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mirror of https://github.com/DarklightGames/io_scene_psk_psa.git synced 2024-11-23 22:40:59 +01:00

Added support for collection exporters

This commit is contained in:
Colin Basnett 2024-07-17 01:38:32 -07:00
parent 14f5b0424c
commit 10a25dc036
6 changed files with 208 additions and 78 deletions

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@ -108,7 +108,6 @@ def load_psa_file(context, filepath: str):
pg.psa_error = str(e)
def on_psa_file_path_updated(cls, context):
load_psa_file(context, cls.filepath)
@ -261,6 +260,7 @@ class PSA_FH_import(FileHandler):
bl_idname = 'PSA_FH_import'
bl_label = 'File handler for Unreal PSA import'
bl_import_operator = 'psa_import.import'
bl_export_operator = 'psa_export.export'
bl_file_extensions = '.psa'
@classmethod

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@ -3,7 +3,7 @@ from typing import Optional
import bmesh
import bpy
import numpy as np
from bpy.types import Armature, Material
from bpy.types import Armature, Material, Collection, Context
from .data import *
from .properties import triangle_type_and_bit_flags_to_poly_flags
@ -20,30 +20,28 @@ class PskBuildOptions(object):
def __init__(self):
self.bone_filter_mode = 'ALL'
self.bone_collection_indices: List[int] = []
self.use_raw_mesh_data = True
self.object_eval_state = 'EVALUATED'
self.materials: List[Material] = []
self.should_enforce_bone_name_restrictions = False
def get_psk_input_objects(context) -> PskInputObjects:
input_objects = PskInputObjects()
for selected_object in context.view_layer.objects.selected:
if selected_object.type == 'MESH':
input_objects.mesh_objects.append(selected_object)
def get_mesh_objects_for_collection(collection: Collection):
for obj in collection.all_objects:
if obj.type == 'MESH':
yield obj
if len(input_objects.mesh_objects) == 0:
raise RuntimeError('At least one mesh must be selected')
for mesh_object in input_objects.mesh_objects:
if len(mesh_object.data.materials) == 0:
raise RuntimeError(f'Mesh "{mesh_object.name}" must have at least one material')
def get_mesh_objects_for_context(context: Context):
for obj in context.view_layer.objects.selected:
if obj.type == 'MESH':
yield obj
# Ensure that there are either no armature modifiers (static mesh)
# or that there is exactly one armature modifier object shared between
# all selected meshes
def get_armature_for_mesh_objects(mesh_objects: List[Object]) -> Optional[Object]:
# Ensure that there are either no armature modifiers (static mesh) or that there is exactly one armature modifier
# object shared between all meshes.
armature_modifier_objects = set()
for mesh_object in input_objects.mesh_objects:
for mesh_object in mesh_objects:
modifiers = [x for x in mesh_object.modifiers if x.type == 'ARMATURE']
if len(modifiers) == 0:
continue
@ -53,21 +51,46 @@ def get_psk_input_objects(context) -> PskInputObjects:
if len(armature_modifier_objects) > 1:
armature_modifier_names = [x.name for x in armature_modifier_objects]
raise RuntimeError(f'All selected meshes must have the same armature modifier, encountered {len(armature_modifier_names)} ({", ".join(armature_modifier_names)})')
raise RuntimeError(
f'All meshes must have the same armature modifier, encountered {len(armature_modifier_names)} ({", ".join(armature_modifier_names)})')
elif len(armature_modifier_objects) == 1:
input_objects.armature_object = list(armature_modifier_objects)[0]
return list(armature_modifier_objects)[0]
else:
return None
def _get_psk_input_objects(mesh_objects: List[Object]) -> PskInputObjects:
if len(mesh_objects) == 0:
raise RuntimeError('At least one mesh must be selected')
for mesh_object in mesh_objects:
if len(mesh_object.data.materials) == 0:
raise RuntimeError(f'Mesh "{mesh_object.name}" must have at least one material')
input_objects = PskInputObjects()
input_objects.mesh_objects = mesh_objects
input_objects.armature_object = get_armature_for_mesh_objects(mesh_objects)
return input_objects
def get_psk_input_objects_for_context(context: Context) -> PskInputObjects:
mesh_objects = list(get_mesh_objects_for_context(context))
return _get_psk_input_objects(mesh_objects)
def get_psk_input_objects_for_collection(collection: Collection) -> PskInputObjects:
mesh_objects = list(get_mesh_objects_for_collection(collection))
return _get_psk_input_objects(mesh_objects)
class PskBuildResult(object):
def __init__(self):
self.psk = None
self.warnings: List[str] = []
def build_psk(context, options: PskBuildOptions) -> PskBuildResult:
