engine: client: as an experiment, let users override default font rendermode through hud_fontrender and con_fontrender cvars

engine/client/cl_font.c

@@ -46,10 +46,35 @@ static int CL_LoadFontTexture( const char *fontname, uint texFlags, int *width )
 	return tex;
 }
 
-qboolean Con_LoadFixedWidthFont( const char *fontname, cl_font_t *font, float scale, int rendermode, uint texFlags )
+static int CL_FontRenderMode( convar_t *fontrender )
+{
+	switch((int)fontrender->value )
+	{
+	case 0:
+		return kRenderTransAdd;
+	case 1:
+		return kRenderTransAlpha;
+	case 2:
+		return kRenderTransTexture;
+	default:
+		Cvar_DirectSet( fontrender, fontrender->def_string );
+	}
+
+	return kRenderTransTexture;
+}
+
+void CL_SetFontRendermode( cl_font_t *font )
+{
+	ref.dllFuncs.GL_SetRenderMode( CL_FontRenderMode( font->rendermode ));
+}
+
+qboolean Con_LoadFixedWidthFont( const char *fontname, cl_font_t *font, float scale, convar_t *rendermode, uint texFlags )
 {
 	int font_width, i;
 
+	if( !rendermode )
+		return false;
+
 	if( font->valid )
 		return true; // already loaded
 
@@ -76,13 +101,16 @@ qboolean Con_LoadFixedWidthFont( const char *fontname, cl_font_t *font, float sc
 	return true;
 }
 
-qboolean Con_LoadVariableWidthFont( const char *fontname, cl_font_t *font, float scale, int rendermode, uint texFlags )
+qboolean Con_LoadVariableWidthFont( const char *fontname, cl_font_t *font, float scale, convar_t *rendermode, uint texFlags )
 {
 	fs_offset_t length;
 	qfont_t src;
 	byte *pfile;
 	int font_width, i;
 
+	if( !rendermode )
+		return false;
+
 	if( font->valid )
 		return true;
 
@@ -191,7 +219,7 @@ int CL_DrawCharacter( float x, float y, int number, rgba_t color, cl_font_t *fon
 		SPR_AdjustSize( &x, &y, &w, &h );
 
 	if( !FBitSet( flags, FONT_DRAW_NORENDERMODE ))
-		ref.dllFuncs.GL_SetRenderMode( font->rendermode );
+		CL_SetFontRendermode( font );
 
 	// don't apply color to fixed fonts it's already colored
 	if( font->type != FONT_FIXED || REF_GET_PARM( PARM_TEX_GLFORMAT, font->hFontTexture ) == 0x8045 ) // GL_LUMINANCE8_ALPHA8
@@ -214,7 +242,7 @@ int CL_DrawString( float x, float y, const char *s, rgba_t color, cl_font_t *fon
 		Con_UtfProcessChar( 0 ); // clear utf state
 
 	if( !FBitSet( flags, FONT_DRAW_NORENDERMODE ))
-		ref.dllFuncs.GL_SetRenderMode( font->rendermode );
+		CL_SetFontRendermode( font );
 
 	Vector4Copy( color, current_color );
 

engine/client/cl_game.c

@@ -474,8 +474,7 @@ void CL_DrawCenterPrint( void )
 	pText = clgame.centerPrint.message;
 
 	CL_DrawCharacterLen( font, 0, NULL, &charHeight );
-
-	ref.dllFuncs.GL_SetRenderMode( font->rendermode );
+	CL_SetFontRendermode( font );
 	for( i = 0; i < clgame.centerPrint.lines; i++ )
 	{
 		lineLength = 0;

