face/edge/vertex centering

config.cpp

@@ -8,6 +8,12 @@
 #include "hyper.h"
 namespace hr {
 
+#if HDR
+enum eCentering { face, edge, vertex };
+#endif
+
+EX eCentering centering;
+
 #if HDR
 struct supersaver {
   string name;
@@ -647,6 +653,8 @@ EX void initConfig() {
   addsaver(noshadow, "noshadow");
   addsaver(bright, "bright");
   addsaver(cblind, "cblind");
+  
+  addsaverenum(centering, "centering");
 
   callhooks(hooks_configfile);