raMeshFile.h

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#pragma once

namespace raSystem
{
    struct RAPI RAMESH_HEADER
    {
        UINT NumVertices;
        UINT NumTriangles;
        UINT NumMaterials;
    };

    class RAPI raMeshFile : public raEntity<VERTEXPOSITIONNORMALTEXTURED>
    {
    public:
        raMeshFile(raDirectX *dx, LPCSTR FileName) : raEntity(dx, NULL, false, false, 0)
        {
            m_ModelFileName = FileName;
        }
        //~raMeshFile(void);

        virtual void Destroy() {};
        virtual bool CreateMesh(void);
        virtual bool DestroyMesh() { return true; };
        virtual void SetupVertices() {};

    private:
        LPCSTR          m_ModelFileName;
        BYTE*           m_pStaticMeshData;
    };

    class RAPI raSDKMesh : public raVisual
    { 
    public:
        raSDKMesh(raDirectX *dx, LPCSTR modelFileName,  
            LPCSTR effectFileName = "raEffects\\MyEngine.fx", 
            LPCSTR techniqueName = "RenderScene");
        
        raSDKMesh(raDirectX *dx, LPCSTR modelFileName,  raMaterial *pMaterial);


        virtual bool CreateMesh();  
        virtual bool DestroyMesh();
        virtual bool RenderMesh(LPCSTR techniqueName = ""); 


        virtual bool Intersects(
            CONST raVector3 *pRayPos,
            CONST raVector3 *pRayDir,
            float *pDist);

        const LPCSTR& GetModelFileName() const;  

        //IMesh Interface
        virtual ID3D11Buffer* GetVertexBuffer(){ return m_Mesh.GetVB11(0, 0);}
        virtual ID3D11Buffer* GetIndexBuffer() { return m_Mesh.GetIB11(0);}
        virtual UINT GetStrideSize() { return m_Mesh.GetVertexStride(0, 0);}
        virtual D3D11_PRIMITIVE_TOPOLOGY GetPrimitiveTopology(UINT n){ 
            return m_Mesh.GetPrimitiveType11(
                (SDKMESH_PRIMITIVE_TYPE)m_Mesh.GetSubset(0, n)->PrimitiveType);
        }

        virtual DXGI_FORMAT GetIndexBufferFormat()
        {
            return DXGI_FORMAT_R32_UINT;
        }

        virtual UINT GetNumSubsets(){ return m_Mesh.GetNumSubsets(0);}
        virtual SDKMESH_SUBSET* GetSubset(UINT n){ return m_Mesh.GetSubset(0, n);}

        virtual UINT GetNumMaterials(){ return 1; }
        virtual raMaterial* GetMaterial(UINT n){ return m_pMaterials[0]; }

    protected:
        LPCSTR          m_ModelFileName;
        CDXUTSDKMesh    m_Mesh;

        bool            m_bExternalMaterial;
    };
};