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
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/*
* 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 "UI_interface.h"
#include "UI_resources.h"
#include "FN_multi_function_builder.hh"
#include "node_geometry_util.hh"
namespace blender::nodes {
static void geo_node_point_translate_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Geometry>("Geometry");
b.add_input<decl::String>("Translation");
b.add_input<decl::Vector>("Translation", "Translation_001").subtype(PROP_TRANSLATION);
b.add_input<decl::Bool>("Selection").default_value(true);
b.add_output<decl::Geometry>("Geometry");
}
static void geo_node_point_translate_layout(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
{
uiLayoutSetPropSep(layout, true);
uiLayoutSetPropDecorate(layout, false);
uiItemR(layout, ptr, "input_type", 0, IFACE_("Type"), ICON_NONE);
}
static void execute_on_component_legacy(GeoNodeExecParams params, GeometryComponent &component)
{
OutputAttribute_Typed<float3> position_attribute =
component.attribute_try_get_for_output<float3>("position", ATTR_DOMAIN_POINT, {0, 0, 0});
if (!position_attribute) {
return;
}
GVArray_Typed<float3> attribute = params.get_input_attribute<float3>(
"Translation", component, ATTR_DOMAIN_POINT, {0, 0, 0});
for (const int i : IndexRange(attribute.size())) {
position_attribute->set(i, position_attribute->get(i) + attribute[i]);
}
position_attribute.save();
}
class SpanFieldInput final : public fn::FieldInput {
GSpan span_;
public:
SpanFieldInput(GSpan span) : FieldInput(CPPType::get<float3>(), "Span"), span_(span)
{
}
const GVArray *get_varray_for_context(const fn::FieldContext &UNUSED(context),
IndexMask UNUSED(mask),
ResourceScope &scope) const final
{
return &scope.construct<fn::GVArray_For_GSpan>(__func__, span_);
}
};
static void execute_on_component(GeometryComponent &component,
const Field<bool> &selection_field,
const Field<float3> &translation_field)
{
GeometryComponentFieldContext field_context{component, ATTR_DOMAIN_POINT};
const int domain_size = component.attribute_domain_size(ATTR_DOMAIN_POINT);
fn::FieldEvaluator selection_evaluator{field_context, domain_size};
selection_evaluator.add(selection_field);
selection_evaluator.evaluate();
const IndexMask selection = selection_evaluator.get_evaluated_as_mask(0);
OutputAttribute_Typed<float3> positions = component.attribute_try_get_for_output<float3>(
"position", ATTR_DOMAIN_POINT, {0, 0, 0});
MutableSpan<float3> position_span = positions.as_span();
fn::Field<float3> position_field{std::make_shared<SpanFieldInput>(position_span.as_span())};
/* Add an add operation field on top of the provided translation field, which can be evaluated
* directly into the position virtual array. That way, any optimizations can be done more
* generally for the whole evaluation system. */
static const fn::CustomMF_SI_SI_SO<float3, float3, float3> add_fn = {
"Add", [](float3 a, float3 b) { return a + b; }};
std::shared_ptr<fn::FieldOperation> add_operation = std::make_shared<fn::FieldOperation>(
fn::FieldOperation(add_fn, {position_field, translation_field}));
fn::FieldEvaluator position_evaluator{field_context, &selection};
position_evaluator.add_with_destination({add_operation}, position_span);
position_evaluator.evaluate();
positions.save();
}
static void geo_node_point_translate_exec(GeoNodeExecParams params)
{
GeometrySet geometry_set = params.extract_input<GeometrySet>("Geometry");
geometry_set = geometry_set_realize_instances(geometry_set);
const NodeGeometryPointTranslate &storage =
*(const NodeGeometryPointTranslate *)params.node().storage;
static const Array<GeometryComponentType> types{
GEO_COMPONENT_TYPE_MESH,
GEO_COMPONENT_TYPE_POINT_CLOUD,
GEO_COMPONENT_TYPE_CURVE,
};
/* TODO: Remove legacy string input and add versioning. */
if (storage.input_type == GEO_NODE_ATTRIBUTE_INPUT_ATTRIBUTE) {
for (const GeometryComponentType type : types) {
if (geometry_set.has(type)) {
execute_on_component_legacy(params, geometry_set.get_component_for_write(type));
}
}
params.error_message_add(NodeWarningType::Info, "Selection not supported in legacy mode");
}
else {
Field<bool> selection = params.extract_input<Field<bool>>("Selection");
Field<float3> translation = params.extract_input<Field<float3>>("Translation_001");
for (const GeometryComponentType type : types) {
if (geometry_set.has(type)) {
execute_on_component(geometry_set.get_component_for_write(type), selection, translation);
}
}
}
params.set_output("Geometry", std::move(geometry_set));
}
static void geo_node_point_translate_init(bNodeTree *UNUSED(tree), bNode *node)
{
NodeGeometryPointTranslate *data = (NodeGeometryPointTranslate *)MEM_callocN(
sizeof(NodeGeometryPointTranslate), __func__);
data->input_type = GEO_NODE_ATTRIBUTE_INPUT_VECTOR;
node->storage = data;
}
static void geo_node_point_translate_update(bNodeTree *UNUSED(ntree), bNode *node)
{
NodeGeometryPointTranslate &node_storage = *(NodeGeometryPointTranslate *)node->storage;
update_attribute_input_socket_availabilities(
*node, "Translation", (GeometryNodeAttributeInputMode)node_storage.input_type);
}
} // namespace blender::nodes
void register_node_type_geo_point_translate()
{
static bNodeType ntype;
geo_node_type_base(&ntype, GEO_NODE_POINT_TRANSLATE, "Point Translate", NODE_CLASS_GEOMETRY, 0);
node_type_init(&ntype, blender::nodes::geo_node_point_translate_init);
node_type_update(&ntype, blender::nodes::geo_node_point_translate_update);
node_type_storage(&ntype,
"NodeGeometryPointTranslate",
node_free_standard_storage,
node_copy_standard_storage);
ntype.declare = blender::nodes::geo_node_point_translate_declare;
ntype.geometry_node_execute = blender::nodes::geo_node_point_translate_exec;
ntype.draw_buttons = blender::nodes::geo_node_point_translate_layout;
nodeRegisterType(&ntype);
}
|
