Fake vehicles tile working a bit TOO well.

[FayFlightee]

Describe the bug

#56143 PR made it so that vehicle tiles sometimes generate a fake part to fill in the diagonal gap. That's great for cars, but it works on something like shopping carts as well, and this makes it impossible to squeeze the shopping cart through a 1 tile gap they normally can go through just fine.

Steps to reproduce

1. Spawn a shopping cart.
2. Try grabbing and dragging it around tighter corridors. In my case, in some of the military outpost's corridors.
3. Sometimes, diagonally, it refuses to go through the gap it could've went through in previous versions.

Expected behavior

Should've been able to get it through.

Screenshots

No response

Versions and configuration

• OS: Windows
  • OS Version: 10.0.19044.2006 (21H2)
• Game Version: a4b97ec [64-bit]
• Graphics Version: Tiles
• Game Language: System language []
• Mods loaded: [
  Dark Days Ahead [dda],
  Disable NPC Needs [no_npc_food],
  No Fungal Growth [no_fungal_growth],
  Bionic Professions [package_bionic_professions],
  No Rail Stations [No_Rail_Stations],
  SpeedyDex [speedydex],
  Stats Through Kills [stats_through_kills]
  ]

Additional context

No response

[irwiss]

Can you provide a save demonstrating the issue? I tested moving shopping cart across diagonal walls and it traverses fine, also walked around outpost_east with cart grabbed and didn't hit any fake parts issues

[anoobindisguise]

I haven't seen this with shopping carts but it has happened with 2x1 food carts.

[irwiss]

2x1 is entirely different from 1x1; 2x1 where both tiles have OBSTACLE needs to build an impassable wall on one of the diagonals so you can't slip between the OBSTACLE tiles when they're rotated at angle

So I think it's to be expected 2x1 and larger size can't pass some diagonals, it's one of the tradeoffs of doing fake parts over BNs solution

[FayFlightee]

Here's one with similar issue. This one is vehicle welding rig cart, and it just doesn't work.

[FayFlightee]

Or this. This one the fake part is even OVER a normally impassable tile (on top of metal locker).

[FayFlightee]

New issue found, this seems to be specifically affecting the diagonal direction from bottom left to top right. The other diagonal line doesn't trigger the fake vehicle part... for whatever reason.

EDIT: and even more jank found when you have SECOND 1 tile vehicle. When you move one horizontally or vertically, there's actually a fake tile BEHIND the vehicle, making you unable to grab and drag the other one through an otherwise empty tile you can just walk through.

[stale]

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