MercuryMesh.h

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#ifndef MERCURYMESH_H
#define MERCURYMESH_H

#include "MercuryObject.h"
#include "MercuryVertex.h"

class MercuryDisplay;
class MercuryMeshManager;

struct MercuryMeshCore
{
    MercuryMeshCore();
    void CalculateVertexNormals();
    void ComputeBinormalsAndTangents();
    MVector< MercuryVertex > m_vertices;
    MVector< MercuryPoint > m_tangents;
    MVector< MercuryPoint > m_binormals;
    MVector< unsigned int > m_indices;
    unsigned char *         m_extras;

    MVPtr m_verticesVBO;
    MVPtr m_tangentVBO;
    MVPtr m_binormalVBO;
    MVPtr m_indicesVBO;
    MVPtr m_extrasVBO;

    bool m_useVBOs, m_VBOinited;

    bool m_bIsAnimated;
    DRAWTYPES m_drawType;

    int m_iMeshCount;
};

class MercuryMesh : public MercuryObject
{
    friend class MercuryDisplay;
    friend class MercuryMeshManager;
public:
    MercuryMesh();
    virtual ~MercuryMesh();
    virtual void Init();

    void CalculateVertexNormals() { core->CalculateVertexNormals(); }

    virtual void Draw();

    inline void SetNumVertices(unsigned int size) { core->m_vertices.resize(size); }
    inline MercuryVertex* GetVerticePtr() { return &core->m_vertices[0]; }
    inline const MercuryVertex* GetVerticePtr() const { return &core->m_vertices[0]; }
    inline unsigned int NumVertices() const { return core->m_vertices.size(); }
    inline void SetDrawType(DRAWTYPES type) { core->m_drawType = type; }
    inline DRAWTYPES GetDrawType() const { return core->m_drawType; }

    inline MercuryVertex* GetVertex(unsigned int x) { return &core->m_vertices[x]; }
    inline unsigned int* GetIndicesPtr() { return &core->m_indices[0]; }
    inline const unsigned int* GetIndicesPtr() const { return &core->m_indices[0]; }
    inline void SetNumIndices(unsigned int size) { core->m_indices.resize(size); }
    inline unsigned int NumIndices() const { return core->m_indices.size(); }
    inline void SetIndice(unsigned int position, unsigned int value) { core->m_indices[position] = value; }

    inline bool HasTangents() const { return core->m_tangents.size() > 0; }
    inline const MercuryPoint* GetTangentsPtr() const { return &core->m_tangents[0]; }
    inline bool HasBinormals() const { return core->m_binormals.size() > 0; }
    inline const MercuryPoint* GetBinormalsPtr() const { return &core->m_binormals[0]; }
    inline unsigned int NumTangents() const { return core->m_tangents.size(); }
    inline unsigned int NumBinormals() const { return core->m_binormals.size(); }

    inline MercuryVertex& operator[](unsigned int x) { return core->m_vertices[x]; }
    inline const MercuryVertex& operator[](unsigned int x) const { return core->m_vertices[x]; }

    inline void SetIsAnimated( bool bOn ) { core->m_bIsAnimated = bOn; }
    inline void ToggleUseVBOs( bool toggle) { core->m_useVBOs = toggle; }
    inline bool IsUseVBOs() const { return core->m_useVBOs; }
    inline bool IsVBOsInited() const { return core->m_VBOinited; }
    inline bool IsAnimated() { return core->m_bIsAnimated; }
    CLASS_RTTI( MercuryMesh, MercuryObject );

    void ComputeBinormalsAndTangents() { core->CalculateVertexNormals(); }

    inline void SetVerticesVBO(MVPtr vbo) { core->m_verticesVBO = vbo; }
    inline void SetTangentVBO(MVPtr vbo) { core->m_tangentVBO = vbo; }
    inline void SetBinormalVBO(MVPtr vbo) { core->m_binormalVBO = vbo; }
    inline void SetIndicesVBO(MVPtr vbo) { core->m_indicesVBO = vbo; }

    inline const MVPtr GetVerticesVBO() const { return core->m_verticesVBO; }
    inline const MVPtr GetTangentVBO() const { return core->m_tangentVBO; }
    inline const MVPtr GetBinormalVBO() const { return core->m_binormalVBO; }
    inline const MVPtr GetIndicesVBO() const { return core->m_indicesVBO; }
    MercuryMeshCore * GetCore() const{ return core; }

    void BuildVBO();
private:

    MercuryMeshCore * core;
};

class MercuryMeshManager
{
public:
    bool RegMesh( MercuryMesh * pOut, const MString & sName, bool bCanCache );

    void UnregMesh( MercuryMesh * pIn );
private:
    MHash< MercuryMeshCore * >  m_hAllMeshes;
};

extern MercuryMeshManager MESHMAN;

#endif

/* 
 * Copyright (c) 2006 Joshua Allen
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the following
 * conditions are met:
 *  -   Redistributions of source code must retain the above
 *      copyright notice, this list of conditions and the following disclaimer.
 *  -   Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in
 *      the documentation and/or other materials provided with the distribution.
 *  -   Neither the name of the Mercury Engine nor the names of its
 *      contributors may be used to endorse or promote products derived from
 *      this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

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