public Projectile(Tower tower, Mob mob)
{
this.Location = new Point(tower.Location);
this.LastUpdated = DateTime.UtcNow;
this.Owner = tower.Owner;
this.Target = mob;
this.Speed = tower.ProjectileSpeed;
this.Damage = tower.Damage;
this.TowerType = tower.Type;
}
public void RemoveMobsAtEnding(Mob mob, GameRoom room, GameRound round)
{
if (Point.IsNear(mob.CurrentLocation, mob.EndingLocation, 0.5))
{
foreach (var player in room.Players)
{
if (mob.EndingLocation.X == player.EndingLocation.X && mob.EndingLocation.Y == player.EndingLocation.Y)
{
player.CurrentLife -= 1;
round.Mobs.Remove(mob);
this.scaleoutService.Store(Persist.GameRoom, room.Id, room);
break;
}
}
}
}
public void UpdateMobLocation(Mob mob, GameRoom room, GameRound round)
{
var span = DateTime.UtcNow.Subtract(mob.LastUpdated);
if (span.Milliseconds > 0)
{
var next = mob.Path?.FirstOrDefault();
if(next != null && Point.IsNear(mob.CurrentLocation, next, 0.1))
{
mob.Path = mob.Path.Skip(1);
next = mob.Path?.FirstOrDefault();
}
if(mob.Path == null || next == null)
{
next = this.CalculateMobPath(mob, room);
}
if (next != null)
{
var moveSpeed = mob.CurrentSpeed;
// Adjust mob speed for slow effects
if ((mob.Status as IDictionary<string, object>)?.ContainsKey("slow") ?? false)
{
moveSpeed = (int)(moveSpeed * (double)mob.Status.slow.speed);
if (DateTime.UtcNow > (DateTime)mob.Status.slow.remaining)
{
var status = (IDictionary<string, object>)mob.Status;
status.Remove("slow");
}
}
mob.CurrentLocation = Point.TrackTo(mob.CurrentLocation, next, (span.TotalMilliseconds * moveSpeed / Constants.GameSpeed));
// mob.Path = path?.ToList(); // Debugging
}
else
{
Console.WriteLine("No valid path found for mob");
mob.CurrentLocation = new Point(mob.EndingLocation.X, mob.EndingLocation.Y);
}
mob.LastUpdated = DateTime.UtcNow;
}
}
public void TickDots(Mob mob, GameRoom room, GameRound round)
{
if((mob.Status as IDictionary<string, object>)?.ContainsKey("dot") ?? false)
{
var span = DateTime.UtcNow.Subtract((DateTime)mob.Status.dot.lastUpdated);
if(span.TotalMilliseconds > 500)
{
mob.Health -= (int)mob.Status.dot.damage;
mob.Status.dot.lastUpdated = DateTime.UtcNow;
if(DateTime.UtcNow > (DateTime)mob.Status.dot.remaining)
{
(mob.Status as IDictionary<string, object>).Remove("dot");
}
if(mob.Health <= 0)
{
round.Mobs.Remove(mob);
}
}
}
}
private GamePoint CalculateMobPath(Mob mob, GameRoom room)
{
var path = this.pathingService.FindPath<GamePoint>(new GamePoint(room, mob.CurrentLocation), new GamePoint(room, mob.EndingLocation), (p1, p2) =>
{
// Euclidian Squared heuristic
var dx = p1.X - p2.X;
var dy = p1.Y - p2.Y;
if (dx > 0)
{
dx += 1;
}
if (dy > 0)
{
dy += 1;
}
return Math.Sqrt(dx * dx + dy * dy);
}, (p) =>
{
// Euclidian squared heuristic estimate
var dx = p.X - mob.EndingLocation.X;
var dy = p.Y - mob.EndingLocation.Y;
return dx * dx + dy * dy;
});
mob.Path = path?.Reverse().Skip(1);
return mob.Path?.FirstOrDefault();
}