private int multiplier;
public int getMultiplier() { return multiplier; }
- public void setMultiplier(int m){ multiplier = m; }
+ public void setMultiplier(int m) { multiplier = m; }
+
+ class FailedToThrowStonesAndShouldHave extends Exception {}
+ class ThrewMoreStonesThanHad extends Exception {}
private int stones;
public int getStones() { return stones; }
- public void consumeStones(int n) throws InvalidAction {
+ public void consumeStones(int n)
+ throws ThrewMoreStonesThanHad,
+ FailedToThrowStonesAndShouldHave
+ {
if (n > stones) {
- throw new InvalidAction("attempted to throw more stones than they had.");
+ throw new ThrewMoreStonesThanHad();
+ }
+ if (n == 0 && stones > 0) {
+ throw new FailedToThrowStonesAndShouldHave();
}
setStones(stones - n);
}
+ public int consumeMaxStones() {
+ int r = stones;
+ stones = 0;
+ return r;
+ }
+ public int consumeMinStones() {
+ if (stones < 1) {
+ throw new Error("Internal error: tried to consume min stones on an empty heap.");
+ }
+ stones--;
+ return 1;
+ }
public void setStones(int n) {
stones = n;
}
Model.Player model;
View.Player view;
- private String messageString = "";
- public String getMessageString() { return messageString; }
-
@Override
public int getExpectedOutputLines() {
return 1;
}
- static final Pattern rest = Pattern.compile(".*");
- static final Pattern eol = Pattern.compile("\n");
- public int getAction() throws TimeoutException, NumberFormatException {
- Scanner s = new Scanner(getOutputs().get(0));
+ // same-typed positional parameters… a disaster waiting to happen
+ void gameInit(int roadLength, int initialStones) {
+ sendInputLine(String.format("%d %d", roadLength, initialStones));
+ }
+
+ void sendGameTurn() {
+ type = null; //
+ stoneThrow = null; // correctness over stability!
+ messageString = null; //
+
+ sendInputLine(String.format("%d %d %d",
+ model.getTrollDistance(),
+ model.getStones(),
+ model.getOppStones()));
+ execute();
+ }
+
+ static enum Action { Throw, Timeout, Invalid }
+ Action type;
+ Integer stoneThrow;
+ String messageString;
+
+ private void reportMsg(String tag) {
+ System.err.println("Message @" + tag + ": " + messageString);
+ }
+
+ void receiveGameTurn() {
messageString = "";
- try {
- int st = s.nextInt();
- s.useDelimiter(eol);
- if (s.hasNext(rest))
- messageString = s.next(rest);
- return st;
- }
- catch (InputMismatchException e) { throw new NumberFormatException(); }
- catch (NoSuchElementException e) { throw new NumberFormatException(); }
+ try { messageString = getOutputs().get(0); }
+ catch (TimeoutException e) { type = Action.Timeout; return; }
+
+ Scanner s = new Scanner(messageString);
+ try { stoneThrow = s.nextInt(); }
+ catch (InputMismatchException e) { type = Action.Invalid; return; }
+ catch (NoSuchElementException e) { type = Action.Invalid; return; }
+
+ s.useDelimiter(eol);
+ if (s.hasNext(rest)) messageString = s.next(rest);
+ else messageString = "";
+ type = Action.Throw;
}
+
+ private static final Pattern rest = Pattern.compile(".*");
+ private static final Pattern eol = Pattern.compile("\n");
}
gameManager.getPlayer(1).model = model.p1;
for (Player p: gameManager.getPlayers()) {
- p.sendInputLine(String.format("%d %d",
- model.roadLength,
- model.initialStones));
+ p.gameInit(model.roadLength, model.initialStones);
}
view.init(model);
view.startTurn();
- boolean disqual = false;
- boolean victory = false;
- boolean exhausted = false;
-
- int delta = 0;
for (Player player : gameManager.getActivePlayers()) {
- Model.Player p = player.model;
- {
- player.sendInputLine(String.format("%d %d %d",
- p.getTrollDistance(),
- p.getStones(),
- p.getOppStones()));
- }
- player.execute();
+ player.sendGameTurn();
}
-
// SDK @#%^&! arbitrary sequence point: last input < first output
+ /* Parse player actions and decide basic disqualifications.
+ * Display their optional message right now: if their action
+ * is ill-formed it could help them debug. Or shame them, at
+ * least.
