private GameObject GetHighlight(int step)
{
ZAction = null;
XAction = null;
HighlightedIndex += step;
if (HighlightedIndex >= IM.ItemList.Count)
{
HighlightedIndex = -IM.IngredientSpawners.Count;
}
else if (HighlightedIndex < -IM.IngredientSpawners.Count)
{
HighlightedIndex = IM.ItemList.Count - 1;
}
if (HighlightedIndex >= 0)
{
if (!PlayerRef.IsHolding)
{
PrepareAction prepAction = null;
if (IM.ItemList[HighlightedIndex].MyItemType == ItemType.INGREDIENT)
{
foreach (int boardID in IM.BoardIndexList)
{
Board b = IM.ItemList[boardID] as Board;
if (b.HoldingItem != null && b.HoldingItem.ID == HighlightedIndex)
{
prepAction = new PrepareAction(boardID);
XAction = prepAction;
break;
}
}
}
PickUpAction puAction = new PickUpAction(HighlightedIndex);
if (puAction.isValid(CurrentState))
{
ZAction = puAction;
}
else
{
puAction = null;
}
if (puAction != null || prepAction != null)
{
return(IM.ItemList[HighlightedIndex].gameObject);
}
else
{
return(GetHighlight(step));
}
}
else
{
SubmitOrderAction soAction = new SubmitOrderAction();
if (soAction.isValid(CurrentState))
{
XAction = soAction;
}
DropOffAction doAction = new DropOffAction(HighlightedIndex);
if (doAction.isValid(CurrentState))
{
ZAction = doAction;
return(IM.ItemList[HighlightedIndex].gameObject);
}
TransferAction transAction = new TransferAction(HighlightedIndex);
if (transAction.isValid(CurrentState))
{
ZAction = transAction;
return(IM.ItemList[HighlightedIndex].gameObject);
}
return(GetHighlight(step));
}
}
else
{
int spawnerIndex = ~HighlightedIndex;
SpawnAction sAction = new SpawnAction(IM.IngredientSpawners[spawnerIndex].MyIngredientType);
if (sAction.isValid(CurrentState))
{
ZAction = sAction;
return(IM.IngredientSpawners[spawnerIndex].gameObject);
}
else
{
return(GetHighlight(step));
}
}
}
/// <summary>
/// Used to get all of the valid actions for the current state
/// </summary>
/// <returns></returns>
public List <Action> GetValidActions(AIState state)
{
List <Action> validActions = new List <Action>();
//Waiting around
validActions.Add(new IdleAction());
//Things you can do when your hands are free
if (state.CurrentPlayerState.HandsFree())
{
//Spawning items
foreach (IngredientType type in System.Enum.GetValues(typeof(IngredientType)))
{
SpawnAction spawnAction = new SpawnAction(type);
if (spawnAction.isValid(state))
{
validActions.Add(spawnAction);
}
}
PickUpAction pickupAction;
//Picking up everything
//Ingredients
foreach (int ingredientID in state.IngredientStateIndexList)
{
IngredientState ingredient = state.ItemStateList[ingredientID] as IngredientState;
if (ingredient.IsSpawned && !ingredient.IsInMeal)
{
pickupAction = new PickUpAction(ingredient.ID);
validActions.Add(pickupAction);
}
}
//Pots
foreach (int potID in state.PotStateIndexList)
{
PotState pot = state.ItemStateList[potID] as PotState;
pickupAction = new PickUpAction(pot.ID);
validActions.Add(pickupAction);
}
//Plates
foreach (int plateID in state.PlateStateIndexList)
{
PlateState plate = state.ItemStateList[plateID] as PlateState;
pickupAction = new PickUpAction(plate.ID);
validActions.Add(pickupAction);
}
PrepareAction prepAction;
foreach (int boardID in state.BoardStateIndexList)
{
BoardState bState = state.ItemStateList[boardID] as BoardState;
if (!bState.IsFree())
{
IngredientState iState = state.ItemStateList[bState.HoldingItemID] as IngredientState;
if (iState != null && !iState.IsPrepared)
{
prepAction = new PrepareAction(boardID);
validActions.Add(prepAction);
}
}
}
}
//Things you can do when you have something in hand
else
{
