/**
* Add a single texture node to the list of textures. Override this to add render-specific
* behavior, but remember to call this method.
*
* @param node The node to add
* @throws InvalidFieldValueException This is a bindable node shared
*/
protected void addTextureNode(VRMLNodeType node) throws InvalidFieldValueException {
if (node instanceof VRMLProtoInstance) {
VRMLNodeType impl = ((VRMLProtoInstance) node).getImplementationNode();
// Walk down the proto impl looking for the real node to check it
// is the right type.
while ((impl != null) && (impl instanceof VRMLProtoInstance))
impl = ((VRMLProtoInstance) impl).getImplementationNode();
if ((impl != null) && !(impl instanceof VRMLTextureNodeType))
throw new InvalidFieldValueException(TEXTURE_PROTO_MSG);
// NOTE:
// JC: This seems dodgy - particularly if we try to remove them. Should it
// be adding the impl or the outer node here? In other classes we still always
// add the outer to this array.
vfTexture.add(impl);
((VRMLTextureNodeType) node).addTextureListener(this);
} else {
if (!(node instanceof VRMLTextureNodeType))
throw new InvalidFieldValueException(TEXTURE_NODE_MSG);
vfTexture.add(node);
((VRMLTextureNodeType) node).addTextureListener(this);
}
// TODO: Need to update loaded field
}
/**
* Get a string for cacheing this object. Null means do not cache this texture.
*
* @param stage The stage number, 0 for all single stage textures.
* @return A string to use in lookups. Typically the url loaded.
*/
public String getCacheString(int stage) {
VRMLTextureNodeType tex = (VRMLTextureNodeType) vfTexture.get(stage);
if (tex == null) return null;
return tex.getCacheString(0);
}
/**
* 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();
int len = vfTexture.size();
VRMLTextureNodeType tex;
loaded = new boolean[len];
for (int i = 0; i < len; i++) {
tex = (VRMLTextureNodeType) vfTexture.get(i);
tex.setupFinished();
switch (tex.getTextureType()) {
case TextureConstants.TYPE_SINGLE_2D:
if (((VRMLTexture2DNodeType) tex).getImage() != null) loaded[i] = true;
break;
default:
System.out.println("Unhandled texture type in BaseMultiTexture");
}
}
inSetup = false;
}