text: //
  // Copyright (c) 2008-2016 the Urho3D project.
  //
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files (the "Software"), to deal
  // in the Software without restriction, including without limitation the rights
  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  // copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions:
  //
  // The above copyright notice and this permission notice shall be included in
  // all copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  // THE SOFTWARE.
  //
  #pragma once
  #include <Urho3D/Core/Spline.h>
  
  #include "GraphNode.h"
  
  class TimeVarInput;
  class InputNode;
  class OutputNode;
  //=============================================================================
  //=============================================================================
  class TimeVarNode : public GraphNode
  {
      URHO3D_OBJECT(TimeVarNode, GraphNode);
  public:
      static void RegisterObject(Context* context);
  
      TimeVarNode(Context *context);
      virtual ~TimeVarNode();
  
      bool CreateTimeVarInput(const String &variableName, const IntVector2 &size);
      void SetScreenColor(const Color &color);
  
      TimeVarInput* GetTimeVarElement()  { return timeVarInput_; }
      OutputNode* GetOutputNodeElement() { return outputNode_;   }
  
      bool InitDataCurvePoints(const PODVector<Vector2> &points);
      void SetValueRange(float rmin, float rmax);
      void SetTimeRange(float mintime, float maxtime);
  
      void SetEnableCtrlButton(bool enable);
      bool ConnectToInput(InputNode *inputNode);
  
  protected:
      WeakPtr<TimeVarInput> timeVarInput_;
      WeakPtr<OutputNode>   outputNode_;
  };
  
  
  