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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 "node_function_util.hh"
#include "BKE_persistent_data_handle.hh"
static bNodeSocketTemplate fn_node_object_transforms_in[] = {
{SOCK_OBJECT, N_("Object")},
{-1, ""},
};
static bNodeSocketTemplate fn_node_object_transforms_out[] = {
{SOCK_VECTOR, N_("Location")},
{-1, ""},
};
class ObjectTransformsFunction : public blender::fn::MultiFunction {
public:
ObjectTransformsFunction()
{
blender::fn::MFSignatureBuilder signature = this->get_builder("Object Transforms");
signature.depends_on_context();
signature.single_input<blender::bke::PersistentObjectHandle>("Object");
signature.single_output<blender::float3>("Location");
}
void call(blender::IndexMask mask,
blender::fn::MFParams params,
blender::fn::MFContext context) const override
{
blender::fn::VSpan handles =
params.readonly_single_input<blender::bke::PersistentObjectHandle>(0, "Object");
blender::MutableSpan locations = params.uninitialized_single_output<blender::float3>(
1, "Location");
const blender::bke::PersistentDataHandleMap *handle_map =
context.get_global_context<blender::bke::PersistentDataHandleMap>(
"PersistentDataHandleMap");
if (handle_map == nullptr) {
locations.fill_indices(mask, {0, 0, 0});
return;
}
for (int64_t i : mask) {
blender::bke::PersistentObjectHandle handle = handles[i];
const Object *object = handle_map->lookup(handle);
blender::float3 location;
if (object == nullptr) {
location = {0, 0, 0};
}
else {
location = object->loc;
}
locations[i] = location;
}
}
};
static void fn_node_object_transforms_expand_in_mf_network(
blender::nodes::NodeMFNetworkBuilder &builder)
{
static ObjectTransformsFunction fn;
builder.set_matching_fn(fn);
}
void register_node_type_fn_object_transforms()
{
static bNodeType ntype;
fn_node_type_base(&ntype, FN_NODE_OBJECT_TRANSFORMS, "Object Transforms", 0, 0);
node_type_socket_templates(&ntype, fn_node_object_transforms_in, fn_node_object_transforms_out);
ntype.expand_in_mf_network = fn_node_object_transforms_expand_in_mf_network;
nodeRegisterType(&ntype);
}
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