Class: TPPlus::Nodes::PositionDataNode

Inherits:
Object
  • Object
show all
Defined in:
lib/tp_plus/nodes/position_data_node.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(hash) ⇒ PositionDataNode

Returns a new instance of PositionDataNode.



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# File 'lib/tp_plus/nodes/position_data_node.rb', line 5

def initialize(hash)
  @hash = hash
  @ids  = []
end

Instance Attribute Details

#hash ⇒ Object (readonly)

Returns the value of attribute hash.



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# File 'lib/tp_plus/nodes/position_data_node.rb', line 4

def hash
  @hash
end

Instance Method Details

#boolean?(thing) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tp_plus/nodes/position_data_node.rb', line 55

def boolean?(thing)
  thing.is_a?(TrueClass) || thing.is_a?(FalseClass)
end

#eval(context, options = {}) ⇒ Object 



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# File 'lib/tp_plus/nodes/position_data_node.rb', line 59

def eval(context, options={})
  raise "Invalid position data" unless valid?
  context.position_data = @hash
  nil
end

#mask_valid?(position_hash) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tp_plus/nodes/position_data_node.rb', line 28

def mask_valid?(position_hash)
  return false unless position_hash[:group].is_a?(Fixnum)
  return false unless position_hash[:uframe].is_a?(Fixnum)
  return false unless position_hash[:utool].is_a?(Fixnum)

  if position_hash[:config].is_a?(Hash)
    return false unless boolean?(position_hash[:config][:flip])
    return false unless boolean?(position_hash[:config][:up])
    return false unless boolean?(position_hash[:config][:top])
    return false unless position_hash[:config][:turn_counts].is_a?(Array)
    return false unless position_hash[:config][:turn_counts].length == 3
    return false if position_hash[:config][:turn_counts].map {|tc| tc.is_a?(Fixnum) == false }.any?
    return false unless position_hash[:components].is_a?(Hash)
    [:x,:y,:z,:w,:p,:r].each do |component|
      return false unless position_hash[:components][component].is_a?(Float)
    end
  else
    # must be joint representation
    return false unless position_hash[:components].is_a?(Hash)
    position_hash[:components].each do |component|
      return false unless component[1].is_a?(Float)
    end
  end

  true
end

#position_valid?(position_hash) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tp_plus/nodes/position_data_node.rb', line 17

def position_valid?(position_hash)
  return false if @ids.include?(position_hash[:id])
  @ids.push(position_hash[:id])

  return false unless position_hash[:mask].is_a? Array

  position_hash[:mask].select {|q|
    !mask_valid?(q)
  }.empty?
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tp_plus/nodes/position_data_node.rb', line 10

def valid?
  return false unless @hash[:positions].is_a?(Array)
  return false if @hash[:positions].map {|p| position_valid?(p) == false }.any?

  true
end