62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright 2013 Blender Foundation. All rights reserved. */
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/** \file
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* \ingroup depsgraph
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*/
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#pragma once
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#include "BLI_string_ref.hh"
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#include "RNA_types.h"
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#include "intern/builder/deg_builder_relations.h"
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struct FCurve;
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namespace blender::deg {
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/* Helper class for determining which relations are needed between driver evaluation nodes. */
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class DriverDescriptor {
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public:
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/**
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* Drivers are grouped by their RNA prefix. The prefix is the part of the RNA
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* path up to the last dot, the suffix is the remainder of the RNA path:
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*
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* \code{.unparsed}
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* fcu->rna_path rna_prefix rna_suffix
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* ------------------------------- ---------------------- ----------
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* 'color' '' 'color'
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* 'rigidbody_world.time_scale' 'rigidbody_world' 'time_scale'
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* 'pose.bones["master"].location' 'pose.bones["master"]' 'location'
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* \endcode
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*/
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StringRef rna_prefix;
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StringRef rna_suffix;
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public:
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DriverDescriptor(PointerRNA *id_ptr, FCurve *fcu);
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bool driver_relations_needed() const;
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bool is_array() const;
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/** Assumes that 'other' comes from the same RNA group, that is, has the same RNA path prefix. */
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bool is_same_array_as(const DriverDescriptor &other) const;
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OperationKey depsgraph_key() const;
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private:
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PointerRNA *id_ptr_;
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FCurve *fcu_;
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bool driver_relations_needed_;
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PointerRNA pointer_rna_;
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PropertyRNA *property_rna_;
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bool is_array_;
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bool determine_relations_needed();
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void split_rna_path();
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bool resolve_rna();
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};
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} // namespace blender::deg
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