X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=blender%2Fio_mspgl%2Fexport_scene.py;h=a069af2a60d6fafa88313705e6b743a43267320d;hb=b360bb3cdc7ea3f9f5aba94d11e4f9d4f90c42a7;hp=fa7ca5e538150f3e1df98f2054ddcf8880609385;hpb=7ae4af705535271ad84dbfe2b5a24bc9c546ae01;p=libs%2Fgl.git diff --git a/blender/io_mspgl/export_scene.py b/blender/io_mspgl/export_scene.py index fa7ca5e5..a069af2a 100644 --- a/blender/io_mspgl/export_scene.py +++ b/blender/io_mspgl/export_scene.py @@ -1,19 +1,15 @@ import math import os +import itertools +import mathutils class SceneExporter: - def __init__(self): - self.selected_only = False - self.visible_only = True - self.collection = True - self.skip_existing = True - - def export_to_file(self, context, out_fn): + def export_to_file(self, context, out_fn, *, selected_only=False, visible_only=True, collection=True, skip_existing=True): from .util import Progress progress = Progress(context) from .scene import create_scene_from_current - scene = create_scene_from_current(context, selected_only=self.selected_only, visible_only=self.visible_only) + scene = create_scene_from_current(context, selected_only=selected_only, visible_only=visible_only) resources = {} self.export_scene_resources(context, scene, resources, progress) @@ -23,9 +19,9 @@ class SceneExporter: path, base = os.path.split(out_fn) base, ext = os.path.splitext(base) - if self.collection: + if collection: existing = None - if self.skip_existing: + if skip_existing: existing = lambda r: not os.path.exists(os.path.join(path, r.name)) scene_res.write_collection(out_fn, filter=existing) else: @@ -43,10 +39,36 @@ class SceneExporter: from .datafile import Resource, Statement, Token scene_res = Resource(scene.name+".scene", "scene") - scene_res.statements.append(Statement("type", Token(scene.scene_type.lower()))) + if scene.background_set or (scene.instances and scene.blended_instances): + scene_res.statements.append(Statement("type", Token("ordered"))) + if scene.background_set: + scene_res.statements.append(scene_res.create_reference_statement("scene", resources[scene.background_set.name+".scene"])) + + if scene.instances: + st = Statement("scene") + st.sub.append(Statement("type", Token("simple"))) + self.add_instances(scene_res, st.sub, scene.instances, resources) + scene_res.statements.append(st) + + if scene.blended_instances: + st = Statement("scene") + st.sub.append(Statement("type", Token("zsorted"))) + self.add_instances(scene_res, st.sub, scene.blended_instances, resources) + scene_res.statements.append(st) + else: + scene_type = "zsorted" if scene.blended_instances else "simple" + scene_res.statements.append(Statement("type", Token(scene_type))) + + self.add_instances(scene_res, scene_res.statements, scene.instances, resources) + self.add_instances(scene_res, scene_res.statements, scene.blended_instances, resources) + + return scene_res + + def add_instances(self, scene_res, statements, instances, resources): + from .datafile import Statement - for i in scene.instances: - obj_res = resources[i.prototype+".object"] + for i in instances: + obj_res = resources[i.prototype.name+".object"] st = scene_res.create_reference_statement("object", obj_res, i.name) ss = Statement("transform") @@ -65,23 +87,11 @@ class SceneExporter: ss.sub.append(Statement("scale", *tuple(scale))) st.sub.append(ss) - scene_res.statements.append(st) - - return scene_res + statements.append(st) def export_sequence_resources(self, scene, resources): from .datafile import Resource, Statement, Token - if scene.background_set: - wrapper_name = scene.name+".wrapper.scene" - if wrapper_name not in resources: - wrapper_res = Resource(wrapper_name, "scene") - wrapper_res.statements.append(Statement("type", Token("ordered"))) - for s in scene.get_chain(): - wrapper_res.statements.append(wrapper_res.create_reference_statement("scene", resources[s.name+".scene"])) - - resources[wrapper_name] = wrapper_res - lights = [] s = scene while s: @@ -101,29 +111,183 @@ class SceneExporter: lighting_name = scene.name+".lightn" if lighting_name not in resources: lighting_res = Resource(lighting_name, "lighting") + lighting_res.statements.append(Statement("ambient", *tuple(scene.ambient_light))) for l in lights: lighting_res.statements.append(lighting_res.create_reference_statement("light", resources[l.name+".light"])) resources[lighting_name] = lighting_res def export_sequence(self, scene, resources): - from .datafile import Resource, Statement + from .datafile import Resource, Statement, Token seq_res = Resource(scene.name+".seq", "sequence") - content = scene - if scene.background_set: - content = resources[scene.name+".wrapper.scene"] + if scene.use_hdr: + seq_res.statements.append(Statement("hdr", True)) + + self.add_clear(seq_res.statements, (0.0, 0.0, 0.0, 0.0), 1.0) + + scene_res = resources[scene.name+".scene"] + seq_res.statements.append(seq_res.create_reference_statement("renderable", "content", scene_res)) + + lighting_res = resources[scene.name+".lightn"] + + any_opaque = False + any_blended = False + use_ibl = False + use_shadow = False + shadowed_lights = [] + shadow_casters = [] + s = scene + while s: + if s.instances: + any_opaque = True + if s.blended_instances: + any_blended = True + if s.use_ibl: + use_ibl = True + if s.use_shadow: + use_shadow = True + shadowed_lights += [l.data for l in s.lights if l.data.use_shadow] + for i in itertools.chain(s.instances, s.blended_instances): + p = i.prototype + if p.material_slots and p.material_slots[0].material and p.material_slots[0].material.shadow_method!