shaders/shaderscreen/orshaderscreen_shader.h

#ifndef __ORSHADER_SCREEN_H__
#define __ORSHADER_SCREEN_H__
/***************************************************************************************
 Autodesk(R) Open Reality(R) Samples
 
 (C) 2009 Autodesk, Inc. and/or its licensors
 All rights reserved.
 
 AUTODESK SOFTWARE LICENSE AGREEMENT
 Autodesk, Inc. licenses this Software to you only upon the condition that 
 you accept all of the terms contained in the Software License Agreement ("Agreement") 
 that is embedded in or that is delivered with this Software. By selecting 
 the "I ACCEPT" button at the end of the Agreement or by copying, installing, 
 uploading, accessing or using all or any portion of the Software you agree 
 to enter into the Agreement. A contract is then formed between Autodesk and 
 either you personally, if you acquire the Software for yourself, or the company 
 or other legal entity for which you are acquiring the software.
 
 AUTODESK, INC., MAKES NO WARRANTY, EITHER EXPRESS OR IMPLIED, INCLUDING BUT 
 NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR 
 PURPOSE REGARDING THESE MATERIALS, AND MAKES SUCH MATERIALS AVAILABLE SOLELY ON AN 
 "AS-IS" BASIS.
 
 IN NO EVENT SHALL AUTODESK, INC., BE LIABLE TO ANYONE FOR SPECIAL, COLLATERAL, 
 INCIDENTAL, OR CONSEQUENTIAL DAMAGES IN CONNECTION WITH OR ARISING OUT OF PURCHASE 
 OR USE OF THESE MATERIALS. THE SOLE AND EXCLUSIVE LIABILITY TO AUTODESK, INC., 
 REGARDLESS OF THE FORM OF ACTION, SHALL NOT EXCEED THE PURCHASE PRICE OF THE 
 MATERIALS DESCRIBED HEREIN.
 
 Autodesk, Inc., reserves the right to revise and improve its products as it sees fit.
 
 Autodesk and Open Reality are registered trademarks or trademarks of Autodesk, Inc., 
 in the U.S.A. and/or other countries. All other brand names, product names, or 
 trademarks belong to their respective holders. 
 
 GOVERNMENT USE
 Use, duplication, or disclosure by the U.S. Government is subject to restrictions as 
 set forth in FAR 12.212 (Commercial Computer Software-Restricted Rights) and 
 DFAR 227.7202 (Rights in Technical Data and Computer Software), as applicable. 
 Manufacturer is Autodesk, Inc., 10 Duke Street, Montreal, Quebec, Canada, H3C 2L7.
***************************************************************************************/

//--- SDK include
#include <fbsdk/fbsdk.h>

#ifndef ORSDK_DLL

    #define ORSDK_DLL K_DLLIMPORT
#endif

//--- Registration define
#define ORSHADERSCREEN__CLASSNAME   ORShaderScreen
#define ORSHADERSCREEN__CLASSSTR    "ORShaderScreen"
#define ORSHADERSCREEN__DESCSTR     "OR - Shader Screen"

class ORSDK_DLL ORShaderScreen : public FBShader
{
    //--- FiLMBOX declaration.
    FBShaderDeclare( ORShaderScreen, FBShader );

public:
    virtual bool FBCreate();        
    virtual void FBDestroy();       

  public:
    virtual FBShaderModelInfo* NewShaderModelInfo(HKModelRenderInfo pModelRenderInfo, int pSubRegionIndex);
    virtual void DestroyShaderModelInfo( FBRenderOptions* pOptions, FBShaderModelInfo* pInfo );
    virtual void ShadeModel( FBRenderOptions* pRenderOptions, FBShaderModelInfo* pShaderModelInfo, FBRenderingPass pPass );

    // FBX store/retrieve
    bool FbxStore   (FBFbxObject* pFbxObject);
    bool FbxRetrieve(FBFbxObject* pFbxObject, FBRenderer* pRenderer);

  public:
    // Tweak the parameters for the connectors
    void AnimateColor1      ( bool pState )     { mColor1.SetAnimated(pState);      }
    void AnimateColor2      ( bool pState )     { mColor2.SetAnimated(pState);      }
    void AnimateIntensity   ( bool pState )     { mIntensity.SetAnimated(pState);   }
    void KeyColor1          ()                  { mColor1.Key();                    }
    void KeyColor2          ()                  { mColor2.Key();                    }
    void KeyIntensity       ()                  { mIntensity.Key();                 }
    bool IsColor1Animated   ()                  { return mColor1.IsAnimated();      }
    bool IsColor2Animated   ()                  { return mColor2.IsAnimated();      }
    bool IsIntensityAnimated()                  { return mIntensity.IsAnimated();   }

  public:
    // Color operations
    enum ORColorOp
    {
        eMultiply,
        eAdd,
        eAverage,
        eSubtract1,
        eSubtract2,
        eColor1,
        eColor2,
        eColorOpCount
    };
    ORColorOp   GetColorOp()                    { return mColorOp;              }
    void        SetColorOp(ORColorOp pOp)       { mColorOp = pOp;               }
    const char* GetColorOpName(ORColorOp pOp)   { return ColorOpNames[pOp];     }

  private:
    static const char* ColorOpNames[eColorOpCount];

  public:
    // Query from UI
    void        SetColor1( FBColor pValue )     { mColor1 = pValue;     }
    FBColor     GetColor1()                     { return mColor1;       }
    void        SetColor2( FBColor pValue )     { mColor2 = pValue;     }
    FBColor     GetColor2()                     { return mColor2;       }
    void        SetIntensity(double pValue)     { mIntensity = pValue;  }
    double      GetIntensity()                  { return mIntensity;    }

  private:
    FBSystem                mSystem;
    ORColorOp               mColorOp;

    FBPropertyAnimatableColor   mColor1;            // Xfade color 1
    FBPropertyAnimatableColor   mColor2;            // Xfade color 2
    FBPropertyAnimatableDouble  mIntensity;         // Intensity.
};

#endif /* __ORSHADER_SCREEN_H__ */