Class: Bayonetta::WMBFile

Inherits:
LibBin::Structure
  • Object
show all
Includes:
Alignment
Defined in:
lib/bayonetta/wmb.rb

Defined Under Namespace

Classes: Batch, BatchHeader, Bayo1Material, Material, Mesh, MeshHeader, ShaderName, TexInfo, TexInfos, UnknownStruct, WMBFileHeader

Constant Summary collapse

VERTEX_TYPES = 
{}

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.convert(input_name, output_name, output_big = false) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1199

def self.convert(input_name, output_name, output_big = false)
  if input_name.respond_to?(:read) && input_name.respond_to?(:seek)
    input = input_name
  else
    File.open(input_name, "rb") { |f|
      input = StringIO::new(f.read, "rb")
    }
  end
  input_big = validate_endianness(input)

  if output_name.respond_to?(:write) && output_name.respond_to?(:seek)
    output = output_name
  else
    output = File.open(output_name, "wb")
  end
  output.write("\xFB"*input.size)
  output.rewind

  wmb = self::new
  wmb.instance_variable_set(:@__was_big, input_big)
  wmb.__convert(input, output, input_big, output_big)

  input.close unless input_name.respond_to?(:read) && input_name.respond_to?(:seek)
  output.close unless output_name.respond_to?(:write) && output_name.respond_to?(:seek)
  wmb
end

.is_wmb3?(input) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bayonetta/wmb.rb', line 1255

def self.is_wmb3?(input)
  input.rewind
  id = input.read(4).unpack("a4").first
  input.rewind
  return id == "WMB3".b || id == "3BMW".b
end

.load(input_name) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1226

def self.load(input_name)
  if input_name.respond_to?(:read) && input_name.respond_to?(:seek)
    input = input_name
  else
    input = File.open(input_name, "rb")
  end
  if is_wmb3?(input)
    input.close unless input_name.respond_to?(:read) && input_name.respond_to?(:seek)
    return WMB3File::load(input_name)
  end
  input = StringIO::new(input.read, "rb")
  input_big = validate_endianness(input)

  wmb = self::new
  wmb.instance_variable_set(:@__was_big, input_big)
  wmb.__load(input, input_big)
  input.close unless input_name.respond_to?(:read) && input_name.respond_to?(:seek)

  wmb
end

.validate_endianness(input) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1262

def self.validate_endianness(input)
  input.rewind
  id = input.read(4).unpack("a4").first
  case id
  when "WMB\0".b
    input_big = false
  when "\0BMW".b
    input_big = true
  else
    raise "Invalid file type #{id}!"
  end
  input.rewind
  input_big
end

Instance Method Details

#add_ancestors_bone_refs ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 2013

def add_ancestors_bone_refs
  @meshes.each { |m|
    m.batches.each { |b|
      b.add_ancestors_bone_refs(@vertexes, get_bone_structure)
    }
  }
  self
end

#add_previous_bone_refs ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 2022

def add_previous_bone_refs
  @meshes.each { |m|
    m.batches.each { |b|
      b.add_previous_bone_refs(@vertexes, get_bone_structure)
    }
  }
  self
end

#advanced_materials ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1931

def advanced_materials
  if is_bayo2?
    materials
  else
    materials.collect { |m|
      if $material_db[m.type][:layout]
        Bayo1Material::new(m)
      else
        m
      end
    }
  end
end

#check_normals ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1317

def check_normals
  return self if @__was_big
  wide_normals = false
  @vertexes.each { |v|
    if v.normal.normal_small_orig.bytes.first != 0
      wide_normals = true
    end
  }
  if wide_normals
    @vertexes.each { |v|
      v.normal.wide = true
      v.normal.redecode_wide
    }
  end
  self
end

#cleanup_bone_refs ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 2004

def cleanup_bone_refs
  @meshes.each { |m|
    m.batches.each { |b|
      b.cleanup_bone_refs(@vertexes)
    }
  }
  self
end

#cleanup_bones ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 2031

def cleanup_bones
  used_bones = Set[]
  @meshes.each { |m|
    m.batches.each { |b|
      used_bones.merge b.bone_refs
    }
  }
  bones = get_bone_structure
  used_bones.to_a.each { |bi|
    used_bones.merge bones[bi].parents.collect(&:index)
  }
  restrict_bones(used_bones)
  self
end

#cleanup_material_sizes ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1976

def cleanup_material_sizes
  raise "Unsupported for Bayonetta 2!" if @shader_names
  @materials.each { |m|
     type = m.type
     if $material_db.key?(type) && $material_db[type][:size]
       size = $material_db[type][:size]
     else
       warn "Unknown material type #{m.type}!"
       next
     end
     data_number = (size - 4)/4
     m.material_data = m.material_data.first(data_number)
  }
  self
end

#cleanup_materials ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1945

def cleanup_materials
  used_materials = Set[]
  @meshes.each { |m|
    m.batches.each { |b|
      if @tex_infos #Bayo 2
        used_materials.add(b.header.ex_mat_id)
      else #Bayo 1
        used_materials.add(b.header.material_id)
      end
    }
  }
  materials = @header.num_materials.times.to_a
  kept_materials = materials & used_materials.to_a
  correspondance_table = kept_materials.each_with_index.to_h
  @materials.select!.with_index { |_, i| used_materials.include?(i) }
  @header.num_materials = used_materials.size
  if @shader_names
    @shader_names.select!.with_index { |_, i| used_materials.include?(i) }
  end
  @meshes.each { |m|
    m.batches.each { |b|
      if @tex_infos
        b.header.ex_mat_id = correspondance_table[b.header.ex_mat_id]
      else
        b.header.material_id = correspondance_table[b.header.material_id]
      end
    }
  }
  self
end

