[Bugsy]

I'm struggling to find the benefit/reason for a bit-sum here, you could use a global integer for this, as fysiks suggested. An integer would always only cost 32 bits of memory, where if you want to expand your bit-sum over 32 bits, you are immediately moving to 64-bits, more memory than what just an integer would use. Not that a few bytes of memory consumption would make or break your plugin, but it would be simpler the integer way since you do not need to use the bit operators.

new EnumName:g_enRoundType;

g_enRoundType = R_NONE;
g_enRoundType = R_TYPE55;