nitrpg: fix warnings

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

diff --git a/contrib/nitrpg/src/events.nit b/contrib/nitrpg/src/events.nit
index 2573a58..c540dc5 100644 (file)
--- a/contrib/nitrpg/src/events.nit
+++ b/contrib/nitrpg/src/events.nit
@@ -24,6 +24,7 @@ import game
 
 redef class GameEntity
 
+       # Register a new game event for this entity.
        fun add_event(event: GameEvent) do
                event.owner = self
                event.save
@@ -98,9 +99,9 @@ class GameEvent
        #
        # Used to load events from json storage.
        init from_json(game: Game, json: JsonObject) do
-               init(game, json["kind"].to_s, json["data"].as(JsonObject))
-               internal_id = json["internal_id"].to_s
-               time = new ISODate.from_string(json["time"].to_s)
+               init(game, json["kind"].as(String), json["data"].as(JsonObject))
+               internal_id = json["internal_id"].as(String)
+               time = new ISODate.from_string(json["time"].as(String))
        end
 
        redef fun to_json do
@@ -110,6 +111,7 @@ class GameEvent
                json["time"] = time.to_s
                json["data"] = data
                json["game"] = game.key
+               var owner = self.owner
                if owner != null then json["owner"] = owner.key
                return json
        end