Speeds

m4rek · Post by **m4rek** » 05 Oct 2006 09:25

I was wondering if it would be possible to code planes to slow down on approach to an airport to increase realism (same for take-off)

I was also wondering if it would be possible to introduce train braking graphics (ie sparks flying)

as well as that, would it be possible to stop trains crashing at really low speeds (i think in real life two trains coming towards each other [or one coming towards a stationary train] that they would stop)

Post by **WWTBAM** » 05 Oct 2006 09:28

there is a grf set that makes planes slow down upon landing.

m4rek · Post by **m4rek** » 05 Oct 2006 09:33

does it actually slow them down on approach?

Post by **PikkaBird** » 05 Oct 2006 09:41

M4rek wrote:I was wondering if it would be possible to code planes to slow down on approach to an airport to increase realism (same for take-off)

This is already possible, thanks to Lakie and StevenH. Callback 36 property 0C for aircraft is checked every time the aircraft's movement state changes, and changes only the actual speed of the aircraft, not the "top speed" in the info window.

I was also wondering if it would be possible to introduce train braking graphics (ie sparks flying)

TTD trains don't actually "brake", so no, it's not possible with the current train movement system.

as well as that, would it be possible to stop trains crashing at really low speeds (i think in real life two trains coming towards each other [or one coming towards a stationary train] that they would stop)

That doesn't sound very likely - if it were possible at all, it would require a huge amount of patchwork to the way trains work, for practically no benefit (since most people would rarely if ever have two slow trains approaching a crash). If this does ever happen, I imagine it will be a side-effect of, eg, better braking behaviour for trains generally (which again, I stress, is not likely to happen - it's been suggested many times before).

Post by **PikkaBird** » 05 Oct 2006 09:41

M4rek wrote:does it actually slow them down on approach?

Yes, it does.

m4rek · Post by **m4rek** » 05 Oct 2006 09:46

PikkaBird wrote: (since most people would rarely if ever have two slow trains approaching a crash).

well, i think that it could happen...

most likely if you have a large blockup due to a fault in a large network and you accidentaly tell the wrong train to ignore signal or there isnt a signal where you thought there was one and tell the train ignore signal...and such similar circumstances

and, YES, it has happened to me...

Post by **Dave** » 05 Oct 2006 15:38

Listen to Pikka, m4rek. He makes sense.

m4rek · Post by **m4rek** » 05 Oct 2006 19:53

ok, you make sense, we all know that...

so, would it be possible to change (almost completely, by the looks of it) how trains move?

i mean, yes, it would require quite a bit of patch work. but it would bring benefits, realistic train movement and such...wouldnt that be nice?

how about we get a poll and see how many people want it, and then the patchdevs come in and say "if you want it done, go ahead and be my guest"

Patchman · Post by **Patchman** » 05 Oct 2006 20:30

The problem isn't how trains move.

The problem is that they don't know where they will move, they only choose their path one tile at a time. So they don't know in advance if they have to brake or not.

And of course, changing that will be an awful lot of work.

m4rek · Post by **m4rek** » 05 Oct 2006 20:32

how about giving them the foresight of two squares? this would allow them to know when to brake (and braking graphics, plus maybe avoid low speed collisions). and that might require less work than completely changing trains

Patchman · Post by **Patchman** » 05 Oct 2006 20:49

It's irrelevant what number of tiles you change the trains to look ahead, two, four, sixteen. The amount of work required is the same, namely that to make the trains look ahead at all.

So, basically, I won't stop you if you want to implement it but don't expect anyone else to do it.

Trust me that if this were in any way easy to do with little work, I would've done it years ago.

aahz77 · Post by **aahz77** » 05 Oct 2006 21:22

Besides realisitc "look-ahead" braking, could it be possible to realistically stop a train? I mean, when I stop a train that's at full speed manually, it is stopped instantly at its current position. This would have a much more realistic feel if it had to brake down as it would do in a station where it stops regularly / automatically.

wallyweb · Post by **wallyweb** » 05 Oct 2006 22:52

Just a question while we are on the subject of slowing trains down.
The patch allows a train to slow down at level crossings.
Can this code be applied to a non crossing track tile?
The concept I see is perhaps through the CTRL or ALT keyes to enable the laying of a "reduced speed zone" stretch of track.

m4rek · Post by **m4rek** » 06 Oct 2006 07:07

M4rek wrote:and then the patchdevs come in and say "if you want it done, go ahead and be my guest"

no comment

michael blunck · Post by **michael blunck** » 06 Oct 2006 07:20

> The patch allows a train to slow down at level crossings.
Can this code be applied to a non crossing track tile?

AFAIR, Oskar had developed such a feature years ago but nobody seemed to be interested in it then (well, except myself).

regards
Michael

eis_os · Post by **eis_os** » 06 Oct 2006 07:47

However the room for speed limit signs is now used by different patch features and can't be used. And I doubt I would find that specific code in the Gigabytes of old versions I have easily....

SuperTycoon · Post by **SuperTycoon** » 06 Oct 2006 15:08

eis_os wrote:However the room for speed limit signs is now used by different patch features and can't be used. And I doubt I would find that specific code in the Gigabytes of old versions I have easily....

But it is possible?

I certainly would be in favour of this making a feature, if you have a few spare moments to dig this up, then go for it

Raichase · Post by **Raichase** » 07 Oct 2006 00:41

M4rek wrote:
M4rek wrote:and then the patchdevs come in and say "if you want it done, go ahead and be my guest"
no comment

God, that line makes me VERY mad. I STRONGLY suggest you apologise. The patchdevs are not your slave, and it doesn't matter if the entire community wants something, it doesn't make it any harder on them, or any more impossible to achieve (I'm sure everyone wants big maps, but thats just not possible).

Thats why you need to APPRECIATE how much hard work goes into this, so that selfish people like you can have fun.

So, I would suggest apologising for your very rude, "look a gift horse in the mouth and then kick it in the crotch" comments, before alienating yourself from the entire community.

Because, you immediatly lost a lot of respect from me...

m4rek · Post by **m4rek** » 07 Oct 2006 10:55

ooops, i hate it when i say one thing wrong and suddenly everybody hates me...

you dont by anychance think that i knew what the response would be because i know just how busy patchdevs are. patchdevs are always working on something and therefore most likely wont go for anything that requires a huge amount of work or are unbelievably good. this idea is neither. personally, i thought it was quite funny at the time...i guess noone shares my sense of humour

I sincerely apologise to anyone i may have offended or angered

and meanwhile i will hide in the nearest nuclear bunker while rai calmes down

Raichase · Post by **Raichase** » 07 Oct 2006 11:41

M4rek wrote:and meanwhile i will hide in the nearest nuclear bunker while rai calmes down

You best be playing nice, and watching what you're saying in future... Lots of people can be offended by words which others think are funny. I've been here, seen it before.

So think before shooting your mouth off at anyone else again.

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