diff options
Diffstat (limited to 'engine/src/blender/com/jme3/scene/plugins/blender/constraints/ConstraintSizeLimit.java')
| -rw-r--r-- | engine/src/blender/com/jme3/scene/plugins/blender/constraints/ConstraintSizeLimit.java | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/constraints/ConstraintSizeLimit.java b/engine/src/blender/com/jme3/scene/plugins/blender/constraints/ConstraintSizeLimit.java new file mode 100644 index 0000000..5d58299 --- /dev/null +++ b/engine/src/blender/com/jme3/scene/plugins/blender/constraints/ConstraintSizeLimit.java @@ -0,0 +1,131 @@ +package com.jme3.scene.plugins.blender.constraints;
+
+import com.jme3.animation.Animation;
+import com.jme3.math.Transform;
+import com.jme3.math.Vector3f;
+import com.jme3.scene.Spatial;
+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.blender.file.Structure;
+import com.jme3.scene.plugins.ogre.AnimData;
+
+/**
+ * This class represents 'Size limit' constraint type in blender.
+ * @author Marcin Roguski (Kaelthas)
+ */
+/*package*/ class ConstraintSizeLimit extends Constraint {
+ private static final int LIMIT_XMIN = 0x01;
+ private static final int LIMIT_XMAX = 0x02;
+ private static final int LIMIT_YMIN = 0x04;
+ private static final int LIMIT_YMAX = 0x08;
+ private static final int LIMIT_ZMIN = 0x10;
+ private static final int LIMIT_ZMAX = 0x20;
+
+ protected float[][] limits = new float[3][2];
+ protected int flag;
+
+ /**
+ * This constructor creates the constraint instance.
+ *
+ * @param constraintStructure
+ * the constraint's structure (bConstraint clss in blender 2.49).
+ * @param ownerOMA
+ * the old memory address of the constraint owner
+ * @param influenceIpo
+ * the ipo curve of the influence factor
+ * @param blenderContext
+ * the blender context
+ * @throws BlenderFileException
+ * this exception is thrown when the blender file is somehow
+ * corrupted
+ */
+ public ConstraintSizeLimit(Structure constraintStructure, Long ownerOMA,
+ Ipo influenceIpo, BlenderContext blenderContext) throws BlenderFileException {
+ super(constraintStructure, ownerOMA, influenceIpo, blenderContext);
+
+ flag = ((Number) data.getFieldValue("flag")).intValue();
+ if(blenderContext.getBlenderKey().isFixUpAxis()) {
+ limits[0][0] = ((Number) data.getFieldValue("xmin")).floatValue();
+ limits[0][1] = ((Number) data.getFieldValue("xmax")).floatValue();
+ limits[2][0] = -((Number) data.getFieldValue("ymin")).floatValue();
+ limits[2][1] = -((Number) data.getFieldValue("ymax")).floatValue();
+ limits[1][0] = ((Number) data.getFieldValue("zmin")).floatValue();
+ limits[1][1] = ((Number) data.getFieldValue("zmax")).floatValue();
+
+ //swapping Y and X limits flag in the bitwise flag
+ int ymin = flag & LIMIT_YMIN;
+ int ymax = flag & LIMIT_YMAX;
+ int zmin = flag & LIMIT_ZMIN;
+ int zmax = flag & LIMIT_ZMAX;
+ flag &= LIMIT_XMIN | LIMIT_XMAX;//clear the other flags to swap them
+ flag |= ymin << 2;
+ flag |= ymax << 2;
+ flag |= zmin >> 2;
+ flag |= zmax >> 2;
+ } else {
+ limits[0][0] = ((Number) data.getFieldValue("xmin")).floatValue();
+ limits[0][1] = ((Number) data.getFieldValue("xmax")).floatValue();
+ limits[1][0] = ((Number) data.getFieldValue("ymin")).floatValue();
+ limits[1][1] = ((Number) data.getFieldValue("ymax")).floatValue();
+ limits[2][0] = ((Number) data.getFieldValue("zmin")).floatValue();
+ limits[2][1] = ((Number) data.getFieldValue("zmax")).floatValue();
+ }
+ }
+
+ @Override
+ protected void bakeConstraint() {
+ Object owner = this.owner.getObject();
+ AnimData animData = blenderContext.getAnimData(this.owner.getOma());
+ if(animData != null) {
+ for(Animation animation : animData.anims) {
+ BlenderTrack track = this.getTrack(owner, animData.skeleton, animation);
+ Vector3f[] scales = track.getScales();
+ int maxFrames = scales.length;
+ for (int frame = 0; frame < maxFrames; ++frame) {
+ this.sizeLimit(scales[frame], ipo.calculateValue(frame));
+ }
+ track.setKeyframes(track.getTimes(), track.getTranslations(), track.getRotations(), scales);
+ }
+ }
+
+ if(owner instanceof Spatial) {
+ Transform ownerTransform = this.owner.getTransform();
+ this.sizeLimit(ownerTransform.getScale(), ipo.calculateValue(0));
+ this.owner.applyTransform(ownerTransform);
+ }
+ }
+
+ private void sizeLimit(Vector3f scale, float influence) {
+ if ((flag & LIMIT_XMIN) != 0) {
+ if (scale.x < limits[0][0]) {
+ scale.x -= (scale.x - limits[0][0]) * influence;
+ }
+ }
+ if ((flag & LIMIT_XMAX) != 0) {
+ if (scale.x > limits[0][1]) {
+ scale.x -= (scale.x - limits[0][1]) * influence;
+ }
+ }
+ if ((flag & LIMIT_YMIN) != 0) {
+ if (scale.y < limits[1][0]) {
+ scale.y -= (scale.y - limits[1][0]) * influence;
+ }
+ }
+ if ((flag & LIMIT_YMAX) != 0) {
+ if (scale.y > limits[1][1]) {
+ scale.y -= (scale.y - limits[1][1]) * influence;
+ }
+ }
+ if ((flag & LIMIT_ZMIN) != 0) {
+ if (scale.z < limits[2][0]) {
+ scale.z -= (scale.z - limits[2][0]) * influence;
+ }
+ }
+ if ((flag & LIMIT_ZMAX) != 0) {
+ if (scale.z > limits[2][1]) {
+ scale.z -= (scale.z - limits[2][1]) * influence;
+ }
+ }
+ }
+}
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