def execute(dirpath, root_object, armature_object, skeleton_filepath, mesh_objects, model_locators,
used_parts, used_materials, used_bones, used_terrain_points):
"""Executes export of PIM file for given data.
:param dirpath: directory path for PIM file
:type dirpath: str
:param root_object: Blender SCS Root empty object
:type root_object: bpy.types.Object
:param armature_object: Blender Aramture object belonging to this SCS game object
:type armature_object: bpy.types.Object
:param skeleton_filepath: relative file path of PIS file
:type skeleton_filepath: str
:param mesh_objects: all the meshes which should be exported for current game object
:type mesh_objects: list of bpy.types.Object
:param model_locators: all Blender empty objecs which represents model locators and should be exported for current game object
:type model_locators: list of bpy.types.Object
:param used_parts: parts transitional structure for storing used parts inside this PIM export
:type used_parts: io_scs_tools.exp.transition_structs.parts.PartsTrans
:param used_materials: materials transitional structure for storing used materials inside this PIM export
:type used_materials: io_scs_tools.exp.transition_structs.materials.MaterialsTrans
:param used_bones: bones transitional structure for storing used bones inside this PIM export
:type used_bones: io_scs_tools.exp.transition_structs.bones.BonesTrans
:param used_terrain_points: terrain points transitional structure for storing used terrain points
:type used_terrain_points: io_scs_tools.exp.transition_structs.terrain_points.TerrainPntsTrans
:return: True if export was successfull; False otherwise
:rtype: bool
"""
print("\n************************************")
print("** SCS PIM Exporter **")
print("** (c)2015 SCS Software **")
print("************************************\n")
scs_globals = _get_scs_globals()
if scs_globals.output_type == "5":
format_version = 5
format_type = ""
else:
format_version = 1
format_type = "def"
is_skin_used = (armature_object and root_object.scs_props.scs_root_animated == "anim")
pim_header = Header(format_type, format_version, root_object.name)
pim_global = Globall(skeleton_filepath)
pim_materials = collections.OrderedDict() # dict of Material class instances representing used materials
""":type: dict[str, Material]"""
pim_pieces = [] # list of Piece class instances representing mesh pieces
""":type: list[Piece]"""
pim_parts = {} # list of Part class instances representing used parts
""":type: dict[str, Part]"""
pim_locators = [] # list of Locator class instances representing model locators
""":type: list[Locator]"""
objects_with_default_material = {} # stores object names which has no material set
missing_mappings_data = {} # indicates if material doesn't have set any uv layer for export
bones = skin = skin_stream = None
if is_skin_used:
# create bones data section
bones = Bones()
for bone in armature_object.data.bones:
bones.add_bone(bone.name)
used_bones.add(bone.name)
# create skin data section
skin_stream = SkinStream(SkinStream.Types.POSITION)
skin = Skin(skin_stream)
# create mesh object data sections
for mesh_obj in mesh_objects:
vert_groups = mesh_obj.vertex_groups
mesh_pieces = collections.OrderedDict()
# calculate faces flip state from all ancestors of current object
scale_sign = 1
parent = mesh_obj
while parent and parent.scs_props.empty_object_type != "SCS_Root":
for scale_axis in parent.scale:
