terrarum.virtualcomputer.terminal.Terminal
@@ -12,51 +12,30 @@ import java.util.*
 /**
  * Created by minjaesong on 16-09-08.
  */
-open class FixturesComputerBase() : FixturesBase() {
+open class FixtureComputerBase() : FixtureBase() {
 
     val processorCycle: Int // number of Lua statement to process per tick (1/100 s)
-        get() = ComputerPartsCodex.getProcessorCycles(actorValue.getAsInt("processor") ?: -1)
+        get() = ComputerPartsCodex.getProcessorCycles(computerInside!!.computerValue.getAsInt("processor") ?: -1)
     val memSize: Int // max: 8 GB
         get() {
             var size = 0
             for (i in 0..3)
-                size += ComputerPartsCodex.getRamSize(actorValue.getAsInt("memSlot$i") ?: -1)
+                size += ComputerPartsCodex.getRamSize(computerInside!!.computerValue.getAsInt("memSlot$i") ?: -1)
 
             return size
         }
 
     /** Connected terminal */
-    var terminal: FixturesBasicTerminal? = null
+    var terminal: FixtureBasicTerminal? = null
 
     var computerInside: BaseTerrarumComputer? = null
 
     init {
-        actorValue["memslot0"] = -1 // -1 indicates mem slot is empty
-        actorValue["memslot1"] = -1 // put index of item here
-        actorValue["memslot2"] = -1 // ditto.
-        actorValue["memslot3"] = -1 // do.
+        // UUID of the "brain"
+        actorValue["computerid"] = "none"
 
-        actorValue["processor"] = -1 // do.
-
-        // as in "dev/hda"; refers hard disk drive (and no partitioning)
-        actorValue["hda"] = "none" // 'UUID rendered as String' or "none"
-        actorValue["hdb"] = "none"
-        actorValue["hdc"] = "none"
-        actorValue["hdd"] = "none"
-        // as in "dev/fd1"; refers floppy disk drive
-        actorValue["fd1"] = "none"
-        actorValue["fd2"] = "none"
-        actorValue["fd3"] = "none"
-        actorValue["fd4"] = "none"
-        // SCSI connected optical drive
-        actorValue["sda"] = "none"
-
-        // UUID of this device
-        actorValue["uuid"] = UUID.randomUUID().toString()
 
         collisionFlag = COLLISION_PLATFORM
-
-
     }
 
     ////////////////////////////////////
@@ -66,6 +45,7 @@ open class FixturesComputerBase() : FixturesBase() {
     fun attachTerminal(uuid: String) {
         val fetchedTerminal = getTerminalByUUID(uuid)
         computerInside = BaseTerrarumComputer(fetchedTerminal)
+        actorValue["computerid"] = computerInside!!.UUID
     }
 
     fun detatchTerminal() {