def execute(self):
"""Main import function."""
try:
dirname = os.path.dirname(NifOp.props.filepath)
kf_files = [os.path.join(dirname, file.name) for file in NifOp.props.files if file.name.lower().endswith(".kf")]
# if an armature is present, prepare the bones for all actions
b_armature = math.get_armature()
if b_armature:
# the axes used for bone correction depend on the armature in our scene
math.set_bone_orientation(b_armature.data.niftools.axis_forward, b_armature.data.niftools.axis_up)
# get nif space bind pose of armature here for all anims
self.transform_anim.get_bind_data(b_armature)
for kf_file in kf_files:
kfdata = KFFile.load_kf(kf_file)
self.apply_scale(kfdata, NifOp.props.scale_correction)
# calculate and set frames per second
self.transform_anim.set_frames_per_second(kfdata.roots)
for kf_root in kfdata.roots:
self.transform_anim.import_kf_root(kf_root, b_armature)
except NifError:
return {'CANCELLED'}
NifLog.info("Finished successfully")
return {'FINISHED'}
def import_armature(self, n_armature):
"""Scans an armature hierarchy, and returns a whole armature.
This is done outside the normal node tree scan to allow for positioning
of the bones before skins are attached."""
armature_name = block_store.import_name(n_armature)
b_armature_data = bpy.data.armatures.new(armature_name)
b_armature_data.display_type = 'STICK'
# use heuristics to determine a suitable orientation
forward, up = self.guess_orientation(n_armature)
# pass them to the matrix utility
math.set_bone_orientation(forward, up)
# store axis orientation for export
b_armature_data.niftools.axis_forward = forward
b_armature_data.niftools.axis_up = up
b_armature_obj = Object.create_b_obj(n_armature, b_armature_data)
b_armature_obj.show_in_front = True
armature_space_bind_store, armature_space_pose_store = self.import_pose(
n_armature)
# make armature editable and create bones
bpy.ops.object.mode_set(mode='EDIT', toggle=False)
for n_child in n_armature.children:
self.import_bone_bind(n_child, armature_space_bind_store,
b_armature_data, n_armature)
self.fix_bone_lengths(b_armature_data)
bpy.ops.object.mode_set(mode='OBJECT', toggle=False)
# The armature has been created in editmode,
# now we are ready to set the bone keyframes and store the bones' long names.
if NifOp.props.animation:
self.transform_anim.create_action(b_armature_obj,
armature_name + "-Anim")
for bone_name, b_bone in b_armature_obj.data.bones.items():
n_block = self.name_to_block[bone_name]
# the property is only available from object mode!
block_store.store_longname(b_bone, safe_decode(n_block.name))
if NifOp.props.animation:
self.transform_anim.import_transforms(n_block, b_armature_obj,
bone_name)
# import pose
for b_name, n_block in self.name_to_block.items():
n_pose = armature_space_pose_store[n_block]
b_pose_bone = b_armature_obj.pose.bones[b_name]
n_bind = mathutils.Matrix(n_pose.as_list()).transposed()
b_pose_bone.matrix = math.nif_bind_to_blender_bind(n_bind)
# force update is required to ensure the transforms are set properly in blender
bpy.context.view_layer.update()
return b_armature_obj
def execute(self):
"""Main export function."""
NifLog.info(f"Exporting {NifOp.props.filepath}")
# extract directory, base name, extension
directory = os.path.dirname(NifOp.props.filepath)
filebase, fileext = os.path.splitext(
os.path.basename(NifOp.props.filepath))
if bpy.context.scene.niftools_scene.game == 'NONE':
raise NifError(
"You have not selected a game. Please select a game in the scene tab."
)
prefix = "x" if bpy.context.scene.niftools_scene.game in (
'MORROWIND', ) else ""
self.version, data = scene.get_version_data()
# todo[anim] - change to KfData, but create_controller() [and maybe more] has to be updated first
NifData.init(data)
b_armature = math.get_armature()
# some scenes may not have an armature, so nothing to do here
if b_armature:
math.set_bone_orientation(b_armature.data.niftools.axis_forward,
b_armature.data.niftools.axis_up)
NifLog.info("Creating keyframe tree")
kf_root = self.transform_anim.export_kf_root(b_armature)
# write kf (and xkf if asked)
ext = ".kf"
NifLog.info(f"Writing {prefix}{ext} file")
data.roots = [kf_root]
data.neosteam = (bpy.context.scene.niftools_scene.game == 'NEOSTEAM')
# scale correction for the skeleton
self.apply_scale(data, round(1 / NifOp.props.scale_correction))
kffile = os.path.join(directory, prefix + filebase + ext)
with open(kffile, "wb") as stream:
data.write(stream)
NifLog.info("Finished successfully")
return {'FINISHED'}
def execute(self):
"""Main import function."""
try:
dirname = os.path.dirname(NifOp.props.filepath)
kf_files = [
os.path.join(dirname, file.name) for file in NifOp.props.files
if file.name.lower().endswith(".kf")
]
b_armature = math.get_armature()
if not b_armature:
raise NifError(
"No armature was found in scene, can not import KF animation!"
