tornavis/source/blender/blenkernel/intern/layer_utils.cc

325 lines
10 KiB
C++

/* SPDX-FileCopyrightText: 2023 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup bke
*/
#include <cstring>
#include "BLI_array.h"
#include "BKE_collection.h"
#include "BKE_customdata.hh"
#include "BKE_editmesh.hh"
#include "BKE_layer.h"
#include "DNA_ID.h"
#include "DNA_layer_types.h"
#include "DNA_mesh_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "MEM_guardedalloc.h"
/* -------------------------------------------------------------------- */
/** \name Selected Object Array
* \{ */
Object **BKE_view_layer_array_selected_objects_params(ViewLayer *view_layer,
const View3D *v3d,
uint *r_len,
const ObjectsInViewLayerParams *params)
{
if (params->no_dup_data) {
FOREACH_SELECTED_OBJECT_BEGIN (view_layer, v3d, ob_iter) {
ID *id = static_cast<ID *>(ob_iter->data);
if (id) {
id->tag |= LIB_TAG_DOIT;
}
}
FOREACH_SELECTED_OBJECT_END;
}
Object **object_array = nullptr;
BLI_array_declare(object_array);
FOREACH_SELECTED_OBJECT_BEGIN (view_layer, v3d, ob_iter) {
if (params->filter_fn) {
if (!params->filter_fn(ob_iter, params->filter_userdata)) {
continue;
}
}
if (params->no_dup_data) {
ID *id = static_cast<ID *>(ob_iter->data);
if (id) {
if (id->tag & LIB_TAG_DOIT) {
id->tag &= ~LIB_TAG_DOIT;
}
else {
continue;
}
}
}
BLI_array_append(object_array, ob_iter);
}
FOREACH_SELECTED_OBJECT_END;
if (object_array != nullptr) {
BLI_array_trim(object_array);
}
else {
/* We always need a valid allocation (prevent crash on free). */
object_array = static_cast<Object **>(MEM_mallocN(0, __func__));
}
*r_len = BLI_array_len(object_array);
return object_array;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Objects in Mode Array
* \{ */
Base **BKE_view_layer_array_from_bases_in_mode_params(const Scene *scene,
ViewLayer *view_layer,
const View3D *v3d,
uint *r_len,
const ObjectsInModeParams *params)
{
if (params->no_dup_data) {
FOREACH_BASE_IN_MODE_BEGIN (scene, view_layer, v3d, -1, params->object_mode, base_iter) {
ID *id = static_cast<ID *>(base_iter->object->data);
if (id) {
id->tag |= LIB_TAG_DOIT;
}
}
FOREACH_BASE_IN_MODE_END;
}
Base **base_array = nullptr;
BLI_array_declare(base_array);
FOREACH_BASE_IN_MODE_BEGIN (scene, view_layer, v3d, -1, params->object_mode, base_iter) {
if (params->filter_fn) {
if (!params->filter_fn(base_iter->object, params->filter_userdata)) {
continue;
}
}
if (params->no_dup_data) {
ID *id = static_cast<ID *>(base_iter->object->data);
if (id) {
if (id->tag & LIB_TAG_DOIT) {
id->tag &= ~LIB_TAG_DOIT;
}
else {
continue;
}
}
}
BLI_array_append(base_array, base_iter);
}
FOREACH_BASE_IN_MODE_END;
/* We always need a valid allocation (prevent crash on free). */
if (base_array != nullptr) {
BLI_array_trim(base_array);
}
else {
base_array = static_cast<Base **>(MEM_mallocN(0, __func__));
}
*r_len = BLI_array_len(base_array);
return base_array;
}
Object **BKE_view_layer_array_from_objects_in_mode_params(const Scene *scene,
ViewLayer *view_layer,
const View3D *v3d,
uint *r_len,
const ObjectsInModeParams *params)
{
Base **base_array = BKE_view_layer_array_from_bases_in_mode_params(
scene, view_layer, v3d, r_len, params);
if (base_array != nullptr) {
for (uint i = 0; i < *r_len; i++) {
((Object **)base_array)[i] = base_array[i]->object;
}
}
return (Object **)base_array;
}
Object **BKE_view_layer_array_from_objects_in_edit_mode(const Scene *scene,
ViewLayer *view_layer,
const View3D *v3d,
uint *r_len)
{
ObjectsInModeParams params = {0};
params.object_mode = OB_MODE_EDIT;
return BKE_view_layer_array_from_objects_in_mode_params(scene, view_layer, v3d, r_len, &params);
}
Base **BKE_view_layer_array_from_bases_in_edit_mode(const Scene *scene,
ViewLayer *view_layer,
const View3D *v3d,
uint *r_len)
{
ObjectsInModeParams params = {0};
params.object_mode = OB_MODE_EDIT;
return BKE_view_layer_array_from_bases_in_mode_params(scene, view_layer, v3d, r_len, &params);
