/// <summary>
/// Implementation of <see cref="IAction"/> interface. Executes the <see cref="GoapAction"/> in the <see cref="GoapAgent"/> current plan.
/// </summary>
public void Execute()
{
if (_agent.NeedNewPlan) // there is no more actions in the current plan, needs a new plan
{
Debug.Log("<color=red>Done actions</color>");
_dataProvider.ActionsFinished();
return;
}
// check if the current action has finish its execution
var currentActions = _agent.GetCurrentActions();
var action = currentActions.Peek();
if (action.IsDone())
{
// the action is done. Remove it so we can perform the next one
var currAction = currentActions.Dequeue();
IGoapAction nextAction = null;
if (currentActions.Count > 0)
{
nextAction = currentActions.Dequeue();
}
_dataProvider.CurrentActionFinished(currAction, nextAction); // todo
}
if (_agent.NeedNewPlan == false) // in case the previous action was complete, we need to check again if we stil have a plan
{
// perform the next action
action = currentActions.Peek();
// check if we are in range of the next action or if we need to move
var inRange = action.RequiresInRange() == false || action.InRange;
if (inRange)
{
// we are in range, so perform the action
var success = action.Perform(_agent.gameObject);
if (success)
{
return;
}
// soemthing went wrong
// action failed, we need to plan again
currentActions.Clear(); // we need a new plan
_dataProvider.PlanAborted(action); // call plan aborted to perform clean up if required
}
else // we need to move
{
_dataProvider.MoveAgent(action);
}
}
else // _agent.NeedNewPlan == true
{
// all actions are completed. Perform clean up code of the current plan. No need to change state, since the NeedNewPlanCondition will be true every time the NeedNewPlan property is true
_dataProvider.ActionsFinished();
}
}