)
# the axes used for bone correction depend on the armature in our scene
math.set_bone_orientation(b_armature.data.niftools.axis_forward,
b_armature.data.niftools.axis_up)
# get nif space bind pose of armature here for all anims
bind_data = armature.get_bind_data(b_armature)
for kf_file in kf_files:
kfdata = KFFile.load_kf(kf_file)
# use pyffi toaster to scale the tree
toaster = pyffi.spells.nif.NifToaster()
toaster.scale = NifOp.props.scale_correction
pyffi.spells.nif.fix.SpellScale(data=kfdata,
toaster=toaster).recurse()
# calculate and set frames per second
self.tranform_anim.set_frames_per_second(kfdata.roots)
for kf_root in kfdata.roots:
self.tranform_anim.import_kf_root(kf_root, b_armature,
bind_data)
except NifError:
return {'CANCELLED'}
NifLog.info("Finished successfully")
return {'FINISHED'}
def execute(self):
"""Main export function."""
if bpy.context.mode != 'OBJECT':
bpy.ops.object.mode_set(mode='OBJECT', toggle=False)
NifLog.info(f"Exporting {NifOp.props.filepath}")
# extract directory, base name, extension
directory = os.path.dirname(NifOp.props.filepath)
filebase, fileext = os.path.splitext(
os.path.basename(NifOp.props.filepath))
block_store.block_to_obj = {} # clear out previous iteration
try: # catch export errors
# protect against null nif versions
if bpy.context.scene.niftools_scene.game == 'NONE':
raise NifError(
"You have not selected a game. Please select a game and"
" nif version in the scene tab.")
# find all objects that do not have a parent
self.exportable_objects, self.root_objects = self.objecthelper.get_export_objects(
)
if not self.exportable_objects:
NifLog.warn("No objects can be exported!")
return {'FINISHED'}
for b_obj in self.exportable_objects:
if b_obj.type == 'MESH':
if b_obj.parent and b_obj.parent.type == 'ARMATURE':
for b_mod in b_obj.modifiers:
if b_mod.type == 'ARMATURE' and b_mod.use_bone_envelopes:
raise NifError(
f"'{b_obj.name}': Cannot export envelope skinning. If you have vertex groups, turn off envelopes.\n"
f"If you don't have vertex groups, select the bones one by one press W to "
f"convert their envelopes to vertex weights, and turn off envelopes."
)
# check for non-uniform transforms
scale = b_obj.scale
if abs(scale.x - scale.y) > NifOp.props.epsilon or abs(
scale.y - scale.z) > NifOp.props.epsilon:
NifLog.warn(
f"Non-uniform scaling not supported.\n"
f"Workaround: apply size and rotation (CTRL-A) on '{b_obj.name}'."
)
b_armature = math.get_armature()
# some scenes may not have an armature, so nothing to do here
if b_armature:
math.set_bone_orientation(
b_armature.data.niftools.axis_forward,
b_armature.data.niftools.axis_up)
prefix = "x" if bpy.context.scene.niftools_scene.game in (
'MORROWIND', ) else ""
NifLog.info("Exporting")
if NifOp.props.animation == 'ALL_NIF':
NifLog.info("Exporting geometry and animation")
elif NifOp.props.animation == 'GEOM_NIF':
# for morrowind: everything except keyframe controllers
NifLog.info("Exporting geometry only")
# find nif version to write
self.version, data = scene.get_version_data()
NifData.init(data)
# export the actual root node (the name is fixed later to avoid confusing the exporter with duplicate names)
root_block = self.objecthelper.export_root_node(
self.root_objects, filebase)
# post-processing:
# ----------------
NifLog.info("Checking controllers")
if bpy.context.scene.niftools_scene.game == 'MORROWIND':
# animations without keyframe animations crash the TESCS
# if we are in that situation, add a trivial keyframe animation
has_keyframecontrollers = False
for block in block_store.block_to_obj:
if isinstance(block, NifFormat.NiKeyframeController):
has_keyframecontrollers = True
break
if (not has_keyframecontrollers) and (
not NifOp.props.bs_animation_node):
NifLog.info("Defining dummy keyframe controller")
# add a trivial keyframe controller on the scene root
self.transform_anim.create_controller(
root_block, root_block.name)
if NifOp.props.bs_animation_node:
for block in block_store.block_to_obj:
if isinstance(block, NifFormat.NiNode):
# if any of the shape children has a controller or if the ninode has a controller convert its type
if block.controller or any(
child.controller
for child in block.children if isinstance(
child, NifFormat.NiGeometry)):
new_block = NifFormat.NiBSAnimationNode(
).deepcopy(block)
# have to change flags to 42 to make it work
new_block.flags = 42
root_block.replace_global_node(
block, new_block)
if root_block is block:
