/** Should only be called from updateGeometricState(). In most cases should not be subclassed. */
protected void updateWorldTransforms() {
if (parent == null) {
worldTransform.set(localTransform);
refreshFlags &= ~RF_TRANSFORM;
} else {
// check if transform for parent is updated
assert ((parent.refreshFlags & RF_TRANSFORM) == 0);
worldTransform.set(localTransform);
worldTransform.combineWithParent(parent.worldTransform);
refreshFlags &= ~RF_TRANSFORM;
}
}
/** Computes the world transform of this Spatial in the most efficient manner possible. */
void checkDoTransformUpdate() {
if ((refreshFlags & RF_TRANSFORM) == 0) {
return;
}
if (parent == null) {
worldTransform.set(localTransform);
refreshFlags &= ~RF_TRANSFORM;
} else {
TempVars vars = TempVars.get();
Spatial[] stack = vars.spatialStack;
Spatial rootNode = this;
int i = 0;
while (true) {
Spatial hisParent = rootNode.parent;
if (hisParent == null) {
rootNode.worldTransform.set(rootNode.localTransform);
rootNode.refreshFlags &= ~RF_TRANSFORM;
i--;
break;
}
stack[i] = rootNode;
if ((hisParent.refreshFlags & RF_TRANSFORM) == 0) {
break;
}
rootNode = hisParent;
i++;
}
vars.release();
for (int j = i; j >= 0; j--) {
rootNode = stack[j];
// rootNode.worldTransform.set(rootNode.localTransform);
// rootNode.worldTransform.combineWithParent(rootNode.parent.worldTransform);
// rootNode.refreshFlags &= ~RF_TRANSFORM;
rootNode.updateWorldTransforms();
}
}
}
/** This method computes the pose transform for the bone. */
@SuppressWarnings("unchecked")
private void computePoseTransform() {
DynamicArray<Number> loc = (DynamicArray<Number>) poseChannel.getFieldValue("loc");
DynamicArray<Number> size = (DynamicArray<Number>) poseChannel.getFieldValue("size");
DynamicArray<Number> quat = (DynamicArray<Number>) poseChannel.getFieldValue("quat");
if (fixUpAxis) {
poseTransform.setTranslation(
loc.get(0).floatValue(), -loc.get(2).floatValue(), loc.get(1).floatValue());
poseTransform.setRotation(
new Quaternion(
quat.get(1).floatValue(),
quat.get(3).floatValue(),
-quat.get(2).floatValue(),
quat.get(0).floatValue()));
poseTransform.setScale(
size.get(0).floatValue(), size.get(2).floatValue(), size.get(1).floatValue());
} else {
poseTransform.setTranslation(
loc.get(0).floatValue(), loc.get(1).floatValue(), loc.get(2).floatValue());
poseTransform.setRotation(
new Quaternion(
quat.get(0).floatValue(),
quat.get(1).floatValue(),
quat.get(2).floatValue(),
quat.get(3).floatValue()));
poseTransform.setScale(
size.get(0).floatValue(), size.get(1).floatValue(), size.get(2).floatValue());
}
Transform localTransform = new Transform(bone.getLocalPosition(), bone.getLocalRotation());
localTransform.setScale(bone.getLocalScale());
localTransform.getTranslation().addLocal(poseTransform.getTranslation());
localTransform.getRotation().multLocal(poseTransform.getRotation());
localTransform.getScale().multLocal(poseTransform.getScale());
poseTransform.set(localTransform);
}