#cleanup_textures(input_name, overwrite) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1857

def cleanup_textures(input_name, overwrite)
  if File.exist?(input_name.gsub(".wmb",".wtb"))
    wtb = WTBFile::new(File::new(input_name.gsub(".wmb",".wtb"), "rb"))
    if overwrite
      output_name = input_name.gsub(".wmb",".wtb")
    else
      output_name = "wtb_output/#{File.basename(input_name, ".wmb")}.wtb"
    end
    wtp = false
  elsif File.exist?(input_name.gsub(".wmb",".wta"))
    wtb = WTBFile::new(File::new(input_name.gsub(".wmb",".wta"), "rb"), true, File::new(input_name.gsub(".wmb",".wtp"), "rb"))
    if overwrite
      output_name = input_name.gsub(".wmb",".wta")
    else
      output_name = "wtb_output/#{File.basename(input_name, ".wmb")}.wta"
    end
    wtp = true
  else
    raise "Could not find texture file!"
  end

  available_textures = {}
  digests = []
  wtb.each.with_index { |(info, t), i|
    if @tex_info #Bayo 2
      digest = Digest::SHA1.hexdigest(t.read)
      available_textures[info[2]] = digest
      digests.push( digest )
    else #Bayo 1
      digest = Digest::SHA1.hexdigest(t.read)
      available_textures[i] = digest
      digests.push( digest )
    end
    t.rewind
  }
  used_textures_digest_map = {}
  used_texture_digests = Set[]
  @materials.each { |m|
    m.material_data[0..4].each { |tex_id|
      if available_textures.key?(tex_id)
        digest = available_textures[tex_id]
        used_textures_digest_map[tex_id] = digest
        used_texture_digests.add(digest)
      end
    }
  }
  index_list = digests.each_with_index.collect { |d,i| [i,d] }.select { |i, d|
    used_texture_digests.delete?(d)
  }.collect { |i,d| i }
  new_wtb = WTBFile::new(nil, wtb.big, wtp)
  j = 0
  digest_to_tex_id_map = {}
  wtb.each.with_index { |(info, t), i|
    if index_list.include?(i)
      new_wtb.push( t, info[1], info[2])
      if @tex_info
        digest_to_tex_id_map[digests[i]] = info[2]
      else
        digest_to_tex_id_map[digests[i]] = j
      end
      j += 1
    end
  }
  new_wtb.dump(output_name)
  @materials.each { |m|
    m.material_data[0..4].each_with_index { |tex_id, i|
      if available_textures.key?(tex_id)
        digest = available_textures[tex_id]
        m.material_data[i] = digest_to_tex_id_map[digest]
      end
    }
  }
end

#cleanup_vertexes ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 2088

def cleanup_vertexes
  used_vertex_indexes = []
  @meshes.each { |m|
    m.batches.each { |b|
      used_vertex_indexes += b.vertex_indices
    }
  }
  used_vertex_indexes = used_vertex_indexes.sort.uniq
  @vertexes = used_vertex_indexes.collect { |i| @vertexes[i] }
  @vertexes_ex_data = used_vertex_indexes.collect { |i| @vertexes_ex_data[i] } if @vertexes_ex_data
  @header.num_vertexes = @vertexes.size
  vertex_map = used_vertex_indexes.each_with_index.to_h
  @meshes.each { |m|
    m.batches.each { |b|
      b.indices.collect! { |i|
        vertex_map[i + b.header.vertex_offset]
      }
      b.recompute_from_absolute_indices
    }
  }
  self
end

#copy_uv12(mesh_list) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 2284

def copy_uv12(mesh_list)
  raise "No UV2 in model!" unless @vertexes_ex_data[0].respond_to?(:mapping2)
  mesh_list.each { |i|
    @meshes[i].batches.each { |b|
      b.vertex_indices.each { |vi|
        @vertexes_ex_data[vi].mapping2.u = @vertexes[vi].mapping.u
        @vertexes_ex_data[vi].mapping2.v = @vertexes[vi].mapping.v
      }
    }
  }
end

#copy_vertex_properties(vertex_hash, **options) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 2164

