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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include "BKE_mesh.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_modifier_types.h"
#include "GEO_mesh_remesh_blocks.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "node_geometry_util.hh"
namespace blender::nodes::node_geo_remesh_cc {
static void node_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Geometry>(N_("Mesh")).supported_type(GEO_COMPONENT_TYPE_MESH);
b.add_input<decl::Int>(N_("Depth"))
.description("Resolution of the octree. Higher values give finer details.")
.default_value(4)
.min(2)
.max(64);
b.add_input<decl::Float>(N_("Scale"))
.description("The ratio of the largest dimension of the model over the size of the grid")
.default_value(0.9f)
.min(0.0f)
.max(0.99f);
b.add_input<decl::Float>(N_("Threshold"))
.description(
"When removing disconnected pieces, minimum size of components to preserve as a ratio "
"of the number of polygons in the largest component")
.default_value(1.0f)
.min(0.01f)
.max(FLT_MAX);
b.add_output<decl::Geometry>(N_("Mesh"));
}
static void node_layout(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
{
uiItemR(layout, ptr, "remesh_blocks_mode", 0, "", ICON_NONE);
}
static void geo_remesh_blocks_init(bNodeTree *UNUSED(ntree), bNode *node)
{
node->custom1 = 0;
}
static void node_geo_exec(GeoNodeExecParams params)
{
GeometrySet geometry_set = params.extract_input<GeometrySet>("Mesh");
const char flag = 0;
const eRemeshBlocksMode mode = static_cast<eRemeshBlocksMode>(params.node().custom1);
const int hermite_num = 1;
const int depth = params.extract_input<int>("Depth");
const float scale = min_ff(params.extract_input<float>("Scale"), 0.99f);
const float threshold = params.extract_input<float>("Threshold");
if (geometry_set.has_mesh()) {
const Mesh *input_mesh = geometry_set.get_mesh_for_read();
Mesh *output_mesh = GEO_mesh_remesh_blocks(
input_mesh, flag, mode, threshold, hermite_num, scale, depth);
BKE_mesh_copy_parameters_for_eval(output_mesh, input_mesh);
BKE_mesh_calc_edges(output_mesh, true, false);
BKE_mesh_normals_tag_dirty(output_mesh);
geometry_set.replace_mesh(output_mesh);
}
params.set_output("Mesh", std::move(geometry_set));
}
} // namespace blender::nodes::node_geo_remesh_cc
void register_node_type_geo_remesh_blocks()
{
namespace file_ns = blender::nodes::node_geo_remesh_cc;
static bNodeType ntype;
geo_node_type_base(&ntype, GEO_NODE_REMESH_BLOCKS, "Remesh Blocks", NODE_CLASS_GEOMETRY);
ntype.declare = file_ns::node_declare;
node_type_init(&ntype, file_ns::geo_remesh_blocks_init);
ntype.geometry_node_execute = file_ns::node_geo_exec;
ntype.draw_buttons = file_ns::node_layout;
nodeRegisterType(&ntype);
}
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