Dev Demo 2

* Ajout des achievement Steam
* Ajout d'une annonce à la récupération d'un artefact et ajout de textes axplicatifs sur les annonces d'artefacts et de mutation
* Fix du léger glitch des tooltips
* Ajout de clarté sur la machine de respawn dans le vaisseau

common/steam_connection/steam_connection.gd

@@ -1,16 +1,18 @@
 extends Node
 
-const APP_ID = "4452760"
 
-func _init():
-    OS.set_environment("SteamAppID", APP_ID)
-    OS.set_environment("SteamGameID", APP_ID)
+const ACH_SPIN_PLANET="STW_SPIN_PLANET"
+const ACH_FINISH_TUTORIAL="STW_FINISH_TUTORIAL"
+const ACH_MEET_DEMETER="STW_MEET_DEMETER"
+const ACH_UNLOCK_ALL_MUTATION="STW_UNLOCK_ALL_MUTATIONS"
+const ACH_KICK_YOUR_OLD_BODY="STW_KICK_YOUR_OLD_BODY"
+const ACH_MERCURY_BASE="STW_REACH_MERCURY_BASE"
+const ACH_REACH_VENUS_BASE="STW_REACH_VENUS_BASE"
 
-func _ready():
-    Steam.steamInit()
-
-    var is_running = Steam.isSteamRunning()
-
-    if !is_running:
-        printerr("Steam is not running")
-        return
+func unlock_achievement(achivement_name : String):
+    if Steam.isSteamRunning():
+        var status = Steam.getAchievement(achivement_name)
+        print("Steam Achievement %s" %achivement_name)
+        if status.ret and not status.achieved:
+            Steam.setAchievement(achivement_name)
+            Steam.storeStats()