/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

You can contact Cyan Worlds, Inc. by email legal@cyan.com
 or by snail mail at:
      Cyan Worlds, Inc.
      14617 N Newport Hwy
      Mead, WA   99021

*==LICENSE==*/
//////////////////////////////////////////////////////////////////////////////
//                                                                          //
//  plDebugText and plDebugTextManager Headers                              //
//                                                                          //
//////////////////////////////////////////////////////////////////////////////

#ifndef _plDebugText_h
#define _plDebugText_h

#include "hsTypes.h"
#include "hsColorRGBA.h"
#include "hsTemplates.h"
#include "hsUtils.h"

//// plDebugText Class Definition ////////////////////////////////////////////

class plPipeline;
class plDebugTextManager;

class plDebugText
{
    private:

        static plDebugText  fInstance;

        plDebugText() 
        { 
            fManager = nil;
#ifdef PLASMA_EXTERNAL_RELEASE
            SetFont( "Trebuchet MS Bold", 8 );
#else
            SetFont( "Courier New", 8 );
#endif
            SetEnable( true );
            fLockEnable = false;
            fDrawOnTopMode = false;
        }

    protected:

        plDebugTextManager  *fManager;

        char            fFontFace[ 128 ];
        UInt16          fFontSize;
        hsBool          fEnabled, fLockEnable, fDrawOnTopMode;

    public:

        enum Styles
        {
            kStyleItalic = 0x01,
            kStyleBold = 0x02
        };

        ~plDebugText() { ; }
        
        static plDebugText  &Instance( void ) { return fInstance; }

        UInt32  CalcStringWidth( const char *string );

        void    DrawString( UInt16 x, UInt16 y, const char *string, UInt32 hexColor, UInt8 style = 0 );

        void    DrawString( UInt16 x, UInt16 y, const char *string, hsColorRGBA &color, UInt8 style = 0 )
        {
            UInt32  hex;
            UInt8   r, g, b, a;


            r = (UInt8)( color.r * 255.0 );
            g = (UInt8)( color.g * 255.0 );
            b = (UInt8)( color.b * 255.0 );
            a = (UInt8)( color.a * 255.0 );
            hex = ( a << 24 ) | ( r << 16 ) | ( g << 8 ) | ( b );

            DrawString( x, y, string, hex, style );
        }

        void    DrawString( UInt16 x, UInt16 y, const char *string, UInt8 r = 255, UInt8 g = 255, UInt8 b = 255, UInt8 a = 255, UInt8 style = 0 )
        {
            DrawString( x, y, string, (UInt32)( ( a << 24 ) | ( r << 16 ) | ( g << 8 ) | ( b ) ), style );
        }

        void    SetDrawOnTopMode( hsBool enable ) { fDrawOnTopMode = enable; }

        /// TEMPORARY FUNCTION (until we can find a better way to do this, one way or the other)
        void    DrawRect( UInt16 left, UInt16 top, UInt16 right, UInt16 bottom, UInt32 hexColor );

        /// TEMPORARY FUNCTION (until we can find a better way to do this, one way or the other)
        void    DrawRect( UInt16 left, UInt16 top, UInt16 right, UInt16 bottom, UInt8 r, UInt8 g, UInt8 b, UInt8 a = 255 )
        {
            DrawRect( left, top, right, bottom, (UInt32)( ( a << 24 ) | ( r << 16 ) | ( g << 8 ) | ( b ) ) );
        }

        /// EVEN MORE TEMPORARY FUNCTION (until we can find a better way to do this, one way or the other)
        void    Draw3DBorder( UInt16 left, UInt16 top, UInt16 right, UInt16 bottom, UInt32 hexColor1, UInt32 hexColor2 );

        void    SetManager( plDebugTextManager *m ) { fManager = m; }

        void            SetFont(const char *face, UInt16 size ) { hsStrncpy( fFontFace, face, sizeof( fFontFace ) ); fFontSize = size; }
        const char      *GetFontFace( void ) { return fFontFace; }
        const UInt16    GetFontSize( void ) { return fFontSize; }
        UInt16          GetFontHeight();
        
        void            SetEnable( hsBool on ) { fEnabled = on; }
        void            DisablePermanently( void ) { fEnabled = false; fLockEnable = true; }
        const hsBool    IsEnabled( void ) { return fEnabled; }

        void            GetScreenSize( UInt32 *width, UInt32 *height );
};

//// plDebugTextManager Class Definition /////////////////////////////////////

class plTextFont;

class   plDebugTextManager
{
    protected:

        struct plDebugTextNode
        {
            char    fText[ 256 ];
            UInt32  fColor, fDarkColor;
            UInt16  fX, fY, fRight, fBottom;    // Last 2 are for rects only
            UInt8   fStyle;                     // 0xff means rectangle, 0xfe means 3d border

            plDebugTextNode() { fText[ 0 ] = 0; fColor = 0; fX = fY = 0; fStyle = 0; }
            plDebugTextNode( const char *s, UInt32 c, UInt16 x, UInt16 y, UInt8 style ); 
            plDebugTextNode( UInt16 left, UInt16 top, UInt16 right, UInt16 bottom, UInt32 c ); 
            plDebugTextNode( UInt16 left, UInt16 top, UInt16 right, UInt16 bottom, UInt32 c1, UInt32 c2 );
            ~plDebugTextNode() {;}
        };

        hsTArray<plDebugTextNode>   fList;
        hsTArray<plDebugTextNode>   fDrawOnTopList;

        plTextFont                  *fFont;
        UInt32                      fSWidth, fSHeight;

    public:

        plDebugTextManager() { plDebugText::Instance().SetManager( this ); fFont = nil; }
        ~plDebugTextManager();

        void    AddString( UInt16 x, UInt16 y, const char *s, UInt32 hexColor, UInt8 style, hsBool drawOnTop = false );
        UInt32  CalcStringWidth( const char *string );

        /// TEMPORARY FUNCTION (until we can find a better way to do this, one way or the other)
        void    DrawRect( UInt16 left, UInt16 top, UInt16 right, UInt16 bottom, UInt32 hexColor, hsBool drawOnTop = false );

        /// EVEN MORE TEMPORARY FUNCTION (until we can find a better way to do this, one way or the other)
        void    Draw3DBorder( UInt16 left, UInt16 top, UInt16 right, UInt16 bottom, UInt32 hexColor1, UInt32 hexColor2, hsBool drawOnTop = false );

        void    DrawToDevice( plPipeline *pipe );

        void    GetScreenSize( UInt32 *width, UInt32 *height );

        UInt16  GetFontHeight();
};


#endif //_plDebugText_h