500 lines
11 KiB
C++
500 lines
11 KiB
C++
/*=========================================================================
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font.cpp
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Author: PKG
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Created:
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Project:
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Purpose:
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Copyright (c) 2000
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===========================================================================*/
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/*----------------------------------------------------------------------
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Includes
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-------- */
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#ifndef __GFX_FONT_H__
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#include "font.h"
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#endif
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#ifndef __VID_HEADER_
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#include "system\vid.h"
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#endif
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#ifndef __PRIM_HEADER__
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#include "gfx\prim.h"
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#endif
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#ifndef __MATHTABLE_HEADER__
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#include "utils\mathtab.h"
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#endif
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#ifndef __LOCALE_TEXTDBASE_H__
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#include "locale\textdbase.h"
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#endif
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/* Std Lib
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------- */
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/* Local
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----- */
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/*----------------------------------------------------------------------
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Tyepdefs && Defines
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------------------- */
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/*----------------------------------------------------------------------
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Structure defintions
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-------------------- */
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/*----------------------------------------------------------------------
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Function Prototypes
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------------------- */
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/*----------------------------------------------------------------------
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Vars
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---- */
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int FontBank::s_wobbleValue=0;
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/*----------------------------------------------------------------------
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Data
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---- */
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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void FontBank::initialise( FontData *_fontData )
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{
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ASSERT( !m_initialised );
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m_fontData=_fontData;
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m_spriteBank.load( m_fontData->fontFileId );
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setOt( DEFAULT_OT );
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setColour( DEFAULT_R, DEFAULT_G, DEFAULT_B );
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setJustification( (Justification)DEFAULT_JUSTIFICATION );
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setPrintArea( 0,0, VidGetScrW(),VidGetScrH() );
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setTrans( 0 );
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setSMode( 0 );
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m_initialised=true;
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m_wobble=false;
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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void FontBank::dump()
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{
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m_spriteBank.dump();
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m_initialised=false;
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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void FontBank::print( int _x, int _y, s32 _textId )
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{
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print(_x,_y,(char*)TranslationDatabase::getString(_textId));
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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int wstep=50;
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int wspeed=100;
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int wscale=1000;
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void FontBank::print( int _x, int _y, const char *_text )
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{
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ASSERT( m_initialised );
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int Size;
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int StartX;
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int Length=0;
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int RectWidth;
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switch(m_justification)
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{
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case JUST_CENTRE:
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RectWidth=m_printArea.w;
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break;
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default:
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RectWidth=m_printArea.w-_x;
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break;
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}
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_x+=m_printArea.x;
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_y+=m_printArea.y;
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_y+=getCharHeight(); // origin at top left please...
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StartX=_x;
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while (*_text)
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{
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Length=getStrWrapLen(_text,RectWidth);
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switch (m_justification)
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{
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case JUST_LEFT:
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_x=StartX;
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break;
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case JUST_RIGHT:
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_x=StartX/*+RectWidth*/-Length;
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break;
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case JUST_CENTRE:
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_x=StartX-(Length/2);
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break;
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}
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int fy=_y;
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while(*_text && Length>0)
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{
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if(m_wobble)
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{
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fy=_y+(msin((s_wobbleValue+(_x*wstep))&4095)/wscale);
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}
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Size=printChar(*_text++,_x,fy)+getCharGapX();
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_x+=Size;
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Length-=Size;
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}
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_y+=(getCharHeight());
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if(*_text=='\n') _text++; // kill newline if there is one ( preserve multiple \n )
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while (*_text==' ') _text++; // kill trailing spaces
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}
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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void FontBank::setColour( u8 _r, u8 _g, u8 _b )
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{
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m_r = _r;
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m_g = _g;
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m_b = _b;
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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void FontBank::setJustification( Justification _justification )
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{
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m_justification = _justification;
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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void FontBank::setOt( u16 _ot )
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{
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m_ot = _ot;
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m_ot=0; // Sorry!!
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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void FontBank::setPrintArea( int _x, int _y, int _w, int _h )
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{
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m_printArea.x=_x;
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m_printArea.y=_y;
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m_printArea.w=_w;
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m_printArea.h=_h;
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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void FontBank::setTrans( int _trans )
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{
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m_trans=_trans;
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}
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void FontBank::setSMode( int _sMode )
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{
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m_sMode=_sMode;
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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int FontBank::getCharWidth( char _char )
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{
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int size;
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if( _char!=' ' )
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{
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if( m_fontData->fontTab[_char]==-1 ) _char=1; // Error - Chartacter does not eixst!
