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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2008 Blender Foundation. All rights reserved. */
/** \file
* \ingroup spnode
* \brief Node breadcrumbs drawing
*/
#include "BLI_vector.hh"
#include "DNA_node_types.h"
#include "BKE_context.h"
#include "BKE_material.h"
#include "BKE_modifier.h"
#include "BKE_object.h"
#include "BKE_screen.h"
#include "RNA_access.h"
#include "ED_screen.h"
#include "UI_interface.h"
#include "UI_interface.hh"
#include "UI_resources.h"
#include "UI_interface.hh"
#include "node_intern.hh"
struct Curve;
struct Light;
struct Material;
struct Mesh;
struct World;
namespace blender::ed::space_node {
static void context_path_add_object_data(Vector<ui::ContextPathItem> &path, Object &object)
{
if (object.type == OB_MESH && object.data) {
Mesh *mesh = (Mesh *)object.data;
ui::context_path_add_generic(path, RNA_Mesh, mesh);
}
if (object.type == OB_LAMP && object.data) {
Light *light = (Light *)object.data;
ui::context_path_add_generic(path, RNA_Light, light);
}
if (ELEM(object.type, OB_CURVE, OB_FONT, OB_SURF) && object.data) {
Curve *curve = (Curve *)object.data;
ui::context_path_add_generic(path, RNA_Curve, curve);
}
}
static void context_path_add_node_tree_and_node_groups(const SpaceNode &snode,
Vector<ui::ContextPathItem> &path,
const bool skip_base = false)
{
Vector<const bNodeTreePath *> tree_path = snode.treepath;
for (const bNodeTreePath *path_item : tree_path.as_span().drop_front(int(skip_base))) {
ui::context_path_add_generic(path, RNA_NodeTree, path_item->nodetree, ICON_NODETREE);
}
}
static void get_context_path_node_shader(const bContext &C,
SpaceNode &snode,
Vector<ui::ContextPathItem> &path)
{
if (snode.flag & SNODE_PIN) {
if (snode.shaderfrom == SNODE_SHADER_WORLD) {
Scene *scene = CTX_data_scene(&C);
ui::context_path_add_generic(path, RNA_Scene, scene);
if (scene != nullptr) {
World *world = scene->world;
ui::context_path_add_generic(path, RNA_World, world);
}
/* Skip the base node tree here, because the world contains a node tree already. */
context_path_add_node_tree_and_node_groups(snode, path, true);
}
else {
context_path_add_node_tree_and_node_groups(snode, path);
}
}
else {
Object *object = CTX_data_active_object(&C);
if (snode.shaderfrom == SNODE_SHADER_OBJECT && object != nullptr) {
ui::context_path_add_generic(path, RNA_Object, object);
if (!(object->matbits && object->matbits[object->actcol - 1])) {
context_path_add_object_data(path, *object);
}
Material *material = BKE_object_material_get(object, object->actcol);
ui::context_path_add_generic(path, RNA_Material, material);
}
else if (snode.shaderfrom == SNODE_SHADER_WORLD) {
Scene *scene = CTX_data_scene(&C);
ui::context_path_add_generic(path, RNA_Scene, scene);
if (scene != nullptr) {
World *world = scene->world;
ui::context_path_add_generic(path, RNA_World, world);
}
}
#ifdef WITH_FREESTYLE
else if (snode.shaderfrom == SNODE_SHADER_LINESTYLE) {
ViewLayer *viewlayer = CTX_data_view_layer(&C);
FreestyleLineStyle *linestyle = BKE_linestyle_active_from_view_layer(viewlayer);
ui::context_path_add_generic(path, RNA_ViewLayer, viewlayer);
Material *mat = BKE_object_material_get(object, object->actcol);
ui::context_path_add_generic(path, RNA_Material, mat);
}
#endif
context_path_add_node_tree_and_node_groups(snode, path, true);
}
}
static void get_context_path_node_compositor(const bContext &C,
SpaceNode &snode,
Vector<ui::ContextPathItem> &path)
{
if (snode.flag & SNODE_PIN) {
context_path_add_node_tree_and_node_groups(snode, path);
}
else {
Scene *scene = CTX_data_scene(&C);
ui::context_path_add_generic(path, RNA_Scene, scene);
context_path_add_node_tree_and_node_groups(snode, path);
}
}
static void get_context_path_node_geometry(const bContext &C,
SpaceNode &snode,
Vector<ui::ContextPathItem> &path)
{
if (snode.flag & SNODE_PIN) {
context_path_add_node_tree_and_node_groups(snode, path);
}
else {
Object *object = CTX_data_active_object(&C);
ui::context_path_add_generic(path, RNA_Object, object);
ModifierData *modifier = BKE_object_active_modifier(object);
ui::context_path_add_generic(path, RNA_Modifier, modifier, ICON_MODIFIER);
context_path_add_node_tree_and_node_groups(snode, path);
}
}
Vector<ui::ContextPathItem> context_path_for_space_node(const bContext &C)
{
SpaceNode *snode = CTX_wm_space_node(&C);
if (snode == nullptr) {
return {};
}
Vector<ui::ContextPathItem> context_path;
if (snode->edittree->type == NTREE_GEOMETRY) {
get_context_path_node_geometry(C, *snode, context_path);
}
else if (snode->edittree->type == NTREE_SHADER) {
get_context_path_node_shader(C, *snode, context_path);
}
else if (snode->edittree->type == NTREE_COMPOSIT) {
get_context_path_node_compositor(C, *snode, context_path);
}
return context_path;
}
} // namespace blender::ed::space_node
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