engine/client/cl_main.c

@@ -61,6 +61,7 @@ CVAR_DEFINE_AUTO( cl_smoothtime, "0.1", FCVAR_ARCHIVE, "time to smooth up" );
 CVAR_DEFINE_AUTO( cl_clockreset, "0.1", FCVAR_ARCHIVE, "frametime delta maximum value before reset" );
 CVAR_DEFINE_AUTO( cl_fixtimerate, "7.5", FCVAR_ARCHIVE, "time in msec to client clock adjusting" );
 CVAR_DEFINE_AUTO( hud_fontscale, "1.0", FCVAR_ARCHIVE|FCVAR_LATCH, "scale hud font texture" );
+CVAR_DEFINE_AUTO( hud_fontrender, "0", FCVAR_ARCHIVE, "hud font render mode (0: additive, 1: holes, 2: trans)" );
 CVAR_DEFINE_AUTO( hud_scale, "0", FCVAR_ARCHIVE|FCVAR_LATCH, "scale hud at current resolution" );
 CVAR_DEFINE_AUTO( hud_scale_minimal_width, "640", FCVAR_ARCHIVE|FCVAR_LATCH, "if hud_scale results in a HUD virtual screen smaller than this value, it won't be applied" );
 CVAR_DEFINE_AUTO( cl_solid_players, "1", 0, "Make all players not solid (can't traceline them)" );
@@ -2926,6 +2927,7 @@ static void CL_InitLocal( void )
 	Cvar_RegisterVariable( &cl_clockreset );
 	Cvar_RegisterVariable( &cl_fixtimerate );
 	Cvar_RegisterVariable( &hud_fontscale );
+	Cvar_RegisterVariable( &hud_fontrender );
 	Cvar_RegisterVariable( &hud_scale );
 	Cvar_RegisterVariable( &hud_scale_minimal_width );
 	Cvar_Get( "cl_background", "0", FCVAR_READ_ONLY, "indicate what background map is running" );

engine/client/cl_netgraph.c

@@ -387,7 +387,7 @@ static void NetGraph_DrawTextFields( int x, int y, int w, wrect_t rect, int coun
 	// move rolling average
 	framerate = FRAMERATE_AVG_FRAC * host.frametime + ( 1.0f - FRAMERATE_AVG_FRAC ) * framerate;
 
-	ref.dllFuncs.GL_SetRenderMode( font->rendermode );
+	CL_SetFontRendermode( font );
 
 	if( framerate > 0.0f )
 	{

engine/client/cl_scrn.c

@@ -573,15 +573,15 @@ void SCR_LoadCreditsFont( void )
 			"creditsfont_%s.fnt", Cvar_VariableString( "con_charset" )) > 0 )
 		{
 			if( FS_FileExists( charsetFnt, false ))
-				success = Con_LoadVariableWidthFont( charsetFnt, font, scale, kRenderTransAdd, TF_FONT );
+				success = Con_LoadVariableWidthFont( charsetFnt, font, scale, &hud_fontrender, TF_FONT );
 		}
 	}
 
 	if( !success )
-		success = Con_LoadVariableWidthFont( "gfx/creditsfont.fnt", font, scale, kRenderTransAdd, TF_FONT );
+		success = Con_LoadVariableWidthFont( "gfx/creditsfont.fnt", font, scale, &hud_fontrender, TF_FONT );
 
 	if( !success )
-		success = Con_LoadFixedWidthFont( "gfx/conchars", font, scale, kRenderTransAdd, TF_FONT );
+		success = Con_LoadFixedWidthFont( "gfx/conchars", font, scale, &hud_fontrender, TF_FONT );
 
 	// copy font size for client.dll
 	if( success )

engine/client/client.h

@@ -342,7 +342,7 @@ typedef struct
 	byte     charWidths[256]; // scaled widths
 	int      charHeight;      // scaled height
 	int      type;            // fixed width font or variable
-	int      rendermode;      // default rendermode
+	convar_t *rendermode;     // user-defined default rendermode
 	qboolean	valid;           // all rectangles are valid
 } cl_font_t;
 
@@ -681,6 +681,7 @@ extern convar_t	cl_draw_beams;
 extern convar_t	cl_clockreset;
 extern convar_t	cl_fixtimerate;
 extern convar_t	hud_fontscale;
+extern convar_t hud_fontrender;
 extern convar_t	hud_scale;
 extern convar_t hud_scale_minimal_width;
 extern convar_t	r_showtextures;
@@ -798,9 +799,10 @@ void CL_FireEvents( void );
 // cl_font.c
 //
 qboolean CL_FixedFont( cl_font_t *font );
-qboolean Con_LoadFixedWidthFont( const char *fontname, cl_font_t *font, float scale, int rendermode, uint texFlags );
-qboolean Con_LoadVariableWidthFont( const char *fontname, cl_font_t *font, float scale, int rendermode, uint texFlags );
+qboolean Con_LoadFixedWidthFont( const char *fontname, cl_font_t *font, float scale, convar_t *rendermode, uint texFlags );
+qboolean Con_LoadVariableWidthFont( const char *fontname, cl_font_t *font, float scale, convar_t *rendermode, uint texFlags );
 void CL_FreeFont( cl_font_t *font );
+void CL_SetFontRendermode( cl_font_t *font );
 int CL_DrawCharacter( float x, float y, int number, rgba_t color, cl_font_t *font, int flags );
 int CL_DrawString( float x, float y, const char *s, rgba_t color, cl_font_t *font, int flags );
 void CL_DrawCharacterLen( cl_font_t *font, int number, int *width, int *height );