def copy_vertex_properties(vertex_hash, **options)
  vertex_usage = nil
  vertex_usage = get_vertex_usage if options[:bone_infos]
  vertex_hash.each { |ivi, ovis|
    ovis = [ovis].flatten
    ovis.each { |ovi|
      iv = @vertexes[ivi]
      ov = @vertexes[ovi]
      if options[:position]
        if @positions
          @positions[ovi].x = @positions[ivi].x
          @positions[ovi].y = @positions[ivi].y
          @positions[ovi].z = @positions[ivi].z
        end
        if ov.respond_to?(:position)
          ov.position.x = iv.position.x
          ov.position.y = iv.position.y
          ov.position.z = iv.position.z
        end
        if ov.respond_to?(:position2)
          ov.position2.x = iv.position2.x
          ov.position2.y = iv.position2.y
          ov.position2.z = iv.position2.z
        end
        if @vertexes_ex_data
          if @vertexes_ex_data[ovi].respond_to?(:position2)
            @vertexes_ex_data[ovi].position2.x = @vertexes_ex_data[ivi].position2.x
            @vertexes_ex_data[ovi].position2.y = @vertexes_ex_data[ivi].position2.y
            @vertexes_ex_data[ovi].position2.z = @vertexes_ex_data[ivi].position2.z
          end
        end
      end
      if options[:mapping]
        if ov.respond_to?(:mapping) 
          ov.mapping.u = iv.mapping.u
          ov.mapping.v = iv.mapping.v
        end
        if ov.respond_to?(:mapping2)
          ov.mapping2.u = iv.mapping2.u
          ov.mapping2.v = iv.mapping2.v
        end
        if @vertexes_ex_data && @vertexes_ex_data[ovi].respond_to?(:mapping2)
          @vertexes_ex_data[ovi].mapping2.u = @vertexes_ex_data[ivi].mapping2.u
          @vertexes_ex_data[ovi].mapping2.v = @vertexes_ex_data[ivi].mapping2.v
        end
      end
      if options[:normal]
        ov.normal = iv.normal
      end
      if options[:tangents]
        ov.tangents = iv.tangents
      end
      if options[:color]
        if ov.respond_to?(:color)
          ov.color = iv.color
        end
        if @vertexes_ex_data && @vertexes_ex_data[ovi].respond_to?(:color)
          @vertexes_ex_data[ovi].color = @vertexes_ex_data[ivi].color
        end
      end
      if options[:bone_infos] && ov.respond_to?(:bone_infos)
        input_batches = vertex_usage[ivi]
        raise "Unormalized vertex #{ivi} , normalize first, and recompute vertex numbers!" if input_batches.length > 1
        raise "Unused vertex #{ivi}!" if input_batches.length == 0
        output_batches = vertex_usage[ovi]
        raise "Unormalized vertex #{ovi} , normalize first, and recompute vertex numbers!" if output_batches.length > 1
        raise "Unused vertex #{ovi}!" if output_batches.length == 0
        input_batch = input_batches.first
        output_batch = output_batches.first
        input_bone_indexes_and_weights = iv.bone_infos.get_indexes_and_weights
        output_bone_indexes_and_weights = input_bone_indexes_and_weights.collect { |bi, bw|
          [input_batch.bone_refs[bi], bw]
        }.collect { |bi, bw|
          new_bi = output_batch.bone_refs.find_index(bi)
          unless new_bi
            new_bi = output_batch.bone_refs.length
            output_batch.bone_refs.push(bi)
            output_batch.num_bone_ref = output_batch.bone_refs.length
          end
          [new_bi, bw]
        }
        ov.bone_infos.set_indexes_and_weights( output_bone_indexes_and_weights )
      end
    }
  }
  self
end

#delete_batches(hash) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1832

def delete_batches(hash)
  hash.each { |k, list|
    raise "Mesh #{k} was not found in the model!" unless @meshes[k]
    list = case list
      when Enumerable
        list.to_a
      else
        [list]
      end
    kept_batches = @meshes[k].batches.length.times.to_a - list
    @meshes[k].batches = kept_batches.collect { |i|
      raise "Batch #{i} was not found in mesh #{k}!" unless @meshes[k].batches[i]
      @meshes[k].batches[i]
    }
    @meshes[k].header.num_batch = @meshes[k].batches.length
  }
  self
end

#delete_bones(list) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1851

def delete_bones(list)
  used_bones = (@header.num_bones.times.to_a - list)
  restrict_bones(used_bones)
  self
end

#delete_meshes(list) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1742

def delete_meshes(list)
  kept_meshes = @meshes.size.times.to_a - list
  @meshes = kept_meshes.collect { |i|
    @meshes[i]
  }
  @header.num_meshes = @meshes.size
  self
end

#dummy_meshes(list) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1772

def dummy_meshes(list)
  list.map { |i| m = @meshes[i]
    m.header.num_batch = 1
    m.batches = [m.batches.first]
    m.batches[0].set_triangles([m.batches[0].triangles.first[0]]*3)
  }
  self
end

#dump(output_name, output_big = false) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1277

def dump(output_name, output_big = false)
  if output_name.respond_to?(:write) && output_name.respond_to?(:seek)
    output = output_name
  else
    output = StringIO::new("", "wb")
  end
  output.rewind

  if was_big? != output_big
    if output_big
      u_a = header.u_a
      header.u_a = -1
    else
      u_a = header.u_a
      header.u_a = 0
    end
  end
  __set_dump_state(output, output_big, nil, nil)
  __dump_fields
  __unset_dump_state
  if was_big? != output_big
    header.u_a = u_a
  end

  sz = output.size
  sz = align(sz, 0x20)
  if sz > output.size
    output.seek(sz-1)
    output.write("\x00")
  end

  unless output_name.respond_to?(:write) && output_name.respond_to?(:seek)
    File.open(output_name, "wb") { |f|
      f.write output.string
    }
    output.close
  end
  self
end

#dump_bones(list = nil) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 2046

def dump_bones(list = nil)
  bone_struct = Struct::new(:index, :parent, :relative_position, :position, :global_index, :symmetric, :flag)
  table = @bone_index_translate_table.table.invert
  list = (0...@header.num_bones) unless list
  list.collect { |bi|
    bone_struct::new(bi, @bone_hierarchy[bi], @bone_relative_positions[bi], @bone_positions[bi], table[bi],  @header.offset_bone_symmetries > 0x0 ? @bone_symmetries[bi] : -1, @header.offset_bone_flags > 0x0 ? @bone_flags[bi] : 5)
  }
end

#duplicate_meshes(list) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1781

def duplicate_meshes(list)
  @meshes += list.collect { |i|
    @meshes[i].duplicate(@positions, @vertexes, @vertexes_ex_data)
  }
  @header.num_meshes = @meshes.size
  @header.num_vertexes = @vertexes.size
  self
end

#fix_ex_data ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 2272

def fix_ex_data
  @vertexes.each_with_index { |v, i|
    if @vertexes_ex_data[i].respond_to?(:color)
      @vertexes_ex_data[i].color.data = 0xffc0c0c0
    end
    if @vertexes_ex_data[i].respond_to?(:mapping2) 
      @vertexes_ex_data[i].mapping2.u = v.mapping.u
      @vertexes_ex_data[i].mapping2.v = v.mapping.v
    end
  }
end

