326 lines
12 KiB
Dart
326 lines
12 KiB
Dart
import 'package:cabo_counter/data/round.dart';
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import 'package:flutter/cupertino.dart';
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import 'package:uuid/uuid.dart';
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/// This class represents a game session for Cabo game.
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/// [createdAt] is the timestamp of when the game session was created.
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/// [gameTitle] is the title of the game.
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/// [isPointsLimitEnabled] is a boolean indicating if the game has the default
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/// point limit of 101 points or not.
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/// [players] is a string list of player names.
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/// [playerScores] is a list of the summed scores of all players.
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/// [roundNumber] is the current round number.
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/// [isGameFinished] is a boolean indicating if the game has ended yet.
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/// [winner] is the name of the player who won the game.
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class GameSession extends ChangeNotifier {
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final String id;
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final DateTime createdAt;
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final String gameTitle;
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final List<String> players;
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final int pointLimit;
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final int caboPenalty;
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final bool isPointsLimitEnabled;
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bool isGameFinished = false;
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String winner = '';
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int roundNumber = 1;
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late List<int> playerScores;
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List<Round> roundList = [];
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GameSession({
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required this.id,
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required this.createdAt,
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required this.gameTitle,
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required this.players,
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required this.pointLimit,
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required this.caboPenalty,
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required this.isPointsLimitEnabled,
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}) {
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playerScores = List.filled(players.length, 0);
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}
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@override
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toString() {
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return ('GameSession: [id: $id, createdAt: $createdAt, gameTitle: $gameTitle, '
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'isPointsLimitEnabled: $isPointsLimitEnabled, pointLimit: $pointLimit, caboPenalty: $caboPenalty,'
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' players: $players, playerScores: $playerScores, roundList: $roundList, winner: $winner]');
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}
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/// Converts the GameSession object to a JSON map.
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Map<String, dynamic> toJson() => {
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'id': id,
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'createdAt': createdAt.toIso8601String(),
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'gameTitle': gameTitle,
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'players': players,
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'pointLimit': pointLimit,
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'caboPenalty': caboPenalty,
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'isPointsLimitEnabled': isPointsLimitEnabled,
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'isGameFinished': isGameFinished,
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'winner': winner,
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'roundNumber': roundNumber,
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'playerScores': playerScores,
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'roundList': roundList.map((e) => e.toJson()).toList()
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};
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/// Creates a GameSession object from a JSON map.
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GameSession.fromJson(Map<String, dynamic> json)
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: id = json['id'] ?? const Uuid().v1(),
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createdAt = DateTime.parse(json['createdAt']),
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gameTitle = json['gameTitle'],
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players = List<String>.from(json['players']),
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pointLimit = json['pointLimit'],
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caboPenalty = json['caboPenalty'],
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isPointsLimitEnabled = json['isPointsLimitEnabled'],
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isGameFinished = json['isGameFinished'],
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winner = json['winner'],
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roundNumber = json['roundNumber'],
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playerScores = List<int>.from(json['playerScores']),
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roundList =
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(json['roundList'] as List).map((e) => Round.fromJson(e)).toList();
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/// Returns the length of the longest player name.
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int getMaxLengthOfPlayerNames() {
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int length = 0;
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for (String player in players) {
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if (player.length >= length) {
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length = player.length;
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}
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}
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return length;
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}
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/// Assigns 50 points to all players except the kamikaze player.
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/// [kamikazePlayerIndex] is the index of the kamikaze player.
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void applyKamikaze(int roundNum, int kamikazePlayerIndex) {
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List<int> roundScores = List.generate(players.length, (_) => 0);
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List<int> scoreUpdates = List.generate(players.length, (_) => 0);
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for (int i = 0; i < scoreUpdates.length; i++) {
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if (i != kamikazePlayerIndex) {
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scoreUpdates[i] += 50;
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}
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}
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addRoundScoresToList(
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roundNum, roundScores, scoreUpdates, 0, kamikazePlayerIndex);
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}
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/// Checks the scores of the current round and assigns points to the players.
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/// There are three possible outcomes of a round:
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///
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/// **Case 1**<br>
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/// The player who said CABO has the lowest score. They receive 0 points.
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/// Every other player gets their round score.
