// To initiate the adventure
private async void Start_Clicked(object sender, EventArgs e)
{
Start.IsEnabled = false; // disable the button to avoid multiple clicks.
actIndicator.IsRunning = true;
await App.isNetworkAccess();
if (adventure.waypointID == null) // handle error when no starting waypoint found
{
actIndicator.IsRunning = false;
await DisplayAlert("Error", "Could not find the stating waypoint! This adventure is current unavailable or under development.", "Cancel");
Start.IsEnabled = true; // enable the button.
return;
}
session = await SessionLogic.GetSession(App.myTeam.teamID, adventure.adventureID);
if (session == null) //this is the first time the team is playing this adventure
{
await SessionLogic.PostSession(adventure); //create a new session for this adventure and team
session = await SessionLogic.GetSession(App.myTeam.teamID, adventure.adventureID);
}
else
{
actIndicator.IsRunning = false;
bool sng = await DisplayAlert("Warning", "Starting new game will cause your past save of this adventure be removed!", "Start new game", "Cancel");
if (sng == true)
{
actIndicator.IsRunning = true;
//Reset game state
await SessionLogic.PutSession(App.myTeam.teamID, adventure.adventureID, adventure.waypointID.Value);
session = await SessionLogic.GetSession(App.myTeam.teamID, adventure.adventureID);
}
else
{
Start.IsEnabled = true; // enable the button.
return;
}
}
Waypoint wp = await WaypointLogic.GetWaypoint(session.WaypointID);
App.atWaypointID = session.WaypointID;
App.atAdventureID = session.AdventureID;
App.reachableWaypoints = await AdventureMapLogic.GetAdventureMap(App.atWaypointID);
App.getLocation();
actIndicator.IsRunning = false;
Start.IsEnabled = true; // enable the button.
await Navigation.PushAsync(new StoryPage(adventure.title, wp));
}
protected async override void OnAppearing()
{
base.OnAppearing();
await App.isNetworkAccess();
session = SessionLogic.GetSession(App.myTeam.teamID, adventure.adventureID).Result;
if (session == null) //this is the first time the team is playing this adventure
{
Continue.IsVisible = false;
Grid.SetColumnSpan(Start, 2);
}
else
{
Continue.IsVisible = true;
}
}