71 lines
2.2 KiB
CoffeeScript
71 lines
2.2 KiB
CoffeeScript
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class @ImageTextModeTundra extends @ImageTextMode
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constructor: ( options ) ->
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super
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this[k] = v for own k, v of options
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parse: ( content ) ->
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colors = [ [ 0, 0, 0 ] ]
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palidx = 1
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x = 0
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y = 0
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fg = 0
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bg = 0
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@screen[ y ] = []
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content = content.substr( 8 ).split( '' )
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while command = content.shift()
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break if command == "\x1a"
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command = command.charCodeAt( 0 )
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if command is 1
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y = @unpackLong( content.splice( 0, 4 ).join( '' ) )
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x = @unpackLong( content.splice( 0, 4 ).join( '' ) )
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@screen[ y ] = [] if !@screen[ y ]?
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continue
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ch = null
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if command is 2
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ch = content.shift()
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rgb = @unpackLong( content.splice( 0, 4 ).join( '' ) )
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fg = palidx++
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colors.push [
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( rgb >> 16 ) & 0x000000ff,
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( rgb >> 8 ) & 0x000000ff,
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rgb & 0x000000ff
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]
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else if command is 4
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ch = content.shift()
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rgb = @unpackLong( content.splice( 0, 4 ).join( '' ) )
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bg = palidx++
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colors.push [
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( rgb >> 16 ) & 0x000000ff,
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( rgb >> 8 ) & 0x000000ff,
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rgb & 0x000000ff
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]
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else if command is 6
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ch = content.shift()
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fg = palidx++
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bg = palidx++
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for [ 0 .. 1 ]
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rgb = @unpackLong( content.splice( 0, 4 ).join( '' ) )
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colors.push [
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( rgb >> 16 ) & 0x000000ff,
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( rgb >> 8 ) & 0x000000ff,
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rgb & 0x000000ff
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]
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ch = String.fromCharCode( command ) unless ch?
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@screen[ y ][ x ] = { 'ch': ch, 'fg': fg, 'bg': bg }
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x++
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if x == 80
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x = 0
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y++
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@screen[ y ] = []
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@screen.pop() if @screen[ y ].length == 0
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@palette = new ImageTextModePalette( { colors: colors } )
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