marmots/whiteboard.py

#!/usr/bin/env python2

# This file is part of MarMOTS.
#
# MarMOTS is free software: you can redistribute it and/or modify it under the terms of the GNU Affero 
# General Public License as published by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# MarMOTS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the 
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General 
# Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License along with MarMOTS.  If not, 
# see <https://www.gnu.org/licenses/>.
#
# Copyright 2009, 2010, 2011, 2020 Jeremy Penner

from engine import *
from basetoken import *
from tpers import *
from datetime import *
from util import *
from scripting import Botdef, Flagdef, Defs, PselState, Pov, Vm
from world import GameWorld, Chl, ChlMsg, ChlAct, ChlSys, Chat, MiChat, Joiner
import telnet
import time
import login
import weakref
import sys

class Layer(TPrs):
    def InitPersistent(self, ascr, stName):
        self.ascr = ascr
        self.stName = stName

    def StName(self):
        return self.stName

    def SetName(self, st):
        self.stName = st

    def FSelectable(self):
        return True

class Project(Ownable):
    def InitPersistent(self, owner, stName, user):
        Ownable.InitPersistent(self, owner)
        self.stName = stName
        self.user = user
        self.rgdrawing = []
        self.rgscript = []
        
    def NewBoard(self, stName, user):
        board = Board(self, stName, user)
        self.rgdrawing.insert(0, board)
        return board
        
    def NewSprite(self, stName, user, w, h):
        sprite = Sprite(self, stName, user, w, h)
        self.rgdrawing.insert(0, sprite)
        return sprite
        
    def DrawingTouched(self, drawing):
        if drawing != self.rgdrawing[0]:
            self.rgdrawing.remove(drawing)
            self.rgdrawing.insert(0, drawing)
        self.owner.DrawingTouched(drawing)
    def StName(self):
        return self.owner.StNameProject(self)
    def DrawingLastModified(self):
        drawingLast = None
        for drawing in self.rgdrawing:
            if drawingLast == None or drawing.dtLastModified > drawingLast.dtLastModified:
                drawingLast = drawing
        return drawingLast
    def StLastModified(self):
        drawingLast = self.DrawingLastModified()
        if drawingLast != None:
            return drawingLast.StLastModified()
        return "never"
    def RgstMetadata(self):
        return ["by " + self.user, "", "Last modified:", self.StLastModified()]
        
class Drawing(Ownable):
    def InitPersistent(self, owner, stName, user, rglayer=None, dtLastModified=None):
        Ownable.InitPersistent(self, owner)
        if rglayer == None:
            rglayer = [Layer(ansi.Ascr(self.W(), self.H()), "Layer 1")]
        self.rglayer = rglayer
        self.stName = stName
        self.user = user
        self.chat = Chat()
        if dtLastModified == None:
            self.SetTimestamp()
        else:
            self.dtLastModified = dtLastModified

    def StName(self):
        return self.owner.owner.StNameDrawing(self)

    def RgstMetadata(self):
        return [self.StType(), "by " + self.user, "", "Last modified", self.StLastModified()]
        
    def StLastModified(self):
        return self.dtLastModified.strftime("%b %d, %Y at %I:%M%p")

    def LayerByName(self, stName):
        for layer in self.rglayer:
            if layer.StName().lower() == stName.lower():
                return layer
        return None

    def NewLayer(self, stName, ascr = None):
        if len(self.rglayer) < 8:
            if ascr == None:
                ascr = ansi.Ascr(self.W(), self.H())
            layerNew = Layer(ascr, stName)
            self.rglayer.append(layerNew)
            return layerNew

    def MoveLayer(self, layer, fUp):
        ilayer = self.rglayer.index(layer)
        if fUp and ilayer > 0:
            ilayer = ilayer - 1
        elif not fUp and ilayer < len(self.rglayer) - 1:
            ilayer = ilayer + 1
        self.rglayer.remove(layer)
        self.rglayer.insert(ilayer, layer)

    def Touch(self):
        self.SetTimestamp()
        self.owner.DrawingTouched(self)

    def SetTimestamp(self):
        self.dtLastModified = datetime.now()

    def FPlayable(self):
        return False

@Version(4)
class Board(Drawing):
    def InitPersistent(self, owner, stName, user, rglayer=None, dtLastModified=None):
        super(Board, self).InitPersistent(owner, stName, user, rglayer=rglayer, dtLastModified=dtLastModified)
        self.defs = Defs()

    def StType(self):
        return "Board"
    def W(self): return config.W
    def H(self): return config.H
    
    def FPlayable(self):
        return len([botdef for botdef in self.defs.rgbotdef if botdef.fPlayer]) > 0

    def draw(self, ascr):
        for layer in reversed(self.rglayer):
            ascr.PutAscr(layer.ascr)
    
