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/* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma once
#include <memory>
#include "BLI_sys_types.h"
#include "BLI_utility_mixins.hh"
namespace blender::nodes {
struct FieldInferencingInterface;
}
namespace blender::bke {
class bNodeTreeRuntime : NonCopyable, NonMovable {
public:
/**
* Keeps track of what changed in the node tree until the next update.
* Should not be changed directly, instead use the functions in `BKE_node_tree_update.h`.
* #eNodeTreeChangedFlag.
*/
uint32_t changed_flag = 0;
/**
* A hash of the topology of the node tree leading up to the outputs. This is used to determine
* of the node tree changed in a way that requires updating geometry nodes or shaders.
*/
uint32_t output_topology_hash = 0;
/**
* Used to cache run-time information of the node tree.
* #eNodeTreeRuntimeFlag.
*/
uint8_t runtime_flag = 0;
/** Information about how inputs and outputs of the node group interact with fields. */
std::unique_ptr<nodes::FieldInferencingInterface> field_inferencing_interface;
};
} // namespace blender::bke
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