}
Object **BKE_view_layer_array_from_objects_in_edit_mode_unique_data(const Scene *scene,
ViewLayer *view_layer,
const View3D *v3d,
uint *r_len)
{
ObjectsInModeParams params = {0};
params.object_mode = OB_MODE_EDIT;
params.no_dup_data = true;
return BKE_view_layer_array_from_objects_in_mode_params(scene, view_layer, v3d, r_len, &params);
}
Base **BKE_view_layer_array_from_bases_in_edit_mode_unique_data(const Scene *scene,
ViewLayer *view_layer,
const View3D *v3d,
uint *r_len)
{
ObjectsInModeParams params = {0};
params.object_mode = OB_MODE_EDIT;
params.no_dup_data = true;
return BKE_view_layer_array_from_bases_in_mode_params(scene, view_layer, v3d, r_len, &params);
}
Object **BKE_view_layer_array_from_objects_in_edit_mode_unique_data_with_uvs(const Scene *scene,
ViewLayer *view_layer,
const View3D *v3d,
uint *r_len)
{
ObjectsInModeParams params = {0};
params.object_mode = OB_MODE_EDIT;
params.no_dup_data = true;
params.filter_fn = BKE_view_layer_filter_edit_mesh_has_uvs;
return BKE_view_layer_array_from_objects_in_mode_params(scene, view_layer, v3d, r_len, &params);
}
Object **BKE_view_layer_array_from_objects_in_mode_unique_data(const Scene *scene,
ViewLayer *view_layer,
const View3D *v3d,
uint *r_len,
const eObjectMode mode)
{
ObjectsInModeParams params = {0};
params.object_mode = mode;
params.no_dup_data = true;
return BKE_view_layer_array_from_objects_in_mode_params(scene, view_layer, v3d, r_len, &params);
}
ListBase *BKE_view_layer_object_bases_get(ViewLayer *view_layer)
{
BLI_assert_msg((view_layer->flag & VIEW_LAYER_OUT_OF_SYNC) == 0,
"Object Bases out of sync, invoke BKE_view_layer_synced_ensure.");
return &view_layer->object_bases;
}
Base *BKE_view_layer_active_base_get(ViewLayer *view_layer)
{
BLI_assert_msg((view_layer->flag & VIEW_LAYER_OUT_OF_SYNC) == 0,
"Active Base out of sync, invoke BKE_view_layer_synced_ensure.");
return view_layer->basact;
}
LayerCollection *BKE_view_layer_active_collection_get(ViewLayer *view_layer)
{
BLI_assert_msg((view_layer->flag & VIEW_LAYER_OUT_OF_SYNC) == 0,
"Active Collection out of sync, invoke BKE_view_layer_synced_ensure.");
return view_layer->active_collection;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Filter Functions
* \{ */
bool BKE_view_layer_filter_edit_mesh_has_uvs(const Object *ob, void * /*user_data*/)
{
if (ob->type == OB_MESH) {
const Mesh *me = static_cast<const Mesh *>(ob->data);
const BMEditMesh *em = me->edit_mesh;
if (em != nullptr) {
if (CustomData_has_layer(&em->bm->ldata, CD_PROP_FLOAT2)) {
return true;
}
}
}
return false;
}
bool BKE_view_layer_filter_edit_mesh_has_edges(const Object *ob, void * /*user_data*/)
{
if (ob->type == OB_MESH) {
const Mesh *me = static_cast<const Mesh *>(ob->data);
const BMEditMesh *em = me->edit_mesh;
if (em != nullptr) {
if (em->bm->totedge != 0) {
return true;
}
}
}
return false;
}
Object *BKE_view_layer_non_active_selected_object(const Scene *scene,
ViewLayer *view_layer,
const View3D *v3d)
{
BKE_view_layer_synced_ensure(scene, view_layer);
Object *ob_active = BKE_view_layer_active_object_get(view_layer);
Object *ob_result = nullptr;
FOREACH_SELECTED_OBJECT_BEGIN (view_layer, v3d, ob_iter) {
if (ob_iter == ob_active) {
continue;
}
if (ob_result == nullptr) {
ob_result = ob_iter;
}
else {
ob_result = nullptr;
break;
}
}
FOREACH_SELECTED_OBJECT_END;
return ob_result;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Active object accessors.
* \{ */
Object *BKE_view_layer_active_object_get(const ViewLayer *view_layer)
{
Base *base = BKE_view_layer_active_base_get((ViewLayer *)view_layer);
return base ? base->object : nullptr;
}
Object *BKE_view_layer_edit_object_get(const ViewLayer *view_layer)
{
Object *ob = BKE_view_layer_active_object_get(view_layer);
if (ob == nullptr) {
return nullptr;
}
if (!(ob->mode & OB_MODE_EDIT)) {
return nullptr;
}
return ob;
}
/** \} */