    def DrawObjectDefs(self, ascr, bgColor = None):
        for botdef in self.defs.rgbotdef:
            ach = botdef.ach
            if bgColor != None:
                oach = ansi.Ach(ach)
                oach.bgCol = bgColor
                ach = oach.ToAch()
            ascr.PutAch(ach, botdef.x, botdef.y)

    def Save(self):
        fn = config.DIR_ANSI + "/" + "_".join([str(x) for x in time.localtime()])
        ascr = ansi.Ascr(self.W(), self.H())
        self.draw(ascr)
        with open(fn + ".html", "w") as fl:
            fl.write("<html><body bgcolor='#000000'><center>")
            fl.write(ascr.Hst())
            fl.write("</center></body></html>")
        with open(fn + ".ans", "w") as fl:
            fl.write(ascr.Ast())

    def UpgradeFrom(self, versionOld):
        if versionOld < 2:
            gameWB = [gameWB for gameWB in self.owner.rggameWB if gameWB.rgtoken("whiteboard")[0].board == self][0]
            self.stName = gameWB.stName
            self.user = gameWB.user
        if versionOld < 3:
            self.chat = Chat()
        if versionOld < 4:
            self.defs = Defs()

    def LayerObj(self):
        return self.rglayer[0]

    def AchAtPos(self, pos, layer = None):
        if layer == None:
            layer = self.LayerObj()
        return layer.ascr.GetAch(pos.X(), pos.Y())

class Sprite(Drawing):
    def InitPersistent(self, owner, stName, user, w, h):
        self.w = w
        self.h = h
        Drawing.InitPersistent(self, owner, stName, user, [Layer(ansi.Ascr(w, h), "Frame 1")])

    def StType(self):   return "Sprite"        
    def W(self):        return self.w
    def H(self):        return self.h
    
    def draw(self, ascr, x, y, iframe):
        ascr.PutAscr(self.rglayer[iframe].ascr, x, y)

    def RgstMetadata(self):
        return [self.StType(), "by " + self.user, "", str(self.w) + "x" + str(self.h), str(len(self.rglayer)) + " frames", "", "Last modified", self.StLastModified()]

@Version(5)
class Whiteboard(Token):
    def InitPersistent(self, game, board):
        Token.InitPersistent(self, game, "whiteboard")
        self.board = board

    def UpgradeFrom(self, versionOld):
        if versionOld < 3:
            dt = None
        else:
            dt = self.dtLastModified
            del self.dtLastModified
        if versionOld < 4:
            rglayer = [Layer(self.ascr, "Layer 1")]
            del self.ascr
            self.untag("drawable")
            self.untag("solid")
        else:
            rglayer = self.rglayer
            del self.rglayer
        if versionOld < 5:
            self.board = Board(self.game.gameLobby, self.game.stName, self.game.user, rglayer, dt)

class Cursor(TokenClient):
    def InitPersistent(self, game, client):
        TokenClient.InitPersistent(self, game, client, "drawable", "cursor")
        self.fBlink = False
        self.cDontBlink = 0
        self.pos = ansi.Pos(self.game.drawing.W(), self.game.drawing.H())
        self.SetupMenus()
        self.SelectLayer(self.game.drawing.rglayer[0])
        self.CreateDrawingToken()

    def CreateDrawingToken(self):
        WhiteboardDraw(self, self.client)
        
    def SetupMenus(self):
        miFg = MiColour("Foreground", ansi.rgcolorFg, ansi.WHITE)
        miBg = MiColour("Background", ansi.rgcolorBg, ansi.BLACK)
        miChars = MiChars([[49, 50, 51, 52, 53, 54, 55, 56, 57, 48], #digits
                     [176, 177, 178, 219, 223, 220, 221, 222, 254, 249], #blocks
                     [218, 191, 192, 217, 196, 179, 195, 180, 193, 194], #single lines
                     [201, 187, 200, 188, 205, 186, 204, 185, 202, 203], #double lines
                     [213, 184, 212, 190, 205, 179, 198, 181, 207, 209], #sing vert, doub horiz
                     [214, 183, 211, 189, 196, 186, 199, 182, 208, 210], #doub vert, sing horiz
                     [197, 206, 216, 215, 173, 168, 169, 170, 174, 175], #crosses
                     [  1,  2,  3,  4,  5,  6, 14, 15, 19, 20], #smiles
                     [224, 225, 226, 227, 228, 229, 230, 231, 232, 233], #greek
                     [234, 235, 236, 237, 238, 239, 240, 241, 242, 243], #crap
                     [244, 245, 246, 247, 248, 249, 251, 252, 253, 167], #more crap
                     [155, 156, 157, 158, 159, 171, 172, 166, 32, 32], #$
                     [142, 132, 131, 143, 134, 133, 160, 145, 146, 32], #a
                     [128, 135, 137, 136, 138, 144, 130, 164, 165, 32], #c, e, n
                     [139, 140, 141, 161, 153, 148, 147, 149, 162, 32], #i, o
                     [154, 129, 150, 151, 163, 32, 32, 32, 32, 32], #u
                    ], miFg, miBg)
                    
