added minimum turn option, to discretize turns in VR

[laserbrain_demo] / src / opt.cc

diff --git a/src/opt.cc b/src/opt.cc
index b5ab7ed..15c61cc 100644 (file)
--- a/src/opt.cc
+++ b/src/opt.cc
@@ -12,7 +12,9 @@ Options def_opt = {
        false,  // fullscreen
        0,              // scene file
        true,   // music
-       true    // reflections
+       true,   // reflections
+       0,              // data url
+       0.0f    // minimum turn angle
 };
 
 enum {
@@ -23,6 +25,8 @@ enum {
        OPT_SCENEFILE,
        OPT_MUSIC,
        OPT_REFLECT,
+       OPT_DATAURL,
+       OPT_MIN_TURN,
        OPT_HELP
 };
 
@@ -35,6 +39,8 @@ static optcfg_option options[] = {
        {0, "scene", OPT_SCENEFILE, "scene file to open"},
        {'m', "music", OPT_MUSIC, "play background audio"},
        {'r', "reflect", OPT_REFLECT, "render reflections"},
+       {0, "url", OPT_DATAURL, "data URL"},
+       {0, "minturn", OPT_MIN_TURN, "minimum turn angle"},
        {'h', "help", OPT_HELP, "print usage and exit"},
        OPTCFG_OPTIONS_END
 };
@@ -109,6 +115,23 @@ static int opt_handler(optcfg *oc, int optid, void *cls)
                opt.reflect = is_enabled(oc);
                break;
 
+       case OPT_DATAURL:
+               opt.data_url = strdup(optcfg_next_value(oc));
+               break;
+
+       case OPT_MIN_TURN:
+               {
+                       int deg;
+                       char *valstr = optcfg_next_value(oc);
+
+                       if(!valstr || sscanf(valstr, "%d", &deg) != 1) {
+                               fprintf(stderr, "minimum turn must be a number >= 0 in degrees\n");
+                               return -1;
+                       }
+                       opt.min_turn = deg;
+               }
+               break;
+
        case OPT_HELP:
                printf("Usage: demo [options]\nOptions:\n");
                optcfg_print_options(oc);