#get_bone_structure ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1352

def get_bone_structure
  bones = @bone_positions.collect { |p|
    Bone::new(p)
  }
  bones.each_with_index { |b, i|
    if @bone_hierarchy[i] == -1
      b.parent = nil
    else
      b.parent = bones[@bone_hierarchy[i]]
      bones[@bone_hierarchy[i]].children.push(b)
    end
    b.index = i
    b.relative_position = @bone_relative_positions[i]
    b.symmetric = @bone_symmetries[i] if @header.offset_bone_symmetries > 0x0
    b.flag = @bone_flags[i] if @header.offset_bone_flags > 0x0
  }
end

#get_vertex_field(field, vi) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1175

def get_vertex_field(field, vi)
  if @vertexes[vi].respond_to?(field)
    return @vertexes[vi].send(field)
  elsif @vertexes_ex_data && @vertexes_ex_data[vi].respond_to?(field)
    return @vertexes_ex_data[vi].send(field)
  elsif field == :position && @positions
    return @positions[vi]
  else
    return nil
  end
end

#get_vertex_fields ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1155

def get_vertex_fields
  if @vertex_fields
    return @vertex_fields
  else
    types = VERTEX_TYPES[ [ @header.u_b, @header.vertex_ex_data_size, @header.vertex_ex_data] ]
    @vertex_fields = []
    if types[0]
      types[0].each { |name, type|
        @vertex_fields.push(name)
      }
    end
    if types[1]
      types[1].each { |name, type|
        @vertex_fields.push(name)
      }
    end
    return @vertex_fields
  end
end

#get_vertex_types ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1130

def get_vertex_types
  if @vertex_type
    return [@vertex_type, @vertex_ex_type]
  else
    types = VERTEX_TYPES[ [ @header.u_b, @header.vertex_ex_data_size, @header.vertex_ex_data] ]
    @vertex_type = Class::new(LibBin::Structure)
    @vertex_size = 0
    if types[0]
      types[0].each { |name, type|
        @vertex_type.register_field(name, VERTEX_FIELDS[type][0])
        @vertex_size += VERTEX_FIELDS[type][1]
      }
    end
    @vertex_ex_type = Class::new(LibBin::Structure)
    @vertex_ex_size = 0
    if types[1]
      types[1].each { |name, type|
        @vertex_ex_type.register_field(name, VERTEX_FIELDS[type][0])
        @vertex_ex_size += VERTEX_FIELDS[type][1]
      }
    end
    return [@vertex_type, @vertex_ex_type]
  end
end

#get_vertex_usage ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 2111

def get_vertex_usage
  vertex_usage = Hash::new { |h, k| h[k] = [] }
  @meshes.each { |m|
    m.batches.each { |b|
      b.vertex_indices.each { |i|
        vertex_usage[i].push(b)
      }
    }
  }
  vertex_usage.each { |k,v| v.uniq! }
  vertex_usage
end

#import_bones(list) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 2055

def import_bones( list )
  table = @bone_index_translate_table.table
  @header.num_bones += list.length
  list.each { |b|
    table[b[:global_index]] = b[:index]
    @bone_hierarchy.push b[:parent]
    @bone_relative_positions.push b[:relative_position]
    @bone_positions.push b[:position]
    @bone_symmetries.push b[:symmetric] if @header.offset_bone_symmetries > 0x0
    @bone_flags.push b[:flag] if @header.offset_bone_flags > 0x0
  }
  @bone_index_translate_table.table = table
  self
end

#is_bayo2? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bayonetta/wmb.rb', line 1251

def is_bayo2?
  @header.offset_shader_names != 0 || @header.offset_tex_infos != 0
end

#materials_textures ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1122

def materials_textures
  return {} unless @tex_infos
  tex_ids = texture_ids
  @materials.each_with_index.collect { |m, i|
    [i, m.material_data.select { |t| tex_ids.include?(t) }]
  }.to_h
end

#maximize_material_sizes ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1992

def maximize_material_sizes
  raise "Unsupported for Bayonetta 2!" if @shader_names
  max_size_mat = $material_db.select { |k, v| v[:size] }.max_by { |k, v|
    v[:size]
  }
  max_data_number = (max_size_mat[1][:size] - 4)/4
  @materials.each { |m|
    m.material_data = m.material_data + [0]*(max_data_number - m.material_data.size)
  }
  self
end

#merge_meshes(hash) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1819

def merge_meshes(hash)
  hash.each { |k, vs|
    raise "Mesh #{k} was not found in the model!" unless @meshes[k]
    vs = [vs].flatten
    vs.each { |v|
      raise "Mesh #{v} was not found in the model!" unless @meshes[v]
      @meshes[k].batches += @meshes[v].batches
    }
    @meshes[k].header.num_batch = @meshes[k].batches.length
  }
  self
end

#move_meshes(positions) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1801

def move_meshes(positions)
  raise "Invalid positions!" unless positions.size > 0
  positions.each { |k, v|
    raise "Mesh #{k} was not found in the model!" unless @meshes[k]
    raise "Invalid target position #{v}!" unless v >= 0 && v < @meshes.length
  }
  raise "Duplicate mesh found!" unless positions.keys.uniq.size == positions.size
  raise "Duplicate target position found!" unless positions.values.uniq.size == positions.size
  m_p = positions.to_a.sort { |(m1, _), (m2, _)| m2 <=> m1 }
  m_a = m_p.collect { |m, p|
    [@meshes.delete_at(m), p]
  }.sort { |(_, p1), (_, p2)| p1 <=> p2 }
  m_a.each { |m, p|
    @meshes.insert(p, m)
  }
  self
end

