So I patched together a Railgun, using the amazing
Dart Rifle by Solarius Scorch (<--LINK).
*** EDIT: I made the graphics for the weapon:
- inventory (and ufopaedia) sprites;
- battlescape sprites, held and on floor.
It's intended to be a sniping weapon (basically uses the stats of UFO2000's Sniper Rifle).
Pros
+ very accurate
+ high damage (I use custom damages for the game arsenal, so you may want to tweak this value if using the vanilla arsenal)
Cons
- no autoshot
- small clip size (5 slugs)
Tested on OpenXCOM build: "openxcom_git_master_2014_02_15_1025.zip", and everything seems to work as intended. Let me know if cataclysm.
Credits:
Ruleset is rewritten on Solarius Scorch's Dart Rifle ruleset.
Ammo clip is recolored version of DartRifle Clip, provided by Dioxine.
Thanks Ryskeliini for the hints about how to mod.