Kévin Dietrich
23132fcdc1
`frame_current_final()` should be used to access the Scene time after remapping, which also matches how the particles system handles time. Reviewed By: brecht Maniphest Tasks: T77307 Differential Revision: https://developer.blender.org/D12239
95 lines
2.8 KiB
C++
95 lines
2.8 KiB
C++
/*
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* Copyright 2011-2013 Blender Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "render/mesh.h"
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#include "render/object.h"
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#include "render/particles.h"
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#include "blender/blender_sync.h"
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#include "blender/blender_util.h"
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#include "util/util_foreach.h"
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CCL_NAMESPACE_BEGIN
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/* Utilities */
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bool BlenderSync::sync_dupli_particle(BL::Object &b_ob,
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BL::DepsgraphObjectInstance &b_instance,
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Object *object)
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{
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/* Test if this dupli was generated from a particle system. */
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BL::ParticleSystem b_psys = b_instance.particle_system();
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if (!b_psys)
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return false;
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object->set_hide_on_missing_motion(true);
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/* test if we need particle data */
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if (!object->get_geometry()->need_attribute(scene, ATTR_STD_PARTICLE))
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return false;
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/* don't handle child particles yet */
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BL::Array<int, OBJECT_PERSISTENT_ID_SIZE> persistent_id = b_instance.persistent_id();
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if (persistent_id[0] >= b_psys.particles.length())
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return false;
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/* find particle system */
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ParticleSystemKey key(b_ob, persistent_id);
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ParticleSystem *psys;
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bool first_use = !particle_system_map.is_used(key);
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bool need_update = particle_system_map.add_or_update(&psys, b_ob, b_instance.object(), key);
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/* no update needed? */
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if (!need_update && !object->get_geometry()->is_modified() &&
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!scene->object_manager->need_update())
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return true;
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/* first time used in this sync loop? clear and tag update */
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if (first_use) {
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psys->particles.clear();
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psys->tag_update(scene);
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}
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/* add particle */
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BL::Particle b_pa = b_psys.particles[persistent_id[0]];
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Particle pa;
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pa.index = persistent_id[0];
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pa.age = b_scene.frame_current_final() - b_pa.birth_time();
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pa.lifetime = b_pa.lifetime();
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pa.location = get_float3(b_pa.location());
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pa.rotation = get_float4(b_pa.rotation());
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pa.size = b_pa.size();
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pa.velocity = get_float3(b_pa.velocity());
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pa.angular_velocity = get_float3(b_pa.angular_velocity());
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psys->particles.push_back_slow(pa);
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object->set_particle_system(psys);
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object->set_particle_index(psys->particles.size() - 1);
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if (object->particle_index_is_modified())
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scene->object_manager->tag_update(scene, ObjectManager::PARTICLE_MODIFIED);
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/* return that this object has particle data */
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return true;
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}
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CCL_NAMESPACE_END
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