I'm having trouble figuring out how to use the SWIG pointer types that
some sdljava methods return. To get the equivalent of C
SDL_GetKeyState() call, I'm calling SWIG_SDLEvent.SDL_GetKeyState(),
which returns a SWIGTYPE_p_unsigned_char.
I've used SDL in C/C++ programs, where I'd normally use
SDL_GetKeyState() in code like this:
Uint8 *ks = SDL_GetKeyState(NULL);
if ( ks[SDLK_UP] ) { /* handle Up key */ }
... where the SDL keystate values like SDLK_UP index into an array.
However, the following Java code:
SWIGTYPE_p_unsigned_char ks = SWIG_SDLEvent.SDL_GetKeyState(null);
if ( ks[SDLKeyValues.SDLK_UP] != 0) { /* handle Up key */ }
results in the compiler error, "The type of the expression must be an
array type, but it resolved to SWIGTYPE_p_unsigned_char."
What I want to know is, after calling SWIG_SDLEvent.SDL_GetKeyState(),
how do you use what it returns to inspect the state of the individual
keys?
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