/// <summary>
/// Performs an ability on a target location, applying damage, healing, and status effects to any targets.
/// </summary>
/// <param name="attacker">The attacker performing the ability.</param>
/// <param name="ability">The ability used to attack the enemy.</param>
/// <param name="targetPosition">The position to target with the ability being used.</param>
/// <param name="targetFormation">The Formation that the CombatEntity is targeting with its action.</param>
/// <returns></returns>
public AbilityResult PerformAbility(CombatEntity attacker,
Ability ability,
int targetPosition,
Formation targetFormation)
{
var result = new AbilityResult();
// Target position is out of bounds
if (!ability.IsPointBlank && !ability.IsPositionStatic &&
(targetPosition > 9 || targetPosition < 1))
{
result.FailureReason = BattleErrorWriter.WriteTargetPositionOutOfBounds();
return(result);
}
if (!HasEnoughResources(attacker, ability, out string failureReason))
{
result.FailureReason = failureReason;
return(result);
}
if (ability.IsPointBlank)
{
targetPosition = GetTargetPosition(attacker, targetFormation);
}
var targets = FormationTargeter.GetTargets(ability, targetPosition, targetFormation).ToList();
if (targets == null || targets.Count == 0)
{
result.FailureReason = BattleErrorWriter.WriteNoTargets();
return(result);
}
// Filter out all dead targets
targets = targets.Where(entity => entity != null && entity.Resources.CurrentHealth > 0).ToList();
// Will be an invalid Ability usage if all targets are dead (later on will add ability to revive)
if (targets.Count == 0)
{
result.FailureReason = BattleErrorWriter.WriteAllTargetsAreDead();
return(result);
}
ConsumeResources(attacker, ability);
ApplyEffects(attacker, ability, targets);
targets.Add(attacker);
result.AffectedEntities = targets;
return(result);
}
/// <summary>
/// Creates an instance of a DelayedAbility.
/// </summary>
/// <param name="attacker">The CombatEntity starting the effect of a DelayedAbility.</param>
/// <param name="ability">The Ability to convert into a DelayedAbility.</param>
/// <param name="action">The object containing details about the action being performed.</param>
/// <param name="targetFormation">The Formation that the CombatEntity is targeting with its action.</param>
/// <returns></returns>
public DelayedAbilityResult CreateDelayedAbility(CombatEntity attacker,
Ability ability,
BattleAction action,
Formation targetFormation)
{
var result = new DelayedAbilityResult();
// Target out of bounds
if (!ability.IsPointBlank && !ability.IsPositionStatic &&
(action.TargetPosition > 9 || action.TargetPosition < 1))
{
result.FailureReason = BattleErrorWriter.WriteTargetPositionOutOfBounds();
return(result);
}
if (!HasEnoughResources(attacker, ability, out string failureReason))
{
result.FailureReason = failureReason;
return(result);
}
int targetPosition = action.TargetPosition;
if (ability.IsPointBlank)
{
targetPosition = GetTargetPosition(attacker, targetFormation);
}
ConsumeResources(attacker, ability);
bool isCrit = IsCritical(attacker, ability);
result.DelayedAbility = new DelayedAbility
{
Actor = attacker,
BaseAbility = ability,
StoredDamage = DamageCalculator.GetDamage(attacker, ability, isCrit),
StoredHealing = DamageCalculator.GetHeal(attacker, ability, isCrit),
TargetFormation = targetFormation,
TargetPosition = action.TargetPosition,
IsCrit = isCrit,
TurnsLeft = ability.DelayedTurns
};
return(result);
}