Class: Bayonetta::WTBFile

Inherits:
Object
  • Object
show all
Includes:
Endianness
Defined in:
lib/bayonetta/wtb.rb

Constant Summary collapse

ALIGNMENTS = 
{
  '.dds' => 0x1000,
  '.gtx' => 0x2000,
  '.bntx' => 0x2000,
  '.xt1' => 0x1000
}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(f = nil, big = false, wtp = nil, game: nil, platform: nil) ⇒ WTBFile

Returns a new instance of WTBFile.



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# File 'lib/bayonetta/wtb.rb', line 24

def initialize(f = nil, big = false, wtp = nil, game: nil, platform: nil)
  @game = nil
  if f
    f.rewind
    @wtp = wtp
    @id = f.read(4)
    case @id
    when "WTB\0".b
      texture_type = ".dds"
      if @wtp
        tex_id = @wtp.read(4)
        if tex_id == "BNTX"
          texture_type = ".bntx"
        end
      end
      @big = false
    when "\0BTW".b
      texture_type = ".gtx"
      @big = true
    else
      "Invalid file type #{@id}!"
    end
    uint = get_uint
    @total_size = f.size
    @unknown = f.read(4).unpack(uint).first
    @num_tex = f.read(4).unpack(uint).first
    @offset_texture_offsets = f.read(4).unpack(uint).first
    @offset_texture_sizes = f.read(4).unpack(uint).first
    @offset_texture_flags = f.read(4).unpack(uint).first
    @offset_texture_idx = f.read(4).unpack(uint).first
    @offset_texture_infos = f.read(4).unpack(uint).first
    if @offset_texture_infos != 0 && @num_tex > 0
      off = f.tell
      f.seek(@offset_texture_infos)
      if f.read(4) == "XT1\0".b
        texture_type = ".xt1"
      end
      f.seek(off)
    end
    if @wtp && @big
      @offset_mipmap_offsets = f.read(4).unpack(uint).first
      if @offset_mipmap_offsets != 0
        f.seek(@offset_mipmap_offsets)
        @mipmap_offsets = f.read(4*@num_tex).unpack("#{uint}*")
      end
    end

    f.seek(@offset_texture_offsets)
    @texture_offsets = f.read(4*@num_tex).unpack("#{uint}*")

    if @offset_texture_sizes != 0
      f.seek(@offset_texture_sizes)
      @texture_sizes = f.read(4*@num_tex).unpack("#{uint}*")
    end

    if @offset_texture_flags != 0
      f.seek(@offset_texture_flags)
      @texture_flags = f.read(4*@num_tex).unpack("#{uint}*")
    end

    if @offset_texture_idx != 0
      f.seek(@offset_texture_idx)
      @texture_idx = f.read(4*@num_tex).unpack("#{uint}*")
    else
      @texture_idx = []
    end

    @texture_infos = []

    if !@wtp && texture_type == ".dds" &&  @offset_texture_offsets != 0 && @offset_texture_sizes != 0
      @texture_offsets.each_with_index { |off, i|
        if @texture_sizes[i] > 4
          f.seek(off)
          tex_id = f.read(4)
          if tex_id == "BNTX"
            texture_type = ".bntx"
            break
          end
        end
      }
    end

