laStaticModel.h

/*

Jump'n'Run Engine
http://www.atanaslaskov.com/jnr/

BSD LICENSE
Copyright (c) 2007-2013, Atanas Laskov
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. 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.
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 ATANAS LASKOV 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.

*/
#ifndef M_STATIC_MODEL_H
#define M_STATIC_MODEL_H




#define M_SNAP_RANGE (M_UNIT*0.05)
#define M_SNAP_RANGE_Z (M_UNIT*0.05)

class laStaticModel: public laModel /*, public laLoadableObj*/
{
protected:
    M_BOOL _bLightweightInstance;   // Object desn't own the vertex arrays, it only holds pointers

    laPoint3 *_arFlatVertex;
    laPoint3 *_arFlatNormal;
    laPoint2 *_arFlatTex;
    unsigned _nFlatVertex;

    inline void _draw_traingles(laRenderer *pr);
    inline void _bend(laPoint3 *arv, laPoint3 *arn);
    inline void _rotate(laPoint3 *arv, laPoint3 *arn);
    inline void _offset(laPoint3 *arv, laPoint3 *arn);

    void _cache_save(FILE* f);
    void _cache_load(FILE* f);

    friend class laStateObject;
    friend class laAnimatedModel;

public:
    laStaticModel(void);
    ~laStaticModel(void);

    // Instantiate
    // Note that this method desn't copy vertex data but shares it with another static model
    // This method is used by laAnimatedModel for blending animations without wasting memory
    //
    void instantiate(laStaticModel* pInstanceOf)    {
        _bLightweightInstance = M_TRUE;

        _arFlatVertex   = pInstanceOf->_arFlatVertex;
        _arFlatNormal   = pInstanceOf->_arFlatNormal;
        _arFlatTex      = pInstanceOf->_arFlatTex;

        _nFlatVertex    = pInstanceOf->_nFlatVertex;

        _nTex = pInstanceOf->_nTex;
        _bEmissive  = pInstanceOf->_bEmissive;
        _nShininess = pInstanceOf->_nShininess;
    }

    inline bool isLightweight() { return _bLightweightInstance; }

    virtual char* strTexture()          { return _strTex; };
    virtual unsigned vertexCount()      { return _nFlatVertex; };

    virtual laPoint3 boundaryMin();
    virtual laPoint3 boundaryMax();

    void create(unsigned nFaceCnt);
    virtual bool load(char* strFile);
    virtual void load(class laFileParser *fp, unsigned nf, unsigned nv, unsigned ntv);  // no cache load
    virtual void discard();

    virtual void buildCollisionData(class laCollisionDomain* pDomain, rpgTrap* pTrap=NULL);

    // Edit geometry
    // NOTE: These methods are slow and should be used only at loading time
    //
    virtual void edScale(laPoint3 sz);
    virtual void edTranslate(laPoint3 pos);
    virtual void edNormalize();
    virtual void edMinaxis();
    virtual void edMaxaxis();
    virtual void edCentralize();
    virtual void edSnap();
    virtual void edSortZ();

    // Draw
    //
    virtual void draw(laRenderer *pr);
    virtual void drawFx(laRenderer *pr) {};
};
#endif