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Diffstat (limited to 'intern/cycles/blender/blender_object.cpp')
| -rw-r--r-- | intern/cycles/blender/blender_object.cpp | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/intern/cycles/blender/blender_object.cpp b/intern/cycles/blender/blender_object.cpp new file mode 100644 index 00000000000..1095a3ee026 --- /dev/null +++ b/intern/cycles/blender/blender_object.cpp @@ -0,0 +1,252 @@ +/* + * Copyright 2011, Blender Foundation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include "light.h" +#include "mesh.h" +#include "object.h" +#include "scene.h" + +#include "blender_sync.h" +#include "blender_util.h" + +#include "util_foreach.h" + +CCL_NAMESPACE_BEGIN + +/* Utilities */ + +bool BlenderSync::object_is_modified(BL::Object b_ob) +{ + /* test if we can instance or if the object is modified */ + if(ccl::object_is_modified(b_ob, b_scene, preview)) { + /* modifiers */ + return true; + } + else { + /* object level material links */ + BL::Object::material_slots_iterator slot; + for(b_ob.material_slots.begin(slot); slot != b_ob.material_slots.end(); ++slot) + if(slot->link() == BL::MaterialSlot::link_OBJECT) + return true; + } + + return false; +} + +bool BlenderSync::object_is_mesh(BL::Object b_ob) +{ + BL::ID b_ob_data = b_ob.data(); + + return (b_ob_data && (b_ob_data.is_a(&RNA_Mesh) || + b_ob_data.is_a(&RNA_Curve) || b_ob_data.is_a(&RNA_MetaBall))); +} + +bool BlenderSync::object_is_light(BL::Object b_ob) +{ + BL::ID b_ob_data = b_ob.data(); + + return (b_ob_data && b_ob_data.is_a(&RNA_Lamp)); +} + +static uint object_ray_visibility(BL::Object b_ob) +{ + PointerRNA cvisibility = RNA_pointer_get(&b_ob.ptr, "cycles_visibility"); + uint flag = 0; + + flag |= get_boolean(cvisibility, "camera")? PATH_RAY_CAMERA: 0; + flag |= get_boolean(cvisibility, "diffuse")? PATH_RAY_DIFFUSE: 0; + flag |= get_boolean(cvisibility, "glossy")? PATH_RAY_GLOSSY: 0; + flag |= get_boolean(cvisibility, "transmission")? PATH_RAY_TRANSMIT: 0; + flag |= get_boolean(cvisibility, "shadow")? PATH_RAY_SHADOW: 0; + + return flag; +} + +/* Light */ + +void BlenderSync::sync_light(BL::Object b_parent, int b_index, BL::Object b_ob, Transform& tfm) +{ + /* test if we need to sync */ + Light *light; + ObjectKey key(b_parent, b_index, b_ob); + + if(!light_map.sync(&light, b_ob, b_parent, key)) + return; + + BL::Lamp b_lamp(b_ob.data()); + + /* type */ + switch(b_lamp.type()) { + case BL::Lamp::type_POINT: { + BL::PointLamp b_point_lamp(b_lamp); + light->size = b_point_lamp.shadow_soft_size(); + light->type = LIGHT_POINT; + break; + } + case BL::Lamp::type_SPOT: { + BL::SpotLamp b_spot_lamp(b_lamp); + light->size = b_spot_lamp.shadow_soft_size(); + light->type = LIGHT_POINT; + break; + } + case BL::Lamp::type_HEMI: { + light->type = LIGHT_DISTANT; + light->size = 0.0f; + break; + } + case BL::Lamp::type_SUN: { + BL::SunLamp b_sun_lamp(b_lamp); + light->size = b_sun_lamp.shadow_soft_size(); + light->type = LIGHT_DISTANT; + break; + } + case BL::Lamp::type_AREA: { + BL::AreaLamp b_area_lamp(b_lamp); + light->size = 1.0f; + light->axisu = make_float3(tfm.x.x, tfm.y.x, tfm.z.x); + light->axisv = make_float3(tfm.x.y, tfm.y.y, tfm.z.y); + light->sizeu = b_area_lamp.size(); + if(b_area_lamp.shape() == BL::AreaLamp::shape_RECTANGLE) + light->sizev = b_area_lamp.size_y(); + else + light->sizev = light->sizeu; + light->type = LIGHT_AREA; + break; + } + } + + /* location and (inverted!) direction */ + light->co = make_float3(tfm.x.w, tfm.y.w, tfm.z.w); + light->dir = -make_float3(tfm.x.z, tfm.y.z, tfm.z.z); + + /* shader */ + vector<uint> used_shaders; + + find_shader(b_lamp, used_shaders); + + if(used_shaders.size() == 0) + used_shaders.push_back(scene->default_light); + + light->shader = used_shaders[0]; + + /* shadow */ + PointerRNA clamp = RNA_pointer_get(&b_lamp.ptr, "cycles"); + light->cast_shadow = get_boolean(clamp, "cast_shadow"); + + /* tag */ + light->tag_update(scene); +} + +/* Object */ + +void BlenderSync::sync_object(BL::Object b_parent, int b_index, BL::Object b_ob, Transform& tfm, uint visibility) +{ + /* light is handled separately */ + if(object_is_light(b_ob)) { + sync_light(b_parent, b_index, b_ob, tfm); + return; + } + + /* only interested in object that we can create meshes from */ + if(!object_is_mesh(b_ob)) + return; + + /* test if we need to sync */ + ObjectKey key(b_parent, b_index, b_ob); + Object *object; + bool object_updated = false; + + /* object sync */ + if(object_map.sync(&object, b_ob, b_parent, key)) { + object->name = b_ob.name().c_str(); + object->tfm = tfm; + + object->visibility = object_ray_visibility(b_ob) & visibility; + if(b_parent.ptr.data != b_ob.ptr.data) + object->visibility &= object_ray_visibility(b_parent); + + object->tag_update(scene); + object_updated = true; + } + + /* mesh sync */ + object->mesh = sync_mesh(b_ob, object_updated); +} + +/* Object Loop */ + +void BlenderSync::sync_objects(BL::SpaceView3D b_v3d) +{ + /* layer data */ + uint scene_layer = render_layer.scene_layer; + uint layer = render_layer.layer; + + /* prepare for sync */ + light_map.pre_sync(); + mesh_map.pre_sync(); + object_map.pre_sync(); + mesh_synced.clear(); + + /* object loop */ + BL::Scene::objects_iterator b_ob; + + for(b_scene.objects.begin(b_ob); b_ob != b_scene.objects.end(); ++b_ob) { + bool hide = (b_v3d)? b_ob->hide(): b_ob->hide_render(); + uint ob_layer = get_layer(b_ob->layers()); + + if(!hide && (ob_layer & scene_layer)) { + uint visibility = PATH_RAY_ALL; + + if(!(ob_layer & layer)) + visibility &= ~PATH_RAY_CAMERA; + + if(b_ob->is_duplicator()) { + /* dupli objects */ + object_create_duplilist(*b_ob, b_scene); + + BL::Object::dupli_list_iterator b_dup; + int b_index = 0; + + for(b_ob->dupli_list.begin(b_dup); b_dup != b_ob->dupli_list.end(); ++b_dup) { + Transform tfm = get_transform(b_dup->matrix()); + sync_object(*b_ob, b_index, b_dup->object(), tfm, visibility); + b_index++; + } + + object_free_duplilist(*b_ob); + } + else { + /* object itself */ + Transform tfm = get_transform(b_ob->matrix_world()); + sync_object(*b_ob, 0, *b_ob, tfm, visibility); + } + } + } + + /* handle removed data and modified pointers */ + if(light_map.post_sync()) + scene->light_manager->tag_update(scene); + if(mesh_map.post_sync()) + scene->mesh_manager->tag_update(scene); + if(object_map.post_sync()) + scene->object_manager->tag_update(scene); + mesh_synced.clear(); +} + +CCL_NAMESPACE_END + |