+ */
+ boolean disqual = false;
for (Player player : gameManager.getActivePlayers()) {
- Model.Player p = player.model;
-
- try {
- int stones = player.getAction();
- if (stones == 0 && p.getStones() > 0) {
+ player.receiveGameTurn();
+ switch (player.type) {
+ case Timeout:
+ gameManager.addToGameSummary(player.getNicknameToken() + " timed out!");
+ player.deactivate(player.getNicknameToken() + " T/O");
+ player.setScore(-1);
+ disqual = true;
+ break;
+ case Invalid:
+ player.deactivate(player.getNicknameToken() + " INVALID");
+ gameManager.addToGameSummary(GameManager.formatErrorMessage(player.getNicknameToken() + " provided an ill-formed action"));
+ player.setScore(-1);
+ disqual = true;
+ break;
+ case Throw:
+ try { player.model.consumeStones(player.stoneThrow); }
+ catch (Model.Player.ThrewMoreStonesThanHad e) {
if (model.random.nextInt(10) > 0) {
- gameManager.addToGameSummary(GameManager.formatErrorMessage(player.getNicknameToken() + " tried not throwing stones. Fixing that for them because I'm in a good mood today."));
- stones = 1;
+ gameManager.addToGameSummary(GameManager.formatErrorMessage(player.getNicknameToken() + " tried to throw more stones than they had. I'll let it slide for this time. (But not let them throw that much!)"));
+ player.stoneThrow = player.model.consumeMaxStones();
}
else {
- throw new InvalidAction("tried not throwing any stone. They were then eaten by a grue.");
+ gameManager.addToGameSummary(GameManager.formatErrorMessage(player.getNicknameToken() + " tried to throw more stones than they had. They went into debt trying to provide. The economy tanked, recession and famine ensued; even the troll wouldn't have wanted to bash them anymore. But that's no victory."));
+ player.deactivate(player.getNicknameToken() + " ILLEGAL");
+ player.setScore(-1);
+ disqual = true;
}
}
- p.consumeStones(stones);
- gameManager.addToGameSummary(String.format("%s throws %d stone%s at the troll.", player.getNicknameToken(), stones, stones == 1 ? "" : "s"));
- delta += player.model.getMultiplier() * stones;
+ catch (Model.Player.FailedToThrowStonesAndShouldHave e) {
+ if (model.random.nextInt(10) > 0) {
+ gameManager.addToGameSummary(GameManager.formatErrorMessage(player.getNicknameToken() + " tried not throwing any stones. Fixing that for them because I'm in a good mood today."));
+ player.stoneThrow = player.model.consumeMinStones();
+ }
+ else {
+ gameManager.addToGameSummary(GameManager.formatErrorMessage(player.getNicknameToken() + "tried not throwing any stones. They were then eaten by a grue."));
+ player.deactivate(player.getNicknameToken() + " ILLEGAL");
+ player.setScore(-1);
+ disqual = true;
+ }
+ }
+ break;
+ }
+ player.view.displayMessage(player.messageString);
+ }
- if (stones < 0) {
+ /* Update game model and view.
+ *
+ * As a special case, the "cheater" (sending out negative
+ * stones) handling is deferred here because we need to update
+ * its view for it to be funny. In the end, they're still
+ * disqualified.
+ *
+ * Gather other game end scenarios (actual victory or stone
+ * exhaustion).
+ */
+ int delta = 0;
+ boolean victory = false;
+ boolean exhausted = false;
+ if (! disqual) {
+ for (Player player : gameManager.getActivePlayers()) {
+ gameManager.addToGameSummary(String.format("%s throws %d stone%s at the troll.", player.getNicknameToken(), player.stoneThrow, player.stoneThrow == 1 ? "" : "s"));
+ delta += player.model.getMultiplier() * player.stoneThrow;
+
+ if (player.stoneThrow < 0) {
player.deactivate(player.getNicknameToken() + " CHEAT");
gameManager.addToGameSummary(GameManager.formatErrorMessage(player.getNicknameToken() + " cheated. Banning account."));
player.setScore(-1);
disqual = true;
}
- else if (stones > 0) {
- player.view.animateStones(stones);
+ else if (player.stoneThrow > 0) {
+ player.view.animateStones(player.stoneThrow);
player.view.updateStoneCounter();
}
}
- catch (InvalidAction e) {
- player.deactivate(player.getNicknameToken() + " INVALID");
- gameManager.addToGameSummary(GameManager.formatErrorMessage(player.getNicknameToken() + " " + e.getMessage()));
- player.setScore(-1);
- disqual = true;
- }
- catch (NumberFormatException e) {
- player.deactivate(player.getNicknameToken() + " ERROR");
- gameManager.addToGameSummary(GameManager.formatErrorMessage(player.getNicknameToken() + " provided malformed input!"));
- player.setScore(-1);
- disqual = true;
- }
- catch (TimeoutException e) {
- gameManager.addToGameSummary(player.getNicknameToken() + " timed out!");
- player.deactivate(player.getNicknameToken() + " T/O");
- player.setScore(-1);
- disqual = true;
- }
- player.view.displayMessage(player.getMessageString());
- }
+ /* If a player cheated, delta is unusable as is.
+ * (Consider the case the player on the right sent
+ * INT_MIN. INT_MIN * (-1) = INT_MIN, so that player
+ * would both glean the stones *and* push the troll away.
+ * It would be unfair to have a cheating player "win"
+ * (earn the opponent castle destruction animation) this
+ * way.
+ */
+ boolean cheat0 = gameManager.getPlayer(0).stoneThrow < 0;
+ boolean cheat1 = gameManager.getPlayer(1).stoneThrow < 0;
+ if (cheat0 && cheat1); // here we can actually keep delta's value
+ else if (cheat0) delta = -1;
+ else if (cheat1) delta = 1;
- if (! disqual) {
if (delta > 0) {
gameManager.addToGameSummary("Troll walks right.");
model.trollPosition++;
Ça trolle… / troll.git / commitdiff