        miQuit = MiButton("Back to Menu", self.client.leaveGame)
        self.cf = self.MenuDrawing(miFg, miBg, miChars, miQuit)
        chat = self.game.drawing.chat
        self.miChat = MiMenu([None, MiChat(self.client, 13, chat), MiTypein(Partial(chat.SendMsg, self.client)), None, miQuit, None])
        self.rgmiLayer = RgmiProjected(self.game.drawing.rglayer, DgProjectMiButton(self.SelectLayer, self.StLayerName))
        self.miLayers = self.MenuLayers(miQuit)
        self.ovPopup = OvPopup(self, self.client, MiTab.MiTabbed(["Drawing", self.cf], [self.StLayerTab(), self.miLayers], ["Chat", self.miChat]))
        miStatus = MiMenuHoriz([MiDgText(self.StStatus), MiValue(miChars)])
        miStatus.ListenForNotice(self.miChat)
        self.ovStatus = OvStatic(self, self.client, miStatus, OvStatic.BOTTOM)

    def StLayerName(self, layer):
        return ('[Bot] ' if layer == self.game.drawing.LayerObj() else '') + layer.StName()

    def StStatus(self):
        stStatus = "<Tab>: Menu"
        if self.GetLayer() == self.game.drawing.LayerObj():
            botdef = self.BotdefAtPos(self.pos)
            if botdef:
                stStatus += " | <Enter>: Edit bot"
            elif self.game.drawing.AchAtPos(self.pos) != ansi.achBlank:
                stStatus += " | <Enter>: Make bot"
        return stStatus

    def BotdefAtPos(self, pos):
        for botdef in self.game.drawing.defs.rgbotdef:
            if botdef.x == pos.X() and botdef.y == pos.Y():
                return botdef

    def MenuDrawing(self, miFg, miBg, miChars, miQuit):
        return MiMenu([None, miFg, miBg, None, miChars, None, MiButton("Save to ANSI Gallery", self.Save), None, miQuit, None])
        
    def MenuLayers(self, miQuit):
        return MiMenu(Rgseq([None], self.rgmiLayer, [None, MiButton("New Layer", self.NewLayer), MiButton("Move up", self.LayerUp), MiButton("Move down", self.LayerDown),
                           None, MiToggle("Show One"), None, 
                           MiStatic("Rename selected layer:"), MiTypein(self.RenameLayer, "LayerName", 80), None, miQuit, None]))
    def StLayerTab(self): return "Layers"
    def Save(self):
        self.game.drawing.Save()
        msgscroller = self.game.rgtoken("msgscroller")[0]
        msgscroller.evPost.fire("Saved picture")

    def SelectLayer(self, layer):
        self.ovPopup.SetSelection("layer", self.rgmiLayer.MiFromValue(layer))
        miRename = self.miLayers.MiByName("LayerName").SetValue(layer.StName())
        return True

    def GetLayer(self):
        selLayer = self.ovPopup.GetSelection("layer")
        return selLayer.Value().Value() if selLayer else None

    def NewLayer(self):
        ilayer = 1
        stLayer = None
        while stLayer == None:
            stLayer = "Layer " + str(ilayer)
            if self.game.drawing.LayerByName(stLayer) != None:
                stLayer = None
            ilayer = ilayer + 1
        layerNew = self.game.drawing.NewLayer(stLayer)
        if layerNew != None:
            self.SelectLayer(layerNew)
        return True

    def LayerUp(self):
        self.game.drawing.MoveLayer(self.GetLayer(), True)
        return True

    def LayerDown(self):
        self.game.drawing.MoveLayer(self.GetLayer(), False)
        return True

    def RenameLayer(self, st):
        if st != "":
            self.GetLayer().SetName(st)
            return True

    def blinkCursor(self, fBlink):
        self.fBlink = fBlink
        if not fBlink and self.cDontBlink > 0:
            self.cDontBlink = self.cDontBlink - 1

    def OnChat(self, chl):
        if type(chl) != ChlSys:
            self.miChat.FlagNotice()

