public void ShowPath(List<PositionedNode> path)
{
if (path.Count == 0)
{
return;
}
Text text;
for (int i = 0; i < path.Count - 1; i++)
{
Line line = new Line();
line.Visible = true;
line.RelativePoint1.X = 0;
line.RelativePoint1.Y = 0;
line.Position = path[i].Position;
line.RelativePoint2.X = path[i + 1].X - line.Position.X;
line.RelativePoint2.Y = path[i + 1].Y - line.Position.Y;
line.Color = Color.Yellow;
mPath.Add(line);
text = TextManager.AddText(path[i].CostToGetHere.ToString());
text.Position = path[i].Position;
text.X += .5f;
text.Y += .5f;
mCosts.Add(text);
}
text = TextManager.AddText(path[path.Count - 1].CostToGetHere.ToString());
text.Position = path[path.Count - 1].Position;
text.X += .5f;
text.Y += .5f;
mCosts.Add(text);
}
public void SelectNode(PositionedNode nodeToSelect)
{
#region Finding path between two nodes
if (GuiData.ToolsWindow.IsFindPathToNodeButtonPressed && mCurrentNodes.Count != 0 && nodeToSelect != null)
{
// The button should come back up
GuiData.ToolsWindow.IsFindPathToNodeButtonPressed = false;
List <PositionedNode> positionedNodes =
EditorData.NodeNetwork.GetPath(mCurrentNodes[0], nodeToSelect);
mPathDisplay.ShowPath(positionedNodes);
if (positionedNodes.Count == 0)
{
GuiManager.ShowMessageBox("The two nodes are not connected by links.", "Not Connected");
}
}
#endregion
#region else, simply selecting node
else
{
mCurrentNodes.Clear();
if (nodeToSelect != null)
{
mCurrentNodes.Add(nodeToSelect);
}
}
#endregion
}
