+
+.void(entity this) selftouch;
+void touch_self() { SELFPARAM(); this.selftouch(this); }
+#define settouch(e, f) (e.use = touch_self, e.selftouch = f)
+
+.void(entity this) selfuse;
+void use_self() { SELFPARAM(); this.selfuse(this); }
+#define setuse(e, f) (e.use = use_self, e.selfuse = f)
+
+.void(entity this) selfthink;
+void think_self() { SELFPARAM(); this.selfthink(this); }
+#define setthink(e, f) (e.think = think_self, e.selfthink = f)