Class: GBTiles::GBM::Map::Objects::MapTileData

Inherits:
GBTiles::GBM::Map::Object show all
Defined in:
lib/gbtiles/gbm/map/objects/map_tile_data.rb

Instance Attribute Summary collapse

Attributes inherited from GBTiles::GBM::Map::Object

#master_id, #object_id, #object_type

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ MapTileData 



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# File 'lib/gbtiles/gbm/map/objects/map_tile_data.rb', line 9

def initialize
  super GBTiles::GBM::Map::OBJECT_TYPE[:map_tile_data]

  @records = []
end

Instance Attribute Details

#records ⇒ Object

Returns the value of attribute records.



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# File 'lib/gbtiles/gbm/map/objects/map_tile_data.rb', line 7

def records
  @records
end

Class Method Details

.initFromBitString(src) ⇒ Object 



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# File 'lib/gbtiles/gbm/map/objects/map_tile_data.rb', line 15

def self.initFromBitString src
  object = GBTiles::GBM::Map::Objects::MapTileData.new

  while !src.empty?
    # Get the record
    number = src.slice!(0..2) # Get 24-bits (3 bytes)
    number = 0.chr + number # Convert from 24-bit to 32-bit
    number = number.unpack("N").first # Unpack integer

    object.records << GBTiles::GBM::Map::Objects::MapTileDataRecord.initFromBitString(number)
  end

  object
end

Instance Method Details

#row(row, width = 16) ⇒ Object 



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# File 'lib/gbtiles/gbm/map/objects/map_tile_data.rb', line 30

def row row, width = 16
  @records[(width * (row - 1))..((width * row) - 1)]
end