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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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.
*
* Contributor(s): Dalai Felinto
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/blenkernel/intern/layer.c
* \ingroup bke
*/
#include <string.h>
#include "BLI_array.h"
#include "BLI_listbase.h"
#include "BLI_string.h"
#include "BLI_string_utf8.h"
#include "BLI_string_utils.h"
#include "BLT_translation.h"
#include "BKE_collection.h"
#include "BKE_freestyle.h"
#include "BKE_global.h"
#include "BKE_group.h"
#include "BKE_idprop.h"
#include "BKE_layer.h"
#include "BKE_main.h"
#include "BKE_node.h"
#include "BKE_workspace.h"
#include "BKE_object.h"
#include "DNA_group_types.h"
#include "DNA_ID.h"
#include "DNA_layer_types.h"
#include "DNA_object_types.h"
#include "DNA_node_types.h"
#include "DNA_scene_types.h"
#include "DNA_windowmanager_types.h"
#include "DNA_workspace_types.h"
#include "DEG_depsgraph.h"
#include "DEG_depsgraph_debug.h"
#include "DEG_depsgraph_query.h"
#include "DRW_engine.h"
#include "MEM_guardedalloc.h"
/* prototype */
struct EngineSettingsCB_Type;
static void layer_collections_sync_flags(ListBase *layer_collections_dst, const ListBase *layer_collections_src);
static void layer_collection_free(ViewLayer *view_layer, LayerCollection *lc);
static void layer_collection_objects_populate(ViewLayer *view_layer, LayerCollection *lc, ListBase *objects);
static LayerCollection *layer_collection_add(ViewLayer *view_layer, LayerCollection *parent, SceneCollection *sc);
static LayerCollection *find_layer_collection_by_scene_collection(LayerCollection *lc, const SceneCollection *sc);
static IDProperty *collection_engine_settings_create(struct EngineSettingsCB_Type *ces_type, const bool populate);
static IDProperty *collection_engine_get(IDProperty *root, const int type, const char *engine_name);
static void collection_engine_settings_init(IDProperty *root, const bool populate);
static void layer_engine_settings_init(IDProperty *root, const bool populate);
static void object_bases_iterator_next(BLI_Iterator *iter, const int flag);
/* RenderLayer */
/* Returns the default view layer to view in workspaces if there is
* none linked to the workspace yet. */
ViewLayer *BKE_view_layer_default_view(const Scene *scene)
{
/* TODO: it makes more sense to have the Viewport layer as the default,
* but this breaks view layer tests so change it later. */
#if 0
for (ViewLayer *view_layer = scene->view_layers.first; view_layer; view_layer = view_layer->next) {
if (!(view_layer->flag & VIEW_LAYER_RENDER)) {
return view_layer;
}
}
BLI_assert(scene->view_layers.first);
return scene->view_layers.first;
#else
return BKE_view_layer_default_render(scene);
#endif
}
/* Returns the default view layer to render if we need to render just one. */
ViewLayer *BKE_view_layer_default_render(const Scene *scene)
{
for (ViewLayer *view_layer = scene->view_layers.first; view_layer; view_layer = view_layer->next) {
if (view_layer->flag & VIEW_LAYER_RENDER) {
return view_layer;
}
}
BLI_assert(scene->view_layers.first);
return scene->view_layers.first;
}
/**
* Returns the ViewLayer to be used for drawing, outliner, and other context related areas.
*/
ViewLayer *BKE_view_layer_from_workspace_get(const struct Scene *scene, const struct WorkSpace *workspace)
{
return BKE_workspace_view_layer_get(workspace, scene);
}
/**
* This is a placeholder to know which areas of the code need to be addressed for the Workspace changes.
* Never use this, you should either use BKE_view_layer_from_workspace_get or get ViewLayer explicitly.
*/
ViewLayer *BKE_view_layer_context_active_PLACEHOLDER(const Scene *scene)
{
BLI_assert(scene->view_layers.first);
return scene->view_layers.first;
}
static ViewLayer *view_layer_add(const char *name, SceneCollection *master_scene_collection)
{
if (!name) {
name = DATA_("View Layer");
}
IDPropertyTemplate val = {0};
ViewLayer *view_layer = MEM_callocN(sizeof(ViewLayer), "View Layer");
view_layer->flag = VIEW_LAYER_RENDER | VIEW_LAYER_FREESTYLE;
view_layer->properties = IDP_New(IDP_GROUP, &val, ROOT_PROP);
layer_engine_settings_init(view_layer->properties, false);
BLI_strncpy_utf8(view_layer->name, name, sizeof(view_layer->name));
/* Link the master collection by default. */
layer_collection_add(view_layer, NULL, master_scene_collection);
/* Pure rendering pipeline settings. */
view_layer->layflag = 0x7FFF; /* solid ztra halo edge strand */
view_layer->passflag = SCE_PASS_COMBINED | SCE_PASS_Z;
view_layer->pass_alpha_threshold = 0.5f;
BKE_freestyle_config_init(&view_layer->freestyle_config);
return view_layer;
}
/**
* Add a new view layer
* by default, a view layer has the master collection
*/
ViewLayer *BKE_view_layer_add(Scene *scene, const char *name)
{
SceneCollection *sc = BKE_collection_master(&scene->id);
ViewLayer *view_layer = view_layer_add(name, sc);
BLI_addtail(&scene->view_layers, view_layer);
/* unique name */
BLI_uniquename(
&scene->view_layers, view_layer, DATA_("ViewLayer"), '.',
offsetof(ViewLayer, name), sizeof(view_layer->name));
return view_layer;
}
/**
* Add a ViewLayer for a Group
* It should be added only once
*/
ViewLayer *BKE_view_layer_group_add(Group *group)
{
BLI_assert(group->view_layer == NULL);
SceneCollection *sc = BKE_collection_master(&group->id);
ViewLayer *view_layer = view_layer_add(group->id.name + 2, sc);
return view_layer;
}
void BKE_view_layer_free(ViewLayer *view_layer)
{
BKE_view_layer_free_ex(view_layer, true);
}
/**
* Free (or release) any data used by this ViewLayer.
*/
void BKE_view_layer_free_ex(ViewLayer *view_layer, const bool do_id_user)
{
view_layer->basact = NULL;
for (Base *base = view_layer->object_bases.first; base; base = base->next) {
if (base->collection_properties) {
IDP_FreeProperty(base->collection_properties);
MEM_freeN(base->collection_properties);
}
}
BLI_freelistN(&view_layer->object_bases);
for (LayerCollection *lc = view_layer->layer_collections.first; lc; lc = lc->next) {
layer_collection_free(NULL, lc);
}
BLI_freelistN(&view_layer->layer_collections);
if (view_layer->properties) {
IDP_FreeProperty(view_layer->properties);
MEM_freeN(view_layer->properties);
}
if (view_layer->properties_evaluated) {
IDP_FreeProperty(view_layer->properties_evaluated);
MEM_freeN(view_layer->properties_evaluated);
}
for (ViewLayerEngineData *sled = view_layer->drawdata.first; sled; sled = sled->next) {
if (sled->storage) {
if (sled->free) {
sled->free(sled->storage);
}
MEM_freeN(sled->storage);
}
}
BLI_freelistN(&view_layer->drawdata);
MEM_SAFE_FREE(view_layer->stats);
BKE_freestyle_config_free(&view_layer->freestyle_config, do_id_user);
if (view_layer->id_properties) {
IDP_FreeProperty(view_layer->id_properties);
MEM_freeN(view_layer->id_properties);
}
MEM_SAFE_FREE(view_layer->object_bases_array);
MEM_freeN(view_layer);
}
/**
* Tag all the selected objects of a renderlayer
*/
void BKE_view_layer_selected_objects_tag(ViewLayer *view_layer, const int tag)
{
for (Base *base = view_layer->object_bases.first; base; base = base->next) {
if ((base->flag & BASE_SELECTED) != 0) {
base->object->flag |= tag;
}
else {
base->object->flag &= ~tag;
}
}
}
/**
* Return the first ViewLayer for a given id
*/
ViewLayer *BKE_view_layer_first_from_id(const ID *owner_id)
{
switch (GS(owner_id->name)) {
case ID_SCE:
return ((Scene *)owner_id)->view_layers.first;
case ID_GR:
return ((Group *)owner_id)->view_layer;
default:
BLI_assert(!"ID doesn't support view layers");
return NULL;
}
}
static bool find_scene_collection_in_scene_collections(ListBase *lb, const LayerCollection *lc)
{
for (LayerCollection *lcn = lb->first; lcn; lcn = lcn->next) {
if (lcn == lc) {
return true;
}
if (find_scene_collection_in_scene_collections(&lcn->layer_collections, lc)) {
return true;
}
}
return false;
}
/**
* Fallback for when a Scene has no camera to use
*
* \param view_layer: in general you want to use the same ViewLayer that is used
* for depsgraph. If rendering you pass the scene active layer, when viewing in the viewport
* you want to get ViewLayer from context.
