Implement switching between user and builtin patterns

eos/saveddata/damagePattern.py

@@ -133,11 +133,17 @@ class DamagePattern:
         self.explosiveAmount = explosiveAmount
 
     @classmethod
-    def getBuiltins(cls):
+    def getBuiltinList(cls):
         if cls._builtins is None:
             cls.__generateBuiltins()
         return list(cls._builtins.values())
 
+    @classmethod
+    def getBuiltinById(cls, id):
+        if cls._builtins is None:
+            cls.__generateBuiltins()
+        return cls._builtins.get(id)
+
     @classmethod
     def __generateBuiltins(cls):
         cls._builtins = OrderedDict()