Aircraft and Time compression

[codmander]

Doing my first full patrol at 1x tc Aircraft sightings have been 6 to 8 times more than when you tc There is something when time compressing your crew dosn't see them or they spawn more at 1x !! Air has never been for me this active --------------------------1x rules------------- Allthogh I have only been attacked twice by Air the air sightings have been ten fold:rock:

[FongFongFong]

Doing my first full patrol at 1x tc Aircraft sightings have been 6 to 8 times more than when you tc There is something when time compressing your crew dosn't see them or they spawn more at 1x !! Air has never been for me this active --------------------------1x rules------------- Allthogh I have only been attacked twice by Air the air sightings have been ten fold:rock:yes

the higher time compressions make it more likely for the aircraft generation phase to fail a test so you see less aircraft.

sorry I cannot find the post explaining the details right now, search not cooperating fully.

[Safe-Keeper]

>512=No aircraft.
Preferably, you should be at 256 or less.

[Jimbuna]

IIRC (using GWX) the higher TC still allows aircraft to spawn but less likely they'll spot you :arrgh!:

[codmander]

the buggers where waitin for me!!!!! p depth most of the day surfaced just to hear-AIRCRAFT MED RANGE LOL as they made swiss cheese and pepper out of my conning tower with their machine guns :o lesson 1 playin at 1x cruise deeper than p depth luckily noone was killed damage was keep to a minimun homeward leg should take 46 hours but running at 2knots looks like an extra day nightime approchs (((WHEW)) and friendlier waters ahead of me:up: Wilhelmshaven gets closer and closer:yep:

[Letum]

Aircraft spawn at high TC, the problem is that they miss the player. Here's the maths:

Units (Planes, ships, etc.) in the 3d world around the players boat have their positions calculated in real time. This does not change with TC settings.

Units Outside of the 3d world (about 32km away from your boat) units do not have their positions calculated in real time to save on CPU. It would be impossible to calculate the position of every single convoy, destroyer and plane constantly.

Insted the game works from the 2d map that mod makers will be familiar with. The game only updates a units position every "time step". If the unit's position falls within the 3d world round the u-boat the game will begin to calculate it in real time.

If it was possible to see a unit outside the 3d world you would see it move in jumps every time step. When you speed up TC these time steps do not speed up. This mean that the jumps these units make gets bigger.

If the time step happens every second, a aeroplane is moving at 1m per second will jump 1m every time step at 1xTC. At 2xTC it will jump 2m per time step. At x1024 TC it will jump 1024m. (numbers not accurate - I don't know how oftern the time steps are!)

The faster the unit's speed: The bigger the jumps are.
The higher the TC: the bigger the jumps are.

For a fast unit like a aeroplane the jumps get very big at high TC and the aeroplane can jump right past the 32km radius round the player's boat. Alto the planes path went right past the U-Boat, the computer never calculated it's position to be near the u-boat so the plane never got placed in the 3d world.
The computer and the player have no idea that a plane just passed them.



See this diagram. Each red dot represents a single position the aircraft was calculated to be in. The Yellow circle is the 3d world round the players u-boat.
http://www.b3tards.com/u/57a418c694bc7c6296b3/hightc2.jpg

[U56]

Thanks Letum, at last an explanation of how TC affects aircraft and spotting routines in this sim.

Regards

[HunterICX]

>512=No aircraft.
Preferably, you should be at 256 or less.

:nope: Nope, explain me how the Hell I got a Aircraft spotted at 512 TC and get 4 planes at the same Time attacking my Submarine (2 Fighters + 2 Bombers)
GWX btw


but even in stock travelling under 512 TC doesnt leave me Aircraft free.


maybe you see less planes but they will still be spotted going under 512x TC

HunterICX

[Letum]

You start to miss planes at x2 TC. Its possible that one will fly at the edge of the 3d world and get missed by the position calculateing system. Possible, but unlikely.

