Bugfix: properly importing object animations where not all axes are being animated by the ipo curves (provided by arpagaus - thanks a lot :) ).

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@10952 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/blender/com/jme3/scene/plugins/blender/animations/ArmatureHelper.java

@@ -183,7 +183,7 @@ public class ArmatureHelper extends AbstractBlenderHelper {
 
                 Bone bone = skeleton.getBone(boneIndex);
                 Ipo ipo = new Ipo(bezierCurves, fixUpAxis, blenderContext.getBlenderVersion());
-                tracks.add((BoneTrack) ipo.calculateTrack(boneIndex, bone.getLocalRotation(), 0, ipo.getLastFrame(), fps, false));
+                tracks.add((BoneTrack) ipo.calculateTrack(boneIndex, bone.getLocalPosition(), bone.getLocalRotation(), bone.getLocalScale(), 0, ipo.getLastFrame(), fps, false));
             }
         }
         this.equaliseBoneTracks(tracks);
@@ -221,7 +221,7 @@ public class ArmatureHelper extends AbstractBlenderHelper {
                     Bone bone = skeleton.getBone(boneIndex);
                     Ipo ipo = ipoHelper.fromIpoStructure(ipoStructure, blenderContext);
                     if (ipo != null) {
-                        tracks.add((BoneTrack) ipo.calculateTrack(boneIndex, bone.getLocalRotation(), 0, ipo.getLastFrame(), fps, false));
+                        tracks.add((BoneTrack) ipo.calculateTrack(boneIndex, bone.getLocalPosition(), bone.getLocalRotation(), bone.getLocalScale(), 0, ipo.getLastFrame(), fps, false));
                     }
                 }
             }

engine/src/blender/com/jme3/scene/plugins/blender/animations/Ipo.java

@@ -115,23 +115,29 @@ public class Ipo {
      *            the index of the target for which the method calculates the
      *            tracks IMPORTANT! Aet to -1 (or any negative number) if you
      *            want to load spatial animation.
-     * @param localQuaternionRotation
+     * @param localTranslation
+     *            the local translation of the object/bone that will be animated by
+     *            the track
+     * @param localRotation
      *            the local rotation of the object/bone that will be animated by
      *            the track
+     * @param localScale
+     *            the local scale of the object/bone that will be animated by
+     *            the track
      * @param startFrame
-     *            the firs frame of tracks (inclusive)
+     *            the first frame of tracks (inclusive)
      * @param stopFrame
      *            the last frame of the tracks (inclusive)
      * @param fps
      *            frame rate (frames per second)
      * @param spatialTrack
      *            this flag indicates if the track belongs to a spatial or to a
-     *            bone; the diference is important because it appears that bones
+     *            bone; the difference is important because it appears that bones
      *            in blender have the same type of coordinate system (Y as UP)
      *            as jme while other features have different one (Z is UP)
      * @return bone track for the specified bone
      */
-    public Track calculateTrack(int targetIndex, Quaternion localQuaternionRotation, int startFrame, int stopFrame, int fps, boolean spatialTrack) {
+    public Track calculateTrack(int targetIndex, Vector3f localTranslation, Quaternion localRotation, Vector3f localScale, int startFrame, int stopFrame, int fps, boolean spatialTrack) {
         if (calculatedTrack == null) {
             // preparing data for track
             int framesAmount = stopFrame - startFrame;
@@ -139,12 +145,12 @@ public class Ipo {
 
