aiMobState_Flyer.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.

*/



class aiMobState_Flyer :
    public aiMobState_Ramble
{
    //Can be constructed from class name
    CLASS_NAME(aiMobState_Flyer);

    double dY_Initial;

    double _ang;

    double _dFlutterRange;
    double _dSwayRange;
    double _dFSSpeed;

    M_BOOL _in_y_range(double distance);        // is the creature within given distance of the original Y

    M_BOOL _obstacle_infront();             // flyer-specific detectors
    M_BOOL _obstacle_below();
    M_BOOL _obstacle_above();

    laPoint3 _update_direction(laPoint3 dir);       // determine new movement dir
    laPoint3 _chase_player(laPoint3 dir);           // chase the player, or return form chase

    void _flutter();        // flutter and sway to simulate flight

public:
    aiMobState_Flyer(void);
    virtual ~aiMobState_Flyer(void);

    virtual void load(laFileParser *fp);

    // AI Percept Handlers
    //
    //virtual void perceive_InTerritory(unsigned state);
    virtual void perceive_InRange(unsigned state);

    virtual void perceive_active( std::string strID_Old );
    virtual void perceive_inactive( std::string strID_New );

    virtual void perceive(unsigned state, M_BOOL global, unsigned id, aiPerceptData data);
};