Class: Blender3d::Model

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file = nil) ⇒ Model 



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# File 'lib/blender-3d/model.rb', line 9

def initialize(file = nil)
  @blocks = []
  deserialize(file) if file
end

Instance Attribute Details

#blocks ⇒ Object (readonly)

Returns the value of attribute blocks.



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

def blocks
  @blocks
end

#header ⇒ Object (readonly)

Returns the value of attribute header.



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

def header
  @header
end

#pointers ⇒ Object (readonly)

Returns the value of attribute pointers.



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

def pointers
  @pointers
end

Class Method Details

.from_file(path) ⇒ Object 



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# File 'lib/blender-3d/model.rb', line 5

def self.from_file(path)
  File.open(path, 'rb') { |file| new(file) }
end

Instance Method Details

#create_reader(file) ⇒ Object 



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# File 'lib/blender-3d/model.rb', line 52

def create_reader(file)
  ObjectReader.new(file, self)
end

#deserialize(file) ⇒ Object 



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# File 'lib/blender-3d/model.rb', line 14

def deserialize(file)
  @header = FileHeader.new(file)
  reader = create_reader(file)
  @blocks.clear

  loop do
    @blocks << FileBlock.new(reader)
    break if reader.tell == reader.file.size
  end

  dna_block = self.dna_block
  return self unless dna_block

  @blocks.select { |block| block.type_index != 0 }.each do |block|
    block.type = dna_block.data.structures[block.type_index]
    block.parse_data(self)
  end

  @pointers = {}
  @blocks.each do |block|
    if block.data.is_a?(Array)
      pointer = block.pointer.location
      block.data.each do |data|
        @pointers[Pointer.new(pointer)] = data
        pointer += data.class.definition.size
      end
    else
      @pointers[block.pointer] = block.data
    end
  end

  self
end

#dna_block ⇒ Object 



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# File 'lib/blender-3d/model.rb', line 48

def dna_block
  @blocks.find { |block| block.code == 'DNA1' }
end