added firebase and rudimentary leaderboard support

addons/godot-firebase/auth/user_data.gd

@@ -0,0 +1,44 @@
+## @meta-authors TODO
+## @meta-version 2.3
+## Authentication user data.
+## Documentation TODO.
+@tool
+class_name FirebaseUserData
+extends RefCounted
+
+var local_id : String = ""           # The uid of the current user.
+var email : String = ""
+var email_verified := false          # Whether or not the account's email has been verified.
+var password_updated_at : float = 0  # The timestamp, in milliseconds, that the account password was last changed.
+var last_login_at : float = 0        # The timestamp, in milliseconds, that the account last logged in at.
+var created_at : float = 0           # The timestamp, in milliseconds, that the account was created at.
+var provider_user_info : Array = []
+
+var provider_id : String = ""
+var display_name : String = ""
+var photo_url : String = ""
+
+func _init(p_userdata : Dictionary):
+    local_id = p_userdata.get("localId", "")
+    email = p_userdata.get("email", "")
+    email_verified = p_userdata.get("emailVerified", false)
+    last_login_at = float(p_userdata.get("lastLoginAt", 0))
+    created_at = float(p_userdata.get("createdAt", 0))
+    password_updated_at = float(p_userdata.get("passwordUpdatedAt", 0))
+    display_name = p_userdata.get("displayName", "")
+    provider_user_info = p_userdata.get("providerUserInfo", [])
+    if not provider_user_info.is_empty():
+        provider_id = provider_user_info[0].get("providerId", "")
+        photo_url = provider_user_info[0].get("photoUrl", "")
+        display_name = provider_user_info[0].get("displayName", "")
+
+func as_text() -> String:
+    return _to_string()
+
+func _to_string() -> String:
+    var txt = "local_id : %s\n" % local_id
+    txt += "email : %s\n" % email
+    txt += "last_login_at : %d\n" % last_login_at
+    txt += "provider_id : %s\n" % provider_id
+    txt += "display name : %s\n" % display_name
+    return txt