/* ---------- EXPLOSION_PROOF ------------------------------------------ */
if (i == EL_FLAMES)
SET_PROPERTY(i, EP_EXPLOSION_PROOF, TRUE);
else if (engine_version < VERSION_IDENT(2,2,0,0))
SET_PROPERTY(i, EP_EXPLOSION_PROOF, IS_INDESTRUCTIBLE(i));
else
/* ---------- EXPLOSION_PROOF ------------------------------------------ */
if (i == EL_FLAMES)
SET_PROPERTY(i, EP_EXPLOSION_PROOF, TRUE);
else if (engine_version < VERSION_IDENT(2,2,0,0))
SET_PROPERTY(i, EP_EXPLOSION_PROOF, IS_INDESTRUCTIBLE(i));
else