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FSM is now even cleaner, as long as you don't look at that CPP macro.

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master
Zed A. Shaw 3 months ago
parent c9425aebf9
commit f632f2d5af
6 changed files with 51 additions and 53 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 16
      builder.cpp
  2. 36
      builder.hpp
  3. 4
      fsm.hpp
  4. 16
      game_engine.cpp
  5. 26
      game_engine.hpp
  6. 6
      tests/fsm.cpp

16
builder.cpp
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@ -73,7 +73,7 @@ MatchResult Builder::parse_line(const string &line) {
}
}
void Builder::building(BuildEvent ev) {
void Builder::BUILDING(BuildEvent ev) {
// check if there's output
if(build_done) {
int rc = pclose(build_out);
@ -100,7 +100,7 @@ void Builder::building(BuildEvent ev) {
}
}
void Builder::start(BuildEvent ev) {
void Builder::START(BuildEvent ev) {
gui.output(format("Using build command: {}", build_cmd));
fileWatcher = new efsw::FileWatcher();
dbc::check(fileWatcher != nullptr, "Failed to create filewatcher.");
@ -120,7 +120,7 @@ void Builder::start(BuildEvent ev) {
state(BuildState::WAITING);
}
void Builder::waiting(BuildEvent ev) {
void Builder::WAITING(BuildEvent ev) {
if(listener->changes) {
game.event(GameEvent::BUILD_START);
gui.building();
@ -129,7 +129,7 @@ void Builder::waiting(BuildEvent ev) {
}
}
void Builder::forking(BuildEvent ev) {
void Builder::FORKING(BuildEvent ev) {
if(build_fut.valid()) {
std::future_status status = build_fut.wait_for(0ms);
@ -148,7 +148,7 @@ void Builder::forking(BuildEvent ev) {
}
}
void Builder::reading(BuildEvent ev) {
void Builder::READING(BuildEvent ev) {
// BUG: too much copy-pasta so turn this into a class?
if(read_fut.valid()) {
std::future_status status = read_fut.wait_for(0ms);
@ -166,7 +166,7 @@ void Builder::reading(BuildEvent ev) {
}
}
void Builder::done(BuildEvent ev) {
void Builder::DONE(BuildEvent ev) {
if(game.is_dead()) {
gui.you_died();
}
@ -176,7 +176,7 @@ void Builder::done(BuildEvent ev) {
state(BuildState::WAITING);
}
void Builder::exit(BuildEvent ev) {
void Builder::EXIT(BuildEvent ev) {
if(ev == QUIT) {
fileWatcher->removeWatch(wid);
git_libgit2_shutdown();
@ -184,7 +184,7 @@ void Builder::exit(BuildEvent ev) {
}
}
void Builder::error(BuildEvent ev) {
void Builder::ERROR(BuildEvent ev) {
// how to avoid doing this more than once?
if(ev == CRASH) {
if(repo != nullptr) git_repository_free(repo);

36
builder.hpp
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@ -56,31 +56,31 @@ class Builder : DeadSimpleFSM<BuildState, BuildEvent> {
void event(BuildEvent ev) {
try {
if(ev == QUIT) {
exit(ev);
EXIT(ev);
}
switch(_state) {
FSM_STATE(BuildState, BUILDING, building, ev);
FSM_STATE(BuildState, START, start, ev);
FSM_STATE(BuildState, WAITING, waiting, ev);
FSM_STATE(BuildState, DONE, done, ev);
FSM_STATE(BuildState, FORKING, forking, ev);
FSM_STATE(BuildState, READING, reading, ev);
FSM_STATE(BuildState, EXIT, exit, ev);
FSM_STATE(BuildState, ERROR, exit, ev);
FSM_STATE(BuildState, BUILDING, ev);
FSM_STATE(BuildState, START, ev);
FSM_STATE(BuildState, WAITING, ev);
FSM_STATE(BuildState, DONE, ev);
FSM_STATE(BuildState, FORKING, ev);
FSM_STATE(BuildState, READING, ev);
FSM_STATE(BuildState, EXIT, ev);
FSM_STATE(BuildState, ERROR, ev);
}
} catch(...) {
fmt::println("ERROR: unhandled state: {}", int(_state));
error(ev);
ERROR(ev);
}
}
void building(BuildEvent ev);
void start(BuildEvent ev);
void waiting(BuildEvent ev);
void done(BuildEvent ev);
void forking(BuildEvent ev);
void reading(BuildEvent ev);
void error(BuildEvent ev);
void exit(BuildEvent ev);
void BUILDING(BuildEvent ev);
void START(BuildEvent ev);
void WAITING(BuildEvent ev);
void DONE(BuildEvent ev);
void FORKING(BuildEvent ev);
void READING(BuildEvent ev);
void ERROR(BuildEvent ev);
void EXIT(BuildEvent ev);
};

