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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_modifier_types.h"
#include "DEG_depsgraph_query.h"
#include "NOD_geometry_exec.hh"
#include "NOD_type_conversions.hh"
#include "node_geometry_util.hh"
using blender::nodes::geometry_nodes_eval_log::LocalGeoLogger;
namespace blender::nodes {
void GeoNodeExecParams::error_message_add(const NodeWarningType type, std::string message) const
{
if (provider_->logger == nullptr) {
return;
}
LocalGeoLogger &local_logger = provider_->logger->local();
local_logger.log_node_warning(provider_->dnode, type, std::move(message));
}
void GeoNodeExecParams::check_input_geometry_set(StringRef identifier,
const GeometrySet &geometry_set) const
{
const int input_index = provider_->dnode->input_by_identifier(identifier).index();
const SocketDeclaration &decl = *provider_->dnode->declaration()->inputs()[input_index];
const decl::Geometry *geo_decl = dynamic_cast<const decl::Geometry *>(&decl);
if (geo_decl == nullptr) {
return;
}
const bool only_realized_data = geo_decl->only_realized_data();
const bool only_instances = geo_decl->only_instances();
const Span<GeometryComponentType> supported_types = geo_decl->supported_types();
if (only_realized_data) {
if (geometry_set.has_instances()) {
this->error_message_add(NodeWarningType::Info, "Instances in input geometry are ignored");
}
}
if (only_instances) {
if (geometry_set.has_realized_data()) {
this->error_message_add(NodeWarningType::Info,
"Realized data in input geometry are ignored");
}
}
if (supported_types.is_empty()) {
/* Assume all types are supported. */
return;
}
const Vector<GeometryComponentType> types_in_geometry = geometry_set.gather_component_types(
true, true);
for (const GeometryComponentType type : types_in_geometry) {
if (type == GEO_COMPONENT_TYPE_INSTANCES) {
continue;
}
if (supported_types.contains(type)) {
continue;
}
std::string message = TIP_("Input geometry has unsupported type: ");
switch (type) {
case GEO_COMPONENT_TYPE_MESH: {
message += TIP_("Mesh");
break;
}
case GEO_COMPONENT_TYPE_POINT_CLOUD: {
message += TIP_("Point Cloud");
break;
}
case GEO_COMPONENT_TYPE_INSTANCES: {
BLI_assert_unreachable();
break;
}
case GEO_COMPONENT_TYPE_VOLUME: {
message += TIP_("Volume");
break;
}
case GEO_COMPONENT_TYPE_CURVE: {
message += TIP_("Curve");
break;
}
}
this->error_message_add(NodeWarningType::Info, std::move(message));
}
}
const bNodeSocket *GeoNodeExecParams::find_available_socket(const StringRef name) const
{
for (const InputSocketRef *socket : provider_->dnode->inputs()) {
if (socket->is_available() && socket->name() == name) {
return socket->bsocket();
}
}
return nullptr;
}
GVArrayPtr GeoNodeExecParams::get_input_attribute(const StringRef name,
const GeometryComponent &component,
const AttributeDomain domain,
const CustomDataType type,
const void *default_value) const
{
const bNodeSocket *found_socket = this->find_available_socket(name);
BLI_assert(found_socket != nullptr); /* There should always be available socket for the name. */
const CPPType *cpp_type = bke::custom_data_type_to_cpp_type(type);
const int64_t domain_size = component.attribute_domain_size(domain);
if (default_value == nullptr) {
default_value = cpp_type->default_value();
}
if (found_socket == nullptr) {
return std::make_unique<fn::GVArray_For_SingleValue>(*cpp_type, domain_size, default_value);
}
if (found_socket->type == SOCK_STRING) {
const std::string name = this->get_input<std::string>(found_socket->identifier);
/* Try getting the attribute without the default value. */
GVArrayPtr attribute = component.attribute_try_get_for_read(name, domain, type);
if (attribute) {
return attribute;
}
/* If the attribute doesn't exist, use the default value and output an error message
* (except when the field is empty, to avoid spamming error messages, and not when
* the domain is empty and we don't expect an attribute anyway). */
if (!name.empty() && component.attribute_domain_size(domain) != 0) {
this->error_message_add(NodeWarningType::Error,
TIP_("No attribute with name \"") + name + "\"");
}
return std::make_unique<fn::GVArray_For_SingleValue>(*cpp_type, domain_size, default_value);
}
const DataTypeConversions &conversions = get_implicit_type_conversions();
if (found_socket->type == SOCK_FLOAT) {
const float value = this->get_input<float>(found_socket->identifier);
BUFFER_FOR_CPP_TYPE_VALUE(*cpp_type, buffer);
conversions.convert_to_uninitialized(CPPType::get<float>(), *cpp_type, &value, buffer);
return std::make_unique<fn::GVArray_For_SingleValue>(*cpp_type, domain_size, buffer);
}
if (found_socket->type == SOCK_INT) {
const int value = this->get_input<int>(found_socket->identifier);
BUFFER_FOR_CPP_TYPE_VALUE(*cpp_type, buffer);
conversions.convert_to_uninitialized(CPPType::get<int>(), *cpp_type, &value, buffer);
return std::make_unique<fn::GVArray_For_SingleValue>(*cpp_type, domain_size, buffer);
}
if (found_socket->type == SOCK_VECTOR) {
const float3 value = this->get_input<float3>(found_socket->identifier);
BUFFER_FOR_CPP_TYPE_VALUE(*cpp_type, buffer);
conversions.convert_to_uninitialized(CPPType::get<float3>(), *cpp_type, &value, buffer);
return std::make_unique<fn::GVArray_For_SingleValue>(*cpp_type, domain_size, buffer);
}
if (found_socket->type == SOCK_RGBA) {
