Flying portal balls now spawn a few spark effects
This has been adapted from PortalEffects from HedgeEditor.
HedgeEditor already included such effects for some reason, so they have been removed as redundant.
void fpcrtl_halt(int num) {
__coverity_panic__();
}
int fpcrtl_abs(int num) {
return num >= 0 ? num : -num;
}