AntiLavaCast

Prevents high altitude lava placement to stop lava casting on Paper 1.21.x.

Features

• Cancels lava bucket placement, flow or both if it is more than the configured height above natural ground.
• Logs a server alert when a placement is blocked.
• Supports live config reload and runtime toggling.

Requirements

• Paper 1.21.x
• Java 21+

Build

./gradlew build

Output jar: build/libs/AntiLavaCast-1.0.0.jar

Install

1. Build the jar.
2. Drop the jar into your server plugins folder.
3. Start the server to generate the config.

Commands

• /lavacast reload
• /lavacast enable
• /lavacast disable
• /lavacast setheight <blocks>
• /lavacast drop <on|off> on allows dropping
• /lavacast flow <on|off> on allows flowing

Permissions

lavacast.admin (default: op)

Config

plugins/AntiLavaCast/config.yml

max-height-above-ground: 20
enabled: true
allow-lava-drop: false
allow-lava-flow: false

Notes

• The ground scan ignores blocks placed while the plugin is running. Existing towers built before the plugin started will not be tracked unless rebuilt.