/home/master/UCL/VisualizationLibrary/src/vlGraphics/Rendering.hpp

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/*  Visualization Library                                                             */
/*  http://visualizationlibrary.org                                                   */
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/*  Copyright (c) 2005-2010, Michele Bosi                                             */
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#ifndef Rendering_INCLUDE_ONCE
#define Rendering_INCLUDE_ONCE

#include <vlGraphics/RenderingAbstract.hpp>
#include <vlGraphics/RenderQueueSorter.hpp>
#include <vlGraphics/Actor.hpp>
#include <vlGraphics/RenderQueue.hpp>
#include <vlGraphics/Renderer.hpp>
#include <vlGraphics/Framebuffer.hpp>
#include <vlGraphics/Camera.hpp>
#include <vlGraphics/SceneManager.hpp>
#include <vlCore/Transform.hpp>
#include <vlCore/Collection.hpp>

namespace vl
{
  class VLGRAPHICS_EXPORT Rendering: public RenderingAbstract
  {
    VL_INSTRUMENT_CLASS(vl::Rendering, RenderingAbstract)

  public:
    Rendering();
    
    Rendering(const Rendering& other): RenderingAbstract(other) { *this = other; } 
    
    Rendering& operator=(const Rendering& other);

    virtual void render();

    void setRenderQueueSorter(RenderQueueSorter* render_queue_sorter) { mRenderQueueSorter = render_queue_sorter; }
    
    RenderQueueSorter* renderQueueSorter() { return mRenderQueueSorter.get(); }

    const std::vector< ref<Renderer> >& renderers() const { return mRenderers; }

    std::vector< ref<Renderer> >& renderers() { return mRenderers; }

    void setRenderer(Renderer* renderer) 
    {
      renderers().clear();
      renderers().push_back(renderer);
    }

    const Renderer* renderer() const
    {
      if (renderers().empty())
        return NULL;
      else
        return renderers()[0].get();
    }

    Renderer* renderer()
    {
      if (renderers().empty())
        return NULL;
      else
        return renderers()[0].get();
    }

    void setCamera(Camera* camera) { mCamera = camera; }
    
    const Camera* camera() const { return mCamera.get(); }
    
    Camera* camera() { return mCamera.get(); }

    Collection<SceneManager>* sceneManagers() { return mSceneManagers.get(); }
    
    const Collection<SceneManager>* sceneManagers() const { return mSceneManagers.get(); }

    void setTransform(Transform* transform) { mTransform = transform; }
    
    const Transform* transform() const { return mTransform.get(); }
    
    Transform* transform() { return mTransform.get(); }

    void setEvaluateLOD(bool evaluate_lod) { mEvaluateLOD = evaluate_lod; }

    bool evaluateLOD() const { return mEvaluateLOD; }

    void setShaderAnimationEnabled(bool animate_shaders) { mShaderAnimationEnabled = animate_shaders; }

    bool shaderAnimationEnabled() const { return mShaderAnimationEnabled; }

    void setCullingEnabled(bool enabled) { mCullingEnabled = enabled; }
    
    bool cullingEnabled() const { return mCullingEnabled; }

    void setAutomaticResourceInit(bool enable) { mAutomaticResourceInit = enable; }
    
    bool automaticResourceInit() const { return mAutomaticResourceInit; }

    bool nearFarClippingPlanesOptimized() const { return mNearFarClippingPlanesOptimized; }
    
    void setNearFarClippingPlanesOptimized(bool enabled) { mNearFarClippingPlanesOptimized = enabled; }

    const std::map<unsigned int, ref<Effect> >& effectOverrideMask() const { return mEffectOverrideMask; }

    std::map<unsigned int, ref<Effect> >& effectOverrideMask() { return mEffectOverrideMask; }

  protected:
    // mic fixme: it would be nice to have a mechanism to request the visible actors at will and to 
    // compile and save the render-queue for later renderings to be reused without recomputing the culling.
    // The user could be able to install actor-list or render-queue and use the flags READ|WRITE|TERMINATE
    // to define wether the list should be used for reading, filled, cleaned up after rendering.
    void fillRenderQueue( ActorCollection* actor_list );
    RenderQueue* renderQueue() { return mRenderQueue.get(); }
    ActorCollection* actorQueue() { return mActorQueue.get(); }

  protected:
    ref<RenderQueueSorter> mRenderQueueSorter;
    ref<ActorCollection> mActorQueue;
    ref<RenderQueue> mRenderQueue;
    std::vector< ref<Renderer> > mRenderers;
    ref<Camera> mCamera;
    ref<Transform> mTransform;
    ref<Collection<SceneManager> > mSceneManagers;
    std::map<unsigned int, ref<Effect> > mEffectOverrideMask;

    bool mAutomaticResourceInit;
    bool mCullingEnabled;
    bool mEvaluateLOD;
    bool mShaderAnimationEnabled;
    bool mNearFarClippingPlanesOptimized;
  };
}

#endif