scale_sign *= scale_axis
parent = parent.parent
face_flip = scale_sign < 0
# calculate transformation matrix for current object (root object transforms are always subtracted!)
mesh_transf_mat = root_object.matrix_world.inverted() * mesh_obj.matrix_world
# calculate transformation matrices for this object
pos_transf_mat = (Matrix.Scale(scs_globals.export_scale, 4) *
_scs_to_blend_matrix().inverted())
nor_transf_mat = _scs_to_blend_matrix().inverted()
# get initial mesh and vertex groups for it
mesh = _object_utils.get_mesh(mesh_obj)
_mesh_utils.bm_prepare_mesh_for_export(mesh, mesh_transf_mat, face_flip)
mesh.calc_normals_split()
missing_uv_layers = {} # stores missing uvs specified by materials of this object
missing_vcolor = False # indicates if object is missing vertex color layer
missing_vcolor_a = False # indicates if object is missing vertex color alpha layer
for poly in mesh.polygons:
mat_index = poly.material_index
# check material existence and decide what material name and effect has to be used
if mat_index >= len(mesh_obj.material_slots) or mesh_obj.material_slots[mat_index].material is None: # no material or invalid index
material = None
pim_mat_name = "_not_existing_material_"
pim_mat_effect = "eut2.dif"
objects_with_default_material[mesh_obj.name] = 1
else:
material = mesh_obj.material_slots[mat_index].material
pim_mat_name = material.name
pim_mat_effect = material.scs_props.mat_effect_name
# create new pim material if material with that name doesn't yet exists
if pim_mat_name not in pim_materials:
pim_material = Material(len(pim_materials), pim_mat_name, pim_mat_effect, material)
pim_materials[pim_mat_name] = pim_material
used_materials.add(pim_mat_name, material)
# create new piece if piece with this material doesn't exists yet -> split to pieces by material
if pim_mat_name not in mesh_pieces:
mesh_pieces[pim_mat_name] = Piece(len(pim_pieces) + len(mesh_pieces), pim_materials[pim_mat_name])
nmap_uv_layer = pim_materials[pim_mat_name].get_nmap_uv_name()
if nmap_uv_layer: # if there is uv layer used for normal maps then calculate tangents on it
mesh.calc_tangents(uvmap=nmap_uv_layer)
mesh_piece = mesh_pieces[pim_mat_name]
""":type: Piece"""
piece_vert_indices = []
for loop_i in poly.loop_indices:
loop = mesh.loops[loop_i]
""":type: bpy.types.MeshLoop"""
vert_i = loop.vertex_index
# get data of current vertex
# 1. position -> mesh.vertices[loop.vertex_index].co
position = tuple(pos_transf_mat * mesh.vertices[vert_i].co)
# 2. normal -> loop.normal -> calc_normals_split() has to be called before
normal = nor_transf_mat * loop.normal
normal = tuple(Vector(normal).normalized())
# 3. uvs -> uv_lay = mesh.uv_layers[0].data; uv_lay[loop_i].uv
uvs = []
uvs_aliases = []
tex_coord_alias_map = pim_materials[pim_mat_name].get_tex_coord_map()
if len(tex_coord_alias_map) < 1: # no textures or none uses uv mapping in current material effect
uvs.append((0.0, 0.0))
uvs_aliases.append(["_TEXCOORD0"])
# report missing mappings only on actual materials with textures using uv mappings
if material and pim_materials[pim_mat_name].uses_textures_with_uv():
if material.name not in missing_mappings_data:
missing_mappings_data[material.name] = {}
if mesh_obj.name not in missing_mappings_data[material.name]:
missing_mappings_data[material.name][mesh_obj.name] = 1
else:
for uv_lay_name in tex_coord_alias_map:
if uv_lay_name not in mesh.uv_layers:
uvs.append((0.0, 0.0))
# properly report missing uv layers where name of uv layout is key and materials that misses it are values
if uv_lay_name not in missing_uv_layers:
missing_uv_layers[uv_lay_name] = []
if pim_mat_name not in missing_uv_layers[uv_lay_name]: # add material if not already there
missing_uv_layers[uv_lay_name].append(pim_mat_name)
else:
uv_lay = mesh.uv_layers[uv_lay_name]
uvs.append(_change_to_scs_uv_coordinates(uv_lay.data[loop_i].uv))
aliases = []
for alias_index in tex_coord_alias_map[uv_lay_name]:
aliases.append("_TEXCOORD" + str(alias_index))
uvs_aliases.append(aliases)
# 4. vcol -> vcol_lay = mesh.vertex_colors[0].data; vcol_lay[loop_i].color
vcol_multi = mesh_obj.data.scs_props.vertex_color_multiplier
if _MESH_consts.default_vcol not in mesh.vertex_colors: # get RGB component of RGBA
vcol = (1.0,) * 3
missing_vcolor = True
