Class: GBTiles::GBR::Import::GBRFile

Inherits:
Object
  • Object
show all
Defined in:
lib/gbtiles/gbr/import/gbr_file.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ GBRFile

Returns a new instance of GBRFile.



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# File 'lib/gbtiles/gbr/import/gbr_file.rb', line 26

def initialize
  @tile_set = GBTiles::GBR::TileSet::TileSet.new
end

Instance Attribute Details

#tile_set ⇒ Object

Returns the value of attribute tile_set.



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# File 'lib/gbtiles/gbr/import/gbr_file.rb', line 24

def tile_set
  @tile_set
end

#version ⇒ Object

Returns the value of attribute version.



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# File 'lib/gbtiles/gbr/import/gbr_file.rb', line 23

def version
  @version
end

Class Method Details

.open(file) ⇒ Object 



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# File 'lib/gbtiles/gbr/import/gbr_file.rb', line 30

def self.open file
  import = GBTiles::GBR::Import::GBRFile.new

  # Check to see if this is a valid file type
  if (file.read(3) != "GBO") then
    raise IOError, "Not a valid file (expected: GBO)"
  end

  # Version number
  import.version = file.read(1)

  # For each object
  while !file.eof?
    object_type = GBTiles::DataType.word(file.read(2))
    object_id   = GBTiles::DataType.word(file.read(2))
    object_len  = GBTiles::DataType.long(file.read(4))
    object_data = file.read(object_len)

    case GBTiles::GBR::TileSet::OBJECT_TYPE.key(object_type)
    when :producer
      object = GBTiles::GBR::TileSet::Objects::Producer.initFromBitString(object_data)

    when :tile_data
      object = GBTiles::GBR::TileSet::Objects::TileData.initFromBitString(object_data)

    when :tile_settings
      object = GBTiles::GBR::TileSet::Objects::TileSettings.initFromBitString(object_data)

    when :tile_export
      object = GBTiles::GBR::TileSet::Objects::TileExport.initFromBitString(object_data)

    when :tile_import
      object = GBTiles::GBR::TileSet::Objects::TileImport.initFromBitString(object_data)

    when :palettes
      object = GBTiles::GBR::TileSet::Objects::Palettes.initFromBitString(object_data)

    when :tile_pal
      object = GBTiles::GBR::TileSet::Objects::TilePal.initFromBitString(object_data)

    else
      object = GBTiles::GBR::TileSet::Objects::Unknown.new object_type
      object.object_data = object_data

    end

    object.object_id = object_id

    import.tile_set.objects << object
  end

  import
end