/* SPDX-License-Identifier: GPL-2.0-or-later
 * Copyright 2005 Blender Foundation. All rights reserved. */

#include "node_shader_util.hh"

namespace blender::nodes::node_shader_volume_scatter_cc {

static void node_declare(NodeDeclarationBuilder &b)
{
  b.add_input<decl::Color>(N_("Color")).default_value({0.8f, 0.8f, 0.8f, 1.0f});
  b.add_input<decl::Float>(N_("Density")).default_value(1.0f).min(0.0f).max(1000.0f);
  b.add_input<decl::Float>(N_("Anisotropy"))
      .default_value(0.0f)
      .min(-1.0f)
      .max(1.0f)
      .subtype(PROP_FACTOR);
  b.add_input<decl::Float>(N_("Weight")).unavailable();
  b.add_output<decl::Shader>(N_("Volume"));
}

static int node_shader_gpu_volume_scatter(GPUMaterial *mat,
                                          bNode *node,
                                          bNodeExecData * /*execdata*/,
                                          GPUNodeStack *in,
                                          GPUNodeStack *out)
{
  return GPU_stack_link(mat, node, "node_volume_scatter", in, out);
}

}  // namespace blender::nodes::node_shader_volume_scatter_cc

/* node type definition */
void register_node_type_sh_volume_scatter()
{
  namespace file_ns = blender::nodes::node_shader_volume_scatter_cc;

  static bNodeType ntype;

  sh_node_type_base(&ntype, SH_NODE_VOLUME_SCATTER, "Volume Scatter", NODE_CLASS_SHADER);
  ntype.declare = file_ns::node_declare;
  node_type_gpu(&ntype, file_ns::node_shader_gpu_volume_scatter);

  nodeRegisterType(&ntype);
}