added groundwork for shell animation

Projekte/battleship/model/src/main/java/pp/battleship/game/server/ServerGameLogic.java

@@ -11,6 +11,7 @@ import pp.battleship.BattleshipConfig;
 import pp.battleship.message.client.ClientInterpreter;
 import pp.battleship.message.client.MapMessage;
 import pp.battleship.message.client.ShootMessage;
+import pp.battleship.message.client.ShellAnimationFinishedMessage;
 import pp.battleship.message.server.EffectMessage;
 import pp.battleship.message.server.GameDetails;
 import pp.battleship.message.server.ServerMessage;
@@ -35,6 +36,7 @@ public class ServerGameLogic implements ClientInterpreter {
     private final BattleshipConfig config;
     private final List<Player> players = new ArrayList<>(2);
     private final Set<Player> readyPlayers = new HashSet<>();
+    private Set<Integer> playersFinishedShellAnimation = new HashSet<>();
     private final ServerSender serverSender;
     private Player activePlayer;
     private ServerState state = ServerState.WAIT;
@@ -197,6 +199,9 @@ public class ServerGameLogic implements ClientInterpreter {
      */
     void shoot(Player p, IntPoint pos) {
         if (p != activePlayer) return;
+        setState(ServerState.SHELL_IN_FLIGHT);
+        // setState(ServerState.BATTLE);
+
         final Player otherPlayer = getOpponent(activePlayer);
         final Battleship selectedShip = otherPlayer.getMap().findShipAt(pos);
         if (selectedShip == null) {
@@ -260,5 +265,31 @@ public class ServerGameLogic implements ClientInterpreter {
         }
         return true;
     }
+    /**
+     * Handles the reception of ShellAnimationFinishedMessage.
+     * This method is called when a client signals that its shell animation is complete.
+     *
+     * @param msg  the received ShellAnimationFinishedMessage
+     * @param from the ID of the sender client
+     */
+
+    @Override
+    public void received(ShellAnimationFinishedMessage msg, int from) {
+        // Add the player to the set of players who have finished the animation
+        playersFinishedShellAnimation.add(from);
+
+        // Check if both players have finished the shell animation
+        if (playersFinishedShellAnimation.size() == 2) {
+            // Clear the set of players who have finished the animation for the next shot
+            playersFinishedShellAnimation.clear();
+
+            // Transition back to the BATTLE state
+            setState(ServerState.BATTLE);
+
+            // Log the completion of the shell animation
+            LOGGER.log(Level.INFO, "Both players finished shell animation. Returning to BATTLE state.");
+        }
+    }
+
 
 }

Projekte/battleship/model/src/main/java/pp/battleship/game/server/ServerState.java

@@ -29,5 +29,10 @@ enum ServerState {
     /**
      * The game has ended because all the ships of one player have been destroyed.
      */
-    GAME_OVER
+    GAME_OVER,
+    /**
+     * The games is frozen as long as the shell animation is running
+     */
+    SHELL_IN_FLIGHT
+
 }

Projekte/battleship/model/src/main/java/pp/battleship/game/singlemode/Copycat.java

@@ -12,6 +12,7 @@ import pp.battleship.message.client.ClientMessage;
 import pp.battleship.message.client.MapMessage;
 import pp.battleship.message.client.ShootMessage;
 import pp.battleship.model.Battleship;
+import pp.battleship.message.client.ShellAnimationFinishedMessage;
 
 /**
  * The {@code Copycat} class is a utility that creates a copy of a {@link ClientMessage}.
@@ -72,4 +73,11 @@ class Copycat implements ClientInterpreter {
     private static Battleship copy(Battleship ship) {
         return new Battleship(ship.getLength(), ship.getX(), ship.getY(), ship.getRot());
     }
+
+    @Override
+    public void received(ShellAnimationFinishedMessage shellAnimationFinishedMessage, int from) {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'received'");
+    }
+
 }

Projekte/battleship/model/src/main/java/pp/battleship/message/client/ClientInterpreter.java

@@ -19,6 +19,10 @@ public interface ClientInterpreter {
      */
     void received(ShootMessage msg, int from);
 