engine/client/console.c

@@ -25,6 +25,7 @@ GNU General Public License for more details.
 static CVAR_DEFINE_AUTO( scr_conspeed, "600", FCVAR_ARCHIVE, "console moving speed" );
 static CVAR_DEFINE_AUTO( con_notifytime, "3", FCVAR_ARCHIVE, "notify time to live" );
 CVAR_DEFINE_AUTO( con_fontsize, "1", FCVAR_ARCHIVE, "console font number (0, 1 or 2)" );
+static CVAR_DEFINE_AUTO( con_fontrender, "2", FCVAR_ARCHIVE, "console font render mode (0: additive, 1: holes, 2: trans)" );
 static CVAR_DEFINE_AUTO( con_charset, "cp1251", FCVAR_ARCHIVE, "console font charset (only cp1251 supported now)" );
 static CVAR_DEFINE_AUTO( con_fontscale, "1.0", FCVAR_ARCHIVE, "scale font texture" );
 static CVAR_DEFINE_AUTO( con_fontnum, "-1", FCVAR_ARCHIVE, "console font number (0, 1 or 2), -1 for autoselect" );
@@ -547,7 +548,7 @@ static void Con_LoadConsoleFont( int fontNumber, cl_font_t *font )
 
 	if( con_oldfont.value )
 	{
-		success = Con_LoadVariableWidthFont( "gfx/conchars.fnt", font, scale, kRenderTransTexture, TF_FONT|TF_NEAREST );
+		success = Con_LoadVariableWidthFont( "gfx/conchars.fnt", font, scale, &con_fontrender, TF_FONT|TF_NEAREST );
 	}
 	else
 	{
@@ -560,14 +561,14 @@ static void Con_LoadConsoleFont( int fontNumber, cl_font_t *font )
 			if( Q_snprintf( path, sizeof( path ),
 				"font%i_%s.fnt", fontNumber, Cvar_VariableString( "con_charset" )) > 0 )
 			{
-				success = Con_LoadVariableWidthFont( path, font, scale, kRenderTransTexture, TF_FONT|TF_NEAREST );
+				success = Con_LoadVariableWidthFont( path, font, scale, &con_fontrender, TF_FONT|TF_NEAREST );
 			}
 		}
 
 		if( !success )
 		{
 			Q_snprintf( path, sizeof( path ), "fonts/font%i", fontNumber );
-			success = Con_LoadVariableWidthFont( path, font, scale, kRenderTransTexture, TF_FONT|TF_NEAREST );
+			success = Con_LoadVariableWidthFont( path, font, scale, &con_fontrender, TF_FONT|TF_NEAREST );
 		}
 	}
 
@@ -575,7 +576,7 @@ static void Con_LoadConsoleFont( int fontNumber, cl_font_t *font )
 	{
 		// quake fixed font as fallback
 		// keep source to print directly into conback image
-		if( !Con_LoadFixedWidthFont( "gfx/conchars", font, scale, kRenderTransTexture, TF_FONT|TF_NEAREST|TF_KEEP_SOURCE ))
+		if( !Con_LoadFixedWidthFont( "gfx/conchars", font, scale, &con_fontrender, TF_FONT|TF_NEAREST|TF_KEEP_SOURCE ))
 			Con_DPrintf( S_ERROR "failed to load console font\n" );
 	}
 }
@@ -840,6 +841,7 @@ void Con_Init( void )
 	Cvar_RegisterVariable( &con_fontsize );
 	Cvar_RegisterVariable( &con_charset );
 	Cvar_RegisterVariable( &con_fontscale );
+	Cvar_RegisterVariable( &con_fontrender );
 	Cvar_RegisterVariable( &con_fontnum );
 	Cvar_RegisterVariable( &con_color );
 	Cvar_RegisterVariable( &scr_drawversion );