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108 lines
3.4 KiB
Python
108 lines
3.4 KiB
Python
import bpy.path
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import bpy
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from mathutils import Vector, Quaternion
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try:
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from .anim import *
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from .bones import *
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except:
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from anim import *
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from bones import *
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def import_fix_coord(v):
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return Vector((-v[0], -v[2], v[1]))
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def import_fix_normal(v):
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return Vector(( v[0], v[2], -v[1]))
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def import_fix_quaternion(quat):
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return Quaternion((quat[3], -quat[0], -quat[2], quat[1]))
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TAIL_LENGTH = 0.05 #0.204377
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TAIL_VECTOR = Vector((0, 1, 0))
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def getTposeOffset(anim, bone_id):
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offset = Vector((0, 0, 0))
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for bt in anim.bone_tracks:
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if bt.bone_id == bone_id:
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return import_fix_coord(bt.positions[0])
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return offset
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def convertBone(anim, arm_obj, arm_data, bone_id, parent, parent_position, tail_nub):
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bone_link = anim.skeleton_hierarchy.bones[bone_id]
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#if bone_link.boneid != bone_id:
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# raise Exception("")
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bone_name = BONES_LIST[bone_id]
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# Create the (edit)bone.
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new_bone = arm_data.edit_bones.new(name=bone_name)
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new_bone.select = True
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new_bone.name = bone_name
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bone_offset = getTposeOffset(anim, bone_id)
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bone_position = parent_position + bone_offset
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if parent is None:
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if tail_nub:
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#new_bone.head = bone_offset + TAIL_VECTOR * TAIL_LENGTH
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#new_bone.tail = bone_offset
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new_bone.head = bone_position
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new_bone.tail = bone_position + TAIL_VECTOR * TAIL_LENGTH
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else:
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raise
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pass
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else:
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new_bone.parent = parent
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if tail_nub:
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#new_bone.head = bone_offset - TAIL_VECTOR * TAIL_LENGTH
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#new_bone.tail = bone_offset
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new_bone.head = bone_position
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new_bone.tail = bone_position + TAIL_VECTOR * TAIL_LENGTH
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else:
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raise
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#visit children
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if bone_link.next != -1:
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convertBone(anim, arm_obj, arm_data, bone_link.next, parent, parent_position, tail_nub)
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if bone_link.child != -1:
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convertBone(anim, arm_obj, arm_data, bone_link.child, new_bone, bone_position, tail_nub)
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def convertSkeleton(context, anim):
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full_name = anim.header_name.decode("utf-8")
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skeleton_name = full_name.split("/")[0]
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#create armature
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arm_data = bpy.data.armatures.new(name=skeleton_name)
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arm_obj = bpy.data.objects.new(name=skeleton_name, object_data=arm_data)
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# instance in scene
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context.view_layer.active_layer_collection.collection.objects.link(arm_obj)
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arm_obj.select_set(True)
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# Switch to Edit mode.
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context.view_layer.objects.active = arm_obj
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is_hidden = arm_obj.hide_viewport
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arm_obj.hide_viewport = False # Can't switch to Edit mode hidden objects...
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bpy.ops.object.mode_set(mode='EDIT')
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#Traverse tree, creating bones, and position heads and tails.
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convertBone(anim, arm_obj, arm_data, anim.skeleton_hierarchy.root, None, Vector(), True)
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#Switch to Object mode.
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bpy.ops.object.mode_set(mode='OBJECT')
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arm_obj.hide_viewport = is_hidden
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def load(operator, context, scale = 1.0, filepath = "", global_matrix = None, use_mesh_modifiers = True, ignore_lod = True):
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#Load .anim file
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fh_in = open(filepath, "rb")
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anim = Anim()
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anim.loadFromFile(fh_in)
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fh_in.close()
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#Check for a skeleton hierarchy
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if not anim.checkSkeletonHierarchy():
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raise Exception("Animation does not have a skeleton. (Or it has errors.)")
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#todo: check for a T-pose
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convertSkeleton(context, anim)
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return {'FINISHED'}
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