laStateObject.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_STATE_OBJECT_H
#define M_STATE_OBJECT_H




// Predefined states used by various derived classes
//
#define M_STATE_STAND       0
#define M_STATE_WALK        1
#define M_STATE_DIE     2

#define M_STATE_ATTACK      3

#define M_STATE_JUMP_U      4
#define M_STATE_JUMP_D      5
#define M_STATE_SOMERSAULT  6

#define M_STATE_QATTACK 7
#define M_STATE_BSTAND      8       // battle stance
#define M_STATE_BWALK       9


class laStateObject :
    public laObject
{
    //Can be constructed from class name
    CLASS_NAME(laStateObject);

protected:

    laAnimatedModel _animBlend; // current transitional animation
    laStaticModel _snapshot;        // snaptshot of the origin state animation

    double _dBlendTime;             // time to play the transition

    unsigned _nState;               // state flags
    //unsigned _nOldState;

    // This function determines state switches; Can be overloaded by laStateObject derivatives
    //
    virtual unsigned _next_state(unsigned nCurrentState );

public:
    // Constructor and destructor
    //
    laStateObject(void);
    ~laStateObject(void);

    // Respawn object
    //
    virtual void respawn();

    // Switch to a different state
    //
    void state(unsigned nState, double dBlendTime = 0.1);
    void setBlendTime(double t ) { _dBlendTime = t; }
    laAnimatedModel* getStateModel();

    // Get state info
    //
    unsigned getState() { return _nState; }
    //unsigned getOldState() { return _nOldState; }

    // Draw
    //
    virtual void _draw_positioned_rotated(laRenderer *r);
    virtual void drawFx(laRenderer *r, laPoint3 ptBasePos);

    // Animate
    //
    virtual void animate(laTimer &t);

    // This method is part of the laLoadableObj interface
    //
    virtual void  load(class laFileParser *fp);
    virtual void create();
};
#endif