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30 lines
909 B
CoffeeScript
30 lines
909 B
CoffeeScript
10 years ago
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class Tileset
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constructor: (@engine, @name, @image, @tile_width, @tile_height) ->
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@tiles = {}
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tile: (x, y, precise = false, w = 0, h = 0) =>
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key = "#{x}/#{y}/#{w}/#{h}/" + if precise then 1 else 0
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@tiles[key] ? tiles[key] = new TilesetTile(@engine, this, x, y, precise, w, h)
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class TilesetTile
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constructor: (@engine, @tileset, @x, @y, @precise = false, @w = 0, @h = 0) ->
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pass
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draw: (x, y) =>
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if @precise
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source_x = @x
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source_y = @y
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source_w = @w
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source_h = @h
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else
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source_x = @x * @tileset.tile_width
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source_y = @y * @tileset.tile_height
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source_w = @tileset.tile_width
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source_h = @tileset.tile_height
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surface = @engine.getSurface()
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# TODO: Options.
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surface.drawImage(source_x, source_y, source_width, source_height, x, y)
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getSize: =>
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return if @precise then {width: @w, height: @h} else {width: @tileset.tile_width, height: @tileset.tile_height}
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