#===============================================================================
#
#===============================================================================
class Scene_Map
  def updatemini
    oldmws=$game_temp.message_window_showing
    oldvis=false
    $game_temp.message_window_showing=true
    loop do
      $game_map.update
      $game_player.update
      $game_system.update
      if $game_screen
        $game_screen.update
      else
        $game_map.screen.update
      end
      break unless $game_temp.player_transferring
      transfer_player
      break if $game_temp.transition_processing
    end
    $game_temp.message_window_showing=oldmws
    @spriteset.update if @spriteset
    @message_window.update if @message_window
  end
end



class Scene_Battle
  def updatemini
    if self.respond_to?("update_basic")
      update_basic(true)
      update_info_viewport                  # Update information viewport
    else
      oldmws=$game_temp.message_window_showing
      $game_temp.message_window_showing=true
      # Update system (timer) and screen
      $game_system.update
      if $game_screen
        $game_screen.update
      else
        $game_map.screen.update
      end
      # If timer has reached 0
      if $game_system.timer_working and $game_system.timer == 0
        # Abort battle
        $game_temp.battle_abort = true
      end
      # Update windows
      @help_window.update if @help_window
      @party_command_window.update if @party_command_window
      @actor_command_window.update if @actor_command_window
      @status_window.update if @status_window
      $game_temp.message_window_showing=oldmws
      @message_window.update if @message_window
      # Update sprite set
      @spriteset.update if @spriteset
    end
  end
end



def pbMapInterpreter
  if $game_map.respond_to?("interpreter")
    return $game_map.interpreter
  elsif $game_system
    return $game_system.map_interpreter
  end
  return nil
end

def pbMapInterpreterRunning?
  interp = pbMapInterpreter
  return interp && interp.running?
end

def pbRefreshSceneMap
  if $scene && $scene.is_a?(Scene_Map)
    if $scene.respond_to?("miniupdate")
      $scene.miniupdate
    else
      $scene.updatemini
    end
  elsif $scene && $scene.is_a?(Scene_Battle)
    $scene.updatemini
  end
end

def pbUpdateSceneMap
  if $scene && $scene.is_a?(Scene_Map) && !pbIsFaded?
    if $scene.respond_to?("miniupdate")
      $scene.miniupdate
    else
      $scene.updatemini
    end
  elsif $scene && $scene.is_a?(Scene_Battle)
    $scene.updatemini
  end
end

#===============================================================================
#
#===============================================================================
def pbEventCommentInput(*args)
  parameters = []
  list = *args[0].list   # Event or event page
  elements = *args[1]    # Number of elements
  trigger = *args[2]     # Trigger
  return nil if list == nil
  return nil unless list.is_a?(Array)
  for item in list
    next unless item.code == 108 || item.code == 408
    if item.parameters[0] == trigger
      start = list.index(item) + 1
      finish = start + elements
      for id in start...finish
        next if !list[id]
        parameters.push(list[id].parameters[0])
      end
      return parameters
    end
  end
  return nil
end

def pbCurrentEventCommentInput(elements,trigger)
  return nil if !pbMapInterpreterRunning?
  event = pbMapInterpreter.get_character(0)
  return nil if !event
  return pbEventCommentInput(event,elements,trigger)
end



#===============================================================================
#
#===============================================================================
class ChooseNumberParams
  def initialize
    @maxDigits=0
    @minNumber=0
    @maxNumber=0
    @skin=nil
    @messageSkin=nil
    @negativesAllowed=false
    @initialNumber=0
    @cancelNumber=nil
  end

  def setMessageSkin(value)
    @messageSkin=value
  end

  def messageSkin   # Set the full path for the message's window skin
    @messageSkin
  end

  def setSkin(value)
    @skin=value
  end

  def skin
    @skin
  end

  def setNegativesAllowed(value)
    @negativeAllowed=value
  end

  def negativesAllowed
    @negativeAllowed ? true : false
  end

  def setRange(minNumber,maxNumber)
    maxNumber=minNumber if minNumber>maxNumber
    @maxDigits=0
    @minNumber=minNumber
    @maxNumber=maxNumber
  end