    if !@wtp && texture_type == ".xt1" # Astral Chain Switch
      @textures = @texture_offsets.each_with_index.collect { |off, i|
        f.seek(@offset_texture_infos + i*0x38)
        tex_header = f.read( 0x38 )
        f.seek(off)
        StringIO::new( tex_header << f.read(@texture_sizes[i]), "rb" )
      }
    elsif @wtp && texture_type == ".xt1" # Astral Chain Switch
      @textures = @texture_offsets.each_with_index.collect { |off, i|
        f.seek(@offset_texture_infos + i*0x38)
        @wtp.seek(off)
        StringIO::new( f.read( 0x38 ) + @wtp.read(@texture_sizes[i]), "rb" )
      }
      @wtp = true
    elsif !@wtp && @offset_texture_offsets != 0 && @offset_texture_sizes != 0
      @textures = @texture_offsets.each_with_index.collect { |off, i|
        f.seek( off )
        StringIO::new( f.read( @texture_sizes[i] ), "rb" )
      }
    elsif @wtp && @big && @offset_texture_offsets != 0 && @offset_texture_sizes != 0 # Bayo 2 WiiU
      @wtp.rewind
      @data_length = []
      @mipmap_length = []
      @textures = @texture_offsets.each_with_index.collect { |off, i|
        of = StringIO::new("", "w+b")
        f.seek(@offset_texture_infos + i*0xc0)
        gx2 = f.read(0x9c)
        num_mipmap = gx2[0x10...0x14].unpack(uint).first
        data_length = gx2[0x20...0x24].unpack(uint).first
        mipmap_length = gx2[0x28...0x2c].unpack(uint).first
        @data_length.push data_length
        @mipmap_length.push mipmap_length
        of.write("\x47\x66\x78\x32\x00\x00\x00\x20\x00\x00\x00\x07\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00")
        of.write("\x42\x4C\x4B\x7B\x00\x00\x00\x20\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0B\x00\x00\x00\x9C\x00\x00\x00\x00\x00\x00\x00\x00")
        of.write(gx2)
        of.write("\x42\x4C\x4B\x7B\x00\x00\x00\x20\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0C")
        of.write(gx2[0x20...0x24])
        of.write("\x00\x00\x00\x00\x00\x00\x00\x00")
        @wtp.seek(off)
        of.write( @wtp.read(data_length) )
        if num_mipmap > 1
          of.write("\x42\x4C\x4B\x7B\x00\x00\x00\x20\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0D")
          of.write(gx2[0x28...0x2c])
          of.write("\x00\x00\x00\x00\x00\x00\x00\x00")
          @wtp.seek(@mipmap_offsets[i])
          of.write( @wtp.read(mipmap_length) )
        end
        of.write("\x42\x4C\x4B\x7B\x00\x00\x00\x20\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00")
        of.close_write
        of
      }
      @wtp = true
    elsif @wtp && !@big && @offset_texture_offsets != 0 && @offset_texture_sizes != 0 # Nier PC
      @wtp.rewind
      @textures = @texture_offsets.each_with_index.collect { |off, i|
        of = StringIO::new("", "w+b")
        @wtp.seek(off)
        of.write( @wtp.read(@texture_sizes[i]) )
        of.close_write
        of
      }
      if @offset_texture_infos != 0
        f.seek(@offset_texture_infos)
        @texture_infos = f.read(5*4*@num_tex).unpack("#{uint}*")
      end
    else
      raise "Invalid texture data!"
    end

    @texture_types = [texture_type]*@num_tex

  else
    @big = big
    @wtp = wtp
    @id = "WTB\0".b
    @id.reverse! if @big
    @unknown = 0x1
    @num_tex = 0
    @offset_texture_offsets = 0x0
    @offset_texture_sizes = 0x0
    @offset_texture_flags = 0x0
    @offset_texture_idx = 0x0
    @offset_texture_infos = 0x0
    if @wtp && @big
      @offset_mipmap_offsets = 0x0
      @mipmap_offsets = []
      @mipmap_length = []
      @data_length = []
    end

    @texture_offsets = []
    @texture_sizes = []
    @texture_flags = []
    @texture_idx = []
    @texture_infos = []

    @textures = []
    @texture_types = []
  end
end

Instance Attribute Details

#big ⇒ Object (readonly)

Returns the value of attribute big.



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# File 'lib/bayonetta/wtb.rb', line 13

def big
  @big
end

#game ⇒ Object (readonly)

Returns the value of attribute game.



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# File 'lib/bayonetta/wtb.rb', line 14

def game
  @game
end

#texture_flags ⇒ Object

Returns the value of attribute texture_flags.



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# File 'lib/bayonetta/wtb.rb', line 10

def texture_flags
  @texture_flags
end

#texture_idx ⇒ Object

Returns the value of attribute texture_idx.



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# File 'lib/bayonetta/wtb.rb', line 11

def texture_idx
  @texture_idx
end

#texture_infos ⇒ Object

Returns the value of attribute texture_infos.



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# File 'lib/bayonetta/wtb.rb', line 12

def texture_infos
  @texture_infos
end

#unknown ⇒ Object

Returns the value of attribute unknown.



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# File 'lib/bayonetta/wtb.rb', line 9

def unknown
  @unknown
end

Instance Method Details

#compute_layout ⇒ Object 



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# File 'lib/bayonetta/wtb.rb', line 220

