1 files changed, 91 insertions, 0 deletions
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/ObjectAnimationModifier.java b/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/ObjectAnimationModifier.java
new file mode 100644
index 0000000..a41395c
--- /dev/null
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/ObjectAnimationModifier.java
@@ -0,0 +1,91 @@
+package com.jme3.scene.plugins.blender.modifiers;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import com.jme3.animation.AnimControl;
+import com.jme3.animation.Animation;
+import com.jme3.animation.SpatialTrack;
+import com.jme3.scene.Node;
+import com.jme3.scene.plugins.blender.BlenderContext;
+import com.jme3.scene.plugins.blender.animations.Ipo;
+import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.ogre.AnimData;
+
+/**
+ * This modifier allows to add animation to the object.
+ * 
+ * @author Marcin Roguski (Kaelthas)
+ */
+/* package */class ObjectAnimationModifier extends Modifier {
+	private static final Logger	LOGGER	= Logger.getLogger(ObjectAnimationModifier.class.getName());
+
+	/** Loaded animation data. */
+	private AnimData			animData;
+
+	/**
+	 * This constructor reads animation of the object itself (without bones) and
+	 * stores it as an ArmatureModifierData modifier. The animation is returned
+	 * as a modifier. It should be later applied regardless other modifiers. The
+	 * reason for this is that object may not have modifiers added but it's
+	 * animation should be working. The stored modifier is an anim data and
+	 * additional data is given object's OMA.
+	 * 
+	 * @param ipo
+	 *            the object's interpolation curves
+	 * @param objectAnimationName
+	 *            the name of object's animation
+	 * @param objectOMA
+	 *            the OMA of the object
+	 * @param blenderContext
+	 *            the blender context
+	 * @throws BlenderFileException
+	 *             this exception is thrown when the blender file is somehow
+	 *             corrupted
+	 */
+	public ObjectAnimationModifier(Ipo ipo, String objectAnimationName, Long objectOMA, BlenderContext blenderContext) throws BlenderFileException {
+		int fps = blenderContext.getBlenderKey().getFps();
+
+		// calculating track
+		SpatialTrack track = (SpatialTrack) ipo.calculateTrack(-1, 0, ipo.getLastFrame(), fps, true);
+
+		Animation animation = new Animation(objectAnimationName, ipo.getLastFrame() / fps);
+		animation.setTracks(new SpatialTrack[] { track });
+		ArrayList<Animation> animations = new ArrayList<Animation>(1);
+		animations.add(animation);
+
+		animData = new AnimData(null, animations);
+		blenderContext.setAnimData(objectOMA, animData);
+	}
+
+	@Override
+	public Node apply(Node node, BlenderContext blenderContext) {
+		if (invalid) {
+			LOGGER.log(Level.WARNING, "Armature modifier is invalid! Cannot be applied to: {0}", node.getName());
+		}// if invalid, animData will be null
+		if (animData != null) {
+			// INFO: constraints for this modifier are applied in the
+			// ObjectHelper when the whole object is loaded
+			ArrayList<Animation> animList = animData.anims;
+			if (animList != null && animList.size() > 0) {
+				HashMap<String, Animation> anims = new HashMap<String, Animation>();
+				for (int i = 0; i < animList.size(); ++i) {
+					Animation animation = animList.get(i);
+					anims.put(animation.getName(), animation);
+				}
+
+				AnimControl control = new AnimControl(null);
+				control.setAnimations(anims);
+				node.addControl(control);
+			}
+		}
+		return node;
+	}
+
+	@Override
+	public String getType() {
+		return Modifier.OBJECT_ANIMATION_MODIFIER_DATA;
+	}
+}