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Diffstat (limited to 'source/blender/depsgraph/intern/builder/deg_builder_relations_drivers.h')
-rw-r--r-- | source/blender/depsgraph/intern/builder/deg_builder_relations_drivers.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/source/blender/depsgraph/intern/builder/deg_builder_relations_drivers.h b/source/blender/depsgraph/intern/builder/deg_builder_relations_drivers.h new file mode 100644 index 00000000000..c80c69be9e2 --- /dev/null +++ b/source/blender/depsgraph/intern/builder/deg_builder_relations_drivers.h @@ -0,0 +1,76 @@ +/* + * 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. + * + * The Original Code is Copyright (C) 2013 Blender Foundation. + * All rights reserved. + */ + +/** \file + * \ingroup depsgraph + */ + +#pragma once + +#include "BLI_string_ref.hh" + +#include "RNA_types.h" + +#include "intern/builder/deg_builder_relations.h" + +struct FCurve; + +namespace blender { +namespace deg { + +/* Helper class for determining which relations are needed between driver evaluation nodes. */ +class DriverDescriptor { + public: + /* Drivers are grouped by their RNA prefix. The prefix is the part of the RNA + * path up to the last dot, the suffix is the remainder of the RNA path: + * + * fcu->rna_path rna_prefix rna_suffix + * ------------------------------- ---------------------- ---------- + * 'color' '' 'color' + * 'rigidbody_world.time_scale' 'rigidbody_world' 'time_scale' + * 'pose.bones["master"].location' 'pose.bones["master"]' 'location' + */ + StringRef rna_prefix; + StringRef rna_suffix; + + public: + DriverDescriptor(PointerRNA *id_ptr, FCurve *fcu); + + bool driver_relations_needed() const; + bool is_array() const; + /* Assumes that 'other' comes from the same RNA group, that is, has the same RNA path prefix. */ + bool is_same_array_as(const DriverDescriptor &other) const; + OperationKey depsgraph_key() const; + + private: + PointerRNA *id_ptr_; + FCurve *fcu_; + bool driver_relations_needed_; + + PointerRNA pointer_rna_; + PropertyRNA *property_rna_; + bool is_array_; + + bool determine_relations_needed(); + void split_rna_path(); + bool resolve_rna(); +}; + +} // namespace deg +} // namespace blender |