feat: persist elytra toggle by saving config upon exit

remappedSrc/xyz/devcomp/elytralock/integrations/ModMenuIntegration.java

@@ -1,5 +1,6 @@
 package xyz.devcomp.elytralock.integrations;
 
+import xyz.devcomp.elytralock.ElytraLock;
 import xyz.devcomp.elytralock.config.ConfigHandler;
 import xyz.devcomp.elytralock.config.ConfigUtil;
 
@@ -12,7 +13,7 @@ public class ModMenuIntegration implements ModMenuApi {
         return (parent) -> {
             if (!ConfigUtil.isYaclLoaded())
                 return parent;
-            return new ConfigHandler().showGui(parent);
+            return ElytraLock.config.showGui(parent);
         };
     }
 }

src/main/java/xyz/devcomp/elytralock/ElytraLock.java

@@ -1,7 +1,9 @@
 package xyz.devcomp.elytralock;
 
 import xyz.devcomp.elytralock.config.ConfigHandler;
+import xyz.devcomp.elytralock.config.ConfigModel;
 import xyz.devcomp.elytralock.config.ConfigUtil;
+import xyz.devcomp.elytralock.events.ClientExitHandler;
 import xyz.devcomp.elytralock.events.ClientTickEndHandler;
 import xyz.devcomp.elytralock.events.HudRenderHandler;
 
@@ -11,6 +13,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import net.fabricmc.api.ClientModInitializer;
+import net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLifecycleEvents;
 import net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientTickEvents;
 import net.fabricmc.fabric.api.client.keybinding.v1.KeyBindingHelper;
 import net.fabricmc.fabric.api.client.rendering.v1.HudRenderCallback;
@@ -26,6 +29,7 @@ public class ElytraLock implements ClientModInitializer {
 	private static KeyBinding lockKeybind;
 	private static boolean locked = false;
 	public static MinecraftClient client;
+	public static ConfigHandler config;
 
 	@Override
 	public void onInitializeClient() {
@@ -39,15 +43,16 @@ public class ElytraLock implements ClientModInitializer {
 
 		if (ConfigUtil.isYaclLoaded()) {
 			LOGGER.info("YACL_v3 is loaded, loading elytra toggle");
-			locked = new ConfigHandler().getInstance().toggle;
+			config = new ConfigHandler();
+			locked = config.getInstance().toggle;
 		} else {
 			LOGGER.warn("YACL_v3 is not loaded, not persisting elytra toggle");
 		}
 
 		HudRenderCallback.EVENT.register(new HudRenderHandler());
 		ClientTickEvents.END_CLIENT_TICK.register(new ClientTickEndHandler());
-
+		ClientLifecycleEvents.CLIENT_STOPPING.register(new ClientExitHandler());
-		LOGGER.info("Registered HUD_RENDER & END_CLIENT_TICK events successfully!");
+		LOGGER.info("Registered HUD_RENDER, END_CLIENT_TICK and CLIENT_STOPPING events successfully!");
 	}
 
 	public static boolean isLocked() {

src/main/java/xyz/devcomp/elytralock/config/ConfigHandler.java

@@ -25,6 +25,10 @@ public class ConfigHandler {
         }
     }
 
+    public static void saveConfig() {
+        HANDLER.save();
+    }
+
     public Screen showGui(Screen parent) {
         this.loadConfig();
         return HANDLER.generateGui().generateScreen(parent);

src/main/java/xyz/devcomp/elytralock/events/ClientExitHandler.java

@@ -0,0 +1,14 @@
+package xyz.devcomp.elytralock.events;
+
+import net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLifecycleEvents.ClientStopping;
+import net.minecraft.client.MinecraftClient;
+import xyz.devcomp.elytralock.ElytraLock;
+import xyz.devcomp.elytralock.config.ConfigHandler;
+
+public class ClientExitHandler implements ClientStopping {
+    @Override
+    public void onClientStopping(MinecraftClient client) {
+        ElytraLock.config.getInstance().toggle = ElytraLock.isLocked();
+        ConfigHandler.saveConfig();
+    }
+}

src/main/java/xyz/devcomp/elytralock/events/ClientTickEndHandler.java

@@ -28,6 +28,8 @@ public class ClientTickEndHandler implements EndTick {
             });
 
     public void onEndTick(MinecraftClient client) {
-        impl.run(client);
+        if (client.player != null) {
+            impl.run(client);
+        }
     }
 }

src/main/java/xyz/devcomp/elytralock/integrations/ModMenuIntegration.java

@@ -1,6 +1,6 @@
 package xyz.devcomp.elytralock.integrations;
 
-import xyz.devcomp.elytralock.config.ConfigHandler;
+import xyz.devcomp.elytralock.ElytraLock;
 import xyz.devcomp.elytralock.config.ConfigUtil;
 
 import com.terraformersmc.modmenu.api.ConfigScreenFactory;
@@ -12,7 +12,7 @@ public class ModMenuIntegration implements ModMenuApi {
         return (parent) -> {
             if (!ConfigUtil.isYaclLoaded())
                 return parent;
-            return new ConfigHandler().showGui(parent);
+            return ElytraLock.config.showGui(parent);
         };
     }
 }