Class: Shattered::Input::Controls

Inherits:
Object
  • Object
show all
Defined in:
lib/shattered_model/controls.rb

Overview

Handles parsing and mapping of controls

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file) ⇒ Controls

Constructor



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# File 'lib/shattered_model/controls.rb', line 11

def initialize(file)
  @file = file
end

Instance Attribute Details

#actions ⇒ Object

Returns the value of attribute actions.



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# File 'lib/shattered_model/controls.rb', line 8

def actions
  @actions
end

#file ⇒ Object

Returns the value of attribute file.



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# File 'lib/shattered_model/controls.rb', line 8

def file
  @file
end

Instance Method Details

#active? ⇒ Boolean

returns true if the controls are on, false otherwise

Returns:

  • (Boolean) 


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# File 'lib/shattered_model/controls.rb', line 50

def active?
  @active ||= false
end

#off ⇒ Object

turns the controls off



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# File 'lib/shattered_model/controls.rb', line 61

def off
  @active = false
end

#on ⇒ Object

turns the controls on



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# File 'lib/shattered_model/controls.rb', line 55

def on
  parse if @actions.nil?
  @active = true
end

#parse ⇒ Object

parses the file and sets the action map



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# File 'lib/shattered_model/controls.rb', line 26

def parse
  fullpath = File.join(path, @file)
  fullpath+= ".controls" unless (File.exists? fullpath) || file.ends_with(".controls")        
  file = File.open(fullpath, "r")
  
  @actions = {}
  file.readlines.each_with_index do |line, line_number|
    line = (line.split("#"))[0] #comments
    next if line.strip.length == 0 #blank lines
    
    action_details = line.split("=>").collect {|x| x.strip}
    if(action_details.length == 2)
      action, condition = action_details
    elsif(action_details.length > 2)
      raise ControlsParseError.new("Error loading '#{line}' in #{fullpath}:#{line_number+1}.  Too many =>'s.")
    elsif(action_details.length < 2)
      raise ControlsParseError.new("Problem parsing '#{line}' in #{fullpath}:#{line_number+1}.  Badly formed keymap.") 
    end
    @actions[condition] = action
  end
  file.close
end

#path ⇒ Object

getter for path, which is static



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# File 'lib/shattered_model/controls.rb', line 21

def path
  @@path ||= File.join(SHATTERED_ROOT,"config")
end

#path=(newpath) ⇒ Object

setter for path, which is static



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# File 'lib/shattered_model/controls.rb', line 16

def path=(newpath)
  @@path = newpath
end