This repository has been archived on 2023-10-09. You can view files and clone it. You cannot open issues or pull requests or push a commit.
Files
blender-archive/source/blender/nodes/intern/node_geometry_exec.cc

244 lines
7.7 KiB
C++

/* SPDX-License-Identifier: GPL-2.0-or-later */
#include "DNA_modifier_types.h"
#include "DEG_depsgraph_query.h"
#include "BKE_curves.hh"
#include "BKE_type_conversions.hh"
#include "NOD_geometry_exec.hh"
#include "BLI_hash_md5.h"
#include "node_geometry_util.hh"
namespace blender::nodes {
NodeAnonymousAttributeID::NodeAnonymousAttributeID(const Object &object,
const ComputeContext &compute_context,
const bNode &bnode,
const StringRef identifier,
const StringRef name)
: socket_name_(name)
{
const ComputeContextHash &hash = compute_context.hash();
{
std::stringstream ss;
ss << hash << "_" << object.id.name << "_" << bnode.identifier << "_" << identifier;
long_name_ = ss.str();
}
{
uint64_t hash_result[2];
BLI_hash_md5_buffer(long_name_.data(), long_name_.size(), hash_result);
std::stringstream ss;
ss << ".a_" << std::hex << hash_result[0] << hash_result[1];
name_ = ss.str();
BLI_assert(name_.size() < MAX_CUSTOMDATA_LAYER_NAME);
}
}
std::string NodeAnonymousAttributeID::user_name() const
{
return socket_name_;
}
void GeoNodeExecParams::error_message_add(const NodeWarningType type,
const StringRef message) const
{
if (geo_eval_log::GeoTreeLogger *tree_logger = this->get_local_tree_logger()) {
tree_logger->node_warnings.append(
{node_.identifier, {type, tree_logger->allocator->copy_string(message)}});
}
}
void GeoNodeExecParams::used_named_attribute(const StringRef attribute_name,
const NamedAttributeUsage usage)
{
if (geo_eval_log::GeoTreeLogger *tree_logger = this->get_local_tree_logger()) {
tree_logger->used_named_attributes.append(
{node_.identifier, tree_logger->allocator->copy_string(attribute_name), usage});
}
}
void GeoNodeExecParams::check_input_geometry_set(StringRef identifier,
const GeometrySet &geometry_set) const
{
const SocketDeclaration &decl = *node_.input_by_identifier(identifier).runtime->declaration;
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,
TIP_("Instances in input geometry are ignored"));
}
}
if (only_instances) {
if (geometry_set.has_realized_data()) {
this->error_message_add(NodeWarningType::Info,
TIP_("Realized data in input geometry is 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;
}
case GEO_COMPONENT_TYPE_EDIT: {
continue;
}
}
this->error_message_add(NodeWarningType::Info, std::move(message));
}
}
void GeoNodeExecParams::check_output_geometry_set(const GeometrySet &geometry_set) const
{
UNUSED_VARS_NDEBUG(geometry_set);
#ifdef DEBUG
if (const bke::CurvesEditHints *curve_edit_hints =
geometry_set.get_curve_edit_hints_for_read()) {
/* If this is not valid, it's likely that the number of stored deformed points does not match
* the number of points in the original data. */
BLI_assert(curve_edit_hints->is_valid());
}
#endif
}
const bNodeSocket *GeoNodeExecParams::find_available_socket(const StringRef name) const
{
for (const bNodeSocket *socket : node_.input_sockets()) {
if (socket->is_available() && socket->name == name) {
return socket;
}
}
return nullptr;
}
std::string GeoNodeExecParams::attribute_producer_name() const
{
return node_.label_or_name() + TIP_(" node");
}
void GeoNodeExecParams::set_default_remaining_outputs()
{
params_.set_default_remaining_outputs();
}
void GeoNodeExecParams::check_input_access(StringRef identifier,
const CPPType *requested_type) const
{
const bNodeSocket *found_socket = nullptr;
for (const bNodeSocket *socket : node_.input_sockets()) {
if (socket->identifier == identifier) {
found_socket = socket;
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 bNodeSocket *socket : node_.input_sockets()) {
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 (requested_type != nullptr && (found_socket->flag & SOCK_MULTI_INPUT) == 0) {
const CPPType &expected_type = *found_socket->typeinfo->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
{
const bNodeSocket *found_socket = nullptr;
for (const bNodeSocket *socket : node_.output_sockets()) {
if (socket->identifier == identifier) {
found_socket = socket;
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 bNodeSocket *socket : node_.output_sockets()) {
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 (params_.output_was_set(this->get_output_index(identifier))) {
std::cout << "The identifier '" << identifier << "' has been set already.\n";
BLI_assert_unreachable();
}
else {
const CPPType &expected_type = *found_socket->typeinfo->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