input_objects = get_psk_input_objects(context)
def build_psk(context, input_objects: PskInputObjects, options: PskBuildOptions) -> PskBuildResult:
armature_object: bpy.types.Object = input_objects.armature_object
result = PskBuildResult()
@ -160,47 +183,48 @@ def build_psk(context, options: PskBuildOptions) -> PskBuildResult:
material_indices = [material_names.index(material_slot.material.name) for material_slot in input_mesh_object.material_slots]
# MESH DATA
if options.use_raw_mesh_data:
mesh_object = input_mesh_object
mesh_data = input_mesh_object.data
else:
# Create a copy of the mesh object after non-armature modifiers are applied.
match options.object_eval_state:
case 'ORIGINAL':
mesh_object = input_mesh_object
mesh_data = input_mesh_object.data
case 'EVALUATED':
# Create a copy of the mesh object after non-armature modifiers are applied.
# Temporarily force the armature into the rest position.
# We will undo this later.
old_pose_position = None
if armature_object is not None:
old_pose_position = armature_object.data.pose_position
armature_object.data.pose_position = 'REST'
# Temporarily force the armature into the rest position.
# We will undo this later.
old_pose_position = None
if armature_object is not None:
old_pose_position = armature_object.data.pose_position
armature_object.data.pose_position = 'REST'
depsgraph = context.evaluated_depsgraph_get()
bm = bmesh.new()
bm.from_object(input_mesh_object, depsgraph)
mesh_data = bpy.data.meshes.new('')
bm.to_mesh(mesh_data)
del bm
mesh_object = bpy.data.objects.new('', mesh_data)
mesh_object.matrix_world = input_mesh_object.matrix_world
depsgraph = context.evaluated_depsgraph_get()
bm = bmesh.new()
bm.from_object(input_mesh_object, depsgraph)
mesh_data = bpy.data.meshes.new('')
bm.to_mesh(mesh_data)
del bm
mesh_object = bpy.data.objects.new('', mesh_data)
mesh_object.matrix_world = input_mesh_object.matrix_world
scale = (input_mesh_object.scale.x, input_mesh_object.scale.y, input_mesh_object.scale.z)
scale = (input_mesh_object.scale.x, input_mesh_object.scale.y, input_mesh_object.scale.z)
# Negative scaling in Blender results in inverted normals after the scale is applied. However, if the scale
# is not applied, the normals will appear unaffected in the viewport. The evaluated mesh data used in the
# export will have the scale applied, but this behavior is not obvious to the user.
#
# In order to have the exporter be as WYSIWYG as possible, we need to check for negative scaling and invert
# the normals if necessary. If two axes have negative scaling and the third has positive scaling, the
# normals will be correct. We can detect this by checking if the number of negative scaling axes is odd. If
# it is, we need to invert the normals of the mesh by swapping the order of the vertices in each face.
should_flip_normals = sum(1 for x in scale if x < 0) % 2 == 1
# Negative scaling in Blender results in inverted normals after the scale is applied. However, if the scale
# is not applied, the normals will appear unaffected in the viewport. The evaluated mesh data used in the
# export will have the scale applied, but this behavior is not obvious to the user.
#
# In order to have the exporter be as WYSIWYG as possible, we need to check for negative scaling and invert
# the normals if necessary. If two axes have negative scaling and the third has positive scaling, the
# normals will be correct. We can detect this by checking if the number of negative scaling axes is odd. If
# it is, we need to invert the normals of the mesh by swapping the order of the vertices in each face.
should_flip_normals = sum(1 for x in scale if x < 0) % 2 == 1
# Copy the vertex groups
for vertex_group in input_mesh_object.vertex_groups:
mesh_object.vertex_groups.new(name=vertex_group.name)
# Copy the vertex groups
for vertex_group in input_mesh_object.vertex_groups:
mesh_object.vertex_groups.new(name=vertex_group.name)
# Restore the previous pose position on the armature.
if old_pose_position is not None:
armature_object.data.pose_position = old_pose_position
# Restore the previous pose position on the armature.
if old_pose_position is not None:
armature_object.data.pose_position = old_pose_position
vertex_offset = len(psk.points)
@ -305,7 +329,7 @@ def build_psk(context, options: PskBuildOptions) -> PskBuildResult:
w.weight = weight
psk.weights.append(w)
if not options.use_raw_mesh_data:
if options.object_eval_state == 'EVALUATED':
bpy.data.objects.remove(mesh_object)
bpy.data.meshes.remove(mesh_data)
del mesh_data