else:
color = mesh.vertex_colors[_MESH_consts.default_vcol].data[loop_i].color
vcol = (color[0] * 2 * vcol_multi, color[1] * 2 * vcol_multi, color[2] * 2 * vcol_multi)
if _MESH_consts.default_vcol + _MESH_consts.vcol_a_suffix not in mesh.vertex_colors: # get A component of RGBA
vcol += (1.0,)
missing_vcolor_a = True
else:
alpha = mesh.vertex_colors[_MESH_consts.default_vcol + _MESH_consts.vcol_a_suffix].data[loop_i].color
vcol += ((alpha[0] + alpha[1] + alpha[2]) / 3.0 * 2 * vcol_multi,) # take avg of colors for alpha
# 5. tangent -> loop.tangent; loop.bitangent_sign -> calc_tangents() has to be called before
if pim_materials[pim_mat_name].get_nmap_uv_name(): # calculate tangents only if needed
tangent = tuple(nor_transf_mat * loop.tangent)
tangent = tuple(Vector(tangent).normalized())
tangent = (tangent[0], tangent[1], tangent[2], loop.bitangent_sign)
else:
tangent = None
# save internal vertex index to array to be able to construct triangle afterwards
piece_vert_index = mesh_piece.add_vertex(vert_i, position, normal, uvs, uvs_aliases, vcol, tangent)
piece_vert_indices.append(piece_vert_index)
if is_skin_used:
# get skinning data for vertex and save it to skin stream
bone_weights = {}
for v_group_entry in mesh.vertices[vert_i].groups:
bone_indx = bones.get_bone_index(vert_groups[v_group_entry.group].name)
bone_weight = v_group_entry.weight
# proceed only if bone exists in our armature
if bone_indx != -1:
bone_weights[bone_indx] = bone_weight
skin_entry = SkinStream.Entry(mesh_piece.get_index(), piece_vert_index, position, bone_weights)
skin_stream.add_entry(skin_entry)
# save to terrain points storage if present in correct vertex group
for group in mesh.vertices[vert_i].groups:
curr_vg_name = mesh_obj.vertex_groups[group.group].name
# if vertex group name doesn't match prescribed one ignore this vertex group
if not match(_OP_consts.TerrainPoints.vg_name_regex, curr_vg_name):
continue
# if node index is not in bounds ignore this vertex group
node_index = int(curr_vg_name[-1])
if node_index >= _PL_consts.PREFAB_NODE_COUNT_MAX:
continue
# if no variants defined add globally (without variant block)
if len(root_object.scs_object_variant_inventory) == 0:
used_terrain_points.add(-1, node_index, position, normal)
continue
# finally iterate variant parts entries to find where this part is included
# and add terrain points to transitional structure
#
# NOTE: variant index is donated by direct order of variants in inventory
# so export in PIT has to use the same order otherwise variant
# indices will be misplaced
for variant_i, variant in enumerate(root_object.scs_object_variant_inventory):
used_terrain_points.ensure_entry(variant_i, node_index)
for variant_part in variant.parts:
if variant_part.name == mesh_obj.scs_props.scs_part and variant_part.include:
used_terrain_points.add(variant_i, node_index, position, normal)
break
mesh_piece.add_triangle(tuple(piece_vert_indices[::-1])) # invert indices because of normals flip
# free normals calculations
_mesh_utils.cleanup_mesh(mesh)
# create part if it doesn't exists yet
part_name = mesh_obj.scs_props.scs_part
if part_name not in pim_parts:
pim_parts[part_name] = Part(part_name)
mesh_pieces = mesh_pieces.values()
for piece in mesh_pieces:
# put pieces of current mesh to global list
pim_pieces.append(piece)
# add pieces of current mesh to part
pim_part = pim_parts[part_name]
pim_part.add_piece(piece)
# report missing data for each object
if len(missing_uv_layers) > 0:
for uv_lay_name in missing_uv_layers:
lprint("W Object '%s' is missing UV layer '%s' specified by materials: %s\n",
(mesh_obj.name, uv_lay_name, missing_uv_layers[uv_lay_name]))
if missing_vcolor:
lprint("W Object %r is missing vertex color layer with name %r! Default RGB color will be exported (0.5, 0.5, 0.5)!",
(mesh_obj.name, _MESH_consts.default_vcol))
if missing_vcolor_a:
lprint("W Object %r is missing vertex color alpha layer with name %r! Default alpha will be exported (0.5)",
(mesh_obj.name, _MESH_consts.default_vcol + _MESH_consts.vcol_a_suffix))
# report missing data for whole model
if len(missing_mappings_data) > 0:
for material_name in missing_mappings_data:
lprint("W Material '%s' is missing mapping data! Objects using it are exported with default UV:\n\t %s",