  def setDefaultValue(number)
    @initialNumber=number
    @cancelNumber=nil
  end

  def setInitialValue(number)
    @initialNumber=number
  end

  def setCancelValue(number)
    @cancelNumber=number
  end

  def initialNumber
    return clamp(@initialNumber,self.minNumber,self.maxNumber)
  end

  def cancelNumber
    return @cancelNumber || self.initialNumber
  end

  def minNumber
    ret=0
    if @maxDigits>0
      ret=-((10**@maxDigits)-1)
    else
      ret=@minNumber
    end
    ret=0 if !@negativeAllowed && ret<0
    return ret
  end

  def maxNumber
    ret=0
    if @maxDigits>0
      ret=((10**@maxDigits)-1)
    else
      ret=@maxNumber
    end
    ret=0 if !@negativeAllowed && ret<0
    return ret
  end

  def setMaxDigits(value)
    @maxDigits=[1,value].max
  end

  def maxDigits
    if @maxDigits>0
      return @maxDigits
    else
      return [numDigits(self.minNumber),numDigits(self.maxNumber)].max
    end
  end

  private

  def clamp(v,mn,mx)
    return v<mn ? mn : (v>mx ? mx : v)
  end

  def numDigits(number)
    ans = 1
    number=number.abs
    while number >= 10
      ans+=1
      number/=10
    end
    return ans
  end
end



def pbChooseNumber(msgwindow,params)
  return 0 if !params
  ret=0
  maximum=params.maxNumber
  minimum=params.minNumber
  defaultNumber=params.initialNumber
  cancelNumber=params.cancelNumber
  cmdwindow=Window_InputNumberPokemon.new(params.maxDigits)
  cmdwindow.z=99999
  cmdwindow.visible=true
  cmdwindow.setSkin(params.skin) if params.skin
  cmdwindow.sign=params.negativesAllowed # must be set before number
  cmdwindow.number=defaultNumber
  pbPositionNearMsgWindow(cmdwindow,msgwindow,:right)
  loop do
    Graphics.update
    Input.update
    pbUpdateSceneMap
    cmdwindow.update
    msgwindow.update if msgwindow
    yield if block_given?
    if Input.trigger?(Input::C)
      ret=cmdwindow.number
      if ret>maximum
        pbPlayBuzzerSE()
      elsif ret<minimum
        pbPlayBuzzerSE()
      else
        pbPlayDecisionSE()
        break
      end
    elsif Input.trigger?(Input::B)
      pbPlayCancelSE()
      ret=cancelNumber
      break
    end
  end
  cmdwindow.dispose
  Input.update
  return ret
end



#===============================================================================
#
#===============================================================================
class FaceWindowVX < SpriteWindow_Base
  def initialize(face)
    super(0,0,128,128)
    faceinfo=face.split(",")
    facefile=pbResolveBitmap("Graphics/Faces/"+faceinfo[0])
    facefile=pbResolveBitmap("Graphics/Pictures/"+faceinfo[0]) if !facefile
    self.contents.dispose if self.contents
    @faceIndex=faceinfo[1].to_i
    @facebitmaptmp=AnimatedBitmap.new(facefile)
    @facebitmap=BitmapWrapper.new(96,96)
    @facebitmap.blt(0,0,@facebitmaptmp.bitmap,Rect.new(
       (@faceIndex % 4) * 96,
       (@faceIndex / 4) * 96, 96, 96
    ))
    self.contents=@facebitmap
  end

  def update
    super
    if @facebitmaptmp.totalFrames>1
      @facebitmaptmp.update
      @facebitmap.blt(0,0,@facebitmaptmp.bitmap,Rect.new(
         (@faceIndex % 4) * 96,
         (@faceIndex / 4) * 96, 96, 96
      ))
    end
  end

  def dispose
    @facebitmaptmp.dispose
    @facebitmap.dispose if @facebitmap
    super
  end
end



