openMSX
StateChangeDistributor.hh
Go to the documentation of this file.
1#ifndef STATECHANGEDISTRIBUTOR_HH
2#define STATECHANGEDISTRIBUTOR_HH
3
4#include "ReverseManager.hh"
6#include "EmuTime.hh"
7#include <memory>
8#include <vector>
9
10namespace openmsx {
11
13{
14public:
17
23
31 void registerRecorder (ReverseManager& recorder);
32 void unregisterRecorder(ReverseManager& recorder);
33
47 template<typename T, typename... Args>
48 void distributeNew(EmuTime::param time, Args&& ...args) {
49 if (recorder) {
50 if (isReplaying()) {
51 if (viewOnlyMode) return;
52 stopReplay(time);
53 }
54 assert(!isReplaying());
55 const auto& event = recorder->record<T>(time, std::forward<Args>(args)...);
56 distribute(event); // might throw, ok
57 } else {
58 T event(time, std::forward<Args>(args)...);
59 distribute(event); // might throw, ok
60 }
61 }
62
63 void distributeReplay(const StateChange& event) {
64 assert(isReplaying());
65 distribute(event);
66 }
67
74 void stopReplay(EmuTime::param time);
75
81 void setViewOnlyMode(bool value) { viewOnlyMode = value; }
82 [[nodiscard]] bool isViewOnlyMode() const { return viewOnlyMode; }
83
84 [[nodiscard]] bool isReplaying() const;
85
86private:
87 [[nodiscard]] bool isRegistered(StateChangeListener* listener) const;
88 void distribute(const StateChange& event);
89
90private:
91 std::vector<StateChangeListener*> listeners; // unordered
92 ReverseManager* recorder = nullptr;
93 bool viewOnlyMode = false;
94};
95
96} // namespace openmsx
97
98#endif
StateChange & record(EmuTime::param time, Args &&...args)
void unregisterRecorder(ReverseManager &recorder)
void registerListener(StateChangeListener &listener)
(Un)registers the given object to receive state change events.
void distributeNew(EmuTime::param time, Args &&...args)
Deliver the event to all registered listeners MSX input devices should call the distributeNew() versi...
void registerRecorder(ReverseManager &recorder)
(Un)registers the given object to receive state change events.
void unregisterListener(StateChangeListener &listener)
void setViewOnlyMode(bool value)
Set viewOnlyMode.
void stopReplay(EmuTime::param time)
Explicitly stop replay.
void distributeReplay(const StateChange &event)
Base class for all external MSX state changing events.
Definition: StateChange.hh:20
This file implemented 3 utility functions:
Definition: Autofire.cc:9