ADDED PLACEHOLDER API SUPPORT.

NEW README:

Development Plugin

✨ PlaceholderAPI Supported! All features below support internal and external placeholders. (PlaceholderAPI is optional but recommended).

A powerful, all-in-one utility plugin for Paper/Spigot 1.21.1+ servers. This plugin allows server owners to create custom GUIs, dynamic commands, interactive items with map art, holograms, and boss bars—all without touching a single line of code or restarting the server.

🚀 Features

1. Custom GUI System

Create interactive menus with buttons that execute commands.

• Visual Editor: /develop gui interface <name>
• Create a GUI: /develop gui create <name>
• Set a Button (Command): Hold an item and run /develop gui setbutton <name> <slot> <command>
  • Example: /develop gui setbutton main 10 "say %player_name% has %player_health% HP!"
• View a GUI: /develop gui view <name>

2. Dynamic Commands

Create your own server commands on the fly.

• Create Command: /develop cmd <name> <execution_command> <level>
  • Levels: 4 for OP only, 1 for all players.
  • Internal Placeholders: {player}, {0}, {1} (arguments).
  • PAPI Example: /develop cmd health "say &aYou have %player_health% HP!" 1
  • Example: /develop cmd day "time set day" 4
• List Commands: /develop cmd list
• Delete Command: /develop cmd delete <name>

3. Custom Items & Map Art

Craft unique items with custom NBT data or render images onto Minecraft maps.

• Give Item: /develop item <material> <name> <lore> <nbt_key:val> [image.png]
  • Example: /develop item PAPER "&eStats for %player_name%" "&7Ping: %player_ping%|&7World: {world}" "stats:item"
  • Map Art: Drop a .png into /plugins/Development/images/ and specify the filename as the last argument.

4. Dynamic Holograms

Floating text displays that update in real-time.

• Create: /develop hologram create <name> <text>
  • Internal: {online}, {time}, {world}.
  • PAPI Example: /develop hologram stats &bServer Stats|&7TPS: %server_tps%|&7Online: {online}
• Move: /develop hologram movehere <name>

5. Boss Bar Announcements

Server-wide announcements with customizable styles.

• Create: /develop bossbar create <name> <color> <style> <title>
  • PAPI Example: /develop bossbar msg GREEN SOLID "&aWelcome to the server, %player_name%!"
• Show: /develop bossbar show <name>
• Progress: /develop bossbar setprogress <name> <0.0 - 1.0>

6. Custom Scoreboard System

Dynamic scoreboards with animation support and per-player placeholders.

• Visual Editor: /develop scoreboard interface <id> (Gives a book editor)
• Example Lines:
  • &eBalance: &a$%vault_balance%
  • &eLocation: &7%player_x%, %player_y%, %player_z%
  • &eServer: &7{online} Players

7. Custom NPC System

Spawn stationary entities that execute commands when right-clicked.

• Create NPC: /develop npc create <id> <type> <display_name>
• Set Command: Support placeholders in executed commands.
  • Example: /develop npc setcommand guard "say Halt %player_name%!"

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🛠️ Installation

1. Download the latest Development.jar.
2. Place it in your server's plugins folder.
3. (Optional) Install PlaceholderAPI for advanced placeholders.
4. Restart the server.
5. Ensure you have the permission development.admin or are an OP to use /develop.

📂 File Structure

• guis.yml: Stores all custom menu configurations.
• commands.yml: Stores dynamically registered commands.
• holograms.yml: Stores persistent hologram data.
• npcs.yml: Stores persistent NPC data.
• images/: Put your PNG files here for the Map Art feature.

💻 Technical Requirements

• Server: Paper or Spigot 1.21.1+
• Java: Java 21+
• Developer: everett2323