Its also possible that you will see a plane at x2048 TC if the planes foot step happens to fall in the 3d world zone. Possible, but unlikely.

Above x512 TC it is getting very unlikely that you will see a plane, but not impossible as HunterICX demonstrates.

Below x128TC it is getting very unlikely that you miss a plane.

[bigboywooly]

Yes - in previous discussions the actions of aircraft and other units have been likened to a rabbit
Hopping from 1 waypoint to the next
The faster the TC the bigger the hop
Now you can see aircraft\ships at high TC if at the end of a hop - lol - they are within your 3d world
Which is why sometimes the ship\plane is almost upon you by the time the game drops to 1 TC

At low TC the units are generated as they enter at the limit to your 3d world
Which is how you can spot them at 16 km away

[Hartmann]

Seems that 128 /256 tc is a good compromise between aircraft spotting and Tc.

i can´t play 1x patrols because i don´t have enough time and patience. :roll:
it means that one patrol could last months and not only a weekend

If the aircrafts speed are reduced could be spotted more at high TC ?? :hmm:

[mr chris]

The highest i go is 128 or 256 and i cant get away from the buggers and im in 39:o
You gotta love GWX:rock:

[codmander]

SO in fact you miss ships,planes and probly whole convoys by time compressing! sounds like a game ruining feature and should be done away with:arrgh!:


staring at the map room watching a dot ,a square and a line instead of a moonrise hmmm -------time compressors might as well play PONG LMAO --only kidding-- actully it is a great feature for the ""dead spots""

[Jimbuna]

Wouldn't exactly say it was 'game ruining'...let's just say playing at TC no higher than x256 means you miss less :cool: :up:

[Letum]

If the aircrafts speed are reduced could be spotted more at high TC ?? :hmm:


This is something I have benn thinking too. If it is possible to reduce the speed of aircraft to 7knots when they are going from waypoint to waypoint, but still have them move at the propper speed when they enter the 3d world then the problem would be solved!


Is this possible modders?

[clayton]

I agree that a fix should have happened! I just dont have the time to cruise around at 64X which is what I have to do during the day, much less 2X. I start to fall asleep!!! :lol: At night, I speed it up just to make some kind of head-way, but I'm probably missing out on 'Leigh light' aircraft. I have two kids and cant play a whole day, much less a weekend. AOD got aircraft right with slowing down the time; as far as I can remember... I hope this is fixed with SH4!

NSDQ

[bigboywooly]

Makes no difference IMHO if you lower aircraft speed
You would still see Sunderlands and Catalinas at high TC if it was as they are a lot slower than fighters and bombers

[TarJak]

There is a simple solution that I recently implemented using SH3Commander, I simply made 128TC the highest you can go. This way I don't miss much, but it does take a long time to cross the pond. It's all about compromises.

On shorter patrols I find it doesn't really impact the time taken to complete a patrol anyway. I like spending time taking sound checks for passing ships as I can hear a lot further than I can see.

I also don't see much lag as when I used to run at 1024 or higher TC when approaching a convoy or TF so I don't get much warning of them being spawned in my 3D sphere.

[bigboywooly]

If the aircrafts speed are reduced could be spotted more at high TC ?? :hmm:


This is something I have benn thinking too. If it is possible to reduce the speed of aircraft to 7knots when they are going from waypoint to waypoint, but still have them move at the propper speed when they enter the 3d world then the problem would be solved!


Is this possible modders?

Ummm no :rotfl:
They have a min speed as well as a max speed
At 7 kts they would be falling out of the sky
There is no way of knowing when may they enter your 3d world

[codmander]

What about weather? no change in the weather this whole 1x patrol just lucky?