    def run(self):
        with self.game.drawing.chat.evChat.oob(self, self.OnChat):
            while True:
                key = self.EvKey().receive(self)
                fDontBlink = True
                if key == ansi.K_LEFT:
                    self.pos.Left()
                elif key == ansi.K_RIGHT:
                    self.pos.Right()
                elif key == ansi.K_UP:
                    self.pos.Up()
                elif key == ansi.K_DOWN:
                    self.pos.Down()
                elif key == ansi.K_BACKSPACE:
                    self.pos.Left()
                    self.PutWb(ansi.achBlank)
                elif key == ansi.K_DEL:
                    self.PutWb(ansi.achBlank)
                    self.pos.Right()
                elif key == ansi.K_TAB:
                    fDontBlink = False
                    self.ovPopup.evShow.fire()
                    self.ovPopup.evDone.receive(self)
                elif key == ansi.K_HOME:
                    self.Skip(self.pos.Left)
                elif key == ansi.K_END:
                    self.Skip(self.pos.Right)
                elif key == ansi.K_PGUP:
                    self.Skip(self.pos.Up)
                elif key == ansi.K_PGDN:
                    self.Skip(self.pos.Down)
                elif key == ansi.K_NEWLINE or key == ansi.K_RETURN:
                    self.EditBot()
                elif ansi.FKeyPrintable(key):
                    if key.isdigit():
                        self.PutWb(chr(self.cf.Value("Characters")[IchFromCh(key)]))
                    else:
                        self.PutWb(key)
                    self.pos.Right()
                else:
                    print "weird key:", ansi.StrKey(key)
                    fDontBlink = False

                if fDontBlink:
                    self.cDontBlink = 2 if self.fBlink else 1

                if (self.game.drawing.H() < config.H) or (self.pos.Y() < self.game.drawing.H() / 2):
                    self.ovStatus.kplace = OvStatic.BOTTOM
                else:
                    self.ovStatus.kplace = OvStatic.TOP

    def PutWb(self, ch):
        self.Put(ch, self.GetLayer().ascr)
        self.game.drawing.Touch()

    def Put(self, ch, ascr, xzOffset = 0, yzOffset = 0):
        if type(ch) == str:
            ach = ansi.MkAch(ch, self.cf.Value("Foreground"), self.cf.Value("Background"))
        else:
            ach = ch
        ascr.PutAch(ach, self.pos.X() + xzOffset, self.pos.Y() + yzOffset)

    def GetAch(self):
        return self.GetLayer().ascr.GetAch(self.pos.X(), self.pos.Y())

    def Skip(self, dgMove):
        self.SkipI(dgMove, self.GetAch())

    def SkipI(self, dgMove, ach):
        fStop = False
        while not fStop:
            fStop = not dgMove() or self.GetAch() != ach

    def XzYzScreenPic(self):
        layer = self.GetLayer()
        return ((config.W - layer.ascr.W()) / 2, (config.H - layer.ascr.H()) / 2)

    def FDrawCursor(self):
        return self.fBlink or self.cDontBlink > 0
        
    def EditBot(self):
        if self.GetLayer() == self.game.drawing.LayerObj():
            botdef = self.BotdefAtPos(self.pos)
            ach = self.game.drawing.AchAtPos(self.pos)
            fNewBot = ach != ansi.achBlank if not botdef else False
            if not fNewBot and not botdef:
                return
            if fNewBot:
                botdef = Botdef('Bot ' + str(len(self.game.drawing.defs.rgbotdef) + 1) + ' (' + ansi.Ach(ach).ch + ')', ach, self.pos.X(), self.pos.Y())
                self.game.drawing.defs.rgbotdef.append(botdef)

            evDone = Event(self.game)
            
            miBotName = MiTypein(None, "BotName", 80)
            miBotName.SetValue(botdef.stName)
            miMenu =  MiMenu([None, 
                MiStatic("Bot Name"), miBotName, 
                MiToggle("Is Player", botdef.fPlayer),
                MiButton("Edit Code (live)", lambda: self.client.joinGame(self.game.GameSyntEdit(botdef.syntOnTouch))), None,
                MiButton("Save", lambda: evDone.fire(True)), None, None,
                MiButtonConfirm("Delete", "Hit RETURN again to confirm!", lambda: evDone.fire(False)), None])

            ov = OvMenu(self, self.client, miMenu, OvMenu.MIDDLE)
            try:
                result = evDone.receive(self)
            finally:
                ov.die()
            if result:
                botdef.stName = miBotName.Value()
                botdef.fPlayer = miMenu.MiByName("Is Player").Value()
            else:
                self.game.drawing.defs.rgbotdef.remove(botdef)

    def draw(self, ascr, client):
        if self.FDrawCursor():
            if client == self.client:
                chCursor = chr(176)
                ach = ascr.GetAch(self.pos.X(), self.pos.Y())
                if ach != None and ansi.ChFromAch(ach) == chCursor:
                    chCursor = chr(177)
                self.Put(chCursor, ascr, *self.XzYzScreenPic())
            elif self.fBlink:
                self.Put(str(self.Cldg().iclient)[0], ascr, *self.XzYzScreenPic())

