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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "BKE_material.h"
#include "BKE_mesh.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "node_geometry_util.hh"
namespace blender::nodes {
static void geo_node_mesh_primitive_cylinder_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Int>(N_("Vertices"))
.default_value(32)
.min(3)
.max(512)
.description(N_("The number of vertices around the circumference"));
b.add_input<decl::Int>(N_("Side Segments"))
.default_value(1)
.min(1)
.max(512)
.description(N_("The number of segments along the side"));
b.add_input<decl::Int>(N_("Fill Segments"))
.default_value(1)
.min(1)
.max(512)
.description(N_("The number of concentric segments of the fill"));
b.add_input<decl::Float>(N_("Radius"))
.default_value(1.0f)
.min(0.0f)
.subtype(PROP_DISTANCE)
.description(N_("The radius of the cylinder"));
b.add_input<decl::Float>(N_("Depth"))
.default_value(2.0f)
.min(0.0f)
.subtype(PROP_DISTANCE)
.description(N_("The height of the cylinder on the Z axis"));
b.add_output<decl::Geometry>(N_("Mesh"));
}
static void geo_node_mesh_primitive_cylinder_layout(uiLayout *layout,
bContext *UNUSED(C),
PointerRNA *ptr)
{
uiLayoutSetPropSep(layout, true);
uiLayoutSetPropDecorate(layout, false);
uiItemR(layout, ptr, "fill_type", 0, nullptr, ICON_NONE);
}
static void geo_node_mesh_primitive_cylinder_init(bNodeTree *UNUSED(ntree), bNode *node)
{
NodeGeometryMeshCylinder *node_storage = (NodeGeometryMeshCylinder *)MEM_callocN(
sizeof(NodeGeometryMeshCylinder), __func__);
node_storage->fill_type = GEO_NODE_MESH_CIRCLE_FILL_NGON;
node->storage = node_storage;
}
static void geo_node_mesh_primitive_cylinder_update(bNodeTree *UNUSED(ntree), bNode *node)
{
bNodeSocket *vertices_socket = (bNodeSocket *)node->inputs.first;
bNodeSocket *rings_socket = vertices_socket->next;
bNodeSocket *fill_subdiv_socket = rings_socket->next;
const NodeGeometryMeshCone &storage = *(const NodeGeometryMeshCone *)node->storage;
const GeometryNodeMeshCircleFillType fill_type =
static_cast<const GeometryNodeMeshCircleFillType>(storage.fill_type);
const bool has_fill = fill_type != GEO_NODE_MESH_CIRCLE_FILL_NONE;
nodeSetSocketAvailability(fill_subdiv_socket, has_fill);
}
static void geo_node_mesh_primitive_cylinder_exec(GeoNodeExecParams params)
{
const bNode &node = params.node();
const NodeGeometryMeshCylinder &storage = *(const NodeGeometryMeshCylinder *)node.storage;
const GeometryNodeMeshCircleFillType fill_type = (const GeometryNodeMeshCircleFillType)
storage.fill_type;
const float radius = params.extract_input<float>("Radius");
const float depth = params.extract_input<float>("Depth");
const int circle_segments = params.extract_input<int>("Vertices");
if (circle_segments < 3) {
params.error_message_add(NodeWarningType::Info, TIP_("Vertices must be at least 3"));
params.set_output("Mesh", GeometrySet());
return;
}
const int side_segments = params.extract_input<int>("Side Segments");
if (side_segments < 1) {
params.error_message_add(NodeWarningType::Info, TIP_("Side Segments must be at least 1"));
params.set_output("Mesh", GeometrySet());
return;
}
const bool no_fill = fill_type == GEO_NODE_MESH_CIRCLE_FILL_NONE;
const int fill_segments = no_fill ? 1 : params.extract_input<int>("Fill Segments");
if (fill_segments < 1) {
params.error_message_add(NodeWarningType::Info, TIP_("Fill Segments must be at least 1"));
params.set_output("Mesh", GeometrySet());
return;
}
/* The cylinder is a special case of the cone mesh where the top and bottom radius are equal. */
Mesh *mesh = create_cylinder_or_cone_mesh(
radius, radius, depth, circle_segments, side_segments, fill_segments, fill_type);
params.set_output("Mesh", GeometrySet::create_with_mesh(mesh));
}
} // namespace blender::nodes
void register_node_type_geo_mesh_primitive_cylinder()
{
static bNodeType ntype;
geo_node_type_base(&ntype, GEO_NODE_MESH_PRIMITIVE_CYLINDER, "Cylinder", NODE_CLASS_GEOMETRY, 0);
node_type_init(&ntype, blender::nodes::geo_node_mesh_primitive_cylinder_init);
node_type_update(&ntype, blender::nodes::geo_node_mesh_primitive_cylinder_update);
node_type_storage(
&ntype, "NodeGeometryMeshCylinder", node_free_standard_storage, node_copy_standard_storage);
ntype.declare = blender::nodes::geo_node_mesh_primitive_cylinder_declare;
ntype.geometry_node_execute = blender::nodes::geo_node_mesh_primitive_cylinder_exec;
ntype.draw_buttons = blender::nodes::geo_node_mesh_primitive_cylinder_layout;
nodeRegisterType(&ntype);
}
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