Added options for volume control (-v, --volume)

1 files changed, 13 insertions, 0 deletions

diff --git a/nyan.c b/nyan.c
index d7ebdbb..790405d 100644
--- a/nyan.c
+++ b/nyan.c
@@ -76,6 +76,7 @@ static SDL_Event                    event;
 static int                          running = 1;

 static int                          SURF_TYPE = SDL_HWSURFACE;

 static int                          sound = 1;

+static int                          sound_volume = 128;

 static int                          fullscreen = 1;

 static int                          catsize = 0;

 static int                          cursor = 0;

@@ -259,6 +260,16 @@ handle_args(int argc, char **argv) {
             cursor = 1;

         else if(!strcmp(argv[i], "-ns") || !strcmp(argv[i], "--nosound"))

             sound = 0;

+        else if((!strcmp(argv[i], "-v") || !strcmp(argv[i], "--volume")) && i < argc - 1) {

+            int vol = atoi(argv[++i]);

+            if(vol >= 0 && vol <= 128){

+                sound_volume = vol;

+            }

+            else {

+                puts("Arguments for Volume are not valid. Disabling sound.");

+                sound = 0;

+            }

+        }

         else if(!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help")) 

             usage(argv[0]);

         else if(!strcmp(argv[i], "-c") || !strcmp(argv[i], "--catsize")) {

@@ -320,6 +331,7 @@ init(void) {
         Mix_OpenAudio( 44100, AUDIO_S16, 2, 256 );

         load_music();

         Mix_PlayMusic(music, 0);

+        Mix_VolumeMusic(sound_volume);

     }

 

     /* Choose our image set */

@@ -549,6 +561,7 @@ usage(char* exname) {
     -nc, --nocursor                Don't show the cursor (default)\n\

     -sc, --cursor, --showcursor    Show the cursor\n\

     -ns, --nosound                 Don't play sound\n\

+    -v, --volume                   Set Volume, if enabled, from 0 - 128\n\

     -r,  --resolution              Make next two arguments the screen \n\

                                    resolution to use (0 and 0 for full \n\

                                    resolution) (800x600 default)\n\