/// <summary>
/// Starts the item use.
/// </summary>
/// <param name="itemAbility">The item ability that is using the item.</param>
public virtual void StartItemUse(ItemAbility useAbility)
{
// The use AnimatorAudioState is starting.
m_UseAnimatorAudioStateSet.StartStopStateSelection(true);
m_InUse = m_UseAnimatorAudioStateSet.NextState();
if (m_InUse && m_PlayAudioOnStartUse)
{
var visibleObject = m_Item.GetVisibleObject() != null?m_Item.GetVisibleObject() : m_Character;
m_UseAnimatorAudioStateSet.PlayAudioClip(visibleObject);
}
}
/// <summary>
/// Damages the shield.
/// </summary>
/// <param name="source">The object that is trying to damage the shield.</param>
/// <param name="amount">The amount of damage to apply/</param>
/// <returns>The amount of damage remaining which should be applied to the character.</returns>
public float Damage(object source, float amount)
{
// The shield can't absorb damage if it requires the character to be aiming and the character isn't aiming.
if (!m_Aiming && m_RequireAim)
{
return(amount);
}
// The shield may not be able to absorb damage caused by explosions.
if ((source is Objects.Explosion) && !m_AbsorbExplosions)
{
return(amount);
}
if (m_ApplyImpact)
{
m_HasImpact = true;
m_ImpactAnimatorAudioStateSet.StartStopStateSelection(true);
m_ImpactAnimatorAudioStateSet.NextState();
EventHandler.ExecuteEvent(m_Character, "OnShieldImpact", this, source);
}
// If the shield is invincible then no damage is applied to it and the resulting absorption factor should be returned.
if (m_DurabilityAttribute == null)
{
return(0);
}
// If the shield's durability is depleted then the entire damage amount should be applied to the character.
if (m_DurabilityAttribute.Value == m_DurabilityAttribute.MinValue)
{
return(amount);
}
// Damage the shield and amount of damage which be applied to the character.
var damageAmount = Mathf.Min(amount * m_AbsorptionFactor, m_DurabilityAttribute.Value);
m_DurabilityAttribute.Value -= damageAmount;
// The shield may be dropped if the damage reaches the minimum value.
if (m_DurabilityAttribute.Value == m_DurabilityAttribute.MinValue && m_DropWhenDurabilityDepleted)
{
m_Inventory.RemoveItem(m_Item.ItemIdentifier, m_Item.SlotID, 1, false);
m_Item.Drop(0, true);
}
// The remaining damage should be applied to the character.
return(amount - damageAmount);
}