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Xaero Map Regions

If you've been missing the ability to create regions - complete with names, boundaries, and icons - in your builds or servers, this mod is just what you need

Description

 

✦ Usage

Install the mod on both the dedicated server and every client that should see or
manage regions. Players without the client mod will not see the map overlay.
 
Open Xaero's World Map and use the region controls:
  • R opens the region drawing workflow on Xaero's map screen when the player is an operator in creative mode.
  • P places polygon points while drawing.
  • Middle mouse click places polygon points while drawing.
  • T opens the region manager while in normal camera/game view.
Only operators in creative mode can create, edit, delete, or upload icons. All
players with the mod installed can view synced regions, limited by their own
Xaero explored-map data.

Commands are available only to players who are currently in Creative mode.

Hide a region for one player

/region hide <player> <region>

Show a hidden region again

/region visible <player> <region>

Create a point marker

/region createpoint <player> <mode> <iconname> <label> <x> <y> <z>

Arguments:

- <player>: target player who will see the marker.
- <mode>: marker lifetime mode.
- <iconname>: predefined pixel icon. The command suggests available icon names while typing.
- <label>: text shown under the marker. Use quotes for labels with spaces.
- <x> <y> <z>: block coordinates for the marker.

Modes:

- waitenter: the marker disappears for the target player when they enter the marker's chunk.
- waitcommand: the marker stays until it is removed with `/region delpoint`.

Delete a point marker

/region delpoint <player> <x> <y> <z>

✦ What It Does

  • Lets operators in creative mode draw freeform polygon regions on Xaero's World Map.
  • Supports named regions, ARGB colors, alpha/opacity, optional categories, predefined icons, and custom PNG icons.
  • Stores all region data on the server and syncs it to every connected client.
  • Restricts create, edit, delete, and icon upload packets on the server to players who are both operators and in creative mode.
  • Respects Xaero's explored-map data so regions only render where the player has already explored the map.
  • Fades newly revealed region portions in over about 1.5 seconds.
  • Shows region entry titles when a player crosses into a region, with optional Traveler's Titles reflection support and an internal fallback overlay.
  • Persists regions and custom icon metadata through world `SavedData`.
 

✦ Dependencies

Use these dependencies when publishing and when building a server pack.

Kotlin for Forge       |     Tested ver: 5.6.0   required because this mod is written in Kotlin.
Xaero's World Map  |     Tested ver: 1.40.16
XaeroLib                   |     Tested ver: 1.1.15
Traveler's Titles        |     Optional  -> Tested by reflection only | If absent, Xaero Regions uses its built-in title overlay.

Important: do not redistribute `xaeroworldmap-neoforge-1.21.1-1.40.16.jar`
inside this mod jar or inside this repository release artifact. Xaero's World
Map is an external dependency with its own license.