// Create the applicable constituent action for a state.
public static StateSpaceEdge GetConstituentAction(Domain domain, Problem problem, Plan plan, State state)
{
// Iterate through the plan to find the next player step.
for (int i = 0; i < plan.Steps.Count; i++)
{
if (plan.Steps[i].Arity > 0)
{
// Check to see if the next step in the plan is performed by the player.
if (plan.Steps[i].TermAt(0).Equals(problem.Player))
{
// Create a new plan.
Plan newPlan = plan.Clone() as Plan;
// Remove the current step from the new plan.
newPlan.Steps.RemoveAt(i);
// Add the current step to the start of the steps.
newPlan.Steps.Insert(0, plan.Steps[i].Clone() as Operator);
// Check to see if the new plan is valid.
if (PlanSimulator.VerifyPlan(newPlan, state, problem.Objects))
{
// The current step is constituent.
return(new StateSpaceEdge(plan.Steps[i].Clone() as Operator, ActionType.Constituent));
}
// Exit the loop.
i = plan.Steps.Count;
}
}
}
// Otherwise, return a blank step as the user's constituent action.
return(new StateSpaceEdge(new Operator("do nothing"), ActionType.Constituent));
}
// Create the applicable constituent action for a state.
public static MediationTreeEdge GetConstituentAction(string actor, MediationTreeNode node)
{
// Iterate through the plan to find the next player step.
for (int i = 0; i < node.Plan.Steps.Count; i++)
{
if (node.Plan.Steps[i].Arity > 0)
{
// Check to see if the next step in the plan is performed by the player.
if (node.Plan.Steps[i].TermAt(0).Equals(actor))
{
// Create a new plan.
Plan newPlan = node.Plan.Clone() as Plan;
// Remove the current step from the new plan.
newPlan.Steps.RemoveAt(i);
// Add the current step to the start of the steps.
newPlan.Steps.Insert(0, node.Plan.Steps[i].Clone() as Operator);
// Check to see if the new plan is valid.
if (PlanSimulator.VerifyPlan(newPlan, node.State, node.Problem.Objects))
{
// The current step is constituent.
return(new MediationTreeEdge(node.Plan.Steps[i].Clone() as Operator, ActionType.Constituent, node.ID));
}
// Exit the loop.
i = node.Plan.Steps.Count;
}
}
}
// Otherwise, return a blank step as the user's constituent action.
return(new MediationTreeEdge(new Operator("do nothing"), ActionType.Constituent, node.ID));
}
// Creates a list of actions for computer controlled characters to perform.
public static List <IOperator> GetSystemActions(Plan plan, List <string> moved, List <IOperator> actions)
{
// Iterate through the plan to find the next player step.
for (int i = 0; i < plan.Steps.Count; i++)
{
// Make sure the step has arity.
if (plan.Steps[i].Arity > 0)
{
// A placeholder to check if the character has already moved.
bool hasMoved = false;
// Loop through the characters that have moved.
foreach (string character in moved)
{
// If it matches the actor...
if (plan.Steps[i].TermAt(0).Equals(character))
{
// ...mark as already moved.
hasMoved = true;
}
}
// If the character has not moved yet.
if (!hasMoved)
{
// Create a new plan.
Plan newPlan = plan.Clone() as Plan;
// Remove the current step from the new plan.
newPlan.Steps.RemoveAt(i);
// Add the current step to the start of the steps.
newPlan.Steps.Insert(0, plan.Steps[i].Clone() as Operator);
// Check to see if the new plan is valid.
if (PlanSimulator.VerifyPlan(newPlan, plan.Initial as State, plan.Problem.Objects))
{
// Add the step to the list of actions.
actions.Add(newPlan.Steps[0]);
// Remove the first step from the plan.
newPlan.Steps.RemoveAt(0);
// Add the character to the list of moved characters.
moved.Add(plan.Steps[i].TermAt(0));
// Recursively call the function.
return(GetSystemActions(newPlan, moved, actions));
}
}
}
}
// Return the list of actions to take.
return(actions);
}
