stageJR.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_STAGEJR_H
#define M_STAGEJR_H




// N.Segs on the left and right side of the current one, that are rendered and animated
// TODO: this can be calculated based on the zoom
//
#define M_SEGMENT_RENDER_MARGIN 2
#define M_SEGMENT_ANIMATE_MARGIN    1

// Default camera properties
//
#define M_CAMERA_ROT_SPEED          50      // degrees/sec
#define M_CAMERA_ROT_MUL            0.8
#define M_CAMERA_DIRECTIONAL_ANGLE 25       // angle added in the facing dir
#define M_CAMERA_LIMIT              40      // max angle

class stageJR: public laStage
{
protected:

    // Game objects
    //
    JR_Objects *_pGame;

    // Track the player's current location
    //
    int           _nCrSeg;
    laSegment* _pCrSeg;
    laSegment* _pColFirstSeg, *_pDrawFirstSeg;
    laCollisionDomain* _pColFirstDomain;
    unsigned _nColDomains;

    double _dLeftInvisible;
    double _dTopInvisible;

    // Camera properties
    //
    double _dCamAngY, _dCamRotSpeed, _dCamRotMul, _dCamDirAngle, _dCamLimit;

    // GUI
    //
    uiDesktop   _uiDesktop;
    uiMenu_JR*  _pMenu;


    // Message handlers
    //
    virtual void onInit();
    virtual void onFini();
    virtual void onFrame(laRenderer *pr, laInputManager *pi, laTimer *pt);

    virtual void onActivate();
    virtual void onDeactivate();

    // Internal sub-routines
    //
    unsigned _update_segment();
    void _setup_3d_camera(laRenderer *pr, laTimer *pt);
    void _draw_level(laRenderer *pr, laTimer *pt);
    void _animate_Dynamics(laInputManager *pi, laTimer *pt);

    virtual void _init_gui() = 0;
    virtual void _draw_UI(laRenderer *pr, laTimer *pt) = 0;
    virtual void _animate(laInputManager *pi, laTimer *pt) = 0;

public:
    stageJR();
    ~stageJR(void);

    void setGameObjects(JR_Objects *pobj)
    {
        ASSERT(!_pGame, "Old game objects are present, memory not discarded?");
        _pGame = pobj;
        MLOG("New game objects provided");
    }

};
#endif