Fixed support for servers who don't use permissions

Author: FugLong

README.md

@@ -58,7 +58,7 @@ The mod uses the Fabric Permissions API and supports any permissions plugin that
 - `oldschooljail.time` - Allows using `/jail time` (granted to all by default)
 - `oldschooljail.jail` - Also allows using `/jail time <player>` to check other players' jail time
 
-**Note**: If no permissions plugin is installed, the mod falls back to OP level 2 for admin commands.
+**Note**: If no permissions plugin is installed, the mod automatically falls back to OP level 2 for admin commands. The mod works perfectly on vanilla servers without any permissions plugins!
 
 ## Configuration
 

build.gradle

@@ -33,9 +33,9 @@ dependencies {
 	// Fabric API
 	modImplementation "net.fabricmc.fabric-api:fabric-api:${project.fabric_version}"
 
-	// Fabric Permissions API (for LuckPerms integration)
+	// Fabric Permissions API (for LuckPerms integration) - Optional dependency
 	modImplementation "me.lucko:fabric-permissions-api:0.3.1"
-	include "me.lucko:fabric-permissions-api:0.3.1"
+	// Don't include it - let it be optional
 
 	// TOML parser for config files
 	implementation "com.electronwill.night-config:toml:3.6.7"

src/main/java/com/oldschooljail/util/PermissionUtil.java

@@ -1,6 +1,5 @@
 package com.oldschooljail.util;
 
-import me.lucko.fabric.api.permissions.v0.Permissions;
 import net.minecraft.server.command.ServerCommandSource;
 import net.minecraft.server.network.ServerPlayerEntity;
 
@@ -19,13 +18,23 @@ public static boolean hasPermission(ServerCommandSource source, String permissio
 			return true;
 		}
 
-		// Use Fabric Permissions API (works with LuckPerms, etc.)
-		// Falls back to OP level 2 if no permission plugin is installed
-		return Permissions.check(source, permission, 2);
+		// Try to use Fabric Permissions API if available
+		try {
+			return me.lucko.fabric.api.permissions.v0.Permissions.check(source, permission, 2);
+		} catch (NoClassDefFoundError | Exception e) {
+			// Permissions API not available, fall back to OP level 2
+			return source.hasPermissionLevel(2);
+		}
 	}
 
 	public static boolean hasPermission(ServerPlayerEntity player, String permission) {
-		return Permissions.check(player, permission, 2);
+		// Try to use Fabric Permissions API if available
+		try {
+			return me.lucko.fabric.api.permissions.v0.Permissions.check(player, permission, 2);
+		} catch (NoClassDefFoundError | Exception e) {
+			// Permissions API not available, fall back to OP level 2
+			return player.hasPermissionLevel(2);
+		}
 	}
 
 	public static boolean isImmune(ServerPlayerEntity player) {