Contents

require "gamefic/node"
require "gamefic/describable"
require 'gamefic/messaging'

module Gamefic

  class Entity
    include Node
    include Describable
    include Messaging
    include Grammar::WordAdapter

    attr_reader :session

    def initialize(args = {})
      pre_initialize
      args.each { |key, value|
        send "#{key}=", value
      }
      @session = Hash.new
      yield self if block_given?
      post_initialize
    end

    def uid
      if @uid == nil
        @uid = self.object_id.to_s
      end
      @uid
    end

    def pre_initialize
      # raise NotImplementedError, "#{self.class} must implement post_initialize"    
    end

    def post_initialize
      # raise NotImplementedError, "#{self.class} must implement post_initialize"
    end

    # Execute the entity's on_update blocks.
    # This method is typically called by the Engine that manages game execution.
    # The base method does nothing. Subclasses can override it.
    #
    def update
    end
    
    # Set the Entity's parent.
    #
    # @param node [Entity] The new parent.
    def parent=(node)
      if node != nil and node.kind_of?(Entity) == false
        raise "Entity's parent must be an Entity"
      end
      super
    end
    
    # Get an extended property.
    #
    # @param key [Symbol] The property's name.
    def [](key)
      session[key]
    end
    
    # Set an extended property.
    #
    # @param key [Symbol] The property's name.
    # @param value The value to set.
    def []=(key, value)
      session[key] = value
    end
    
  end

end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
gamefic-1.6.0	lib/gamefic/entity.rb