Originally Posted by XenonSurf
It's important to note that SH4 was written for 30 FpS. That's important for synchronizing the game's clock for the weather and other game related time factors when you play. Here is an extract of the FOTRSU 'stable game' PDF tips:
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4. Time-of-day was an issue that has been known for a while, and some folks even knew of its roots and cause, but most folks do not want to pay attention to it. Ignore it at your own “peril”. But the game was written in the DirectX v9.0c days, to run on Windows XP, and as such is basically a 30fps game.
Most computers back in March of 2005 when Silent Hunter III was released (older brother of the SH4 game), were hard-pressed to attain that threshold, unless the latest / greatest hardware was used. As more ‘modern’ equipment, OSes and games have come out, the “holy grail” of gaming has been “the more fps, the better”, so that gameplay is “smoother”. Silent Hunter 4 however, is written to run at 30fps. If you exceed that, or (heaven forbid) cannot reach that, the game’s clocks will not “sync” properly, and will drift apart from each other. If you have a 60Hz display, and an nVidia graphics card (except maybe the newest series), you can use the nVidia Inspector to set your card to “Half frame rate”. In other words, 60Hz divided by two equals 30fps. Otherwise, the use of “antilag” can help – after some trial-and-error – get you close enough to 30fps. Having the “clocks” of the game in-sync with the graphics adapter will keep the daytime light, and the nighttime dark. In FotRSU, with CapnScurvy’s work on the sun and moon, will allow for proper lunar cycles, and maybe even some semblance of “real” navigation, if desired.
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This may easily apply to other mods too. I use MSIAfterburner to set a framecap, you can also use NVidia Inspector which is very good too. But as said, VSynch ON means a cap that corrisponds to your monitor HZ value, so you need further tweaking like "Scanline Synch" in MSIAfterburner or someting corrispondent in NV Inspector to reach 30 FpS with Vsynch ON. Currently I'm playing very fine with 60 FpS stable, but this will maybe cause time synch problems in the game afterwards, I have yet to see that and correct if necessary.
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