Make rail track intersection detector consider collision masks

[RockDeicide]

A while back I was experimenting with the idea of train tunnels using invisible tracks that phase through everything to allow the pathfinder to "see" through the tunnel, for this I made the "tunnel" tracks use a special collision mask. It worked fine with everything except other rail tracks, as track intersection detector only cares about intersection of collision boxes, but not their collision masks (as in "tunnel" tracks and normal tracks would be in the same signal block, even if their masks don't intersect).

So, how about it? It would allow Rail Bridges mod to make a comeback as well.

[DaveMcW]

This has the same problem that killed the original version: mods cannot be allowed to change masks in the middle of a game.

[RockDeicide]

I'm not talking about masks being changed in the middle of the game, I'm talking about different kinds of tracks that have different non-intersecting collision masks.

Dynamic masks feature would be useful for making locos not hit the player while in the tunnel, but that's not necessary and not enough as the loco would also need dynamic visuals to make it invisible.

[slippycheeze]

I'm not talking about masks being changed in the middle of the game, I'm talking about different kinds of tracks that have different non-intersecting collision masks.

I think they mean if you update from mod version 1 to version 2, and version 2 defines a different collision mask size.

That said, I dream too that they may permit multiple distinct rail systems with zero connection between them, and permit different bounding boxes on them.

[steinio]

Probably not.
Even rail_category was removed recently.

[slippycheeze]

Probably not.
Even rail_category was removed recently.

Yeah, so I learned in another thread. *shrug* guess it is what it is. lua scripting or death!

[eradicator]

Probably not.
Even rail_category was removed recently.

Yeah, so I learned in another thread. *shrug* guess it is what it is. lua scripting or death!

rail_category moddabiltiy has been dead for ages (since 0.16?). What they recently removed was merely the last artifact.