private PathfindingChunk CreateChunk(GridId gridId, MapIndices indices)
{
var newChunk = new PathfindingChunk(gridId, indices);
if (!_graph.ContainsKey(gridId))
{
_graph.Add(gridId, new Dictionary <MapIndices, PathfindingChunk>());
}
_graph[gridId].Add(indices, newChunk);
newChunk.Initialize(_mapManager.GetGrid(gridId));
return(newChunk);
}
private PathfindingChunk CreateChunk(GridId gridId, MapIndices indices)
{
var newChunk = new PathfindingChunk(gridId, indices);
newChunk.Initialize();
if (_graph.TryGetValue(gridId, out var chunks))
{
for (var x = -1; x < 2; x++)
{
for (var y = -1; y < 2; y++)
{
if (x == 0 && y == 0)
{
continue;
}
var neighborIndices = new MapIndices(
indices.X + x * PathfindingChunk.ChunkSize,
indices.Y + y * PathfindingChunk.ChunkSize);
if (chunks.TryGetValue(neighborIndices, out var neighborChunk))
{
neighborChunk.AddNeighbor(newChunk);
}
}
}
}
else
{
_graph.Add(gridId, new Dictionary <MapIndices, PathfindingChunk>());
}
_graph[gridId].Add(indices, newChunk);
return(newChunk);
}
public PathfindingNode(PathfindingChunk parent, TileRef tileRef)
{
_parentChunk = parent;
TileRef = tileRef;
GenerateMask();
}
public PathfindingChunkUpdateMessage(PathfindingChunk chunk)
{
Chunk = chunk;
}
/// <summary>
/// This will work both ways
/// </summary>
/// <param name="chunk"></param>
/// <exception cref="InvalidOperationException"></exception>
public void AddNeighbor(PathfindingChunk chunk)
{
if (chunk == this)
{
return;
}
if (Neighbors.ContainsValue(chunk))
{
return;
}
Direction direction;
if (chunk.Indices.X < _indices.X)
{
if (chunk.Indices.Y > _indices.Y)
{
direction = Direction.NorthWest;
}
else if (chunk.Indices.Y < _indices.Y)
{
direction = Direction.SouthWest;
}
else
{
direction = Direction.West;
}
}
else if (chunk.Indices.X > _indices.X)
{
if (chunk.Indices.Y > _indices.Y)
{
direction = Direction.NorthEast;
}
else if (chunk.Indices.Y < _indices.Y)
{
direction = Direction.SouthEast;
}
else
{
direction = Direction.East;
}
}
else
{
if (chunk.Indices.Y > _indices.Y)
{
direction = Direction.North;
}
else if (chunk.Indices.Y < _indices.Y)
{
direction = Direction.South;
}
else
{
throw new InvalidOperationException();
}
}
Neighbors.TryAdd(direction, chunk);
foreach (var node in GetBorderNodes(direction))
{
foreach (var counter in chunk.GetCounterpartNodes(direction))
{
var xDiff = node.TileRef.X - counter.TileRef.X;
var yDiff = node.TileRef.Y - counter.TileRef.Y;
if (Math.Abs(xDiff) <= 1 && Math.Abs(yDiff) <= 1)
{
node.AddNeighbor(counter);
counter.AddNeighbor(node);
}
}
}
chunk.Neighbors.TryAdd(OppositeDirection(direction), this);
if (Neighbors.Count > 8)
{
throw new InvalidOperationException();
}
}