DtGeom3dLinesComponent.h

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/******************************************************************************
** Copyright (c) 2024 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvCore/vrvCore.h>
#include <vrvCore/Dt3dLinesStagingBuffer.h>
#include <vrvCore/DtGeom3dLinesSystem.h>
#include <vrvCore/DtModelSetEnums.h>

#include <vrvMath/DtVector4.h>

#include <matrix/vlVector.h>

#include <boost/bind/bind.hpp>
#include <map>
#include <vector>

namespace makVrv
{
   class DtGeom3dLinesSystem;
  
   class DT_DLL_VRVCORE DtGeom3dLinesComponent
   {
   public:

      friend class DtGeom3dLinesComponentCreator;

      friend class DtGeom3dLinesSystem;

      enum class CategoryFlags : unsigned int
      {
         CategoryFlagsTracks = 0x0001, // used for track histories
         CategoryFlagsRoutes = 0x0002, // used for routes
         CategoryFlagsAll = 0xFFFF,    // always active (default)
      };

      typedef int LineHandle;

      virtual ~DtGeom3dLinesComponent();

      DtGeom3dLinesComponent() = delete;

      DtGeom3dLinesComponent(
         const DtGeom3dLinesComponent& other) = delete;

      DtGeom3dLinesComponent(
         const DtGeom3dLinesComponent&& other) = delete;

      DtGeom3dLinesComponent &operator=(
         const DtGeom3dLinesComponent& other) = delete;

      DtGeom3dLinesComponent& operator=(
         const DtGeom3dLinesComponent&& other) = delete;

   protected:

      DtGeom3dLinesComponent(DtGeom3dLinesSystem& system, DtModelSetId modelSetId);

   public:

      virtual const DtModelSetId modelSetId() const;

      virtual void setCategoryFlags(DtGeom3dLinesComponent::CategoryFlags flags);

      virtual const DtGeom3dLinesComponent::CategoryFlags categoryFlags() const;

      virtual void clearLines();

      virtual void setOrigin(const DtVector& origin);

      virtual const DtVector& origin() const;

      virtual void setCurrentColor(float r, float g, float b, float a);

      virtual void setCurrentStartColor(float r, float g, float b, float a);

      virtual const DtVector4<float> currentStartColor() const;

      virtual void setCurrentEndColor(float r, float g, float b, float a);

      virtual const DtVector4<float> currentEndColor() const;

      virtual void populateHeightLines(const DtVector& pointA,
         const DtVector& pointB, float desiredSpacing);

      virtual void setLine(const DtVector& pointA,
         const DtVector& pointB, LineHandle handle);

      virtual void setHeightLineAtPoint(const DtVector& point,
         LineHandle handle);

      virtual const DtVector& lastPlacedHeightLinePoint() const;

      virtual void removeLine(LineHandle handle);

   protected:

      virtual double computeDownDistance(const DtVector& point) const;

      virtual void submitLines(Dt3dLinesStagingBuffer* buffer) const;

      void computeCullingSphere(DtVector3<double>& center, double& radiusSquared) const;

   protected:

      struct Line
      {
         Dt3dLinesStagingBuffer::LinePoint myPointA;
         Dt3dLinesStagingBuffer::LinePoint myPointB;
      };

      DtGeom3dLinesSystem& mySystem;
      DtModelSetId myModelSetId;
      std::vector<DtGeom3dLinesComponent::Line> myLines;
      std::map<LineHandle, DtGeom3dLinesComponent::Line> myHandleLines;
      DtVector myLastPlacedPoint;
      DtVector myDown;
      DtVector myOrigin;
      double myOriginAlt;
      float myStartColor[4];
      float myEndColor[4];
      DtVector3<double> myBoundsMin;
      DtVector3<double> myBoundsMax;
      bool myBoundsValid;
      DtGeom3dLinesComponent::CategoryFlags myCategoryFlags;
   };



   class DT_DLL_VRVCORE DtGeom3dLinesComponentCreator : public DtVirtualBaseClass
   {
   public:
      DtGeom3dLinesComponentCreator();

      virtual ~DtGeom3dLinesComponentCreator();

      DtGeom3dLinesComponentCreator(
         const DtGeom3dLinesComponentCreator& other) = delete;

      DtGeom3dLinesComponentCreator& operator=(
         const DtGeom3dLinesComponentCreator& other) = delete;

   public:
      virtual DtGeom3dLinesComponent* create(
         DtGeom3dLinesSystem& system, DtModelSetId modelSetId) const;

      static DtGeom3dLinesComponentCreator& instance(DtDe& de);

      static const std::string& theClassName();
   };
}