root_block = new_block
# oblivion skeleton export: check that all bones have a transform controller and transform interpolator
if bpy.context.scene.niftools_scene.game in (
'OBLIVION', 'FALLOUT_3',
'SKYRIM') and filebase.lower() in ('skeleton',
'skeletonbeast'):
self.transform_anim.add_dummy_controllers()
# bhkConvexVerticesShape of children of bhkListShapes need an extra bhkConvexTransformShape (see issue #3308638, reported by Koniption)
# note: block_store.block_to_obj changes during iteration, so need list copy
for block in list(block_store.block_to_obj.keys()):
if isinstance(block, NifFormat.bhkListShape):
for i, sub_shape in enumerate(block.sub_shapes):
if isinstance(sub_shape,
NifFormat.bhkConvexVerticesShape):
coltf = block_store.create_block(
"bhkConvexTransformShape")
coltf.material = sub_shape.material
coltf.unknown_float_1 = 0.1
unk_8 = coltf.unknown_8_bytes
unk_8[0] = 96
unk_8[1] = 120
unk_8[2] = 53
unk_8[3] = 19
unk_8[4] = 24
unk_8[5] = 9
unk_8[6] = 253
unk_8[7] = 4
coltf.transform.set_identity()
coltf.shape = sub_shape
block.sub_shapes[i] = coltf
# export constraints
for b_obj in self.exportable_objects:
if b_obj.constraints:
self.constrainthelper.export_constraints(b_obj, root_block)
object_prop = ObjectProperty()
object_prop.export_root_node_properties(root_block)
# FIXME:
"""
if self.EXPORT_FLATTENSKIN:
# (warning: trouble if armatures parent other armatures or
# if bones parent geometries, or if object is animated)
# flatten skins
skelroots = set()
affectedbones = []
for block in block_store.block_to_obj:
if isinstance(block, NifFormat.NiGeometry) and block.is_skin():
NifLog.info("Flattening skin on geometry {0}".format(block.name))
affectedbones.extend(block.flatten_skin())
skelroots.add(block.skin_instance.skeleton_root)
# remove NiNodes that do not affect skin
for skelroot in skelroots:
NifLog.info("Removing unused NiNodes in '{0}'".format(skelroot.name))
skelrootchildren = [child for child in skelroot.children
if ((not isinstance(child,
NifFormat.NiNode))
or (child in affectedbones))]
skelroot.num_children = len(skelrootchildren)
skelroot.children.update_size()
for i, child in enumerate(skelrootchildren):
skelroot.children[i] = child
"""
# apply scale
data.roots = [root_block]
scale_correction = bpy.context.scene.niftools_scene.scale_correction
if abs(scale_correction) > NifOp.props.epsilon:
self.apply_scale(data, round(1 / NifOp.props.scale_correction))
# also scale egm
if EGMData.data:
EGMData.data.apply_scale(1 / scale_correction)
# generate mopps (must be done after applying scale!)
if bpy.context.scene.niftools_scene.game in ('OBLIVION',
'FALLOUT_3',
'SKYRIM'):
for block in block_store.block_to_obj:
if isinstance(block, NifFormat.bhkMoppBvTreeShape):
NifLog.info("Generating mopp...")
block.update_mopp()
# print "=== DEBUG: MOPP TREE ==="
# block.parse_mopp(verbose = True)
# print "=== END OF MOPP TREE ==="
# warn about mopps on non-static objects
if any(sub_shape.layer != 1
for sub_shape in block.shape.sub_shapes):
NifLog.warn(
"Mopps for non-static objects may not function correctly in-game. You may wish to use simple primitives for collision."
)
# export nif file:
# ----------------
if bpy.context.scene.niftools_scene.game == 'EMPIRE_EARTH_II':
ext = ".nifcache"
else:
ext = ".nif"
NifLog.info(f"Writing {ext} file")
# make sure we have the right file extension
if fileext.lower() != ext:
NifLog.warn(
f"Changing extension from {fileext} to {ext} on output file"
)
niffile = os.path.join(directory, prefix + filebase + ext)
data.roots = [root_block]
# todo [export] I believe this is redundant and setting modification only is the current way?
data.neosteam = (
bpy.context.scene.niftools_scene.game == 'NEOSTEAM')
if bpy.context.scene.niftools_scene.game == 'NEOSTEAM':
data.modification = "neosteam"
elif bpy.context.scene.niftools_scene.game == 'ATLANTICA':
data.modification = "ndoors"
elif bpy.context.scene.niftools_scene.game == 'HOWLING_SWORD':
data.modification = "jmihs1"
with open(niffile, "wb") as stream:
data.write(stream)
# export egm file:
# -----------------
if EGMData.data:
ext = ".egm"
NifLog.info(f"Writing {ext} file")
egmfile = os.path.join(directory, filebase + ext)
with open(egmfile, "wb") as stream:
EGMData.data.write(stream)
# save exported file (this is used by the test suite)
self.root_blocks = [root_block]
except NifError:
return {'CANCELLED'}
NifLog.info("Finished")
return {'FINISHED'}