def compute_layout
  if @wtp && ( @big || ( @texture_types && @texture_types.size > 0 && @texture_types[0] == ".bntx" ) )
    last_offset = @offset_texture_offsets = 0x40
  else
    last_offset = @offset_texture_offsets = 0x20
  end
  last_offset = @offset_texture_sizes = align(last_offset + 4*@num_tex, 0x20)
  last_offset = @offset_texture_flags = align(last_offset + 4*@num_tex, 0x20)
  if @texture_idx != []
    last_offset = @offset_texture_idx = align(last_offset + 4*@num_tex, 0x20)
  end
  unless @wtp
    last_offset = last_offset + 4*@num_tex
    if @texture_types[0] == ".xt1" #Astral chain wtb
      last_offset = @offset_texture_infos = align(last_offset, 0x20)
      last_offset = align(last_offset + 0x38*@num_tex, 0x10)
    end
    @texture_offsets = @num_tex.times.collect { |i|
      tmp = align(last_offset, ALIGNMENTS[@texture_types[i]])
      last_offset = align(tmp + @texture_sizes[i], ALIGNMENTS[@texture_types[i]])
      tmp
    }
    @total_size = last_offset
  else
    unless @texture_types && @texture_types.size > 0 && @texture_types[0] == ".bntx" #Bayo 2 Switch
      last_offset = @offset_texture_infos = align(last_offset + 4*@num_tex, 0x20)
      if @big
        last_offset = @offset_mipmap_offsets = align(last_offset + 0xc0*@num_tex, 0x20)
        last_offset = align(last_offset + 4*@num_tex, 0x20)
      elsif @texture_types[0] == ".xt1" #Astral chain
        last_offset = align(last_offset + 0x38*@num_tex, 0x10)
      else #Nier
        last_offset = align(last_offset + 5*4*@num_tex, 0x20)
      end
    else
      last_offset = align(last_offset + 4*@num_tex, 0x20)
    end
    @total_size = last_offset

    offset_wtp = 0x0
    if @big
      @texture_offsets = @num_tex.times.collect { |i|
        tmp = align(offset_wtp, ALIGNMENTS[@texture_types[i]])
        offset_wtp = align(tmp + @data_length[i], ALIGNMENTS[@texture_types[i]])
        tmp
      }
      @mipmap_offsets = @num_tex.times.collect { |i|
        if @mipmap_length[i] != 0
          tmp = align(offset_wtp, ALIGNMENTS[@texture_types[i]])
          offset_wtp = align(tmp + @mipmap_length[i], ALIGNMENTS[@texture_types[i]])
          tmp
        else
          0
        end
      }
    elsif @texture_types[0] == ".xt1" #Astral chain wta
      @texture_offsets = @num_tex.times.collect { |i|
        tmp = align(offset_wtp, ALIGNMENTS[@texture_types[i]])
        offset_wtp = align(tmp + @texture_sizes[i], ALIGNMENTS[@texture_types[i]])
        tmp
      }
    else #Nier or Bayo 2 Switch
      @texture_offsets = @num_tex.times.collect { |i|
        tmp = align(offset_wtp, ALIGNMENTS[@texture_types[i]])
        offset_wtp = align(tmp + @texture_sizes[i], ALIGNMENTS[@texture_types[i]])
        tmp
      }
    end
    @total_size_wtp = offset_wtp
  end
end

#dump(name) ⇒ Object 



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# File 'lib/bayonetta/wtb.rb', line 364

def dump(name)
  compute_layout
  uint = get_uint
  File.open(name,"wb") { |f|
    f.write("\0"*@total_size)
    f.rewind
    f.write(@id)
    f.write([@unknown].pack(uint))
    f.write([@num_tex].pack(uint))
    f.write([@offset_texture_offsets].pack(uint))
    f.write([@offset_texture_sizes].pack(uint))
    f.write([@offset_texture_flags].pack(uint))
    f.write([@offset_texture_idx].pack(uint))
    f.write([@offset_texture_infos].pack(uint))
    f.write([@offset_mipmap_offsets].pack(uint)) if @wtp && @big


    f.seek(@offset_texture_offsets)
    f.write(@texture_offsets.pack("#{uint}*"))

    if @offset_texture_sizes != 0
      f.seek(@offset_texture_sizes)
      f.write(@texture_sizes.pack("#{uint}*"))
    end

    if @offset_texture_flags != 0
      f.seek(@offset_texture_flags)
      f.write(@texture_flags.pack("#{uint}*"))
    end

    if @offset_texture_idx != 0
      f.seek(@offset_texture_idx)
      f.write(@texture_idx.pack("#{uint}*"))
    end

    unless @wtp
      if @texture_types.first == ".xt1" #Astral Chain
        @textures.each_with_index { |f_t, i|
          f.seek(@offset_texture_infos + i*0x38)
          f_t.rewind
          f.write( f_t.read(0x38) )
          f.seek(@texture_offsets[i])
          f.write( f_t.read )
          f_t.rewind
        }