[bigboywooly]

The weather changes in periods
One of the SH3 bugs is the time period resets when you save and reload
If you save when the weather is good then it will stay good for the next few days
Then you save again and it resets

As you play 1x the weather doesnt have chance to change before you save

Depending on the mod you are using the days till weather changes are around 6\7 days

IIRC the line - "WeatherRndInterval=6" controls this

This line is in all 3 campaign files - Scr\Rnd and Lnd

All 3 need to read the same

Try changing the settings to - say - WeatherRndInterval=0.3

Which SHOULD mean the weather changes every 8 hours - I think :rotfl:

Depends how long you play at a time for

I recommend only making the changes while in port just in case

[Letum]

SH3's weather system is terrible!
A few lines of simple maths could have got a really good equation for generating random weather, but the SH3 Devs didn't do this.
Instead we have a very basic random weather generator that favors extremely stormy and extremely calm weather too much.

Anyway, the random weather generation depends on game time and not system time.
That means you have just been lucky! :up:

Your unchanging weather is a problem with the way SH3 makes weather. The problem is that same at all TC levels.


*edit* Oh, yer - saving and loading the game is going to make the weather period reset like wooly said. If you are saving and loading the game more than once every weather period then the weather will never change.

[codmander]

bummer yea 1x save/exit/continue all the time --this is no good almost in port will give that file adjustment a trail run when i shut down got some new hardware to install also ---new fan-- :cool: I run 3 to keep her cool :up:

[its a viic]

I have my game setup so tc doesnt go any higher than 512. Doesnt seem to change anything. I know there are planes around when I hear depth charges/machine gun fire hitting my poor viic. ,, then the game slows down to 1tc. Dont get me started in rainy weather. never, never go over 64 tc in rain/fog.

[Jimbuna]

Dont get me started in rainy weather. never, never go over 64 tc in rain/fog.

Wise words :yep: :up:

[codmander]

The weather changes in periods
One of the SH3 bugs is the time period resets when you save and reload
If you save when the weather is good then it will stay good for the next few days
Then you save again and it resets

As you play 1x the weather doesnt have chance to change before you save

Depending on the mod you are using the days till weather changes are around 6\7 days

IIRC the line - "WeatherRndInterval=6" controls this

This line is in all 3 campaign files - Scr\Rnd and Lnd

All 3 need to read the same

Try changing the settings to - say - WeatherRndInterval=0.3

Which SHOULD mean the weather changes every 8 hours - I think :rotfl:

Depends how long you play at a time for

I recommend only making the changes while in port just in case



if i change it to=1" weather will change 24 hours?

[Letum]

if i change it to=1" weather will change 24 hours?

Yes, it will have a chance to change every 24 hours. Of course it might "change" to exactly what it was before, in which case you will see no change.

[bigboywooly]

Of course if you dont play for more than 24hours you will never see a change

[codmander]

tryed it with 1 only thing that changed was the wind direction and not every day :hmm: tc- 4 days


so it may chamge or it may not-- ok guesss ill leave it and see what happens on my next patrol

[Corsair]

You can try SH3 Weather... I use it and it gives a weather adapted to the time of your patrol (you even have a "Mediterranean" option ) Doesn't suppress storms though, I am in one since 5 days on the outskirts of the Bay of Biscay (around BF 47) Wind is turning but still blowing in the 30 knts... But it's November and I know the place IRL, that's no surprise...:D

[codmander]

You can try SH3 Weather... I use it and it gives a weather adapted to the time of your patrol (you even have a "Mediterranean" option ) Doesn't suppress storms though, I am in one since 5 days on the outskirts of the Bay of Biscay (around BF 47) Wind is turning but still blowing in the 30 knts... But it's November and I know the place IRL, that's no surprise...:D

set the starting weather to 15 windspeed ans set the interval at 1 (((tryed 0.3 but didnt see a change either i need to go back to port before change or it didnt read it as .03 just 3))) at least this starts me in more believable condition flat calm for a week is rare in any northen waters even in the summer

[Corsair]

I forgot to add that SH3 weather let you decide for random weather based on your patrol month or you can input yourself what you want. (I use random...)

