/* -*-c++-*-
  * testbumpmap - testbumpmap (.h & .cpp) - Using 'The MIT License'
  * Copyright (C) 2006-2008, Alion Science and Technology Corporation
  *
  * 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.
  */
  ifndef DELTA_TEST_BUMPMAP
  define DELTA_TEST_BUMPMAP
  
  include <dtABC/application.h>
  include <dtABC/labelactor.h>
  include <dtCore/object.h>
  include <dtCore/shaderparamvec4.h>
  include <dtCore/shaderparamint.h>
  include <dtCore/orbitmotionmodel.h>
  
  
//////////////////////////////////////////////////////////////////////////


  
  class TestBumpMapApp : public dtABC::Application
  {
  public:
  
     TestBumpMapApp(const std::string& customObjectName, 
                    const std::string& configFilename = "config.xml",
                    bool usePrecomputedTangents = true);
  
  protected:
  
     virtual ~TestBumpMapApp(){}
  
  public:  
  
     void LoadGeometry(const std::string& customObjectName);
     void LoadTextures();
  
     virtual bool KeyPressed(const dtCore::Keyboard* keyboard, int key);
  
     virtual void PreFrame(const double deltaFrameTime);
  
  private:
  
     dtCore::RefPtr<dtCore::Object> mSphere;
     dtCore::RefPtr<dtCore::Object> mCustomObject;
     dtCore::RefPtr<dtCore::Object> mLightObject;
  
     float mPitchAngle;
     float mYawAngle;
     bool mUsePrecomputedTangents;
  
     osg::ref_ptr<osg::Texture2D> mDiffuseTexture;
     osg::ref_ptr<osg::Texture2D> mNormalTexture;
     osg::ref_ptr<osg::Texture2D> mSpecularTexture;
  
     dtCore::RefPtr<dtCore::ShaderParamInt>  mCustomShaderMode;
     dtCore::RefPtr<dtCore::ShaderParamInt>  mSphereShaderMode;
     dtCore::RefPtr<dtCore::ShaderParamVec4> mLightPosition;
     dtCore::RefPtr<dtCore::OrbitMotionModel> mOrbitMotion;
     dtCore::RefPtr<dtABC::LabelActor> mLabel;
  
     osg::Uniform* mRotationUniform;
  
     void GenerateTangentsForObject(dtCore::Object* object);
     void AssignShaderToObject(dtCore::Object* object, dtCore::ShaderParamInt*& outMode);
     void CenterCameraOnObject(dtCore::Object* object);
     void CreateHelpLabel();
     std::string CreateHelpLabelText();
  };
  
  endif // DELTA_TEST_BUMPMAP
  
  
//////////////////////////////////////////////////////////////////////////