4
fsm.hpp
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@ -3,9 +3,9 @@
#include <fmt/core.h>
#ifndef FSM_DEBUG
#define FSM_STATE(C, S, F, E, ...) case C::S: F(E, ##__VA_ARGS__); break
#define FSM_STATE(C, S, E, ...) case C::S: S(E, ##__VA_ARGS__); break
#else
#define FSM_STATE(C, S, F, E, ...) case C::S: fmt::println(">> " #C " " #S ":" #F " event={}, state={}", int(E), int(_state)); F(E, ##__VA_ARGS__); fmt::println("<< " #C " state={}", int(_state)); break
#define FSM_STATE(C, S, E, ...) case C::S: fmt::println(">> " #C " " #S " event={}, state={}", int(E), int(_state)); S(E, ##__VA_ARGS__); fmt::println("<< " #C " state={}", int(_state)); break
#endif
template<typename S, typename E>

16
game_engine.cpp
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@ -54,12 +54,12 @@ bool GameEngine::is_dead() {
return free_death ? false : hit_points <= 0;
}
void GameEngine::start(GameEvent ev) {
void GameEngine::START(GameEvent ev) {
state(GameState::IDLE);
idle(ev);
IDLE(ev);
}
void GameEngine::idle(GameEvent ev) {
void GameEngine::IDLE(GameEvent ev) {
if(ev == GameEvent::BUILD_START) {
hits_taken = 0;
state(GameState::IN_ROUND);
@ -68,7 +68,7 @@ void GameEngine::idle(GameEvent ev) {
}
}
void GameEngine::in_round(GameEvent ev, string &hit_type) {
void GameEngine::IN_ROUND(GameEvent ev, string &hit_type) {
switch(ev) {
case GameEvent::HIT:
hit(hit_type);
@ -91,11 +91,11 @@ void GameEngine::in_round(GameEvent ev, string &hit_type) {
}
}
void GameEngine::dead(GameEvent ev) {
void GameEngine::DEAD(GameEvent ev) {
if(ev == GameEvent::BUILD_DONE) {
reset();
state(GameState::FAILURE);
failure(ev);
FAILURE(ev);
} else if(ev == GameEvent::HIT) {
++hits_taken;
} else {
@ -103,7 +103,7 @@ void GameEngine::dead(GameEvent ev) {
}
}
void GameEngine::success(GameEvent ev) {
void GameEngine::SUCCESS(GameEvent ev) {
assert(ev == GameEvent::BUILD_DONE && "success state expected BUILD_DONE");
++rounds;
++streak;
@ -111,7 +111,7 @@ void GameEngine::success(GameEvent ev) {
state(GameState::IDLE);
}
void GameEngine::failure(GameEvent ev) {
void GameEngine::FAILURE(GameEvent ev) {
assert(ev == GameEvent::BUILD_DONE && "failure state expected BUILD_DONE");
++rounds;
// streak is handled by reset()

26
game_engine.hpp
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@ -50,23 +50,21 @@ class GameEngine : DeadSimpleFSM<GameState, GameEvent> {
void event(GameEvent ev, string hit_type="") {
switch(_state) {
FSM_STATE(GameState, START, start, ev);
FSM_STATE(GameState, IDLE, idle, ev);
FSM_STATE(GameState, DEAD, dead, ev);
FSM_STATE(GameState, SUCCESS, success, ev);
FSM_STATE(GameState, FAILURE, failure, ev);
case GameState::IN_ROUND:
in_round(ev, hit_type);
break;
FSM_STATE(GameState, START, ev);
FSM_STATE(GameState, IDLE, ev);
FSM_STATE(GameState, DEAD, ev);
FSM_STATE(GameState, SUCCESS, ev);
FSM_STATE(GameState, FAILURE, ev);
FSM_STATE(GameState, IN_ROUND, ev, hit_type);
}
}
void start(GameEvent ev);
void idle(GameEvent ev);
void in_round(GameEvent ev, string &hit_type);
void dead(GameEvent ev);
void success(GameEvent ev);
void failure(GameEvent ev);
void START(GameEvent ev);
void IDLE(GameEvent ev);
void IN_ROUND(GameEvent ev, string &hit_type);
void DEAD(GameEvent ev);
void SUCCESS(GameEvent ev);
void FAILURE(GameEvent ev);
void heal();
bool hit(string &type);

6
tests/fsm.cpp
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@ -18,9 +18,9 @@ class MyFSM : public DeadSimpleFSM<MyState, MyEvent> {
public:
void event(MyEvent ev, string data="") {
switch(_state) {
FSM_STATE(MyState, START, START, ev);
FSM_STATE(MyState, RUNNING, RUNNING, ev, data);
FSM_STATE(MyState, END, END, ev);
FSM_STATE(MyState, START, ev);
FSM_STATE(MyState, RUNNING, ev, data);
FSM_STATE(MyState, END, ev);
}
}

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