86 lines
2.8 KiB
Python
86 lines
2.8 KiB
Python
|
""" Contains Scene object for representing a .msh file and the function to create one
|
||
|
|
from a Blender scene. """
|
||
|
|
|
||
|
|
from dataclasses import dataclass, field
|
||
|
|
from typing import List, Dict
|
||
|
|
from copy import copy
|
||
|
|
import bpy
|
||
|
|
from mathutils import Vector
|
||
|
|
from .msh_model import Model, Animation, ModelType
|
||
|
|
from .msh_scene import Scene, SceneAABB
|
||
|
|
from .msh_model_gather import gather_models
|
||
|
|
from .msh_model_utilities import sort_by_parent, has_multiple_root_models, reparent_model_roots, get_model_world_matrix, inject_dummy_data
|
||
|
|
from .msh_model_triangle_strips import create_models_triangle_strips
|
||
|
|
from .msh_material import *
|
||
|
|
from .msh_material_gather import gather_materials
|
||
|
|
from .msh_material_utilities import remove_unused_materials
|
||
|
|
from .msh_utilities import *
|
||
|
|
from .msh_anim_gather import extract_anim
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
def create_scene(generate_triangle_strips: bool, apply_modifiers: bool, export_target: str, skel_only: bool, export_anim: bool) -> Scene:
|
||
|
|
""" Create a msh Scene from the active Blender scene. """
|
||
|
|
|
||
|
|
scene = Scene()
|
||
|
|
|
||
|
|
scene.name = bpy.context.scene.name
|
||
|
|
|
||
|
|
scene.materials = gather_materials()
|
||
|
|
|
||
|
|
scene.models, armature_obj = gather_models(apply_modifiers=apply_modifiers, export_target=export_target, skeleton_only=skel_only)
|
||
|
|
scene.models = sort_by_parent(scene.models)
|
||
|
|
|
||
|
|
if generate_triangle_strips:
|
||
|
|
scene.models = create_models_triangle_strips(scene.models)
|
||
|
|
else:
|
||
|
|
for model in scene.models:
|
||
|
|
if model.geometry:
|
||
|
|
for segment in model.geometry:
|
||
|
|
segment.triangle_strips = segment.triangles
|
||
|
|
|
||
|
|
if has_multiple_root_models(scene.models):
|
||
|
|
scene.models = reparent_model_roots(scene.models)
|
||
|
|
|
||
|
|
scene.materials = remove_unused_materials(scene.materials, scene.models)
|
||
|
|
|
||
|
|
|
||
|
|
root = scene.models[0]
|
||
|
|
|
||
|
|
if export_anim:
|
||
|
|
if armature_obj is not None:
|
||
|
|
scene.animation = extract_anim(armature_obj, root.name)
|
||
|
|
else:
|
||
|
|
raise Exception("Export Error: Could not find an armature object from which to export an animation!")
|
||
|
|
|
||
|
|
if skel_only and root.model_type == ModelType.NULL:
|
||
|
|
# For ZenAsset
|
||
|
|
inject_dummy_data(root)
|
||
|
|
|
||
|
|
return scene
|
||
|
|
|
||
|
|
|
||
|
|
def create_scene_aabb(scene: Scene) -> SceneAABB:
|
||
|
|
""" Create a SceneAABB for a Scene. """
|
||
|
|
|
||
|
|
global_aabb = SceneAABB()
|
||
|
|
|
||
|
|
for model in scene.models:
|
||
|
|
if model.geometry is None or model.hidden:
|
||
|
|
continue
|
||
|
|
|
||
|
|
model_world_matrix = get_model_world_matrix(model, scene.models)
|
||
|
|
model_aabb = SceneAABB()
|
||
|
|
|
||
|
|
for segment in model.geometry:
|
||
|
|
segment_aabb = SceneAABB()
|
||
|
|
|
||
|
|
for pos in segment.positions:
|
||
|
|
segment_aabb.integrate_position(model_world_matrix @ pos)
|
||
|
|
|
||
|
|
model_aabb.integrate_aabb(segment_aabb)
|
||
|
|
|
||
|
|
global_aabb.integrate_aabb(model_aabb)
|
||
|
|
|
||
|
|
return global_aabb
|