Difference between revisions of "Advanced Engine Features"

Advanced Engine Features (view source)

3 bytes removed , 18:26, 16 October 2010

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 '''How to implement it'''<br>
-	Unlike to the other features presented above, this is an ability of your Engine subclass, not of MetaEngine. First thing, you have to advertise the abilities of your engines with the appropriate engine feature flags. You can implement only loading, or only saving, or both.
+	Unlike the other features presented above, this is an ability of your Engine subclass, not of MetaEngine. First thing, you have to advertise the abilities of your engines with the appropriate engine feature flags. You can implement only loading, or only saving, or both.
 Next, for each of the two, you have to implement two Engine methods (so up to four). We focus on adding loading support here: For that, first implement Engine::canLoadGameStateCurrently(). This method should only return true if loading a savestate is possible right now. If this is always possible, just always return true. But if loading is not possible at some points, say while a cutscene is playing, make it return false at these times.