Glenn Maynard
b13fe6e6b6
Remove operator== and != from POD types. Scope the disabled warning better.
362 lines
9.8 KiB
C++
362 lines
9.8 KiB
C++
#include "stdafx.h"
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/*
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-----------------------------------------------------------------------------
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File: BitmapText
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Desc: See header.
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Copyright (c) 2001-2002 by the person(s) listed below. All rights reserved.
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Chris Danford
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-----------------------------------------------------------------------------
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*/
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#include "BitmapText.h"
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#include "IniFile.h"
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#include "FontManager.h"
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#include "RageLog.h"
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#include "RageException.h"
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#include "RageTimer.h"
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#include "RageDisplay.h"
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#include "PrefsManager.h"
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#include "ThemeManager.h"
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#include "GameConstantsAndTypes.h"
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#define RAINBOW_COLOR_1 THEME->GetMetricC("BitmapText","RainbowColor1")
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#define RAINBOW_COLOR_2 THEME->GetMetricC("BitmapText","RainbowColor2")
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#define RAINBOW_COLOR_3 THEME->GetMetricC("BitmapText","RainbowColor3")
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#define RAINBOW_COLOR_4 THEME->GetMetricC("BitmapText","RainbowColor4")
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#define RAINBOW_COLOR_5 THEME->GetMetricC("BitmapText","RainbowColor5")
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#define RAINBOW_COLOR_6 THEME->GetMetricC("BitmapText","RainbowColor6")
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#define RAINBOW_COLOR_7 THEME->GetMetricC("BitmapText","RainbowColor7")
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const int NUM_RAINBOW_COLORS = 7;
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RageColor RAINBOW_COLORS[NUM_RAINBOW_COLORS];
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BitmapText::BitmapText()
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{
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// Loading these theme metrics is slow, so only do it ever 20th time.
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static int iReloadCounter = 0;
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if( iReloadCounter%20==0 )
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{
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RAINBOW_COLORS[0] = RAINBOW_COLOR_1;
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RAINBOW_COLORS[1] = RAINBOW_COLOR_2;
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RAINBOW_COLORS[2] = RAINBOW_COLOR_3;
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RAINBOW_COLORS[3] = RAINBOW_COLOR_4;
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RAINBOW_COLORS[4] = RAINBOW_COLOR_5;
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RAINBOW_COLORS[5] = RAINBOW_COLOR_6;
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RAINBOW_COLORS[6] = RAINBOW_COLOR_7;
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}
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iReloadCounter++;
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m_HorizAlign = align_center;
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m_VertAlign = align_middle;
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m_pFont = NULL;
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m_iNumLines = 0;
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m_iWidestLineWidth = 0;
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for( int i=0; i<MAX_TEXT_LINES; i++ )
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{
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m_szTextLines[i] = '\0';
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m_iLineLengths[i] = -1;
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m_iLineWidths[i] = 1;
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}
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m_bShadow = true;
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m_bRainbow = false;
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}
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BitmapText::~BitmapText()
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{
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if( m_pFont )
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FONT->UnloadFont( m_pFont->m_sTexturePath );
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}
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bool BitmapText::LoadFromFont( CString sFontFilePath )
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{
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LOG->Trace( "BitmapText::LoadFromFontName(%s)", sFontFilePath.GetString() );
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if( m_pFont ) {
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FONT->UnloadFont( m_pFont->m_sTexturePath );
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m_pFont = NULL;
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}
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// load font
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m_pFont = FONT->LoadFont( sFontFilePath );
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return true;
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}
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bool BitmapText::LoadFromTextureAndChars( CString sTexturePath, CString sChars )
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{
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LOG->Trace( "BitmapText::LoadFromTextureAndChars(%s)", sTexturePath.GetString() );
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if( m_pFont ) {
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FONT->UnloadFont( m_pFont->m_sTexturePath );
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m_pFont = NULL;
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}
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// load font
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m_pFont = FONT->LoadFont( sTexturePath, sChars );
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return true;
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}
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void BitmapText::SetText( CString sText )
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{
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//LOG->Trace( "BitmapText::SetText()" );
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ASSERT( m_pFont );
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if( m_pFont->m_bCapitalsOnly )
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sText.MakeUpper();
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//
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// save the string and crop if necessary
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//
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ASSERT( sText.GetLength() < MAX_TEXT_CHARS/2 );
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strncpy( m_szText, sText, MAX_TEXT_CHARS );
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m_szText[MAX_TEXT_CHARS-1] = '\0';
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/*
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Do NOT stop out all extended ASCII chars. Why was this here? -Chris
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int iLength = strlen( m_szText );
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//
