reworked the shell animation

Projekte/battleship/client/src/main/java/pp/battleship/client/gui/MapView.java

@@ -28,7 +28,7 @@ import pp.util.Position;
  * and interaction between the model and the view.
  */
 class MapView {
-    private static final float FIELD_SIZE = 40f;
+    public static final float FIELD_SIZE = 40f;
     private static final float GRID_LINE_WIDTH = 2f;
     private static final float BACKGROUND_DEPTH = -4f;
     private static final float GRID_DEPTH = -1f;

Projekte/battleship/client/src/main/java/pp/battleship/client/gui/MapViewSynchronizer.java

@@ -7,14 +7,21 @@
 
 package pp.battleship.client.gui;
 
+import com.jme3.material.Material;
+import com.jme3.material.RenderState;
+import com.jme3.material.RenderState.BlendMode;
 import com.jme3.math.ColorRGBA;
 import com.jme3.scene.Geometry;
 import com.jme3.scene.Node;
 import com.jme3.scene.Spatial;
+import com.jme3.scene.shape.Sphere;
 import pp.battleship.model.Battleship;
+import pp.battleship.model.Shell;
 import pp.battleship.model.Shot;
 import pp.util.Position;
 
+import static com.jme3.material.Materials.UNSHADED;
+
 /**
  * Synchronizes the visual representation of the ship map with the game model.
  * It handles the rendering of ships and shots on the map view, updating the view
@@ -122,4 +129,25 @@ class MapViewSynchronizer extends ShipMapSynchronizer {
     private Geometry shipLine(float x1, float y1, float x2, float y2, ColorRGBA color) {
         return view.getApp().getDraw().makeFatLine(x1, y1, x2, y2, SHIP_DEPTH, color, SHIP_LINE_WIDTH);
     }
+
+    /**
+     * Creates and returns a Spatial representation of the given {@code Shell} object
+     * for 2D visualization in the game. The shell is represented as a circle.
+     *
+     * @param shell The {@code Shell} object to be visualized.
+     * @return A {@code Spatial} object representing the shell on the map.
+     */
+    @Override
+    public Spatial visit(Shell shell) {
+        final ColorRGBA color = ColorRGBA.Black;
+        Geometry ellipse = new Geometry("ellipse", new Sphere(50, 50, MapView.FIELD_SIZE / 2 * 0.8f));
+        Material mat = new Material(view.getApp().getAssetManager(), UNSHADED); //NON-NLS
+        mat.getAdditionalRenderState().setBlendMode(BlendMode.Alpha);
+        mat.getAdditionalRenderState().setFaceCullMode(RenderState.FaceCullMode.Off);
+        mat.setColor("Color", color);
+        ellipse.setMaterial(mat);
+        ellipse.addControl(new Shell2DControl(view, shell));
+        return ellipse;
+    }
+
 }

Projekte/battleship/client/src/main/java/pp/battleship/client/gui/SeaSynchronizer.java

@@ -44,7 +44,7 @@ class SeaSynchronizer extends ShipMapSynchronizer {
     private static final String SMALL_BOAT_MODEL = "Models/BoatSmall/12219_boat_v2_L2.j3o";
     private static final String BATTLE_MODEL = "Models/Battle/Battle.j3o"; //NON-NLS
     private static final String CV_MODEL = "Models/CV/CV.j3o"; //NON-NLS
-    private static final String SHELL_MODEL = "Models/Shell/45.j3o";
+    private static final String LIGHTING = "Common/MatDefs/Light/Lighting.j3md";
     private static final String COLOR = "Color"; //NON-NLS
     private static final String SHIP = "ship"; //NON-NLS
     private static final String SHOT = "shot"; //NON-NLS
@@ -322,21 +322,6 @@ class SeaSynchronizer extends ShipMapSynchronizer {
         return waterSplash;
     }
 
-    private void initiateShellFlight(Shot shot) {
-        Vector3f startPosition = new Vector3f(0, 1, 0);  // The position where the shell starts, can be adjusted
-        Vector3f targetPosition = new Vector3f(shot.getX() + 0.5f, 0, shot.getY() + 0.5f);
-
-        shell = new Shell(startPosition, targetPosition, 2f);  // 2 seconds flight duration
-        shellModel = app.getAssetManager().loadModel(SHELL_MODEL);
-        Material material = new Material(app.getAssetManager(), "Common/MatDefs/Misc/Unshaded.j3md");
-        material.setColor("Color", ColorRGBA.Yellow);
-        shellModel.setMaterial(material);
-
-        // Set the initial position for the shell model
-        shellModel.setLocalTranslation(startPosition);
-        //.attachChild(shellModel); TODO
-    }
-
     /**
      * Constructs a {@code SeaSynchronizer} object with the specified application, root node, and ship map.
      *
@@ -629,4 +614,26 @@ class SeaSynchronizer extends ShipMapSynchronizer {
             case UP -> PI;
         };
     }
+
+    /**
+     * Creates and returns a 3D model representation of the given {@code Shell} object
+     * for visualization in the game.
+     *
+     * @param shell The {@code Shell} object to be visualized.
+     * @return A {@code Spatial} object representing the 3D model of the shell.
+     */
+    @Override
+    public Spatial visit(Shell shell) {
+        final Spatial model = app.getAssetManager().loadModel("Models/Shell/shell.j3o");
+        model.setLocalScale(.05f);
+        model.setShadowMode(ShadowMode.CastAndReceive);
+        Material mat = new Material(app.getAssetManager(), LIGHTING);
+        mat.setTexture("DiffuseMap", app.getAssetManager().loadTexture("Models/Shell/shell_color.png"));
+        mat.setReceivesShadows(true);
+        model.setMaterial(mat);
+
+        model.addControl(new ShellControl(shell));
+        return model;
+    }
+
 }