      else
        @texture_offsets.each_with_index { |off, i|
          f.seek(off)
          @textures[i].rewind
          f.write( @textures[i].read )
          @textures[i].rewind
        }
      end
    else
      if @big
        @textures.each_with_index { |f_t, i|
          f.seek(@offset_texture_infos + i*0xc0)
          f_t.seek(0x20*2)
          f.write( f_t.read(0x9c) )
        }
        if @offset_mipmap_offsets != 0
          f.seek(@offset_mipmap_offsets)
          f.write(@mipmap_offsets.pack("#{uint}*"))
        end
      elsif @texture_types.first == ".xt1" #Astral Chain
        @textures.each_with_index { |f_t, i|
          f.seek(@offset_texture_infos + i*0x38)
          f_t.rewind
          f.write( f_t.read(0x38) )
        }
      else #Nier or Bayo 2 Switch
        if @offset_texture_infos != 0
          f.seek(@offset_texture_infos)
          f.write(@texture_infos.pack("#{uint}*"))
        end
      end
      File.open(name.gsub(".wta", ".wtp"), "wb") { |f_wtp|
        f_wtp.write("\x00"*@total_size_wtp)
        f_wtp.rewind
        if @big
          @texture_offsets.each_with_index { |off, i|
            f_wtp.seek(off)
            @textures[i].seek(0x20*3+0x9c)
            f_wtp.write(@textures[i].read(@data_length[i]))
          }
          @mipmap_offsets.each_with_index { |off, i|
            if off != 0
              f_wtp.seek(off)
              @textures[i].seek(0x20*4+0x9c+@data_length[i])
              f_wtp.write(@textures[i].read(@mipmap_length[i]))
            end
          }
        elsif @texture_types.first == ".xt1"  #Astral Chain
          @texture_offsets.each_with_index { |off, i|
            f_wtp.seek(off)
            @textures[i].seek(0x38)
            f_wtp.write( @textures[i].read )
            @textures[i].rewind
          }
        else #Nier or Bayo 2 Switch
          @texture_offsets.each_with_index { |off, i|
            f_wtp.seek(off)
            @textures[i].rewind
            f_wtp.write( @textures[i].read )
            @textures[i].rewind
          }
        end
      }
    end

  }

end

#each ⇒ Object 



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# File 'lib/bayonetta/wtb.rb', line 354

def each
  if block_given? then
    @num_tex.times { |i|
      yield [@texture_types[i], @texture_flags[i], @texture_idx[i]], @textures[i]
    }
  else
    to_enum(:each)
  end
end

#invalidate_layout ⇒ Object 



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# File 'lib/bayonetta/wtb.rb', line 207

def invalidate_layout
  @offset_texture_offsets = 0x0
  @offset_texture_sizes = 0x0
  @offset_texture_flags = 0x0
  @offset_texture_idx = 0x0
  @offset_texture_infos = 0x0
  if @wtp && @big
    @offset_mipmap_offsets = 0x0
    @mipmap_offsets = []
  end
  @texture_offsets = []
end

#push(file, flag = 0x0, idx = nil) ⇒ Object 



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# File 'lib/bayonetta/wtb.rb', line 292

def push(file, flag = 0x0, idx = nil)
  id = file.read(4)
  file.rewind
  case id
  when "XT1\0".b
    @texture_types.push( ".xt1" )
  when "Gfx2".b
    @texture_types.push( ".gtx" )
  when "DDS ".b
    @texture_types.push( ".dds" )
  when "BNTX".b
    @texture_types.push( ".bntx" )
  else
    begin
      warn "Determining type by extension!"
      p = file.path
      case File.extname(p).downcase
      when ".dds"
        @texture_types.push( ".dds" )
      when ".gtx"
        @texture_types.push( ".gtx" )
      when ".bntx"
        @texture_types.push( ".bntx" )
      when ".xt1"
        @texture_types.push( ".xt1" )
      else
        raise "Unsupported texture type! #{File.extname(p)}"
      end
    rescue
      raise "Unsupported texture type! #{id}"
    end
  end
  invalidate_layout
  uint = get_uint
  flag = 0x60000020 if @wtp && flag == 0x0
  @texture_sizes.push( file.size )
  @textures.push( file )
  @texture_flags.push( flag )
  @texture_idx.push if idx
  if @wtp && @big
    unless idx
      @texture_idx.push Zlib.crc32(file.read,0)
      file.rewind
    end
    file.seek(0x20*2)
    gx2 = file.read(0x9c)
    num_mipmap = gx2[0x10...0x14].unpack(uint).first
    data_length = gx2[0x20...0x24].unpack(uint).first
    mipmap_length = gx2[0x28...0x2c].unpack(uint).first
    @data_length.push( data_length )
    if num_mipmap > 1
      @mipmap_length.push( mipmap_length )
    else
      @mipmap_length.push( 0x0 )
    end
  elsif @texture_types.last == ".xt1"
    @texture_sizes[-1] = file.size - 0x38
  end
  @num_tex += 1
  self
end