[codmander]

I forgot to add that SH3 weather let you decide for random weather based on your patrol month or you can input yourself what you want. (I use random...)



weather file? location? dont see a weather file in there

[Corsair]

It's a program called SH3 Weather...;)

[codmander]

yea but where is it located c/program files/ubi/ sh3/weather?


mission editor your can change weather every 2 hours

[Corsair]

How can I explain it... :D
It's a program you have to download and it's a zip file with the readme inside...
If you don't find it, send me a pm with a mail address I can send it, it's around 300 k if I remember.

[codmander]

How can I explain it... :D
It's a program you have to download and it's a zip file with the readme inside...
If you don't find it, send me a pm with a mail address I can send it, it's around 300 k if I remember.


i got ya ok!! thats sounds like what i am lookin for :cool: dont have that yea zip it over to me codmander@comcast.net hope you got cable


meanwhile in the mission editor they use an -h- in the weather change for hours 5h being 5 hours i will also try that in campaign folders:hmm:

[spana]

How can I explain it... :D
It's a program you have to download and it's a zip file with the readme inside...
If you don't find it, send me a pm with a mail address I can send it, it's around 300 k if I remember.

Hi Corsair, this is my first post here in this beautiful forum. I've been following all the post for information so happened that I've got problems with weather too.

So could you also send the SH3 Weather zip file to me as I think I need it too. my email yuzrizal@yahoo.com :up:

[Letum]

http://www.subsim.com/radioroom/showthread.php?t=88063&highlight=weather

You will find download mirrors in this topic. You may have to look further than the first page.

Welcome to the forum spana (http://www.subsim.com/radioroom/member.php?u=229207) !

[Corsair]

@ codmander and spana :

Mail with file sent to both of you.

Gute Jagd !

[Jimbuna]

Welcome aboard spana :arrgh!:

[codmander]

@ codmander and spana :

Mail with file sent to both of you.

Gute Jagd !



cool thanks :arrgh!:

[spana]

@ codmander and spana :

Mail with file sent to both of you.

Gute Jagd !

Thanks man. :up:

[spana]

Welcome aboard spana :arrgh!:

Thanks Jimbuna. I'm currently in my first patrol near Scapa. Already downed 3 ships (2 merchant/1 DD), but got stuck in the net while trying to sneak into scapa flow :oops::damn: hehehe...

I'm using GWX loaded thru SHCommander 2.7 with SH3 Weather (thanks again corsair)

[Sensekhmet]

Does SH4 suffer from the same drawbacks as SH3 (meaning skipping objects in TC and simplistic weather)? Bear with me, this is the 3rd time I'm asking about this on this forum. At the moment I'm running SH3 at 128 max TC and having the same weather throughout the patrol. This is a real pain :damn:

[Jimbuna]

Thanks Jimbuna. I'm currently in my first patrol near Scapa. Already downed 3 ships (2 merchant/1 DD), but got stuck in the net while trying to sneak into scapa flow :oops::damn: hehehe...

I'm using GWX loaded thru SHCommander 2.7 with SH3 Weather (thanks again corsair)

Enjoy the GWXperience http://www.psionguild.org/forums/images/smilies/wolfsmilies/thumbsup.gif

[Sensekhmet]

I'm going to buy SH4 and U-boot Missions today (probably), but it amazes me that no one answered my question. Does no one know the answer or am I on some sort of ignore list? :hmmm:

[Jimbuna]

I'm going to buy SH4 and U-boot Missions today (probably), but it amazes me that no one answered my question. Does no one know the answer or am I on some sort of ignore list? :hmmm:

It's possibly because your asking a question about SH4 on an SH3 thread :hmmm:

Perhaps those that have read this thread don't have or play SH4 or at the very least, if they have both they might play SH3 predominantly.

I'd suggest you post your question over on the SH4 boards :up: