public void HandleAction(AUserAction action)
{
var spawned = PlayerDictionary.TryGetValue(action.Username, out var playerModel);
if (!spawned)
{
throw new UnspawnedException("Player must be spawned first!");
}
actionQueue.Enqueue(action);
}
/// <summary>
/// Add action to server action queue
/// </summary>
/// <param name="action">Action to be added</param>
public void RunAction(AUserAction action)
{
var spawned = PlayerDictionary.TryGetValue(action.Username, out var playerModel);
if (!spawned)
{
return;
}
var playerBody = playerModel.ObjectBody;
switch (action)
{
case MovementAction m:
{
var impulse = ConvertMovementActionToVector2(m, playerModel);
playerBody.ApplyLinearImpulse(impulse, playerBody.WorldCenter);
break;
}
case ShootingAction s:
{
PlayerDictionary.TryGetValue(s.Username, out var creator);
if (creator == null)
{
throw new Exception("Player not found when spawning bullet");
}
var bulletSpawn = new BulletSpawnObject(s.Angle, 20f, creator, 10f, .1f, creator.ObjectBody.Position);
bulletSpawn.InitialMass = .02f;
spawnQueue.Enqueue(bulletSpawn);
break;
}
default:
throw new ArgumentException("Unsupported Action Type");
}
}
/// <summary>
/// Method to parse actions from the client on a timer. First, it will check if the user passed in is currently authenticated. If it isn't, then an error will be thrown.
/// Next, it will check if the user has made an action in the last {default=50} milliseconds. If they have, return false. Otherwise, it updates the state of the game and then resets the player's
/// last action time in memory.
/// </summary>
/// <param name="action">A JSON object representing the action</param>
/// <returns>A boolean representing whether the action was done successfully</returns>
public bool ParseAction(AUserAction action)
{
//Make sure that the user is authenticated
if (!_ls.VerifyToken(action.Token, action.Username))
{
throw new InvalidLoginException("Either the token or the username is invalid.");
}
try
{
if (action is MovementAction)
{
//If the action's user DNE
if (!_movementTimings.ContainsKey(action.Username))
{
_movementTimings.TryAdd(action.Username, DateTime.Now);
//Run relevant method to update game state
_gl.HandleAction(action);
//
return(true);
}
//fetch last update time
DateTime x = _movementTimings[action.Username];
var ts = DateTime.Now - x;
//It's been at least {MovementInterval} milliseconds since last action
if (ts.TotalMilliseconds >= MovementInterval)
{
_movementTimings[action.Username] = DateTime.Now;
//Run relevant method to update game state
_gl.HandleAction(action);
//
return(true);
}
return(false);
}
else if (action is ShootingAction)
{
//If the action's user DNE
if (!_shootingTimings.ContainsKey(action.Username))
{
_shootingTimings.TryAdd(action.Username, DateTime.Now);
//Run relevant method to update game state
_gl.HandleAction(action);
//
return(true);
}
//fetch last update time
DateTime x = _shootingTimings[action.Username];
var ts = DateTime.Now - x;
//It's been at least {MovementInterval} milliseconds since last action
if (ts.TotalMilliseconds >= _gl.getFireRate(action.Username))
{
_shootingTimings[action.Username] = DateTime.Now;
//Run relevant method to update game state
_gl.HandleAction(action);
//
return(true);
}
return(false);
}
else
{
return(false);
}
}
catch (UnspawnedException e)
{
return(false);
}
}