(material_name, list(missing_mappings_data[material_name].keys())))
if len(objects_with_default_material) > 0:
lprint("W Some objects don't use any material. Default material and UV mapping is used on them:\n\t %s",
(list(objects_with_default_material.keys()),))
# create locators data sections
for loc_obj in model_locators:
pos, qua, sca = _get_scs_transformation_components(root_object.matrix_world.inverted() * loc_obj.matrix_world)
if sca[0] * sca[1] * sca[2] < 0:
lprint("W Model locator %r inside SCS Root Object %r not exported because of invalid scale.\n\t " +
"Model locators must have positive scale!", (loc_obj.name, root_object.name))
continue
name = _name_utils.tokenize_name(loc_obj.name)
hookup_string = loc_obj.scs_props.locator_model_hookup
if hookup_string != "" and ":" in hookup_string:
hookup = hookup_string.split(':', 1)[1].strip()
else:
if hookup_string != "":
lprint("W The Hookup %r has no expected value!", hookup_string)
hookup = None
# create locator object for export
locator = Locator(len(pim_locators), name, hookup)
locator.set_position(pos)
locator.set_rotation(qua)
locator.set_scale(sca)
# create part if it doesn't exists yet
part_name = loc_obj.scs_props.scs_part
if part_name not in pim_parts:
pim_parts[part_name] = Part(part_name)
# add locator to part
pim_part = pim_parts[part_name]
pim_part.add_locator(locator)
# add locator to locator list
pim_locators.append(locator)
# create container
pim_container = [pim_header.get_as_section(), pim_global.get_as_section()]
for mat_name in pim_materials:
pim_container.append(pim_materials[mat_name].get_as_section())
for pim_piece in pim_pieces:
pim_container.append(pim_piece.get_as_section())
for part_name in used_parts.get_as_list():
# export all parts even empty ones gathered from PIC and PIP
if part_name in pim_parts:
pim_container.append(pim_parts[part_name].get_as_section())
else:
pim_container.append(Part(part_name).get_as_section())
for locator in pim_locators:
pim_container.append(locator.get_as_section())
if is_skin_used:
pim_container.append(bones.get_as_section())
pim_container.append(skin.get_as_section())
# write to file
ind = " "
pim_filepath = os.path.join(dirpath, root_object.name + ".pim")
return _pix_container.write_data_to_file(pim_container, pim_filepath, ind)
def execute(dirpath, name_suffix, root_object, armature_object,
skeleton_filepath, mesh_objects, model_locators, used_parts,
used_materials, used_bones, used_terrain_points):
"""Executes export of PIM file for given data.
:param dirpath: directory path for PIM file
:type dirpath: str
:param name_suffix: file name suffix
:type name_suffix: str
:param root_object: Blender SCS Root empty object
:type root_object: bpy.types.Object
:param armature_object: Blender Aramture object belonging to this SCS game object
:type armature_object: bpy.types.Object
:param skeleton_filepath: relative file path of PIS file
:type skeleton_filepath: str
:param mesh_objects: all the meshes which should be exported for current game object
:type mesh_objects: list of bpy.types.Object
:param model_locators: all Blender empty objecs which represents model locators and should be exported for current game object
:type model_locators: list of bpy.types.Object
:param used_parts: parts transitional structure for storing used parts inside this PIM export
:type used_parts: io_scs_tools.exp.transition_structs.parts.PartsTrans
:param used_materials: materials transitional structure for storing used materials inside this PIM export
:type used_materials: io_scs_tools.exp.transition_structs.materials.MaterialsTrans
:param used_bones: bones transitional structure for storing used bones inside this PIM export
:type used_bones: io_scs_tools.exp.transition_structs.bones.BonesTrans
:param used_terrain_points: terrain points transitional structure for storing used terrain points
:type used_terrain_points: io_scs_tools.exp.transition_structs.terrain_points.TerrainPntsTrans
:return: True if export was successfull; False otherwise
:rtype: bool
"""
print("\n************************************")
print("** SCS PIM Exporter **")
print("** (c)2017 SCS Software **")
print("************************************\n")
scs_globals = _get_scs_globals()
format_version = 5
