I just want to post this so others can benefit from it.
I have this problem in my games where if I use the auto-explore, even with mods that try to fix it (they unfortunately dont), my scout ships will wander off in certain zones 1000km from center (I had one scout ship completely across the neighboring zone! it still said he was in zone X when he was on the other side of zone Y! still scouting!).
This appears to be a problem with the boundaries of certain sectors or something. Not sure.
However, if you scout more of a zone, then that zone "expands" - it stores more info in your save file - in memory - and lags your game.
Basically the more of the map that is "explored", the more lag.
This not only lags your map view, but general gameplay.
I am talking about issues like this post here:
https://steamcommunity.com/app/392160/d ... 797549098/
or a direct picture:
https://steamuserimages-a.akamaihd.net/ ... D9B3A8B97/
If you have this, then you found the right place.
I found in the save file the location of all the stored map explored data.
I got a linux tool to delete it all, and its all quite simple.
NOTE: This WILL delete all your explored map, so once you load the game, you will only have vision of wherever you have sattelites.
NOTE: This WILL NOT delete sectors you have discovered. You will still see them, and all the stations in them that you have discovered, they will just be under a "fog of war".
If you are on windows you need to download "sed":
http://gnuwin32.sourceforge.net/packages/sed.htm
Then get a bash shell by downloading git:
https://git-scm.com/download/win
Steps:
1. Open git bash shell (its a command terminal unix style)
2. Use "cd" command to navigate to your save folder - EG:
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cd /c/Users/YOUR-USER-NAME/Documents/Egosoft/X4/THE-NUMBER-X4-USES/save
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gzip -dk save_001.xml.gz
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sed '/^<discovered>/,/<\/discovered>/d' save_001.xml > save_xxx.xml
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mv save_xxx.xml save_009.xml
What this does - it deletes all the "discovered" map data from your save file. Once the game loads, it will "rediscover" any map area where you have: 1) Ships, 2) Sattelites, or 3) Stations. The rest will be "undiscovered" and under the "fog of war".
This DRASTICALLY fixes game lag especially if you have uncovered way too much map via bugged out explorers.
Enjoy!