*/
Object *BKE_view_layer_camera_find(ViewLayer *view_layer)
{
for (Base *base = view_layer->object_bases.first; base; base = base->next) {
if (base->object->type == OB_CAMERA) {
return base->object;
}
}
return NULL;
}
/**
* Find the ViewLayer a LayerCollection belongs to
*/
ViewLayer *BKE_view_layer_find_from_collection(const ID *owner_id, LayerCollection *lc)
{
switch (GS(owner_id->name)) {
case ID_GR:
return ((Group *)owner_id)->view_layer;
case ID_SCE:
{
Scene *scene = (Scene *)owner_id;
for (ViewLayer *view_layer = scene->view_layers.first; view_layer; view_layer = view_layer->next) {
if (find_scene_collection_in_scene_collections(&view_layer->layer_collections, lc)) {
return view_layer;
}
}
return NULL;
}
default:
BLI_assert(!"ID doesn't support scene layers");
return NULL;
}
}
/* Base */
Base *BKE_view_layer_base_find(ViewLayer *view_layer, Object *ob)
{
return BLI_findptr(&view_layer->object_bases, ob, offsetof(Base, object));
}
void BKE_view_layer_base_deselect_all(ViewLayer *view_layer)
{
Base *base;
for (base = view_layer->object_bases.first; base; base = base->next) {
base->flag &= ~BASE_SELECTED;
}
}
void BKE_view_layer_base_select(struct ViewLayer *view_layer, Base *selbase)
{
view_layer->basact = selbase;
if ((selbase->flag & BASE_SELECTABLED) != 0) {
selbase->flag |= BASE_SELECTED;
}
}
/****************************************************************************/
/* Copying functions for datablocks that use ViewLayer/SceneCollection */
/* Find the equivalent SceneCollection in the new tree */
static SceneCollection *scene_collection_from_new_tree(
SceneCollection *sc_reference, SceneCollection *sc_dst, SceneCollection *sc_src)
{
if (sc_src == sc_reference) {
return sc_dst;
}
for (SceneCollection *nsc_src = sc_src->scene_collections.first, *nsc_dst = sc_dst->scene_collections.first;
nsc_src;
nsc_src = nsc_src->next, nsc_dst = nsc_dst->next)
{
SceneCollection *found = scene_collection_from_new_tree(sc_reference, nsc_dst, nsc_src);
if (found != NULL) {
return found;
}
}
return NULL;
}
static void layer_collection_sync_flags(
LayerCollection *layer_collection_dst,
const LayerCollection *layer_collection_src)
{
layer_collection_dst->flag = layer_collection_src->flag;
if (layer_collection_dst->properties != NULL) {
IDP_FreeProperty(layer_collection_dst->properties);
MEM_SAFE_FREE(layer_collection_dst->properties);
}
if (layer_collection_src->properties != NULL) {
layer_collection_dst->properties = IDP_CopyProperty(layer_collection_src->properties);
}
layer_collections_sync_flags(&layer_collection_dst->layer_collections,
&layer_collection_src->layer_collections);
}
static void layer_collections_sync_flags(ListBase *layer_collections_dst, const ListBase *layer_collections_src)
{
BLI_assert(BLI_listbase_count(layer_collections_dst) == BLI_listbase_count(layer_collections_src));
LayerCollection *layer_collection_dst = (LayerCollection *)layer_collections_dst->first;
const LayerCollection *layer_collection_src = (const LayerCollection *)layer_collections_src->first;
while (layer_collection_dst != NULL) {
layer_collection_sync_flags(layer_collection_dst, layer_collection_src);
layer_collection_dst = layer_collection_dst->next;
layer_collection_src = layer_collection_src->next;
}
}
static bool layer_collection_sync_if_match(
ListBase *lb,
const SceneCollection *scene_collection_dst,
const SceneCollection *scene_collection_src)
{
for (LayerCollection *layer_collection = lb->first;
layer_collection;
layer_collection = layer_collection->next)
{
if (layer_collection->scene_collection == scene_collection_src) {
LayerCollection *layer_collection_dst =
BLI_findptr(
lb,
scene_collection_dst,
offsetof(LayerCollection, scene_collection));
if (layer_collection_dst != NULL) {
layer_collection_sync_flags(layer_collection_dst, layer_collection);
}
return true;
}
else {
if (layer_collection_sync_if_match(
&layer_collection->layer_collections,
scene_collection_dst,
scene_collection_src))
{
return true;
}
}
}
return false;
}
/**
* Sync sibling collections across all view layers
*
* Make sure every linked instance of \a scene_collection_dst has the same values
* (flags, overrides, ...) as the corresponding scene_collection_src.
*
* \note expect scene_collection_dst to be scene_collection_src->next, and it also
* expects both collections to have the same ammount of sub-collections.
*/
void BKE_layer_collection_sync_flags(
ID *owner_id,
SceneCollection *scene_collection_dst,
SceneCollection *scene_collection_src)
{
for (ViewLayer *view_layer = BKE_view_layer_first_from_id(owner_id); view_layer; view_layer = view_layer->next) {
for (LayerCollection *layer_collection = view_layer->layer_collections.first;
layer_collection;
layer_collection = layer_collection->next)
{
layer_collection_sync_if_match(
&layer_collection->layer_collections,
scene_collection_dst,
scene_collection_src);
}
}
}
/* recreate the LayerCollection tree */
static void layer_collections_recreate(
ViewLayer *view_layer_dst, ListBase *lb_src, SceneCollection *mc_dst, SceneCollection *mc_src)
{
for (LayerCollection *lc_src = lb_src->first; lc_src; lc_src = lc_src->next) {
SceneCollection *sc_dst = scene_collection_from_new_tree(lc_src->scene_collection, mc_dst, mc_src);
BLI_assert(sc_dst);
/* instead of synchronizing both trees we simply re-create it */
BKE_collection_link(view_layer_dst, sc_dst);
}
}
/**
* Only copy internal data of ViewLayer from source to already allocated/initialized destination.
*
* \param mc_src Master Collection the source ViewLayer links in.
* \param mc_dst Master Collection the destination ViewLayer links in.
* \param flag Copying options (see BKE_library.h's LIB_ID_COPY_... flags for more).
*/
void BKE_view_layer_copy_data(
ViewLayer *view_layer_dst, ViewLayer *view_layer_src, SceneCollection *mc_dst, SceneCollection *mc_src,
const int flag)
{
IDPropertyTemplate val = {0};
if (view_layer_dst->id_properties != NULL) {
view_layer_dst->id_properties = IDP_CopyProperty_ex(view_layer_dst->id_properties, flag);
}
BKE_freestyle_config_copy(&view_layer_dst->freestyle_config, &view_layer_src->freestyle_config, flag);
view_layer_dst->stats = NULL;
view_layer_dst->properties_evaluated = NULL;
view_layer_dst->properties = IDP_New(IDP_GROUP, &val, ROOT_PROP);
IDP_MergeGroup_ex(view_layer_dst->properties, view_layer_src->properties, true, flag);
/* we start fresh with no overrides and no visibility flags set
* instead of syncing both trees we simply unlink and relink the scene collection */
BLI_listbase_clear(&view_layer_dst->layer_collections);
BLI_listbase_clear(&view_layer_dst->object_bases);
BLI_listbase_clear(&view_layer_dst->drawdata);
layer_collections_recreate(view_layer_dst, &view_layer_src->layer_collections, mc_dst, mc_src);
/* Now we handle the syncing for visibility, selectability, ... */
layer_collections_sync_flags(&view_layer_dst->layer_collections, &view_layer_src->layer_collections);
Object *active_ob = OBACT(view_layer_src);
for (Base *base_src = view_layer_src->object_bases.first, *base_dst = view_layer_dst->object_bases.first;
base_src;
base_src = base_src->next, base_dst = base_dst->next)
{
base_dst->flag = base_src->flag;
base_dst->flag_legacy = base_src->flag_legacy;
if (base_dst->object == active_ob) {
view_layer_dst->basact = base_dst;
}
}
view_layer_dst->object_bases_array = NULL;
}
/**
* Find and return the ListBase of LayerCollection that has \a lc_child as one of its directly
* nested LayerCollection.
*
* \param lb_parent Initial ListBase of LayerCollection to look into recursively
* usually the view layer's collection list
*/
static ListBase *find_layer_collection_parent_list_base(ListBase *lb_parent, const LayerCollection *lc_child)
{
for (LayerCollection *lc_nested = lb_parent->first; lc_nested; lc_nested = lc_nested->next) {
if (lc_nested == lc_child) {
return lb_parent;
}
ListBase *found = find_layer_collection_parent_list_base(&lc_nested->layer_collections, lc_child);
if (found != NULL) {
return found;
}
}
return NULL;
}
/**
* Makes a shallow copy of a LayerCollection
*
* Add a new collection in the same level as the old one (linking if necessary),
* and copy all the collection data across them.
*/
struct LayerCollection *BKE_layer_collection_duplicate(struct ID *owner_id, struct LayerCollection *layer_collection)
{
SceneCollection *scene_collection, *scene_collection_new;
scene_collection = layer_collection->scene_collection;
scene_collection_new = BKE_collection_duplicate(owner_id, scene_collection);
LayerCollection *layer_collection_new = NULL;
/* If the original layer_collection was directly linked to the view layer
we need to link the new scene collection here as well. */
for (ViewLayer *view_layer = BKE_view_layer_first_from_id(owner_id); view_layer; view_layer = view_layer->next) {
if (BLI_findindex(&view_layer->layer_collections, layer_collection) != -1) {
layer_collection_new = BKE_collection_link(view_layer, scene_collection_new);
layer_collection_sync_flags(layer_collection_new, layer_collection);
if (layer_collection_new != layer_collection->next) {
BLI_remlink(&view_layer->layer_collections, layer_collection_new);
BLI_insertlinkafter(&view_layer->layer_collections, layer_collection, layer_collection_new);
}
break;
}
}
/* Otherwise just try to find the corresponding layer collection to return it back. */
if (layer_collection_new == NULL) {
for (ViewLayer *view_layer = BKE_view_layer_first_from_id(owner_id); view_layer; view_layer = view_layer->next) {
ListBase *layer_collections_parent;
layer_collections_parent = find_layer_collection_parent_list_base(
&view_layer->layer_collections,
layer_collection);
if (layer_collections_parent != NULL) {
layer_collection_new = BLI_findptr(
layer_collections_parent,
scene_collection_new,
offsetof(LayerCollection, scene_collection));
break;
}
}
}
return layer_collection_new;
}
static void view_layer_object_base_unref(ViewLayer *view_layer, Base *base)
{
base->refcount--;
/* It only exists in the RenderLayer */
if (base->refcount == 0) {
if (view_layer->basact == base) {
view_layer->basact = NULL;
}
if (base->collection_properties) {
IDP_FreeProperty(base->collection_properties);
MEM_freeN(base->collection_properties);
}
BLI_remlink(&view_layer->object_bases, base);
MEM_freeN(base);
}
}
/**
* Return the base if existent, or create it if necessary
* Always bump the refcount
*/
static Base *object_base_add(ViewLayer *view_layer, Object *ob)
{
Base *base;
base = BKE_view_layer_base_find(view_layer, ob);
if (base == NULL) {
base = MEM_callocN(sizeof(Base), "Object Base");
/* Do not bump user count, leave it for SceneCollections. */
base->object = ob;
BLI_addtail(&view_layer->object_bases, base);
IDPropertyTemplate val = {0};
base->collection_properties = IDP_New(IDP_GROUP, &val, ROOT_PROP);
}
base->refcount++;
return base;
}
/* LayerCollection */
static void layer_collection_objects_unpopulate(ViewLayer *view_layer, LayerCollection *lc)
{
if (view_layer) {
for (LinkData *link = lc->object_bases.first; link; link = link->next) {
view_layer_object_base_unref(view_layer, link->data);
}
}
BLI_freelistN(&lc->object_bases);
}
/**
* When freeing the entire ViewLayer at once we don't bother with unref
* otherwise ViewLayer is passed to keep the syncing of the LayerCollection tree
*/
static void layer_collection_free(ViewLayer *view_layer, LayerCollection *lc)
{
layer_collection_objects_unpopulate(view_layer, lc);
BLI_freelistN(&lc->overrides);
if (lc->properties) {
IDP_FreeProperty(lc->properties);
MEM_freeN(lc->properties);
}
if (lc->properties_evaluated) {
IDP_FreeProperty(lc->properties_evaluated);
MEM_freeN(lc->properties_evaluated);
}
for (LayerCollection *nlc = lc->layer_collections.first; nlc; nlc = nlc->next) {
layer_collection_free(view_layer, nlc);
}
BLI_freelistN(&lc->layer_collections);
}
/**
* Free (or release) LayerCollection from ViewLayer
* (does not free the LayerCollection itself).
