nitrpg: fix warnings

[nit.git] / contrib / nitrpg / src / achievements.nit

diff --git a/contrib/nitrpg/src/achievements.nit b/contrib/nitrpg/src/achievements.nit
index c1a8036..24fac20 100644 (file)
--- a/contrib/nitrpg/src/achievements.nit
+++ b/contrib/nitrpg/src/achievements.nit
@@ -113,7 +113,11 @@ class Achievement
        #
        # Used to load achievements from storage.
        init from_json(game: Game, json: JsonObject) do
-               init(game, json["id"].to_s, json["name"].to_s, json["desc"].to_s, json["reward"].as(Int))
+               init(game,
+                       json["id"].as(String),
+                       json["name"].as(String),
+                       json["desc"].as(String),
+                       json["reward"].as(Int))
        end
 
        redef fun to_json do
@@ -123,6 +127,7 @@ class Achievement
                json["desc"] = desc
                json["reward"] = reward
                json["game"] = game.key
+               var owner = self.owner
                if owner != null then json["owner"] = owner.key
                return json
        end