Class: Woyo::Way

Inherits:
WorldObject show all
Defined in:
lib/woyo/world/way.rb

Instance Attribute Summary

Attributes inherited from WorldObject

#_test, #context, #id

Instance Method Summary collapse

Methods inherited from WorldObject

#attribute_changes, #attribute_clear_changes, #changes, #clear_changes, #initialize, #uid

Methods included from Evaluate

#children, #evaluate, included

Methods included from Attributes

#attribute, #attributes, #changes, #clear_changes, #define_attr, #define_attr!, #define_attr?, #define_attr_default, #define_attr_equals, #define_attr_methods, #dependent_changes, #exclusion, #exclusions, #group, #groups, #is, #is?, #track_changes

Constructor Details

This class inherits a constructor from Woyo::WorldObject

Instance Method Details

#close! ⇒ Object 



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# File 'lib/woyo/world/way.rb', line 31

def close!
  closed!
end

#from ⇒ Object 



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# File 'lib/woyo/world/way.rb', line 35

def from
  @from ||= context
end

#initialize_object ⇒ Object 



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# File 'lib/woyo/world/way.rb', line 7

def initialize_object
  super
  attribute :going 
  exclusion :passable, :closed, :open  # defaults to closed: true 
  action :go do
    describe proc { self.context.going }
    #result   proc { self.context.passable } 
    execution do
      {
        go:       open?,
        location: open? ? self.to.id : nil
      }
    end
  end
end

#to(arg = nil) ⇒ Object 



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# File 'lib/woyo/world/way.rb', line 39

def to arg=nil
  if arg.nil?
    @to
  else
    self.to = arg
  end
end

#to=(arg) ⇒ Object 



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# File 'lib/woyo/world/way.rb', line 47

def to= arg
  if arg.instance_of? Symbol
    case
    when from && arg == from.id
      @to = from                        # way loops back to the same location
    when world && world.locations[arg]
      @to = world.locations[arg]        # destination location already exists in world
    when world
      @to = world.location arg          # create destination location in world 
    else
      @to = Location.new arg            # create free-standing destination location
    end
    self.open!
  else
    raise "Symbol required, but #{arg.class} : '#{arg}' given."
  end
end

#world ⇒ Object

def go

{ go: open?, going: self.going }

end



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# File 'lib/woyo/world/way.rb', line 27

def world
  from ? from.world : nil
end