Implement singleton for player and portal

Signed-off-by: Chris Cromer <chris@cromer.cl>
This commit is contained in:
Chris Cromer 2019-11-12 14:04:48 -03:00
parent a092dee1e5
commit ba5bb7b090
3 changed files with 50 additions and 8 deletions

View File

@ -60,7 +60,6 @@ public class Scene extends JComponent implements Constants {
/**
* The cells of the game
*/
//private final Cell[][] cells;
private final CopyOnWriteArrayList<CopyOnWriteArrayList<Cell>> cells;
/**
* The logger
@ -89,7 +88,6 @@ public class Scene extends JComponent implements Constants {
this.canvas = canvas;
loadTextures();
//cells = new Cell[HORIZONTAL_CELLS][VERTICAL_CELLS];
cells = new CopyOnWriteArrayList<>();
if (GENERATE_SCENE) {
@ -137,7 +135,7 @@ public class Scene extends JComponent implements Constants {
cells.get(x).add(cell);
if (jsonCells[x][y].type.equals(Player.class.getName())) {
cells.get(x).get(y).setObject(new Player(null, cells.get(x).get(y)));
cells.get(x).get(y).setObject(Player.getInstance(null, cells.get(x).get(y)));
}
else if (jsonCells[x][y].type.equals(Enemy.class.getName())) {
cells.get(x).get(y).setObject(new Enemy(null, cells.get(x).get(y), null));
@ -155,7 +153,7 @@ public class Scene extends JComponent implements Constants {
cells.get(x).get(y).setObject(new Obstacle(null, cells.get(x).get(y)));
}
else if (jsonCells[x][y].type.equals(Portal.class.getName())) {
cells.get(x).get(y).setObject(new Portal(null, cells.get(x).get(y)));
cells.get(x).get(y).setObject(Portal.getInstance(null, cells.get(x).get(y)));
}
for (int k = 0; k < jsonCells[x][y].textures.size(); k++) {
@ -180,7 +178,7 @@ public class Scene extends JComponent implements Constants {
List<Object> objectArrayList = new ArrayList<>();
// The player has a fixed position
cells.get(2).get(1).setObject(new Player(this, cells.get(2).get(1)));
cells.get(2).get(1).setObject(Player.getInstance(this, cells.get(2).get(1)));
objectArrayList.add(cells.get(2).get(1).getObject());
for (int i = 0; i < OBSTACLES; i++) {
@ -203,7 +201,7 @@ public class Scene extends JComponent implements Constants {
}
random = randomCoordinates();
cells.get(random[0]).get(random[1]).setObjectOnBottom(new Portal(this, cells.get(random[0]).get(random[1])));
cells.get(random[0]).get(random[1]).setObjectOnBottom(Portal.getInstance(this, cells.get(random[0]).get(random[1])));
objectArrayList.add(cells.get(random[0]).get(random[1]).getObjectOnBottom());
// Generate enough keys for the chests that will exist

View File

@ -36,6 +36,10 @@ public class Player extends Object implements Constants {
* The maximum health of the player
*/
public final static int MAX_HEALTH = 20;
/**
* There can be only 1 player
*/
private static Player instance = null;
/**
* Objects that the player is carrying
*/
@ -55,7 +59,7 @@ public class Player extends Object implements Constants {
* @param scene The scene the player is in
* @param cell The cell the player is in
*/
public Player(Scene scene, Cell cell) {
private Player(Scene scene, Cell cell) {
super(scene, cell);
setLogger(getLogger(this.getClass(), LogLevel.PLAYER));
loadPlayerAnimation();
@ -72,6 +76,24 @@ public class Player extends Object implements Constants {
}
}
/**
* Get a unique instance of the player
*
* @param scene The scene the player is in
* @param cell The cell the player is in
* @return Returns the Player instance
*/
public static Player getInstance(Scene scene, Cell cell) {
if (instance == null) {
synchronized (Player.class) {
if (instance == null) {
instance = new Player(scene, cell);
}
}
}
return instance;
}
/**
* Load the player animation
*/

View File

@ -29,6 +29,10 @@ import java.util.List;
* This class handles the portal functionality
*/
public class Portal extends Object implements Constants {
/**
* There can be only 1 portal
*/
private static Portal instance = null;
/**
* The current state of the portal
*/
@ -52,12 +56,30 @@ public class Portal extends Object implements Constants {
* @param scene The scene that contains the portal
* @param cell The cell the portal is in
*/
public Portal(Scene scene, Cell cell) {
private Portal(Scene scene, Cell cell) {
super(scene, cell);
setLogger(getLogger(this.getClass(), LogLevel.PORTAL));
loadPortalAnimations();
}
/**
* Get a unique instance of the portal
*
* @param scene The scene the portal is in
* @param cell The cell the portal is in
* @return Returns the Portal instance
*/
public static Portal getInstance(Scene scene, Cell cell) {
if (instance == null) {
synchronized (Portal.class) {
if (instance == null) {
instance = new Portal(scene, cell);
}
}
}
return instance;
}
/**
* Load the portal animation
*/