DtAddTerrainPatchLogic.h

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/******************************************************************************
** Copyright (c) 2018 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvCoreQt/vrvCoreQt.h>
#include <vrvCoreQt/DtAddTerrainPatchInterface.h>

#include <vrvCore/DtHeaderParser.h>
#include <vrvCore/DtDe.h>

#include <vrvUtil/DtSignalConnectionManager.h>

namespace makVrv
{
   class DT_DLL_VRVCOREQT DtAddTerrainPatchLogic
   {
   public:

      enum AlphaToCoverageState
      {
         USE_GLOBAL, // use the global setting
         FORCE_OFF, // force alpha to coverage off
         FORCE_ON //force alpha to coverage on for this model
      };

   public:

      DtAddTerrainPatchLogic(DtDe& de, DtAddTerrainPatchInterface* iFace);

      ~DtAddTerrainPatchLogic();

      void onTerrainPatchFileChosen(const std::string& filePath);

      bool processTerrainHeader(const std::string& filePath,
         DtAddTerrainPatchInterface::ErrorMessage& msg);

      void addTerrainPatch();

      bool terrainPatchLoadable();

   protected:

      void onCoordinateSystemChanged(const std::string& coordSystem);

      void onCoordinateSystemParamsChanged(const std::string& coordSystemParams);

      void onDdsFlipChanged(bool ddsFlip);

      void onAlphaToCoverageChanged(int state);

      void onIndirectEnabledChanged(bool indirectEnabled);

      int coordSysStrToEnum(const std::string& coordSys);

   protected:

      DtDe& myDe;
      DtAddTerrainPatchInterface* myInterface;
      std::string myTerrainPath;
      std::string myCoordinateSystem;
      std::string myCoordinateSystemParams;
      bool myDdsFlip;
      AlphaToCoverageState myAlphaToCoverageState;
      bool myIndirectEnabled;

      DtHeaderParser::TerrainPatchRecords myTerrainPatchRecords;
      DtSignalConnectionManager mySignals;
   };
}