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In what file does Rei's Minimap store its waypoint data?

I recently updated a server's modpack (from FTB Beta to Direwolf20's pack) and the waypoints disappeared in the process. I've combed through the folders of the backup from before I did the update and I can't find anything that looks remotely like storage for the waypoints. My objective is to, if possible, import everyone's waypoint data into the updated server setup.

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I wonder why I never thought of asking this before. +1 –  GnomeSlice Jan 18 '13 at 17:45
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2 Answers

up vote 4 down vote accepted

First off, they're stored client-side, so you can't restore players' waypoints on your side. They're in mods/rei_minimap in the minecraft folder. You should have a bunch of .points files in there.

Each file stores the waypoints for a single dimension in a world. Multiplayer waypoints are stored by server address, so if your server is on a consumer machine with a dynamic IP address, you should set up a hostname for it so players don't keep losing their waypoints.

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Oh! Of course they would be stored client side! That should have occurred to me. Well I can at least provide instructions to import them from the old FTBBETAA client-side folder structure to the new Direwold20 folder structure. That also explains why they disappeared even though the hostname is unchanged. –  SevenSidedDie Jan 19 '13 at 0:10
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Well, storing them serverside would make sense. That way, hostname/IP address changes wouldn't reset the waypoints, and map resets would. Not doing that makes it compatible with vanilla servers though. –  lunboks Jan 19 '13 at 0:59
    
NB the file is named for the world's file system folder (not the world name,). So (say) copying a world to a new folder requires separately copying the waypoint files based on names matching the new save folder. –  Richard Jan 19 '13 at 9:37
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They are stored in the .minecraft\mods\rei_minimap using the .points extension, with a separate file for each map/server and dimension (including Mystcraft ones).

The format is [Map/save].DIM[#].points

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