r_textshadow is now a saved cvar

the r_textshadow shadow color is now 1-red-green-blue (basically meaning it is black except for black text where it is white)

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@6710 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/gl_draw.c b/gl_draw.c
index 217bf22d37525f0fa3bfdd76285f4eecf8551c90..9b13f17d079a691a41fa9135037177a7da5bcd43 100644 (file)
--- a/gl_draw.c
+++ b/gl_draw.c
@@ -24,7 +24,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #include "cl_video.h"
 
-cvar_t r_textshadow = {0, "r_textshadow", "0", "draws a shadow on all text to improve readability"};
+cvar_t r_textshadow = {CVAR_SAVE, "r_textshadow", "0", "draws a shadow on all text to improve readability"};
 
 static rtexture_t *char_texture;
 cachepic_t *r_crosshairs[NUMCROSSHAIRS+1];
@@ -646,8 +646,12 @@ void DrawQ_String_Real(float x, float y, const char *string, int maxlen, float w
 
 void DrawQ_String(float x, float y, const char *string, int maxlen, float scalex, float scaley, float red, float green, float blue, float alpha, int flags)
 {
-       if (r_textshadow.integer)
-               DrawQ_String_Real(x+scalex*0.25,y+scaley*0.25,string,maxlen,scalex,scaley,0,0,0,alpha*0.8,flags);
+       float shadow;
+       if (r_textshadow.integer) {
+               shadow = (1-((red+green+blue)));
+               shadow = bound(0, shadow, 1);
+               DrawQ_String_Real(x+scalex*0.25,y+scaley*0.25,string,maxlen,scalex,scaley,shadow,shadow,shadow,alpha*0.8,flags);
+       }
 
        DrawQ_String_Real(x,y,string,maxlen,scalex,scaley,red,green,blue,alpha,flags);
 }