Class: Blender3d::ObjectReader

Inherits:
Object
  • Object
show all
Defined in:
lib/blender-3d/object_reader.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file, model = nil) ⇒ ObjectReader

Returns a new instance of ObjectReader.



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# File 'lib/blender-3d/object_reader.rb', line 6

def initialize(file, model = nil)
  @file, @model = file, model
  endian = @model.header.endian_code

  %w'c s l q'.each.with_index do |code, i|
    bytes = 1 << i
    bits = 8 * bytes
    name = 'int' + bits.to_s
    define_reader name, bytes, code + endian
    define_reader 'u' + name, bytes, code.upcase + endian
  end

  code = @model.header.little_endian? ? 'e' : 'g'
  define_reader 'float', 4, code
  define_reader 'double', 8, code.upcase

  define_reader 'pointer', @model.header.pointer_size, @model.header.size_code + endian
end

Instance Attribute Details

#file ⇒ Object (readonly)

Returns the value of attribute file.



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# File 'lib/blender-3d/object_reader.rb', line 3

def file
  @file
end

#model ⇒ Object

Returns the value of attribute model.



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# File 'lib/blender-3d/object_reader.rb', line 4

def model
  @model
end

Instance Method Details

#read(length) ⇒ Object 



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# File 'lib/blender-3d/object_reader.rb', line 29

def read(length)
  @file.read(length)
end

#read_string ⇒ Object 



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# File 'lib/blender-3d/object_reader.rb', line 33

def read_string
  @file.gets("\0")
end

#seek(position) ⇒ Object 



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# File 'lib/blender-3d/object_reader.rb', line 37

def seek(position)
  @file.seek(position)
end

#tell ⇒ Object 



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# File 'lib/blender-3d/object_reader.rb', line 41

def tell
  @file.tell
end