Method: build(int)

1: /*
2: * Copyright © 2021 Fachhochschule für die Wirtschaft (FHDW) Hannover
3: *
4: * This file is part of ipspiel22-tictactoe-core.
5: *
6: * ipspiel22-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: * ipspiel22-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: * ipspiel22-tictactoe-core. If not, see <http://www.gnu.org/licenses/>.
18: */
19: package de.fhdw.gaming.ipspiel22.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.ipspiel22.tictactoe.core.domain.TicTacToeGame;
31: import de.fhdw.gaming.ipspiel22.tictactoe.core.domain.TicTacToeGameBuilder;
32: import de.fhdw.gaming.ipspiel22.tictactoe.core.domain.TicTacToePlayer;
33: import de.fhdw.gaming.ipspiel22.tictactoe.core.domain.TicTacToePlayerBuilder;
34: import de.fhdw.gaming.ipspiel22.tictactoe.core.domain.TicTacToeState;
35: import de.fhdw.gaming.ipspiel22.tictactoe.core.domain.TicTacToeStrategy;
36: import de.fhdw.gaming.ipspiel22.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: * The player using crosses.
49: */
50: private Optional<TicTacToePlayer> crossesPlayer;
51: /**
52: * The strategy of the player using crosses.
53: */
54: private Optional<TicTacToeStrategy> crossesPlayerStrategy;
55: /**
56: * The player using noughts.
57: */
58: private Optional<TicTacToePlayer> noughtsPlayer;
59: /**
60: * The strategy of the player using noughts.
61: */
62: private Optional<TicTacToeStrategy> noughtsPlayerStrategy;
63: /**
64: * The maximum computation time per move in seconds.
65: */
66: private int maxComputationTimePerMove;
67: /**
68: * The number of rows (and columns) of the board.
69: */
70: private int boardSize;
71:
72: /**
73: * Creates an TicTacToe game builder.
74: */
75: TicTacToeGameBuilderImpl() {
76: this.observerFactoryProvider = new DefaultObserverFactoryProvider();
77: this.crossesPlayer = Optional.empty();
78: this.crossesPlayerStrategy = Optional.empty();
79: this.noughtsPlayer = Optional.empty();
80: this.noughtsPlayerStrategy = Optional.empty();
81: this.maxComputationTimePerMove = GameBuilder.DEFAULT_MAX_COMPUTATION_TIME_PER_MOVE;
82: this.boardSize = TicTacToeGameBuilder.DEFAULT_BOARD_SIZE;
83: }
84:
85: @Override
86: public TicTacToePlayerBuilder createPlayerBuilder() {
87: return new TicTacToePlayerBuilderImpl();
88: }
89:
90: @Override
91: public TicTacToeGameBuilder addPlayer(final TicTacToePlayer player, final TicTacToeStrategy strategy)
92: throws GameException {
93:
94: if (player.isUsingCrosses() && this.crossesPlayer.isEmpty()) {
95: this.crossesPlayer = Optional.of(Objects.requireNonNull(player, "player"));
96: this.crossesPlayerStrategy = Optional.of(Objects.requireNonNull(strategy, "crossesPlayerStrategy"));
97: } else if (!player.isUsingCrosses() && this.noughtsPlayer.isEmpty()) {
98: this.noughtsPlayer = Optional.of(Objects.requireNonNull(player, "player"));
99: this.noughtsPlayerStrategy = Optional.of(Objects.requireNonNull(strategy, "noughtsPlayerStrategy"));
100: } else {
101: throw new GameException(
102: String.format(
103: "Adding player %s is not allowed as a player using the same type of marks "
104: + "has already been added.",
105: player));
106: }
107: return this;
108: }
109:
110: @Override
111: public TicTacToeGameBuilder changeMaximumComputationTimePerMove(final int newMaxComputationTimePerMove) {
112: this.maxComputationTimePerMove = newMaxComputationTimePerMove;
113: return this;
114: }
115:
116: @Override
117: public TicTacToeGameBuilder changeBoardSize(final int newBoardSize) {
118: this.boardSize = newBoardSize;
119: return this;
120: }
121:
122: @Override
123: public TicTacToeGameBuilder changeObserverFactoryProvider(
124: final ObserverFactoryProvider newObserverFactoryProvider) {
125: this.observerFactoryProvider = newObserverFactoryProvider;
126: return this;
127: }
128:
129: @Override
130: public TicTacToeGame build(final int id) throws GameException, InterruptedException {
131:• if (!this.crossesPlayer.isPresent() || !this.noughtsPlayer.isPresent()) {
132: throw new GameException("An Tic Tac Toe game needs two players.");
133: }
134:
135: final TicTacToeBoardImpl board = new TicTacToeBoardImpl(this.boardSize);
136: final TicTacToeState initialState = new TicTacToeStateImpl(
137: board,
138: this.crossesPlayer.get(),
139: this.noughtsPlayer.get(),
140: true);
141:
142: final Map<String, TicTacToeStrategy> strategies = new LinkedHashMap<>();
143: strategies.put(initialState.getCrossesPlayer().getName(), this.crossesPlayerStrategy.orElseThrow());
144: strategies.put(initialState.getNoughtsPlayer().getName(), this.noughtsPlayerStrategy.orElseThrow());
145: return new TicTacToeGameImpl(
146: id,
147: initialState,
148: strategies,
149: this.maxComputationTimePerMove,
150: AbstractTicTacToeMove.class::isInstance,
151: this.observerFactoryProvider);
152: }
153: }