1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
import bpy
from typing import Optional, Dict, List, Any, Tuple
from .gltf2_blender_export_keys import MORPH
from io_scene_gltf2.blender.exp.gltf2_blender_gather_cache import cached
from io_scene_gltf2.io.com import gltf2_io
from io_scene_gltf2.blender.exp import gltf2_blender_gather_primitives
from ..com.gltf2_blender_extras import generate_extras
from io_scene_gltf2.io.com.gltf2_io_debug import print_console
from io_scene_gltf2.io.exp.gltf2_io_user_extensions import export_user_extensions
@cached
def gather_mesh(blender_mesh: bpy.types.Mesh,
library: Optional[str],
blender_object: Optional[bpy.types.Object],
vertex_groups: Optional[bpy.types.VertexGroups],
modifiers: Optional[bpy.types.ObjectModifiers],
skip_filter: bool,
material_names: Tuple[str],
export_settings
) -> Optional[gltf2_io.Mesh]:
if not skip_filter and not __filter_mesh(blender_mesh, library, vertex_groups, modifiers, export_settings):
return None
mesh = gltf2_io.Mesh(
extensions=__gather_extensions(blender_mesh, library, vertex_groups, modifiers, export_settings),
extras=__gather_extras(blender_mesh, library, vertex_groups, modifiers, export_settings),
name=__gather_name(blender_mesh, library, vertex_groups, modifiers, export_settings),
weights=__gather_weights(blender_mesh, library, vertex_groups, modifiers, export_settings),
primitives=__gather_primitives(blender_mesh, library, blender_object, vertex_groups, modifiers, material_names, export_settings),
)
if len(mesh.primitives) == 0:
print_console("WARNING", "Mesh '{}' has no primitives and will be omitted.".format(mesh.name))
return None
export_user_extensions('gather_mesh_hook',
export_settings,
mesh,
blender_mesh,
blender_object,
vertex_groups,
modifiers,
skip_filter,
material_names)
return mesh
def __filter_mesh(blender_mesh: bpy.types.Mesh,
library: Optional[str],
vertex_groups: Optional[bpy.types.VertexGroups],
modifiers: Optional[bpy.types.ObjectModifiers],
export_settings
) -> bool:
if blender_mesh.users == 0:
return False
return True
def __gather_extensions(blender_mesh: bpy.types.Mesh,
library: Optional[str],
vertex_groups: Optional[bpy.types.VertexGroups],
modifiers: Optional[bpy.types.ObjectModifiers],
export_settings
) -> Any:
return None
def __gather_extras(blender_mesh: bpy.types.Mesh,
library: Optional[str],
vertex_groups: Optional[bpy.types.VertexGroups],
modifiers: Optional[bpy.types.ObjectModifiers],
export_settings
) -> Optional[Dict[Any, Any]]:
extras = {}
if export_settings['gltf_extras']:
extras = generate_extras(blender_mesh) or {}
if export_settings[MORPH] and blender_mesh.shape_keys:
morph_max = len(blender_mesh.shape_keys.key_blocks) - 1
if morph_max > 0:
target_names = []
for blender_shape_key in blender_mesh.shape_keys.key_blocks:
if blender_shape_key != blender_shape_key.relative_key:
if blender_shape_key.mute is False:
target_names.append(blender_shape_key.name)
extras['targetNames'] = target_names
if extras:
return extras
return None
def __gather_name(blender_mesh: bpy.types.Mesh,
library: Optional[str],
vertex_groups: Optional[bpy.types.VertexGroups],
modifiers: Optional[bpy.types.ObjectModifiers],
export_settings
) -> str:
return blender_mesh.name
def __gather_primitives(blender_mesh: bpy.types.Mesh,
library: Optional[str],
blender_object: Optional[bpy.types.Object],
vertex_groups: Optional[bpy.types.VertexGroups],
modifiers: Optional[bpy.types.ObjectModifiers],
material_names: Tuple[str],
export_settings
) -> List[gltf2_io.MeshPrimitive]:
return gltf2_blender_gather_primitives.gather_primitives(blender_mesh,
library,
blender_object,
vertex_groups,
modifiers,
material_names,
export_settings)
def __gather_weights(blender_mesh: bpy.types.Mesh,
library: Optional[str],
vertex_groups: Optional[bpy.types.VertexGroups],
modifiers: Optional[bpy.types.ObjectModifiers],
export_settings
) -> Optional[List[float]]:
if not export_settings[MORPH] or not blender_mesh.shape_keys:
return None
morph_max = len(blender_mesh.shape_keys.key_blocks) - 1
if morph_max <= 0:
return None
weights = []
for blender_shape_key in blender_mesh.shape_keys.key_blocks:
if blender_shape_key != blender_shape_key.relative_key:
if blender_shape_key.mute is False:
weights.append(blender_shape_key.value)
return weights
|
