mirror of
https://github.com/DarklightGames/io_scene_psk_psa.git
synced 2024-11-24 06:50:13 +01:00
Fixed a bug where animations would be incorrectly imported.
This commit is contained in:
Colin Basnett
parent
7fd0c6de81
commit
728f70a356
@ -1,14 +1,12 @@
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import bpy
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import mathutils
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import os
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from mathutils import Vector, Quaternion, Matrix
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from .data import Psa
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from typing import List, AnyStr, Optional
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import bpy
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from bpy.types import Operator, Action, UIList, PropertyGroup, Panel, Armature, FileSelectParams
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from bpy_extras.io_utils import ExportHelper, ImportHelper
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from bpy.props import StringProperty, BoolProperty, CollectionProperty, PointerProperty, IntProperty
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from .reader import PsaReader
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import numpy as np
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class PsaImporter(object):
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@ -16,9 +14,8 @@ class PsaImporter(object):
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pass
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def import_psa(self, psa_reader: PsaReader, sequence_names: List[AnyStr], context):
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psa = psa_reader.psa
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properties = context.scene.psa_import
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sequences = map(lambda x: psa.sequences[x], sequence_names)
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sequences = map(lambda x: psa_reader.sequences[x], sequence_names)
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armature_object = properties.armature_object
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armature_data = armature_object.data
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@ -33,11 +30,11 @@ class PsaImporter(object):
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self.post_quat: Quaternion = Quaternion()
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self.fcurves = []
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# create an index mapping from bones in the PSA to bones in the target armature.
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# Create an index mapping from bones in the PSA to bones in the target armature.
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psa_to_armature_bone_indices = {}
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armature_bone_names = [x.name for x in armature_data.bones]
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psa_bone_names = []
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for psa_bone_index, psa_bone in enumerate(psa.bones):
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for psa_bone_index, psa_bone in enumerate(psa_reader.bones):
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psa_bone_name = psa_bone.name.decode('windows-1252')
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psa_bone_names.append(psa_bone_name)
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try:
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@ -45,7 +42,7 @@ class PsaImporter(object):
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except ValueError:
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pass
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# report if there are missing bones in the target armature
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# Report if there are missing bones in the target armature.
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missing_bone_names = set(psa_bone_names).difference(set(armature_bone_names))
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if len(missing_bone_names) > 0:
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print(f'The armature object \'{armature_object.name}\' is missing the following bones that exist in the PSA:')
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@ -56,7 +53,7 @@ class PsaImporter(object):
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import_bones = []
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import_bones_dict = dict()
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for psa_bone_index, psa_bone in enumerate(psa.bones):
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for psa_bone_index, psa_bone in enumerate(psa_reader.bones):
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bone_name = psa_bone.name.decode('windows-1252')
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if psa_bone_index not in psa_to_armature_bone_indices: # TODO: replace with bone_name in armature_data.bones
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# PSA bone does not map to armature bone, skip it and leave an empty bone in its place.
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@ -93,14 +90,14 @@ class PsaImporter(object):
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# Create and populate the data for new sequences.
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for sequence in sequences:
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action = bpy.data.actions.new(name=sequence.name.decode())
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# Create f-curves for the rotation and location of each bone.
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for psa_bone_index, armature_bone_index in psa_to_armature_bone_indices.items():
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import_bone = import_bones[psa_bone_index]
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pose_bone = import_bone.pose_bone
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# create fcurves from rotation and location data
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rotation_data_path = pose_bone.path_from_id('rotation_quaternion')
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location_data_path = pose_bone.path_from_id('location')
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import_bone.fcurves.extend([
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import_bone.fcurves = [
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action.fcurves.new(rotation_data_path, index=0), # Qw
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action.fcurves.new(rotation_data_path, index=1), # Qx
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action.fcurves.new(rotation_data_path, index=2), # Qy
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@ -108,14 +105,14 @@ class PsaImporter(object):
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action.fcurves.new(location_data_path, index=0), # Lx
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action.fcurves.new(location_data_path, index=1), # Ly
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action.fcurves.new(location_data_path, index=2), # Lz
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])
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key_index = 0
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]
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# Read the sequence keys from the PSA file.
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sequence_name = sequence.name.decode('windows-1252')
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sequence_keys = psa_reader.read_sequence_keys(sequence_name)
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# Add keyframes for each frame of the sequence.
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key_index = 0
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for frame_index in range(sequence.frame_count):
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for bone_index, import_bone in enumerate(import_bones):
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if import_bone is None:
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@ -134,17 +131,22 @@ class PsaImporter(object):
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else:
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q.rotate(key_rotation)
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quat.rotate(q.conjugated())
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key_location = Vector(tuple(sequence_keys[key_index].location))
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loc = key_location - import_bone.orig_loc
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loc.rotate(import_bone.post_quat.conjugated())
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# Add keyframe data for each of the associated f-curves.
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bone_fcurve_data = quat.w, quat.x, quat.y, quat.z, loc.x, loc.y, loc.z
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for fcurve, datum in zip(import_bone.fcurves, bone_fcurve_data):
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fcurve.keyframe_points.insert(frame_index, datum)
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fcurve.keyframe_points.insert(frame_index, datum, options={'FAST'})
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key_index += 1
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# Explicitly update the f-curves.
