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/* 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_displacement_cc {
static void node_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Float>(N_("Height")).default_value(0.0f).min(0.0f).max(1000.0f);
b.add_input<decl::Float>(N_("Midlevel")).default_value(0.0f).min(0.0f).max(1000.0f);
b.add_input<decl::Float>(N_("Scale")).default_value(1.0f).min(0.0f).max(1000.0f);
b.add_input<decl::Vector>(N_("Normal")).hide_value();
b.add_output<decl::Vector>(N_("Displacement"));
}
static void node_shader_init_displacement(bNodeTree * /*ntree*/, bNode *node)
{
node->custom1 = SHD_SPACE_OBJECT; /* space */
/* Set default value here for backwards compatibility. */
LISTBASE_FOREACH (bNodeSocket *, sock, &node->inputs) {
if (STREQ(sock->name, "Midlevel")) {
((bNodeSocketValueFloat *)sock->default_value)->value = 0.5f;
}
}
}
static int gpu_shader_displacement(GPUMaterial *mat,
bNode *node,
bNodeExecData * /*execdata*/,
GPUNodeStack *in,
GPUNodeStack *out)
{
if (!in[3].link) {
GPU_link(mat, "world_normals_get", &in[3].link);
}
if (node->custom1 == SHD_SPACE_OBJECT) {
return GPU_stack_link(mat, node, "node_displacement_object", in, out);
}
return GPU_stack_link(mat, node, "node_displacement_world", in, out);
}
} // namespace blender::nodes::node_shader_displacement_cc
/* node type definition */
void register_node_type_sh_displacement()
{
namespace file_ns = blender::nodes::node_shader_displacement_cc;
static bNodeType ntype;
sh_node_type_base(&ntype, SH_NODE_DISPLACEMENT, "Displacement", NODE_CLASS_OP_VECTOR);
ntype.declare = file_ns::node_declare;
node_type_init(&ntype, file_ns::node_shader_init_displacement);
node_type_gpu(&ntype, file_ns::gpu_shader_displacement);
nodeRegisterType(&ntype);
}
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