On 6 Aug 2009, at 17:48, Martin Kalbfuß wrote:
Some functions belong clearly to an object, like the bitmap
functions for
example. But I don't know whhere to put functions like SDL_init.
Should I
create a library object or system object or something?
The best place for things like this is inside a +initialize method.
On some object wrapping global SDL state, add this method:
+ (void)initialize
{
// Protect from calls by subclass
if (self != [SDLState class]) return;
SDL_init();
// Any other library initialization that you need.
}
This method will be called exactly once the first time the SDLState
class receives. In order to instantiate the class, you send it an
+alloc (or similar) message, so this will be called before the first
time you create an instance of the class.
David
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