-void fireBullet(entity this, .entity weaponentity, vector start, vector dir, float spread, float max_solid_penetration, float damage, float force, float dtype, int tracereffects);
+void fireBullet(entity this, .entity weaponentity, vector start, vector dir, float spread, float max_solid_penetration, float damage, float force, float dtype, entity tracer_effect);