/**
* Create a prop without adding it to the scene.
*
* @param propType which kind of prop to add (not null)
* @param relativeSize the prop's size relative to standard (>0)
* @return a new node to represent the prop, or null if the model is invalid
*/
private Node create(String propType, float relativeSize) {
assert propType != null;
assert relativeSize > 0f : relativeSize;
Node propNode = loadModel(propType);
Node modelNode = (Node) propNode.getChild(0);
List<Spatial> parts = modelNode.getChildren();
/*
* Texture each part of the prop and specify its hardness.
*/
for (Spatial part : parts) {
String partName = part.getName();
if (!(part instanceof Geometry)) {
logger.log(Level.SEVERE, "Prop part {0} is not a geometry.", MyString.quote(partName));
return null;
}
String materialName = material(partName);
SpatialProperties.setHardness(part, materialName);
Material material = Assets.loadBlockMaterial(materialName);
part.setMaterial(material);
}
/*
* Set the scale factor.
*/
float scaleFactor = scene.getScaleFactor();
float modelScale = relativeSize / scaleFactor;
propNode.setLocalScale(modelScale);
assert getRelativeSize(propNode) == relativeSize : relativeSize;
/*
* Set other properties.
*/
propNode.setShadowMode(RenderQueue.ShadowMode.CastAndReceive);
/*
* Give the prop a physics control.
*/
CollisionShape shape = createShape(propType, relativeSize, parts);
float mass = calculateMass(propType, relativeSize);
RigidBodyControl rigidBodyControl = new RigidBodyControl(shape, mass);
propNode.addControl(rigidBodyControl);
/*
* Configure the physics control.
*/
rigidBodyControl.setFriction(friction);
scene.getWorld().getPhysics().addObject(rigidBodyControl);
/*
* Give the prop a PickedControl.
*/
SpatialProperties.setPickType(propNode, pickType);
PickedControl pickedControl = new PickedControl();
propNode.addControl(pickedControl);
return propNode;
}
/**
* Create a prop, add it to the scene with its base at the insertion point, and pick it. Assumes
* that the application is in world-building mode.
*
* @param propType which kind of prop to add (not null)
* @param relativeSize the prop's size relative to standard (>0)
*/
private void addAsPick(String propType, float relativeSize) {
assert propType != null;
assert relativeSize > 0f : relativeSize;
/*
* Create the prop.
*/
Node node = create(propType, relativeSize);
/*
* The new prop is to be the ONLY picked spatial, so unpick the rest.
*/
PickablesNode pickables = scene.getWorld().getPickables();
pickables.clearPick();
/*
* Add and pick the prop.
*/
pickables.add(node);
SpatialProperties.setPicked(node, true);
/*
* Initialize the prop's position.
*/
Cursor3DIndicator cursor3D = scene.getIndicators().getCursor3D();
Vector3f baseLocation = cursor3D.getWorldLocation();
float baseY = MySpatial.getMinY(node);
Vector3f centerLocation = baseLocation.add(0f, -baseY, 0f);
MySpatial.setWorldLocation(node, centerLocation);
}
/**
* Duplicate a prop. Duplicating differs from cloning because the duplicate gets a unique name and
* any descendants of the duplicate get renamed to match. Besides, cloning doesn't work well on
* physics controls.
*
* @param originalProp which prop to duplicate (not null)
* @return the new prop
*/
public Node duplicate(Spatial originalProp) {
String name = originalProp.getName();
logger.log(Level.INFO, "duplicating prop {0}", MyString.quote(name));
String propType = SpatialProperties.getPrefixType(originalProp);
float relativeSize = originalProp.getWorldScale().x;
Vector3f centerLocation = MySpatial.getWorldLocation(originalProp);
Quaternion orientation = MySpatial.getWorldOrientation(originalProp);
Node result = add(propType, relativeSize, centerLocation, orientation);
return result;
}