distance function generation from level data, first pass

[raydungeon] / src / game.c

diff --git a/src/game.c b/src/game.c
index f7306d6..f4a80e3 100644 (file)
--- a/src/game.c
+++ b/src/game.c
@@ -15,6 +15,7 @@ int fullscr;
 long time_msec;
 
 struct game_screen *cur_scr;
+char *start_scr_name;
 
 /* available screens */
 extern struct game_screen scr_menu, scr_game, scr_map, scr_lvled;
@@ -26,7 +27,7 @@ static int num_screens;
 int game_init(int argc, char **argv)
 {
        int i;
-       char *start_scr_name;
+       char *env;
 
        load_options(GAME_CFG_FILE);
        if(parse_options(argc, argv) == -1) {
@@ -44,7 +45,9 @@ int game_init(int argc, char **argv)
        screens[num_screens++] = &scr_map;
        screens[num_screens++] = &scr_lvled;
 
-       start_scr_name = getenv("START_SCREEN");
+       if((env = getenv("START_SCREEN"))) {
+               start_scr_name = env;
+       }
 
        for(i=0; i<num_screens; i++) {
                if(screens[i]->init() == -1) {