Files
test/source/blender/nodes/NOD_geometry_nodes_values.hh
2025-07-31 17:18:59 +02:00

90 lines
3.3 KiB
C++

/* SPDX-FileCopyrightText: 2025 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma once
#include "BKE_node.hh"
#include "BKE_volume_grid_fwd.hh"
#include "BLI_color.hh"
#include "BLI_math_quaternion_types.hh"
#include "BLI_math_vector_types.hh"
#include "BLI_memory_utils.hh"
#include "FN_field.hh"
#include "FN_lazy_function.hh"
#include "FN_multi_function.hh"
#include "NOD_geometry_nodes_bundle_fwd.hh"
#include "NOD_geometry_nodes_closure_fwd.hh"
#include "NOD_geometry_nodes_list_fwd.hh"
namespace blender {
namespace bke {
class SocketValueVariant;
}
namespace nodes {
struct GeoNodesUserData;
}
} // namespace blender
namespace blender::nodes {
/** True if a static type can also exist as field in Geometry Nodes. */
template<typename T>
static constexpr bool geo_nodes_is_field_base_type_v = is_same_any_v<T,
float,
int,
bool,
ColorGeometry4f,
float3,
std::string,
math::Quaternion,
float4x4>;
/** True if Geometry Nodes sockets can store values of the given type and the type is stored
* embedded in a #SocketValueVariant. */
template<typename T>
static constexpr bool geo_nodes_type_stored_as_SocketValueVariant_v =
std::is_enum_v<T> || geo_nodes_is_field_base_type_v<T> || fn::is_field_v<T> ||
bke::is_VolumeGrid_v<T> ||
is_same_any_v<T,
fn::GField,
bke::GVolumeGrid,
nodes::BundlePtr,
nodes::ClosurePtr,
nodes::ListPtr>;
/**
* Executes a multi-function. If all inputs are single values, the results will also be single
* values. If any input is a field, the outputs will also be fields.
*/
[[nodiscard]] bool execute_multi_function_on_value_variant(
const mf::MultiFunction &fn,
const std::shared_ptr<mf::MultiFunction> &owned_fn,
const Span<bke::SocketValueVariant *> input_values,
const Span<bke::SocketValueVariant *> output_values,
GeoNodesUserData *user_data,
std::string &r_error_message);
/**
* Performs implicit conversion between socket types. Returns false if the conversion is not
* possible. In that case, r_to_value is left uninitialized.
*/
[[nodiscard]] bool implicitly_convert_socket_value(const bke::bNodeSocketType &from_type,
const void *from_value,
const bke::bNodeSocketType &to_type,
void *r_to_value);
/**
* Builds a lazy-function that can convert between socket types. Returns null if the conversion is
* never possible.
*/
const fn::lazy_function::LazyFunction *build_implicit_conversion_lazy_function(
const bke::bNodeSocketType &from_type,
const bke::bNodeSocketType &to_type,
ResourceScope &scope);
} // namespace blender::nodes