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Refactor resolution of declarations for MemberAccess
[libs/gl.git] / blender / io_mspgl / export_scene.py
1 import math
2 import os
3
4 class SceneExporter:
5         def __init__(self):
6                 self.selected_only = False
7                 self.visible_collections = True
8                 self.resource_collection = True
9                 self.skip_existing = True
10                 self.show_progress = True
11
12         def export_to_file(self, context, out_fn):
13                 if self.selected_only:
14                         objs = context.selected_objects
15                 else:
16                         objs = context.scene.objects
17                 if self.visible_collections:
18                         collections = [c.collection for c in context.view_layer.layer_collection.children if not (c.hide_viewport or c.collection.hide_viewport)]
19                         objs = [o for o in objs if any((o.name in c.all_objects) for c in collections)]
20                 objs = [o for o in objs if o.type=="MESH" and not o.lod_for_parent]
21                 objs = [o for o in objs if (not o.compound or o.parent not in objs)]
22                 objs.sort(key=lambda x:x.name)
23
24                 path, base = os.path.split(out_fn)
25                 base, ext = os.path.splitext(base)
26
27                 from .export_object import ObjectExporter
28                 object_export = ObjectExporter()
29
30                 object_prototypes = {}
31                 unique_objects = []
32                 export_names = {}
33                 for o in objs:
34                         if o.name in object_prototypes:
35                                 continue
36
37                         clones = [o]
38                         if not any(s.link=="OBJECT" for s in o.material_slots):
39                                 for u in objs:
40                                         if u is o:
41                                                 continue
42                                         if u.data.name!=o.data.name:
43                                                 continue
44                                         if any(s.link=="OBJECT" for s in u.material_slots):
45                                                 continue
46
47                                         clones.append(u)
48
49                         prefix = o.name
50                         for c in clones:
51                                 while not c.name.startswith(prefix):
52                                         pos = max(prefix.rfind(' '), prefix.rfind('.'))
53                                         if pos<0:
54                                                 break;
55                                         prefix = prefix[:pos]
56
57                         if prefix:
58                                 export_names[o.name+".object"] = prefix.strip(" .")+".object"
59
60                         unique_objects.append(o)
61                         for c in clones:
62                                 object_prototypes[c.name] = o
63
64                 from .util import Progress
65                 progress = Progress(self.show_progress and context)
66
67                 resources = {}
68                 self.export_scene_resources(context, unique_objects, resources, progress)
69                 for n, r in resources.items():
70                         if r.name in export_names:
71                                 r.name = export_names[r.name]
72
73                 scene_res = self.export_scene(context, objs, progress, prototypes=object_prototypes, resources=resources)
74                 refs = scene_res.collect_references()
75
76                 if self.resource_collection:
77                         filter = None
78                         if self.skip_existing:
79                                 filter = lambda r: not os.path.exists(os.path.join(path, r.name))
80                         scene_res.write_collection(os.path.join(path, base+"_resources.mdc"), exclude=self=True, filter)
81                 else:
82                         res_dir = os.path.join(path, base+"_resources")
83                         if not os.path.exists(res_dir):
84                                 os.makedirs(res_dir)
85                         for r in refs:
86                                 r.write_to_file(os.path.join(res_dir, r.name))
87
88                 scene_res.write_to_file(out_fn)
89
90         def export_scene_resources(self, context, objs, resources, progress):
91                 from .export_object import ObjectExporter
92                 object_export = ObjectExporter()
93                 object_export.single_file = False
94
95                 material_maps = {}
96
97                 for i, o in enumerate(objs):
98                         progress.push_task_slice(o.name, i, len(objs))
99                         object_export.export_object_resources(context, o, resources, progress, material_maps=material_maps)
100                         obj_name = o.name+".object"
101                         resources[obj_name] = object_export.export_object(context, o, progress, resources=resources)
102                         progress.pop_task()
103
104         def export_scene(self, context, objs, progress, *, prototypes, resources):
105                 from .datafile import Resource, Statement
106                 scene_res = Resource("scene.scene", "scene")
107
108                 for o in objs:
109                         obj_res = resources[prototypes[o.name].name+".object"]
110                         st = scene_res.create_reference_statement("object", obj_res, o.name)
111
112                         ss = Statement("transform")
113
114                         loc = o.matrix_world.to_translation()
115                         ss.sub.append(Statement("position", *tuple(loc)))
116
117                         quat = o.matrix_world.to_quaternion()
118                         if o.rotation_mode in ('XYZ', 'XZY', 'YXZ', 'YZX', 'ZXY', 'ZYX'):
119                                 angles = [a*180/math.pi for a in quat.to_euler()]
120                                 ss.sub.append(Statement("euler", *angles));
121                         else:
122                                 ss.sub.append(Statement("rotation", quat.angle*180/math.pi, *tuple(quat.axis)))
123
124                         scale = o.matrix_world.to_scale()
125                         ss.sub.append(Statement("scale", *tuple(scale)))
126
127                         st.sub.append(ss)
128                         scene_res.statements.append(st)
129
130                 progress.set_progress(1.0)
131
132                 return scene_res