Projekte/battleship/client/src/main/java/pp/battleship/client/gui/Shell2DControl.java

@@ -0,0 +1,50 @@
+package pp.battleship.client.gui;
+
+import com.jme3.math.Vector3f;
+import com.jme3.renderer.RenderManager;
+import com.jme3.renderer.ViewPort;
+import com.jme3.scene.control.AbstractControl;
+import pp.battleship.model.Shell;
+import pp.util.Position;
+
+/**
+ * Controls the 2D representation of a {@code Shell} in the game, updating its position
+ * based on the shell's current state in the game model. The {@code Shell2DControl} class
+ * is responsible for translating the shell's 3D position to a 2D view position within
+ * the game's map view.
+ */
+public class Shell2DControl extends AbstractControl {
+    private final Shell shell;
+    private final MapView view;
+
+    /**
+     * Constructs a new {@code Shell2DControl} to manage the 2D visualization of the given {@code Shell}.
+     *
+     * @param view  The {@code MapView} used to get information about the map to display.
+     * @param shell The {@code Shell} being visualized.
+     */
+    public Shell2DControl(MapView view, Shell shell){
+        this.shell = shell;
+        this.view = view;
+    }
+
+    /**
+     * Updates the position of the shell's 2D representation based on the shell's current
+     * 3D position in the game model. The position is mapped from model space to view space
+     * coordinates and translated to the appropriate location within the {@code MapView}.
+     *
+     * @param tpf Time per frame, representing the time elapsed since the last frame.
+     */
+    @Override
+    protected void controlUpdate(float tpf) {
+        Vector3f shellPos = shell.getPosition();
+        Position viewPos = view.modelToView(shellPos.x, shellPos.z);
+        spatial.setLocalTranslation(viewPos.getX() + MapView.FIELD_SIZE / 2, viewPos.getY() + MapView.FIELD_SIZE / 2, 0);
+    }
+
+    @Override
+    protected void controlRender(RenderManager rm, ViewPort vp) {
+        // No rendering-specific behavior required for this control
+    }
+}
+

Projekte/battleship/client/src/main/java/pp/battleship/client/gui/ShellControl.java

@@ -0,0 +1,51 @@
+package pp.battleship.client.gui;
+
+import com.jme3.math.Vector3f;
+import com.jme3.renderer.RenderManager;
+import com.jme3.renderer.ViewPort;
+import com.jme3.scene.control.AbstractControl;
+import pp.battleship.model.Shell;
+
+import static pp.util.FloatMath.PI;
+
+/**
+ * Controls the 3D representation of a {@code Shell} in the game, updating its position
+ * and rotation based on the shell's current state in the game model. The {@code ShellControl}
+ * class ensures that the spatial associated with the shell is positioned and oriented correctly
+ * within the world.
+ */
+public class ShellControl extends AbstractControl {
+    private final Shell shell;
+
+    /**
+     * Constructs a new {@code ShellControl} to manage the 3D visualization of the given {@code Shell}.
+     *
+     * @param shell The {@code Shell} being visualized and controlled.
+     */
+    public ShellControl(Shell shell){
+        super();
+        this.shell = shell;
+    }
+
+    /**
+     * Updates the 3D position and rotation of the shell based on its current state.
+     * Converts map coordinates to world coordinates and applies the shell's orientation.
+     *
+     * @param tpf Time per frame, representing the elapsed time since the last update.
+     */
+    @Override
+    protected void controlUpdate(float tpf) {
+        Vector3f pos = shell.getPosition();
+        Vector3f fixed = new Vector3f(pos.z + 0.5f, pos.y, pos.x + 0.5f);
+        fixed.setY(pos.y);
+        spatial.setLocalTranslation(fixed);
+        spatial.setLocalRotation(shell.getRotation());
+        spatial.rotate(PI/2,0,0);
+    }
+
+    @Override
+    protected void controlRender(RenderManager rm, ViewPort vp) {
+        // No rendering-specific behavior required for this control
+    }
+}
+