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Warning! This version of documentation is OUTDATED, as it describes an older SDK version! Please switch to the documentation for the latest SDK version.
Warning! This version of documentation describes an old SDK version which is no longer supported! Please upgrade to the latest SDK version.

Unigine::NodeExternBase Class

Header: #include <UnigineNodes.h>
Inherits from: Base
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NodeExternBase Class

Members


template <class Type>

static addClassID ( int class_id ) #

Registers the custom node class with a unique class ID.
Source code (C++)
// register the MyNode class
NodeExternBase::addClassID<MyNode>(1);

Arguments

  • int class_id - Unique class ID.

void copy ( NodeExternBase * node, int is_root ) #

Copies the current custom node into the given one.

Arguments

  • NodeExternBase * node - Pointer to a target node.
  • int is_root - Unique class ID.

BoundBox getBoundBox ( ) #

Returns the bounding box of the custom node.

Return value

The bounding box.

BoundSphere getBoundSphere ( ) #

Returns the bounding sphere of the custom node.

Return value

The bounding sphere.

int getClassID ( ) #

Returns a unique class ID.

Return value

Unique class ID.

Ptr<Node> getNode ( ) #

Returns the Node smart pointer.

Return value

Node smart pointer.

Ptr<NodeExtern> getNodeExtern ( ) #

Returns the NodeExtern instance that is created on loading the custom node.

Return value

NodeExtern smart pointer.

int loadWorld ( const Ptr<Xml> & xml ) #

Loads a node state from the Xml.

Arguments

  • const Ptr<Xml> & xml - Xml smart pointer.

Return value

Returns 1 if the node state was successfully loaded; otherwise, 0 is returned.

void renderHandler ( ) #

Renders the handler for the custom user-defined node.

void renderVisualizer ( ) #

Renders the visualizer for the custom user-defined node.
Notice
You should enable the engine visualizer by the show_visualizer 1 console command.

bool saveState ( const Ptr<Stream> & stream ) #

Saves a node state into the stream.

Saving into the stream requires creating a blob to save into. To restore the saved state the restoreState() method is used:

Source code (C++)
// initialize a node and set its state
//...//

// save state
BlobPtr blob_state = Blob::create();
node->saveState(blob_state);

// change state
//...//

// restore state
blob_state->seekSet(0);				// returning the carriage to the start of the blob
node->restoreState(blob_state);

Arguments

  • const Ptr<Stream> & stream - Stream smart pointer.

Return value

true on success; otherwise, false.

bool restoreState ( const Ptr<Stream> & stream ) #

Restores a node state from the stream.

Restoring from the stream requires creating a blob to save into and saving the state using the saveState() method:

Source code (C++)
// initialize a node and set its state
//...//

// save state
BlobPtr blob_state = Blob::create();
node->saveState(blob_state);

// change state
//...//

// restore state
blob_state->seekSet(0);				// returning the carriage to the start of the blob
node->restoreState(blob_state);

Arguments

  • const Ptr<Stream> & stream - Stream smart pointer.

Return value

true on success; otherwise, false.

int saveWorld ( const Ptr<Xml> & xml ) #

Saves a node state into the Xml.

Arguments

  • const Ptr<Xml> & xml - Xml smart pointer.

Return value

Returns 1 if the node state was successfully saved; otherwise, 0 is returned.

void swap ( NodeExternBase * node ) #

Swaps two custom nodes.

Arguments

  • NodeExternBase * node - Pointer to the custom node to swap.

void updateEnabled ( ) #

Updates enabled.

void updatePosition ( ) #

Updates a position of the custom node.

void updateTransform ( ) #

Updates transformation matrix of the custom node.
Last update: 2022-04-20
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