Method: SspRandomStrategy(SspMoveFactory)

1: /*
2: * Copyright © 2021-2023 Fachhochschule für die Wirtschaft (FHDW) Hannover
3: *
4: * This file is part of ipspiel24-Ssp.
5: *
6: * Ipspiel24-Ssp 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: * Ipspiel24-Ssp 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 ipspiel24-Ssp. If not, see
14: * <http://www.gnu.org/licenses/>.
15: */
16: package de.fhdw.gaming.ipspiel24.ssp.strategy;
17:
18: import java.util.Optional;
19:
20: import de.fhdw.gaming.ipspiel24.ssp.domain.SspPlayer;
21: import de.fhdw.gaming.ipspiel24.ssp.domain.SspState;
22: import de.fhdw.gaming.ipspiel24.ssp.domain.SspStrategy;
23: import de.fhdw.gaming.ipspiel24.ssp.moves.SspMove;
24: import de.fhdw.gaming.ipspiel24.ssp.moves.factory.SspMoveFactory;
25: import java.util.Random;
26:
27: /**
28: * Implements {@link SspStrategy} by always choosing random.
29: */
30: public final class SspRandomStrategy implements SspStrategy {
31:
32: /**
33: * Generates random number.
34: */
35: private static Random random = new Random();
36: /**
37: * The factory for creating Ssp moves.
38: */
39: private final SspMoveFactory moveFactory;
40:
41: /**
42: * Creates an {@link SspRandomStrategy}.
43: *
44: * @param moveFactory The factory for creating Ssp moves.
45: */
46: SspRandomStrategy(final SspMoveFactory moveFactory) {
47: this.moveFactory = moveFactory;
48: }
49:
50: @Override
51: public Optional<SspMove> computeNextMove(
52: final int gameId,
53: final SspPlayer player,
54: final SspState state,
55: final long maxComputationTimePerMove) {
56:
57: switch (random.nextInt(3)) {
58: case 0:
59: return Optional.of(this.moveFactory.createPaperMove());
60: case 1:
61: return Optional.of(this.moveFactory.createRockMove());
62: case 2:
63: return Optional.of(this.moveFactory.createScissorsMove());
64: default:
65: throw new IllegalStateException();
66: }
67: }
68:
69: @Override
70: public String toString() {
71: return SspRandomStrategy.class.getSimpleName();
72: }
73: }