v1.0.7:

•  The recipe now works.  Whoops.

v1.0.6:

• Player's now face correct direction after exiting portals (except for long distance ones sometimes, still working on that)
• Blacklist now works!  $server_data/ModConfig/vPortals/portalConf.json will autogenerate after the first time you run the mod, you can customize the blacklist of things players aren't allowed to teleport with there and turn the blacklist on and off.  It defaults to off and will stay that way until I can make an audio alert or something to make it clear to players the portal works, they're just carrying something not allowed.
• Important: Portals set down in maps from prior modversions will not have all the data they need to function anymore.  Get rid of them and replace them after changing to this mod version.
• Bugfix:  An error was lurking in how portal tag data was persisting across savefiles. It's gone now.

Increasingly less janky.  Still seems to work.

This adds portals that work more or less entirely like the portals from Valheim.  For those of you unfamiliar, shift+use to change the tag of a portal.  Two portals with the same tag will teleport you to and from one another.

If more than two portals have the same tag, the two that have had that tag the longest will be the ones that are linked.

May corrupt your saves, this is not yet widely tested.

If you find bugs other than the 'Todo' bugs, let me know!

If you want to donate, let me know. :3

Todo:

• Fix non-players not teleporting.
• Make portals placeable on top of plants and rocks and such.
• Make better textures.
• Add animations, sounds and particle effects.
• Gate portal creation behind some special new tools.

v1.0.5! 

• Portals now only place in completely clear 3x3x3 grids.  Will try and add clever handling of rocks and plants and such later.
• Landing zones will clear themselves when someone teleports into them if there's somehow a block there. (OH YEAHHH!)
• Landing zones will proactively stop blocks from being placed directly in front of them.

v1.0.4 may have had a bug when teleporting to far away chunks I didn't catch until v1.0.5.  Sorry about that!