# File lib/core/world.rb, line 41
  def initialize
    self.timer_list = []
    self.all_characters = []
    self.all_accounts = []
    self.admins = []
    self.builders = []
    self.msgs = {}
    @connected_characters = []
  end

# File lib/core/world.rb, line 122
  def add_admin oid
    self.admins << oid if Character && !admin?(oid)
  end

# File lib/core/world.rb, line 136
  def add_builder oid
    self.builders << oid if Character && !builder?(oid)
  end

# File lib/core/world.rb, line 115
  def is_admin? oid
    admins.include? oid
  end

# File lib/core/world.rb, line 108
  def is_builder? oid
    builders.include? oid
  end

# File lib/core/world.rb, line 151
  def is_owner?(pid, oid)
    oid.owner == get_object(pid).owner
  end

# File lib/core/world.rb, line 157
  def memstats
    # initialize all counters
    rooms = objs = chars = accounts = scripts = strcount = strsize = ocount = 0

    # scan the ObjectSpace counting things
    ObjectSpace.each_object do |x|
      case x
      when String
        strcount += 1
        strsize += x.size
      when Character
        chars += 1
      when Account
        accounts += 1
      when Room
        rooms += 1
      when GameObject
        objs += 1
      when Script
        scripts += 1
      else
        ocount += 1
      end
    end

    # our report  :
    # :NOTE: sprintf would be better
    memstats="[COLOR Cyan]\n----* Memory Statistics *----\n  Rooms      - \#{rooms}\n  Objects    - \#{objs}\n  Scripts    - \#{scripts}\n  Accounts   - \#{accounts}\n  Characters - \#{chars}\n-----------------------------\n  Strings - \#{strcount}\n     size - \#{strsize} bytes\n  Other   - \#{ocount}\n-----------------------------\n  Total Objects - \#{rooms+objs+chars+accounts+scripts+strcount+ocount}\n----*                   *----\n[/COLOR]\n"
  end

# File lib/core/world.rb, line 129
  def rem_admin oid
    self.admins.delete oid
  end

# File lib/core/world.rb, line 143
  def rem_builder oid
    self.builders.delete oid
  end

# File lib/core/world.rb, line 86
  def set_timer(id, name, time)
    @timer_list_mutex.synchronize do
      timer_list << Timer.new(id, name, time)
    end
  end

# File lib/core/world.rb, line 77
  def shutdown
    connected_characters.each{|pid| get_object(pid).account.disconnect("Shutdown.")}
    Thread.kill(@timer)
  end

# File lib/core/world.rb, line 51
  def startup
    @connected_characters = []
    @cmds, @ocmds = Command.load
    log.info "Starting Timer..."
    @timer_list_mutex = Mutex.new
    @timer = Thread.new do
      begin
        while true
          sleep 1.0
          @timer_list_mutex.synchronize do
            timer_list.each do |ti|
              if ti.fire?
                add_event(0, ti.id, :timer, ti.name)
                ti.reset
              end
            end
          end
        end
      rescue Exception
        log.fatal "Timer thread blew up"
        log.fatal $!
      end
    end
    log.info "World initialized."
  end

# File lib/core/world.rb, line 95
  def unset_timer(id, name=nil)
    @timer_list_mutex.synchronize do
      if name.nil?
        timer_list.delete_if {|ti| ti.id == id }
      else
        timer_list.delete_if {|ti| ti.id == id && ti.name == name }
      end
    end
  end