Class: DXRuby::Tiled::Layer

Inherits:
Object
  • Object
show all
Defined in:
lib/dxruby_tiled/layer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data, map) ⇒ Layer

Returns a new instance of Layer.



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# File 'lib/dxruby_tiled/layer.rb', line 7

def initialize(data, map)
  @map = map
  
  @name       = data[:name]
  @width      = data[:width ]     || map.width
  @height     = data[:height]     || map.height
  @opacity    = data[:opacity]    || 1.0
  @visible    = data[:visible] != false
  @offset_x   = data[:offsetx]    || 0
  @offset_y   = data[:offsety]    || 0
  @properties = data[:properties] || {}
  
  case data[:encoding]
  when "base64"
    tmp = Base64.decode64(data[:data])
    case data[:compression]
    when "gzip" # unsupported
    when "zlib"
      tmp = Zlib::Inflate.inflate(tmp).unpack("l*")
    else
      tmp = tmp.unpack("l*")
    end
  else
    tmp = data[:data]
  end
  @data = tmp.each_slice(@width).to_a
end

Instance Attribute Details

#data ⇒ Object (readonly)

Returns the value of attribute data.



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# File 'lib/dxruby_tiled/layer.rb', line 4

def data
  @data
end

#height ⇒ Object (readonly)

Returns the value of attribute height.



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# File 'lib/dxruby_tiled/layer.rb', line 4

def height
  @height
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/dxruby_tiled/layer.rb', line 4

def name
  @name
end

#offset_x ⇒ Object

Returns the value of attribute offset_x.



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# File 'lib/dxruby_tiled/layer.rb', line 5

def offset_x
  @offset_x
end

#offset_y ⇒ Object

Returns the value of attribute offset_y.



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# File 'lib/dxruby_tiled/layer.rb', line 5

def offset_y
  @offset_y
end

#opacity ⇒ Object

Returns the value of attribute opacity.



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# File 'lib/dxruby_tiled/layer.rb', line 5

def opacity
  @opacity
end

#properties ⇒ Object (readonly)

Returns the value of attribute properties.



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# File 'lib/dxruby_tiled/layer.rb', line 4

def properties
  @properties
end

#visible ⇒ Object

Returns the value of attribute visible.



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# File 'lib/dxruby_tiled/layer.rb', line 5

def visible
  @visible
end

#width ⇒ Object (readonly)

Returns the value of attribute width.



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# File 'lib/dxruby_tiled/layer.rb', line 4

def width
  @width
end

Instance Method Details

#[](x, y) ⇒ Object 



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# File 'lib/dxruby_tiled/layer.rb', line 35

def [](x, y)
  x = @map.x_loop ? x % @width  : x < 0 ? @width  : x
  y = @map.y_loop ? y % @height : y < 0 ? @height : y
  return @data.fetch(y, []).fetch(x, 0)
end

#[]=(x, y, value) ⇒ Object 



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# File 'lib/dxruby_tiled/layer.rb', line 41

def []=(x, y, value)
  x = @map.x_loop ? x % @width  : x < 0 ? @width  : x
  y = @map.y_loop ? y % @height : y < 0 ? @height : y
  @data[y][x] = value
end

#include?(x, y) ⇒ Boolean Also known as: member?

Returns:

  • (Boolean) 


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# File 'lib/dxruby_tiled/layer.rb', line 47

def include?(x, y)
  return (@map.x_loop || (0...@width).include?(x)) &&
          (@map.y_loop || (0...@height).include?(y))
end