I believe you had a tool 2D editor for object editing (osrs data). Hes looking for that tool which can select a building and copy the objects within a tile radius or whatever you did then paste it in another location.
interesting never knew there was an issue with offsets. i might start a project in my spare time. i been apart of big software developments and even a indie game that i want to go back to my roots
You working on any projects? also are there still things that no one released properly? im purging most my old backups might release stuff if i can find it before its gone forever