node_geo_input_scene_time.cc

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#include "BKE_scene.hh"
 
#include "DEG_depsgraph_query.hh"
 
#include "node_geometry_util.hh"
 
namespace blender::nodes::node_geo_input_scene_time_cc {
 
static void node_declare(NodeDeclarationBuilder &b)
{
  b.add_output<decl::Float>("Seconds");
  b.add_output<decl::Float>("Frame");
}
 
static void node_exec(GeoNodeExecParams params)
{
  const Scene *scene = DEG_get_input_scene(params.depsgraph());
  const float scene_ctime = BKE_scene_ctime_get(scene);
  const double frame_rate = double(scene->r.frs_sec) / double(scene->r.frs_sec_base);
  params.set_output("Seconds", float(scene_ctime / frame_rate));
  params.set_output("Frame", scene_ctime);
}
 
static void node_register()
{
  static blender::bke::bNodeType ntype;
  geo_node_type_base(&ntype, "GeometryNodeInputSceneTime", GEO_NODE_INPUT_SCENE_TIME);
  ntype.ui_name = "Scene Time";
  ntype.ui_description =
      "Retrieve the current time in the scene's animation in units of seconds or frames";
  ntype.enum_name_legacy = "INPUT_SCENE_TIME";
  ntype.nclass = NODE_CLASS_INPUT;
  ntype.geometry_node_execute = node_exec;
  ntype.declare = node_declare;
  blender::bke::node_register_type(ntype);
}
NOD_REGISTER_NODE(node_register)
 
}  // namespace blender::nodes::node_geo_input_scene_time_cc