// private methods
/// @brief private constructor
///
/// This is part of the singleton pattern, a protected constructor cannot be called externally (although
/// it can be inherited for extensions. In which case the extender should also replace the singleton!
private NIContext()
{
m_context = null;
m_depth = null;
m_scriptNode = null;
m_recordingPlayer = null;
}
private ProductionNode CreateProductionNodeObject(IntPtr nodeHandle, NodeType? type)
{
lock (this)
{
if (!this.allNodes.ContainsKey(nodeHandle))
{
if (type == null)
{
IntPtr pNodeInfo = SafeNativeMethods.xnGetNodeInfo(nodeHandle);
type = NodeInfo.FromNative(pNodeInfo).Description.Type;
}
ProductionNode node;
switch (type)
{
case NodeType.Device:
node = new Device(this, nodeHandle, true);
break;
case NodeType.Depth:
node = new DepthGenerator(this, nodeHandle, true);
break;
case NodeType.Image:
node = new ImageGenerator(this, nodeHandle, true);
break;
case NodeType.Audio:
node = new AudioGenerator(this, nodeHandle, true);
break;
case NodeType.IR:
node = new IRGenerator(this, nodeHandle, true);
break;
case NodeType.User:
node = new UserGenerator(this, nodeHandle, true);
break;
case NodeType.Recorder:
node = new Recorder(this, nodeHandle, true);
break;
case NodeType.Player:
node = new Player(this, nodeHandle, true);
break;
case NodeType.Gesture:
node = new GestureGenerator(this, nodeHandle, true);
break;
case NodeType.Scene:
node = new SceneAnalyzer(this, nodeHandle, true);
break;
case NodeType.Hands:
node = new HandsGenerator(this, nodeHandle, true);
break;
case NodeType.Codec:
node = new Codec(this, nodeHandle, true);
break;
case NodeType.ProductionNode:
node = new ProductionNode(this, nodeHandle, true);
break;
case NodeType.Generator:
node = new Generator(this, nodeHandle, true);
break;
case NodeType.MapGenerator:
node = new MapGenerator(this, nodeHandle, true);
break;
case NodeType.ScriptNode:
node = new ScriptNode(this, nodeHandle, true);
break;
default:
throw new NotImplementedException("C# wrapper: Unknown generator type!");
}
this.allNodes[nodeHandle] = node;
}
return this.allNodes[nodeHandle];
} // lock
}
public static Context CreateFromXmlFile(string xmlFile, out ScriptNode scriptNode)
{
IntPtr hScriptNode;
IntPtr pContext = InitFromXmlEx(xmlFile, out hScriptNode);
Context context = new Context(pContext, false);
scriptNode = new ScriptNode(context, hScriptNode, false);
return context;
}
private ProductionNode CreateProductionNodeObject(IntPtr nodeHandle, NodeType? type)
{
lock (this)
{
if (!this.allNodes.ContainsKey(nodeHandle))
{
if (type == null)
{
IntPtr pNodeInfo = SafeNativeMethods.xnGetNodeInfo(nodeHandle);
type = NodeInfo.FromNative(pNodeInfo).Description.Type;
}
ProductionNode node;
// start with concrete types
if (SafeNativeMethods.xnIsTypeDerivedFrom(type.Value, NodeType.Device))
{
node = new Device(this, nodeHandle, true);
}
else if (SafeNativeMethods.xnIsTypeDerivedFrom(type.Value, NodeType.Depth))
{
node = new DepthGenerator(this, nodeHandle, true);
}
else if (SafeNativeMethods.xnIsTypeDerivedFrom(type.Value, NodeType.Image))
{
node = new ImageGenerator(this, nodeHandle, true);
}
else if (SafeNativeMethods.xnIsTypeDerivedFrom(type.Value, NodeType.Audio))
{
node = new AudioGenerator(this, nodeHandle, true);
}
else if (SafeNativeMethods.xnIsTypeDerivedFrom(type.Value, NodeType.IR))
{
node = new IRGenerator(this, nodeHandle, true);
}
else if (SafeNativeMethods.xnIsTypeDerivedFrom(type.Value, NodeType.User))
{
node = new UserGenerator(this, nodeHandle, true);
}
else if (SafeNativeMethods.xnIsTypeDerivedFrom(type.Value, NodeType.Recorder))
{
node = new Recorder(this, nodeHandle, true);
}
else if (SafeNativeMethods.xnIsTypeDerivedFrom(type.Value, NodeType.Player))
{
node = new Player(this, nodeHandle, true);
}
else if (SafeNativeMethods.xnIsTypeDerivedFrom(type.Value, NodeType.Gesture))
