node_fn_transform_direction.cc

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#include "BLI_math_matrix.hh"
 
#include "node_function_util.hh"
 
namespace blender::nodes::node_fn_transform_direction_cc {
 
static void node_declare(NodeDeclarationBuilder &b)
{
  b.is_function_node();
  b.add_input<decl::Vector>("Direction").subtype(PROP_XYZ);
  b.add_input<decl::Matrix>("Transform");
  b.add_output<decl::Vector>("Direction").subtype(PROP_XYZ);
}
 
static void node_build_multi_function(NodeMultiFunctionBuilder &builder)
{
  static auto fn = mf::build::SI2_SO<float3, float4x4, float3>(
      "Transform Direction", [](float3 direction, float4x4 matrix) {
        return math::transform_direction(matrix, direction);
      });
  builder.set_matching_fn(fn);
}
 
static void node_register()
{
  static blender::bke::bNodeType ntype;
  fn_node_type_base(
      &ntype, FN_NODE_TRANSFORM_DIRECTION, "Transform Direction", NODE_CLASS_CONVERTER);
  ntype.declare = node_declare;
  ntype.build_multi_function = node_build_multi_function;
  blender::bke::node_register_type(&ntype);
}
NOD_REGISTER_NODE(node_register)
 
}  // namespace blender::nodes::node_fn_transform_direction_cc