bump version to 0.5.8

[vor.git] / args.c

diff --git a/args.c b/args.c
index 5ee9c35..81a9b16 100644 (file)
--- a/args.c
+++ b/args.c
@@ -1,68 +1,104 @@
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
 #include "args.h"
-#include "config.h"
+#include <config.h>
+#include "vorconfig.h"
 
+// Look and Feel
 int opt_fullscreen;
-int opt_music;
 int opt_sound;
-float opt_bounciness;
-float opt_gamespeed;
-int opt_tail_engine;
-int opt_friction;
 
-error_t parse_opt(int, char*, struct argp_state *);
+int opt_autopilot;
 
-const char *argp_program_version = "Variations on Rockdodger " VERSION;
-const char *argp_program_bug_address = "<josh@qualdan.com>";
-static char doc[] = "Dodge the rocks until you die.";
-static struct argp_option opts[] = {
-       {0, 0, 0, 0, "Gameplay Variations:"},
-       {"bounciness", 'b', "N%", 0, "keep N% of speed when hitting edges (default 50%)"},
-       {"game-speed", 'g', "N%", 0, "50-100% (default 100%)"},
-       {"bad-physics", 'p', 0, 0, "bad physics (i.e. friction)"},
-       {0, 0, 0, 0, "Look and Feel:"},
-       {"engine", 'e', 0, 0, "Display large tail plume"},
-       {"full-screen", 'f', 0, 0, ""},
-       {"music", 'm', 0, 0, "Enable music"},
-       {"silent", 's', 0, 0, "Turn off explosion sounds"},
-       {0, 0, 0, 0, "Informational:", -1},
-       {0}
-};
+static void
+show_help(void)
+{
+       puts("Dodge the rocks until you die.");
+       putchar('\n');
+       puts("  -f, --full-screen");
+       puts("  -s, --silent               No explosion sounds or music");
+       puts("  -V, --version              Print program version");
+       puts("  -?, --help                 Give this help list");
+       putchar('\n');
+       puts("Report bugs at https://jasonwoof.com/contact");
+}
+
+int
+short_opt(char c, char *arg)
+{
+       switch(c) {
+               case 'f': opt_fullscreen = 1; break;
+               case 's': opt_sound = 0; break;
+               case 'V':
+                                 printf("Variations on Rockdodger %s\n", PACKAGE_VERSION);
+                                 exit(0);
+               case '?':
+               case 'h': return 0;
+               case 'a': opt_autopilot = 1; break;
+               default: 
+                                 fprintf(stderr, "unknown option -%c\n\n", c);
+                                 return 0;
+       }
+       return 1;
+}
+
+int
+parse_short_opts(const char *s, char *arg)
+{
+       while(s[1]) if(!short_opt(*s++, NULL)) return 0;
+       return short_opt(*s, arg);
+}
+
+static char *long_opts[] = { "full-screen", "silent", "version", "help", "autopilot" };
 
-struct argp argp = { opts, &parse_opt, 0, doc };
+static char short_opts[] = { 'f', 's', 'V', 'h', 'a' };
+
+int
+parse_long_opt(const char *s, char *arg)
+{
+       int i;
+       for(i=0; i<sizeof(short_opts); i++) {
+               if(strcmp(s, long_opts[i]) == 0)
+                       return short_opt(short_opts[i], arg);
+       }
+       fprintf(stderr, "unknown long option --%s\n\n", s);
+       return 0;
+}
 
 void
 init_opts(void)
 {
        opt_fullscreen = 0;
        opt_sound = 1;
-       opt_music = 0;
-       opt_bounciness = 0.50; // lose 50% when you hit the screen edge.
-       opt_gamespeed = 1.00; // Run game at full speed.
-       // These switch back to the old gameplay and are off by default.
-       opt_tail_engine = 0;
-       opt_friction = 0;
+       opt_autopilot = 0;
 }
 
-error_t
-parse_opt(int key, char *arg, struct argp_state *state)
+int
+parse_opts(int argc, char *argv[])
 {
        int i;
+       char *r;
 
-       switch(key) {
-               case 'f': opt_fullscreen = 1; break;
-               case 'm': opt_music = 1; break;
-               case 's': opt_sound = 0; opt_music = 0; break;
-               case 'b': i = 0; sscanf(arg, "%d%%", &i);
-                                 if(i < 50) i = 50; else if(i > 100) i = 100;
-                                 opt_bounciness = (float)i / 100;
-                                 break;
-               case 'g': i = 0; sscanf(arg, "%d%%", &i);
-                                 if(i < 0) i = 0; else if(i > 100) i = 100;
-                                 opt_gamespeed = (float)i / 100;
-                                 break;
-               case 'e': opt_tail_engine = 1; break;
-               case 'p': opt_friction = 1; break;
-               default: break;
+       init_opts();
+       for(i=1; i<argc; i++) {
+               char *s, *arg;
+               s = argv[i]; if(!*s) continue;
+               if(*s++ != '-') {
+                       fputs("not an option\n\n", stderr);
+                       show_help();
+                       return 0;
+               }
+
+               arg = NULL;
+               for(r=s; *r; r++) if(*r == '=') { *r = 0; arg = r+1; break; }
+               if(!arg && (i+1 < argc)) arg = argv[i+1];
+
+               if(*s == '-') {
+                       if(!parse_long_opt(s+1, arg)) { show_help(); return 0; }
+               } else {
+                  if(!parse_short_opts(s, arg)) { show_help(); return 0; }
+               }
        }
-       return 0;
+       return 1;
 }