// handle a Start message. We set a lock when someone clicks Start
// to prevent race conditions.
func handleStart(table channels.Realm, user string, wc WebolithCommunicator,
sender channels.SocketMessageSender) {
log.Println("[DEBUG] In handleStart....")
sendFail := func(errorCode string) {
sender.BroadcastMessage(table, FailMT, errorCode)
}
// XXX: Set a lock for this table on start.
st := gameStates.getState(table)
st.Lock()
defer st.Unlock()
if st.options == nil {
// XXX: This should always be really quick but maybe once in a
// while it'll fail; should prompt user to try again
log.Println("[ERROR] Settings for this table do not yet exist!")
sendFail(FailureSettingsDoNotExist)
return
}
users.wantsToPlay(table, user)
if !users.allowStart(table) {
log.Println("[DEBUG] Start not yet allowed.")
sendFail(FailureNotAllowed)
return
}
if st.going != GameDone {
log.Println("[DEBUG] This game is going or about to start.")
sendFail(FailureGameGoing)
return
}
st.going = GameInitializing
wordList := getWordList(wc, st.options.WordListID)
if wordList == nil {
log.Println("[ERROR] Got nil word list, error!")
sendFail(FailureNullWordList)
return
}
st.setList(wordList)
qToSend := st.nextQuestionSet(st.options.QuestionsToPull)
// Turn the raw alphagrams into full question objects.
fullQResponse, err := getFullQInfo(wc, qToSend, wordList.Lexicon)
if err != nil {
log.Println("[ERROR] Error getting full Q response!", err)
sendFail(FailureQuestionInfo)
return
}
log.Println("[DEBUG] Got full Q response:", string(fullQResponse))
countdown := time.NewTimer(time.Second * time.Duration(CountdownTime))
st.setCountdownTimer(countdown)
st.going = GameCountingDown
sender.BroadcastMessage(table, CountdownMT, strconv.Itoa(CountdownTime))
// Countdown before starting game.
// We should not accept guesses until the game has started.
go handleGameTimer(table, countdown, string(fullQResponse), sender)
log.Println("[DEBUG] Leaving start, mutex should unlock.")
}
func handleGuess(data string, table channels.Realm, user string,
sender channels.SocketMessageSender) {
if gameStates.getGameGoing(table) != GameStarted {
log.Println("[DEBUG] Got a guess when game had not started.")
return
}
answer := gameStates.guess(data, table, user)
if answer == nil {
return
}
// Otherwise, broadcast correct guess and score!
msg, err := json.Marshal(answer)
if err != nil {
log.Println("[ERROR] Marshalling answer", answer, err)
}
sender.BroadcastMessage(table, ScoreMT, string(msg))
}
func handleGameTimer(table channels.Realm, countdown *time.Timer,
questionsToSend string, sender channels.SocketMessageSender) {
<-countdown.C
log.Println("[DEBUG] Finished counting down! About to send qs...")
st := gameStates.getState(table)
st.Lock()
defer st.Unlock()
st.going = GameStarted
sender.BroadcastMessage(table, QuestionsMT, questionsToSend)
sender.BroadcastMessage(table, TimerMT, strconv.Itoa(st.options.TimerSecs))
// Start another nested goroutine here for game over. This looks
// messy, but it seems easy enough to do.
gameOver := time.NewTimer(time.Second * time.Duration(st.options.TimerSecs))
st.setGameTimer(gameOver)
go func() {
<-gameOver.C
log.Println("[DEBUG] This game is over!")
st := gameStates.getState(table)
st.Lock()
defer st.Unlock()
st.going = GameDone
sender.BroadcastMessage(table, GameOverMT, "")
}()
}