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@ -1,35 +1,40 @@
from bpy.props import StringProperty
from bpy.types import Operator
from typing import List
import bpy
from bpy.props import StringProperty, BoolProperty, EnumProperty
from bpy.types import Operator, Context, Object
from bpy_extras.io_utils import ExportHelper
from ..builder import build_psk, PskBuildOptions, get_psk_input_objects
from .properties import object_eval_state_items
from ..builder import build_psk, PskBuildOptions, get_psk_input_objects_for_context, \
get_psk_input_objects_for_collection
from ..writer import write_psk
from ...shared.helpers import populate_bone_collection_list
def is_bone_filter_mode_item_available(context, identifier):
input_objects = get_psk_input_objects(context)
input_objects = get_psk_input_objects_for_context(context)
armature_object = input_objects.armature_object
if identifier == 'BONE_COLLECTIONS':
if armature_object is None or armature_object.data is None or len(armature_object.data.collections) == 0:
return False
# else if... you can set up other conditions if you add more options
return True
def populate_material_list(mesh_objects, material_list):
material_list.clear()
def get_materials_for_mesh_objects(mesh_objects: List[Object]):
materials = []
for mesh_object in mesh_objects:
for i, material_slot in enumerate(mesh_object.material_slots):
material = material_slot.material
# TODO: put this in the poll arg?
if material is None:
raise RuntimeError('Material slot cannot be empty (index ' + str(i) + ')')
if material not in materials:
materials.append(material)
return materials
def populate_material_list(mesh_objects, material_list):
materials = get_materials_for_mesh_objects(mesh_objects)
material_list.clear()
for index, material in enumerate(materials):
m = material_list.add()
m.material = material
@ -72,6 +77,84 @@ class PSK_OT_material_list_move_down(Operator):
return {'FINISHED'}
class PSK_OT_export_collection(Operator, ExportHelper):
bl_idname = 'export.psk_collection'
bl_label = 'Export'
bl_options = {'INTERNAL'}
filename_ext = '.psk'
filter_glob: StringProperty(default='*.psk', options={'HIDDEN'})
filepath: StringProperty(
name='File Path',
description='File path used for exporting the PSK file',
maxlen=1024,
default='',
subtype='FILE_PATH')
collection: StringProperty(options={'HIDDEN'})
object_eval_state: EnumProperty(
items=object_eval_state_items,
name='Object Evaluation State',
default='EVALUATED'
)
should_enforce_bone_name_restrictions: BoolProperty(
default=False,
name='Enforce Bone Name Restrictions',
description='Enforce that bone names must only contain letters, numbers, spaces, hyphens and underscores.\n\n'
'Depending on the engine, improper bone names might not be referenced correctly by scripts'
)
def execute(self, context):
collection = bpy.data.collections.get(self.collection)
try:
input_objects = get_psk_input_objects_for_collection(collection)
except RuntimeError as e:
self.report({'ERROR_INVALID_CONTEXT'}, str(e))
return {'CANCELLED'}
options = PskBuildOptions()
options.bone_filter_mode = 'ALL'
options.object_eval_state = self.object_eval_state
options.materials = get_materials_for_mesh_objects(input_objects.mesh_objects)
options.should_enforce_bone_name_restrictions = self.should_enforce_bone_name_restrictions
try:
result = build_psk(context, input_objects, options)
for warning in result.warnings:
self.report({'WARNING'}, warning)
write_psk(result.psk, self.filepath)
if len(result.warnings) > 0:
self.report({'WARNING'}, f'PSK export successful with {len(result.warnings)} warnings')
else:
self.report({'INFO'}, f'PSK export successful')
except RuntimeError as e:
self.report({'ERROR_INVALID_CONTEXT'}, str(e))
return {'CANCELLED'}
return {'FINISHED'}
def draw(self, context: Context):
layout = self.layout
# MESH
mesh_header, mesh_panel = layout.panel('Mesh', default_closed=False)
mesh_header.label(text='Mesh', icon='MESH_DATA')
if mesh_panel:
flow = mesh_panel.grid_flow(row_major=True)
flow.use_property_split = True
flow.use_property_decorate = False
flow.prop(self, 'object_eval_state', text='Data')
# BONES
bones_header, bones_panel = layout.panel('Bones', default_closed=False)
bones_header.label(text='Bones', icon='BONE_DATA')
if bones_panel:
flow = bones_panel.grid_flow(row_major=True)
flow.use_property_split = True
flow.use_property_decorate = False
flow.prop(self, 'should_enforce_bone_name_restrictions')
class PSK_OT_export(Operator, ExportHelper):
bl_idname = 'export.psk'
bl_label = 'Export'
@ -88,7 +171,7 @@ class PSK_OT_export(Operator, ExportHelper):
def invoke(self, context, event):
try:
input_objects = get_psk_input_objects(context)
input_objects = get_psk_input_objects_for_context(context)
except RuntimeError as e:
self.report({'ERROR_INVALID_CONTEXT'}, str(e))
return {'CANCELLED'}
@ -110,7 +193,7 @@ class PSK_OT_export(Operator, ExportHelper):
@classmethod
def poll(cls, context):
try:
get_psk_input_objects(context)
get_psk_input_objects_for_context(context)
except RuntimeError as e:
cls.poll_message_set(str(e))
return False
@ -118,16 +201,20 @@ class PSK_OT_export(Operator, ExportHelper):
def draw(self, context):
layout = self.layout
pg = getattr(context.scene, 'psk_export')
# MESH
mesh_header, mesh_panel = layout.panel('01_mesh', default_closed=False)
mesh_header, mesh_panel = layout.panel('Mesh', default_closed=False)
mesh_header.label(text='Mesh', icon='MESH_DATA')
if mesh_panel:
mesh_panel.prop(pg, 'use_raw_mesh_data')
flow = mesh_panel.grid_flow(row_major=True)
flow.use_property_split = True
flow.use_property_decorate = False
flow.prop(pg, 'object_eval_state', text='Data')
# BONES
bones_header, bones_panel = layout.panel('02_bones', default_closed=False)
bones_header, bones_panel = layout.panel('Bones', default_closed=False)
bones_header.label(text='Bones', icon='BONE_DATA')
if bones_panel:
bone_filter_mode_items = pg.bl_rna.properties['bone_filter_mode'].enum_items_static
@ -146,7 +233,7 @@ class PSK_OT_export(Operator, ExportHelper):
bones_panel.prop(pg, 'should_enforce_bone_name_restrictions')
# MATERIALS
materials_header, materials_panel = layout.panel('03_materials', default_closed=False)
materials_header, materials_panel = layout.panel('Materials', default_closed=False)
materials_header.label(text='Materials', icon='MATERIAL')
if materials_panel:
row = materials_panel.row()
@ -157,16 +244,19 @@ class PSK_OT_export(Operator, ExportHelper):
col.operator(PSK_OT_material_list_move_down.bl_idname, text='', icon='TRIA_DOWN')
def execute(self, context):
pg = context.scene.psk_export
pg = getattr(context.scene, 'psk_export')
input_objects = get_psk_input_objects_for_context(context)
options = PskBuildOptions()
options.bone_filter_mode = pg.bone_filter_mode
options.bone_collection_indices = [x.index for x in pg.bone_collection_list if x.is_selected]
options.use_raw_mesh_data = pg.use_raw_mesh_data
options.object_eval_state = pg.object_eval_state
options.materials = [m.material for m in pg.material_list]
options.should_enforce_bone_name_restrictions = pg.should_enforce_bone_name_restrictions
try:
result = build_psk(context, options)
result = build_psk(context, input_objects, options)
for warning in result.warnings:
self.report({'WARNING'}, warning)
write_psk(result.psk, self.filepath)
@ -185,4 +275,5 @@ classes = (
PSK_OT_material_list_move_up,
PSK_OT_material_list_move_down,
PSK_OT_export,
PSK_OT_export_collection,
)

