Yeah, I've already searched "ZoneDamage" and here is where I'm at:
http://gyazo.com/2b53fd537ec32dc950a...png?1344403193
http://gyazo.com/2b53fd537ec32dc950a...png?1344403193

bool nozonedamage = true;
#define ZoneDamage 0x33A454
DWORD BugDamage = *(DWORD*)(Cshell + ZoneDamage);
if ( nozonedamage )
{
if ( BugDamage )
{
*(float*)(Cshell + BugDamage) = 0.0f;
}
}