*/
void BKE_layer_collection_free(ViewLayer *view_layer, LayerCollection *lc)
{
layer_collection_free(view_layer, lc);
}
/* LayerCollection */
/**
* Recursively get the collection for a given index
*/
static LayerCollection *collection_from_index(ListBase *lb, const int number, int *i)
{
for (LayerCollection *lc = lb->first; lc; lc = lc->next) {
if (*i == number) {
return lc;
}
(*i)++;
LayerCollection *lc_nested = collection_from_index(&lc->layer_collections, number, i);
if (lc_nested) {
return lc_nested;
}
}
return NULL;
}
/**
* Get the collection for a given index
*/
LayerCollection *BKE_layer_collection_from_index(ViewLayer *view_layer, const int index)
{
int i = 0;
return collection_from_index(&view_layer->layer_collections, index, &i);
}
/**
* Get the active collection
*/
LayerCollection *BKE_layer_collection_get_active(ViewLayer *view_layer)
{
int i = 0;
return collection_from_index(&view_layer->layer_collections, view_layer->active_collection, &i);
}
/**
* Return layer collection to add new object(s).
* Create one if none exists.
*/
LayerCollection *BKE_layer_collection_get_active_ensure(Scene *scene, ViewLayer *view_layer)
{
LayerCollection *lc = BKE_layer_collection_get_active(view_layer);
if (lc == NULL) {
BLI_assert(BLI_listbase_is_empty(&view_layer->layer_collections));
/* When there is no collection linked to this ViewLayer, create one. */
SceneCollection *sc = BKE_collection_add(&scene->id, NULL, COLLECTION_TYPE_NONE, NULL);
lc = BKE_collection_link(view_layer, sc);
/* New collection has to be the active one. */
BLI_assert(lc == BKE_layer_collection_get_active(view_layer));
}
return lc;
}
/**
* Recursively get the count of collections
*/
static int collection_count(ListBase *lb)
{
int i = 0;
for (LayerCollection *lc = lb->first; lc; lc = lc->next) {
i += collection_count(&lc->layer_collections) + 1;
}
return i;
}
/**
* Get the total number of collections
* (including all the nested collections)
*/
int BKE_layer_collection_count(ViewLayer *view_layer)
{
return collection_count(&view_layer->layer_collections);
}
/**
* Recursively get the index for a given collection
*/
static int index_from_collection(ListBase *lb, const LayerCollection *lc, int *i)
{
for (LayerCollection *lcol = lb->first; lcol; lcol = lcol->next) {
if (lcol == lc) {
return *i;
}
(*i)++;
int i_nested = index_from_collection(&lcol->layer_collections, lc, i);
if (i_nested != -1) {
return i_nested;
}
}
return -1;
}
/**
* Return -1 if not found
*/
int BKE_layer_collection_findindex(ViewLayer *view_layer, const LayerCollection *lc)
{
int i = 0;
return index_from_collection(&view_layer->layer_collections, lc, &i);
}
/**
* Lookup the listbase that contains \a lc.
*/
static ListBase *layer_collection_listbase_find(ListBase *lb, LayerCollection *lc)
{
for (LayerCollection *lc_iter = lb->first; lc_iter; lc_iter = lc_iter->next) {
if (lc_iter == lc) {
return lb;
}
ListBase *lb_child_result;
if ((lb_child_result = layer_collection_listbase_find(&lc_iter->layer_collections, lc))) {
return lb_child_result;
}
}
return NULL;
}
#if 0
/**
* Lookup the listbase that contains \a sc.
*/
static ListBase *scene_collection_listbase_find(ListBase *lb, SceneCollection *sc)
{
for (SceneCollection *sc_iter = lb->first; sc_iter; sc_iter = sc_iter->next) {
if (sc_iter == sc) {
return lb;
}
ListBase *lb_child_result;
if ((lb_child_result = scene_collection_listbase_find(&sc_iter->scene_collections, sc))) {
return lb_child_result;
}
}
return NULL;
}
#endif
/* ---------------------------------------------------------------------- */
/* Outliner drag and drop */
/**
* Nest a LayerCollection into another one
* Both collections must be from the same ViewLayer, return true if succeded.
*
* The LayerCollection will effectively be moved into the
* new (nested) position. So all the settings, overrides, ... go with it, and
* if the collection was directly linked to the ViewLayer it's then unlinked.
*
* For the other ViewLayers we simply resync the tree, without changing directly
* linked collections (even if they link to the same SceneCollection)
*
* \param lc_src LayerCollection to nest into \a lc_dst
* \param lc_dst LayerCollection to have \a lc_src inserted into
*/
static void layer_collection_swap(
ViewLayer *view_layer, ListBase *lb_a, ListBase *lb_b,
LayerCollection *lc_a, LayerCollection *lc_b)
{
if (lb_a == NULL) {
lb_a = layer_collection_listbase_find(&view_layer->layer_collections, lc_a);
}
if (lb_b == NULL) {
lb_b = layer_collection_listbase_find(&view_layer->layer_collections, lc_b);
}
BLI_assert(lb_a);
BLI_assert(lb_b);
BLI_listbases_swaplinks(lb_a, lb_b, lc_a, lc_b);
}
/**
* Move \a lc_src into \a lc_dst. Both have to be stored in \a view_layer.
* If \a lc_src is directly linked to the ViewLayer it's unlinked
*/
bool BKE_layer_collection_move_into(const ID *owner_id, LayerCollection *lc_dst, LayerCollection *lc_src)
{
ViewLayer *view_layer = BKE_view_layer_find_from_collection(owner_id, lc_src);
bool is_directly_linked = false;
if ((!view_layer) || (view_layer != BKE_view_layer_find_from_collection(owner_id, lc_dst))) {
return false;
}
/* We can't nest the collection into itself */
if (lc_src->scene_collection == lc_dst->scene_collection) {
return false;
}
/* Collection is already where we wanted it to be */
if (lc_dst->layer_collections.last == lc_src) {
return false;
}
/* Collection is already where we want it to be in the scene tree
* but we want to swap it in the layer tree still */
if (lc_dst->scene_collection->scene_collections.last == lc_src->scene_collection) {
LayerCollection *lc_swap = lc_dst->layer_collections.last;
layer_collection_swap(view_layer, &lc_dst->layer_collections, NULL, lc_dst->layer_collections.last, lc_src);
if (BLI_findindex(&view_layer->layer_collections, lc_swap) != -1) {
BKE_collection_unlink(view_layer, lc_swap);
}
return true;
}
else {
LayerCollection *lc_temp;
is_directly_linked = BLI_findindex(&view_layer->layer_collections, lc_src) != -1;
if (!is_directly_linked) {
/* lc_src will be invalid after BKE_collection_move_into!
* so we swap it with lc_temp to preserve its settings */
lc_temp = BKE_collection_link(view_layer, lc_src->scene_collection);
layer_collection_swap(view_layer, &view_layer->layer_collections, NULL, lc_temp, lc_src);
}
if (!BKE_collection_move_into(owner_id, lc_dst->scene_collection, lc_src->scene_collection)) {
if (!is_directly_linked) {
/* Swap back and remove */
layer_collection_swap(view_layer, NULL, NULL, lc_temp, lc_src);
BKE_collection_unlink(view_layer, lc_temp);
}
return false;
}
}
LayerCollection *lc_new = BLI_findptr(
&lc_dst->layer_collections, lc_src->scene_collection, offsetof(LayerCollection, scene_collection));
BLI_assert(lc_new);
layer_collection_swap(view_layer, &lc_dst->layer_collections, NULL, lc_new, lc_src);
/* If it's directly linked, unlink it after the swap */
if (BLI_findindex(&view_layer->layer_collections, lc_new) != -1) {
BKE_collection_unlink(view_layer, lc_new);
}
return true;
}
/**
* Move \a lc_src above \a lc_dst. Both have to be stored in \a view_layer.
