laMultiKey.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_MULTIKEY_H
#define M_MULTIKEY_H




class laMultiKey{

    // Parameters
    KEY _key;
    double _dHitInterval;
    unsigned _nPressesRequired;

    M_BOOL _bExpectedFirstState;

    // Progress towards activaion
    M_BOOL _bNextDown;
    double _dInterval;
    unsigned _nPressed;

    // Activation flag
    M_BOOL _bActivated;

public:

    // Constructor
    laMultiKey();

    // Set multikey parameters
    void set(KEY key, double sec, unsigned n=2, M_BOOL first_down=M_TRUE);

    // Get parameters
    double getInterval() { return _dHitInterval; }
    unsigned getNPress() { return _nPressesRequired; }

    // Reset the internal state of the multikey
    void reset();

    // Check if activated
    M_BOOL isActivated() {  return _bActivated; }

    // Animate the multikey ( get input and update internal state)
    M_BOOL animate(laInputManager* pi, laTimer &t);

};
#endif