#normalize_vertex_usage ⇒ Object

Duplicate vertexes used by several batches



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# File 'lib/bayonetta/wmb.rb', line 2125

def normalize_vertex_usage
  vertex_usage = get_vertex_usage
  vertex_usage.select! { |k, v| v.length > 1 }
  batches = Set::new
  vertex_usage.each { |vi, blist|
    batches.merge blist[1..-1]
  }
  batches.each { |b|
    new_batch = b.duplicate(@positions, @vertexes, @vertexes_ex_data)
    b.header = new_batch.header
    b.indices = new_batch.indices
  }
  @header.num_vertexes = @vertexes.size
  self
end

#normals_to_narrow ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1343

def normals_to_narrow
  @vertexes.each { |v|
    v.normal.wide = false
    v.normal.normal_big_orig = nil
    v.normal.normal_small_orig = nil
  }
  self
end

#normals_to_wide ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1334

def normals_to_wide
  @vertexes.each { |v|
    v.normal.wide = true
    v.normal.normal_big_orig = nil
    v.normal.normal_small_orig = nil
  }
  self
end

#order_bones ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1713

def order_bones
  arr = @bone_index_translate_table.table.sort
  old_local_to_new_local = {}
  arr.each_with_index { |(_, old_local), new_local|
    old_local_to_new_local[old_local] = new_local
  }
  new_local_to_old_local = old_local_to_new_local.invert
  bones = get_bone_structure
  new_bones = bones.size.times.collect { |new_bi|
    b = bones[new_local_to_old_local[new_bi]]
    b.index = new_bi
    b
  }
  new_bones.each { |b|
    raise "Invali hierarchy: #{b.parent.index} >= #{b.index} !" if b.parent && b.parent.index >= b.index
  }
  set_bone_structure(new_bones)
  new_table = @bone_index_translate_table.table.collect { |k, v| [k, old_local_to_new_local[v]] }.to_h
  @bone_index_translate_table.table = new_table
  @meshes.each_with_index { |m, i|
    m.batches.each_with_index { |b, j|
      b.bone_refs.collect! { |bi|
        old_local_to_new_local[bi]
      }
    }
  }
  self
end

#recompute_batch_tangents(batch) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 2310

def recompute_batch_tangents(batch)
  vertex_indices = batch.vertex_indices.uniq
  tangents = vertex_indices.collect { |i| [i, Linalg::Vector::new(0, 0, 0, 0)] }.to_h
  indices = batch.triangles.flatten
  inconsistentuvs = 0
  # https://stackoverflow.com/a/66918075
  indices.each_with_index { |i, l|
    j = indices[(l + 1) % 3 + (l / 3) * 3]
    k = indices[(l + 2) % 3 + (l / 3) * 3]
    n = Linalg::Vector::new(*@vertexes[i].normal.to_a, 0.0)
    pi = Linalg::Vector::new(*@vertexes[i].position.to_a, 0.0)
    mi = Linalg::Vector::new(*@vertexes[i].mapping.to_a, 0.0, 0.0)
    pj = Linalg::Vector::new(*@vertexes[j].position.to_a, 0.0)
    mj = Linalg::Vector::new(*@vertexes[j].mapping.to_a, 0.0, 0.0)
    pk = Linalg::Vector::new(*@vertexes[k].position.to_a, 0.0)
    mk = Linalg::Vector::new(*@vertexes[k].mapping.to_a, 0.0, 0.0)
    v1 = pj - pi
    v2 = pk - pi
    t1 = mj - mi
    t2 = mk - mi
    uv2xArea = t1.x * t2.y - t1.y * t2.x
    next if (uv2xArea.abs < 9.5367431640625e-07)
    flip = uv2xArea > 0.0 ? 1.0 : -1.0
    inconsistentuvs += 1 if (tangents[i].w != 0 && tangents[i].w != flip)
    tangents[i].w = flip
    c = v1.x * n.x + v1.y * n.y + v1.z * n.z
    v1 -= n * (v1.dot(n));
    v2 -= n * (v2.dot(n));
    s = ((v1 * t2.y - v2 * t1.y) * flip).normalize
    ac = v1.dot(v2) / (v1.length * v2.length)
    ac = (ac > 1.0 ? 1.0 : (ac < -1.0 ? -1.0 : ac))
    angle = Math.acos(ac);
    tangents[i] += s*angle
  }
  warn "Found #{inconsistentuvs} inconsistent UVs" if inconsistentuvs > 0
  tangents.each { |i, t|
    t.normalize!
    @vertexes[i].tangents.set(t.x, t.y, t.z, -t.w)
  }
end

#recompute_layout ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 2360

def recompute_layout
  get_vertex_types

  if is_bayo2?
    last_offset = 0xc0
  else
    last_offset = 0x80
  end

  @header.num_vertexes = @vertexes.size if @vertexes

  if @header.offset_positions > 0x0
    last_offset = @header.offset_positions = align(last_offset, 0x20)
    last_offset += @header.num_vertexes * 12
  end

  if @header.offset_vertexes > 0x0
    last_offset = @header.offset_vertexes = align(last_offset, 0x20)
    last_offset += @header.num_vertexes * @vertex_size
  end
  if @header.offset_vertexes_ex_data > 0x0
    last_offset += 0x20 if is_bayo2?
    last_offset = @header.offset_vertexes_ex_data = align(last_offset, 0x20)
    last_offset += @header.num_vertexes * @vertex_ex_size
  end
  if @header.offset_bone_relative_position > 0x0
    last_offset = @header.offset_bone_hierarchy = align(last_offset, 0x20)
    last_offset += @header.num_bones * 2
  end
  if @header.offset_bone_relative_position > 0x0
    last_offset = @header.offset_bone_relative_position = align(last_offset, 0x20)
    last_offset += @header.num_bones * 12
  end
  if @header.offset_bone_position > 0x0
    last_offset = @header.offset_bone_position = align(last_offset, 0x20)
    last_offset += @header.num_bones * 12
  end
  if @header.offset_bone_index_translate_table > 0x0
    last_offset = @header.offset_bone_index_translate_table = align(last_offset, 0x20)
    last_offset += @bone_index_translate_table.__size
  end
  if @header.offset_u_j > 0x0
    last_offset = @header.offset_u_j = align(last_offset, 0x20)
    last_offset += @u_j.__size
  end
  if @header.offset_bone_symmetries > 0x0
    last_offset = @header.offset_bone_symmetries = align(last_offset, 0x20)
    last_offset += @header.num_bones * 2
  end
  if @header.offset_bone_flags > 0x0
    last_offset = @header.offset_bone_flags = align(last_offset, 0x20)
    last_offset += @header.num_bones
  end
  if @header.offset_shader_names > 0x0
    last_offset = @header.offset_shader_names = align(last_offset, 0x20)
    last_offset += @header.num_materials * 16
  end
  if @header.offset_tex_infos > 0x0
    last_offset = @header.offset_tex_infos = align(last_offset, 0x20)
    last_offset += 4 + @tex_infos.num_tex_infos * 8
  end