* If \a lc_src is directly linked to the ViewLayer it's unlinked
*/
bool BKE_layer_collection_move_above(const ID *owner_id, LayerCollection *lc_dst, LayerCollection *lc_src)
{
ViewLayer *view_layer = BKE_view_layer_find_from_collection(owner_id, lc_src);
const bool is_directly_linked_src = BLI_findindex(&view_layer->layer_collections, lc_src) != -1;
const bool is_directly_linked_dst = BLI_findindex(&view_layer->layer_collections, lc_dst) != -1;
if ((!view_layer) || (view_layer != BKE_view_layer_find_from_collection(owner_id, lc_dst))) {
return false;
}
/* Collection is already where we wanted it to be */
if (lc_dst->prev == lc_src) {
return false;
}
/* Collection is already where we want it to be in the scene tree
* but we want to swap it in the layer tree still */
if (lc_dst->prev && lc_dst->prev->scene_collection == lc_src->scene_collection) {
LayerCollection *lc_swap = lc_dst->prev;
layer_collection_swap(view_layer, NULL, NULL, lc_dst->prev, lc_src);
if (BLI_findindex(&view_layer->layer_collections, lc_swap) != -1) {
BKE_collection_unlink(view_layer, lc_swap);
}
return true;
}
/* We don't allow to move above/below a directly linked collection
* unless the source collection is also directly linked */
else if (is_directly_linked_dst) {
/* Both directly linked to the ViewLayer, just need to swap */
if (is_directly_linked_src) {
BLI_remlink(&view_layer->layer_collections, lc_src);
BLI_insertlinkbefore(&view_layer->layer_collections, lc_dst, lc_src);
return true;
}
else {
return false;
}
}
else {
LayerCollection *lc_temp;
if (!is_directly_linked_src) {
/* lc_src will be invalid after BKE_collection_move_into!
* so we swap it with lc_temp to preserve its settings */
lc_temp = BKE_collection_link(view_layer, lc_src->scene_collection);
layer_collection_swap(view_layer, &view_layer->layer_collections, NULL, lc_temp, lc_src);
}
if (!BKE_collection_move_above(owner_id, lc_dst->scene_collection, lc_src->scene_collection)) {
if (!is_directly_linked_src) {
/* Swap back and remove */
layer_collection_swap(view_layer, NULL, NULL, lc_temp, lc_src);
BKE_collection_unlink(view_layer, lc_temp);
}
return false;
}
}
LayerCollection *lc_new = lc_dst->prev;
BLI_assert(lc_new);
layer_collection_swap(view_layer, NULL, NULL, lc_new, lc_src);
/* If it's directly linked, unlink it after the swap */
if (BLI_findindex(&view_layer->layer_collections, lc_new) != -1) {
BKE_collection_unlink(view_layer, lc_new);
}
return true;
}
/**
* Move \a lc_src below \a lc_dst. Both have to be stored in \a view_layer.
* If \a lc_src is directly linked to the ViewLayer it's unlinked
*/
bool BKE_layer_collection_move_below(const ID *owner_id, LayerCollection *lc_dst, LayerCollection *lc_src)
{
ViewLayer *view_layer = BKE_view_layer_find_from_collection(owner_id, lc_src);
const bool is_directly_linked_src = BLI_findindex(&view_layer->layer_collections, lc_src) != -1;
const bool is_directly_linked_dst = BLI_findindex(&view_layer->layer_collections, lc_dst) != -1;
if ((!view_layer) || (view_layer != BKE_view_layer_find_from_collection(owner_id, lc_dst))) {
return false;
}
/* Collection is already where we wanted it to be */
if (lc_dst->next == lc_src) {
return false;
}
/* Collection is already where we want it to be in the scene tree
* but we want to swap it in the layer tree still */
if (lc_dst->next && lc_dst->next->scene_collection == lc_src->scene_collection) {
LayerCollection *lc_swap = lc_dst->next;
layer_collection_swap(view_layer, NULL, NULL, lc_dst->next, lc_src);
if (BLI_findindex(&view_layer->layer_collections, lc_swap) != -1) {
BKE_collection_unlink(view_layer, lc_swap);
}
return true;
}
/* We don't allow to move above/below a directly linked collection
* unless the source collection is also directly linked */
else if (is_directly_linked_dst) {
/* Both directly linked to the ViewLayer, just need to swap */
if (is_directly_linked_src) {
BLI_remlink(&view_layer->layer_collections, lc_src);
BLI_insertlinkafter(&view_layer->layer_collections, lc_dst, lc_src);
return true;
}
else {
return false;
}
}
else {
LayerCollection *lc_temp;
if (!is_directly_linked_src) {
/* lc_src will be invalid after BKE_collection_move_into!
* so we swap it with lc_temp to preserve its settings */
lc_temp = BKE_collection_link(view_layer, lc_src->scene_collection);
layer_collection_swap(view_layer, &view_layer->layer_collections, NULL, lc_temp, lc_src);
}
if (!BKE_collection_move_below(owner_id, lc_dst->scene_collection, lc_src->scene_collection)) {
if (!is_directly_linked_src) {
/* Swap back and remove */
layer_collection_swap(view_layer, NULL, NULL, lc_temp, lc_src);
BKE_collection_unlink(view_layer, lc_temp);
}
return false;
}
}
LayerCollection *lc_new = lc_dst->next;
BLI_assert(lc_new);
layer_collection_swap(view_layer, NULL, NULL, lc_new, lc_src);
/* If it's directly linked, unlink it after the swap */
if (BLI_findindex(&view_layer->layer_collections, lc_new) != -1) {
BKE_collection_unlink(view_layer, lc_new);
}
return true;
}
static bool layer_collection_resync(ViewLayer *view_layer, LayerCollection *lc, const SceneCollection *sc)
{
if (lc->scene_collection == sc) {
ListBase collections = {NULL};
BLI_movelisttolist(&collections, &lc->layer_collections);
for (SceneCollection *sc_nested = sc->scene_collections.first; sc_nested; sc_nested = sc_nested->next) {
LayerCollection *lc_nested = BLI_findptr(&collections, sc_nested, offsetof(LayerCollection, scene_collection));
if (lc_nested) {
BLI_remlink(&collections, lc_nested);
BLI_addtail(&lc->layer_collections, lc_nested);
}
else {
layer_collection_add(view_layer, lc, sc_nested);
}
}
for (LayerCollection *lc_nested = collections.first; lc_nested; lc_nested = lc_nested->next) {
layer_collection_free(view_layer, lc_nested);
}
BLI_freelistN(&collections);
BLI_assert(BLI_listbase_count(&lc->layer_collections) ==
BLI_listbase_count(&sc->scene_collections));
return true;
}
for (LayerCollection *lc_nested = lc->layer_collections.first; lc_nested; lc_nested = lc_nested->next) {
if (layer_collection_resync(view_layer, lc_nested, sc)) {
return true;
}
}
return false;
}
/**
* Update the scene layers so that any LayerCollection that points
* to \a sc is re-synced again
*/
void BKE_layer_collection_resync(const ID *owner_id, const SceneCollection *sc)
{
for (ViewLayer *view_layer = BKE_view_layer_first_from_id(owner_id); view_layer; view_layer = view_layer->next) {
for (LayerCollection *lc = view_layer->layer_collections.first; lc; lc = lc->next) {
layer_collection_resync(view_layer, lc, sc);
}
}
}
/* ---------------------------------------------------------------------- */
/**
* Select all the objects of this layer collection
*
* It also select the objects that are in nested collections.
* \note Recursive
*/
void BKE_layer_collection_objects_select(struct LayerCollection *layer_collection)
{
if ((layer_collection->flag & COLLECTION_DISABLED) ||
((layer_collection->flag & COLLECTION_SELECTABLE) == 0))
{
return;
}
for (LinkData *link = layer_collection->object_bases.first; link; link = link->next) {
Base *base = link->data;
if (base->flag & BASE_SELECTABLED) {
base->flag |= BASE_SELECTED;
}
}
for (LayerCollection *iter = layer_collection->layer_collections.first; iter; iter = iter->next) {
BKE_layer_collection_objects_select(iter);
}
}
/* ---------------------------------------------------------------------- */
/**
* Link a collection to a renderlayer
* The collection needs to be created separately
*/
LayerCollection *BKE_collection_link(ViewLayer *view_layer, SceneCollection *sc)
{
LayerCollection *lc = layer_collection_add(view_layer, NULL, sc);
view_layer->active_collection = BKE_layer_collection_findindex(view_layer, lc);
return lc;
}
/**
* Unlink a collection base from a renderlayer
* The corresponding collection is not removed from the master collection
*/
void BKE_collection_unlink(ViewLayer *view_layer, LayerCollection *lc)
{
BKE_layer_collection_free(view_layer, lc);
BLI_remlink(&view_layer->layer_collections, lc);
MEM_freeN(lc);
view_layer->active_collection = 0;
}
/**
* Recursively enable nested collections
*/
static void layer_collection_enable(ViewLayer *view_layer, LayerCollection *lc)
{
layer_collection_objects_populate(view_layer, lc, &lc->scene_collection->objects);
for (LayerCollection *nlc = lc->layer_collections.first; nlc; nlc = nlc->next) {
layer_collection_enable(view_layer, nlc);
}
}
/**
* Enable collection
* Add its objects bases to ViewLayer
*
* Only around for doversion.