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// strip out non-low ASCII chars
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//
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for( int i=0; i<iLength; i++ ) // for each character
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{
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if( m_szText[i] < 0 || m_szText[i] > MAX_FONT_CHARS-1 )
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m_szText[i] = ' ';
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}
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*/
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//
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// break the string into lines
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//
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m_iNumLines = 0;
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LPSTR token;
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/* Establish string and get the first token: */
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token = strtok( m_szText, "\n" );
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while( token != NULL )
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{
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m_szTextLines[m_iNumLines++] = token;
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token = strtok( NULL, "\n" );
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}
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//
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// calculate line lengths and widths
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//
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m_iWidestLineWidth = 0;
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for( int l=0; l<m_iNumLines; l++ ) // for each line
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{
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m_iLineLengths[l] = strlen( m_szTextLines[l] );
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m_iLineWidths[l] = m_pFont->GetLineWidthInSourcePixels( m_szTextLines[l], m_iLineLengths[l] );
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if( m_iLineWidths[l] > m_iWidestLineWidth )
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m_iWidestLineWidth = m_iLineWidths[l];
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}
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// fill the RageScreen's vertex buffer with what we're going to draw
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//RebuildVertexBuffer();
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}
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void BitmapText::CropToWidth( int iMaxWidthInSourcePixels )
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{
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iMaxWidthInSourcePixels = max( 0, iMaxWidthInSourcePixels );
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for( int l=0; l<m_iNumLines; l++ ) // for each line
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{
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while( m_iLineWidths[l] > iMaxWidthInSourcePixels )
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{
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m_iLineLengths[l]--;
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m_iLineWidths[l] = m_pFont->GetLineWidthInSourcePixels( m_szTextLines[l], m_iLineLengths[l] );
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}
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}
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}
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// draw text at x, y using colorTop blended down to colorBottom, with size multiplied by scale
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void BitmapText::DrawPrimitives()
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{
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// Offset so that pixels are aligned to texels
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// Offset by -0.5, -0.5 if 640x480
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// Offset by -1.0, -1.0 if 320x240
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DISPLAY->TranslateLocal(
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-0.5f*SCREEN_WIDTH/(float)PREFSMAN->m_iDisplayWidth,
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-0.5f*SCREEN_HEIGHT/(float)PREFSMAN->m_iDisplayHeight,
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0 );
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if( m_iNumLines == 0 )
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return;
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RageTexture* pTexture = m_pFont->m_pTexture;
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// make the object in logical units centered at the origin
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static RageVertex v[4000];
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int iNumV = 0; // the current vertex number
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const int iHeight = pTexture->GetSourceFrameHeight(); // height of a character
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const int iLineSpacing = m_pFont->m_iLineSpacing; // spacing between lines
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const int iFrameWidth = pTexture->GetSourceFrameWidth(); // width of a character frame in logical units
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int iY; // the center position of the first row of characters
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switch( m_VertAlign )
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{
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case align_bottom: iY = -(m_iNumLines) * iLineSpacing + iLineSpacing/2; break;
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case align_middle: iY = -(m_iNumLines-1) * iLineSpacing/2; break;
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case align_top: iY = + iLineSpacing/2; break;
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default: ASSERT( false ); return;
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}
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for( int i=0; i<m_iNumLines; i++ ) // foreach line
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{
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const char *szLine = m_szTextLines[i];
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const int iLineLength = m_iLineLengths[i];
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const int iLineWidth = m_iLineWidths[i];
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int iX;
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switch( m_HorizAlign )
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{
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case align_left: iX = 0; break;
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case align_center: iX = -(iLineWidth/2); break;
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case align_right: iX = -iLineWidth; break;
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default: ASSERT( false ); return;
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}
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for( int j=0; j<iLineLength; j++ ) // for each character in the line
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{
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const char c = szLine[j];
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const int iFrameNo = m_pFont->m_iCharToFrameNo[ (unsigned char)c ];
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if( iFrameNo == -1 ) // this font doesn't impelemnt this character
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throw RageException( "The font '%s' does not implement the character '%c'", m_sFontFilePath.GetString(), c );
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const int iCharWidth = m_pFont->m_iFrameNoToWidth[iFrameNo];
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// The right side of any italic letter is being cropped. So, we're going to draw a little bit
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// to the right of the normal character.
