SoEnvironmentMap.h

/*==============================================================================
***   THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),    ***
***             AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT.                ***
***                                                                          ***
*** REPRODUCTION, DISCLOSURE,  OR USE,  IN WHOLE OR IN PART,  OTHER THAN AS  ***
*** SPECIFIED  IN THE LICENSE ARE  NOT TO BE  UNDERTAKEN  EXCEPT WITH PRIOR  ***
*** WRITTEN AUTHORIZATION OF FEI S.A.S.                                      ***
***                                                                          ***
***                       RESTRICTED RIGHTS LEGEND                           ***
*** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS ***
*** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN ***
*** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT ***
*** CLAUSE  AT FAR 52.227-19  OR SUBPARAGRAPH  (C)(1)(II)  OF  THE RIGHTS IN ***
*** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013.        ***
***                                                                          ***
***                  COPYRIGHT (C) 1996-2025 BY FEI S.A.S,                   ***
***                           MERIGNAC, FRANCE                               ***
***                         ALL RIGHTS RESERVED                              ***
==============================================================================*/
 
#pragma once
 
#include <Inventor/nodes/SoNode.h>
#include <Inventor/nodes/SoTextureCubeMap.h>
 
#include <Inventor/fields/SoSFBool.h>
#include <Inventor/fields/SoSFFloat.h>
#include <Inventor/fields/SoMFFilePathString.h>
#include <Inventor/fields/SoSFImage.h>
 
class SoGLRenderAction;
class SoShaderParameter1i;
class SoShaderParameterMatrix3;

class  SoEnvironmentMap : public SoNode
{
  SO_NODE_HEADER(SoEnvironmentMap);
 
public:

  SoMFFilePathString  filenames;

  SoSFImage imagePosX;

  SoSFImage imagePosY;

  SoSFImage imagePosZ;

  SoSFImage imageNegX;

  SoSFImage imageNegY;

  SoSFImage imageNegZ;

  SoSFFloat intensity;
 
  SoEnvironmentMap();

  void setOverride(const SbBool state) override
  {
    override.setValue(state);
  }

  SbBool isOverride() const override
  {
    return override.getValue();
  }
 
private:
  SoSFBool display;
  SoSFBool override;
 
private:
  void GLRender(SoGLRenderAction* action) override;
 
private:
  static void initClass();
  static void exitClass();
 
  void fieldHasChanged(SoField* field) override;
 
  SoTextureCubeMap* getTexture() const
  {
    return m_envMapTex.ptr();
  }
 
  static SbMatrix3 getMatrix(SoState* state);
 
private:
  virtual ~SoEnvironmentMap();
 
private:
  static void copySFImage(const SoSFImage& src, SoSFImage& dst);
  void setupInternalFormat();
 
  SoRef<SoTextureCubeMap> m_envMapTex;
  SoRef<SoNode> m_envMapDisplayScene;
  SoShaderParameter1i* m_isHDRParam;
  SoShaderParameterMatrix3* m_envMapMatrixParam;
};