CLI and no sound option

3 files changed, 40 insertions, 5 deletions

diff --git a/src/main.c b/src/main.c
index d5b9df8..c18318e 100644
--- a/src/main.c
+++ b/src/main.c
@@ -12,10 +12,25 @@
 #include "menu.h"
 #include "game.h"
 
+#define GAME_NAME "Gold Mine Run!"
+#define GAME_VERSION "A0"
+#define GAME_URL "https://git.usebox.net/dos-jam-2023/about/"
+
 /* disable paging because our int handlers are written in C */
 int _crt0_startup_flags = _CRT0_FLAG_LOCK_MEMORY;
 
-void free_all()
+static void run_help(const char *argv0)
+{
+    printf("usage: %s\n\n"
+           "  -h\tthis help screen\n"
+           "  -v\tprint version and exit\n"
+           "  -ns\trun the game with no sound\n\n"
+           "More info and updates:\n"
+           "  " GAME_URL "\n\n",
+           argv0);
+}
+
+static void free_all()
 {
     timer_free();
     keyb_free();
@@ -24,7 +39,26 @@ void free_all()
 
 int main(int argc, char *argv[])
 {
-    if (!sound_init())
+    uint8_t nosound = 0;
+
+    if (argc > 1)
+    {
+        for (uint8_t i = 1; i < argc; i++)
+            if (!strcmp(argv[i], "-h"))
+            {
+                run_help(argv[0]);
+                return 0;
+            }
+            else if (!strcmp(argv[i], "-v"))
+            {
+                printf(GAME_NAME " " GAME_VERSION "\n");
+                return 0;
+            }
+            else if (!strcmp(argv[i], "-ns"))
+                nosound = 1;
+    }
+
+    if (!sound_init(nosound))
     {
         fprintf(stderr, "ERROR: failed to init sound\n");
         return 1;
diff --git a/src/sound.c b/src/sound.c
index f19b7ff..0a10ae4 100644
--- a/src/sound.c
+++ b/src/sound.c
@@ -35,11 +35,12 @@ static MODULE *music = NULL;
 static uint8_t queue[MAX_QUEUE];
 static uint8_t queue_top;
 
-uint8_t sound_init()
+uint8_t sound_init(uint8_t nosound)
 {
     MikMod_InitThreads();
 
-    MikMod_RegisterDriver(&drv_sb);
+    if (!nosound)
+        MikMod_RegisterDriver(&drv_sb);
     MikMod_RegisterDriver(&drv_nos);
     MikMod_RegisterLoader(&load_it);
 
diff --git a/src/sound.h b/src/sound.h
index be4df88..cd7c20c 100644
--- a/src/sound.h
+++ b/src/sound.h
@@ -11,7 +11,7 @@ enum {
     EFX_DEATH,
 };
 
-uint8_t sound_init();
+uint8_t sound_init(uint8_t nosound);
 void sound_free();
 void sound_update();