I have seen custom fantasy world or game maps using OpenLayers or similar tools. Now say I want to do exactly that, but I also want to include the in-game traveling options. I imagine it being much like how Google does paths, walk to X, take boat to Y, walk to Z and the like.
Except in games there are other limitations and options. Like instant teleportation to specific points (think fast travel from anywhere), static connection between fixed fasttravel points, one way fasttravel options. And some travel options being locked behind a certain feat in the game (can't fly until you reach X point in the game) Ideally you'd also take speed of modes of travel into account, so the map can evaluate the quickest path between A and B.
I can't imagine there is a map out there that supports this out of the box or even remotely close to it. But if there were, it would provide support for a wide selection of games. Does anyone know if there is anything like it?