#===============================================================================
#
#===============================================================================
def pbGetBasicMapNameFromId(id)
  begin
    map = load_data("Data/MapInfos.rxdata")
    return "" if !map
    return map[id].name
  rescue
    return ""
  end
end

def pbGetMapNameFromId(id)
  map=pbGetBasicMapNameFromId(id)
  map.gsub!(/\\PN/,$Trainer.name) if $Trainer
  return map
end

def pbCsvField!(str)
  ret=""
  str.sub!(/\A\s*/,"")
  if str[0,1]=="\""
    str[0,1]=""
    escaped=false
    fieldbytes=0
    str.scan(/./) do |s|
      fieldbytes+=s.length
      break if s=="\"" && !escaped
      if s=="\\" && !escaped
        escaped=true
      else
        ret+=s
        escaped=false
      end
    end
    str[0,fieldbytes]=""
    if !str[/\A\s*,/] && !str[/\A\s*$/]
      raise _INTL("Invalid quoted field (in: {1})",ret)
    end
    str[0,str.length]=$~.post_match
  else
    if str[/,/]
      str[0,str.length]=$~.post_match
      ret=$~.pre_match
    else
      ret=str.clone
      str[0,str.length]=""
    end
    ret.gsub!(/\s+$/,"")
  end
  return ret
end

def pbCsvPosInt!(str)
  ret=pbCsvField!(str)
  if !ret[/\A\d+$/]
    raise _INTL("Field {1} is not a positive integer",ret)
  end
  return ret.to_i
end



#===============================================================================
# Money and coins windows
#===============================================================================
def pbGetGoldString
  moneyString=""
  begin
    moneyString=_INTL("${1}",$Trainer.money.to_s_formatted)
  rescue
    if $data_system.respond_to?("words")
      moneyString=_INTL("{1} {2}",$game_party.gold,$data_system.words.gold)
    else
      moneyString=_INTL("{1} {2}",$game_party.gold,Vocab.gold)
    end
  end
  return moneyString
end

def pbDisplayGoldWindow(msgwindow)
  moneyString=pbGetGoldString()
  goldwindow=Window_AdvancedTextPokemon.new(_INTL("Money:\n<ar>{1}</ar>",moneyString))
  goldwindow.setSkin("Graphics/Windowskins/goldskin")
  goldwindow.resizeToFit(goldwindow.text,Graphics.width)
  goldwindow.width=160 if goldwindow.width<=160
  if msgwindow.y==0
    goldwindow.y=Graphics.height-goldwindow.height
  else
    goldwindow.y=0
  end
  goldwindow.viewport=msgwindow.viewport
  goldwindow.z=msgwindow.z
  return goldwindow
end

def pbDisplayCoinsWindow(msgwindow,goldwindow)
  coinString=($PokemonGlobal) ? $PokemonGlobal.coins.to_s_formatted : "0"
  coinwindow=Window_AdvancedTextPokemon.new(_INTL("Coins:\n<ar>{1}</ar>",coinString))
  coinwindow.setSkin("Graphics/Windowskins/goldskin")
  coinwindow.resizeToFit(coinwindow.text,Graphics.width)
  coinwindow.width=160 if coinwindow.width<=160
  if msgwindow.y==0
    coinwindow.y=(goldwindow) ? goldwindow.y-coinwindow.height : Graphics.height-coinwindow.height
  else
    coinwindow.y=(goldwindow) ? goldwindow.height : 0
  end
  coinwindow.viewport=msgwindow.viewport
  coinwindow.z=msgwindow.z
  return coinwindow
end



#===============================================================================
#
#===============================================================================
def pbCreateStatusWindow(viewport=nil)
  msgwindow=Window_AdvancedTextPokemon.new("")
  if !viewport
    msgwindow.z=99999
  else
    msgwindow.viewport=viewport
  end
  msgwindow.visible=false
  msgwindow.letterbyletter=false
  pbBottomLeftLines(msgwindow,2)
  skinfile=MessageConfig.pbGetSpeechFrame()
  msgwindow.setSkin(skinfile)
  return msgwindow
end

