Restore menu music overrides.

- Fix menu music overrides (probably)
* Super sketchy work-around hopefully resolves #36

Author: gniftygnome

src/main/java/com/terraformersmc/vistas/mixin/MinecraftClientMixin.java

@@ -7,8 +7,8 @@
 import net.fabricmc.api.Environment;
 import net.minecraft.client.MinecraftClient;
 import net.minecraft.client.RunArgs;
-import net.minecraft.client.network.ClientPlayerEntity;
 import net.minecraft.resource.ReloadableResourceManagerImpl;
+import net.minecraft.server.integrated.IntegratedServer;
 import net.minecraft.sound.MusicSound;
 import org.jetbrains.annotations.Nullable;
 import org.spongepowered.asm.mixin.Final;
@@ -23,17 +23,17 @@
 
 @Environment(EnvType.CLIENT)
 @Mixin(MinecraftClient.class)
-public class MinecraftClientMixin implements MinecraftClientAccess {
+public abstract class MinecraftClientMixin implements MinecraftClientAccess {
 	@Unique
 	private PanoramaResourceReloader panoramaResourceReloader;
 
 	@Shadow
 	@Final
 	private ReloadableResourceManagerImpl resourceManager;
 
-	@Nullable
 	@Shadow
-	public ClientPlayerEntity player;
+    @Nullable
+    private IntegratedServer server;
 
 	@Inject(
 			method = "<init>",
@@ -51,7 +51,7 @@ public class MinecraftClientMixin implements MinecraftClientAccess {
 
 	@Inject(method = "getMusicType", at = @At("HEAD"), cancellable = true)
 	private void vistas$getMusicType(CallbackInfoReturnable<MusicSound> ci) {
-		if (this.player == null) {
+		if (this.server == null) {
 			ci.setReturnValue(VistasTitle.CURRENT.getValue().getMusicSound());
 		}
 	}

src/main/java/com/terraformersmc/vistas/panorama/Panorama.java

@@ -4,10 +4,9 @@
 import com.mojang.serialization.Codec;
 import com.mojang.serialization.codecs.RecordCodecBuilder;
 import net.minecraft.client.sound.MusicType;
-import net.minecraft.registry.Registries;
+import net.minecraft.registry.entry.RegistryEntry;
 import net.minecraft.sound.MusicSound;
 import net.minecraft.sound.SoundEvent;
-import net.minecraft.sound.SoundEvents;
 import net.minecraft.util.Identifier;
 
 import java.util.List;
@@ -19,16 +18,16 @@ public class Panorama {
 	public static final Codec<MusicSound> OPTIONAL_MUSIC_SOUND_CODEC = RecordCodecBuilder.create(
 			(instance) -> 
 			instance.group(
-					SoundEvent.CODEC.optionalFieldOf("sound")
-						.forGetter((sound) -> Optional.of(sound.getSound().value())),
+					Identifier.CODEC.fieldOf("sound")
+						.forGetter((sound) -> sound.getSound().getKey().orElseThrow().getValue()),
 					Codec.INT.optionalFieldOf("min_delay")
 						.forGetter((sound) -> Optional.of(sound.getMinDelay())),
 					Codec.INT.optionalFieldOf("max_delay")
 						.forGetter((sound) -> Optional.of(sound.getMaxDelay())),
 					Codec.BOOL.optionalFieldOf("replace_current_music")
 						.forGetter((sound) -> Optional.of(sound.shouldReplaceCurrentMusic()))
 					)
-			.apply(instance, (sound, min, max, replace)-> new MusicSound(sound.map(Registries.SOUND_EVENT::getEntry).orElse(SoundEvents.MUSIC_MENU), min.orElse(20), max.orElse(600), replace.orElse(true))));
+			.apply(instance, (sound, min, max, replace) -> new MusicSound(RegistryEntry.of(SoundEvent.of(sound)), min.orElse(20), max.orElse(600), replace.orElse(true))));
 
 	public static final Codec<Panorama> CODEC = RecordCodecBuilder.create(
 			(instance) ->