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///
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/// **Case 2**<br>
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/// The player who said CABO does not have the lowest score.
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/// They receive 5 extra points added to their round score.
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/// Every player with the lowest score gets 0 points.
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/// Every other player gets their round score.
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void calculateScoredPoints(
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int roundNum, List<int> roundScores, int caboPlayerIndex) {
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print('Spieler: $players');
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print('Punkte: $roundScores');
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print('${players[caboPlayerIndex]} hat mit ${roundScores[caboPlayerIndex]} '
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'Punkten CABO gesagt');
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/// List of the index of the player(s) with the lowest score
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List<int> lowestScoreIndex = _getLowestScoreIndex(roundScores);
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print('Folgende Spieler haben die niedrigsten Punte:');
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for (int i in lowestScoreIndex) {
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print('${players[i]} (${roundScores[i]} Punkte)');
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}
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// The player who said CABO is one of the players which have the
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// fewest points.
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if (lowestScoreIndex.contains(caboPlayerIndex)) {
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print('${players[caboPlayerIndex]} hat CABO gesagt '
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'und bekommt 0 Punkte');
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print('Alle anderen Spieler bekommen ihre Punkte');
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_assignPoints(roundNum, roundScores, caboPlayerIndex, [caboPlayerIndex]);
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} else {
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// A player other than the one who said CABO has the fewest points.
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print('${players[caboPlayerIndex]} hat CABO gesagt, '
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'jedoch nicht die wenigsten Punkte.');
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print('Folgende:r Spieler haben die wenigsten Punkte:');
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for (int i in lowestScoreIndex) {
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print('${players[i]}: ${roundScores[i]} Punkte');
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}
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_assignPoints(roundNum, roundScores, caboPlayerIndex, lowestScoreIndex,
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caboPlayerIndex);
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}
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}
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/// The _getLowestScoreIndex method but forwarded for testing purposes.
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@visibleForTesting
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List<int> testingGetLowestScoreIndex(List<int> roundScores) =>
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_getLowestScoreIndex(roundScores);
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/// Returns the index of the player with the lowest score. If there are
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/// multiple players with the same lowest score, all of them are returned.
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/// [roundScores] is a list of the scores of all players in the current round.
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List<int> _getLowestScoreIndex(List<int> roundScores) {
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int lowestScore = roundScores[0];
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List<int> lowestScoreIndex = [0];
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for (int i = 1; i < roundScores.length; i++) {
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if (roundScores[i] < lowestScore) {
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lowestScore = roundScores[i];
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lowestScoreIndex = [i];
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} else if (roundScores[i] == lowestScore) {
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lowestScoreIndex.add(i);
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}
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}
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return lowestScoreIndex;
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}
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@visibleForTesting
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void testingAssignPoints(int roundNum, List<int> roundScores,
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int caboPlayerIndex, List<int> winnerIndex, [int? loserIndex]) =>
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_assignPoints(
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roundNum, roundScores, caboPlayerIndex, winnerIndex, loserIndex);
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/// Assigns points to the players based on the scores of the current round.
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/// [roundNum] is the number of the current round.
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/// [roundScores] is the raw list of the scores of all players in the current round.
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/// [winnerIndex] is the index of the player who receives 5 extra points
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void _assignPoints(int roundNum, List<int> roundScores, int caboPlayerIndex,
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List<int> winnerIndex,
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[int? loserIndex]) {
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/// List of the updates for every player score
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List<int> scoreUpdates = [...roundScores];
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print('Folgende Punkte wurden aus der Runde übernommen:');
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for (int i = 0; i < scoreUpdates.length; i++) {
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print('${players[i]}: ${scoreUpdates[i]}');
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}
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for (int i in winnerIndex) {
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print('${players[i]} hat gewonnen und bekommt 0 Punkte');
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scoreUpdates[i] = 0;
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}
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if (loserIndex != null) {
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print('${players[loserIndex]} bekommt 5 Fehlerpunkte');
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scoreUpdates[loserIndex] += 5;
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}
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print('Aktualisierte Punkte:');
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for (int i = 0; i < scoreUpdates.length; i++) {
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print('${players[i]}: ${scoreUpdates[i]}');
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}
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print('scoreUpdates: $scoreUpdates, roundScores: $roundScores');
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addRoundScoresToList(roundNum, roundScores, scoreUpdates, caboPlayerIndex);
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}
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/// Sets the scores of the players for a specific round.
