tileset.rb in tileset_tooling-0.1.0

- old
+ new

@@ -11,64 +11,59 @@
   end
 
   attr_reader :tiles
 end
 
-# Class representing a TileSet's information
-class ::TilesetTooling::Data::TileSet < ::Dry::Struct
-  attribute :image, ::TilesetTooling::Data::Types::ImageType
-  attribute :original_image_path, ::TilesetTooling::Data::Types::String
+# Class representing any TileSet's information
+class ::TilesetTooling::Data::TileSetBase < ::Dry::Struct
+  attribute :height, ::TilesetTooling::Data::Types::Integer
+  attribute :width, ::TilesetTooling::Data::Types::Integer
   attribute :tile_height, ::TilesetTooling::Data::Types::Integer
   attribute :tile_width, ::TilesetTooling::Data::Types::Integer
   attribute :margin, ::TilesetTooling::Data::Types::Integer
   attribute :offset_top, ::TilesetTooling::Data::Types::Integer
   attribute :offset_left, ::TilesetTooling::Data::Types::Integer
 
-  # Helper to print all information in the image
-  def to_s
-    %(
-Image '#{original_image_path}'
-  Tile height: #{tile_height}
-  Tile width: #{tile_width}
-  Margin: #{margin}
-  Top offset: #{offset_top}
-  Left offset: #{offset_left}
-  Number of tiles: #{rows.count * rows[0].tiles.count})
-  end
-
   # Runs the given bloc on each tile of the tileset
   def for_each_tile(&block)
     rows.each do |row|
       row.tiles.each do |tile|
         block.call(tile)
       end
     end
   end
 
-  # Gets the height of the tileset/image
-  def height
-    image.height
+  # Gets the number of tiles per row
+  def nb_tiles_per_row
+    rows[0].tiles.length
   end
 
-  # Gets the width of the tileset/image
-  def width
-    image.width
+  # Gets the number of tiles per column
+  def nb_tiles_per_column
+    rows.length
   end
 
+  # Gets the tile at the specified row/column
+  def tile_at(row_index, column_index)
+    rows[row_index].tiles[column_index]
+  end
+
   private
 
   # Computes the tiles and returns them
   def rows
     return @rows unless @rows.nil?
 
     @rows = []
     top = offset_top
+    row_index = 0
     loop do
       left = offset_left
       tiles = []
       margin_top = top.positive? ? margin : 0
       margin_bottom = top + tile_height < height ? margin : 0
+      column_index = 0
 
       loop do
         margin_left = left.positive? ? margin : 0
         margin_right = left + tile_width < width ? margin : 0
 
@@ -78,19 +73,42 @@
           height: tile_height,
           width: tile_width,
           margin_top: margin_top,
           margin_left: margin_left,
           margin_bottom: margin_bottom,
-          margin_right: margin_right
+          margin_right: margin_right,
+          row_index: row_index,
+          column_index: column_index
         )
         left += tile_width + margin_left + margin_right
+        column_index += 1
         break if left >= width
       end
 
       @rows << ::TilesetTooling::Data::TileSetRow.new(tiles)
       top += tile_height + margin_top + margin_bottom
+      row_index += 1
       break if top >= height
     end
 
     @rows
   end
+end
+
+# Real tileset, associated with an actual image on disk
+class ::TilesetTooling::Data::FileTileSet < ::TilesetTooling::Data::TileSetBase
+  attribute :image, ::TilesetTooling::Data::Types::ImageType
+  attribute :original_image_path, ::TilesetTooling::Data::Types::String
+
+  def self.new(**kwargs)
+    image = kwargs[:image]
+    kwargs[:image] = image
+    kwargs[:height] = image.height
+    kwargs[:width] = image.width
+
+    super(**kwargs)
+  end
+end
+
+# Virtual tileset, not associated with an actual image
+class ::TilesetTooling::Data::VirtualTileSet < ::TilesetTooling::Data::TileSetBase
 end