1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
#include "UI_interface.h"
#include "UI_resources.h"
#include "node_geometry_util.hh"
namespace blender::nodes::node_geo_separate_geometry_cc {
NODE_STORAGE_FUNCS(NodeGeometrySeparateGeometry)
static void node_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Geometry>(N_("Geometry"));
b.add_input<decl::Bool>(N_("Selection"))
.default_value(true)
.hide_value()
.supports_field()
.description(N_("The parts of the geometry that go into the first output"));
b.add_output<decl::Geometry>(N_("Selection"))
.description(N_("The parts of the geometry in the selection"));
b.add_output<decl::Geometry>(N_("Inverted"))
.description(N_("The parts of the geometry not in the selection"));
}
static void node_layout(uiLayout *layout, bContext * /*C*/, PointerRNA *ptr)
{
uiItemR(layout, ptr, "domain", 0, "", ICON_NONE);
}
static void node_init(bNodeTree * /*tree*/, bNode *node)
{
NodeGeometrySeparateGeometry *data = MEM_cnew<NodeGeometrySeparateGeometry>(__func__);
data->domain = ATTR_DOMAIN_POINT;
node->storage = data;
}
static void node_geo_exec(GeoNodeExecParams params)
{
GeometrySet geometry_set = params.extract_input<GeometrySet>("Geometry");
const Field<bool> selection_field = params.extract_input<Field<bool>>("Selection");
const NodeGeometrySeparateGeometry &storage = node_storage(params.node());
const eAttrDomain domain = eAttrDomain(storage.domain);
auto separate_geometry_maybe_recursively = [&](GeometrySet &geometry_set,
const Field<bool> &selection) {
bool is_error;
if (domain == ATTR_DOMAIN_INSTANCE) {
/* Only delete top level instances. */
separate_geometry(
geometry_set, domain, GEO_NODE_DELETE_GEOMETRY_MODE_ALL, selection, is_error);
}
else {
geometry_set.modify_geometry_sets([&](GeometrySet &geometry_set) {
separate_geometry(
geometry_set, domain, GEO_NODE_DELETE_GEOMETRY_MODE_ALL, selection, is_error);
});
}
};
GeometrySet second_set(geometry_set);
if (params.output_is_required("Selection")) {
separate_geometry_maybe_recursively(geometry_set, selection_field);
params.set_output("Selection", std::move(geometry_set));
}
if (params.output_is_required("Inverted")) {
separate_geometry_maybe_recursively(second_set, fn::invert_boolean_field(selection_field));
params.set_output("Inverted", std::move(second_set));
}
}
} // namespace blender::nodes::node_geo_separate_geometry_cc
void register_node_type_geo_separate_geometry()
{
namespace file_ns = blender::nodes::node_geo_separate_geometry_cc;
static bNodeType ntype;
geo_node_type_base(&ntype, GEO_NODE_SEPARATE_GEOMETRY, "Separate Geometry", NODE_CLASS_GEOMETRY);
node_type_storage(&ntype,
"NodeGeometrySeparateGeometry",
node_free_standard_storage,
node_copy_standard_storage);
ntype.initfunc = file_ns::node_init;
ntype.declare = file_ns::node_declare;
ntype.geometry_node_execute = file_ns::node_geo_exec;
ntype.draw_buttons = file_ns::node_layout;
nodeRegisterType(&ntype);
}
|
