Class: Bayonetta::WMB3File

Inherits:
LibBin::Structure
  • Object
show all
Includes:
Alignment
Defined in:
lib/bayonetta/wmb3.rb

Defined Under Namespace

Classes: Batch, Bone, BoneSet, ColTreeNode, Header, InfoPair, Lod, Material, Mesh, MeshMaterialPair, Unknown1, VertexGroup

Constant Summary collapse

VERTEX_TYPES = 
{}

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.load(input_name) ⇒ Object 



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# File 'lib/bayonetta/wmb3.rb', line 722

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

Instance Method Details

#cleanup_vertexes ⇒ Object 



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# File 'lib/bayonetta/wmb3.rb', line 301

def cleanup_vertexes
  vertex_usage, index_usage = get_vertex_index_usage
  @vertex_groups.each_with_index { |vertex_group, vertex_group_index|
    new_vertex_map = vertex_usage[vertex_group_index].uniq.sort.each_with_index.to_h
    vertex_group.vertexes = new_vertex_map.keys.collect { |i|
      vertex_group.vertexes[i]
    }
    vertex_group.vertexes_ex_data = new_vertex_map.keys.collect { |i|
      vertex_group.vertexes_ex_data[i]
    }
    vertex_group.header.num_vertexes = vertex_group.vertexes.size

    new_index_map = index_usage[vertex_group_index].uniq.sort.each_with_index.to_h
    vertex_group.indices = new_index_map.keys.collect { |i|
      new_vertex_map[vertex_group.indices[i]]
    }
    vertex_group.header.num_indices = vertex_group.indices.size
    @batches.select { |batch| batch.vertex_group_index == vertex_group_index }.each { |batch|
      batch.vertex_start = new_vertex_map[batch.vertex_start]
      batch.index_start = new_index_map[batch.index_start]
      if batch.vertex_start != 0
        ((batch.index_start)...(batch.index_start + batch.num_indices)).each { |i|
          vertex_group.indices[i] = vertex_group.indices[i] - batch.vertex_start
        }
      end
    }
  }
end

#delete_batches(batch_list) ⇒ Object 



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# File 'lib/bayonetta/wmb3.rb', line 395

def delete_batches(batch_list)
  if @lods && @batches
    batch_indexes = @header.info_batches.number.times.to_a
    batch_indexes -= batch_list
    batch_index_map = batch_indexes.each_with_index.to_h
    @batches = batch_indexes.collect { |index|
      @batches[index]
    }
    @header.info_batches.number = @batches.size
    @lods.each { |lod|
      if lod.batch_infos
        new_batch_infos = []
        lod.batch_infos.each_with_index { |batch_info, index|
          unless batch_list.include?(lod.header.batch_start + index)
            new_batch_infos.push batch_info
          end
          lod.batch_infos = new_batch_infos
          lod.header.num_batch_infos = lod.batch_infos.size
        }
      end
    }
    @lods.each { |lod|
      if lod.batch_infos
        lod.header.batch_start = batch_index_map[lod.header.batch_start]
      end
    }
  end
end

#delete_meshes(list) ⇒ Object 



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# File 'lib/bayonetta/wmb3.rb', line 343

def delete_meshes(list)
  kept_meshes = @meshes.size.times.to_a - list
  new_mesh_map = kept_meshes.each_with_index.to_h
  if @meshes
    @meshes = kept_meshes.collect { |i|
      @meshes[i]
    }
    @header.info_meshes.number = @meshes.size
  end
  if @mesh_material_pairs
    @mesh_material_pairs = @mesh_material_pairs.select { |pair|
      ! list.include?(pair.mesh_index)
    }
    @header.info_mesh_material_pairs.number = @mesh_material_pairs.size
    @mesh_material_pairs.each { |pair|
      pair.mesh_index = new_mesh_map[pair.mesh_index]
    }
  end
  if @lods && @batches
    batch_indexes = @header.info_batches.number.times.to_a
    filtered_batches = Set::new
    @lods.each { |lod|
      if lod.batch_infos
        lod.batch_infos.each_with_index { |batch_info, index|
          if list.include?(batch_info.mesh_index)
            filtered_batches.add( index + lod.header.batch_start )
          end
        }
        lod.batch_infos = lod.batch_infos.select { |batch_info|
          ! list.include?(batch_info.mesh_index)
        }
        lod.header.num_batch_infos = lod.batch_infos.size
        lod.batch_infos.each { |batch_info|
          batch_info.mesh_index = new_mesh_map[batch_info.mesh_index]
        }
      end
    }
    batch_indexes -= filtered_batches.to_a
    batch_index_map = batch_indexes.each_with_index.to_h
    @batches = batch_indexes.collect { |index|
      @batches[index]
    }
    @header.info_batches.number = @batches.size
    @lods.each { |lod|
      if lod.batch_infos
        lod.header.batch_start = batch_index_map[lod.header.batch_start]
      end
    }
  end
  self
end