*/
void BKE_collection_enable(ViewLayer *view_layer, LayerCollection *lc)
{
if ((lc->flag & COLLECTION_DISABLED) == 0) {
return;
}
lc->flag &= ~COLLECTION_DISABLED;
layer_collection_enable(view_layer, lc);
}
static void layer_collection_object_add(ViewLayer *view_layer, LayerCollection *lc, Object *ob)
{
Base *base = object_base_add(view_layer, ob);
/* Only add an object once. */
if (BLI_findptr(&lc->object_bases, base, offsetof(LinkData, data))) {
return;
}
bool is_visible = ((lc->flag & COLLECTION_VIEWPORT) != 0) && ((lc->flag & COLLECTION_DISABLED) == 0);
bool is_selectable = is_visible && ((lc->flag & COLLECTION_SELECTABLE) != 0);
if (is_visible) {
base->flag |= BASE_VISIBLED;
}
if (is_selectable) {
base->flag |= BASE_SELECTABLED;
}
BLI_addtail(&lc->object_bases, BLI_genericNodeN(base));
}
static void layer_collection_object_remove(ViewLayer *view_layer, LayerCollection *lc, Object *ob)
{
Base *base;
base = BKE_view_layer_base_find(view_layer, ob);
LinkData *link = BLI_findptr(&lc->object_bases, base, offsetof(LinkData, data));
BLI_remlink(&lc->object_bases, link);
MEM_freeN(link);
view_layer_object_base_unref(view_layer, base);
}
static void layer_collection_objects_populate(ViewLayer *view_layer, LayerCollection *lc, ListBase *objects)
{
for (LinkData *link = objects->first; link; link = link->next) {
layer_collection_object_add(view_layer, lc, link->data);
}
}
static void layer_collection_populate(ViewLayer *view_layer, LayerCollection *lc, SceneCollection *sc)
{
layer_collection_objects_populate(view_layer, lc, &sc->objects);
for (SceneCollection *nsc = sc->scene_collections.first; nsc; nsc = nsc->next) {
layer_collection_add(view_layer, lc, nsc);
}
}
static LayerCollection *layer_collection_add(ViewLayer *view_layer, LayerCollection *parent, SceneCollection *sc)
{
IDPropertyTemplate val = {0};
LayerCollection *lc = MEM_callocN(sizeof(LayerCollection), "Collection Base");
lc->scene_collection = sc;
lc->flag = COLLECTION_SELECTABLE | COLLECTION_VIEWPORT | COLLECTION_RENDER;
lc->properties = IDP_New(IDP_GROUP, &val, ROOT_PROP);
collection_engine_settings_init(lc->properties, false);
if (parent != NULL) {
BLI_addtail(&parent->layer_collections, lc);
}
else {
BLI_addtail(&view_layer->layer_collections, lc);
}
layer_collection_populate(view_layer, lc, sc);
return lc;
}
/* ---------------------------------------------------------------------- */
/**
* Return the first matching LayerCollection in the ViewLayer for the SceneCollection.
*/
LayerCollection *BKE_layer_collection_first_from_scene_collection(ViewLayer *view_layer, const SceneCollection *scene_collection)
{
for (LayerCollection *layer_collection = view_layer->layer_collections.first;
layer_collection != NULL;
layer_collection = layer_collection->next)
{
LayerCollection *found = find_layer_collection_by_scene_collection(layer_collection, scene_collection);
if (found != NULL) {
return found;
}
}
return NULL;
}
/**
* See if view layer has the scene collection linked directly, or indirectly (nested)
*/
bool BKE_view_layer_has_collection(ViewLayer *view_layer, const SceneCollection *scene_collection)
{
return BKE_layer_collection_first_from_scene_collection(view_layer, scene_collection) != NULL;
}
/**
* See if the object is in any of the scene layers of the scene
*/
bool BKE_scene_has_object(Scene *scene, Object *ob)
{
for (ViewLayer *view_layer = scene->view_layers.first; view_layer; view_layer = view_layer->next) {
Base *base = BKE_view_layer_base_find(view_layer, ob);
if (base) {
return true;
}
}
return false;
}
/* ---------------------------------------------------------------------- */
/* Syncing */
static LayerCollection *find_layer_collection_by_scene_collection(LayerCollection *lc, const SceneCollection *sc)
{
if (lc->scene_collection == sc) {
return lc;
}
for (LayerCollection *nlc = lc->layer_collections.first; nlc; nlc = nlc->next) {
LayerCollection *found = find_layer_collection_by_scene_collection(nlc, sc);
if (found) {
return found;
}
}
return NULL;
}
/**
* Add a new LayerCollection for all the ViewLayers that have sc_parent
*/
void BKE_layer_sync_new_scene_collection(ID *owner_id, const SceneCollection *sc_parent, SceneCollection *sc)
{
for (ViewLayer *view_layer = BKE_view_layer_first_from_id(owner_id); view_layer; view_layer = view_layer->next) {
for (LayerCollection *lc = view_layer->layer_collections.first; lc; lc = lc->next) {
LayerCollection *lc_parent = find_layer_collection_by_scene_collection(lc, sc_parent);
if (lc_parent) {
layer_collection_add(view_layer, lc_parent, sc);
}
}
}
}
/**
* Add a corresponding ObjectBase to all the equivalent LayerCollection
*/
void BKE_layer_sync_object_link(const ID *owner_id, SceneCollection *sc, Object *ob)
{
for (ViewLayer *view_layer = BKE_view_layer_first_from_id(owner_id); view_layer; view_layer = view_layer->next) {
for (LayerCollection *lc = view_layer->layer_collections.first; lc; lc = lc->next) {
LayerCollection *found = find_layer_collection_by_scene_collection(lc, sc);
if (found) {
layer_collection_object_add(view_layer, found, ob);
}
}
}
}
/**
* Remove the equivalent object base to all layers that have this collection
*/
void BKE_layer_sync_object_unlink(const ID *owner_id, SceneCollection *sc, Object *ob)
{
for (ViewLayer *view_layer = BKE_view_layer_first_from_id(owner_id); view_layer; view_layer = view_layer->next) {
for (LayerCollection *lc = view_layer->layer_collections.first; lc; lc = lc->next) {
LayerCollection *found = find_layer_collection_by_scene_collection(lc, sc);
if (found) {
layer_collection_object_remove(view_layer, found, ob);
}
}
}
}
/* ---------------------------------------------------------------------- */
/* Override */
/**
* Add a new datablock override
*/
void BKE_override_view_layer_datablock_add(ViewLayer *view_layer, int id_type, const char *data_path, const ID *owner_id)
{
UNUSED_VARS(view_layer, id_type, data_path, owner_id);
TODO_LAYER_OVERRIDE;
}
/**
* Add a new int override
*/
void BKE_override_view_layer_int_add(ViewLayer *view_layer, int id_type, const char *data_path, const int value)
{
UNUSED_VARS(view_layer, id_type, data_path, value);
TODO_LAYER_OVERRIDE;
}
/**
* Add a new boolean override
*/
void BKE_override_layer_collection_boolean_add(struct LayerCollection *layer_collection, int id_type, const char *data_path, const bool value)
{
UNUSED_VARS(layer_collection, id_type, data_path, value);
TODO_LAYER_OVERRIDE;
}
/* ---------------------------------------------------------------------- */
/* Engine Settings */
ListBase R_layer_collection_engines_settings_callbacks = {NULL, NULL};
ListBase R_view_layer_engines_settings_callbacks = {NULL, NULL};
typedef struct EngineSettingsCB_Type {
struct EngineSettingsCB_Type *next, *prev;
char name[MAX_NAME]; /* engine name */
EngineSettingsCB callback;
} EngineSettingsCB_Type;
static void create_engine_settings_scene(IDProperty *root, EngineSettingsCB_Type *es_type)
{
if (collection_engine_get(root, COLLECTION_MODE_NONE, es_type->name)) {
return;
}
IDProperty *props = collection_engine_settings_create(es_type, true);
IDP_AddToGroup(root, props);
}
static void create_layer_collection_engine_settings_scene(Scene *scene, EngineSettingsCB_Type *es_type)
{
create_engine_settings_scene(scene->collection_properties, es_type);
}
static void create_view_layer_engine_settings_scene(Scene *scene, EngineSettingsCB_Type *es_type)
{
create_engine_settings_scene(scene->layer_properties, es_type);
}
static void create_layer_collection_engine_settings_collection(LayerCollection *lc, EngineSettingsCB_Type *es_type)
{
if (BKE_layer_collection_engine_collection_get(lc, COLLECTION_MODE_NONE, es_type->name)) {
return;
}
IDProperty *props = collection_engine_settings_create(es_type, false);
IDP_AddToGroup(lc->properties, props);
for (LayerCollection *lcn = lc->layer_collections.first; lcn; lcn = lcn->next) {
create_layer_collection_engine_settings_collection(lcn, es_type);
}
}
static void create_layer_collection_engines_settings_scene(Scene *scene, EngineSettingsCB_Type *es_type)
{
/* Populate the scene with the new settings. */
create_layer_collection_engine_settings_scene(scene, es_type);
for (ViewLayer *view_layer = scene->view_layers.first; view_layer; view_layer = view_layer->next) {
for (LayerCollection *lc = view_layer->layer_collections.first; lc; lc = lc->next) {
create_layer_collection_engine_settings_collection(lc, es_type);
}
}
}
static void create_view_layer_engines_settings_scene(Scene *scene, EngineSettingsCB_Type *es_type)
{
/* Populate the scene with the new settings. */
create_view_layer_engine_settings_scene(scene, es_type);
}
static void create_view_layer_engines_settings_layer(ViewLayer *view_layer, EngineSettingsCB_Type *es_type)
{
if (BKE_view_layer_engine_layer_get(view_layer, COLLECTION_MODE_NONE, es_type->name)) {
return;
}
IDProperty *props = collection_engine_settings_create(es_type, false);
IDP_AddToGroup(view_layer->properties, props);
}
static EngineSettingsCB_Type *engine_settings_callback_register(const char *engine_name, EngineSettingsCB func, ListBase *lb)
{
EngineSettingsCB_Type *es_type;
/* Cleanup in case it existed. */
es_type = BLI_findstring(lb, engine_name, offsetof(EngineSettingsCB_Type, name));
if (es_type) {
BLI_remlink(lb, es_type);
MEM_freeN(es_type);
}
es_type = MEM_callocN(sizeof(EngineSettingsCB_Type), __func__);
BLI_strncpy_utf8(es_type->name, engine_name, sizeof(es_type->name));
es_type->callback = func;
BLI_addtail(lb, es_type);
return es_type;
}
void BKE_layer_collection_engine_settings_callback_register(
Main *bmain, const char *engine_name, EngineSettingsCB func)
{
EngineSettingsCB_Type *es_type =
engine_settings_callback_register(engine_name, func, &R_layer_collection_engines_settings_callbacks);
if (bmain) {
/* Populate all of the collections of the scene with those settings. */
for (Scene *scene = bmain->scene.first; scene; scene = scene->id.next) {
create_layer_collection_engines_settings_scene(scene, es_type);
}
}
}
void BKE_view_layer_engine_settings_callback_register(
Main *bmain, const char *engine_name, EngineSettingsCB func)
{
EngineSettingsCB_Type *es_type =
engine_settings_callback_register(engine_name, func, &R_view_layer_engines_settings_callbacks);
if (bmain) {