  last_offset = @header.offset_materials_offsets = align(last_offset, 0x20)
  off = 0
  @materials_offsets = []
  @header.num_materials.times { |i|
    @materials_offsets.push off
    off += @materials[i].__size
    off =  align(off, 0x4)
  }

  last_offset += 4*@header.num_materials
  last_offset = @header.offset_materials = align(last_offset, 0x20)

  last_offset +=  @materials.collect(&:__size).reduce(&:+)
  # Pad last material with zeros
  pad_count = (align(last_offset, 0x20) - last_offset)/4
  @materials.last.material_data += [0]*pad_count
  last_offset = @header.offset_meshes_offsets = align(last_offset, 0x20)

  off = 0
  @meshes_offsets = []
  @header.num_meshes.times { |i|
    @meshes[i].recompute_layout
    @meshes_offsets.push off
    off += @meshes[i].__size
    off = align(off, 0x20)
  }

  last_offset += 4*@header.num_meshes
  last_offset = @header.offset_meshes = align(last_offset, 0x20)
end

#recompute_relative_positions ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1370

def recompute_relative_positions
  @bone_hierarchy.each_with_index { |b, i|
    if b != -1
      #puts "bone: #{i} parent: #{b} position: #{@bone_positions[i]} pposition: #{@bone_positions[b]}"
      @bone_relative_positions[i] = @bone_positions[i] - @bone_positions[b]
    else
      @bone_relative_positions[i] = @bone_positions[i]
    end
  }
  self
end

#recompute_tangents(mesh_list) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 2351

def recompute_tangents(mesh_list)
  raise "Vertex don't have tangents information!" unless @vertexes[0].respond_to?(:tangents)
  mesh_list.each { |i|
    @meshes[i].batches.each { |b|
      recompute_batch_tangents(b)
    }
  }
end

#remap_bones(bone_map) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1690

def remap_bones(bone_map)
  raise "Global index specified multiple times!" unless bone_map.values.uniq.size == bone_map.size
  local_to_global = @bone_index_translate_table.table.invert
  unknown_bones = bone_map.keys - local_to_global.keys
  raise "Unknown bones: #{unknown_bones}!" unless unknown_bones.size == 0
  global_tt = {}
  bone_map.each { |k, v|
    global_tt[local_to_global.delete(k)] = v
  }
  puts global_tt
  table = local_to_global.invert
  new_global_indexes = bone_map.values - table.keys
  raise "Global indexes: #{bone_map.values - new_global_indexes} still in use!" unless new_global_indexes.size == bone_map.size
  bone_map.each { |k, v|
    table[v] = k
  }
  @bone_symmetries.collect! { |k|
    global_tt[k] ? global_tt[k] : k
  } if @bone_symmetries
  @bone_index_translate_table.table = table
  self
end

#remove_batch_vertex_offsets ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 2262

def remove_batch_vertex_offsets
  @meshes.each { |m|
    m.batches.each { |b|
      b.indices = b.vertex_indices
      b.recompute_from_absolute_indices
    }
  }
  self
end

#remove_duplicate_vertexes ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 2141

def remove_duplicate_vertexes
  vertex_indices = @header.num_vertexes.times
  equivalent_vertex_indices = vertex_indices.group_by { |indx|
    data = get_vertex_fields.collect { |f|
      get_vertex_field(f, indx).to_a
    }
  }
  indx_map = {}
  equivalent_vertex_indices.each { |k, group|
    group.each { |indx|
      indx_map[indx] = group.first
    }
  }
  @meshes.each { |m|
    m.batches.each { |b|
      b.indices = b.vertex_indices.collect { |i|
        indx_map[i]
      }
      b.recompute_from_absolute_indices
    }
  }
end

#remove_triangle_strips ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 2070

def remove_triangle_strips
  @meshes.each { |m|
    m.batches.each { |b|
      b.set_triangles(b.triangles)
    }
  }
end

#renumber_batches ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 2252

def renumber_batches
  @meshes.each_with_index { |m, i|
    m.header.id = i
    m.batches.each { |b|
      b.header.mesh_id = i
    }
  }
  self
end

#reverse_tangents_byte_order(mesh_list) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 2296

def reverse_tangents_byte_order(mesh_list)
  raise "Vertex don't have tangents information!" unless @vertexes[0].respond_to?(:tangents)
  vertex_indices = []
  mesh_list.each { |i|
    @meshes[i].batches.each { |b|
      vertex_indices += b.vertex_indices
    }
  }
  vertex_indices.uniq!
  vertex_indices.each { |i|
    @vertexes[i].tangents.data = [@vertexes[i].tangents.data].pack("L<").unpack("L>").first
  }
end

