/**
* Add a single child node to the list of available children. This auto matically deals with
* DEF/USE and adds links and branchgroups where appropriate. When nodes are null, we do not add
* them to the GL representation, only to the vfChildren list.
*
* @param node The node to view
* @throws InvalidFieldValueException This is a bindable node shared
*/
protected void addChildNode(VRMLNodeType node) throws InvalidFieldValueException {
super.addChildNode(node);
OGLVRMLNode n = (OGLVRMLNode) node;
if (!inSetup) {
Node ogl_node = (Node) n.getSceneGraphObject();
oglChildMap.put(node, ogl_node);
if (implGroup.isLive()) {
addedChildren.add(ogl_node);
implGroup.boundsChanged(this);
} else implGroup.addChild(ogl_node);
}
// Finally check for sensors that we need to deal with.
VRMLPointingDeviceSensorNodeType sensor = null;
if (node instanceof VRMLPointingDeviceSensorNodeType)
sensor = (VRMLPointingDeviceSensorNodeType) node;
else if (node instanceof VRMLProtoInstance) {
Object impl = ((VRMLProtoInstance) node).getImplementationNode();
if (impl instanceof VRMLPointingDeviceSensorNodeType)
sensor = (VRMLPointingDeviceSensorNodeType) impl;
}
if (sensor != null) {
// So we have a valid sensor. Let's now add it to the
// system. We only add the sensor itself, even if wrapped in a
// proto. This is so that the processing of sensors doesn't need
// to stuff around with the details of protos. As far as the proto
// node is concerned it just wants the full events, not the
// restricted view the outside of the proto would give.
if (inSetup) sensorList.add(sensor);
else {
OGLUserData data = (OGLUserData) implGroup.getUserData();
if (data == null) {
data = new OGLUserData();
implGroup.setUserData(data);
}
if (data.sensors == null) {
data.sensors = new VRMLPointingDeviceSensorNodeType[1];
data.sensors[0] = sensor;
} else {
int size = data.sensors.length;
VRMLPointingDeviceSensorNodeType[] tmp = new VRMLPointingDeviceSensorNodeType[size + 1];
System.arraycopy(data.sensors, 0, tmp, 0, size);
tmp[size] = sensor;
data.sensors = tmp;
}
}
}
}
/**
* Remove the given node from this grouping node. If the node is not a child of this node, the
* request is silently ignored.
*
* @param node The node to remove
*/
protected void removeChildNode(VRMLNodeType node) {
if (!oglChildMap.containsKey(node)) return;
if (!inSetup) {
Node ogl_node = (Node) oglChildMap.get(node);
oglChildMap.remove(node);
if (implGroup.isLive()) {
removedChildren.add(ogl_node);
implGroup.boundsChanged(this);
} else implGroup.removeChild(ogl_node);
}
// Check to see if it is a sensor node and in therefore needs to be
// removed from the current list.
VRMLPointingDeviceSensorNodeType sensor = null;
if (node instanceof VRMLPointingDeviceSensorNodeType)
sensor = (VRMLPointingDeviceSensorNodeType) node;
else if (node instanceof VRMLProtoInstance) {
Object impl = ((VRMLProtoInstance) node).getImplementationNode();
if (impl instanceof VRMLPointingDeviceSensorNodeType)
sensor = (VRMLPointingDeviceSensorNodeType) impl;
}
if (sensor != null) {
OGLUserData data = (OGLUserData) oglImplGroup.getUserData();
int size = data.sensors.length;
if (size == 1) {
data.sensors = null;
} else {
int i;
for (i = 0; i < size; i++) {
if (data.sensors[i] == sensor) break;
}
for (; i < size - 1; i++) data.sensors[i] = data.sensors[i + 1];
// now resize the array to suit
VRMLPointingDeviceSensorNodeType[] tmp = new VRMLPointingDeviceSensorNodeType[size - 1];
System.arraycopy(data.sensors, 0, tmp, 0, size - 1);
data.sensors = tmp;
}
}
super.removeChildNode(node);
}
/** Clear the child node list of all children - both VRML and OpenGL. */
protected void clearChildren() {
int size = vfChildren.size();
for (int i = 0; i < size; i++) {
OGLVRMLNode node = (OGLVRMLNode) vfChildren.get(i);
Node ogl_node = (Node) oglChildMap.get(node);
removedChildren.add(ogl_node);
oglChildMap.remove(node);
}
if (!inSetup) {
if (implGroup.isLive()) {
implGroup.boundsChanged(this);
} else {
removedChildren.clear();
implGroup.removeAllChildren();
}
}
if (sensorList != null) sensorList.clear();
OGLUserData data = (OGLUserData) implGroup.getUserData();
if (data != null) {
data.sensors = null;
}
super.clearChildren();
}
/**
* Notification that the construction phase of this node has finished. If the node would like to
* do any internal processing, such as setting up geometry, then go for it now.
*/
public void setupFinished() {
if (!inSetup) return;
super.setupFinished();
if (isStatic && shareCount == 0) {
oglImplGroup = implGroup;
} else {
oglImplGroup = new SharedGroup();
oglImplGroup.addChild(implGroup);
}
// Check what sensors we have available and register those with the
// user data information.
if (!isStatic && (sensorList.size() != 0)) {
OGLUserData data = new OGLUserData();
implGroup.setUserData(data);
data.sensors = new VRMLPointingDeviceSensorNodeType[sensorList.size()];
sensorList.toArray(data.sensors);
}
sensorList = null;
oglChildMap = new HashMap();
oglChildList = new LinkedList();
for (int i = 0; i < childCount; i++) {
OGLVRMLNode node = (OGLVRMLNode) vfChildren.get(i);
Node ogl_node = (Node) node.getSceneGraphObject();
implGroup.addChild(ogl_node);
oglChildList.add(ogl_node);
oglChildMap.put(node, ogl_node);
}
if (!isStatic) {
removedChildren = new LinkedList();
addedChildren = new LinkedList();
}
// Need to fix this, not handling the list being different size to th
// real values.
System.out.println("OGLCADLayer not handling numVisible correctly");
implGroup.setMask(vfVisible);
}