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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 "BKE_node_ui_storage.hh"
#include "DEG_depsgraph_query.h"
#include "NOD_derived_node_tree.hh"
#include "NOD_geometry_exec.hh"
#include "NOD_type_callbacks.hh"
#include "node_geometry_util.hh"
namespace blender::nodes {
void GeoNodeExecParams::error_message_add(const NodeWarningType type, std::string message) const
{
bNodeTree *btree_cow = node_.node_ref().tree().btree();
BLI_assert(btree_cow != nullptr);
if (btree_cow == nullptr) {
return;
}
bNodeTree *btree_original = (bNodeTree *)DEG_get_original_id((ID *)btree_cow);
const NodeTreeEvaluationContext context(*self_object_, *modifier_);
BKE_nodetree_error_message_add(
*btree_original, context, *node_.bnode(), type, std::move(message));
}
const bNodeSocket *GeoNodeExecParams::find_available_socket(const StringRef name) const
{
for (const DSocket *socket : node_.inputs()) {
if (socket->is_available() && socket->name() == name) {
return socket->bsocket();
}
}
return nullptr;
}
ReadAttributePtr 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. */
if (found_socket == nullptr) {
return component.attribute_get_constant_for_read(domain, type, 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. */
ReadAttributePtr 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,
std::string("No attribute with name '") + name + "'.");
}
return component.attribute_get_constant_for_read(domain, type, default_value);
}
if (found_socket->type == SOCK_FLOAT) {
const float value = this->get_input<float>(found_socket->identifier);
return component.attribute_get_constant_for_read_converted(
domain, CD_PROP_FLOAT, type, &value);
}
if (found_socket->type == SOCK_VECTOR) {
const float3 value = this->get_input<float3>(found_socket->identifier);
return component.attribute_get_constant_for_read_converted(
domain, CD_PROP_FLOAT3, type, &value);
}
if (found_socket->type == SOCK_RGBA) {
const Color4f value = this->get_input<Color4f>(found_socket->identifier);
return component.attribute_get_constant_for_read_converted(
domain, CD_PROP_COLOR, type, &value);
}
BLI_assert(false);
return component.attribute_get_constant_for_read(domain, type, 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);
ReadAttributePtr attribute = component.attribute_try_get_for_read(name);
if (!attribute) {
return default_type;
}
return attribute->custom_data_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);
ReadAttributePtr attribute = component.attribute_try_get_for_read(name);
if (attribute) {
input_domains.append(attribute->domain());
}
}
}
if (input_domains.size() > 0) {
return bke::attribute_domain_highest_priority(input_domains);
}
return default_domain;
}
void GeoNodeExecParams::check_extract_input(StringRef identifier,
const CPPType *requested_type) const
{
bNodeSocket *found_socket = nullptr;
for (const DSocket *socket : node_.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 DSocket *socket : node_.inputs()) {
if (socket->is_available()) {
std::cout << "'" << socket->identifier() << "', ";
}
}
std::cout << "\n";
BLI_assert(false);
}
else if (found_socket->flag & SOCK_UNAVAIL) {
std::cout << "The socket corresponding to the identifier '" << identifier
<< "' is disabled.\n";
BLI_assert(false);
}
else if (!input_values_.contains(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(false);
}
else if (requested_type != nullptr) {
const CPPType &expected_type = *socket_cpp_type_get(*found_socket->typeinfo);
if (*requested_type != expected_type) {
std::cout << "The requested type '" << requested_type->name() << "' is incorrect. Expected '"
<< expected_type.name() << "'.\n";
BLI_assert(false);
}
}
}
void GeoNodeExecParams::check_set_output(StringRef identifier, const CPPType &value_type) const
{
bNodeSocket *found_socket = nullptr;
for (const DSocket *socket : node_.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 DSocket *socket : node_.outputs()) {
if (socket->is_available()) {
std::cout << "'" << socket->identifier() << "', ";
}
}
std::cout << "\n";
BLI_assert(false);
}
else if (found_socket->flag & SOCK_UNAVAIL) {
std::cout << "The socket corresponding to the identifier '" << identifier
<< "' is disabled.\n";
BLI_assert(false);
}
else if (output_values_.contains(identifier)) {
std::cout << "The identifier '" << identifier << "' has been set already.\n";
BLI_assert(false);
}
else {
const CPPType &expected_type = *socket_cpp_type_get(*found_socket->typeinfo);
if (value_type != expected_type) {
std::cout << "The value type '" << value_type.name() << "' is incorrect. Expected '"
<< expected_type.name() << "'.\n";
BLI_assert(false);
}
}
}
} // namespace blender::nodes
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