/* Populate all of the collections of the scene with those settings. */
for (Scene *scene = bmain->scene.first; scene; scene = scene->id.next) {
create_view_layer_engines_settings_scene(scene, es_type);
for (ViewLayer *view_layer = scene->view_layers.first; view_layer; view_layer = view_layer->next) {
create_view_layer_engines_settings_layer(view_layer, es_type);
}
}
}
}
void BKE_layer_collection_engine_settings_callback_free(void)
{
BLI_freelistN(&R_layer_collection_engines_settings_callbacks);
}
void BKE_view_layer_engine_settings_callback_free(void)
{
BLI_freelistN(&R_view_layer_engines_settings_callbacks);
}
/**
* Create a root IDProperty for this engine
*
* \param populate whether we want to pre-fill the collection with the default properties
*/
static IDProperty *collection_engine_settings_create(EngineSettingsCB_Type *es_type, const bool populate)
{
IDProperty *props;
IDPropertyTemplate val = {0};
props = IDP_New(IDP_GROUP, &val, es_type->name);
props->subtype = IDP_GROUP_SUB_ENGINE_RENDER;
/* properties */
if (populate) {
es_type->callback(NULL, props);
}
return props;
}
static void layer_collection_create_mode_settings_object(IDProperty *root, const bool populate)
{
IDProperty *props;
IDPropertyTemplate val = {0};
props = IDP_New(IDP_GROUP, &val, "ObjectMode");
props->subtype = IDP_GROUP_SUB_MODE_OBJECT;
/* properties */
if (populate) {
OBJECT_collection_settings_create(props);
}
IDP_AddToGroup(root, props);
}
static void layer_collection_create_mode_settings_edit(IDProperty *root, const bool populate)
{
IDProperty *props;
IDPropertyTemplate val = {0};
props = IDP_New(IDP_GROUP, &val, "EditMode");
props->subtype = IDP_GROUP_SUB_MODE_EDIT;
/* properties */
if (populate) {
EDIT_MESH_collection_settings_create(props);
}
IDP_AddToGroup(root, props);
}
static void layer_collection_create_mode_settings_paint_weight(IDProperty *root, const bool populate)
{
IDProperty *props;
IDPropertyTemplate val = {0};
props = IDP_New(IDP_GROUP, &val, "WeightPaintMode");
props->subtype = IDP_GROUP_SUB_MODE_PAINT_WEIGHT;
/* properties */
if (populate) {
PAINT_WEIGHT_collection_settings_create(props);
}
IDP_AddToGroup(root, props);
}
static void layer_collection_create_mode_settings_paint_vertex(IDProperty *root, const bool populate)
{
IDProperty *props;
IDPropertyTemplate val = {0};
props = IDP_New(IDP_GROUP, &val, "VertexPaintMode");
props->subtype = IDP_GROUP_SUB_MODE_PAINT_VERTEX;
/* properties */
if (populate) {
PAINT_VERTEX_collection_settings_create(props);
}
IDP_AddToGroup(root, props);
}
static void layer_collection_create_render_settings(IDProperty *root, const bool populate)
{
EngineSettingsCB_Type *es_type;
for (es_type = R_layer_collection_engines_settings_callbacks.first; es_type; es_type = es_type->next) {
IDProperty *props = collection_engine_settings_create(es_type, populate);
IDP_AddToGroup(root, props);
}
}
static void view_layer_create_render_settings(IDProperty *root, const bool populate)
{
EngineSettingsCB_Type *es_type;
for (es_type = R_view_layer_engines_settings_callbacks.first; es_type; es_type = es_type->next) {
IDProperty *props = collection_engine_settings_create(es_type, populate);
IDP_AddToGroup(root, props);
}
}
static void collection_create_mode_settings(IDProperty *root, const bool populate)
{
/* XXX TODO: put all those engines in the R_engines_settings_callbacks
* and have IDP_AddToGroup outside the callbacks */
layer_collection_create_mode_settings_object(root, populate);
layer_collection_create_mode_settings_edit(root, populate);
layer_collection_create_mode_settings_paint_weight(root, populate);
layer_collection_create_mode_settings_paint_vertex(root, populate);
}
static void layer_create_mode_settings(IDProperty *root, const bool populate)
{
TODO_LAYER; /* XXX like collection_create_mode_settings */
UNUSED_VARS(root, populate);
}
static int idproperty_group_subtype(const int mode_type)
{
int idgroup_type;
switch (mode_type) {
case COLLECTION_MODE_OBJECT:
idgroup_type = IDP_GROUP_SUB_MODE_OBJECT;
break;
case COLLECTION_MODE_EDIT:
idgroup_type = IDP_GROUP_SUB_MODE_EDIT;
break;
case COLLECTION_MODE_PAINT_WEIGHT:
idgroup_type = IDP_GROUP_SUB_MODE_PAINT_WEIGHT;
break;
case COLLECTION_MODE_PAINT_VERTEX:
idgroup_type = IDP_GROUP_SUB_MODE_PAINT_VERTEX;
break;
default:
case COLLECTION_MODE_NONE:
return IDP_GROUP_SUB_ENGINE_RENDER;
break;
}
return idgroup_type;
}
/**
* Return collection enginne settings for either Object s of LayerCollection s
*/
static IDProperty *collection_engine_get(
IDProperty *root, const int type, const char *engine_name)
{
const int subtype = idproperty_group_subtype(type);
if (subtype == IDP_GROUP_SUB_ENGINE_RENDER) {
return IDP_GetPropertyFromGroup(root, engine_name);
}
else {
IDProperty *prop;
for (prop = root->data.group.first; prop; prop = prop->next) {
if (prop->subtype == subtype) {
return prop;
}
}
}
BLI_assert(false);
return NULL;
}
/**
* Return collection engine settings from Object for specified engine of mode
*/
IDProperty *BKE_layer_collection_engine_evaluated_get(Object *ob, const int type, const char *engine_name)
{
return collection_engine_get(ob->base_collection_properties, type, engine_name);
}
/**
* Return layer collection engine settings for specified engine
*/
IDProperty *BKE_layer_collection_engine_collection_get(LayerCollection *lc, const int type, const char *engine_name)
{
return collection_engine_get(lc->properties, type, engine_name);
}
/**
* Return layer collection engine settings for specified engine in the scene
*/
IDProperty *BKE_layer_collection_engine_scene_get(Scene *scene, const int type, const char *engine_name)
{
return collection_engine_get(scene->collection_properties, type, engine_name);
}
/**
* Return scene layer engine settings for specified engine in the scene
*/
IDProperty *BKE_view_layer_engine_scene_get(Scene *scene, const int type, const char *engine_name)
{
return collection_engine_get(scene->layer_properties, type, engine_name);
}
/**
* Return scene layer engine settings for specified engine
*/
IDProperty *BKE_view_layer_engine_layer_get(ViewLayer *view_layer, const int type, const char *engine_name)
{
return collection_engine_get(view_layer->properties, type, engine_name);
}
/**
* Return scene layer evaluated engine settings for specified engine
*/
IDProperty *BKE_view_layer_engine_evaluated_get(ViewLayer *view_layer, const int type, const char *engine_name)
{
return collection_engine_get(view_layer->properties_evaluated, type, engine_name);
}
/* ---------------------------------------------------------------------- */
/* Engine Settings Properties */
void BKE_collection_engine_property_add_float(IDProperty *props, const char *name, float value)
{
IDPropertyTemplate val = {0};
val.f = value;
IDP_AddToGroup(props, IDP_New(IDP_FLOAT, &val, name));
}
void BKE_collection_engine_property_add_float_array(
IDProperty *props, const char *name, const float *values, const int array_length)
{
IDPropertyTemplate val = {0};
val.array.len = array_length;
val.array.type = IDP_FLOAT;
IDProperty *idprop = IDP_New(IDP_ARRAY, &val, name);
memcpy(IDP_Array(idprop), values, sizeof(float) * idprop->len);
IDP_AddToGroup(props, idprop);
}
void BKE_collection_engine_property_add_int(IDProperty *props, const char *name, int value)
{
IDPropertyTemplate val = {0};
val.i = value;
IDP_AddToGroup(props, IDP_New(IDP_INT, &val, name));
}
void BKE_collection_engine_property_add_bool(IDProperty *props, const char *name, bool value)
{
IDPropertyTemplate val = {0};
val.i = value;
IDP_AddToGroup(props, IDP_New(IDP_INT, &val, name));
}
int BKE_collection_engine_property_value_get_int(IDProperty *props, const char *name)
{
IDProperty *idprop = IDP_GetPropertyFromGroup(props, name);
return idprop ? IDP_Int(idprop) : 0;
}
float BKE_collection_engine_property_value_get_float(IDProperty *props, const char *name)
{
IDProperty *idprop = IDP_GetPropertyFromGroup(props, name);
return idprop ? IDP_Float(idprop) : 0.0f;
}
const float *BKE_collection_engine_property_value_get_float_array(IDProperty *props, const char *name)
{
IDProperty *idprop = IDP_GetPropertyFromGroup(props, name);
return idprop ? IDP_Array(idprop) : NULL;
}
bool BKE_collection_engine_property_value_get_bool(IDProperty *props, const char *name)
{
IDProperty *idprop = IDP_GetPropertyFromGroup(props, name);
return idprop ? IDP_Int(idprop) : 0;
}
void BKE_collection_engine_property_value_set_int(IDProperty *props, const char *name, int value)
{
IDProperty *idprop = IDP_GetPropertyFromGroup(props, name);
IDP_Int(idprop) = value;
}
void BKE_collection_engine_property_value_set_float(IDProperty *props, const char *name, float value)
{
IDProperty *idprop = IDP_GetPropertyFromGroup(props, name);
IDP_Float(idprop) = value;
}
void BKE_collection_engine_property_value_set_float_array(IDProperty *props, const char *name, const float *values)
{
IDProperty *idprop = IDP_GetPropertyFromGroup(props, name);
memcpy(IDP_Array(idprop), values, sizeof(float) * idprop->len);
}
void BKE_collection_engine_property_value_set_bool(IDProperty *props, const char *name, bool value)
{
IDProperty *idprop = IDP_GetPropertyFromGroup(props, name);
IDP_Int(idprop) = value;
}
/* Engine Settings recalculate */
/* get all the default settings defined in scene and merge them here */
static void collection_engine_settings_init(IDProperty *root, const bool populate)
{
/* render engines */
layer_collection_create_render_settings(root, populate);
/* mode engines */
collection_create_mode_settings(root, populate);
}
/* get all the default settings defined in scene and merge them here */
static void layer_engine_settings_init(IDProperty *root, const bool populate)
{
/* render engines */
view_layer_create_render_settings(root, populate);
/* mode engines */
layer_create_mode_settings(root, populate);
}
/**
* Initialize the layer collection render setings
* It's used mainly for scenes
*/
void BKE_layer_collection_engine_settings_create(IDProperty *root)
{
collection_engine_settings_init(root, true);
}
/**
* Initialize the render setings
* It's used mainly for scenes
*/
void BKE_view_layer_engine_settings_create(IDProperty *root)
{
layer_engine_settings_init(root, true);
}
/**
* Reference of IDProperty group scene collection settings
* Used when reading blendfiles, to see if there is any missing settings.
