private void CreateIdleState()
{
m_IdleState = (fsm) => {
// GOAP planning
// get the world state and the goal we want to plan for
Dictionary <string, object> worldState = m_DataProvider.GetWorldState();
Dictionary <string, object> goal = m_DataProvider.CreateGoalState();
// Plan
Queue <GoapAction> plan = planner.Plan(m_AvailableActions, worldState, goal);
if (plan != null)
{
// we have a plan, hooray!
m_CurrentActions = plan;
m_DataProvider.PlanFound(goal, plan);
fsm.PopState(); // move to PerformAction state
fsm.PushState(m_PerformActionState);
}
else
{
// ugh, we couldn't get a plan
Debug.Log("<color=orange>Failed Plan:</color>" + PrettyPrint(goal));
m_DataProvider.PlanFailed(goal);
fsm.PopState(); // move back to IdleAction state
fsm.PushState(m_IdleState);
}
};
}
private void CreateMoveToState()
{
m_MoveToState = (fsm) => {
// move the game object
GoapAction action = m_CurrentActions.Peek();
if (action.RequiresInRange() && action.target == null)
{
Debug.Log("Target not found yet, moving to idle state");
fsm.PopState(); // move
fsm.PopState(); // perform
fsm.PushState(m_IdleState);
return;
}
// get the agent to move itself
if (m_DataProvider.MoveAgent(action))
{
fsm.PopState();
}
};
}
private void CreatePerformActionState()
{
m_PerformActionState = (fsm) => {
// perform the action
if (!HasActionPlan())
{
// no actions to perform
Debug.Log("<color=red>Done actions</color>");
fsm.PopState();
fsm.PushState(m_IdleState);
m_DataProvider.ActionsFinished();
return;
}
GoapAction action = m_CurrentActions.Peek();
if (action.IsDone())
{
// the action is done. Remove it so we can perform the next one
m_CurrentActions.Dequeue();
}
if (HasActionPlan())
{
// perform the next action
action = m_CurrentActions.Peek();
if (action.target == null)
{
action.SetTarget();
}
bool inRange = false;
if (action.target != null)
{
inRange = action.RequiresInRange() ? action.IsInRange() : true;
}
if (inRange)
{
// we are in range, so perform the action
bool success = action.Perform();
if (!success)
{
// action failed, we need to plan again
fsm.PopState();
fsm.PushState(m_IdleState);
m_DataProvider.PlanAborted(action);
}
}
else
{
// we need to move there first
// push moveTo state
fsm.PushState(m_MoveToState);
}
}
else
{
// no actions left, move to Plan state
fsm.PopState();
fsm.PushState(m_IdleState);
m_DataProvider.ActionsFinished();
}
};
}