7 def export_to_file(self, ctx, out_fn, *, selected_only=False, visible_only=True, collection=True, skip_existing=True):
8 from .scene import create_scene_from_current
9 task = ctx.task("Preparing scene", 0.1)
10 scene = create_scene_from_current(task, selected_only=selected_only, visible_only=visible_only)
13 task = ctx.task("Exporting resources", 0.9)
14 self.export_scene_resources(task, scene, resources)
15 task = ctx.task(scene, 1.0)
16 scene_res = self.export_scene(scene, resources)
18 path, base = os.path.split(out_fn)
19 base, ext = os.path.splitext(base)
21 task = ctx.task("Writing files", 1.0)
25 existing = lambda r: not os.path.exists(os.path.join(path, r.name))
26 scene_res.write_collection(out_fn, filter=existing)
28 scene_res.write_to_file(out_fn)
29 for r in scene_res.collect_references():
30 r.write_to_file(os.path.join(path, r.name))
32 def export_scene_resources(self, ctx, scene, resources):
33 from .export import DataExporter
34 data_exporter = DataExporter()
36 data_exporter.export_resources(ctx, scene.prototypes, resources)
38 def export_scene(self, scene, resources):
39 from .datafile import Resource, Statement, Token
40 scene_res = Resource(scene.name+".scene", "scene")
42 if scene.background_set or (scene.instances and scene.blended_instances):
43 scene_res.statements.append(Statement("type", Token("ordered")))
44 if scene.background_set:
45 scene_res.statements.append(scene_res.create_reference_statement("scene", resources[scene.background_set.name+".scene"]))
48 st = Statement("scene")
49 st.sub.append(Statement("type", Token("simple")))
50 self.add_instances(scene_res, st.sub, scene.instances, resources)
51 scene_res.statements.append(st)
53 if scene.blended_instances:
54 st = Statement("scene")
55 st.sub.append(Statement("type", Token("zsorted")))
56 self.add_instances(scene_res, st.sub, scene.blended_instances, resources)
57 scene_res.statements.append(st)
59 scene_type = "zsorted" if scene.blended_instances else "simple"
60 scene_res.statements.append(Statement("type", Token(scene_type)))
62 self.add_instances(scene_res, scene_res.statements, scene.instances, resources)
63 self.add_instances(scene_res, scene_res.statements, scene.blended_instances, resources)
67 def add_instances(self, scene_res, statements, instances, resources):
68 from .datafile import Statement
71 obj_res = resources[i.prototype.name+".object"]
72 st = scene_res.create_reference_statement("object", obj_res)
76 ss = Statement("transform")
78 loc = i.matrix_world.to_translation()
79 ss.sub.append(Statement("position", *tuple(loc)))
81 quat = i.matrix_world.to_quaternion()
82 if i.rotation_mode in ('XYZ', 'XZY', 'YXZ', 'YZX', 'ZXY', 'ZYX'):
83 angles = [a*180/math.pi for a in quat.to_euler()]
84 ss.sub.append(Statement("euler", *angles));
86 ss.sub.append(Statement("rotation", quat.angle*180/math.pi, *tuple(quat.axis)))
88 scale = i.matrix_world.to_scale()
89 ss.sub.append(Statement("scale", *tuple(scale)))
94 def export_sequence_resources(self, scene, resources):
95 from .datafile import Resource, Statement, Token
103 from .util import make_unique
104 lights = make_unique(lights)
106 from .export_light import LightExporter
107 light_exporter = LightExporter()
109 light_name = l.name+".light"
110 if light_name not in resources:
111 resources[light_name] = light_exporter.export_light(l)
113 lighting_name = scene.name+".lightn"
114 if lighting_name not in resources:
115 lighting_res = Resource(lighting_name, "lighting")
116 lighting_res.statements.append(Statement("ambient", *tuple(scene.ambient_light)))
118 lighting_res.statements.append(lighting_res.create_reference_statement("light", resources[l.name+".light"]))
120 resources[lighting_name] = lighting_res
122 def export_sequence(self, scene, resources):
123 from .datafile import Resource, Statement, Token
124 seq_res = Resource(scene.name+".seq", "sequence")
127 seq_res.statements.append(Statement("hdr", True))
129 self.add_clear(seq_res.statements, (0.0, 0.0, 0.0, 0.0), 1.0)
131 scene_res = resources[scene.name+".scene"]
132 seq_res.statements.append(seq_res.create_reference_statement("renderable", "content", scene_res))
134 lighting_res = resources[scene.name+".lightn"]
146 if s.blended_instances:
152 shadowed_lights += [l.data for l in s.lights if l.data.use_shadow]
153 for i in itertools.chain(s.instances, s.blended_instances):
155 if p.material_slots and p.material_slots[0].material and p.material_slots[0].material.shadow_method!='NONE':
156 shadow_casters.append(i)
159 shadowed_lights.sort(key=lambda l:l.shadow_map_size, reverse=True)
165 main_tags.append("blended")