def pbCreateMessageWindow(viewport=nil,skin=nil)
  msgwindow=Window_AdvancedTextPokemon.new("")
  if !viewport
    msgwindow.z=99999
  else
    msgwindow.viewport=viewport
  end
  msgwindow.visible=true
  msgwindow.letterbyletter=true
  msgwindow.back_opacity=MessageConfig::WindowOpacity
  pbBottomLeftLines(msgwindow,2)
  $game_temp.message_window_showing=true if $game_temp
  skin=MessageConfig.pbGetSpeechFrame() if !skin
  msgwindow.setSkin(skin)
  return msgwindow
end

def pbDisposeMessageWindow(msgwindow)
  $game_temp.message_window_showing=false if $game_temp
  msgwindow.dispose
end



#===============================================================================
# Main message-displaying function
#===============================================================================
def pbMessageDisplay(msgwindow,message,letterbyletter=true,commandProc=nil)
  return if !msgwindow
  oldletterbyletter=msgwindow.letterbyletter
  msgwindow.letterbyletter=(letterbyletter) ? true : false
  ret=nil
  commands=nil
  facewindow=nil
  goldwindow=nil
  coinwindow=nil
  cmdvariable=0
  cmdIfCancel=0
  msgwindow.waitcount=0
  autoresume=false
  text=message.clone
  msgback=nil
  linecount=(Graphics.height>400) ? 3 : 2
  ### Text replacement
  text.gsub!(/\\sign\[([^\]]*)\]/i) {   # \sign[something] gets turned into
    next "\\op\\cl\\ts[]\\w["+$1+"]"    # \op\cl\ts[]\w[something]
  }
  text.gsub!(/\\\\/,"\5")
  text.gsub!(/\\1/,"\1")
  if $game_actors
    text.gsub!(/\\n\[([1-8])\]/i) {
      m = $1.to_i
      next $game_actors[m].name
    }
  end
  text.gsub!(/\\pn/i,$Trainer.name) if $Trainer
  text.gsub!(/\\pm/i,_INTL("${1}",$Trainer.money.to_s_formatted)) if $Trainer
  text.gsub!(/\\n/i,"\n")
  text.gsub!(/\\\[([0-9a-f]{8,8})\]/i) { "<c2="+$1+">" }
  text.gsub!(/\\pg/i,"\\b") if $Trainer && $Trainer.male?
  text.gsub!(/\\pg/i,"\\r") if $Trainer && $Trainer.female?
  text.gsub!(/\\pog/i,"\\r") if $Trainer && $Trainer.male?
  text.gsub!(/\\pog/i,"\\b") if $Trainer && $Trainer.female?
  text.gsub!(/\\pg/i,"")
  text.gsub!(/\\pog/i,"")
  text.gsub!(/\\b/i,"<c3=3050C8,D0D0C8>")
  text.gsub!(/\\r/i,"<c3=E00808,D0D0C8>")
  text.gsub!(/\\[Ww]\[([^\]]*)\]/) {
    w = $1.to_s
    if w==""
      msgwindow.windowskin = nil
    else
      msgwindow.setSkin("Graphics/Windowskins/#{w}",false)
    end
    next ""
  }
  isDarkSkin = isDarkWindowskin(msgwindow.windowskin)
  text.gsub!(/\\[Cc]\[([0-9]+)\]/) {
    m = $1.to_i
    next getSkinColor(msgwindow.windowskin,m,isDarkSkin)
  }
  loop do
    last_text = text.clone
    text.gsub!(/\\v\[([0-9]+)\]/i) { $game_variables[$1.to_i] }
    break if text == last_text
  end
  loop do
    last_text = text.clone
    text.gsub!(/\\l\[([0-9]+)\]/i) {
      linecount = [1,$1.to_i].max
      next ""
    }
    break if text == last_text
  end
  colortag = ""
  if $game_system && $game_system.respond_to?("message_frame") &&
     $game_system.message_frame != 0
    colortag = getSkinColor(msgwindow.windowskin,0,true)
  else
    colortag = getSkinColor(msgwindow.windowskin,0,isDarkSkin)
  end
  text = colortag+text
  ### Controls
  textchunks=[]
  controls=[]
  while text[/(?:\\(f|ff|ts|cl|me|se|wt|wtnp|ch)\[([^\]]*)\]|\\(g|cn|wd|wm|op|cl|wu|\.|\||\!|\^))/i]
    textchunks.push($~.pre_match)
    if $~[1]
