F:/My Projects/LSEngine/Modules/LSEngine/Src/Models/LSEDrawableModelInstance.h

#ifndef __LSE_DRAWABLEMODELINSTANCE_H__
#define __LSE_DRAWABLEMODELINSTANCE_H__

#include "../LSEEngine.h"
#include "BoundingBoxes/LSPCappedKDop.h"
#include "Intersections/LSPTest.h"
#include "LSEDrawableMeshInstance.h"
#include "LSEModelInstance.h"

namespace lse {

        class CDrawableModelInstance : public CModelInstance {
        public :
                // == Various constructors.
                LSE_CALLCTOR                                                    CDrawableModelInstance();
                virtual LSE_CALLCTOR                                    ~CDrawableModelInstance();


                // == Types.
                typedef CVectorPoD<CDrawableMeshInstance *, LSUINT32, 1024UL>
                                                                                                CDrawableMeshInstanceArray;


                // == Functions.
                virtual LSUINT32 LSE_CALL                               ModelType() const;

                virtual LSUINT32 LSE_CALL                               EntityType() const;

                LSBOOL LSE_CALL                                                 AddMeshInFrustum( const CFrustum &_fFrustum, CDrawableMeshInstanceArray &_miaArray );

                template <unsigned _uMax>
                LSBOOL LSE_CALL                                                 AddMeshInKDop( const CCappedKDop<_uMax> &_ckdKDop, CDrawableMeshInstanceArray &_miaArray );
                
                LSVOID LSE_CALL                                                 SetCastsShadow( LSBOOL _bValue );

                LSVOID LSE_CALL                                                 SetVertexLighting( LSBOOL _bValue );

                LSVOID LSE_CALL                                                 SetCellShading( LSBOOL _bValue );

                LSVOID LSE_CALL                                                 SetCookTorranceShading( LSBOOL _bValue );

                LSVOID LSE_CALL                                                 DebugRender();


                // == Members.
                static CModelManager<CDrawableSharedModelPtr>
                                                                                                m_mmDrawableModelMan;


        protected :
                // == Members.


                // == Functions.
                virtual CSharedModelPtr LSE_CALL                GetModel( const LSCHAR * _pcPath ) const;

                virtual CMeshInstance * LSE_CALL                CreateMesh() const;

                virtual LSBOOL LSE_CALL                                 LoadFinished();


        private :
                typedef CModelInstance                                  Parent;
        };


        // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
        // DEFINITIONS
        // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
        // == Types.
        typedef CSharedPtr<CDrawableModelInstance>      CDrawableModelInstancePtr;

        // == Functions.
        template <unsigned _uMax>
        LSBOOL LSE_CALL CDrawableModelInstance::AddMeshInKDop( const CCappedKDop<_uMax> &_ckdKDop, CDrawableMeshInstanceArray &_miaArray ) {
                if ( !m_mlMeshes.Length() ) { return false; }
                // Firstly, test ourselves for being in the frustum.
                LSBOOL bFully;
                if ( !CTest::AabbKDop( Aabb(), _ckdKDop, bFully ) ) { return false; }

                // We are partially or fully inside the frustum.  If fully, add all meshes without testing boxes.
                if ( bFully ) {
                        bFully = false;
                        for ( LSUINT32 I = m_mlMeshes.Length(); I--; ) {
                                if ( reinterpret_cast<CDrawableMeshInstance *>(m_mlMeshes[I])->CastsShadow() ) {
                                        bFully = true;
                                        _miaArray.Push( reinterpret_cast<CDrawableMeshInstance *>(m_mlMeshes[I]) );
                                }
                        }
                }
                else {
                        // Let's change the meaning of bFully.  Now it will be set to true if we add anything.
                        for ( LSUINT32 I = m_mlMeshes.Length(); I--; ) {
                                if ( reinterpret_cast<CDrawableMeshInstance *>(m_mlMeshes[I])->CastsShadow() ) {
                                        if ( CTest::AabbKDop( m_mlMeshes[I]->Aabb(), _ckdKDop ) ) {
                                                bFully = true;
                                                _miaArray.Push( reinterpret_cast<CDrawableMeshInstance *>(m_mlMeshes[I]) );
                                        }
                                }
                        }
                }
                return bFully;
        }

}       // namespace lse

#endif  // __LSE_DRAWABLEMODELINSTANCE_H__