#dump(output_name, output_big = false) ⇒ Object 



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# File 'lib/bayonetta/wmb3.rb', line 737

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")#File.open(output_name, "wb")
  end
  output.rewind

  __set_dump_state(output, output_big, nil, nil)
  __dump_fields
  __unset_dump_state


  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/wmb3.rb', line 629

def dump_bones(list = nil)
  bone_struct = Struct::new(:index, :parent, :relative_position, :position, :global_index, :symmetric, :flag)
  list = (0...@header.num_bones) unless list
  list.collect { |bi|
    bone_struct::new(bi, @bones[bi].parent_index, @bones[bi].local_position, @bones[bi].position,
                     @bones[bi].id, -1, 5)
  }
end

#get_vertex_field(field, vg, vi) ⇒ Object 



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# File 'lib/bayonetta/wmb3.rb', line 597

def get_vertex_field(field, vg, vi)
  @vertex_groups[vg].get_vertex_field(field, vi)
end

#get_vertex_index_usage ⇒ Object 



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# File 'lib/bayonetta/wmb3.rb', line 330

def get_vertex_index_usage
  vertex_usage = Hash::new { |h, k| h[k] = [] }
  index_usage = Hash::new { |h, k| h[k] = [] }
  @batches.each { |batch|
    index_range = (batch.index_start)...(batch.index_start + batch.num_indices)
    index_usage[batch.vertex_group_index] += index_range.to_a
    vertex_usage[batch.vertex_group_index] += @vertex_groups[batch.vertex_group_index].indices[index_range].collect { |vertex|
      vertex + batch.vertex_start
    }
  }
  return [vertex_usage, index_usage]
end

#get_vertex_usage ⇒ Object 



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# File 'lib/bayonetta/wmb3.rb', line 638

def get_vertex_usage
  vertex_usage = Hash::new { |h, k| h[k] = [] }
  @batches.each { |b|
    @vertex_groups[b.vertex_group_index].indices[b.index_start...(b.index_start+b.num_indices)].each { |i|
      vertex_usage[[b.vertex_group_index, i]].push( b )
    }
  }
  vertex_usage.each { |k,v| v.uniq! }
  vertex_usage
end

#materials_textures ⇒ Object 



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# File 'lib/bayonetta/wmb3.rb', line 295

def materials_textures
  mat_tex = @materials.collect { |m|
    [m.name, m.textures.collect { |t| [t.texture_id, t.name] }]
  }.to_h
end

#recompute_layout ⇒ Object 



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# File 'lib/bayonetta/wmb3.rb', line 424

def recompute_layout
  last_offset = 0x88

  if @header.info_bones.number > 0
    last_offset = @header.info_bones.offset = align(last_offset, 0x10)
    last_offset += @bones.first.__size * @header.info_bones.number
  else
    @header.info_bones.offset = 0x0
  end

  if @header.info_bones.number > 0
    last_offset = @header.info_bone_index_translate_table.offset = align(last_offset, 0x10)
    last_offset += @bone_index_translate_table.__size
  else
    @header.info_bone_index_translate_table.offset = 0x0
  end

  if @header.info_vertex_groups.number > 0
    last_offset = @header.info_vertex_groups.offset = align(last_offset, 0x4)
    last_offset += @vertex_groups.first.header.__size * @header.info_vertex_groups.number
    @vertex_groups.each { |vg|
      if vg.header.num_vertexes > 0
        last_offset = vg.header.offset_vertexes = align(last_offset, 0x10)
        last_offset += vg.header.vertex_size * vg.header.num_vertexes
        if vg.header.vertex_ex_data_size > 0
          last_offset = vg.header.offset_vertexes_ex_data = align(last_offset, 0x10)
          last_offset += vg.header.vertex_ex_data_size * vg.header.num_vertexes
        end
      end
      if vg.header.num_indices > 0
        last_offset = vg.header.offset_indices = align(last_offset, 0x10)
        last_offset += (@header.flags & 0x8 > 0 ? 4 : 2) * vg.header.num_indices
      end
    }
  else
    @header.info_vertex_groups.offset = 0x0
  end