168 if use_ibl and scene.use_sky:
169 self.add_auxiliary_sequence(seq_res, "environment", "sky", ((0.0, 0.0, 0.0, 0.0), 1.0), main_tags, lighting_res)
171 st = Statement("effect", "environment")
172 st.sub.append(Statement("type", Token("environment_map")))
173 st.sub.append(Statement("size", 32))
174 st.sub.append(Statement("roughness_levels", 2))
175 st.sub.append(Statement("fixed_position", 0.0, 0.0, 0.0))
176 st.sub.append(Statement("content", content))
177 st.sub.append(Statement("environment", "environment_sequence"))
179 seq_res.statements.append(st)
180 content = "environment"
183 st = Statement("effect", "sky")
184 st.sub.append(Statement("type", Token("sky")))
185 st.sub.append(seq_res.create_reference_statement("sun", resources[scene.sun_light.name+".light"]))
186 st.sub.append(Statement("content", content))
188 seq_res.statements.append(st)
192 self.add_auxiliary_sequence(seq_res, "shadow", "content", (None, 1.0), ["shadow"], None)
193 self.add_auxiliary_sequence(seq_res, "thsm", "content", (None, 1.0), ["shadow_thsm"], None)
195 st = Statement("effect", "shadow_map")
196 st.sub.append(Statement("type", Token("shadow_map")))
197 st.sub.append(Statement("enable_for_method", "blended"))
198 st.sub.append(Statement("size", *self.compute_shadowmap_size(shadowed_lights)))
199 target, radius = self.compute_bounding_sphere(shadow_casters)
200 st.sub.append(Statement("target", *target))
201 st.sub.append(Statement("radius", radius))
202 st.sub.append(Statement("content", content))
203 st.sub.append(seq_res.create_reference_statement("lighting", lighting_res))
204 for l in shadowed_lights:
205 ss = seq_res.create_reference_statement("light", resources[l.name+".light"])
206 ss.sub.append(Statement("size", int(l.shadow_map_size)))
207 shadow_caster = "thsm_sequence" if l.type=='POINT' else "shadow_sequence"
208 ss.sub.append(Statement("shadow_caster", shadow_caster))
211 seq_res.statements.append(st)
212 content = "shadow_map"
214 self.add_content_steps(seq_res, content, lighting_res, main_tags)
217 ss = Statement("postprocessor")
218 ss.sub.append(Statement("type", Token("ambient_occlusion")))
219 ss.sub.append(Statement("occlusion_radius", scene.ao_distance))
220 ss.sub.append(Statement("samples", scene.ao_samples))
221 seq_res.statements.append(ss)
224 ss = Statement("postprocessor")
225 ss.sub.append(Statement("type", Token("bloom")))
226 seq_res.statements.append(ss)
228 ss = Statement("postprocessor")
229 ss.sub.append(Statement("type", Token("colorcurve")))
230 ss.sub.append(Statement("exposure_adjust", scene.exposure))
231 ss.sub.append(Statement("srgb"))
232 seq_res.statements.append(ss)
234 # Add a colorcurve with linear response to convert into sRGB color space
235 ss = Statement("postprocessor")
236 ss.sub.append(Statement("type", Token("colorcurve")))
237 ss.sub.append(Statement("brightness_response", 1.0))
238 ss.sub.append(Statement("srgb"))
239 seq_res.statements.append(ss)
243 def add_clear(self, statements, color, depth):
244 from .datafile import Statement
246 st = Statement("clear")
247 if color is not None:
248 st.sub.append(Statement("color", *color))
249 if depth is not None:
250 st.sub.append(Statement("depth", depth))
251 statements.append(st)
253 def add_content_steps(self, seq_res, renderable, lighting, tags):
254 from .datafile import Statement, Token
257 st = Statement("step", t, renderable)
258 st.sub.append(Statement("depth_test", Token("LEQUAL")))
260 st.sub.append(seq_res.create_reference_statement("lighting", lighting))
261 seq_res.statements.append(st)
263 def add_auxiliary_sequence(self, seq_res, aux_name, content, clear_values, step_tags, lighting):
264 seq_name = os.path.splitext(seq_res.name)[0]
266 from .datafile import Resource, Statement
267 aux_seq_res = Resource("{}_{}.seq".format(seq_name, aux_name), "sequence")
268 self.add_clear(aux_seq_res.statements, *clear_values)
269 aux_seq_res.statements.append(Statement("renderable", "content"))
270 self.add_content_steps(aux_seq_res, "content", lighting, step_tags)
272 st = seq_res.create_reference_statement("sequence", aux_name+"_sequence", aux_seq_res)
273 st.sub.append(Statement("renderable", "content", content))
274 seq_res.statements.append(st)
276 def compute_shadowmap_size(self, lights):
279 s = int(l.shadow_map_size)
283 while size*size<total_area:
285 if size*size>total_area*2:
286 return (size, size//2)
290 def compute_bounding_sphere(self, instances):
293 points += [i.matrix_world@mathutils.Vector(c) for c in i.prototype.bound_box]
295 from .util import compute_bounding_sphere
296 return compute_bounding_sphere(points)