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/// This method takes a list of round scores and a round number as parameters.
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/// It then replaces the values for the given [roundNum] in the
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/// playerScores. Its important that each index of the [roundScores] list
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/// corresponds to the index of the player in the [playerScores] list.
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void addRoundScoresToList(
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int roundNum,
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List<int> roundScores,
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List<int> scoreUpdates,
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int caboPlayerIndex, [
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int? kamikazePlayerIndex,
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]) {
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Round newRound = Round(
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roundNum: roundNum,
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caboPlayerIndex: caboPlayerIndex,
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kamikazePlayerIndex: kamikazePlayerIndex,
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scores: roundScores,
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scoreUpdates: scoreUpdates,
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);
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if (roundNum > roundList.length) {
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roundList.add(newRound);
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} else {
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roundList[roundNum - 1] = newRound;
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}
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notifyListeners();
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}
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/// This method updates the points of each player after a round.
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/// It first uses the _sumPoints() method to calculate the total points of each player.
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/// Then, it checks if any player has reached 100 points. If so, saves their indices and marks
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/// that player as having reached 100 points in that corresponding [Round] object.
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/// If the game has the point limit activated, it first applies the
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/// _subtractPointsForReachingHundred() method to subtract 50 points
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/// for every time a player reached 100 points in the game.
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/// It then checks if any player has exceeded 100 points. If so, it sets
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/// isGameFinished to true and calls the _setWinner() method to determine
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/// the winner.
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/// It returns a list of players indices who reached 100 points in the current
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/// round for the [RoundView] to show a popup
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List<int> updatePoints() {
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List<int> bonusPlayers = [];
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_sumPoints();
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if (isPointsLimitEnabled) {
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bonusPlayers = _checkHundredPointsReached();
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for (int i = 0; i < playerScores.length; i++) {
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if (playerScores[i] > pointLimit) {
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isGameFinished = true;
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print('${players[i]} hat die 100 Punkte ueberschritten, '
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'deswegen wurde das Spiel beendet');
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_setWinner();
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}
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}
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}
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notifyListeners();
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return bonusPlayers;
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}
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@visibleForTesting
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void testingSumPoints() => _sumPoints();
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/// Sums up the points of all players and stores the result in the
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/// playerScores list.
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void _sumPoints() {
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for (int i = 0; i < players.length; i++) {
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playerScores[i] = 0;
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for (int j = 0; j < roundList.length; j++) {
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playerScores[i] += roundList[j].scoreUpdates[i];
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}
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}
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notifyListeners();
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}
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/// Checks if a player has reached 100 points in the current round.
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/// If so, it updates the [scoreUpdate] List by subtracting 50 points from
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/// the corresponding round update.
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List<int> _checkHundredPointsReached() {
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List<int> bonusPlayers = [];
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for (int i = 0; i < players.length; i++) {
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if (playerScores[i] == pointLimit) {
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bonusPlayers.add(i);
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print('${players[i]} hat genau 100 Punkte erreicht und bekommt '
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'deswegen ${(pointLimit / 2).round()} Punkte abgezogen');
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roundList[roundNumber - 1].scoreUpdates[i] -= (pointLimit / 2).round();
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}
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}
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_sumPoints();
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return bonusPlayers;
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}
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/// Determines the winner of the game session.
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/// It iterates through the player scores and finds the player
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/// with the lowest score.
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void _setWinner() {
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int minScore = playerScores.reduce((a, b) => a < b ? a : b);
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List<String> lowestPlayers = [];
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for (int i = 0; i < players.length; i++) {
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if (playerScores[i] == minScore) {
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lowestPlayers.add(players[i]);
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}
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}
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if (lowestPlayers.length > 1) {
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winner =
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'${lowestPlayers.sublist(0, lowestPlayers.length - 1).join(', ')} & ${lowestPlayers.last}';
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} else {
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winner = lowestPlayers.first;
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}
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notifyListeners();
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}
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/// Increases the round number by 1.
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void increaseRound() {
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roundNumber++;
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print('roundNumber erhöht: $roundNumber — Hash: ${identityHashCode(this)}');
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notifyListeners();
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}
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}
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