7df19cfa67
`BKE_simulation_state_serialize.hh` is not necessary anymore, because the serialization is done at a lower level. The functionality that lived there in the past is now part of `BKE_bake_items_serialize.hh`.
85 lines
2.5 KiB
C++
85 lines
2.5 KiB
C++
/* SPDX-FileCopyrightText: 2023 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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#include "BKE_bake_items_paths.hh"
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#include "BKE_bake_items_serialize.hh"
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#include "BKE_geometry_set.hh"
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#include "BLI_map.hh"
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#include "BLI_sub_frame.hh"
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struct bNodeTree;
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struct ModifierData;
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struct NodesModifierData;
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struct Main;
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namespace blender::bke::sim {
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enum class CacheState {
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/** The cache is up-to-date with the inputs. */
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Valid,
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/**
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* Nodes or input values have changed since the cache was created, i.e. the output would be
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* different if the simulation was run again.
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*/
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Invalid,
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/** The cache has been baked and will not be invalidated by changing inputs. */
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Baked,
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};
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struct SimulationZoneFrameCache {
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SubFrame frame;
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BakeState state;
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/** Used when the baked data is loaded lazily. */
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std::optional<std::string> meta_path;
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};
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struct SimulationZonePrevState {
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BakeState state;
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SubFrame frame;
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};
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struct SimulationZoneCache {
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Vector<std::unique_ptr<SimulationZoneFrameCache>> frame_caches;
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std::optional<SimulationZonePrevState> prev_state;
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std::optional<std::string> bdata_dir;
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std::unique_ptr<BDataSharing> bdata_sharing;
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bool failed_finding_bake = false;
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CacheState cache_state = CacheState::Valid;
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void reset();
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};
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class ModifierSimulationCache {
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public:
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mutable std::mutex mutex;
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Map<int, std::unique_ptr<SimulationZoneCache>> cache_by_zone_id;
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};
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/**
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* Reset all simulation caches in the scene, for use when some fundamental change made them
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* impossible to reuse.
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*/
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void scene_simulation_states_reset(Scene &scene);
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std::optional<bake_paths::BakePath> get_simulation_zone_bake_path(const Main &bmain,
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const Object &object,
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const NodesModifierData &nmd,
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int zone_id);
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std::optional<std::string> get_modifier_simulation_bake_path(const Main &bmain,
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const Object &object,
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const NodesModifierData &nmd);
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/**
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* Get the directory that contains all baked simulation data for the given modifier.
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*/
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std::string get_default_modifier_bake_directory(const Main &bmain,
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const Object &object,
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const ModifierData &md);
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} // namespace blender::bke::sim
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