      controls.push([$~[1].downcase,$~[2],-1])
    else
      controls.push([$~[3].downcase,"",-1])
    end
    text=$~.post_match
  end
  textchunks.push(text)
  for chunk in textchunks
    chunk.gsub!(/\005/,"\\")
  end
  textlen = 0
  for i in 0...controls.length
    control = controls[i][0]
    case control
    when "wt", "wtnp", ".", "|"
      textchunks[i] += "\2"
    when "!"
      textchunks[i] += "\1"
    end
    textlen += toUnformattedText(textchunks[i]).scan(/./m).length
    controls[i][2] = textlen
  end
  text = textchunks.join("")
  unformattedText = toUnformattedText(text)
  signWaitCount = 0
  signWaitTime = Graphics.frame_rate/2
  haveSpecialClose = false
  specialCloseSE = ""
  for i in 0...controls.length
    control = controls[i][0]
    param = controls[i][1]
    case control
    when "op"
      signWaitCount = signWaitTime+1
    when "cl"
      text = text.sub(/\001\z/,"")   # fix: '$' can match end of line as well
      haveSpecialClose = true
      specialCloseSE = param
    when "f"
      facewindow.dispose if facewindow
      facewindow = PictureWindow.new("Graphics/Pictures/#{param}")
    when "ff"
      facewindow.dispose if facewindow
      facewindow = FaceWindowVX.new(param)
    when "ch"
      cmds = param.clone
      cmdvariable = pbCsvPosInt!(cmds)
      cmdIfCancel = pbCsvField!(cmds).to_i
      commands = []
      while cmds.length>0
        commands.push(pbCsvField!(cmds))
      end
    when "wtnp", "^"
      text = text.sub(/\001\z/,"")   # fix: '$' can match end of line as well
    when "se"
      if controls[i][2]==0
        startSE = param
        controls[i] = nil
      end
    end
  end
  if startSE!=nil
    pbSEPlay(pbStringToAudioFile(startSE))
  elsif signWaitCount==0 && letterbyletter
    pbPlayDecisionSE()
  end
  ########## Position message window  ##############
  pbRepositionMessageWindow(msgwindow,linecount)
  if facewindow
    pbPositionNearMsgWindow(facewindow,msgwindow,:left)
    facewindow.viewport = msgwindow.viewport
    facewindow.z        = msgwindow.z
  end
  atTop = (msgwindow.y==0)
  ########## Show text #############################
  msgwindow.text = text
  Graphics.frame_reset if Graphics.frame_rate>40
  loop do
    if signWaitCount>0
      signWaitCount -= 1
      if atTop
        msgwindow.y = -msgwindow.height*signWaitCount/signWaitTime
      else
        msgwindow.y = Graphics.height-msgwindow.height*(signWaitTime-signWaitCount)/signWaitTime
      end
    end
    for i in 0...controls.length
      next if !controls[i]
      next if controls[i][2]>msgwindow.position || msgwindow.waitcount!=0
      control = controls[i][0]
      param = controls[i][1]
      case control
      when "f"
        facewindow.dispose if facewindow
        facewindow = PictureWindow.new("Graphics/Pictures/#{param}")
        pbPositionNearMsgWindow(facewindow,msgwindow,:left)
        facewindow.viewport = msgwindow.viewport
        facewindow.z        = msgwindow.z
      when "ff"
        facewindow.dispose if facewindow
        facewindow = FaceWindowVX.new(param)
        pbPositionNearMsgWindow(facewindow,msgwindow,:left)
        facewindow.viewport = msgwindow.viewport
        facewindow.z        = msgwindow.z
      when "g"      # Display gold window
        goldwindow.dispose if goldwindow
