1 package it.polimi.ingsw.Model;
2
3 import it.polimi.ingsw.Exceptions.Input.InvalidElementException;
4 import it.polimi.ingsw.Logger;
5 import it.polimi.ingsw.Misc.OptionalValue;
6 import it.polimi.ingsw.Model.Enums.PawnColour;
7 import it.polimi.ingsw.Model.Enums.TowerColour;
8
9 import java.io.Serial;
10 import java.io.Serializable;
11 import java.util.ArrayList;
12 import java.util.List;
13
14 /**
15 * Islands are containers of {@link PawnColour}s and {@link Tower}.The islands can be grouped through {@link IslandGroup}
16 */
17 public class Island implements Serializable {
18 @Serial
19 private static final long serialVersionUID = 121L; // convention: 1 for model, (01 -> 99) for objects
20
21 private final int id;
22 private final ArrayList<PawnColour> students;
23 private Tower tower;
24
25 /**
26 * Construct an Island, assinging an ID to it.
27 *
28 * @param id the id of the constructed Island.
29 */
30 public Island(int id) {
31 this.id = id;
32 this.students = new ArrayList<>();
33 this.tower = null;
34 }
35
36 /**
37 * @return the ID of the Island
38 */
39 public int getId() {
40 return id;
41 }
42
43 /**
44 * @return the {@link PawnColour}s contained in the Island
45 */
46 public List<PawnColour> getStudents() {
47 return new ArrayList<>(students);
48 }
49
50 /**
51 * If a tower is present, return a non-empty {@link OptionalValue}
52 *
53 * @return the colour of the contained tower wrapped in a {@link OptionalValue}
54 */
55 public OptionalValue<TowerColour> getTowerColour() {
56 if (this.tower == null) return OptionalValue.empty();
57 else return OptionalValue.of(this.tower.getColour());
58 }
59
60 /**
61 * a student can be added to the Island through this method
62 *
63 * @param p the {@link PawnColour} to add to the island
64 */
65 public void addStudent(PawnColour p) {
66 students.add(p);
67 }
68
69 /**
70 * a {@link Tower} may need to be swapped or added during the Island's lifespan, this method can be used for that
71 *
72 * @param t the new {@link Tower} to be put on the island. the old tower (if any was present) will be returned to its
73 * rightful storage automatically. The input can be null, this removes the tower from the island
74 */
75 public void swapTower(Tower t) {
76 if (this.tower != null) {
77 try {
78 this.tower.linkBackToStorage();
79 } catch (InvalidElementException e) {
80 Logger.severe("Tower could not be pushed back to its original Storage. Critical, unrecoverable error");
81 throw new RuntimeException(e);
82 }
83 }
84 this.tower = t;
85 }
86
87 }