*/
static struct {
struct {
IDProperty *collection_properties;
IDProperty *render_settings;
} scene;
IDProperty *view_layer;
IDProperty *layer_collection;
} root_reference = {
.scene = {NULL, NULL},
.view_layer = NULL,
.layer_collection = NULL,
};
/**
* Free the reference scene collection settings IDProperty group.
*/
static void engine_settings_validate_init(void)
{
IDPropertyTemplate val = {0};
/* LayerCollection engine settings. */
if (root_reference.scene.collection_properties == NULL) {
root_reference.scene.collection_properties = IDP_New(IDP_GROUP, &val, ROOT_PROP);
collection_engine_settings_init(root_reference.scene.collection_properties, true);
}
if (root_reference.layer_collection == NULL) {
root_reference.layer_collection = IDP_New(IDP_GROUP, &val, ROOT_PROP);
collection_engine_settings_init(root_reference.layer_collection, false);
}
/* Render engine setting. */
if (root_reference.scene.render_settings == NULL) {
root_reference.scene.render_settings = IDP_New(IDP_GROUP, &val, ROOT_PROP);
layer_engine_settings_init(root_reference.scene.render_settings, true);
}
if (root_reference.view_layer == NULL) {
root_reference.view_layer = IDP_New(IDP_GROUP, &val, ROOT_PROP);
layer_engine_settings_init(root_reference.view_layer, false);
}
}
/**
* Free the reference scene collection settings IDProperty group.
*/
static void layer_collection_engine_settings_validate_free(void)
{
IDProperty *idprops[] = {
root_reference.scene.render_settings,
root_reference.scene.collection_properties,
root_reference.view_layer,
root_reference.layer_collection,
NULL,
};
IDProperty **idprop = &idprops[0];
while (*idprop) {
if (*idprop) {
IDP_FreeProperty(*idprop);
MEM_freeN(*idprop);
*idprop = NULL;
idprop++;
}
}
}
/**
* Make sure Scene has all required collection settings.
*/
void BKE_layer_collection_engine_settings_validate_scene(Scene *scene)
{
if (root_reference.scene.collection_properties == NULL) {
engine_settings_validate_init();
}
if (scene->collection_properties == NULL) {
IDPropertyTemplate val = {0};
scene->collection_properties = IDP_New(IDP_GROUP, &val, ROOT_PROP);
BKE_layer_collection_engine_settings_create(scene->collection_properties);
}
else {
IDP_MergeGroup(scene->collection_properties, root_reference.scene.collection_properties, false);
}
}
/**
* Maker sure LayerCollection has all required collection settings.
*/
void BKE_layer_collection_engine_settings_validate_collection(LayerCollection *lc)
{
if (root_reference.layer_collection == NULL) {
engine_settings_validate_init();
}
BLI_assert(lc->properties != NULL);
IDP_MergeGroup(lc->properties, root_reference.layer_collection, false);
}
/**
* Make sure Scene has all required collection settings.
*/
void BKE_view_layer_engine_settings_validate_scene(Scene *scene)
{
if (root_reference.scene.render_settings == NULL) {
engine_settings_validate_init();
}
if (scene->layer_properties == NULL) {
IDPropertyTemplate val = {0};
scene->layer_properties = IDP_New(IDP_GROUP, &val, ROOT_PROP);
BKE_view_layer_engine_settings_create(scene->layer_properties);
}
else {
IDP_MergeGroup(scene->layer_properties, root_reference.scene.render_settings, false);
}
}
/**
* Make sure Scene has all required collection settings.
*/
void BKE_view_layer_engine_settings_validate_layer(ViewLayer *view_layer)
{
if (root_reference.view_layer == NULL) {
engine_settings_validate_init();
}
IDP_MergeGroup(view_layer->properties, root_reference.view_layer, false);
}
/** \} */
/* Iterators */
/* -------------------------------------------------------------------- */
/** \name Private Iterator Helpers
* \{ */
static void object_bases_iterator_begin(BLI_Iterator *iter, void *data_in, const int flag)
{
ViewLayer *view_layer = data_in;
Base *base = view_layer->object_bases.first;
/* when there are no objects */
if (base == NULL) {
iter->valid = false;
return;
}
iter->data = base;
if ((base->flag & flag) == 0) {
object_bases_iterator_next(iter, flag);
}
else {
iter->current = base;
}
}
static void object_bases_iterator_next(BLI_Iterator *iter, const int flag)
{
Base *base = ((Base *)iter->data)->next;
while (base) {
if ((base->flag & flag) != 0) {
iter->current = base;
iter->data = base;
return;
}
base = base->next;
}
iter->valid = false;
}
static void objects_iterator_begin(BLI_Iterator *iter, void *data_in, const int flag)
{
object_bases_iterator_begin(iter, data_in, flag);
if (iter->valid) {
iter->current = ((Base *)iter->current)->object;
}
}
static void objects_iterator_next(BLI_Iterator *iter, const int flag)
{
object_bases_iterator_next(iter, flag);
if (iter->valid) {
iter->current = ((Base *)iter->current)->object;
}
}
/* -------------------------------------------------------------------- */
/** \name BKE_view_layer_selected_objects_iterator
* See: #FOREACH_SELECTED_OBJECT_BEGIN
* \{ */
void BKE_view_layer_selected_objects_iterator_begin(BLI_Iterator *iter, void *data_in)
{
objects_iterator_begin(iter, data_in, BASE_SELECTED);
}
void BKE_view_layer_selected_objects_iterator_next(BLI_Iterator *iter)
{
objects_iterator_next(iter, BASE_SELECTED);
}
void BKE_view_layer_selected_objects_iterator_end(BLI_Iterator *UNUSED(iter))
{
/* do nothing */
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name BKE_view_layer_selected_objects_iterator
* \{ */
void BKE_view_layer_visible_objects_iterator_begin(BLI_Iterator *iter, void *data_in)
{
objects_iterator_begin(iter, data_in, BASE_VISIBLED);
}
void BKE_view_layer_visible_objects_iterator_next(BLI_Iterator *iter)
{
objects_iterator_next(iter, BASE_VISIBLED);
}
void BKE_view_layer_visible_objects_iterator_end(BLI_Iterator *UNUSED(iter))
{
/* do nothing */
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name BKE_view_layer_selected_bases_iterator
* \{ */
void BKE_view_layer_selected_bases_iterator_begin(BLI_Iterator *iter, void *data_in)
{
object_bases_iterator_begin(iter, data_in, BASE_SELECTED);
}
void BKE_view_layer_selected_bases_iterator_next(BLI_Iterator *iter)
{
object_bases_iterator_next(iter, BASE_SELECTED);
}
void BKE_view_layer_selected_bases_iterator_end(BLI_Iterator *UNUSED(iter))
{
/* do nothing */
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name BKE_view_layer_visible_bases_iterator
* \{ */
void BKE_view_layer_visible_bases_iterator_begin(BLI_Iterator *iter, void *data_in)
{
object_bases_iterator_begin(iter, data_in, BASE_VISIBLED);
}
void BKE_view_layer_visible_bases_iterator_next(BLI_Iterator *iter)
{
object_bases_iterator_next(iter, BASE_VISIBLED);
}
void BKE_view_layer_visible_bases_iterator_end(BLI_Iterator *UNUSED(iter))
{
/* do nothing */
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name BKE_view_layer_renderable_objects_iterator
* \{ */
void BKE_view_layer_renderable_objects_iterator_begin(BLI_Iterator *iter, void *data_in)
{
struct ObjectsRenderableIteratorData *data = data_in;
/* Tag objects to prevent going over the same object twice. */
for (Scene *scene = data->scene; scene; scene = scene->set) {
for (ViewLayer *view_layer = scene->view_layers.first; view_layer; view_layer = view_layer->next) {
for (Base *base = view_layer->object_bases.first; base; base = base->next) {
base->object->id.flag |= LIB_TAG_DOIT;
}
}
}
ViewLayer *view_layer = data->scene->view_layers.first;
data->iter.view_layer = view_layer;
data->base_temp.next = view_layer->object_bases.first;
data->iter.base = &data->base_temp;
data->iter.set = NULL;
iter->data = data_in;
BKE_view_layer_renderable_objects_iterator_next(iter);
}
void BKE_view_layer_renderable_objects_iterator_next(BLI_Iterator *iter)
{
/* Set it early in case we need to exit and we are running from within a loop. */
iter->skip = true;
struct ObjectsRenderableIteratorData *data = iter->data;
Base *base = data->iter.base->next;
/* There is still a base in the current scene layer. */
if (base != NULL) {
Object *ob = base->object;
/* We need to set the iter.base even if the rest fail otherwise
* we keep checking the exactly same base over and over again. */
data->iter.base = base;
if (ob->id.flag & LIB_TAG_DOIT) {
ob->id.flag &= ~LIB_TAG_DOIT;
if ((base->flag & BASE_VISIBLED) != 0) {
iter->skip = false;
