@Override
public void start() {
// save the number of characters in the game to a local int variable
numCharactersInGame = allCharacters.size();
/*store a local copy of the shared Random instance from the Utils class
we will use this to decide who is attacking and who is defending on each turn of the game*/
Random sharedRandomGen = Utils.getSharedRandomGen();
Utils.printSystemMessage(
"How many turns to you want to give characters playing the game? \n\tEnter a number.");
if (userInputScanner.hasNext()) {
userInput = userInputScanner.next();
}
// use a try-catch block to catch any errors that occur with user input
try {
// try to parse the number from the user input string
setNumTurns(Integer.parseInt(userInput));
} catch (NumberFormatException e) {
// this error block will execute if the user does not enter a number
Utils.printSystemMessage("Error! You were supposed to enter a number ...");
// show yourself the error so you can find and fix it during development
e.printStackTrace();
Utils.printSystemMessage(
"ConsoleGame will startInConsole with "
+ DEFAULT_NUM_TURNS_TO_TAKE
+ " turns for the characters to interact.");
// but, let the user continue with a default number of turns
setNumTurns(1000);
}
play(numTurnsToTake);
}
private void play(int turnsInGame) {
if (numTurnsToTake > 0) {
Utils.printSystemMessage("Starting the game with.");
Utils.printSystemMessage("There will be " + turnsInGame + " turns before the game ends.");
Utils.printSystemMessage("These are all the characters in the game");
for (Character character : allCharacters) {
System.out.println(character);
}
System.out.println("\n\n_________________________Lets Start!_________________________\n\n");
int numCharactersLeftInGame = numCharactersInGame;
for (int turnsTaken = 0; turnsTaken < turnsInGame; turnsTaken++) {
Character attacker = allCharacters.get(sharedRandomGen.nextInt(numCharactersLeftInGame));
Character defender = allCharacters.get(sharedRandomGen.nextInt(numCharactersLeftInGame));
// make sure both are alive
if (attacker.isAlive() && defender.isAlive()) {
// have the defender heal itself before being attacked
int healAmount = sharedRandomGen.nextInt(10) + 1;
defender.healSelf(healAmount);
// have the attacker attack the defender
attacker.attack(defender);
// check if the defender died from the attack
if (!defender.isAlive()) {
Utils.printSystemMessage(defender + " has died. Removing from game.");
// if the defender is dead, take it out of the list of characters in the game
allCharacters.remove(defender);
// update the local value of how many characters are left in the game
numCharactersLeftInGame = allCharacters.size();
if (numCharactersLeftInGame < 2) {
// if there are no more characters left in the game,
// break out of the for loop to end the game
Utils.printSystemMessage(
"\n\n\n_____________________________________________________________\n");
Utils.printSystemMessage("###Only one character left. \n\tGAMEOVER!*****");
break;
}
}
}
}
Utils.printSystemMessage(
"\n\n\n_____________________________________________________________\n");
Utils.printSystemMessage(
String.format("##All %d turns taken. GUIGameApplication Over!", turnsInGame));
// print the champion if there was one
if (allCharacters.size() == 1) {
Utils.printSystemMessage("\n\n");
Utils.printSystemMessage(allCharacters.get(0) + " is the CHAMPION!!!!");
} else {
// otherwise print how many characters survived
Utils.printSystemMessage(
String.format(
"%d of %d characters survived.", numCharactersLeftInGame, numCharactersInGame));
}
} else {
Utils.printSystemMessage("No characters in the game to play with... \n\tGameOver!");
}
}