='NONE': + shadow_casters.append(i) + s = s.background_set + + shadowed_lights.sort(key=lambda l:l.shadow_map_size, reverse=True) + + main_tags = [] + if any_opaque: + main_tags.append("") + if any_blended: + main_tags.append("blended") + + content = "content" + if use_ibl and scene.use_sky: + self.add_auxiliary_sequence(seq_res, "environment", "sky", ((0.0, 0.0, 0.0, 0.0), 1.0), main_tags, lighting_res) - ss = Statement("pass", "", "content") - ss.sub.append(Statement("depth_test", "lequal")) - ss.sub.append(seq_res.create_reference_statement("lighting", resources[scene.name+".lightn"])) - ss.sub.append(seq_res.create_reference_statement("scene", content)) - seq_res.statements.append(ss) + st = Statement("effect", "environment") + st.sub.append(Statement("type", Token("environment_map"))) + st.sub.append(Statement("size", 32)) + st.sub.append(Statement("roughness_levels", 2)) + st.sub.append(Statement("fixed_position", 0.0, 0.0, 0.0)) + st.sub.append(Statement("content", content)) + st.sub.append(Statement("environment", "environment_sequence")) - # Add a colorcurve with linear response to convert into sRGB color space - ss = Statement("colorcurve") - ss.sub.append(Statement("brightness_response", 1.0)) - ss.sub.append(Statement("srgb")) - seq_res.statements.append(ss) + seq_res.statements.append(st) + content = "environment" + + if scene.use_sky: + st = Statement("effect", "sky") + st.sub.append(Statement("type", Token("sky"))) + st.sub.append(seq_res.create_reference_statement("sun", resources[scene.sun_light.name+".light"])) + st.sub.append(Statement("content", content)) + + seq_res.statements.append(st) + content = "sky" + + if use_shadow: + self.add_auxiliary_sequence(seq_res, "shadow", "content", (None, 1.0), ["shadow"], None) + self.add_auxiliary_sequence(seq_res, "thsm", "content", (None, 1.0), ["shadow_thsm"], None) + + st = Statement("effect", "shadow_map") + st.sub.append(Statement("type", Token("shadow_map"))) + st.sub.append(Statement("size", *self.compute_shadowmap_size(shadowed_lights))) + target, radius = self.compute_bounding_sphere(shadow_casters) + st.sub.append(Statement("target", *target)) + st.sub.append(Statement("radius", radius)) + st.sub.append(Statement("content", content)) + st.sub.append(seq_res.create_reference_statement("lighting", lighting_res)) + for l in shadowed_lights: + ss = seq_res.create_reference_statement("light", resources[l.name+".light"]) + ss.sub.append(Statement("size", int(l.shadow_map_size))) + shadow_caster = "thsm_sequence" if l.type=='POINT' else "shadow_sequence" + ss.sub.append(Statement("shadow_caster", shadow_caster)) + st.sub.append(ss) + + seq_res.statements.append(st) + content = "shadow_map" + + self.add_content_steps(seq_res, content, lighting_res, main_tags) + + if scene.use_ao: + ss = Statement("postprocessor") + ss.sub.append(Statement("type", Token("ambient_occlusion"))) + ss.sub.append(Statement("occlusion_radius", scene.ao_distance)) + ss.sub.append(Statement("samples", scene.ao_samples)) + seq_res.statements.append(ss) + + if scene.use_hdr: + ss = Statement("postprocessor") + ss.sub.append(Statement("type", Token("bloom"))) + seq_res.statements.append(ss) + + ss = Statement("postprocessor") + ss.sub.append(Statement("type", Token("colorcurve"))) + ss.sub.append(Statement("exposure_adjust", scene.exposure)) + ss.sub.append(Statement("srgb")) + seq_res.statements.append(ss) + else: + # Add a colorcurve with linear response to convert into sRGB color space + ss = Statement("postprocessor") + ss.sub.append(Statement("type", Token("colorcurve"))) + ss.sub.append(Statement("brightness_response", 1.0)) + ss.sub.append(Statement("srgb")) + seq_res.statements.append(ss) return seq_res + + def add_clear(self, statements, color, depth): + from .datafile import Statement + + st = Statement("clear") + if color is not None: + st.sub.append(Statement("color", *color)) + if depth is not None: + st.sub.append(Statement("depth", depth)) + statements.append(st) + + def add_content_steps(self, seq_res, renderable, lighting, tags): + from .datafile import Statement, Token + + for t in tags: + st = Statement("step", t, renderable) + st.sub.append(Statement("depth_test", Token("LEQUAL"))) + if lighting: + st.sub.append(seq_res.create_reference_statement("lighting", lighting)) + seq_res.statements.append(st) + + def add_auxiliary_sequence(self, seq_res, aux_name, content, clear_values, step_tags, lighting): + seq_name = os.path.splitext(seq_res.name)[0] + + from .datafile import Resource, Statement + aux_seq_res = Resource("{}_{}.seq".format(seq_name, aux_name), "sequence") + self.add_clear(aux_seq_res.statements, *clear_values) + aux_seq_res.statements.append(Statement("renderable", "content")) + self.add_content_steps(aux_seq_res, "content", lighting, step_tags) + + st = seq_res.create_reference_statement("sequence", aux_name+"_sequence", aux_seq_res) + st.sub.append(Statement("renderable", "content", content)) + seq_res.statements.append(st) + + def compute_shadowmap_size(self, lights): + total_area = 0 + for l in lights: + s = int(l.shadow_map_size) + total_area += s*s + + size = 1 + while size*sizetotal_area*2: + return (size, size//2) + else: + return (size, size) + + def compute_bounding_sphere(self, instances): + points = [] + for i in instances: + points += [i.matrix_world@mathutils.Vector(c) for c in i.prototype.bound_box] + + from .util import compute_bounding_sphere + return compute_bounding_sphere(points)