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After Dark, the first big expansion for Cities: Skylines, has many new features, but the most notable one is the day and night cycle. Taking the cities from daytime to night is not as simple as one might think. While the change from day to night is visually stunning, there's much more going on under the hood. Each and every building in the game received a new texture layer to have the windows light up nicely. In addition there are new lighted signs, neon signs and other lights to make the city look interesting during the night. The sun rises and sets, painting the sky with bright colours, you can see the moon and stars move across the night sky.

r0dobVI.png


The city simulation changes during the night to make sure the night time feels like a night should. Citizens go out less and prefer to stay indoors. Only a few go to work, to simulate a night shift. The people who do go out, choose destinations that have to do with having fun and spending time with friends. When there are not as many private vehicles on the roads as during the day, service vehicles can move more freely. The separate night time budget allows you to adjust how active services are during the night and day. To get the most out of the quiet night time, you can set garbage trucks to operate mostly during the night, or have hearses pick up bodies at an increased rate.

One big change during night is that crime increases. With the cover of the night criminals are more active and more police are needed to keep the city safe. This can easily be done with the night time budget: raising the budget allows police stations to have more vehicles in use and thus they can work more efficiently.

ecmnI9K.png


When traffic is less intense during the night, it also helps to identify problem areas in the road network. As traffic jams lessen, the real problem areas are easier to spot and the quiet night is the perfect time to alter roads and create new ones. This ebb and flow of traffic will make the city feel more alive and add a whole new element of trying to cater for both the quiet times and the busiest times. New options for public transportation allow you to choose if the lines are active during the day, night or both. Creating bus lines that serve the needs of citizens only during the night, when their destinations are different from the day, is possible and a very good strategy.

fM3Vp43.png


All in all the night time creates new challenges and changes the way traffic behaves to alter the way the city works. We want to create more variation to the game and make the cities feel alive, with ever-changing needs and a constant, but changing, stream of citizens traveling to their desired destinations. Night looks awesome and we are currently balancing it to feel equally awesome!

Karoliina Korppoo

Lead designer on Cities: Skylines
 

ghostbirdofprey

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CO, please:
PLEASE CONSIDER interior mapping to your buildings, as it can improve the looks a lot especially during night time, where the exterior is darker and we should be able to get better glimpses on what is inside the houses. It is inexpensive in that it does not require actual geometry to create the illusion of depth in windows.
Given the number of objects drawn to the screen, that may be a bit too computationally intensive.
As good as it might look, Cities Skylines does still need to run on a wide range of machines including less powerful ones. it may also not be worth the time since players spend most of the time zoomed out too far to actually notice the effect much.

Granted it's something that could be turned on or off based on draw distance and render quality settings, but I'd just as soon not have the devs spend their time working on eye-candy of limited scope.
 
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Eldrarak82

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This looks great, but I have a concern regarding mods. Will the changes to the traffic and pedestrian behaviour due to the day/night cycle break most mods which modify traffic patterns and traffic pathfinding? Will user created assets leave giant dark spots all throughout my city where I have used those assets?
 

Zed68

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This looks great, but I have a concern regarding mods. Will the changes to the traffic and pedestrian behaviour due to the day/night cycle break most mods which modify traffic patterns and traffic pathfinding? Will user created assets leave giant dark spots all throughout my city where I have used those assets?

I think traffic mods won't be too affected, it's the amount of cims taking their cars or driving trucks etc that'll change, not the way they'll drive.

As for the custom buildings. Yeah they'll leave dark spots... until they're updated with nightlights.
 
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charlesnew

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And shooting stars ?

Even though shooting stars would be cool, You wont really see any in a city at night because of light pollution. Maybe for maps which have almost no buildings, it could be like this.

In fact, this could be a thing. When you start a map, and have very little buildings in, you can see lots of stars and some shooting stars. As the city gets bigger, light pollution blocks them and you can't really see them anymore.

That's something for the future, though.
 
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Greygor69

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NovaPaddy raised a good point in another thread.

As the Day Night cycle will change how traffic works (at least that's as I understand it) will there be an ability to turn it off for those users who have been working on a current city, often for many hours, that is working with the current model.
 

Brazilian Joe

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Given the number of objects drawn to the screen, that may be a bit too computationally intensive.
As good as it might look, Cities Skylines does still need to run on a wide range of machines including less powerful ones. it may also not be worth the time since players spend most of the time zoomed out too far to actually notice the effect much.

Granted it's something that could be turned on or off based on draw distance and render quality settings, but I'd just as soon not have the devs spend their time working on eye-candy of limited scope.

I beg to disagree. SimCity 2013 already had it in a 32-bit engine chock-full of bugs. THe technique itself is inexpensive by design. LOD can disable it at larger distances to preserve resources further as well. IMO The hardest part would be to turn the windows into a 'diegetic UI' of sorts which correctly display agent state.
 

SimonJM

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This expansion is going to catapult CSL to another dimension! It'll cement it as being the best city builder ever made (if it wasn't already).

I do hope that adding lights to custom assets is fairly easy because I have lots of incredible assets that I hope get updated.

And yes the occasional shooting star would be icing on the cake. Probably isn't a high priority at this stage but would be very cool. You can still see bright shooting stars in cities. At least you can in Sydney and Melbourne.
 

cRAGGLE

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Damn Brazilian Joe makes a great point! I think internal mapping is the problem I've had with all of the glass in the game in the first place I just never had the words for it haha

+1 for internal mapping!

Question: will the sky be moddable? I love me a pretty night sky..
 

Baleur

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Honestly i love that night time is coming to the game, but i really dont think it looks very good.
It looks so washed out and why are all the buildings gray, as if lit up by a ghostly fog?
I hope it is easy to mod it to be darker, and with the PostFX mod (which adds better bloom, glare effects when looking at reflective surfaces like windows from the right angle etc) it might look a whole lot better though.
Sim CIty 5 was terrible, but it did have very nice looking nights.
The night on the Tokyo map in CiM looked good too. But in CiM2 it also looked bad and washed out as here.
 

charlesnew

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Honestly i love that night time is coming to the game, but i really dont think it looks very good.
It looks so washed out and why are all the buildings gray, as if lit up by a ghostly fog?
I hope it is easy to mod it to be darker, and with the PostFX mod (which adds better bloom, glare effects when looking at reflective surfaces like windows from the right angle etc) it might look a whole lot better though.
Sim CIty 5 was terrible, but it did have very nice looking nights.
The night on the Tokyo map in CiM looked good too. But in CiM2 it also looked bad and washed out as here.

These are just beta screenshots. It's likely that it will be more polished when it comes out.

It brings me back before launch. I remember a lot of people (including me) really disliked the lighting of the temperate map. Without telling us, they changed it right before release, and it looks like what it is now. I quite like it, I'm glad they made the change.
 

Brazilian Joe

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I have been asking for interior mapping because at night time, the window contents become much more relevant. It has a greater impact on the quality of the visuals. the outdoors become less important and the indoors become more important.
 
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nick75

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Hello,
I can't wait to play with this expansion, it looks good.

But if it's not too late, I have suggestions you may consider, as to how to manage public transportation.
Give the option to keep active during the day and/or night for each:
  • bus line
  • metro station
  • railway station
  • metro line
This way it'll be easy to have daytime or night-time bus lines and 24-hour bus lines.
For metro and train services, we'll be able to keep only most used stations or lines active.

Thanks.
 
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