Method: createPlayerBuilder()

1: /*
2: * Copyright © 2021-2023 Fachhochschule für die Wirtschaft (FHDW) Hannover
3: *
4: * This file is part of ipspiel23-demo.
5: *
6: * Ipspiel23-demo is free software: you can redistribute it and/or modify it under the terms of the GNU General Public
7: * License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later
8: * version.
9: *
10: * Ipspiel23-demo is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
11: * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
12: *
13: * You should have received a copy of the GNU General Public License along with ipspiel23-demo. If not, see
14: * <http://www.gnu.org/licenses/>.
15: */
16: package de.fhdw.gaming.ipspiel23.demo.domain.impl;
17:
18: import java.util.LinkedHashMap;
19: import java.util.Map;
20: import java.util.Objects;
21: import java.util.Optional;
22:
23: import de.fhdw.gaming.core.domain.DefaultObserverFactoryProvider;
24: import de.fhdw.gaming.core.domain.GameBuilder;
25: import de.fhdw.gaming.core.domain.GameException;
26: import de.fhdw.gaming.core.domain.ObserverFactoryProvider;
27: import de.fhdw.gaming.ipspiel23.demo.domain.DemoGame;
28: import de.fhdw.gaming.ipspiel23.demo.domain.DemoGameBuilder;
29: import de.fhdw.gaming.ipspiel23.demo.domain.DemoPlayer;
30: import de.fhdw.gaming.ipspiel23.demo.domain.DemoPlayerBuilder;
31: import de.fhdw.gaming.ipspiel23.demo.domain.DemoStrategy;
32: import de.fhdw.gaming.ipspiel23.demo.moves.impl.AbstractDemoMove;
33:
34: /**
35: * Implements {@link DemoGameBuilder}.
36: */
37: final class DemoGameBuilderImpl implements DemoGameBuilder {
38:
39: /**
40: * The {@link ObserverFactoryProvider}.
41: */
42: private ObserverFactoryProvider observerFactoryProvider;
43: /**
44: * The player using black tokens.
45: */
46: private Optional<DemoPlayer> firstPlayer;
47: /**
48: * The strategy of the player using black tokens.
49: */
50: private Optional<DemoStrategy> firstPlayerStrategy;
51: /**
52: * The player using white tokens.
53: */
54: private Optional<DemoPlayer> secondPlayer;
55: /**
56: * The strategy of the player using white tokens.
57: */
58: private Optional<DemoStrategy> secondPlayerStrategy;
59: /**
60: * The maximum computation time per move in seconds.
61: */
62: private int maxComputationTimePerMove;
63:
64: /**
65: * Creates a Demo game builder.
66: */
67: DemoGameBuilderImpl() {
68: this.observerFactoryProvider = new DefaultObserverFactoryProvider();
69: this.firstPlayer = Optional.empty();
70: this.firstPlayerStrategy = Optional.empty();
71: this.secondPlayer = Optional.empty();
72: this.secondPlayerStrategy = Optional.empty();
73: this.maxComputationTimePerMove = GameBuilder.DEFAULT_MAX_COMPUTATION_TIME_PER_MOVE;
74: }
75:
76: @Override
77: public DemoPlayerBuilder createPlayerBuilder() {
78: return new DemoPlayerBuilderImpl();
79: }
80:
81: @Override
82: public DemoGameBuilder addPlayer(final DemoPlayer player, final DemoStrategy strategy)
83: throws GameException {
84:
85: if (this.firstPlayer.isEmpty()) {
86: this.firstPlayer = Optional.of(Objects.requireNonNull(player, "player"));
87: this.firstPlayerStrategy = Optional.of(Objects.requireNonNull(strategy, "firstPlayerStrategy"));
88: } else if (this.secondPlayer.isEmpty()) {
89: this.secondPlayer = Optional.of(Objects.requireNonNull(player, "player"));
90: this.secondPlayerStrategy = Optional.of(Objects.requireNonNull(strategy, "secondPlayerStrategy"));
91: } else {
92: throw new GameException(String.format("More than two players are now allowed."));
93: }
94: return this;
95: }
96:
97: @Override
98: public DemoGameBuilder changeMaximumComputationTimePerMove(final int newMaxComputationTimePerMove) {
99: this.maxComputationTimePerMove = newMaxComputationTimePerMove;
100: return this;
101: }
102:
103: @Override
104: public DemoGameBuilder changeObserverFactoryProvider(final ObserverFactoryProvider newObserverFactoryProvider) {
105: this.observerFactoryProvider = newObserverFactoryProvider;
106: return this;
107: }
108:
109: @Override
110: public DemoGame build(final int id) throws GameException, InterruptedException {
111: if (!this.firstPlayer.isPresent() || !this.secondPlayer.isPresent()) {
112: throw new GameException("A Demo game needs two players.");
113: }
114:
115: final DemoStateImpl initialState = new DemoStateImpl(this.firstPlayer.get(), this.secondPlayer.get());
116:
117: final Map<String, DemoStrategy> strategies = new LinkedHashMap<>();
118: strategies.put(initialState.getFirstPlayer().getName(), this.firstPlayerStrategy.orElseThrow());
119: strategies.put(initialState.getSecondPlayer().getName(), this.secondPlayerStrategy.orElseThrow());
120: return new DemoGameImpl(
121: id,
122: initialState,
123: strategies,
124: this.maxComputationTimePerMove,
125: AbstractDemoMove.class::isInstance,
126: this.observerFactoryProvider);
127: }
128: }