/// <summary>
/// Update the Attack item
/// </summary>
/// <param name="dt"> A delta time since the last update was called</param>
/// <param name="input">A GenericInput to process.</param>
public override void Update(TimeSpan dt, GenericInput input)
{
//on keyboard input determine the Hero's direction
if (input is GenericKeyboardInput)
{
GenericKeyboardInput gki = (GenericKeyboardInput)input;
DirectionIn = new Vector2(DirectionX, DirectionY);
DetermineDirection(gki);
DirectionOut = new Vector2(DirectionX, DirectionY);
AnimateHero();
}
//on mouse click launch an attack
if (input is MouseGenericInput)
{
MouseGenericInput mgi = (MouseGenericInput)input;
if (mgi.MouseInputType == MouseGenericInput.MouseGenericInputType.MouseClick && (DirectionX * DirectionX + DirectionY * DirectionY) != 0)
{
// create the scene switch message to switch the current scene to the top score scene
Message_Attack heroAttack = new Message_Attack("Arrow", this.DirectionX, this.DirectionY, Location, Message_Attack.AttackType.Hero_Arrow, ArrowRange, ArrowDamage);
MessageManager.AddMessageItem(heroAttack);
}
}
//update hero location
SetLocation(dt);
HealthBar = new Windows.Foundation.Rect(Location.X - 10, Location.Y - 10, 50, 5);
}
/// <summary>
/// Update the Attack item
/// </summary>
/// <param name="dt"> A delta time since the last update was called</param>
/// <param name="input">A GenericInput to process.</param>
public override void Update(TimeSpan dt, GenericInput input)
{
//boss moves towards hero
HeroDirectionVector();
//boss attacks on a timer
TimeSinceAttack = DateTime.Now - LastAttack;
if (TimeSinceAttack.TotalMilliseconds > TimeBetweenAttacks)
{
Message_Attack VillainAttack = new Message_Attack("Villain_Attack", DirectionX, DirectionY, this.Location, Message_Attack.AttackType.Minion_Arrow, Range, Damage);
MessageManager.AddMessageItem(VillainAttack);
LastAttack = DateTime.Now;
}
//Update bosses location on call to update
SetLocation(dt);
}
/// <summary>
/// Updates the scene based on incoming messages
/// </summary>
/// <param name="dt">Delta time since thew last update was called</param>
/// <param name="message"> incoming message</param>
public override void Update(TimeSpan dt, GenericMessage message)
{
foreach (GenericItem gi in objects)
{
//update each generic item
gi.Update(dt, message);
}
foreach (Hero hero in heros)
{
//update each generic item
hero.Update(dt, message);
}
foreach (Villain villain in villains)
{
//update each generic item
villain.Update(dt, message);
}
if (message is Message_Attack)
{
Message_Attack mhe = (Message_Attack)message;
switch (mhe.Type)
{
case (Message_Attack.AttackType.Hero_Arrow):
{
//(Terry)TODO: add rotation to arrows, this might require using something other than CanvasBitmap images
Attack attack = new Attack(mhe.Name, mhe.DirectionX, mhe.DirectionY, mhe.Location, Attack.AttackType.Hero_Arrow, mhe.Range, mhe.Damage);
attack.SetBitmapFromImageDictionary("Arrow");
this.AddObject(attack);
break;
}
case (Message_Attack.AttackType.Minion_Arrow):
{
Attack arrow = new Attack(mhe.Name, mhe.DirectionX, mhe.DirectionY, mhe.Location, Attack.AttackType.Boss_Arrow, mhe.Range, mhe.Damage);
arrow.SetBitmapFromImageDictionary("Arrow");
this.AddObject(arrow);
break;
}
}
}
//if two generic items on the canvas have collided find out what collided and apply aprpriate damage
if (message is Message_Collision)
{
Message_Collision attackInfo = (Message_Collision)message;
if (attackInfo.CollisionObject is Attack)
{
Attack attack = (Attack)attackInfo.CollisionObject;
//if the boss is hit by an attack, increase score, reduce bosses health and remove the attack
if (attackInfo.Victim is Boss)
{
Boss boss = (Boss)attackInfo.Victim;
boss.CurrentHealth -= attack.Damage;
Score += attack.Damage;
_score_label.UpdateText("SCORE: " + Score);
objects.Remove(attackInfo.CollisionObject);
if (boss.CurrentHealth <= 0.0f)
{
boss.Level += 1;
boss.MaxHealth += 100;
boss.CurrentHealth = boss.MaxHealth;
}
}
// if the attack hit a minion, remove the attack and the minion
else if (attackInfo.Victim is Villain)
{
Villain villain = (Villain)attackInfo.Victim;
villains.Remove(villain);
objects.Remove(attackInfo.CollisionObject);
}
//if the attack hit the hero, reduce hero's health and check for game over
else if (attackInfo.Victim is Hero)
{
Hero hero = (Hero)attackInfo.Victim;
hero.CurrentHealth -= attack.Damage;
objects.Remove(attackInfo.CollisionObject);
if (hero.CurrentHealth <= 0)
{
heros.Remove(hero);
//add tombstone image where hero died?
// If all heroes (spelled correctly this time) have died it's game over
if (heros.Count <= 0)
{
game_over = true;
}
}
}
}
}
// switch to game over scene
if (game_over)
{
Message_SceneSwitch mss = new Message_SceneSwitch("Game Over Scene");
MessageManager.AddMessageItem(mss);
}
if (message is Message_SpawnMinions)
{
Message_SpawnMinions spawn = (Message_SpawnMinions)message;
Random r = new Random();
for (int i = 0; i < spawn.NumberOfMinions; i++)
{
Villain villain = new Villain("minion");
villain.Location = new System.Numerics.Vector2(r.Next(0, _width), r.Next(0, _height));
villain.SetBitmapFromImageDictionary("MinionLeft");
this.AddObject(villain);
}
}
}