             float[] times = new float[framesAmount + 1];
             Vector3f[] translations = new Vector3f[framesAmount + 1];
-            float[] translation = new float[3];
+            float[] translation = new float[] { localTranslation.x, localTranslation.y, localTranslation.z };
             Quaternion[] rotations = new Quaternion[framesAmount + 1];
-            float[] quaternionRotation = new float[] { 0, 0, 0, 1 };
+            float[] quaternionRotation = new float[] { localRotation.getX(), localRotation.getY(), localRotation.getZ(), localRotation.getW(), };
-            float[] objectRotation = new float[3];
+            float[] objectRotation = localRotation.toAngles(null);
             Vector3f[] scales = new Vector3f[framesAmount + 1];
-            float[] scale = new float[] { 1.0f, 1.0f, 1.0f };
+            float[] scale = new float[] { localScale.x, localScale.y, localScale.z };
             float degreeToRadiansFactor = 1;
             if (blenderVersion < 250) {// in blender earlier than 2.50 the values are stored in degrees
                 degreeToRadiansFactor *= FastMath.DEG_TO_RAD * 10;// the values in blender are divided by 10, so we need to mult it here
@@ -222,7 +228,7 @@ public class Ipo {
                             LOGGER.log(Level.WARNING, "Unknown ipo curve type: {0}.", bezierCurves[j].getType());
                     }
                 }
-                translations[index] = localQuaternionRotation.multLocal(new Vector3f(translation[0], translation[1], translation[2]));
+                translations[index] = localRotation.multLocal(new Vector3f(translation[0], translation[1], translation[2]));
                 rotations[index] = spatialTrack ? new Quaternion().fromAngles(objectRotation) : new Quaternion(quaternionRotation[0], quaternionRotation[1], quaternionRotation[2], quaternionRotation[3]);
                 scales[index] = new Vector3f(scale[0], scale[1], scale[2]);
             }

engine/src/blender/com/jme3/scene/plugins/blender/animations/IpoHelper.java

@@ -1,7 +1,11 @@
 package com.jme3.scene.plugins.blender.animations;
 
+import java.util.List;
+import java.util.logging.Logger;
+
 import com.jme3.animation.BoneTrack;
 import com.jme3.math.Quaternion;
+import com.jme3.math.Vector3f;
 import com.jme3.scene.plugins.blender.AbstractBlenderHelper;
 import com.jme3.scene.plugins.blender.BlenderContext;
 import com.jme3.scene.plugins.blender.curves.BezierCurve;
@@ -11,9 +15,6 @@ import com.jme3.scene.plugins.blender.file.FileBlockHeader;
 import com.jme3.scene.plugins.blender.file.Pointer;
 import com.jme3.scene.plugins.blender.file.Structure;
 
-import java.util.List;
-import java.util.logging.Logger;
-
 /**
  * This class helps to compute values from interpolation curves for features
  * like animation or constraint influence. The curves are 3rd degree bezier
@@ -186,7 +187,7 @@ public class IpoHelper extends AbstractBlenderHelper {
         }
 
         @Override
-        public BoneTrack calculateTrack(int boneIndex, Quaternion localQuaternionRotation, int startFrame, int stopFrame, int fps, boolean boneTrack) {
+        public BoneTrack calculateTrack(int boneIndex, Vector3f localTranslation, Quaternion localRotation, Vector3f localScale, int startFrame, int stopFrame, int fps, boolean boneTrack) {
             throw new IllegalStateException("Constatnt ipo object cannot be used for calculating bone tracks!");
         }
     }

engine/src/blender/com/jme3/scene/plugins/blender/modifiers/ObjectAnimationModifier.java

@@ -53,7 +53,7 @@ import com.jme3.scene.plugins.blender.file.BlenderFileException;
 
         Spatial object = (Spatial) blenderContext.getLoadedFeature(objectOMA, LoadedFeatureDataType.LOADED_FEATURE);
         // calculating track
-        SpatialTrack track = (SpatialTrack) ipo.calculateTrack(-1, object.getLocalRotation(), 0, ipo.getLastFrame(), fps, true);
+        SpatialTrack track = (SpatialTrack) ipo.calculateTrack(-1, object.getLocalTranslation(), object.getLocalRotation(), object.getLocalScale(), 0, ipo.getLastFrame(), fps, true);
 
         Animation animation = new Animation(objectAnimationName, ipo.getLastFrame() / (float) fps);
         animation.setTracks(new SpatialTrack[] { track });