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@ -5,6 +5,12 @@ from ...shared.types import PSX_PG_bone_collection_list_item
empty_set = set()
object_eval_state_items = (
('EVALUATED', 'Evaluated', 'Use data from fully evaluated object'),
('ORIGINAL', 'Original', 'Use data from original object with no modifiers applied'),
)
class PSK_PG_material_list_item(PropertyGroup):
material: PointerProperty(type=Material)
index: IntProperty()
@ -23,7 +29,11 @@ class PSK_PG_export(PropertyGroup):
)
bone_collection_list: CollectionProperty(type=PSX_PG_bone_collection_list_item)
bone_collection_list_index: IntProperty(default=0)
use_raw_mesh_data: BoolProperty(default=False, name='Raw Mesh Data', description='No modifiers will be evaluated as part of the exported mesh')
object_eval_state: EnumProperty(
items=object_eval_state_items,
name='Object Evaluation State',
default='EVALUATED'
)
material_list: CollectionProperty(type=PSK_PG_material_list_item)
material_list_index: IntProperty(default=0)
should_enforce_bone_name_restrictions: BoolProperty(

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@ -13,8 +13,9 @@ empty_set = set()
class PSK_FH_import(FileHandler):
bl_idname = 'PSK_FH_import'
bl_label = 'File handler for Unreal PSK/PSKX import'
bl_label = 'Unreal PSK'
bl_import_operator = 'import_scene.psk'
bl_export_operator = 'export.psk_collection'
bl_file_extensions = '.psk;.pskx'
@classmethod

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@ -1,3 +1,4 @@
import os
from ctypes import Structure, sizeof
from typing import Type
@ -34,6 +35,9 @@ def write_psk(psk: Psk, path: str):
elif len(psk.bones) == 0:
raise RuntimeError(f'At least one bone must be marked for export')
# Make the directory for the file if it doesn't exist.
os.makedirs(os.path.dirname(path), exist_ok=True)
with open(path, 'wb') as fp:
_write_section(fp, b'ACTRHEAD')
_write_section(fp, b'PNTS0000', Vector3, psk.points)