#define ITEM_TOUCH_NEEDKILL() (((trace_dpstartcontents | trace_dphitcontents) & DPCONTENTS_NODROP) || (trace_dphitq3surfaceflags & Q3SURFACEFLAG_SKY))
#define ITEM_DAMAGE_NEEDKILL(dt) (((dt) == DEATH_HURTTRIGGER.m_id) || ((dt) == DEATH_SLIME.m_id) || ((dt) == DEATH_LAVA.m_id) || ((dt) == DEATH_SWAMP.m_id))
-#define PROJECTILE_TOUCH if(WarpZone_Projectile_Touch()) return
+#define PROJECTILE_TOUCH(this) MACRO_BEGIN if (WarpZone_Projectile_Touch(this)) return; MACRO_END
#define CENTER_OR_VIEWOFS(ent) (ent.origin + (IS_PLAYER(ent) ? ent.view_ofs : ((ent.mins + ent.maxs) * 0.5)))