is_skin_used = (armature_object
and root_object.scs_props.scs_root_animated == "anim")
pim_header = Header("", format_version, root_object.name)
pim_global = Globall(used_parts.count(), skeleton_filepath)
pim_materials = collections.OrderedDict(
) # dict of Material class instances representing used materials
""":type: dict[str, Material]"""
pim_pieces = [] # list of Piece class instances representing mesh pieces
""":type: list[Piece]"""
pim_parts = {} # list of Part class instances representing used parts
""":type: dict[str, Part]"""
pim_locators = [
] # list of Locator class instances representing model locators
""":type: list[Locator]"""
objects_with_default_material = {
} # stores object names which has no material set
missing_mappings_data = {
} # indicates if material doesn't have set any uv layer for export
invalid_objects_for_tangents = set(
) # stores object names which tangents calculation failed because of N-gons existence
bones = skin = skin_stream = None
if is_skin_used:
invalid_bone_names = set(
) # set for saving bones with invalid names, they are used for reporting to user
# create bones data section
bones = Bones()
for bone in armature_object.data.bones:
bones.add_bone(bone.name)
used_bones.add(bone.name)
# do bones name checks
if _name_utils.tokenize_name(bone.name) != bone.name:
invalid_bone_names.add(bone.name)
# create skin data section
skin_stream = SkinStream(SkinStream.Types.POSITION)
skin = Skin(skin_stream)
# report invalid bone names
if len(invalid_bone_names) > 0:
lprint(
"W Invalid bone names detected, max. length of valid bone name is 12 and must consists from [a-z, 0-9 and _ ] characters.\n\t "
"Conversion will generalize names, however expect problems by re-import! List of invalid bone names for %r:\n\t "
"%r", (armature_object.name, list(invalid_bone_names)))
# create mesh object data sections
for mesh_obj in mesh_objects:
lprint("I Preparing mesh object: %r ...", (mesh_obj.name, ))
vert_groups = mesh_obj.vertex_groups
mesh_pieces = collections.OrderedDict()
# calculate faces flip state from all ancestors of current object
scale_sign = 1
parent = mesh_obj
while parent and parent.scs_props.empty_object_type != "SCS_Root":
for scale_axis in parent.scale:
scale_sign *= scale_axis
parent = parent.parent
face_flip = scale_sign < 0
# calculate transformation matrix for current object (root object transforms are always subtracted!)
mesh_transf_mat = root_object.matrix_world.inverted(
) * mesh_obj.matrix_world
""":type: mathutils.Matrix"""
# calculate vertex position transformation matrix for this object
pos_transf_mat = (Matrix.Scale(scs_globals.export_scale, 4) *
_scs_to_blend_matrix().inverted())
""":type: mathutils.Matrix"""
# calculate vertex normals transformation matrix for this object
# NOTE: as normals will be read from none export prepared mesh we have to add rotation and scale from mesh transformation matrix
_, rot, scale = mesh_transf_mat.decompose()
scale_matrix_x = Matrix.Scale(scale.x, 3, Vector((1, 0, 0))).to_4x4()
scale_matrix_y = Matrix.Scale(scale.y, 3, Vector((0, 1, 0))).to_4x4()
scale_matrix_z = Matrix.Scale(scale.z, 3, Vector((0, 0, 1))).to_4x4()
nor_transf_mat = (_scs_to_blend_matrix().inverted() *
rot.to_matrix().to_4x4() * scale_matrix_x *
scale_matrix_y * scale_matrix_z)
""":type: mathutils.Matrix"""
tangent_transf_mat = _scs_to_blend_matrix().inverted()
""":type: mathutils.Matrix"""
# get initial mesh & extra copy of the mesh for normals
mesh = _object_utils.get_mesh(mesh_obj)
mesh_for_normals = mesh.copy()
# prepare meshes
faces_mapping = _mesh_utils.bm_prepare_mesh_for_export(
mesh, mesh_transf_mat, triangulate=True)
mesh_for_normals.calc_normals_split()
missing_uv_layers = {
} # stores missing uvs specified by materials of this object
missing_vcolor = False # indicates if object is missing vertex color layer
missing_vcolor_a = False # indicates if object is missing vertex color alpha layer
missing_skinned_verts = set(
) # indicates if object is having only partial skin, which is not allowed in our models
has_unnormalized_skin = False # indicates if object has vertices which bones weight sum is smaller then one
for poly in mesh.polygons:
mat_index = poly.material_index
# check material existence and decide what material name and effect has to be used
if mat_index >= len(