#revert_triangles(mesh_list) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 2078

def revert_triangles( mesh_list )
  mesh_list.each { |mesh_index|
    @meshes[mesh_index].batches.each { |b|
      b.set_triangles( b.triangles.collect { |n1, n2, n3|
        [n1, n3, n2]
      })
    }
  }
end

#rotate(*args) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1489

def rotate(*args)
  if args.length == 2
    (rx, ry, rz), center = args
  elsif args.length == 3
    rx, ry, rz = args
    center = nil
  else
    raise "Invalid arguments for rotate: #{args.inspect}!"
  end
  m = Linalg::get_rotation_matrix(rx, ry, rz, center: center)
  if @positions
    @positions.each { |p|
      r = m * Linalg::Vector::new(p.x, p.y, p.z)
      p.x = r.x
      p.y = r.y
      p.z = r.z
    }
  end
  if @vertexes && @vertexes.first.respond_to?(:position)
    @vertexes.each { |v|
      r = m * Linalg::Vector::new(v.position.x, v.position.y, v.position.z)
      v.position.x = r.x
      v.position.y = r.y
      v.position.z = r.z
    }
  end
  if @vertexes && @vertexes.first.respond_to?(:position2)
    @vertexes.each { |v|
      r = m * Linalg::Vector::new(v.position2.x, v.position2.y, v.position2.z)
      v.position2.x = r.x
      v.position2.y = r.y
      v.position2.z = r.z
    }
  end
  if @vertexes_ex_data && @vertexes_ex_data.first.respond_to?(:position2)
    @vertexes_ex_data.each { |v|
      r = m * Linalg::Vector::new(v.position2.x, v.position2.y, v.position2.z)
      v.position2.x = r.x
      v.position2.y = r.y
      v.position2.z = r.z
    }
  end
  if @bone_positions
    @bone_positions.each { |p|
      r = m * Linalg::Vector::new(p.x, p.y, p.z)
      p.x = r.x
      p.y = r.y
      p.z = r.z
    }
    recompute_relative_positions
  end
  if @vertexes
    @vertexes.each { |v|
      r = m * Linalg::Vector::new(v.normal.x, v.normal.y, v.normal.z, 0.0)
      v.normal.x = r.x
      v.normal.y = r.y
      v.normal.z = r.z
      if v.tangents.data != 0xc0c0c0ff
        r = m * Linalg::Vector::new(v.tangents.x, v.tangents.y, v.tangents.z, 0.0)
        v.tangents.x = r.x
        v.tangents.y = r.y
        v.tangents.z = r.z
      end
    }
  end
  self
end

#scale(s) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1409

def scale(s)
  if @positions
    @positions.each { |p|
      p.x = p.x * s
      p.y = p.y * s
      p.z = p.z * s
    }
  end
  if @vertexes && @vertexes.first.respond_to?(:position)
    @vertexes.each { |v|
      v.position.x = v.position.x * s
      v.position.y = v.position.y * s
      v.position.z = v.position.z * s
    }
  end
  if @vertexes && @vertexes.first.respond_to?(:position2)
    @vertexes.each { |v|
      v.position2.x = v.position2.x * s
      v.position2.y = v.position2.y * s
      v.position2.z = v.position2.z * s
    }
  end
  if @vertexes_ex_data && @vertexes_ex_data.first.respond_to?(:position2)
    @vertexes_ex_data.each { |v|
      v.position2.x = v.position2.x * s
      v.position2.y = v.position2.y * s
      v.position2.z = v.position2.z * s
    }
  end
  if @bone_positions
    @bone_positions.each { |p|
      p.x = p.x * s
      p.y = p.y * s
      p.z = p.z * s
    }
    recompute_relative_positions
  end
  self
end

#set_bone_structure(bones) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1382

def set_bone_structure(bones)
  @bone_hierarchy = []
  @bone_relative_positions = []
  @bone_positions = []
  @bone_symmetries = [] if @header.offset_bone_symmetries > 0x0
  @bone_flags = [] if @header.offset_bone_flags > 0x0
  bones.each { |b|
    p_index = -1
    p_index = b.parent.index if b.parent
    @bone_hierarchy.push p_index
    @bone_positions.push b.position
    rel_position = b.relative_position
    unless rel_position
      if b.parent
        rel_position = b.position - b.parent.position
      else
        rel_position = b.position
      end
    end
    @bone_relative_positions.push rel_position
    @bone_symmetries.push b.symmetric if @header.offset_bone_symmetries > 0x0
    @bone_flags.push b.flag if @header.offset_bone_flags > 0x0
  }
  @header.num_bones = bones.size
  self
end

