ED_viewer_path.hh

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include <optional>
 
#include "BLI_compute_context.hh"
#include "BLI_string_ref.hh"
#include "BLI_vector.hh"
 
#include "BKE_compute_context_cache_fwd.hh"
 
#include "DNA_viewer_path_types.h"
 
struct Main;
struct SpaceNode;
struct bNode;
struct bContext;
struct Object;
 
namespace blender::ed::viewer_path {

void activate_geometry_node(Main &bmain,
                            SpaceNode &snode,
                            bNode &node,
                            std::optional<int> item_identifier = std::nullopt);

Object *parse_object_only(const ViewerPath &viewer_path);

struct ViewerPathForGeometryNodesViewer {
  Object *object;
  int modifier_uid;
  blender::Vector<const ViewerPathElem *> node_path;
  int32_t viewer_node_id;
};

std::optional<ViewerPathForGeometryNodesViewer> parse_geometry_nodes_viewer(
    const ViewerPath &viewer_path);

bNode *find_geometry_nodes_viewer(const ViewerPath &viewer_path, SpaceNode &snode);

bool exists_geometry_nodes_viewer(const ViewerPathForGeometryNodesViewer &parsed_viewer_path);
 
enum class UpdateActiveGeometryNodesViewerResult {
  StillActive,
  Updated,
  NotActive,
};

UpdateActiveGeometryNodesViewerResult update_active_geometry_nodes_viewer(const bContext &C,
                                                                          ViewerPath &viewer_path);

[[nodiscard]] const ComputeContext *compute_context_for_viewer_path_elem(
    const ViewerPathElem &elem,
    bke::ComputeContextCache &compute_context_cache,
    const ComputeContext *parent_compute_context);

[[nodiscard]] ViewerPathElem *viewer_path_elem_for_compute_context(
    const ComputeContext &compute_context);
 
}  // namespace blender::ed::viewer_path