PCSX2 Documentation/Code Formatting Guidelines: Difference between revisions
PCSX2 Documentation/Code Formatting Guidelines (view source)
Revision as of 17:14, 19 July 2015
, 19 July 2015→Topic Ex.2: Savestate Versioning
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While PCSX2 willfully makes no promise to retain backwards support for savestates, it is none the less a convenience for developer, tester, and user alike when we do. So when possible it is recommended that programmers making changes to the savestate code (normally denoted as a Freeze() function) be sure to increment the savestate version in Savestate.h and, if you know how, implement backward support for the old version (if not, then simply increment the savestate version and let someone else fix the backwards compatibility in a later revision). This allows PCSX2 to at the very least fail gracefully when encountering an unknown savestate, and ideally it allows for another coder familiar with the system to properly implement backwards compatibility with the older savestate revision. | While PCSX2 willfully makes no promise to retain backwards support for savestates, it is none the less a convenience for developer, tester, and user alike when we do. So when possible it is recommended that programmers making changes to the savestate code (normally denoted as a Freeze() function) be sure to increment the savestate version in Savestate.h and, if you know how, implement backward support for the old version (if not, then simply increment the savestate version and let someone else fix the backwards compatibility in a later revision). This allows PCSX2 to at the very least fail gracefully when encountering an unknown savestate, and ideally it allows for another coder familiar with the system to properly implement backwards compatibility with the older savestate revision. | ||
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