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size=m_spriteBank.getFrameWidth( m_fontData->fontTab[_char] );
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}
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else
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{
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size=m_fontData->spaceWidth;
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}
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return size;
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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int FontBank::getCharHeight()
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{
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return m_fontData->charHeight+getCharGapY();
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose: return height of a string when wrapped to print area
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Params:
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Returns:
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---------------------------------------------------------------------- */
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int FontBank::getStringHeight( const char *_text )
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{
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int length=0;
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int height=0;
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while (*_text)
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{
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length=getStrWrapLen(_text,m_printArea.w);
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while(*_text && length>0)
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{
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length-=getCharWidth(*_text++)+getCharGapX();
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}
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height+=(getCharHeight());
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if(*_text=='\n') _text++; // kill newline if there is one ( preserve multiple \n )
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while (*_text==' ') _text++; // kill trailing spaces
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}
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return height;
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}
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int FontBank::getStringHeight( s32 _textId )
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{
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return getStringHeight( TranslationDatabase::getString(_textId) );
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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int FontBank::getCharGapX()
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{
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return m_fontData->charGapX;
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}
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int FontBank::getCharGapY()
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{
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return m_fontData->charGapY;
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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int FontBank::printChar( char _char,int _x,int _y )
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{
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if (_char!=' ')
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{
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if( m_fontData->fontTab[_char]==-1 ) _char=1; // Error - Chartacter does not eixst!
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POLY_FT4 *Ft4=m_spriteBank.printFT4(m_fontData->fontTab[_char],_x,_y,0,0,m_ot);
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setRGB0(Ft4,m_r,m_g,m_b);
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setShadeTex(Ft4,0);
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Ft4->tpage |= ( m_sMode << 5 );
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setSemiTrans( Ft4,m_trans );
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setShadeTex( Ft4,0 );
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}
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return getCharWidth(_char);
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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int FontBank::getStringWidth( const char * text )
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{
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return getStrWrapLen( text, m_printArea.w );
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}
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int FontBank::getStringWidth( s32 _textId )
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{
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return getStringWidth( TranslationDatabase::getString(_textId) );
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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void FontBank::think(int _frames)
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{
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s_wobbleValue+=(_frames*wspeed)&4095;
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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int FontBank::getStrWrapLen( const char *_text,int _maxWidth )
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{
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int length=0,spaceW;
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char C;
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spaceW=length+1; // +1 to prevent infinite loop
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while (*_text && length<=_maxWidth)
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{
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C=*_text++;
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if (C=='\n') break;
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if (C==' ') spaceW=length;
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length+=getCharWidth(C)+getCharGapX();
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}
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if (length>_maxWidth) length=spaceW;
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return length;
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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void ScalableFontBank::initialise( FontData *_fontData )
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{
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FontBank::initialise(_fontData);
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setScale(256);
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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int ScalableFontBank::printChar( char _char,int _x,int _y )
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{
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if (_char!=' ')
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{
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sFrameHdr *fh;
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POLY_FT4 *Ft4;
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if( m_fontData->fontTab[_char]==-1 ) _char=1; // Error - Chartacter does not eixst!
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fh=m_spriteBank.getFrameHeader(m_fontData->fontTab[_char]);
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_x+=((fh->W*m_fontScale)>>9)-(fh->W/2);
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_y-=((fh->H*m_fontScale)>>9)-(fh->H/2);
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Ft4=m_spriteBank.printFT4Scaled(fh,_x,_y,0,0,m_ot,m_fontScale);
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setRGB0(Ft4,m_r,m_g,m_b);
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setShadeTex(Ft4,0);
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Ft4->tpage|=(m_sMode<<5);
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setSemiTrans(Ft4,m_trans);
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setShadeTex(Ft4,0);
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}
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return getCharWidth(_char);
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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int ScalableFontBank::getCharWidth( char _char )
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{
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return (FontBank::getCharWidth(_char)*m_fontScale)>>8;
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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int ScalableFontBank::getCharHeight()
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{
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return (FontBank::getCharHeight()*m_fontScale)>>8;
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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int ScalableFontBank::getCharGapX()
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{
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return (m_fontData->charGapX*m_fontScale)>>8;
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}
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int ScalableFontBank::getCharGapY()
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{
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return (m_fontData->charGapY*m_fontScale)>>8;
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}
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/*===========================================================================
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end */
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