Method: addPlayer(TicTacToePlayer, TicTacToeStrategy)

1: /*
2: * Copyright © 2021 Fachhochschule für die Wirtschaft (FHDW) Hannover
3: *
4: * This file is part of ipspiel23-tictactoe-core.
5: *
6: * ipspiel23-tictactoe-core is free software: you can redistribute it and/or modify it under
7: * the terms of the GNU General Public License as published by the Free Software
8: * Foundation, either version 3 of the License, or (at your option) any later
9: * version.
10: *
11: * ipspiel23-tictactoe-core is distributed in the hope that it will be useful, but WITHOUT
12: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
13: * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
14: * details.
15: *
16: * You should have received a copy of the GNU General Public License along with
17: * ipspiel23-tictactoe-core. If not, see <http://www.gnu.org/licenses/>.
18: */
19: package de.fhdw.gaming.ipspiel23.tictactoe.core.domain.impl;
20:
21: import java.util.LinkedHashMap;
22: import java.util.Map;
23: import java.util.Objects;
24: import java.util.Optional;
25:
26: import de.fhdw.gaming.core.domain.DefaultObserverFactoryProvider;
27: import de.fhdw.gaming.core.domain.GameBuilder;
28: import de.fhdw.gaming.core.domain.GameException;
29: import de.fhdw.gaming.core.domain.ObserverFactoryProvider;
30: import de.fhdw.gaming.ipspiel23.tictactoe.core.domain.TicTacToeGame;
31: import de.fhdw.gaming.ipspiel23.tictactoe.core.domain.TicTacToeGameBuilder;
32: import de.fhdw.gaming.ipspiel23.tictactoe.core.domain.TicTacToePlayer;
33: import de.fhdw.gaming.ipspiel23.tictactoe.core.domain.TicTacToePlayerBuilder;
34: import de.fhdw.gaming.ipspiel23.tictactoe.core.domain.TicTacToeState;
35: import de.fhdw.gaming.ipspiel23.tictactoe.core.domain.TicTacToeStrategy;
36: import de.fhdw.gaming.ipspiel23.tictactoe.core.moves.impl.AbstractTicTacToeMove;
37:
38: /**
39: * Implements {@link TicTacToeGameBuilder}.
40: */
41: final class TicTacToeGameBuilderImpl implements TicTacToeGameBuilder {
42:
43: /**
44: * The {@link ObserverFactoryProvider}.
45: */
46: private ObserverFactoryProvider observerFactoryProvider;
47:
48: /**
49: * The player using crosses.
50: */
51: private Optional<TicTacToePlayer> crossesPlayer;
52:
53: /**
54: * The strategy of the player using crosses.
55: */
56: private Optional<TicTacToeStrategy> crossesPlayerStrategy;
57:
58: /**
59: * The player using noughts.
60: */
61: private Optional<TicTacToePlayer> noughtsPlayer;
62:
63: /**
64: * The strategy of the player using noughts.
65: */
66: private Optional<TicTacToeStrategy> noughtsPlayerStrategy;
67:
68: /**
69: * The maximum computation time per move in seconds.
70: */
71: private int maxComputationTimePerMove;
72:
73: /**
74: * The number of rows (and columns) of the board.
75: */
76: private int boardSize;
77:
78: /**
79: * Creates an TicTacToe game builder.
80: */
81: TicTacToeGameBuilderImpl() {
82: this.observerFactoryProvider = new DefaultObserverFactoryProvider();
83: this.crossesPlayer = Optional.empty();
84: this.crossesPlayerStrategy = Optional.empty();
85: this.noughtsPlayer = Optional.empty();
86: this.noughtsPlayerStrategy = Optional.empty();
87: this.maxComputationTimePerMove = GameBuilder.DEFAULT_MAX_COMPUTATION_TIME_PER_MOVE;
88: this.boardSize = TicTacToeGameBuilder.DEFAULT_BOARD_SIZE;
89: }
90:
91: @Override
92: public TicTacToePlayerBuilder createPlayerBuilder() {
93: return new TicTacToePlayerBuilderImpl();
94: }
95:
96: @Override
97: public TicTacToeGameBuilder addPlayer(final TicTacToePlayer player, final TicTacToeStrategy strategy)
98: throws GameException {
99:
100:• if (player.isUsingCrosses() && this.crossesPlayer.isEmpty()) {
101: this.crossesPlayer = Optional.of(Objects.requireNonNull(player, "player"));
102: this.crossesPlayerStrategy = Optional.of(Objects.requireNonNull(strategy, "crossesPlayerStrategy"));
103:• } else if (!player.isUsingCrosses() && this.noughtsPlayer.isEmpty()) {
104: this.noughtsPlayer = Optional.of(Objects.requireNonNull(player, "player"));
105: this.noughtsPlayerStrategy = Optional.of(Objects.requireNonNull(strategy, "noughtsPlayerStrategy"));
106: } else {
107: throw new GameException(
108: String.format(
109: "Adding player %s is not allowed as a player using the same type of marks "
110: + "has already been added.",
111: player));
112: }
113: return this;
114: }
115:
116: @Override
117: public TicTacToeGameBuilder changeMaximumComputationTimePerMove(final int newMaxComputationTimePerMove) {
118: this.maxComputationTimePerMove = newMaxComputationTimePerMove;
119: return this;
120: }
121:
122: @Override
123: public TicTacToeGameBuilder changeBoardSize(final int newBoardSize) {
124: this.boardSize = newBoardSize;
125: return this;
126: }
127:
128: @Override
129: public TicTacToeGameBuilder changeObserverFactoryProvider(
130: final ObserverFactoryProvider newObserverFactoryProvider) {
131: this.observerFactoryProvider = newObserverFactoryProvider;
132: return this;
133: }
134:
135: @Override
136: public TicTacToeGame build(final int id) throws GameException, InterruptedException {
137: if (!this.crossesPlayer.isPresent() || !this.noughtsPlayer.isPresent()) {
138: throw new GameException("An Tic Tac Toe game needs two players.");
139: }
140:
141: final TicTacToeBoardImpl board = new TicTacToeBoardImpl(this.boardSize);
142: final TicTacToeState initialState = new TicTacToeStateImpl(
143: board,
144: this.crossesPlayer.get(),
145: this.noughtsPlayer.get(),
146: true);
147:
148: final Map<String, TicTacToeStrategy> strategies = new LinkedHashMap<>();
149: strategies.put(initialState.getCrossesPlayer().getName(), this.crossesPlayerStrategy.orElseThrow());
150: strategies.put(initialState.getNoughtsPlayer().getName(), this.noughtsPlayerStrategy.orElseThrow());
151: return new TicTacToeGameImpl(
152: id,
153: initialState,
154: strategies,
155: this.maxComputationTimePerMove,
156: AbstractTicTacToeMove.class::isInstance,
157: this.observerFactoryProvider);
158: }
159: }