mesh_obj.material_slots
) or mesh_obj.material_slots[
mat_index].material is None: # no material or invalid index
material = None
pim_mat_name = "_default_material_-_default_settings_"
pim_mat_effect = "eut2.dif"
objects_with_default_material[mesh_obj.name] = 1
else:
material = mesh_obj.material_slots[mat_index].material
pim_mat_name = material.name
pim_mat_effect = material.scs_props.mat_effect_name
# create new pim material if material with that name doesn't yet exists
if pim_mat_name not in pim_materials:
pim_material = Material(len(pim_materials), pim_mat_name,
pim_mat_effect, material)
pim_materials[pim_mat_name] = pim_material
used_materials.add(pim_mat_name, material)
# create new piece if piece with this material doesn't exists yet -> split to pieces by material
if pim_mat_name not in mesh_pieces:
mesh_pieces[pim_mat_name] = Piece(
len(pim_pieces) + len(mesh_pieces),
pim_materials[pim_mat_name])
nmap_uv_layer = pim_materials[pim_mat_name].get_nmap_uv_name()
# if there is uv layer used for normal maps and that uv layer exists on mesh then calculate tangents on it otherwise report warning
if nmap_uv_layer:
if nmap_uv_layer in mesh.uv_layers:
try:
mesh.calc_tangents(uvmap=nmap_uv_layer)
except RuntimeError:
invalid_objects_for_tangents.add(mesh_obj.name)
else:
lprint(
"W Unable to calculate normal map tangents for object %r,\n\t "
"as it's missing UV layer with name: %r, expect problems!",
(mesh_obj.name, nmap_uv_layer))
mesh_piece = mesh_pieces[pim_mat_name]
""":type: Piece"""
# get polygon loop indices for normals depending on mapped triangulated face
if poly.index in faces_mapping:
normals_poly_loop_indices = list(mesh_for_normals.polygons[
faces_mapping[poly.index]].loop_indices)
else:
normals_poly_loop_indices = list(
mesh_for_normals.polygons[poly.index].loop_indices)
# vertex data
triangle_pvert_indices = [
] # storing vertex indices for this polygon triangle
for loop_i in poly.loop_indices:
loop = mesh.loops[loop_i]
""":type: bpy.types.MeshLoop"""
vert_i = loop.vertex_index
# get data of current vertex
# 1. position -> mesh.vertices[loop.vertex_index].co
position = tuple(pos_transf_mat * mesh.vertices[vert_i].co)
# 2. normal -> mesh_for_normals.loops[loop_i].normal -> calc_normals_split() has to be called before
normal = (0, 0, 0)
for i, normals_poly_loop_i in enumerate(
normals_poly_loop_indices):
normal_loop = mesh_for_normals.loops[normals_poly_loop_i]
# match by vertex index as triangle will for sure have three unique vertices
if vert_i == normal_loop.vertex_index:
normal = nor_transf_mat * normal_loop.normal
normal = tuple(Vector(normal).normalized())
del normals_poly_loop_indices[i]
break
else:
lprint(
"E Normals data gathering went wrong, expect corrupted mesh! Shouldn't happen..."
)
# 3. uvs -> uv_lay = mesh.uv_layers[0].data; uv_lay[loop_i].uv
uvs = []
uvs_aliases = []
tex_coord_alias_map = pim_materials[
pim_mat_name].get_tex_coord_map()
if len(
tex_coord_alias_map
) < 1: # no textures or none uses uv mapping in current material effect
uvs.append((0.0, 0.0))
uvs_aliases.append(["_TEXCOORD0"])
# report missing mappings only on actual materials with textures using uv mappings
if material and pim_materials[
pim_mat_name].uses_textures_with_uv():
if material.name not in missing_mappings_data:
missing_mappings_data[material.name] = {}
if mesh_obj.name not in missing_mappings_data[
material.name]:
missing_mappings_data[material.name][
mesh_obj.name] = 1
else:
for uv_lay_name in tex_coord_alias_map:
if uv_lay_name not in mesh.uv_layers:
uvs.append((0.0, 0.0))
# properly report missing uv layers where name of uv layout is key and materials that misses it are values
if uv_lay_name not in missing_uv_layers:
missing_uv_layers[uv_lay_name] = []
if pim_mat_name not in missing_uv_layers[
uv_lay_name]: # add material if not already there
missing_uv_layers[uv_lay_name].append(
pim_mat_name)
else:
uv_lay = mesh.uv_layers[uv_lay_name]
uvs.append(
_change_to_scs_uv_coordinates(
uv_lay.data[loop_i].uv))
aliases = []
for alias_index in tex_coord_alias_map[uv_lay_name]:
aliases.append("_TEXCOORD" + str(alias_index))
uvs_aliases.append(aliases)
# 4. vcol -> vcol_lay = mesh.vertex_colors[0].data; vcol_lay[loop_i].color
vcol_multi = mesh_obj.data.scs_props.vertex_color_multiplier