+    // TODO
+    void received(ShellAnimationFinishedMessage shellAnimationFinishedMessage, int from);
+
+
     /**
      * Processes a received MapMessage.
      *

Projekte/battleship/model/src/main/java/pp/battleship/message/client/ShellAnimationFinishedMessage.java

@@ -0,0 +1,10 @@
+package pp.battleship.message.client;
+
+public class ShellAnimationFinishedMessage  extends ClientMessage{
+
+    @Override
+    public void accept(ClientInterpreter interpreter, int from) {
+        interpreter.received(this, from);
+    }
+
+}

Projekte/battleship/model/src/main/java/pp/battleship/model/Shell.java

@@ -0,0 +1,48 @@
+package pp.battleship.model;
+
+
+import com.jme3.math.Vector3f;
+
+public class Shell {
+    private Vector3f startPosition;
+    private Vector3f targetPosition;
+    private Vector3f currentPosition;
+    private float speed;
+    private boolean isAtTarget;
+
+    public Shell(Vector3f startPosition, Vector3f targetPosition, float speed) {
+        this.startPosition = startPosition;
+        this.targetPosition = targetPosition;
+        this.currentPosition = new Vector3f(startPosition);
+        this.speed = speed;
+        this.isAtTarget = true;
+    }
+
+    // Aktualisiert die Position des Geschosses basierend auf der verstrichenen Zeit
+    public void updatePosition(float deltaTime) {
+        if (!isAtTarget) {
+            // Berechne die Richtung des Geschosses
+            Vector3f direction = targetPosition.subtract(currentPosition).normalize();
+            // Berechne die Bewegung basierend auf der Geschwindigkeit und der verstrichenen Zeit
+            Vector3f movement = direction.mult(speed * deltaTime);
+            currentPosition.addLocal(movement);
+
+            // Prüfe, ob das Geschoss das Ziel erreicht hat
+            if (currentPosition.distance(targetPosition) < speed * deltaTime) {
+                currentPosition.set(targetPosition);
+                isAtTarget = true;
+            }
+        }
+    }
+
+    // Gibt die aktuelle Position des Geschosses zurück
+    public Vector3f getCurrentPosition() {
+        return currentPosition;
+    }
+
+    // Überprüft, ob das Geschoss das Ziel erreicht hat
+    public boolean isAtTarget() {
+        return isAtTarget;
+    }
+}
+

Projekte/battleship/model/src/main/java/pp/battleship/model/ShellControl.java

@@ -0,0 +1,47 @@
+package pp.battleship.model;
+
+import com.jme3.math.Vector3f;
+import com.jme3.renderer.RenderManager;
+import com.jme3.renderer.ViewPort;
+import com.jme3.scene.Spatial;
+import com.jme3.scene.control.AbstractControl;
+
+public class ShellControl extends AbstractControl {
+
+    private Shell shell;   // Das Shell-Objekt, das die Bewegung des Geschosses enthält
+
+    public ShellControl(Shell shell) {
+        this.shell = shell;
+    }
+
+    // Die Methode wird in jedem Frame aufgerufen, um die Logik zu aktualisieren
+    @Override
+    protected void controlUpdate(float deltaTime) {
+        if (shell != null) {
+            // Aktualisiere die Position des Geschosses basierend auf der verstrichenen Zeit
+            shell.updatePosition(deltaTime);
+
+            // Setze die neue Position des Geschosses im 3D-Raum
+            spatial.setLocalTranslation(shell.getCurrentPosition());
+
+            // Optionale Animation oder Effekte hinzufügen (z.B. Rauch oder Funkenflug)
+            // addParticleEffects();
+        }
+    }
+
+
+    // Setze das Shell-Objekt neu, um es während des Spiels zu ändern
+    public void setShell(Shell shell) {
+        this.shell = shell;
+    }
+
+    // Gibt das aktuell verwendete Shell-Objekt zurück
+    public Shell getShell() {
+        return this.shell;
+    }
+
+    @Override
+    protected void controlRender(RenderManager rm, ViewPort vp) {
+        // TODO Auto-generated method stub
+    }
+}