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for import_bone in filter(lambda x: x is not None, import_bones):
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for fcurve in import_bone.fcurves:
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fcurve.update()
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class PsaImportActionListItem(PropertyGroup):
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action_name: StringProperty()
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@ -156,23 +158,27 @@ class PsaImportActionListItem(PropertyGroup):
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return self.action_name
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def on_psa_filepath_updated(property, context):
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def on_psa_file_path_updated(property, context):
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context.scene.psa_import.action_list.clear()
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try:
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# Read the file and populate the action list.
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psa = PsaReader(context.scene.psa_import.psa_filepath).psa
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for sequence in psa.sequences.values():
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p = os.path.abspath(context.scene.psa_import.psa_file_path)
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print(p)
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psa_reader = PsaReader(p)
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for sequence in psa_reader.sequences.values():
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item = context.scene.psa_import.action_list.add()
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item.action_name = sequence.name.decode('windows-1252')
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item.frame_count = sequence.frame_count
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item.is_selected = True
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except IOError:
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except IOError as e:
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print('ERROR READING FILE')
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print(e)
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# TODO: set an error somewhere so the user knows the PSA could not be read.
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pass
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class PsaImportPropertyGroup(bpy.types.PropertyGroup):
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psa_filepath: StringProperty(default='', subtype='FILE_PATH', update=on_psa_filepath_updated)
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psa_file_path: StringProperty(default='', subtype='FILE_PATH', update=on_psa_file_path_updated)
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armature_object: PointerProperty(name='Armature', type=bpy.types.Object)
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action_list: CollectionProperty(type=PsaImportActionListItem)
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action_list_index: IntProperty(name='', default=0)
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@ -255,7 +261,7 @@ class PSA_PT_ImportPanel(Panel):
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layout = self.layout
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scene = context.scene
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row = layout.row()
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row.prop(scene.psa_import, 'psa_filepath', text='PSA File')
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row.prop(scene.psa_import, 'psa_file_path', text='PSA File')
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row = layout.row()
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row.prop_search(scene.psa_import, 'armature_object', bpy.data, 'objects')
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box = layout.box()
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@ -282,7 +288,7 @@ class PsaImportOperator(Operator):
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return has_selected_actions and armature_object is not None
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def execute(self, context):
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psa_reader = PsaReader(context.scene.psa_import.psa_filepath)
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psa_reader = PsaReader(context.scene.psa_import.psa_file_path)
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sequence_names = [x.action_name for x in context.scene.psa_import.action_list if x.is_selected]
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PsaImporter().import_psa(psa_reader, sequence_names, context)
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return {'FINISHED'}
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@ -304,6 +310,6 @@ class PsaImportFileSelectOperator(Operator, ImportHelper):
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return {'RUNNING_MODAL'}
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def execute(self, context):
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context.scene.psa_import.psa_filepath = self.filepath
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context.scene.psa_import.psa_file_path = self.filepath
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# Load the sequence names from the selected file
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return {'FINISHED'}
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@ -1,17 +1,28 @@
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from .data import *
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from typing import AnyStr
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import ctypes
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class PsaReader(object):
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"""
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This class will read the sequences and bone information immediately upon instantiation and hold onto a file handle.
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The key data is not read into memory upon instantiation due to it's potentially very large size.
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To read the key data for a particular sequence, call `read_sequence_keys`.
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"""
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def __init__(self, path):
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self.keys_data_offset = 0
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self.keys_data_offset: int = 0
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self.fp = open(path, 'rb')
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self.psa = self._read(self.fp)
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self.psa: Psa = self._read(self.fp)
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@property
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def bones(self):
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return self.psa.bones
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@property
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def sequences(self):
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return self.psa.sequences
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@staticmethod
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def read_types(fp, data_class: ctypes.Structure, section: Section, data):
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def _read_types(fp, data_class: ctypes.Structure, section: Section, data):
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buffer_length = section.data_size * section.data_count
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buffer = fp.read(buffer_length)
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offset = 0
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@ -19,22 +30,12 @@ class PsaReader(object):
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data.append(data_class.from_buffer_copy(buffer, offset))
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offset += section.data_size
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# TODO: this probably isn't actually needed anymore, we can just read it once.
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@staticmethod
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def scan_sequence_names(path) -> List[AnyStr]:
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sequences = []
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with open(path, 'rb') as fp:
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while fp.read(1):
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fp.seek(-1, 1)
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section = Section.from_buffer_copy(fp.read(ctypes.sizeof(Section)))
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if section.name == b'ANIMINFO':
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PsaReader.read_types(fp, Psa.Sequence, section, sequences)
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return [sequence.name for sequence in sequences]
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else:
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fp.seek(section.data_size * section.data_count, 1)
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return []
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def read_sequence_keys(self, sequence_name) -> List[Psa.Key]:
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""" Reads and returns the key data for a sequence.
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:param sequence_name: The name of the sequence.
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:return: A list of Psa.Keys.
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"""
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# Set the file reader to the beginning of the keys data
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sequence = self.psa.sequences[sequence_name]
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data_size = sizeof(Psa.Key)
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@ -59,10 +60,10 @@ class PsaReader(object):
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if section.name == b'ANIMHEAD':
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pass
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elif section.name == b'BONENAMES':
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PsaReader.read_types(fp, Psa.Bone, section, psa.bones)
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PsaReader._read_types(fp, Psa.Bone, section, psa.bones)
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elif section.name == b'ANIMINFO':
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sequences = []
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PsaReader.read_types(fp, Psa.Sequence, section, sequences)
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PsaReader._read_types(fp, Psa.Sequence, section, sequences)
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for sequence in sequences:
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psa.sequences[sequence.name.decode()] = sequence
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elif section.name == b'ANIMKEYS':
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