fxMessages.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_FX_MESSAGES_H
#define M_FX_MESSAGES_H

// @class _laFxMessage
// @brief Single message, internally used by class fxMessages
class _laFxMessage
{
public:
    unsigned nx;
    char str[128];
    laColor rgbColor;
    double dSizeMultiplier;

    double dPassedTime;         // [0;ttl]
    M_BOOL bDelay;

    _laFxMessage(char* s, laColor rgb, double dsz=1, M_BOOL delay = M_FALSE)
    {
        nx = 1;
        strncpy(str, s, 127);
        rgbColor = rgb;
        dSizeMultiplier = dsz;

        dPassedTime = 0;
        bDelay = delay;
    }
};

class fxMessages
{
protected:
    std::vector<_laFxMessage> _vMessages;   // message vector

    double _dDisplacementDY;            // maximal displacement along Y
    double _dDispalcementTime;          // time to achieve maximal displacement

    class laFont* _pFont;           // font
    double _dFontSize;
    unsigned _nAlign;

    laTimeTrig _ttDelay;                // minimal delay between messages;

public:
    // Constructor
    fxMessages(){
        parameters(2.5*M_UNIT, 2, M_UNIT*0.15);
    }

    // Setup parameters
    void parameters(double dy, double ttl, double fontSz, laFont* pf=NULL, unsigned align = M_AC){
        _dDisplacementDY = dy;
        _dDispalcementTime = ttl;
        _dFontSize = fontSz;
        _nAlign = align;
        _pFont = pf;

        _ttDelay.parameters(ttl/6.0);
        _ttDelay.reset();
        _ttDelay.enable();
    }

    // Add a new message
    void add(double dSizeMultiplier, laColor rgb, char* str, ...);

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

    // Draw active messages at their current displacemnts
    void draw(laRenderer *r, laPoint3 pos);
};

#endif