{
node = new GestureGenerator(this, nodeHandle, true);
}
else if (SafeNativeMethods.xnIsTypeDerivedFrom(type.Value, NodeType.Scene))
{
node = new SceneAnalyzer(this, nodeHandle, true);
}
else if (SafeNativeMethods.xnIsTypeDerivedFrom(type.Value, NodeType.Hands))
{
node = new HandsGenerator(this, nodeHandle, true);
}
else if (SafeNativeMethods.xnIsTypeDerivedFrom(type.Value, NodeType.Codec))
{
node = new Codec(this, nodeHandle, true);
}
else if (SafeNativeMethods.xnIsTypeDerivedFrom(type.Value, NodeType.ScriptNode))
{
node = new ScriptNode(this, nodeHandle, true);
}
// move on to abstract types
else if (SafeNativeMethods.xnIsTypeDerivedFrom(type.Value, NodeType.MapGenerator))
{
node = new MapGenerator(this, nodeHandle, true);
}
else if (SafeNativeMethods.xnIsTypeDerivedFrom(type.Value, NodeType.Generator))
{
node = new Generator(this, nodeHandle, true);
}
else if (SafeNativeMethods.xnIsTypeDerivedFrom(type.Value, NodeType.ProductionNode))
{
node = new ProductionNode(this, nodeHandle, true);
}
else
{
throw new NotImplementedException("C# wrapper: Unknown generator type!");
}
this.allNodes[nodeHandle] = node;
}
return this.allNodes[nodeHandle];
} // lock
}
/// @brief Releases all elements from the context
///
/// This will make sure the context and relevant objects are released and changed to null.
/// @note Before this method is called, any node added using the @ref CreateNode method should
/// have the @ref ReleaseNode method called on it.
public override void Dispose()
{
bool wasRecording = false;
Log("Disposing of context!", NIEventLogger.Categories.Initialization, NIEventLogger.Sources.BaseObjects, NIEventLogger.VerboseLevel.Verbose);
if (m_recordingPlayer != null)
{
m_recordingPlayer.Dispose();
m_recordingPlayer = null;
wasRecording = true;
}
if(m_depth!=null)
{
ReleaseNode(m_depth);
m_depth = null;
}
if(m_scriptNode!=null)
{
m_scriptNode.Dispose();
m_scriptNode = null;
}
if(m_context!=null)
{
if (wasRecording == false)
{
m_context.StopGeneratingAll();
}
m_context.Dispose();
m_context = null;
}
}
private ProductionNode CreateProductionNodeObject(IntPtr nodeHandle, NodeType?type)
{
lock (this)
{
if (!this.allNodes.ContainsKey(nodeHandle))
{
if (type == null)
{
IntPtr pNodeInfo = SafeNativeMethods.xnGetNodeInfo(nodeHandle);
type = SafeNativeMethods.xnNodeInfoGetDescription(pNodeInfo).Type;
}
ProductionNode node;
switch (type)
{
case NodeType.Device:
node = new Device(this, nodeHandle, true);
break;
case NodeType.Depth:
node = new DepthGenerator(this, nodeHandle, true);
break;
case NodeType.Image:
node = new ImageGenerator(this, nodeHandle, true);
break;
case NodeType.Audio:
node = new AudioGenerator(this, nodeHandle, true);
break;
case NodeType.IR:
node = new IRGenerator(this, nodeHandle, true);
break;
case NodeType.User:
node = new UserGenerator(this, nodeHandle, true);
break;
case NodeType.Recorder:
node = new Recorder(this, nodeHandle, true);
break;
case NodeType.Player:
node = new Player(this, nodeHandle, true);
break;
case NodeType.Gesture:
node = new GestureGenerator(this, nodeHandle, true);
break;
case NodeType.Scene:
node = new SceneAnalyzer(this, nodeHandle, true);
break;
case NodeType.Hands:
node = new HandsGenerator(this, nodeHandle, true);
break;
case NodeType.Codec:
node = new Codec(this, nodeHandle, true);
break;
case NodeType.ProductionNode:
node = new ProductionNode(this, nodeHandle, true);
break;
case NodeType.Generator:
node = new Generator(this, nodeHandle, true);
break;
case NodeType.MapGenerator:
node = new MapGenerator(this, nodeHandle, true);
break;
case NodeType.ScriptNode:
node = new ScriptNode(this, nodeHandle, true);
break;
default:
throw new NotImplementedException("C# wrapper: Unknown generator type!");
}
this.allNodes[nodeHandle] = node;
}
return(this.allNodes[nodeHandle]);
} // lock
}