/// <summary>
/// Updates the spell logic
/// </summary>
/// <param name="elapsedTime">Elapsed time in milleseconds</param>
internal void Update(float elapsedTime)
{
//Clearing the spell-list from spells where:
_activeSpells.RemoveAll(Spell => (Spell.Duration == 0 && Spell.CoolDown <= 0) || //Duration and Cooldown is zero
(!Spell.Caster.IsAlive()) || //Caster is dead
(Spell.Caster.Target != null && (Spell.GetType() == FIRE_BALL && !Spell.Caster.Target.IsAlive())) ||
(Spell.GetType() == FIRE_BALL && Spell.Caster.Target == null)); //Fireball target is dead or null
//Uppdating active Instant heals
foreach (Spell spell in _activeSpells)
{
#region InstanHeal
if (spell.GetType() == SpellSystem.INSTANT_HEAL)
{
InstantHeal instantHeal = spell as Model.InstantHeal;
//If cast time is done and the spell is not yet started
if (instantHeal.CastTime <= 0 && instantHeal.Duration != 0)
{
//Cast heal
instantHeal.Caster.IsCastingSpell = false;
CastInstantHeal(instantHeal);
}
//Else if cast time exists: reduce it
else if (spell.CastTime > 0)
{
if (spell.Caster.GetType() == GameModel.ENEMY_NPC)
{
spell.Caster.UnitState = Model.State.IS_CASTING_HEAL;
}
instantHeal.CastTime -= elapsedTime;
}
//Else, reduce spell cd
else
{
instantHeal.CoolDown -= elapsedTime;
}
}
#endregion
#region FireBall
else if (spell.GetType() == SpellSystem.FIRE_BALL)
{
Fireball fireBall = spell as Model.Fireball;
//Updating fireball target.
fireBall.Update(spell.Caster.Target);
//If casttimem is done whilst the spell have not yet hit the target
if (fireBall.CastTime <= 0 && spell.Duration != 0)
{
//Set status to "was casted"
if (!fireBall.WasCasted)
{
CastFireBall(fireBall);
fireBall.WasCasted = true;
}
//If the spell hit its target
if (fireBall.Target.ThisUnit.Bounds.Intersects(fireBall.FireBallArea) && fireBall.Duration > 0)
{
//Do dmg
fireBall.Caster.Target.CurrentHp -= (int)fireBall.Damage + fireBall.Caster.SpellPower;
//Declare spell hit
spell.Duration = 0;
}
//Updating spell
fireBall.Direction = new Vector2(fireBall.Target.ThisUnit.Bounds.X, fireBall.Target.ThisUnit.Bounds.Y) - fireBall.Position;
Vector2 newCordinates = new Vector2();
newCordinates = fireBall.Direction;
newCordinates.Normalize();
fireBall.Position += newCordinates * 5;
fireBall.Caster.IsCastingSpell = false;
}
//If cast time exists: reduce it
if (spell.CastTime > 0)
{
//Whilst player is casting: Facing camera
spell.Caster.UnitState = Model.State.IS_CASTING_FIREBALL;
fireBall.CastTime -= elapsedTime;
}
//Else, reduce cd
else
{
fireBall.CoolDown -= elapsedTime;
}
}
#endregion
#region Smite
else if (spell.GetType() == SpellSystem.SMITE)
{
Smite smite = spell as Model.Smite;
if (smite.CastTime <= 0 && spell.Duration != 0)
{
CastSmite(smite);
}
if (spell.CastTime > 0)
{
if (spell.Caster.GetType() == GameModel.PLAYER)
{
spell.Caster.UnitState = State.FACING_CAMERA;
}
smite.CastTime -= elapsedTime;
}
else
{
smite.CoolDown -= elapsedTime;
}
}
#endregion
}
}
