Class: SRSGame::Location

Inherits:

Object

• Object
• SRSGame::Location

show all

Defined in:

lib/srs_game.rb,
lib/srs_game.rb

Overview

Instance Attribute Summary (collapse)

• - (Object) block

  def self.directions.

• - (Object) description

  def self.directions.

• - (Object) items

  def self.directions.

• - (Object) name

  def self.directions.

Class Method Summary (collapse)

• + (Object) direction_relationships
• + (Object) directions

  All directions available.

• + (Object) mirrored_directions

  def self.direction_relationships.

Instance Method Summary (collapse)

• - (Object) enter

  Call @on_enter.

• - (Object) exits

  Available directions (where __send__(dir) is truthy).

• - (Object) info

  Information displayed when a room is entered.

• - (Location) initialize(params = {}, &block) constructor

  params:

  • :name

    Title of the room (default: "a room")

  • :description

    Displayed when the name is regarded.

• - (Object) leave

  Call @on_leave.

• - (Object) on_enter(&b)

  Set @on_enter to &b.

• - (Object) on_leave(&b)

  Set @on_leave to &b.

• - (Object) to_s

  def info.

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# File 'lib/srs_game.rb', line 205

def initialize(params = {}, &block)
  @name = params[:name] || "a room"
  @description = params[:description].to_s
  @items = params[:items].to_a or []
  @block = block # @block is called on initialization
  @on_enter, @on_leave = nil

  @block.call(self) if block
end

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# File 'lib/srs_game.rb', line 195

def block
  @block
end

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# File 'lib/srs_game.rb', line 195

def description
  @description
end

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# File 'lib/srs_game.rb', line 195

def items
  @items
end

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# File 'lib/srs_game.rb', line 195

def name
  @name
end

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# File 'lib/srs_game.rb', line 182

def self.direction_relationships
  [["north", "south"], ["east", "west"], ["up", "down"], ["in", "out"]]
end

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# File 'lib/srs_game.rb', line 191

def self.directions
  direction_relationships.flatten
end

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# File 'lib/srs_game.rb', line 186

def self.mirrored_directions
  direction_relationships + direction_relationships.map { |a| a.reverse }
end

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# File 'lib/srs_game.rb', line 243

def enter
  puts info
  @on_enter.call(self) if @on_enter
end

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# File 'lib/srs_game.rb', line 228

def exits
  L.directions.select { |dir| __send__(dir) }
end

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# File 'lib/srs_game.rb', line 254

def info
  o = "You find yourself #{@name}. "
  o << "#{@description}. " if @description.unblank?
  o << "\nItems here are #{@items.map(&:to_s).to_sentence(:bold => true)}." if @items.unblank?
  o << "\nExits are #{exits.to_sentence(:bold => true)}." if exits.unblank?
  o
end

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# File 'lib/srs_game.rb', line 249

def leave
  @on_leave.call(self) if @on_leave
end

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# File 'lib/srs_game.rb', line 233

def on_enter(&b)
  @on_enter = b
end

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# File 'lib/srs_game.rb', line 238

def on_leave(&b)
  @on_leave = b
end

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# File 'lib/srs_game.rb', line 262

def to_s
  "#<SRSGame::Location #{@name.inspect} @items=#{@items.inspect} exits=#{exits.inspect}>"
end