#set_pose(pose, exp) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1557

def set_pose(pose, exp)
  table = @bone_index_translate_table.table
  bones = get_bone_structure
  tracks = Hash::new { |h,k| h[k] = {} }
  tracks = bones.collect { |b|
    [ b.relative_position.x,
      b.relative_position.y,
      b.relative_position.z,
      0.0, 0.0, 0.0,
      0.0,
      1.0, 1.0, 1.0,
      1.0, 1.0, 1.0 ]
  }
  pose.each { |b, ts|
    bi = table[b]
    if bi
      ts.each { |ti, v|
        tracks[bi][ti] = v
      }
    end
  }
  if exp
    exp.apply(tracks, table)
  end
  matrices = tracks.each_with_index.collect { |ts, bi|
    if @header.offset_bone_flags > 0x0
      order = @bone_flags[bi]
    else
      order = nil
    end
    m = Linalg::get_translation_matrix(*ts[0..2])
    pi = @bone_hierarchy[bi]
    if pi != -1
      parent_cumulative_scale = tracks[pi][10..12]
      m = m * Linalg::get_inverse_scaling_matrix(*parent_cumulative_scale)
      3.times { |i| ts[10+i] *= parent_cumulative_scale[i] }
    end
    3.times { |i|  ts[10+i] *= ts[7+i] }
    m = m * Linalg::get_rotation_matrix(*ts[3..5], order: order)
    m = m * Linalg::get_scaling_matrix(*ts[10..12])
  }
  multiplied_matrices = []
  inverse_bind_pose = bones.collect { |b|
    Linalg::get_translation_matrix(-1 * b.position.x, -1 * b.position.y, -1 * b.position.z)
  }
  bones.each { |b|
    if b.parent
      multiplied_matrices[b.index] = multiplied_matrices[b.parent.index] * matrices[b.index]
    else
      multiplied_matrices[b.index] = matrices[b.index]
    end
  }
  bones.each { |b|
    v = multiplied_matrices[b.index] * Linalg::Vector::new( 0.0, 0.0, 0.0 )
    b.position.x = v.x
    b.position.y = v.y
    b.position.z = v.z
    b.relative_position = nil
  }
  set_bone_structure(bones)
  multiplied_matrices = bones.collect { |b|
    multiplied_matrices[b.index] * inverse_bind_pose[b.index]
  }
  vertex_usage = get_vertex_usage
  vertex_usage.each { |vi, bs|
    bone_refs = bs.first.bone_refs
    bone_infos = get_vertex_field(:bone_infos, vi)
    indexes_and_weights = bone_infos.get_indexes_and_weights
    vertex_matrix = Linalg::get_zero_matrix
    indexes_and_weights.each { |bi, bw|
      i = bone_refs[bi]
      vertex_matrix = vertex_matrix + multiplied_matrices[i] * (bw.to_f/255.to_f)
    }
    normal_matrix = vertex_matrix.inverse.transpose
    vp = get_vertex_field(:position, vi)
    new_vp = vertex_matrix * Linalg::Vector::new(vp.x, vp.y, vp.z)
    vp.x = new_vp.x
    vp.y = new_vp.y
    vp.z = new_vp.z
    n = get_vertex_field(:normal, vi)
    new_n = (normal_matrix * Linalg::Vector::new(n.x, n.y, n.z, 0.0)).normalize
    n.x = new_n.x
    n.y = new_n.y
    n.z = new_n.z
    t = get_vertex_field(:tangents, vi)
    new_t = (normal_matrix * Linalg::Vector::new(t.x, t.y, t.z, 0.0)).normalize
    t.x = new_t.x
    t.y = new_t.y
    t.z = new_t.z
    p2 = get_vertex_field(:position2, vi)
    if p2
      new_p2 = vertex_matrix * Linalg::Vector::new(p2.x, p2.y, p2.z)
      p2.x = new_p2.x
      p2.y = new_p2.y
      p2.z = new_p2.z
    end
  }
  self
end

#set_vertex_field(field, vi, val) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1187

def set_vertex_field(field, vi, val)
  if @vertexes[vi].respond_to?(field)
    return @vertexes[vi].send(:"#{field}=", val)
  elsif @vertexes_ex_data && @vertexes_ex_data[vi].respond_to?(field)
    return @vertexes_ex_data[vi].send(:"#{field}=", val)
  elsif field == :position && @positions
    return @positions[vi] = val
  else
    raise "Couldn't find field: #{field}!"
  end
end

#shift(x, y, z) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1449

def shift(x, y, z)
  if @positions
    @positions.each { |p|
      p.x = p.x + x
      p.y = p.y + y
      p.z = p.z + z
    }
  end
  if @vertexes && @vertexes.first.respond_to?(:position)
    @vertexes.each { |v|
      v.position.x = v.position.x + x
      v.position.y = v.position.y + y
      v.position.z = v.position.z + z
    }
  end
  if @vertexes && @vertexes.first.respond_to?(:position2)
    @vertexes.each { |v|
      v.position2.x = v.position2.x + x
      v.position2.y = v.position2.y + y
      v.position2.z = v.position2.z + z
    }
  end
  if @vertexes_ex_data && @vertexes_ex_data.first.respond_to?(:position2)
    @vertexes_ex_data.each { |v|
      v.position2.x = v.position2.x + x
      v.position2.y = v.position2.y + y
      v.position2.z = v.position2.z + z
    }
  end
  if @bone_positions
    @bone_positions.each { |p|
      p.x = p.x + x
      p.y = p.y + y
      p.z = p.z + z
    }
    recompute_relative_positions
  end
  self
end

#split_meshes(list) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1751

def split_meshes(list)
  kept_meshes = @meshes.size.times.to_a - list
  split_meshes = @meshes.size.times.to_a - kept_meshes
  new_meshes = []
  split_meshes.each { |i|
    @meshes[i].batches.each_with_index { |b, j|
      new_mesh = @meshes[i].dup
      new_mesh.header = @meshes[i].header.dup
      new_mesh.header.name = @meshes[i].header.name.tr("\x00","") + ("_%02d" % j)
      new_mesh.batches = [b]
      new_meshes.push new_mesh
    }
  }
  @meshes = kept_meshes.collect { |i|
    @meshes[i]
  }
  @meshes += new_meshes
  @header.num_meshes = @meshes.size
  self
end

#swap_meshes(hash) ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1790

def swap_meshes(hash)
  hash.each { |k, v|
    raise "Mesh #{k} was not found in the model!" unless @meshes[k]
    raise "Mesh #{v} was not found in the model!" unless @meshes[v]
    tmp = @meshes[k]
    @meshes[k] =  @meshes[v]
    @meshes[v] = tmp
  }
  self
end

#texture_ids ⇒ Object 



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# File 'lib/bayonetta/wmb.rb', line 1117

def texture_ids
  return [] unless @tex_infos
  @tex_infos.tex_infos.collect { |i| i.id }
end

#was_big? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bayonetta/wmb.rb', line 1247

def was_big?
  @__was_big
end