if _MESH_consts.default_vcol not in mesh.vertex_colors: # get RGB component of RGBA
vcol = (1.0, ) * 3
missing_vcolor = True
else:
color = mesh.vertex_colors[
_MESH_consts.default_vcol].data[loop_i].color
vcol = (color[0] * 2 * vcol_multi,
color[1] * 2 * vcol_multi,
color[2] * 2 * vcol_multi)
if _MESH_consts.default_vcol + _MESH_consts.vcol_a_suffix not in mesh.vertex_colors: # get A component of RGBA
vcol += (1.0, )
missing_vcolor_a = True
else:
alpha = mesh.vertex_colors[
_MESH_consts.default_vcol +
_MESH_consts.vcol_a_suffix].data[loop_i].color
vcol += ((alpha[0] + alpha[1] + alpha[2]) / 3.0 * 2 *
vcol_multi, ) # take avg of colors for alpha
# 5. tangent -> loop.tangent; loop.bitangent_sign -> calc_tangents() has to be called before
if pim_materials[pim_mat_name].get_nmap_uv_name(
): # calculate tangents only if needed
tangent = tuple(tangent_transf_mat * loop.tangent)
tangent = tuple(Vector(tangent).normalized())
tangent = (tangent[0], tangent[1], tangent[2],
loop.bitangent_sign)
else:
tangent = None
# 6. There we go, vertex data collected! Now create internal vertex index, for triangle and skin stream construction
piece_vert_index = mesh_piece.add_vertex(
vert_i, position, normal, uvs, uvs_aliases, vcol, tangent)
# 7. Add vertex to triangle creation list
triangle_pvert_indices.append(piece_vert_index)
# 8. Get skinning data for vertex and save it to skin stream
if is_skin_used:
bone_weights = {}
bone_weights_sum = 0
for v_group_entry in mesh.vertices[vert_i].groups:
bone_indx = bones.get_bone_index(
vert_groups[v_group_entry.group].name)
bone_weight = v_group_entry.weight
# proceed only if bone exists in our armature
if bone_indx != -1:
bone_weights[bone_indx] = bone_weight
bone_weights_sum += bone_weight
skin_entry = SkinStream.Entry(mesh_piece.get_index(),
piece_vert_index, position,
bone_weights,
bone_weights_sum)
skin_stream.add_entry(skin_entry)
# report un-skinned vertices (no bones or zero sum weight) or badly skinned model
if bone_weights_sum <= 0:
missing_skinned_verts.add(vert_i)
elif bone_weights_sum < 1:
has_unnormalized_skin = True
# Addition - Terrain Points: save vertex to terrain points storage, if present in correct vertex group
for group in mesh.vertices[vert_i].groups:
# if current object doesn't have vertex group found in mesh data, then ignore that group
# This can happen if multiple objects are using same mesh and
# some of them have vertex groups, but others not.
if group.group >= len(mesh_obj.vertex_groups):
continue
curr_vg_name = mesh_obj.vertex_groups[group.group].name
# if vertex group name doesn't match prescribed one ignore this vertex group
if not match(_OP_consts.TerrainPoints.vg_name_regex,
curr_vg_name):
continue
# if node index is not in bounds ignore this vertex group
node_index = int(curr_vg_name[-1])
if node_index >= _PL_consts.PREFAB_NODE_COUNT_MAX:
continue
# if no variants defined add globally (without variant block)
if len(root_object.scs_object_variant_inventory) == 0:
used_terrain_points.add(-1, node_index, position,
normal)
continue
# finally iterate variant parts entries to find where this part is included
# and add terrain points to transitional structure
#
# NOTE: variant index is donated by direct order of variants in inventory
# so export in PIT has to use the same order otherwise variant
# indices will be misplaced
for variant_i, variant in enumerate(
root_object.scs_object_variant_inventory):
used_terrain_points.ensure_entry(variant_i, node_index)
for variant_part in variant.parts:
if variant_part.name == mesh_obj.scs_props.scs_part and variant_part.include:
used_terrain_points.add(
variant_i, node_index, position, normal)
break
# triangles
if face_flip:
mesh_piece.add_triangle(tuple(triangle_pvert_indices))
else:
mesh_piece.add_triangle(
tuple(triangle_pvert_indices[::-1]
)) # yep it's weird but it simply works vice versa
# free normals calculations
_mesh_utils.cleanup_mesh(mesh)
_mesh_utils.cleanup_mesh(mesh_for_normals)
# create part if it doesn't exists yet
part_name = used_parts.ensure_part(mesh_obj)
if part_name not in pim_parts:
pim_parts[part_name] = Part(part_name)
mesh_pieces = mesh_pieces.values()
for piece in mesh_pieces:
# now as pieces are created we can check for it's flaws
if piece.get_vertex_count() > 65536:
lprint(
"E Object %r has exceeded maximum vertex count (65536), expect errors during conversion!",
(mesh_obj.name, ))
# put pieces of current mesh to global list
pim_pieces.append(piece)
# add pieces of current mesh to part
pim_part = pim_parts[part_name]
pim_part.add_piece(piece)
# report missing data for each object
if len(missing_uv_layers) > 0:
for uv_lay_name in missing_uv_layers:
lprint(
"W Object %r is missing UV layer %r specified by materials: %r",
(mesh_obj.name, uv_lay_name,
missing_uv_layers[uv_lay_name]))
if missing_vcolor:
lprint(
"W Object %r is missing vertex color layer with name %r! Default RGB color will be exported (0.5, 0.5, 0.5)!",
(mesh_obj.name, _MESH_consts.default_vcol))
if missing_vcolor_a:
lprint(
"W Object %r is missing vertex color alpha layer with name %r! Default alpha will be exported (0.5)",
(mesh_obj.name,
_MESH_consts.default_vcol + _MESH_consts.vcol_a_suffix))
if len(missing_skinned_verts) > 0:
lprint(
"E Object %r from SCS Root %r has %s vertices which are not skinned to any bone, expect errors during conversion!",
(mesh_obj.name, root_object.name, len(missing_skinned_verts)))
if has_unnormalized_skin:
lprint(
"W Object %r from SCS Root %r has unormalized skinning, exporting normalized weights!\n\t "
"You can normalize weights by selecting object & executing 'Normalize All Vertex Groups'.",
(mesh_obj.name, root_object.name))
# report missing data for whole model
if len(missing_mappings_data) > 0:
for material_name in missing_mappings_data:
lprint(
"W Material '%s' is missing mapping data! Objects using it are exported with default UV:\n\t %s",
(material_name,
list(missing_mappings_data[material_name].keys())))
if len(objects_with_default_material) > 0:
lprint(
"W Some objects don't use any material. Default material and UV mapping is used on them:\n\t %s",
(list(objects_with_default_material.keys()), ))
if len(invalid_objects_for_tangents) > 0:
lprint(
"E N-gons present in some objects, thus normal map tangent calculation failed.\n\t "
"Visualization in game will be distorted for this objects:\n\t %s",
(list(invalid_objects_for_tangents), ))
# create locators data sections
for loc_obj in model_locators:
pos, qua, sca = _get_scs_transformation_components(
root_object.matrix_world.inverted() * loc_obj.matrix_world)
if sca[0] * sca[1] * sca[2] < 0:
lprint(
"W Model locator %r inside SCS Root Object %r not exported because of invalid scale.\n\t "
+ "Model locators must have positive scale!",
(loc_obj.name, root_object.name))
continue
name = _name_utils.tokenize_name(loc_obj.name)
hookup_string = loc_obj.scs_props.locator_model_hookup
hookup_id = None
if hookup_string != "":
hookup_id = _hookup_name_to_hookup_id(hookup_string)
if hookup_id is None:
lprint("W Model locator %r has unexpected hookup value %r.",
(loc_obj.name, loc_obj.scs_props.locator_model_hookup))
# create locator object for export
locator = Locator(len(pim_locators), name, hookup_id)
locator.set_position(pos)
locator.set_rotation(qua)
locator.set_scale(sca)
# create part if it doesn't exists yet
part_name = used_parts.ensure_part(loc_obj)
if part_name not in pim_parts:
pim_parts[part_name] = Part(part_name)
# add locator to part
pim_part = pim_parts[part_name]
pim_part.add_locator(locator)
# add locator to locator list
pim_locators.append(locator)
# create container
pim_container = [pim_header.get_as_section(), pim_global.get_as_section()]
for mat_name in pim_materials:
pim_container.append(pim_materials[mat_name].get_as_section())
for pim_piece in pim_pieces:
pim_container.append(pim_piece.get_as_section())
for part_name in used_parts.get_as_list():
# export all parts even empty ones used only in PIC and/or PIP
if part_name in pim_parts:
pim_container.append(pim_parts[part_name].get_as_section())
else:
pim_container.append(Part(part_name).get_as_section())
for locator in pim_locators:
pim_container.append(locator.get_as_section())
if is_skin_used:
pim_container.append(bones.get_as_section())
pim_container.append(skin.get_as_section())
# write to file
ind = " "
pim_filepath = os.path.join(dirpath,
root_object.name + ".pim" + name_suffix)
return _pix_container.write_data_to_file(pim_container, pim_filepath, ind)