Update TestOgreConvert.java

Author: capdevon

jme3-examples/src/main/java/jme3test/export/TestOgreConvert.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2025 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -29,53 +29,112 @@
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-
 package jme3test.export;
 
 import com.jme3.anim.AnimComposer;
+import com.jme3.anim.SkinningControl;
 import com.jme3.app.SimpleApplication;
 import com.jme3.export.binary.BinaryExporter;
-import com.jme3.export.binary.BinaryImporter;
+import com.jme3.font.BitmapText;
+import com.jme3.light.AmbientLight;
 import com.jme3.light.DirectionalLight;
+import com.jme3.material.MatParamOverride;
 import com.jme3.math.ColorRGBA;
 import com.jme3.math.Vector3f;
-import com.jme3.scene.Node;
 import com.jme3.scene.Spatial;
 
-import java.io.*;
-
+/**
+ * This class is a jMonkeyEngine 3 (jME3) test application designed to verify
+ * the import, export, and runtime behavior of 3D models, particularly those
+ * in or compatible with the Ogre3D format (.mesh.xml).
+ * It loads an Ogre model, saves and reloads it using jME3's binary exporter,
+ * plays an animation, and displays debugging information about its skinning
+ * and material parameters.
+ *
+ * @author capdevon
+ */
 public class TestOgreConvert extends SimpleApplication {
 
-    public static void main(String[] args){
+    public static void main(String[] args) {
         TestOgreConvert app = new TestOgreConvert();
+        app.setPauseOnLostFocus(false);
         app.start();
     }
 
+    private final StringBuilder sb = new StringBuilder();
+    private int frameCount = 0;
+    private BitmapText bmp;
+    private Spatial spCopy;
+    private SkinningControl skinningControl;
+    private AnimComposer animComposer;
+
     @Override
     public void simpleInitApp() {
-        Spatial ogreModel = assetManager.loadModel("Models/Oto/Oto.mesh.xml");
+        configureCamera();
+        setupLights();
+
+        bmp = createLabelText(10, 20, "<placeholder>");
+
+        // Load the Ogre model (Oto.mesh.xml) from the assets
+        Spatial model = assetManager.loadModel("Models/Oto/Oto.mesh.xml");
+
+        // Save the loaded model to jME3's binary format and then reload it.
+        // This tests the binary serialization/deserialization process.
+        spCopy = BinaryExporter.saveAndLoad(assetManager, model);
+        spCopy.setName("Oto-Copy");
+        rootNode.attachChild(spCopy);
+
+        animComposer = spCopy.getControl(AnimComposer.class);
+        animComposer.setCurrentAction("Walk");
+
+        // Get the SkinningControl from the model to inspect skinning properties
+        skinningControl = spCopy.getControl(SkinningControl.class);
+    }
+
+    private void setupLights() {
+        AmbientLight al = new AmbientLight();
+        rootNode.addLight(al);
 
         DirectionalLight dl = new DirectionalLight();
-        dl.setColor(ColorRGBA.White);
-        dl.setDirection(new Vector3f(0,-1,-1).normalizeLocal());
+        dl.setDirection(new Vector3f(0, -1, -1).normalizeLocal());
         rootNode.addLight(dl);
+    }
 
-        try {
-            ByteArrayOutputStream baos = new ByteArrayOutputStream();
-            BinaryExporter exp = new BinaryExporter();
-            exp.save(ogreModel, baos);
+    private void configureCamera() {
+        flyCam.setDragToRotate(true);
+        flyCam.setMoveSpeed(15f);
 
-            ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
-            BinaryImporter imp = new BinaryImporter();
-            imp.setAssetManager(assetManager);
-            Node ogreModelReloaded = (Node) imp.load(bais, null, null);
+        cam.setLocation(new Vector3f(0, 0, 20));
+    }
 
-            AnimComposer composer = ogreModelReloaded.getControl(AnimComposer.class);
-            composer.setCurrentAction("Walk");
+    @Override
+    public void simpleUpdate(float tpf) {
+        frameCount++;
+        if (frameCount == 10) {
+            frameCount = 0;
 
-            rootNode.attachChild(ogreModelReloaded);
-        } catch (IOException ex){
-            ex.printStackTrace();
+            sb.append("HW Skinning Preferred: ").append(skinningControl.isHardwareSkinningPreferred()).append("\n");
+            sb.append("HW Skinning Enabled: ").append(skinningControl.isHardwareSkinningUsed()).append("\n");
+            sb.append("Mesh Targets: ").append(skinningControl.getTargets().length).append("\n");
+            sb.append("Anim Clips: ").append(animComposer.getAnimClips().size()).append("\n");
+
+            for (MatParamOverride mpo : spCopy.getLocalMatParamOverrides()) {
+                sb.append(mpo.getVarType()).append(" ");
+                sb.append(mpo.getName()).append(": ");
+                sb.append(mpo.getValue()).append("\n");
+            }
+
+            bmp.setText(sb.toString());
+            sb.setLength(0);
         }
     }
+
+    private BitmapText createLabelText(int x, int y, String text) {
+        BitmapText bmp = new BitmapText(guiFont);
+        bmp.setText(text);
+        bmp.setLocalTranslation(x, settings.getHeight() - y, 0);
+        bmp.setColor(ColorRGBA.Red);
+        guiNode.attachChild(bmp);
+        return bmp;
+    }
 }