void RemoveMovementDirection(GridIndex Index, Enums.MoveDirections dir)
{
if (!Index.IsValid())
{
return;
}
_GridMovements[Index.X, Index.Y, Index.Z] &= (byte)~dir;
}
public GridIndex[] GetRight(int count)
{
GridIndex[] indexArray = new GridIndex[count];
for (int i = 0; i < count; i++)
{
indexArray[i] = new GridIndex(1 + i, 0, 0) + this;
}
return(indexArray);
}
public GridIndex(GridIndex other)
{
if (other == null)
{
throw new ArgumentNullException("other");
}
X = other.X;
Y = other.Y;
Z = other.Z;
}
public GridIndex[] GetLeft(int count)
{
GridIndex[] indexArray = new GridIndex[count];
for (int i = 0; i < count; i++)
{
indexArray[i] = new GridIndex(-1 - i, 0, 0) + this;
}
Array.Reverse(indexArray); // Reverse, so we always count from left to right
return(indexArray);
}
public bool OtherIndexIsInDirection(GridIndex otherIndex, Enums.MoveDirections dir)
{
if (otherIndex == null)
{
return(false);
}
switch (dir)
{
case Enums.MoveDirections.Top:
if ((otherIndex.Y - Y) > 0)
{
return(true);
}
break;
case Enums.MoveDirections.Bottom:
if ((Y - otherIndex.Y) > 0)
{
return(true);
}
break;
case Enums.MoveDirections.Left:
if ((X - otherIndex.X) > 0)
{
return(true);
}
break;
case Enums.MoveDirections.Right:
if ((otherIndex.X - X) > 0)
{
return(true);
}
break;
case Enums.MoveDirections.Front:
if ((Z - otherIndex.Z) > 0)
{
return(true);
}
break;
case Enums.MoveDirections.Back:
if ((otherIndex.Z - Z) > 0)
{
return(true);
}
break;
}
return(false);
}
public static List <GridIndex> FindPath(GridIndex startIndex, GridIndex endIndex, TileMap gridMovements)
{
if (gridMovements == null)
{
return(new List <GridIndex>());
}
List <List <GridIndex> > allPaths = new List <List <GridIndex> >();
List <GridIndex> firstPath = new List <GridIndex>();
firstPath.Add(startIndex);
allPaths.Add(firstPath);
bool Working = true;
int CycleCounter = 0;
while (Working)
{
Working = false;
CycleCounter++;
List <List <GridIndex> > allPathsTmp = new List <List <GridIndex> >();
foreach (List <GridIndex> onePath in allPaths)
{
GridIndex lastIndex = onePath[onePath.Count - 1];
foreach (Enums.MoveDirections Dir in Enum.GetValues(typeof(Enums.MoveDirections)))
{
if (gridMovements.GridTileHasDirection(lastIndex, Dir))
{
GridIndex nextIndex = lastIndex.GetAdjacent(Dir);
if (onePath.Contains(nextIndex) == false)
{
List <GridIndex> newPath = new List <GridIndex>(onePath);
newPath.Add(nextIndex);
if (nextIndex == endIndex)
{
CleanUpPath(ref newPath);
return(newPath);
}
Working = true;
allPathsTmp.Add(newPath);
}
}
}
}
allPaths = allPathsTmp;
}
return(new List <GridIndex>());
}
public bool GridTileHasDirection(GridIndex index, Enums.MoveDirections dir)
{
if (index == null)
{
return(false);
}
if ((_GridMovements[index.X, index.Y, index.Z] & (byte)dir) != 0)
{
return(true);
}
return(false);
}
public int CountLinksFromGridTile(GridIndex index)
{
int Count = 0;
foreach (Enums.MoveDirections Dir in Enum.GetValues(typeof(Enums.MoveDirections)))
{
if (GridTileHasDirection(index, Dir))
{
Count++;
}
}
return(Count);
}
public override bool Equals(object obj)
{
if (obj == null)
{
return(false);
}
GridIndex p = obj as GridIndex;
if ((object)p == null)
{
return(false);
}
return(this == p);
}
public void ClearMovements(GridIndex index)
{
if (index == null)
{
return;
}
// Also considering linked surrounding tiles. Just removing all possible
RemoveMovementDirection(index.GetBelow(), Enums.MoveDirections.Top);
RemoveMovementDirection(index.GetAbove(), Enums.MoveDirections.Bottom);
RemoveMovementDirection(index.GetLeft(), Enums.MoveDirections.Right);
RemoveMovementDirection(index.GetRight(), Enums.MoveDirections.Left);
RemoveMovementDirection(index.GetFront(), Enums.MoveDirections.Back);
RemoveMovementDirection(index.GetBack(), Enums.MoveDirections.Front);
_GridMovements[index.X, index.Y, index.Z] = 0;
}
public static GridIndex operator -(GridIndex c1, GridIndex c2)
{
if (c1 == null)
{
throw new ArgumentNullException("c1");
}
if (c2 == null)
{
throw new ArgumentNullException("c2");
}
GridIndex r = new GridIndex();
r.X = c1.X - c2.X;
r.Y = c1.Y - c2.Y;
r.Z = c1.Z - c2.Z;
return(r);
}
public bool IsAdjacentTo(GridIndex otherIndex)
{
if (otherIndex == null)
{
return(false);
}
if (Math.Abs(X - otherIndex.X) > 1)
{
return(false);
}
if (Math.Abs(Y - otherIndex.Y) > 1)
{
return(false);
}
if (Math.Abs(Z - otherIndex.Z) > 1)
{
return(false);
}
return(true);
}
public GridIndex GetAbove()
{
GridIndex a = new GridIndex(0, 1, 0) + this;
return(a);
}
public GridIndex Subtract(GridIndex other)
{
return(this - other);
}
public GridIndex Add(GridIndex other)
{
return(this + other);
}
public void LinkTiles(GridIndex index1, GridIndex index2, Enums.MoveDirections dir)
{
AddMovementDirection(index2, GetOppositeMovementDirection(dir));
AddMovementDirection(index1, dir);
}
void AddMovementDirection(GridIndex Index, Enums.MoveDirections dir)
{
_GridMovements[Index.X, Index.Y, Index.Z] |= (byte)dir;
}
public GridIndex GetBack()
{
GridIndex b = new GridIndex(0, 0, 1) + this;
return(b);
}
public GridIndex GetFront()
{
GridIndex a = new GridIndex(0, 0, -1) + this;
return(a);
}
public GridIndex GetBelow()
{
GridIndex b = new GridIndex(0, -1, 0) + this;
return(b);
}
public GridIndex GetRight()
{
GridIndex r = new GridIndex(1, 0, 0) + this;
return(r);
}
public GridIndex GetLeft()
{
GridIndex l = new GridIndex(-1, 0, 0) + this;
return(l);
}