class CursorSprite(Cursor):
    def InitPersistent(self, game, client):
        Cursor.InitPersistent(self, game, client)
        self.blinkerAnimate = None
        
    def CreateDrawingToken(self):
        SpriteDraw(self, self.client)

    def MenuDrawing(self, miFg, miBg, miChars, miQuit):
        return MiMenu([None, miFg, miBg, None, miChars, None, miQuit, None])
        
    def MenuLayers(self, miQuit):
        return MiMenu(Rgseq([None], self.rgmiLayer, [None, MiButton("New Frame", self.NewLayer), MiButton("Move up", self.LayerUp), MiButton("Move down", self.LayerDown),
                      None, MiStatic("Rename selected frame:"), MiTypein(self.RenameLayer, "LayerName", 80), None, MiButton("Animate", self.Animate), None, miQuit, None]))

    def StLayerName(self, layer): return layer.StName()
    def StStatus(self):           return "Hit <Tab> for menu"
    def StLayerTab(self):         return "Frames"

    def NewLayer(self):
        stLayer = "Frame " + str(len(self.game.drawing.rglayer) + 1)
        layer = self.GetLayer()
        ascr = ansi.Ascr(self.game.drawing.W(), self.game.drawing.H())
        ascr.PutAscr(layer.ascr)
        layerNew = self.game.drawing.NewLayer(stLayer, ascr)
        if layerNew != None:
                self.SelectLayer(layerNew)
        return True

    def Animate(self):
        if (self.blinkerAnimate == None):
            self.blinkerAnimate = Blinker(self, self.SelectLayer, self.game.drawing.rglayer, interval = 300)
            self.ovPopup.SetSelection("animate", self.miLayers.MiByName("Animate"))
        else:
            self.blinkerAnimate.die()
            self.blinkerAnimate = None
            self.ovPopup.SetSelection("animate", None)
    def FDrawCursor(self):
        if self.blinkerAnimate:
            return False
        return Cursor.FDrawCursor(self)

class WhiteboardDraw(TokenClient):
    def InitPersistent(self, owner, client):
        TokenClient.InitPersistent(self, owner, client, "drawable", "solid", "cursor")
        self.color = 0
        self.fBlink = False

    def draw(self, ascr, client):
        if client == self.client:
            fDrawObjects = True
            if self.owner.miLayers.Value("Show One"):
                ascr.PutAscr(self.owner.GetLayer().ascr)
                fDrawObjects = self.owner.GetLayer() == self.owner.LayerObj()
            else:
                self.game.drawing.draw(ascr)
            if fDrawObjects:
                self.game.drawing.DrawObjectDefs(ascr, self.color if not self.fBlink else None)

    def blinkCursor(self, fBlink):
        self.fBlink = fBlink
        if fBlink:
            self.color = (self.color + 1) % 8

class SpriteDraw(TokenClient):
    def InitPersistent(self, owner, client):
        TokenClient.InitPersistent(self, owner, client, "drawable", "solid")
    
    def draw(self, ascr, client):
        if client == self.client:
            (xz, yz) = self.owner.XzYzScreenPic()
            x = xz + 1
            y = yz + 1
            layer = self.owner.GetLayer()
            ascr.PutAscr(layer.ascr, x, y)
            # draw border
            ascr.PutAch(ansi.MkAch(chr(218), ansi.WHITE | ansi.FBRIGHT), x - 1, y - 1)                              # top-left
            ascr.PutAch(ansi.MkAch(chr(191), ansi.WHITE | ansi.FBRIGHT), x + layer.ascr.W(), y - 1)                 # top-right
            ascr.PutAch(ansi.MkAch(chr(192), ansi.WHITE | ansi.FBRIGHT), x - 1, y + layer.ascr.H())                 # bottom-left
            ascr.PutAch(ansi.MkAch(chr(217), ansi.WHITE | ansi.FBRIGHT), x + layer.ascr.W(), y + layer.ascr.H())    # bottom-right
            for yT in (y - 1, y + layer.ascr.H()):
                ascr.PutSt(chr(196) * layer.ascr.W(), x, yT, ansi.WHITE | ansi.FBRIGHT)     # -
            for xT in (x - 1, x + layer.ascr.W()):
                for yT in xrange(y, y + layer.ascr.H()):
                    ascr.PutAch(ansi.MkAch(chr(179), ansi.WHITE | ansi.FBRIGHT), xT, yT)    # |

class CursorBlinker(Token):
    def InitPersistent(self, owner):
        Token.InitPersistent(self, owner)
        Blinker(self, self.BlinkAllCursors)

    def BlinkAllCursors(self, fBlink):
        for tok in self.game.rgtoken("cursor"):
            tok.blinkCursor(fBlink)