  if @header.info_batches.number > 0
    last_offset = @header.info_batches.offset = align(last_offset, 0x4)
    last_offset += @batches.first.__size * @header.info_batches.number
  else
    @header.info_batches.offset = 0x0
  end

  if @header.info_lods.number > 0
    last_offset = @header.info_lods.offset = align(last_offset, 0x4)
    last_offset += @lods.first.header.__size * @header.info_lods.number
    @lods.each { |lod|
      if lod.header.num_batch_infos > 0
        lod.header.offset_batch_infos = last_offset
        last_offset += lod.batch_infos.first.__size * lod.header.num_batch_infos
      end
      lod.header.offset_name = last_offset
      last_offset += lod.name.size
    }
  else
    @header.info_lods.offset = 0x0
  end

  if @header.info_mesh_material_pairs.number > 0
    last_offset = @header.info_mesh_material_pairs.offset = align(last_offset, 0x10)
    last_offset += @mesh_material_pairs.first.__size * @header.info_mesh_material_pairs.number
  else
    @header.info_mesh_material_pairs.offset = 0x0
  end

  if @header.info_col_tree_nodes.number > 0
    last_offset = @header.info_col_tree_nodes.offset = align(last_offset, 0x10)
    last_offset += @col_tree_nodes.first.__size * @header.info_col_tree_nodes.number
  else
    @header.info_col_tree_nodes.offset = 0x0
  end

  if @header.info_bone_sets.number > 0
    last_offset = @header.info_bone_sets.offset = align(last_offset, 0x10)
    last_offset += 0x8 * @header.info_bone_sets.number
    @bone_sets.each { |bone_set|
      last_offset = bone_set.offset_bone_indices = align(last_offset, 0x10)
      last_offset += 0x2 * bone_set.num_bone_indices
    }
  else
    @header.info_bone_sets.offset = 0x0
  end

  if @header.info_bone_map.number > 0
    last_offset = @header.info_bone_map.offset = align(last_offset, 0x10)
    last_offset += 0x4 * @header.info_bone_map.number
  else
    @header.info_bone_map.offset = 0x0
  end

  if @header.info_meshes.number > 0
    last_offset = @header.info_meshes.offset = align(last_offset, 0x4)
    last_offset += @meshes.first.header.__size * @header.info_meshes.number
    @meshes.each { |mesh|
      mesh.header.offset_name = last_offset
      last_offset += mesh.name.size
      if mesh.header.num_materials > 0
        mesh.header.offset_materials = last_offset
        last_offset += 0x2 * mesh.header.num_materials
      else
        mesh.header.offset_materials = 0x0
      end
      if mesh.header.num_bones_indices > 0
        mesh.header.offset_bones_indices = last_offset
        last_offset += 0x2 * mesh.header.num_bones_indices
      else
        mesh.header.offset_bones_indices = 0x0
      end
    }
  else
    @header.info_meshes.offset = 0x0
  end

  if @header.info_materials.number > 0
    last_offset = @header.info_materials.offset = align(last_offset, 0x10)
    last_offset += @materials.first.header.__size * @header.info_materials.number
    @materials.each { |material|
      material.header.offset_name = last_offset
      last_offset += material.name.size
      material.header.offset_shader_name = last_offset
      last_offset += material.shader_name.size
      material.header.offset_technique_name = last_offset
      last_offset += material.technique_name.size
      if material.header.num_textures > 0
        material.header.offset_textures = last_offset
        last_offset += 0x8 * material.header.num_textures
        material.textures.each { |texture|
          texture.offset_name = last_offset
          last_offset += texture.name.size
        }
      else
        material.header.offset_textures = 0x0
      end
      if material.header.num_parameters_groups > 0
        last_offset = material.header.offset_parameters_groups = align(last_offset, 0x10)
        last_offset += 0xC * material.header.num_parameters_groups
        material.parameters_groups.each { |parameter_group|
          last_offset = parameter_group.offset_parameters = align(last_offset, 0x10)
          last_offset += 0x4 * parameter_group.num_parameters
        }
      else
        material.header.offset_parameters_group = 0x0
      end
      if material.header.num_variables > 0
        last_offset = material.header.offset_variables = align(last_offset, 0x10)
        last_offset += 0x8 * material.header.num_variables
        material.variables.each { |variable|
          variable.offset_name = last_offset
          last_offset += variable.name.size
        }
      else
        material.header.offset_variables = 0x0
      end
    }
  else
    @header.info_materials.offset = 0x0
  end

