proto3 initial commit

proto3/godot/ai/has_weapon.gd

@@ -0,0 +1,9 @@
+extends BTCondition
+class_name BTHasWeapon
+
+func tick(tick: Tick) -> int:
+	assert(tick.actor.has_meta("weapon"))
+	var objmeta = tick.actor.get_meta("weapon")
+	if objmeta:
+		return OK
+	return FAILED