class MiColour(MiList):
    def InitPersistent(self, stName, rgcolor, col):
        self.rgcolor = rgcolor
        MiList.InitPersistent(self, rgcolor, rgcolor.index(col))
        self.stName = stName

    def StName(self):
        return self.stName

    def DrawValue(self, ascr, x, y, selor):
        for icol in range(len(self.rgcolor)):
            col = self.rgcolor[icol]
            ascr.PutAch(ansi.MkAch(chr(219) if icol != self.ival else chr(254), col, ansi.BLACK if col != ansi.BLACK else ansi.WHITE), x + icol, y)

class MiChars(MiList):
    def InitPersistent(self, rgchar, miFg, miBg):
        MiList.InitPersistent(self, rgchar)
        self.miFg = miFg
        self.miBg = miBg
    def StName(self):
        return "Characters"
    def DrawValue(self, ascr, x, y, selor):
        for ich, ch in enumerate(self.Value()):
            ascr.PutSt(ChFromIch(ich) + ":", x, y, self.ColFg(), self.ColBg(selor))
            ascr.PutAch(ansi.MkAch(chr(ch), self.miFg.Value(), self.miBg.Value()), x + 2, y)
            x = x + 4

def ChFromIch(ich):
    if ich == 9:
        return '0'
    return str(ich + 1)

def IchFromCh(ch):
    if ch == '0':
        return 9
    return int(ch) - 1

class Lobby(TokenClient):
    def InitPersistent(self, owner, client):
        TokenClient.InitPersistent(self, owner, client)
        drawing = client.Cldg(self.game).drawingSelected
        if drawing == None:
            self.lobbyCurrent = LobbyProject(self, client)
        else:
            self.lobbyCurrent = LobbyBoard(self, client, drawing.owner, drawing)
    
    def SwitchToLobby(self, lobbyNew):
        lobbyOld = self.lobbyCurrent
        self.lobbyCurrent = lobbyNew
        lobbyOld.die()
        
class LobbyI(TokenClient):
    def InitPersistent(self, owner, client, objSelected = None, *rgmiListTop):
        TokenClient.InitPersistent(self, owner, client)
        
        rgmiList = RgmiProjected(self.RgObj(), DgProjectMiButton(self.OnObjSelected))
        if rgmiListTop != None:
            rgmiList = Rgseq(rgmiListTop, rgmiList)
        self.miDrawings = MiMenu(rgmiList)
        if objSelected:
            mi = self.miDrawings.MiByName(objSelected.StName())
            self.miDrawings.selMi.SetSelected(mi)
        self.miCmds = self.CreateMiCmds()
        OvMenu(self, client, MiMenuHoriz([self.miDrawings, self.miCmds], [65, 35]), OvMenu.FILL)

    def RgObj(self):
        "Return the list of objects we are selecting from"
        raise "not implemented"

    def OnObjSelected(self, obj):
        "Called when an object is selected by the user"
        raise "not implemented"

    def RgstMetadata(self, obj):
        "Return a list of strings containing user-readable metadata about the object"
        raise "not implemented"
        
    def StMetadata(self):
        try:
            return "\n".join(self.RgstMetadata(self.miDrawings.Value()))
        except:
            return ""
    
    def MiTypein_MiButton_DgNew(self, stBtnLabel, stMiTypein, dgOnSelect):
        def NewI(*rgarg):
            stName = self.miCmds.Value(stMiTypein)
            if stName != "":
                dgOnSelect(stName)
        return (MiTypein(NewI, stMiTypein), MiButton(stBtnLabel, NewI), NewI)
    
    def MiTypein_MiButton(self, stBtnLabel, stMiTypein, dgOnSelect):
        return self.MiTypein_MiButton_DgNew(stBtnLabel, stMiTypein, dgOnSelect)[:2]
        
class LobbyBoard(LobbyI):
    def InitPersistent(self, owner, client, project, drawing = None):
        self.project = project
        LobbyI.InitPersistent(self, owner, client, drawing, MiButton("<-- Back to projects", self.Back), None)

    def CreateMiCmds(self):
        miTypeinBoard, miBtnNewBoard = self.MiTypein_MiButton("New Board", "BoardName", self.NewBoard)
        miTypeinSpr, miBtnNewSpr, dgNewSprite = self.MiTypein_MiButton_DgNew("New Sprite", "SpriteName", self.NewSprite)
        miTypeinW = MiTypein(dgNewSprite, "w")
        miTypeinW.SetValue("1")
        miTypeinH = MiTypein(dgNewSprite, "h")
        miTypeinH.SetValue("1")
        self.miDimensions = MiMenuHoriz([MiStatic("W:"), miTypeinW, MiStatic("H:"), miTypeinH])
        
