private TreeDecision <IGOAPReadOnlyAction> BuildPlansToAction(IGOAPReadOnlyAction action)
{
var tree = new TreeDecision <IGOAPReadOnlyAction>();
tree.AddToRoot(action);
var needConditions = new List <KeyValuePair <string, GOAPState> >();
foreach (var condition in action.Preconditions)
{
if (!_context.Contains(condition))
{
needConditions.Add(condition);
}
}
if (needConditions.Count == 0)
{
return(tree);
}
foreach (var condition in needConditions)
{
TreeDecision <IGOAPReadOnlyAction> conditionTree = BuildPlansToGoal(condition);
if (conditionTree == null)
{
return(null);
}
tree.AddToLeafs(conditionTree);
}
return(tree);
}
private TreeDecision <IGOAPReadOnlyAction> BuildPlansToGoal(KeyValuePair <string, GOAPState> goal)
{
var tree = new TreeDecision <IGOAPReadOnlyAction>();
List <IGOAPReadOnlyAction> needActions;
if (!GOAPActionsManager.Instance.TryGetActionsWithEffect(goal, out needActions))
{
return(null);
}
for (int i = 0; i < needActions.Count; i++)
{
var actionTree = BuildPlansToAction(needActions[i]);
if (actionTree != null)
{
tree.AddToRoot(actionTree);
}
}
if (tree.IsEmpty)
{
return(null);
}
return(tree);
}
