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News: Celebrating 30 years of Star Control 2 - The Ur-Quan Masters

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|-+  The Ur-Quan Masters Re-Release
| |-+  Technical Issues (Moderator: Death 999)
| | |-+  Questions about editing saved games
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Author Topic: Questions about editing saved games  (Read 1872 times)
Crowley
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Questions about editing saved games
« on: March 04, 2007, 10:45:23 am »

How can I change the date and the ships in my fleet using a hex editor? I would also be interested in knowing how messing about with the date would affect the game. Are events like Spathi slave shielding, Pkunk journey to Yehat and Kohr-Ah victory directly connected to the date or do they run on a separate timer?
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Novus
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Re: Questions about editing saved games
« Reply #1 on: March 04, 2007, 03:22:22 pm »

The best description of the UQM save format is probably the save source code in src/sc2code/save.c.

UQM maintains an event queue with date-stamped future events (src/sc2code/gameev.c and src/sc2code/clock.c). The dates are stored in an absolute format, so changing the date may cause events (such as those you mention) to be skipped or delayed.

I suspect that adapting the loader code will be easier than using a hex editor, due to the use of compression in the saves and the variable-length and optional sections in the saves.
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