        return MiMenu([None, None, miTypeinBoard, miBtnNewBoard, None, None, miTypeinSpr, self.miDimensions, miBtnNewSpr, None, None, None, None, None, MiDgText(self.StMetadata)])
    
    def RgObj(self):
        return self.project.rgdrawing

    def OnObjSelected(self, board):
        if board.FPlayable():
            self.owner.SwitchToLobby(LobbyWorld(self.owner, self.client, self.project, board))
        else:
            self.client.leaveGame((board, self.game.GameFromDrawing(board)))

    def NewBoard(self, stName):
        self.OnObjSelected(self.project.NewBoard(stName, self.client.cld.user))

    def NewSprite(self, stName):
        try:
            w = int(self.miDimensions.Value("w"))
            h = int(self.miDimensions.Value("h"))
            if 0 < w < config.W and 0 < h < config.H:
                self.OnObjSelected(self.project.NewSprite(stName, self.client.cld.user, w, h))
        except:
            pass

    def RgstMetadata(self, board):
        if board != None:
            return board.RgstMetadata()
        return self.project.RgstMetadata()
        
    def Back(self):
        self.owner.SwitchToLobby(LobbyProject(self.owner, self.client, self.project))
        
class LobbyProject(LobbyI):
    def CreateMiCmds(self):
        miTypein, miBtnNew = self.MiTypein_MiButton("New Project", "ProjName", self.New)
        return MiMenu([None, None, miTypein, miBtnNew, None, None, None, None, None, None, None, None, MiDgText(self.StMetadata)])

    def RgObj(self):
        return self.game.rgproject

    def OnObjSelected(self, project):
        self.owner.SwitchToLobby(LobbyBoard(self.owner, self.client, project))

    def New(self, stName):
        project = self.game.NewProject(stName, self.client.cld.user)
        self.OnObjSelected(project)

    def RgstMetadata(self, project):
        return project.RgstMetadata()

class LobbyWorld(LobbyI):
    def InitPersistent(self, owner, client, project, board):
        self.project = project
        self.board = board
        LobbyI.InitPersistent(self, owner, client, None, MiButton("<-- Back to drawings", self.Back), None)

    def CreateMiCmds(self):
        miBtnNew = MiButton("New Game", self.NewGame)
        miBtnEdit = MiButton("Edit board", self.Edit)
        return MiMenu([None, None, miBtnNew, None, miBtnEdit, None, None, None, None, MiDgText(self.StMetadata)])
    
    def RgObj(self):
        return self.game.RggameWorld(self.board)

    def OnObjSelected(self, game):
        self.client.leaveGame((self.board, game))
    
    def NewGame(self):
        self.OnObjSelected(self.game.StartNewWorld(self.board))

    def Edit(self):
        self.client.leaveGame((self.board, self.game.GameFromDrawing(self.board)))

    def Back(self):
        self.owner.SwitchToLobby(LobbyBoard(self.owner, self.client, self.project, self.board))
    
    def RgstMetadata(self, game):
        return [client.cld.user for client in game.RgclientConnected()]
        
class RunnerWB(Runner):
    def InitPersistent(self):
        self.gameLobby = GameLobby()
        Runner.InitPersistent(self)

    def RunGame(self, client):
        if (client.joinGame(GameLogin())):
            client.Cldg(self.gameLobby).drawingSelected = None
            while True:
                drawing, game = client.joinGame(self.gameLobby)
                client.Cldg(self.gameLobby).drawingSelected = drawing
                client.joinGame(game)

class GameLogin(Game):
    def GetRgclsTokTrans(self):
        return [[AutoJoiner, login.LoginTerm]]

class Mpsubgame(TPrs):
    def InitPersistent(self, game, dgMakeGame):
        self.game = game
        self.dgMakeGame = dgMakeGame
        self.mpkey_subgame = {}
    
    def SubgameFromKey(self, key):
        if not (key in self.mpkey_subgame):
            subgame = self.dgMakeGame(key)
            subgame.rgdgdie.append(Partial(self.KillSubgame, key))
            self.mpkey_subgame[key] = subgame
        return self.mpkey_subgame[key]
    
    def KillSubgame(self, key):
        del self.mpkey_subgame[key]
    
    def __contains__(self, key):
        return key in self.mpkey_subgame

    def __getitem__(self, key):
        return self.mpkey_subgame[key]
        
@Version(7)
class GameLobby(Game):
    def InitPersistent(self):
        self.rgproject = []
        Game.InitPersistent(self)

    def InitTransient(self):
        Game.InitTransient(self)
        self.mpdrawing_game = Mpsubgame(self, self.MakeGameFromDrawing)
        self.mpdrawingsynt_game = Mpsubgame(self, self.MakeGameSyntEdit)
        self.mpboard_rggame = {}

    def GetRgclsTokTrans(self):
        return [[AutoJoiner, Lobby]]

    def GameFromDrawing(self, drawing):
        return self.mpdrawing_game.SubgameFromKey(drawing)

    def MakeGameFromDrawing(self, drawing):
        if drawing.StType() == "Board":
            return GameWB(self, drawing)
        elif drawing.StType() == "Sprite":
            return GameSprEdit(self, drawing)
        else:
            assert False, "Lobby not prepared to deal with drawing of type " + drawing.StType()
    
