RegionEffects is a powerful and easy-to-use Minecraft plugin designed for 1.21 servers. This plugin allows server administrators to set custom potion effects for players based on the world they are in. Whether you want players to have Speed and Jump Boost in your spawn world or Haste in your mining world, RegionEffects makes it possible.

Features:

• Custom Potion Effects Per World: Define multiple potion effects for each world in your server. Effects are applied when players enter the world and removed when they leave.
• Configurable via config.yml: Easily configure the effects and their properties (type, duration, amplifier) in the plugin's configuration file.
• Reload Command: Reload the plugin's configuration without restarting the server.
• Permissions Support: Control who can reload the plugin configuration with permissions.
• Action Bar Messages: These messages appear above the hotbar and can be used to convey important information to players in a non-intrusive manner.
  
• Boss Bar Messages: These messages appear at the top of the screen and are great for showing progress or important notifications.
• Double Jump: Allow players to jump mid-air, providing a fun and dynamic way to traverse your world.
• Resource Buffs: Boost resource gathering rates to create unique gameplay experiences in different worlds.

Commands:

• /regioneffects reload - Reloads the RegionEffects plugin configuration.

Permissions:

• regioneffects.reload - Allows a player to reload the plugin configuration using /regioneffects reload. Default: OP

Configuration:

Here is an example of the config.yml file:
How to Install:

1. Download the Plugin: Download the latest version of the RegionEffects plugin jar file.
2. Add to Plugins Folder: Place the downloaded jar file into your server's plugins folder.
3. Start Your Server: Start (or restart) your Minecraft server.
4. Configure the Plugin: Edit the config.yml file located in the plugins/RegionEffects folder to set up the desired effects for your worlds.
5. Reload Configuration: Use /regioneffects reload to apply configuration changes without restarting the server.

Permissions Setup:

Ensure that players or groups who need to reload the plugin configuration are granted the regioneffects.reload permission. This can be done using a permissions management plugin like LuckPerms or PermissionsEx.