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author | max-001 <maxsmits21@kpnmail.nl> | 2024-12-20 12:01:36 +0100 |
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committer | max-001 <maxsmits21@kpnmail.nl> | 2024-12-20 12:01:36 +0100 |
commit | 79d3a9f4311e6684b6df83a15ca7844f58c1959c (patch) | |
tree | b2883e83f61cee9edf290a6a7228c7f0b1fbae8a /src/crepe/manager/ReplayManager.h | |
parent | 9140b73e4af7aa925b53e4fb4e6aa7f4ea2e3385 (diff) | |
parent | 03aea832aa0bc2edba2cc5ab4d9f8eba42d355be (diff) |
Merge remote-tracking branch 'origin/master' into max/game
Diffstat (limited to 'src/crepe/manager/ReplayManager.h')
-rw-r--r-- | src/crepe/manager/ReplayManager.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/crepe/manager/ReplayManager.h b/src/crepe/manager/ReplayManager.h new file mode 100644 index 0000000..f06a58b --- /dev/null +++ b/src/crepe/manager/ReplayManager.h @@ -0,0 +1,96 @@ +#pragma once + +#include <unordered_map> + +#include "../util/OptionalRef.h" + +#include "ComponentManager.h" +#include "Manager.h" + +namespace crepe { + +//! Handle to recording held by ReplayManager +typedef size_t recording_t; + +/** + * \brief Replay manager + * + * The replay manager is responsible for creating, storing and restoring ComponentManager + * snapshots. Sequential snapshots can be recorded and replayed in combination with + * ReplaySystem. + */ +class ReplayManager : public Manager { + // TODO: Delete recordings at end of scene + +public: + ReplayManager(Mediator & mediator); + +public: + //! Start a new recording + void record_start(); + /** + * \brief End the latest recording started by \c record_start() + * \returns Handle to recording + */ + recording_t record_end(); + /** + * \brief Play a recording + * \param handle Handle to recording (as returned by \c record_end()) + */ + void play(recording_t handle); + /** + * \brief Delete a recording from memory + * \param handle Handle to recording (as returned by \c record_end()) + */ + void release(recording_t handle); + +public: + //! Internal state + enum State { + IDLE, //!< Not doing anything + RECORDING, //!< Currently recording + PLAYING, //!< Currently playing back a recording + }; + //! Get current internal state + State get_state() const; + +public: + /** + * \brief Record a single frame to the current recording + * + * This function is called by ReplaySystem after the game programmer has called \c + * record_start() + */ + void frame_record(); + /** + * \brief Play the next frame of the current recording + * + * \returns `true` if the recording is finished playing + * \returns `false` if there are more frames + * + * This function also automatically resets the internal state from PLAYING to IDLE at the end + * of a recording. + */ + bool frame_step(); + +private: + /** + * \brief Recording data + */ + struct Recording { + //! Current frame being shown + size_t frame = 0; + //! All frames in recording + std::vector<ComponentManager::Snapshot> frames; + }; + //! Internal state + State state = IDLE; + //! Current recording handle + recording_t id = -1; + //! Current recording data + OptionalRef<Recording> recording; + //! Recording storage + std::unordered_map<recording_t, std::unique_ptr<Recording>> memory; +}; + +} // namespace crepe |