        goldwindow = pbDisplayGoldWindow(msgwindow)
      when "cn"     # Display coins window
        coinwindow.dispose if coinwindow
        coinwindow = pbDisplayCoinsWindow(msgwindow,goldwindow)
      when "wu"
        msgwindow.y = 0
        atTop = true
        msgback.y = msgwindow.y if msgback
        pbPositionNearMsgWindow(facewindow,msgwindow,:left)
        msgwindow.y = -msgwindow.height*signWaitCount/signWaitTime
      when "wm"
        atTop = false
        msgwindow.y = (Graphics.height-msgwindow.height)/2
        msgback.y = msgwindow.y if msgback
        pbPositionNearMsgWindow(facewindow,msgwindow,:left)
      when "wd"
        atTop = false
        msgwindow.y = Graphics.height-msgwindow.height
        msgback.y = msgwindow.y if msgback
        pbPositionNearMsgWindow(facewindow,msgwindow,:left)
        msgwindow.y = Graphics.height-msgwindow.height*(signWaitTime-signWaitCount)/signWaitTime
      when "ts"     # Change text speed
        msgwindow.textspeed = (param=="") ? -999 : param.to_i
      when "."      # Wait 0.25 seconds
        msgwindow.waitcount += Graphics.frame_rate/4
      when "|"      # Wait 1 second
        msgwindow.waitcount += Graphics.frame_rate
      when "wt"     # Wait X/20 seconds
        param = param.sub(/\A\s+/,"").sub(/\s+\z/,"")
        msgwindow.waitcount += param.to_i*Graphics.frame_rate/20
      when "wtnp"   # Wait X/20 seconds, no pause
        param = param.sub(/\A\s+/,"").sub(/\s+\z/,"")
        msgwindow.waitcount = param.to_i*Graphics.frame_rate/20
        autoresume = true
      when "^"      # Wait, no pause
        autoresume = true
      when "se"     # Play SE
        pbSEPlay(pbStringToAudioFile(param))
      when "me"     # Play ME
        pbMEPlay(pbStringToAudioFile(param))
      end
      controls[i] = nil
    end
    break if !letterbyletter
    Graphics.update
    Input.update
    facewindow.update if facewindow
    if autoresume && msgwindow.waitcount==0
      msgwindow.resume if msgwindow.busy?
      break if !msgwindow.busy?
    end
    if Input.trigger?(Input::C) || Input.trigger?(Input::B)
      if msgwindow.busy?
        pbPlayDecisionSE if msgwindow.pausing?
        msgwindow.resume
      else
        break if signWaitCount==0
      end
    end
    pbUpdateSceneMap
    msgwindow.update
    yield if block_given?
    break if (!letterbyletter || commandProc || commands) && !msgwindow.busy?
  end
  Input.update   # Must call Input.update again to avoid extra triggers
  msgwindow.letterbyletter=oldletterbyletter
  if commands
    $game_variables[cmdvariable]=pbShowCommands(msgwindow,commands,cmdIfCancel)
    $game_map.need_refresh = true if $game_map
  end
  if commandProc
    ret=commandProc.call(msgwindow)
  end
  msgback.dispose if msgback
  goldwindow.dispose if goldwindow
  coinwindow.dispose if coinwindow
  facewindow.dispose if facewindow
  if haveSpecialClose
    pbSEPlay(pbStringToAudioFile(specialCloseSE))
    atTop = (msgwindow.y==0)
    for i in 0..signWaitTime
      if atTop
        msgwindow.y = -msgwindow.height*i/signWaitTime
      else
        msgwindow.y = Graphics.height-msgwindow.height*(signWaitTime-i)/signWaitTime
      end
      Graphics.update
      Input.update
      pbUpdateSceneMap
      msgwindow.update
    end
  end
  return ret
end