    # we accidentally persisted references to this method that are immediately removed by Chat.InitTransient()
    def KillBoard(self, drawing):
        pass

    def GameFromSynt(self, drawing, synt):
        return self.mpdrawingsynt_game.SubgameFromKey((drawing, synt))

    def MakeGameSyntEdit(self, drawing_synt):
        drawing, synt = drawing_synt
        return GameSyntEdit(drawing, synt)

    def StartNewWorld(self, board):
        if board not in self.mpboard_rggame:
            self.mpboard_rggame[board] = []
        game = GameWorld(board)
        game.rgdgdie.append(Partial(self.OnWorldDie, game))
        self.mpboard_rggame[board].append(game)
        return game

    def OnWorldDie(self, game):
        rggame = self.mpboard_rggame[game.board]
        rggame.remove(game)
        if len(rggame) == 0:
            del self.mpboard_rggame[game.board]
    
    def RggameWorld(self, board):
        if board in self.mpboard_rggame:
            return self.mpboard_rggame[board]
        return []

    def CclientDrawing(self, drawing):
        cclient = 0
        if drawing in self.mpdrawing_game:
            cclient += len(self.mpdrawing_game[drawing].RgclientConnected())
        for gameWorld in self.RggameWorld(drawing):
            cclient += len(gameWorld.RgclientConnected())
        return cclient
        
    def StNameProject(self, project):
        return project.stName + " [" + str(sum([self.CclientDrawing(drawing) for drawing in project.rgdrawing])) + "]"
        
    def StNameDrawing(self, drawing):
        return drawing.stName + " [" + str(self.CclientDrawing(drawing)) + "]"

    def NewProject(self, stName, user):
        proj = Project(self, stName, user)
        self.rgproject.insert(0, proj)
        return proj
        
    def DrawingTouched(self, drawing):
        project = drawing.owner
        if project != self.rgproject[0]:
            self.rgproject.remove(project)
            self.rgproject.insert(0, project)
        #haaaack
        self.ensureRun() # redraw

    def UpgradeFrom(self, versionOld):
        if versionOld < 3:
            for gameWB in self.rggameWB:
                gameWB.gameLobby = self
        if versionOld < 4:
            self.rgboard = [game.rgtoken("whiteboard")[0].board for game in self.rggameWB]
            for gameWB in self.rggameWB:
                gameWB.finish()
        if versionOld < 5:
            del self.rggameWB
        if versionOld < 6:
            project = Project(self, "Drawings", "Willy Marmot")
            for board in self.rgboard:
                board.TransferToOwner(project)
                project.rgdrawing.append(board)
            del self.rgboard
            self.rgproject = [project]

         # ugh, upgrading parent classes is broken in our model :(
        if versionOld < 6:
            Game.UpgradeFrom(self, 1)
        elif versionOld < 7:
            Game.UpgradeFrom(self, 2)

class GameWB(Game):
    def InitPersistent(self, gameLobby, board):
        self.gameLobby = gameLobby
        self.drawing = board
        Game.InitPersistent(self)

    def InitTransient(self):
        Game.InitTransient(self)
        if not self.FDead():
            self.drawing.chat.AttachToGame(self)
            self.rgdgdie.append(self.drawing.chat.DetachFromGame)

    def Chat(self):
        return self.drawing.chat

    def ClsCursor(self):
        return Cursor

    def GetRgclsTokTrans(self):
        return [MsgScroller, Joiner, [AutoJoiner, self.ClsCursor()], [AliveWithPlayers, CursorBlinker], AutoKiller]

    def GetRgtagDraw(self):
        return ["background", "solid", "cursor", "menu", "msgscroller"]
    
    def GameSyntEdit(self, synt):
        return self.gameLobby.GameFromSynt(self.drawing, synt)

class GameSyntEdit(Game):
    def InitPersistent(self, board, synt):
        Game.InitPersistent(self)
        self.board = board
        self.synt = synt
        
    def GetRgclsTokTrans(self):
        return [[PselState, self.board.defs, self.synt], [AutoJoiner, [Pov, self.board.defs, self.synt]]]

class GameSprEdit(GameWB):
    def ClsCursor(self):
        return CursorSprite

if __name__ == "__main__":
    if len(sys.argv) > 1:
        config.override(sys.argv[1])
    Run(RunnerWB, config.ODBPATH)