/// <summary>
/// Performs an action and returns true if the action was a success.
/// </summary>
/// <param name="action">The action to perform, containing data about the actor and the abilities used.</param>
/// <returns></returns>
public async Task <BattleActionResult> PerformActionAsync(BattleAction action)
{
IEnumerable <CombatEntity> affectedEntities = null;
CombatEntity nextActiveEntity = null;
Ability ability = null;
CombatEntity actor = null;
var result = new BattleActionResult {
IsSuccess = true
};
lock (_key)
{
if (_battle == null)
{
result.FailureReason = BattleErrorWriter.WriteNotInitiated();
result.IsSuccess = false;
return(result);
}
var actorFormation = GetFormation(action.OwnerId, out bool isAttacker);
if (actorFormation == null)
{
result.FailureReason = BattleErrorWriter.WriteNotParticipating();
result.IsSuccess = false;
return(result);
}
actor = actorFormation.Positions.FirstOrDefaultTwoD(entity => entity != null && entity.Id == action.ActorId);
if (actor == null)
{
result.FailureReason = BattleErrorWriter.WriteActorNotFound();
result.IsSuccess = false;
return(result);
}
// Not player's turn
if (_battle.IsDefenderTurn != !isAttacker)
{
result.FailureReason = BattleErrorWriter.WriteNotPlayersTurn();
result.IsSuccess = false;
return(result);
}
if (!_battle.ActionsLeftPerFormation.ContainsKey(actorFormation))
{
result.FailureReason = BattleErrorWriter.WriteNoMoreActions();
result.IsSuccess = false;
return(result);
}
if (!_battle.ActionsLeftPerFormation[actorFormation].Contains(actor))
{
result.FailureReason = BattleErrorWriter.WriteEntityCannotAct(actor);
result.IsSuccess = false;
return(result);
}
if (actor.StatusEffects.Any(se => se.BaseStatus.IsStunned))
{
result.FailureReason = BattleErrorWriter.WriteEntityIsStunned(actor);
result.IsSuccess = false;
return(result);
}
if (!action.IsDefending &&
!action.IsFleeing)
{
affectedEntities = PerformAbility(action,
actor,
actorFormation,
isAttacker,
ability,
ref result);
if (affectedEntities == null)
{
return(result);
}
}
// Is defending or fleeing
else
{
if (action.IsDefending)
{
affectedEntities = PerformDefend(actor, actorFormation, out nextActiveEntity);
}
else if (action.IsFleeing)
{
affectedEntities = PerformFlee(actor, actorFormation);
}
}
}
await Task.Run(() => SuccessfulActionEvent.Invoke(this, new SuccessfulActionEventArgs
{
Ability = ability,
Action = action,
Actor = actor,
AffectedEntities = affectedEntities,
ParticipantIds = _participantIds,
NextActiveEntityId = nextActiveEntity != null ? nextActiveEntity.Id : -1
}));
return(result);
}
/// <summary>
/// Performs an action for one Ai CombatEntity that is available to act this turn.
/// </summary>
private void PerformAiAction()
{
CombatAiDecision decision = null;
IEnumerable <Formation> myAllies = null;
IEnumerable <Formation> myEnemies = null;
IEnumerable <CombatEntity> affectedEntities = null;
CombatEntity nextActiveEntity = null;
lock (_key)
{
var available = _battle.ActionsLeftPerFormation.Where(kvp => kvp.Key.OwnerId == GameplayConstants.AiId)
.Where(kvp => kvp.Value != null && kvp.Value.Count > 0)
.FirstOrDefault();
// If no available ai actions left in turn
if (available.Equals(default(KeyValuePair <Formation, List <CombatEntity> >)))
{
return;
}
var myFormation = available.Key;
var myEntity = available.Value.FirstOrDefault();
// If defenders turn, ai is a defender, all defenders are allies and attackers are enemies
if (_battle.IsDefenderTurn)
{
myAllies = _battle.Defenders;
myEnemies = _battle.Attackers;
}
else
{
myAllies = _battle.Attackers;
myEnemies = _battle.Defenders;
}
decision = _combatAi.MakeDecision(myFormation, myEntity, myAllies, myEnemies);
if (decision == null)
{
return;
}
if (decision.IsDefending)
{
affectedEntities = PerformDefend(myEntity, myFormation, out nextActiveEntity);
}
else
{
var result = PerformAiDecision(decision, myFormation);
affectedEntities = result.AffectedEntities;
CheckForDeadEntities(affectedEntities, decision.TargetFormation);
}
}
Task.Run(() => SuccessfulActionEvent.Invoke(this, new SuccessfulActionEventArgs
{
Ability = decision.Ability,
Actor = decision.Actor,
AffectedEntities = affectedEntities,
ParticipantIds = _participantIds,
NextActiveEntityId = nextActiveEntity != null ? nextActiveEntity.Id : -1
})).Wait();
}