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const int iDrawExtraPixelsLeft = min( m_pFont->m_iDrawExtraPixelsLeft, (iFrameWidth-iCharWidth)/2 );
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const int iDrawExtraPixelsRight = min( m_pFont->m_iDrawExtraPixelsRight, (iFrameWidth-iCharWidth)/2 );
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//
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// set vertex positions
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//
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v[iNumV++].p = RageVector3( (float)iX-iDrawExtraPixelsLeft, iY-iHeight/2.0f, 0 ); // top left
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v[iNumV++].p = RageVector3( (float)iX-iDrawExtraPixelsLeft, iY+iHeight/2.0f, 0 ); // bottom left
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v[iNumV++].p = RageVector3( (float)iX-iDrawExtraPixelsLeft+iCharWidth+iDrawExtraPixelsRight, iY+iHeight/2.0f, 0 ); // bottom right
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v[iNumV++].p = RageVector3( (float)iX-iDrawExtraPixelsLeft+iCharWidth+iDrawExtraPixelsRight, iY-iHeight/2.0f, 0 ); // top right
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iX += iCharWidth;
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//
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// set texture coordinates
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//
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iNumV -= 4;
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RectF frectTexCoords = *pTexture->GetTextureCoordRect( iFrameNo );
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// Tweak the textures frame rectangles so we don't draw extra
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// to the left and right of the character, saving us fill rate.
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float fPixelsToChopOff = pTexture->GetSourceFrameWidth() - (float)iCharWidth;
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float fTexCoordsToChopOff = fPixelsToChopOff / pTexture->GetSourceWidth();
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frectTexCoords.left += fTexCoordsToChopOff/2;
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frectTexCoords.right -= fTexCoordsToChopOff/2;
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const float fExtraTexCoordsLeft = iDrawExtraPixelsLeft / (float)pTexture->GetSourceWidth();
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const float fExtraTexCoordsRight = iDrawExtraPixelsRight / (float)pTexture->GetSourceWidth();
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v[iNumV++].t = RageVector2( frectTexCoords.left - fExtraTexCoordsLeft, frectTexCoords.top ); // top left
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v[iNumV++].t = RageVector2( frectTexCoords.left - fExtraTexCoordsLeft, frectTexCoords.bottom ); // bottom left
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v[iNumV++].t = RageVector2( frectTexCoords.right + fExtraTexCoordsRight, frectTexCoords.bottom ); // bottom right
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v[iNumV++].t = RageVector2( frectTexCoords.right + fExtraTexCoordsRight, frectTexCoords.top ); // top right
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}
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iY += iLineSpacing;
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}
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DISPLAY->SetTexture( pTexture );
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DISPLAY->SetTextureModeModulate();
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if( m_bBlendAdd )
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DISPLAY->SetBlendModeAdd();
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else
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DISPLAY->SetBlendModeNormal();
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if( m_temp.diffuse[0].a != 0 )
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{
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//////////////////////
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// render the shadow
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//////////////////////
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if( m_bShadow )
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{
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DISPLAY->PushMatrix();
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DISPLAY->TranslateLocal( m_fShadowLength, m_fShadowLength, 0 ); // shift by 5 units
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RageColor dim(0,0,0,0.5f*m_temp.diffuse[0].a); // semi-transparent black
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int i;
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for( i=0; i<iNumV; i++ )
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v[i].c = dim;
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DISPLAY->DrawQuads( v, iNumV );
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DISPLAY->PopMatrix();
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}
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//////////////////////
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// render the diffuse pass
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//////////////////////
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if( m_bRainbow )
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{
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int color_index = int(TIMER->GetTimeSinceStart() / 0.200) % NUM_RAINBOW_COLORS;
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for( int i=0; i<iNumV; i+=4 )
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{
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const RageColor color = RAINBOW_COLORS[color_index];
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for( int j=i; j<i+4; j++ )
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v[j].c = color;
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color_index = (color_index+1)%NUM_RAINBOW_COLORS;
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}
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}
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else
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{
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for( int i=0; i<iNumV; i+=4 )
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{
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v[i+0].c = m_temp.diffuse[0]; // top left
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v[i+1].c = m_temp.diffuse[2]; // bottom left
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v[i+2].c = m_temp.diffuse[3]; // bottom right
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v[i+3].c = m_temp.diffuse[1]; // top right
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}
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}
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DISPLAY->DrawQuads( v, iNumV );
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}
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//////////////////////
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// render the glow pass
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//////////////////////
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if( m_temp.glow.a != 0 )
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{
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DISPLAY->SetTextureModeGlow();
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int i;
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for( i=0; i<iNumV; i++ )
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v[i].c = m_temp.glow;
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DISPLAY->DrawQuads( v, iNumV );
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}
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} |