TerrainRayPicker.h

// Copyright eeGeo Ltd (2012-2014), All Rights Reserved

#pragma once

#include "Types.h"
#include "Terrain.h"
#include "Collision.h"
#include "IRayPicker.h"
#include "VectorMathDecl.h"

namespace Eegeo
{
    namespace Resources
    {
        namespace Terrain
        {
            namespace Collision
            {
                class TerrainRayPicker : public Eegeo::Collision::IRayPicker, protected Eegeo::NonCopyable
                {
                public:
                    TerrainRayPicker(const Eegeo::Resources::Terrain::Heights::TerrainHeightProvider& terrainHeightProvider,
                                     const Eegeo::Collision::ICollisionBvhProvider& collisionMeshResourceProvider);
                    
                    virtual ~TerrainRayPicker();
                    
                    virtual bool TryGetRayIntersection(const Eegeo::dv3& rayOrigin, const Eegeo::dv3& rayDirection, Eegeo::dv3& out_ecefIntersectionPoint, double& out_param);
                    
                private:
                    const Eegeo::Resources::Terrain::Heights::TerrainHeightProvider& m_terrainHeightProvider;
                    Eegeo::Collision::CollisionMeshRayPicker* m_collisionMeshRayPicker;
                };
                
                typedef Eegeo::Collision::ICollisionBvhProvider ICollisionMeshResourceProvider;
            }
        }
    }
}