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FlyingChars.h

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/***************************************************************************
                          FlyingChars.h  -  description
                             -------------------
    begin                : Mon Aug 12 2003
    copyright            : (C) 2003 by upi
    email                : upi@apocalypse.rulez.org
 ***************************************************************************/



#ifndef FLYINGCHARS_H
#define FLYINGCHARS_H


#include "sge_bm_text.h"
#include <vector>
#include <list>


class CFlyingChars
{

    struct SFlyingLetter
    {
        int m_iX, m_iY;
        int m_iSX, m_iSY;
        int m_iDX, m_iDY;
        int m_iDelay;
        int m_iTime;
        unsigned char m_cLetter;
    };

public:

    enum TextAlignmentEnum {
        FC_AlignLeft,
        FC_AlignRight,
        FC_AlignCenter,
        FC_AlignJustify,
    };

public:
    CFlyingChars( sge_bmpFont* a_poFont, const SDL_Rect& a_roRect, int a_iFontDisplacement = 0 );
    ~CFlyingChars();
    
    void AddText( const char* a_pcText, TextAlignmentEnum a_enAlignment, bool bOneByOne );
    
    void Advance( int a_iNumFrames );
    void Draw();
    bool IsDone();
    int GetCount();
    
protected:
    void AddNextLine();
    int GetCharWidth( unsigned char a_cChar );
    void DequeueText();

protected:

    struct SEnqueuedText
    {
        const char*             m_pcText;
        TextAlignmentEnum       m_enAlignment;
    };
    std::list<SEnqueuedText>    m_oEnqueuedTexts;
    bool                        m_bDone;

    bool                        m_bScrolling;
    double                      m_dScrollupRate;
    double                      m_dScrollup;

    typedef std::vector<SFlyingLetter>  CFlyingLetterList;
    typedef CFlyingLetterList::iterator CFlyingLetterIterator;

    sge_bmpFont*                m_poFont;
    int                         m_iFontDisplacement;
    CFlyingLetterList           m_oLetters;
    int                         m_iTimeToNextLine;

    SDL_Rect                    m_oRect;    
    const unsigned char*        m_pcText;
    TextAlignmentEnum           m_enAlignment;
    int                         m_iTextOffset;
    int                         m_iLastLineY;
    int                         m_iDelay;
};

#endif //  FLYINGCHARS_H

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