DropOffAction dropoffAction;
TransferAction transferAction;
ItemState itemState = state.ItemStateList[state.CurrentPlayerState.HoldingItemID];
ItemType type = itemState.MyItemType;
if (type == ItemType.INGREDIENT)
{
//Putting things on the table
foreach (int tableID in state.TableStateIndexList)
{
TableSpace table = state.ItemStateList[tableID] as TableSpace;
if (table.IsFree())
{
dropoffAction = new DropOffAction(table.ID);
validActions.Add(dropoffAction);
}
}
//Moving ingredients to a cutting board
foreach (int boardID in state.BoardStateIndexList)
{
BoardState board = state.ItemStateList[boardID] as BoardState;
if (board.IsFree())
{
dropoffAction = new DropOffAction(board.ID);
validActions.Add(dropoffAction);
}
}
if ((itemState as IngredientState).IsPrepared)
{
//Moving ingredients to a pot
foreach (int potID in state.PotStateIndexList)
{
PotState pot = state.ItemStateList[potID] as PotState;
MealState meal = state.ItemStateList[pot.mealID] as MealState;
if (meal.MealSize() + 1 <= PotState.MAX_ITEMS_PER_POT && !meal.IsBurnt())
{
dropoffAction = new DropOffAction(pot.ID);
validActions.Add(dropoffAction);
}
}
//Moving ingredients to a plate
foreach (int plateID in state.PlateStateIndexList)
{
PlateState plate = state.ItemStateList[plateID] as PlateState;
MealState meal = state.ItemStateList[plate.mealID] as MealState;
if (!plate.IsSubmitted && !meal.IsBurnt())
{
dropoffAction = new DropOffAction(plate.ID);
validActions.Add(dropoffAction);
}
}
}
}
if (type == ItemType.POT)
{
PotState pot = itemState as PotState;
MealState meal = state.ItemStateList[pot.mealID] as MealState;
//Putting the pot on the table
foreach (int tableID in state.TableStateIndexList)
{
TableSpace table = state.ItemStateList[tableID] as TableSpace;
if (table.IsFree())
{
dropoffAction = new DropOffAction(table.ID);
validActions.Add(dropoffAction);
}
}
//Moving meal to a pot
transferAction = new TransferAction(Item.NOTHING_ID);
foreach (int potID in state.PotStateIndexList)
{
transferAction.id = potID;
if (transferAction.isValid(state))
{
validActions.Add(transferAction);
transferAction = new TransferAction(Item.NOTHING_ID);
}
}
//Moving the meal to another plate
foreach (int plateID in state.PlateStateIndexList)
{
transferAction.id = plateID;
if (transferAction.isValid(state))
{
validActions.Add(transferAction);
transferAction = new TransferAction(Item.NOTHING_ID);
}
}
}
if (type == ItemType.PLATE)
{
PlateState plate = itemState as PlateState;
//Putting things on the table
foreach (int tableID in state.TableStateIndexList)
{
TableSpace table = state.ItemStateList[tableID] as TableSpace;
if (table.IsFree())
{
dropoffAction = new DropOffAction(table.ID);
validActions.Add(dropoffAction);
}
}
//If the plate is non-empty
MealState heldMeal = state.ItemStateList[plate.mealID] as MealState;
if (heldMeal.IsSpawned())
{
//Submitting the meal
if (heldMeal.IsCooked())
{
SubmitOrderAction submitAction = new SubmitOrderAction();
validActions.Add(submitAction);
}
//Moving meal to a pot
transferAction = new TransferAction(Item.NOTHING_ID);
foreach (int potID in state.PotStateIndexList)
{
transferAction.id = potID;
if (transferAction.isValid(state))
{
validActions.Add(transferAction);
transferAction = new TransferAction(Item.NOTHING_ID);
}
}
//Moving the meal to another plate
foreach (int plateID in state.PlateStateIndexList)
{
transferAction.id = plateID;
if (transferAction.isValid(state))
{
validActions.Add(transferAction);
transferAction = new TransferAction(Item.NOTHING_ID);
}
}
}
}
}
return(validActions);
}