Cities: Skylines

Cities: Skylines

111 ratings
Check Road Access for Growables
File Size
0.121 MB
Apr 11 @ 12:02pm
May 24 @ 5:53am
2 Change Notes ( view )

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Check Road Access for Growables

Mod Version: 1.1.0
Compatible Game Version: 1.13.3-f9
Code by: egi
Dependencies: Harmony

New in 1.1.0
Road access check is now also performed during plopping of growables, which should help if you use Building Anarchy and friends. A huge shout-out to LemonsterOG who found the issue and helped me analyzed and fix it.

Short Description
Helps you find the cause for service vehicle "flickering" when service buildings stop to function because they can't send out service vehicles due to disrupted road access for growables and RICO buildings.

Maybe not for you!
In case you don't use "Plop the Growables", "RICO" or something similar, and you have never seen the issue with the flickering service vehicles not leaving the service building, this mod is probably not for you.

Long Description
This mod is part of a bigger solution to fix the issue when some service vehicles refuse to leave the building and effectively stop to function while blocking other service building from taking over. As a symptom you'll see the service vehicle numbers flicker in the building tooltip.
This can cause a total breakdown of whole districts while making it difficult for the player to see the reason.
The actual cause is that the game can't determine a path from the service building the target building.
This can have two reasons.

1. The service or the destination building does not have road access. This is handled by default with a method that check if a ploppable building has road access. This is done during plopping and for all buildings in proximity if you modify the road. Growables on the other hand don't have this method since they are tied to the grid which itself is tied to the road. In normal non modded gameplay you will therefore only ever run into the issue if you plopp freely and provide no road or if you demolish a road that provides to road access to a plopped building. In all cases the game will mark the building with a "No Road Access" problem icon.

2. Both the service building and the destination building have road access but no valid path between the two exists.
This is not in the scope of this mod.

Mods change that situation though.
MoveIt allows you to move buildings and roads freely.
Plop the Growables, Building Anarchy and friends allow growables to be placed outside of the regular zone grid constraints and stay there.
RICO allows you to convert ploppables to behave like growables in certain ways.
TM:PE affects pathfinding and everything else that happens on the road.

1. I provided a minor adjustment to MoveIt which is now part of the released version and forces a recheck of road access if buildings are moved. This fixes the issue for ploppables when you move them around since you will immediatelly get the "No Road Access" icon when you disrupt the road access.

2. This mod extends the same mechanism the game uses for ploppables to growables.
Moving growables or roads that are connected to growables will now also immediately give you the "No Road Access" icon so that you can see and fix the issue.

For existing savegames there is a button in the options menu to trigger a recheck for all buildings (ploppables and growables). This is normally only interesting to do once for each savegame. After you have found and fixed the issues the change to MoveIt should be enough to take you from there.

The performance impact of this mod seems to be pretty small, at least on my computer. Please contact me if your experience is different. I tried to measure the performance impact but could not get any significant numbers that I could separate from regular run to run variance.


Popular Discussions View All (1)
Apr 13 @ 12:13pm
first impressions
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YUMBLtv Sep 13 @ 12:24pm 
Brilliant idea. I just audited all my buildings manually, but this would save a ton of time! Use if your service vehicles wont spawn!
[T.N.C] MiewMiew Sep 11 @ 6:46am 
@egi which one is the button?
Darkangel Sep 10 @ 9:04pm 
unsubbed didn't help me at all.
egi  [author] Sep 8 @ 12:22pm 
if its a "park building" stuff is handled via the main building of the park.
if its a supported building maybe you can use the Parkify mod and convert the building.
Gnith Sep 8 @ 12:09pm 
the goal is to have a few Functional buildings that are farther from a road - perhaps having Path Access
Obviously .. or perhaps not obviously ... the idea is to have functional buildings in my park without vehicles driving through the park
egi  [author] Sep 8 @ 11:34am 
@Gnith I don't understand how you want the game to send vehicles there.
if you just want an optical building without any function you can convert it to PO or something.
the alternative is to use invisible roads or something.
egi  [author] Sep 8 @ 11:30am 
@[T.N.C] MiewMiew
sub, enable and watch out for those road access icons if you build or move stuff.
for existing stuff you can press the button in the options.
Gnith Sep 8 @ 11:14am 
Is there a mod that satisfies the "Road Access Check" for buildings that I want to be far from a road? For example in Large Wilderness Preserve Parks ??
Darkangel Sep 8 @ 4:42am 
I might use this now to work out why my park maintenance trucks or vans aren't coming out in fact only one truck for one particular park but the others it doesn't clean.
[T.N.C] MiewMiew Aug 1 @ 5:47pm 
how to use this?anyone please help me