public static PersonState MoveAlongTheEdge(PersonState state, Edge edge)
{
var resultItems = state.Items.Select(item => new ItemUnit(item)).ToList();
foreach (var item in edge.RequestedItems.Where(a => a.IsDisappearing && a.BasicItem.InUse))
{
resultItems.Find(a => a.BasicItem == item.BasicItem).Count -= item.Count;
}
// TODO: be careful with IsProhibiting
foreach (var item in edge.To.RequestedItems.Where(a => a.BasicItem.IsProhibiting))
{
var itemUnit = resultItems.Find(a => a.BasicItem == item.BasicItem);
if (itemUnit != null)
{
itemUnit.Count -= item.Count;
}
if (item.BasicItem.IsVital && (itemUnit == null || itemUnit.Count <= 0))
{
return null;
}
}
AddItems(resultItems, edge.RecievedItems);
AddItems(resultItems, edge.To.RecievedItems);
RemoveUnnecessaryItems(resultItems);
return new PersonState(edge.To.Id, resultItems, state, edge);
}
public static PersonState MoveAlongTheEdge(PersonState state, Edge edge)
{
var resultItems = state.Items.Select(item => new ItemUnit(item)).ToList();
foreach (var item in edge.RequestedItems.Where(a => a.IsDisappearing && a.BasicItem.InUse))
{
resultItems.Find(a => a.BasicItem == item.BasicItem).Count -= item.Count;
}
// TODO: be careful with IsProhibiting
foreach (var item in edge.To.RequestedItems.Where(a => a.BasicItem.IsProhibiting))
{
var itemUnit = resultItems.Find(a => a.BasicItem == item.BasicItem);
if (itemUnit != null)
{
itemUnit.Count -= item.Count;
}
if (item.BasicItem.IsVital && (itemUnit == null || itemUnit.Count <= 0))
{
return(null);
}
}
AddItems(resultItems, edge.RecievedItems);
AddItems(resultItems, edge.To.RecievedItems);
RemoveUnnecessaryItems(resultItems);
return(new PersonState(edge.To.Id, resultItems, state, edge));
}
public bool Equals(PersonState other)
{
if (ReferenceEquals(null, other))
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
return(other.ParagraphNo == this.ParagraphNo && ItemsWorker.ItemsAreEqual(other.Items, this.Items));
}
public bool Equals(PersonState other)
{
if (ReferenceEquals(null, other))
{
return false;
}
if (ReferenceEquals(this, other))
{
return true;
}
return other.ParagraphNo == this.ParagraphNo && ItemsWorker.ItemsAreEqual(other.Items, this.Items);
}
public PersonState(int paragraphNo, List <ItemUnit> items, PersonState previousState, Edge previousEdge)
{
this.Items = items;
this.ParagraphNo = paragraphNo;
this.PreviousState = previousState;
this.PreviousEdge = previousEdge;
unchecked
{
m_HashCode =
(this.Items.Where(item => item.BasicItem.InUse).Aggregate(0, (current, itemUnit) => current ^ (itemUnit.Count * 100003 + itemUnit.GetHashCode()))) ^
(1000003 * this.ParagraphNo);
}
}
public PersonState(int paragraphNo, List<ItemUnit> items, PersonState previousState, Edge previousEdge)
{
this.Items = items;
this.ParagraphNo = paragraphNo;
this.PreviousState = previousState;
this.PreviousEdge = previousEdge;
unchecked
{
m_HashCode =
(this.Items.Where(item => item.BasicItem.InUse).Aggregate(0, (current, itemUnit) => current ^ (itemUnit.Count * 100003 + itemUnit.GetHashCode()))) ^
(1000003 * this.ParagraphNo);
}
}
public static bool EdgeIsAvailable(PersonState state, Edge edge)
{
// TODO: be carefull with InUse and IsProhibiting
if (edge.RequestedItems.Any(item => !item.BasicItem.InUse && item.BasicItem.IsProhibiting))
{
return(false);
}
foreach (var item in edge.RequestedItems.Where(item => item.BasicItem.IsProhibiting))
{
var current = state.Items.Find(a => a.BasicItem == item.BasicItem);
if (current == null || current.Count < item.Count)
{
return(false);
}
}
return(true);
}
public static bool EdgeIsAvailable(PersonState state, Edge edge)
{
// TODO: be carefull with InUse and IsProhibiting
if (edge.RequestedItems.Any(item => !item.BasicItem.InUse && item.BasicItem.IsProhibiting))
{
return false;
}
foreach (var item in edge.RequestedItems.Where(item => item.BasicItem.IsProhibiting))
{
var current = state.Items.Find(a => a.BasicItem == item.BasicItem);
if (current == null || current.Count < item.Count)
{
return false;
}
}
return true;
}
public SearchResultState(PersonState state, int distance)
{
State = state;
Distance = distance;
}
public SearchResultState(PersonState state, int distance)
{
State = state;
Distance = distance;
}
public SearchParameters(PersonState startState, SearchAlgorithm algorithm)
{
StartState = startState;
Algorithm = algorithm;
}
public SearchParameters(PersonState startState, SearchAlgorithm algorithm)
{
StartState = startState;
Algorithm = algorithm;
}