public Action getNextMove(GameHistory history) {
int historyLength = history.getHistoryLength();
if (mode == MODE_NORMAL
&& historyLength > 0
&& history.getOpponentActionForIteration(this, historyLength - 1) == Action.DEFECT) {
mode = MODE_PUNISHMENT;
defectionCount++;
modeDuration = defectionCount;
logger.debug("Gradual punishment triggered (duration: " + modeDuration + ").");
}
if (mode == MODE_PUNISHMENT) {
logger.debug("In punishment mode.");
if (modeDuration > 0) {
logger.debug("Defecting...");
modeDuration--;
return Action.DEFECT;
} else {
logger.debug("Switched to reconcilliation.");
mode = MODE_RECONCILLIATION;
modeDuration = 2;
}
}
if (mode == MODE_RECONCILLIATION && modeDuration <= 1) {
mode = MODE_NORMAL;
}
modeDuration--;
return Action.COOPERATE;
}
