/**
* Get a single world by it's ID
*
* @param id the ID
* @return the world
*/
@RequestMapping("/{id}")
@ResponseBody
public WorldModel get(@PathVariable("id") final String id) {
WorldModel worldModel = new WorldModel();
worldModel.setId(id);
worldModel.setName("Middle Earth");
worldModel.setDescription("The world of The Hobbit and The Lord of the Rings");
worldModel.setCreationDate(OffsetDateTime.now());
worldModel.setOwner(new UserLink());
worldModel.getOwner().setId(UUID.randomUUID().toString());
worldModel.getOwner().setName("Tolkien");
return worldModel;
}
/**
* An entity was removed. If the removed Entity was selected, disable the copy function until a
* new Entity is selected.
*
* @param local Was this action initiated from the local UI
* @param entity The entity being removed from the view
*/
public void entityRemoved(boolean local, Entity entity) {
Entity[] entities = model.getModelData();
Entity check;
setEnabled(false);
for (int i = 0; i < entities.length; i++) {
check = entities[i];
if (check != null) {
setEnabled(true);
break;
}
}
}
/**
* Output a specific entity to the specified stream.
*
* @param model The world model to export
* @param entityID The entity to export
* @param mainScene The X3D scene to write to
*/
public X3DNode export(WorldModel model, int entityID, X3DScene mainScene, String worldURL) {
// get the entity
Entity entity = model.getEntity(entityID);
if (entity == null) {
errorReporter.messageReport("Cannot find model to export: " + entityID);
return null;
}
if (entity.isController()) {
return null;
}
try {
X3DNode group;
// if the entity has a position then place it
if (entity instanceof PositionableEntity) {
double[] position = new double[3];
float[] rotation = new float[4];
float[] scale = new float[3];
((PositionableEntity) entity).getPosition(position);
((PositionableEntity) entity).getRotation(rotation);
((PositionableEntity) entity).getScale(scale);
float[] pos = new float[] {(float) position[0], (float) position[1], (float) position[2]};
// create the transform group node
group = mainScene.createNode("Transform");
SFVec3f translationField = (SFVec3f) (group.getField("translation"));
translationField.setValue(pos);
SFRotation rotationField = (SFRotation) (group.getField("rotation"));
rotationField.setValue(rotation);
SFVec3f scaleField = (SFVec3f) (group.getField("scale"));
scaleField.setValue(scale);
} else {
// create the transform group node
group = mainScene.createNode("Group");
}
// create the inline node
String url = worldURL + entity.getModelURL();
X3DNode inline = mainScene.createNode("Inline");
MFString urlField = (MFString) (inline.getField("url"));
urlField.setValue(1, new String[] {url});
// grab the child node to append to
MFNode childrenField = (MFNode) (group.getField("children"));
// add inline to the group/transform
childrenField.append(inline);
return group;
} catch (Exception ex) {
errorReporter.errorReport("Error.", ex);
}
return null;
}