const ColorGeometry4f value = this->get_input<ColorGeometry4f>(found_socket->identifier);
BUFFER_FOR_CPP_TYPE_VALUE(*cpp_type, buffer);
conversions.convert_to_uninitialized(
CPPType::get<ColorGeometry4f>(), *cpp_type, &value, buffer);
return std::make_unique<fn::GVArray_For_SingleValue>(*cpp_type, domain_size, buffer);
}
BLI_assert(false);
return std::make_unique<fn::GVArray_For_SingleValue>(*cpp_type, domain_size, default_value);
}
CustomDataType GeoNodeExecParams::get_input_attribute_data_type(
const StringRef name,
const GeometryComponent &component,
const CustomDataType default_type) const
{
const bNodeSocket *found_socket = this->find_available_socket(name);
BLI_assert(found_socket != nullptr); /* There should always be available socket for the name. */
if (found_socket == nullptr) {
return default_type;
}
if (found_socket->type == SOCK_STRING) {
const std::string name = this->get_input<std::string>(found_socket->identifier);
std::optional<AttributeMetaData> info = component.attribute_get_meta_data(name);
if (info) {
return info->data_type;
}
return default_type;
}
if (found_socket->type == SOCK_FLOAT) {
return CD_PROP_FLOAT;
}
if (found_socket->type == SOCK_VECTOR) {
return CD_PROP_FLOAT3;
}
if (found_socket->type == SOCK_RGBA) {
return CD_PROP_COLOR;
}
if (found_socket->type == SOCK_BOOLEAN) {
return CD_PROP_BOOL;
}
BLI_assert(false);
return default_type;
}
/**
* If any of the corresponding input sockets are attributes instead of single values,
* use the highest priority attribute domain from among them.
* Otherwise return the default domain.
*/
AttributeDomain GeoNodeExecParams::get_highest_priority_input_domain(
Span<std::string> names,
const GeometryComponent &component,
const AttributeDomain default_domain) const
{
Vector<AttributeDomain, 8> input_domains;
for (const std::string &name : names) {
const bNodeSocket *found_socket = this->find_available_socket(name);
BLI_assert(found_socket != nullptr); /* A socket should be available socket for the name. */
if (found_socket == nullptr) {
continue;
}
if (found_socket->type == SOCK_STRING) {
const std::string name = this->get_input<std::string>(found_socket->identifier);
std::optional<AttributeMetaData> info = component.attribute_get_meta_data(name);
if (info) {
input_domains.append(info->domain);
}
}
}
if (input_domains.size() > 0) {
return bke::attribute_domain_highest_priority(input_domains);
}
return default_domain;
}
std::string GeoNodeExecParams::attribute_producer_name() const
{
return provider_->dnode->label_or_name() + TIP_(" node");
}
void GeoNodeExecParams::check_input_access(StringRef identifier,
const CPPType *requested_type) const
{
bNodeSocket *found_socket = nullptr;
for (const InputSocketRef *socket : provider_->dnode->inputs()) {
if (socket->identifier() == identifier) {
found_socket = socket->bsocket();
break;
}
}
if (found_socket == nullptr) {
std::cout << "Did not find an input socket with the identifier '" << identifier << "'.\n";
std::cout << "Possible identifiers are: ";
for (const InputSocketRef *socket : provider_->dnode->inputs()) {
if (socket->is_available()) {
std::cout << "'" << socket->identifier() << "', ";
}
}
std::cout << "\n";
BLI_assert_unreachable();
}
else if (found_socket->flag & SOCK_UNAVAIL) {
std::cout << "The socket corresponding to the identifier '" << identifier
<< "' is disabled.\n";
BLI_assert_unreachable();
}
else if (!provider_->can_get_input(identifier)) {
std::cout << "The identifier '" << identifier
<< "' is valid, but there is no value for it anymore.\n";
std::cout << "Most likely it has been extracted before.\n";
BLI_assert_unreachable();
}
else if (requested_type != nullptr) {
const CPPType &expected_type = *found_socket->typeinfo->get_geometry_nodes_cpp_type();
if (*requested_type != expected_type) {
std::cout << "The requested type '" << requested_type->name() << "' is incorrect. Expected '"
<< expected_type.name() << "'.\n";
BLI_assert_unreachable();
}
}
}
void GeoNodeExecParams::check_output_access(StringRef identifier, const CPPType &value_type) const
{
bNodeSocket *found_socket = nullptr;
for (const OutputSocketRef *socket : provider_->dnode->outputs()) {
if (socket->identifier() == identifier) {
found_socket = socket->bsocket();
break;
}
}
if (found_socket == nullptr) {
std::cout << "Did not find an output socket with the identifier '" << identifier << "'.\n";
std::cout << "Possible identifiers are: ";
for (const OutputSocketRef *socket : provider_->dnode->outputs()) {
if (socket->is_available()) {
std::cout << "'" << socket->identifier() << "', ";
}
}
std::cout << "\n";
BLI_assert_unreachable();
}
else if (found_socket->flag & SOCK_UNAVAIL) {
std::cout << "The socket corresponding to the identifier '" << identifier
<< "' is disabled.\n";
BLI_assert_unreachable();
}
else if (!provider_->can_set_output(identifier)) {
std::cout << "The identifier '" << identifier << "' has been set already.\n";
BLI_assert_unreachable();
}
else {
const CPPType &expected_type = *found_socket->typeinfo->get_geometry_nodes_cpp_type();
if (value_type != expected_type) {
std::cout << "The value type '" << value_type.name() << "' is incorrect. Expected '"
<< expected_type.name() << "'.\n";
BLI_assert_unreachable();
}
}
}
} // namespace blender::nodes
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