Add ability to loop the same song via command

src/main/java/semmiedev/disc_jockey/DiscjockeyCommand.java

@@ -214,7 +214,24 @@ public class DiscjockeyCommand {
                                 )
                         )
 
-
+                        .then(literal("loop")
+                                .executes(context -> {
+                                    context.getSource().sendFeedback(Text.translatable(Main.MOD_ID + ".loop_status", Main.SONG_PLAYER.loopSong ? "yes" : "no"));
+                                    return 1;
+                                })
+                                .then(literal("yes")
+                                    .executes(context -> {
+                                        Main.SONG_PLAYER.loopSong = true;
+                                        context.getSource().sendFeedback(Text.translatable(Main.MOD_ID + ".loop_enabled"));
+                                        return 1;
+                                    }))
+                                .then(literal("no")
+                                    .executes(context -> {
+                                        Main.SONG_PLAYER.loopSong = false;
+                                        context.getSource().sendFeedback(Text.translatable(Main.MOD_ID + ".loop_disabled"));
+                                        return 1;
+                                    }))
+                        )
         );
     }
 

src/main/java/semmiedev/disc_jockey/SongPlayer.java

@@ -60,6 +60,7 @@ public class SongPlayer implements ClientTickEvents.StartWorldTick {
     private int tuneInitialUntunedBlocks = -1;
     private HashMap<BlockPos, Pair<Integer, Long>> notePredictions = new HashMap<>();
     public boolean didSongReachEnd = false;
+    public boolean loopSong = false;
 
     public SongPlayer() {
         Main.TICK_LISTENERS.add(this);
@@ -205,6 +206,9 @@ public class SongPlayer implements ClientTickEvents.StartWorldTick {
                     if (index >= song.notes.length) {
                         stop();
                         didSongReachEnd = true;
+                        if(loopSong) {
+                            start(song);
+                        }
                         break;
                     }
                 } else {

src/main/resources/assets/disc_jockey/lang/en_us.json

@@ -31,6 +31,9 @@
   "disc_jockey.mapped_instruments": "Mapped instruments: %s",
   "disc_jockey.no_mapped_instruments": "No instruments mapped, yet.",
   "disc_jockey.instrument_maps_cleared": "Instrument mappings cleared.",
+  "disc_jockey.loop_status": "Loop song: %s",
+  "disc_jockey.loop_enabled": "Enabled looping of current song.",
+  "disc_jockey.loop_disabled": "Disabled looping of current song.",
   "disc_jockey.warning": "WARNING!!! This mod is very likely to get false flagged as hacks, please contact a server administrator before using this mod! (You can disable this warning in the mod settings)",
   "key.category.disc_jockey": "Disc Jockey",
   "disc_jockey.key_bind.open_screen": "Open song selection screen",