  if @header.info_unknown1.number > 0
    last_offset = @header.info_unknown1.offset = align(last_offset, 0x4)
    last_offset += @unknown1.first.__size * @header.info_unknown1.number
  else
    @header.info_unknown1.offset = 0x0
  end

end

#recompute_relative_positions ⇒ Object 



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# File 'lib/bayonetta/wmb3.rb', line 649

def recompute_relative_positions
  @bones.each { |b|
    if b.parent_index != -1
      b.local_position = b.position - @bones[b.parent_index].position
    else
      b.local_position = b.position
    end
  }
  self
end

#scale(s) ⇒ Object 



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# File 'lib/bayonetta/wmb3.rb', line 605

def scale(s)
  @vertex_groups.each { |vg|
    if vg.vertexes && vg.vertexes.first.respond_to?(:position)
      vg.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
  }
  @bones.each { |b|
    b.position.x = b.position.x * s
    b.position.y = b.position.y * s
    b.position.z = b.position.z * s
    b.local_position.x = b.local_position.x * s
    b.local_position.y = b.local_position.y * s
    b.local_position.z = b.local_position.z * s
    b.t_position.x = b.t_position.x * s
    b.t_position.y = b.t_position.y * s
    b.t_position.z = b.t_position.z * s
  }
  self
end

#set_tpose ⇒ Object 



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# File 'lib/bayonetta/wmb3.rb', line 660

def set_tpose
  neutral_scale = Linalg::Vector::new(1.0, 1.0, 1.0)
  inverse_bind_pose = @bones.collect { |b|
    parent_scale = neutral_scale
    parent_scale = @bones[b.parent_index].scale if b.parent_index != -1
    Linalg::get_inverse_transformation_matrix(b.position, b.rotation, b.scale, parent_scale)
  }
  target_pose = @bones.collect { |b|
    Linalg::get_translation_matrix(b.t_position)
  }
  bones.each { |b|
    b.position = b.t_position
    b.rotation.x = 0.0
    b.rotation.y = 0.0
    b.rotation.z = 0.0
    b.scale.x = 1.0
    b.scale.y = 1.0
    b.scale.z = 1.0
    b.local_rotation.x = 0.0
    b.local_rotation.y = 0.0
    b.local_rotation.z = 0.0
    b.local_scale.x = 1.0
    b.local_scale.y = 1.0
    b.local_scale.z = 1.0
  }
  multiplied_matrices = target_pose.each_with_index.collect { |m, i|
    m * inverse_bind_pose[i]
  }
  vertex_usage = get_vertex_usage
  vertex_usage.each { |(vgi, vi), bs|
    if bs.first.bone_set_index >= 0
      bone_set = bone_sets[bs.first.bone_set_index].bone_indices
      bone_refs = bone_set.collect { |bi| @bone_map[bi] }
    else
      bone_refs = @bone_map
    end
    bone_infos = get_vertex_field(:bone_infos, vgi, 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)
    }
    vp = get_vertex_field(:position, vgi, 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, vgi, vi)
    new_n = vertex_matrix * Linalg::Vector::new(n.x, n.y, n.z, 0.0)
    n.x = new_n.x
    n.y = new_n.y
    n.z = new_n.z
    t = get_vertex_field(:tangents, vgi, vi)
    new_t = vertex_matrix * Linalg::Vector::new(t.x, t.y, t.z, 0.0)
    t.x = new_t.x
    t.y = new_t.y
    t.z = new_t.z
  }
  self
end

#set_vertex_field(field, vg, vi, val) ⇒ Object 



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# File 'lib/bayonetta/wmb3.rb', line 601

def set_vertex_field(field, vg, vi, val)
  @vertex_groups[vg].set_vertex_field(field, vi, val)
end

#texture_ids ⇒ Object 



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# File 'lib/bayonetta/wmb3.rb', line 288

def texture_ids
  ids = @materials.collect { |m|
    m.textures.collect { |t| t.texture_id }
  }
  ids.flatten.uniq
end

#was_big? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bayonetta/wmb3.rb', line 593

def was_big?
  @__was_big
end