#===============================================================================
# Message-displaying functions
#===============================================================================
def pbMessage(message,commands=nil,cmdIfCancel=0,skin=nil,defaultCmd=0,&block)
  ret = 0
  msgwindow = pbCreateMessageWindow(nil,skin)
  if commands
    ret = pbMessageDisplay(msgwindow,message,true,
       proc { |msgwindow|
         next Kernel.pbShowCommands(msgwindow,commands,cmdIfCancel,defaultCmd,&block)
       },&block)
  else
    pbMessageDisplay(msgwindow,message,&block)
  end
  pbDisposeMessageWindow(msgwindow)
  Input.update
  return ret
end

def pbConfirmMessage(message,&block)
  return (pbMessage(message,[_INTL("Yes"),_INTL("No")],2,&block)==0)
end

def pbConfirmMessageSerious(message,&block)
  return (pbMessage(message,[_INTL("No"),_INTL("Yes")],1,&block)==1)
end

def pbMessageChooseNumber(message,params,&block)
  msgwindow = pbCreateMessageWindow(nil,params.messageSkin)
  ret = pbMessageDisplay(msgwindow,message,true,
     proc { |msgwindow|
       next pbChooseNumber(msgwindow,params,&block)
     },&block)
  pbDisposeMessageWindow(msgwindow)
  return ret
end

def pbShowCommands(msgwindow,commands=nil,cmdIfCancel=0,defaultCmd=0)
  return 0 if !commands
  cmdwindow=Window_CommandPokemonEx.new(commands)
  cmdwindow.z=99999
  cmdwindow.visible=true
  cmdwindow.resizeToFit(cmdwindow.commands)
  pbPositionNearMsgWindow(cmdwindow,msgwindow,:right)
  cmdwindow.index=defaultCmd
  command=0
  loop do
    Graphics.update
    Input.update
    cmdwindow.update
    msgwindow.update if msgwindow
    yield if block_given?
    if Input.trigger?(Input::B)
      if cmdIfCancel>0
        command=cmdIfCancel-1
        break
      elsif cmdIfCancel<0
        command=cmdIfCancel
        break
      end
    end
    if Input.trigger?(Input::C)
      command=cmdwindow.index
      break
    end
    pbUpdateSceneMap
  end
  ret=command
  cmdwindow.dispose
  Input.update
  return ret
end

def pbShowCommandsWithHelp(msgwindow,commands,help,cmdIfCancel=0,defaultCmd=0)
  msgwin=msgwindow
  msgwin=pbCreateMessageWindow(nil) if !msgwindow
  oldlbl=msgwin.letterbyletter
  msgwin.letterbyletter=false
  if commands
    cmdwindow=Window_CommandPokemonEx.new(commands)
    cmdwindow.z=99999
    cmdwindow.visible=true
    cmdwindow.resizeToFit(cmdwindow.commands)
    cmdwindow.height=msgwin.y if cmdwindow.height>msgwin.y
    cmdwindow.index=defaultCmd
    command=0
    msgwin.text=help[cmdwindow.index]
    msgwin.width=msgwin.width   # Necessary evil to make it use the proper margins
    loop do
      Graphics.update
      Input.update
      oldindex=cmdwindow.index
      cmdwindow.update
      if oldindex!=cmdwindow.index
        msgwin.text=help[cmdwindow.index]
      end
      msgwin.update
      yield if block_given?
      if Input.trigger?(Input::B)
        if cmdIfCancel>0
          command=cmdIfCancel-1
          break
        elsif cmdIfCancel<0
          command=cmdIfCancel
          break
        end
      end
      if Input.trigger?(Input::C)
        command=cmdwindow.index
        break
      end
      pbUpdateSceneMap
    end
    ret=command
    cmdwindow.dispose
    Input.update
  end
  msgwin.letterbyletter=oldlbl
  msgwin.dispose if !msgwindow
  return ret
end

# frames is the number of 1/20 seconds to wait for
def pbMessageWaitForInput(msgwindow,frames,showPause=false)
  return if !frames || frames<=0
  msgwindow.startPause if msgwindow && showPause
  frames = frames*Graphics.frame_rate/20
  frames.times do
    Graphics.update
    Input.update
    msgwindow.update if msgwindow
    pbUpdateSceneMap
    if Input.trigger?(Input::C) || Input.trigger?(Input::B)
      break
    end
    yield if block_given?
  end
  msgwindow.stopPause if msgwindow && showPause
end