iter->current = ob;
}
}
return;
}
/* Time to go to the next scene layer. */
if (data->iter.set == NULL) {
while ((data->iter.view_layer = data->iter.view_layer->next)) {
ViewLayer *view_layer = data->iter.view_layer;
if (view_layer->flag & VIEW_LAYER_RENDER) {
data->base_temp.next = view_layer->object_bases.first;
data->iter.base = &data->base_temp;
return;
}
}
/* Setup the "set" for the next iteration. */
data->scene_temp.set = data->scene;
data->iter.set = &data->scene_temp;
return;
}
/* Look for an object in the next set. */
while ((data->iter.set = data->iter.set->set)) {
ViewLayer *view_layer = BKE_view_layer_default_render(data->iter.set);
data->base_temp.next = view_layer->object_bases.first;
data->iter.base = &data->base_temp;
return;
}
iter->valid = false;
}
void BKE_view_layer_renderable_objects_iterator_end(BLI_Iterator *UNUSED(iter))
{
/* Do nothing - iter->data was static allocated, we can't free it. */
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name BKE_view_layer_bases_in_mode_iterator
* \{ */
void BKE_view_layer_bases_in_mode_iterator_begin(BLI_Iterator *iter, void *data_in)
{
struct ObjectsInModeIteratorData *data = data_in;
Base *base = data->base_active;
/* when there are no objects */
if (base == NULL) {
iter->valid = false;
return;
}
iter->data = data_in;
iter->current = base;
}
void BKE_view_layer_bases_in_mode_iterator_next(BLI_Iterator *iter)
{
struct ObjectsInModeIteratorData *data = iter->data;
Base *base = iter->current;
if (base == data->base_active) {
/* first step */
base = data->view_layer->object_bases.first;
if (base == data->base_active) {
base = base->next;
}
}
else {
base = base->next;
}
while (base) {
if ((base->flag & BASE_SELECTED) != 0 &&
(base->object->type == data->base_active->object->type) &&
(base != data->base_active) &&
(base->object->mode & data->object_mode))
{
iter->current = base;
return;
}
base = base->next;
}
iter->valid = false;
}
void BKE_view_layer_bases_in_mode_iterator_end(BLI_Iterator *UNUSED(iter))
{
/* do nothing */
}
/** \} */
/* Evaluation */
/**
* Reset props
*
* If props_ref is pasted, copy props from it
*/
static void idproperty_reset(IDProperty **props, IDProperty *props_ref)
{
IDPropertyTemplate val = {0};
if (*props) {
IDP_FreeProperty(*props);
MEM_freeN(*props);
}
*props = IDP_New(IDP_GROUP, &val, ROOT_PROP);
if (props_ref) {
IDP_MergeGroup(*props, props_ref, true);
}
}
static void layer_eval_layer_collection_pre(Depsgraph *depsgraph, ID *owner_id, ViewLayer *view_layer)
{
DEG_debug_print_eval(depsgraph, __func__, view_layer->name, view_layer);
Scene *scene = (GS(owner_id->name) == ID_SCE) ? (Scene *)owner_id : NULL;
for (Base *base = view_layer->object_bases.first; base != NULL; base = base->next) {
base->flag &= ~(BASE_VISIBLED | BASE_SELECTABLED);
idproperty_reset(&base->collection_properties, scene ? scene->collection_properties : NULL);
}
/* Sync properties from scene to scene layer. */
idproperty_reset(&view_layer->properties_evaluated, scene ? scene->layer_properties : NULL);
IDP_MergeGroup(view_layer->properties_evaluated, view_layer->properties, true);
/* TODO(sergey): Is it always required? */
view_layer->flag |= VIEW_LAYER_ENGINE_DIRTY;
}
static const char *collection_type_lookup[] =
{
"None", /* COLLECTION_TYPE_NONE */
"Group Internal", /* COLLECTION_TYPE_GROUP_INTERNAL */
};
/**
* \note We can't use layer_collection->flag because of 3 level nesting (where parent is visible, but not grand-parent)
* So layer_collection->flag_evaluated is expected to be up to date with layer_collection->flag.
*/
static bool layer_collection_visible_get(Depsgraph *depsgraph, LayerCollection *layer_collection)
{
if (layer_collection->flag_evaluated & COLLECTION_DISABLED) {
return false;
}
if (DEG_get_mode(depsgraph) == DAG_EVAL_VIEWPORT) {
return (layer_collection->flag_evaluated & COLLECTION_VIEWPORT) != 0;
}
else {
return (layer_collection->flag_evaluated & COLLECTION_RENDER) != 0;
}
}
static void layer_eval_layer_collection(Depsgraph *depsgraph,
LayerCollection *layer_collection,
LayerCollection *parent_layer_collection)
{
DEG_debug_print_eval_parent_typed(
depsgraph,
__func__,
layer_collection->scene_collection->name,
layer_collection->scene_collection,
collection_type_lookup[layer_collection->scene_collection->type],
"parent",
(parent_layer_collection != NULL) ? parent_layer_collection->scene_collection->name : "NONE",
(parent_layer_collection != NULL) ? parent_layer_collection->scene_collection : NULL,
(parent_layer_collection != NULL) ? collection_type_lookup[parent_layer_collection->scene_collection->type] : "");
BLI_assert(layer_collection != parent_layer_collection);
/* visibility */
layer_collection->flag_evaluated = layer_collection->flag;
if (parent_layer_collection != NULL) {
if (layer_collection_visible_get(depsgraph, parent_layer_collection) == false) {
layer_collection->flag_evaluated |= COLLECTION_DISABLED;
}
if ((parent_layer_collection->flag_evaluated & COLLECTION_DISABLED) ||
(parent_layer_collection->flag_evaluated & COLLECTION_SELECTABLE) == 0)
{
layer_collection->flag_evaluated &= ~COLLECTION_SELECTABLE;
}
}
const bool is_visible = layer_collection_visible_get(depsgraph, layer_collection);
const bool is_selectable = is_visible && ((layer_collection->flag_evaluated & COLLECTION_SELECTABLE) != 0);
/* overrides */
if (is_visible) {
if (parent_layer_collection == NULL) {
idproperty_reset(&layer_collection->properties_evaluated, layer_collection->properties);
}
else {
idproperty_reset(&layer_collection->properties_evaluated, parent_layer_collection->properties_evaluated);
IDP_MergeGroup(layer_collection->properties_evaluated, layer_collection->properties, true);
}
}
for (LinkData *link = layer_collection->object_bases.first; link != NULL; link = link->next) {
Base *base = link->data;
if (is_visible) {
IDP_MergeGroup(base->collection_properties, layer_collection->properties_evaluated, true);
base->flag |= BASE_VISIBLED;
}
if (is_selectable) {
base->flag |= BASE_SELECTABLED;
}
}
}
static void layer_eval_layer_collection_post(Depsgraph *depsgraph, ViewLayer *view_layer)
{
DEG_debug_print_eval(depsgraph, __func__, view_layer->name, view_layer);
/* Create array of bases, for fast index-based lookup. */
const int num_object_bases = BLI_listbase_count(&view_layer->object_bases);
MEM_SAFE_FREE(view_layer->object_bases_array);
view_layer->object_bases_array = MEM_malloc_arrayN(
num_object_bases, sizeof(Base *), "view_layer->object_bases_array");
int base_index = 0;
for (Base *base = view_layer->object_bases.first; base; base = base->next) {
/* if base is not selectabled, clear select. */
if ((base->flag & BASE_SELECTABLED) == 0) {
base->flag &= ~BASE_SELECTED;
}
/* Store base in the array. */
view_layer->object_bases_array[base_index++] = base;
}
}
static void layer_eval_collections_recurse(Depsgraph *depsgraph,
ListBase *layer_collections,
LayerCollection *parent_layer_collection)
{
for (LayerCollection *layer_collection = layer_collections->first;
layer_collection != NULL;
layer_collection = layer_collection->next)
{
layer_eval_layer_collection(depsgraph,
layer_collection,
parent_layer_collection);
layer_eval_collections_recurse(depsgraph,
&layer_collection->layer_collections,
layer_collection);
}
}
void BKE_layer_eval_view_layer(struct Depsgraph *depsgraph,
struct ID *owner_id,
ViewLayer *view_layer)
{
layer_eval_layer_collection_pre(depsgraph, owner_id, view_layer);
layer_eval_collections_recurse(depsgraph,
&view_layer->layer_collections,
NULL);
layer_eval_layer_collection_post(depsgraph, view_layer);
}
void BKE_layer_eval_view_layer_indexed(struct Depsgraph *depsgraph,
struct ID *owner_id,
int view_layer_index)
{
BLI_assert(GS(owner_id->name) == ID_SCE);
BLI_assert(view_layer_index >= 0);
Scene *scene = (Scene *)owner_id;
ViewLayer *view_layer = BLI_findlink(&scene->view_layers, view_layer_index);
BLI_assert(view_layer != NULL);
BKE_layer_eval_view_layer(depsgraph, owner_id, view_layer);
}
/**
* Free any static allocated memory.
*/
void BKE_layer_exit(void)
{
layer_collection_engine_settings_validate_free();
}
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