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
|
/*
* 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 "BLI_math_matrix.h"
#include "DNA_collection_types.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "node_geometry_util.hh"
namespace blender::nodes {
static void geo_node_collection_info_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Collection>("Collection").hide_label(true);
b.add_output<decl::Geometry>("Geometry");
}
static void geo_node_collection_info_layout(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
{
uiItemR(layout, ptr, "transform_space", UI_ITEM_R_EXPAND, nullptr, ICON_NONE);
}
static void geo_node_collection_info_node_init(bNodeTree *UNUSED(tree), bNode *node)
{
NodeGeometryCollectionInfo *data = (NodeGeometryCollectionInfo *)MEM_callocN(
sizeof(NodeGeometryCollectionInfo), __func__);
data->transform_space = GEO_NODE_TRANSFORM_SPACE_ORIGINAL;
node->storage = data;
}
static void geo_node_collection_info_exec(GeoNodeExecParams params)
{
Collection *collection = params.get_input<Collection *>("Collection");
GeometrySet geometry_set_out;
if (collection == nullptr) {
params.set_output("Geometry", geometry_set_out);
return;
}
const bNode &bnode = params.node();
NodeGeometryCollectionInfo *node_storage = (NodeGeometryCollectionInfo *)bnode.storage;
const bool transform_space_relative = (node_storage->transform_space ==
GEO_NODE_TRANSFORM_SPACE_RELATIVE);
InstancesComponent &instances = geometry_set_out.get_component_for_write<InstancesComponent>();
float transform_mat[4][4];
unit_m4(transform_mat);
const Object *self_object = params.self_object();
if (transform_space_relative) {
copy_v3_v3(transform_mat[3], collection->instance_offset);
mul_m4_m4_pre(transform_mat, self_object->imat);
}
const int handle = instances.add_reference(*collection);
instances.add_instance(handle, transform_mat, -1);
params.set_output("Geometry", geometry_set_out);
}
} // namespace blender::nodes
void register_node_type_geo_collection_info()
{
static bNodeType ntype;
geo_node_type_base(&ntype, GEO_NODE_COLLECTION_INFO, "Collection Info", NODE_CLASS_INPUT, 0);
ntype.declare = blender::nodes::geo_node_collection_info_declare;
node_type_init(&ntype, blender::nodes::geo_node_collection_info_node_init);
node_type_storage(&ntype,
"NodeGeometryCollectionInfo",
node_free_standard_storage,
node_copy_standard_storage);
ntype.geometry_node_execute = blender::nodes::geo_node_collection_info_exec;
ntype.draw_buttons = blender::nodes::geo_node_collection_info_layout;
nodeRegisterType(&ntype);
}
|
