public void UpdateNoodlePath(NoodleStyle style, object helper)
{
if (path != null)
{
path.Dispose();
}
path = new GraphicsPath();
//recalculate the two points relative to the parent container
//and adjust for scrollbar positions
if (_outputPin.ParentNode != null)
{
if (_outputPin.ParentUIGraph != null)
{
_outputPoint = (_outputPin.ParentUIGraph as DaggerUIGraph).PointToClient((_outputPin.ParentNode.UINode as DaggerUINode).PointToScreen((_outputPin.PinUIElements as PinUI).PinLocation));
_outputPoint.X += (_outputPin.ParentNode.UINode.PinSize / 2) - (_outputPin.ParentUIGraph as DaggerUIGraph).AutoScrollPosition.X;
_outputPoint.Y += (_outputPin.ParentNode.UINode.PinSize / 2) - (_outputPin.ParentUIGraph as DaggerUIGraph).AutoScrollPosition.Y;
}
}
else
{
//it's an imported pin
_outputPoint = (_outputPin.PinUIElements as PinUI).PinLocation;
if (_outputPin.ParentUIGraph != null)
{
_outputPoint.X += (_outputPin.ParentUIGraph.PinSize / 2);
_outputPoint.Y += (_outputPin.ParentUIGraph.PinSize / 2);
}
}
if (_inputPin.ParentNode != null)
{
if (_inputPin.ParentUIGraph != null)
{
_inputPoint = (_inputPin.ParentUIGraph as DaggerUIGraph).PointToClient((_inputPin.ParentNode.UINode as DaggerUINode).PointToScreen((_inputPin.PinUIElements as PinUI).PinLocation));
_inputPoint.X += (_inputPin.ParentNode.UINode.PinSize / 2) - (_inputPin.ParentUIGraph as DaggerUIGraph).AutoScrollPosition.X;
_inputPoint.Y += (_inputPin.ParentNode.UINode.PinSize / 2) - (_inputPin.ParentUIGraph as DaggerUIGraph).AutoScrollPosition.Y;
}
}
else
{
//it's an exported pin
_inputPoint = (_inputPin.PinUIElements as PinUI).PinLocation;
if (_inputPin.ParentUIGraph != null)
{
_inputPoint.X += (_inputPin.ParentUIGraph.PinSize / 2);
_inputPoint.Y += (_inputPin.ParentUIGraph.PinSize / 2);
}
}
switch (style)
{
case NoodleStyle.Bezier:
_bezierStyle();
break;
case NoodleStyle.Lines:
_lineStyle();
break;
case NoodleStyle.CircuitBoardFine:
case NoodleStyle.CircuitBoardCoarse:
{
AstarHelper bshelper = (AstarHelper)helper;
path.AddLines(_pathFinder(bshelper.grid, bshelper.pathCost, bshelper.grain).ToArray());
}
break;
case NoodleStyle.Ramen:
{
AstarHelper bshelper = (AstarHelper)helper;
path.AddCurve(_pathFinder(bshelper.grid, bshelper.pathCost, bshelper.grain).ToArray(), 0.75f);
path.Flatten();
}
break;
case NoodleStyle.BendyStraws:
{
AstarHelper bshelper = (AstarHelper)helper;
// traverse the points of the pathfinder and create 90 degree ellipses
List <Point> points = _pathFinder(bshelper.grid, bshelper.pathCost, bshelper.grain);
int pcount = 0;
Point lastpoint = points[0];
while (pcount < points.Count - 2)
{
float yi = 0, xi = 0;
float m1 = _slope(lastpoint, points[pcount + 1], ref yi, ref xi);
float m2 = _slope(points[pcount + 1], points[pcount + 2], ref yi, ref xi);
if (m1 != m2)
{
// an angle
// get the mid point of seg2 and create bezier curve
Point mpoint = (m2 == 0) ? _hmidPoint(points[pcount + 1], points[pcount + 2]) : _vmidPoint(points[pcount + 1], points[pcount + 2]);
path.AddBezier(lastpoint, points[pcount + 1], points[pcount + 1], mpoint);
lastpoint = mpoint;
pcount++;
}
else
{
// strait line
pcount++;
}
}
// add the last line
path.AddLine(lastpoint, points[points.Count - 1]);
path.Flatten();
}
break;
default:
break;
}
}
public void UpdateNoodles()
{
if (_updateRef == 0)
{
switch (_style)
{
case NoodleStyle.Default:
case NoodleStyle.Bezier:
{
foreach (DaggerNoodle noodle in _noodles)
{
noodle.UpdateNoodlePath(NoodleStyle.Bezier, null);
}
}
break;
case NoodleStyle.Lines:
{
foreach (DaggerNoodle noodle in _noodles)
{
noodle.UpdateNoodlePath(NoodleStyle.Lines, null);
}
}
break;
case NoodleStyle.CircuitBoardCoarse:
{
// create the helper
AstarHelper helper = new AstarHelper();
helper.grain = 24;
helper.pathCost = 100;
helper.diagonalCost = 50;
// create the AStar path finder
helper.grid = _createPathGrid(_uigraph, helper.grain, helper.diagonalCost);
if (helper.grid == null)
{
return;
}
foreach (DaggerNoodle noodle in _noodles)
{
noodle.UpdateNoodlePath(NoodleStyle.CircuitBoardCoarse, helper);
helper.grid.Reset();
}
}
break;
case NoodleStyle.CircuitBoardFine:
{
// create the helper
AstarHelper helper = new AstarHelper();
helper.grain = 16;
helper.pathCost = 100;
helper.diagonalCost = 20;
// create the AStar path finder
helper.grid = _createPathGrid(_uigraph, helper.grain, helper.diagonalCost);
if (helper.grid == null)
{
return;
}
foreach (DaggerNoodle noodle in _noodles)
{
noodle.UpdateNoodlePath(NoodleStyle.CircuitBoardFine, helper);
helper.grid.Reset();
}
}
break;
case NoodleStyle.Ramen:
{
// create the helper
AstarHelper helper = new AstarHelper();
helper.grain = 16;
helper.pathCost = 100;
helper.diagonalCost = 20;
// create the AStar path finder
helper.grid = _createPathGrid(_uigraph, helper.grain, helper.diagonalCost);
if (helper.grid == null)
{
return;
}
foreach (DaggerNoodle noodle in _noodles)
{
noodle.UpdateNoodlePath(NoodleStyle.Ramen, helper);
helper.grid.Reset();
}
}
break;
case NoodleStyle.BendyStraws:
{
// create the helper
AstarHelper helper = new AstarHelper();
helper.grain = 16;
helper.pathCost = 200;
helper.diagonalCost = 100;
// create the AStar path finder
helper.grid = _createPathGrid(_uigraph, helper.grain, helper.diagonalCost);
if (helper.grid == null)
{
return;
}
foreach (DaggerNoodle noodle in _noodles)
{
noodle.UpdateNoodlePath(NoodleStyle.BendyStraws, helper);
helper.grid.Reset();
}
}
break;
default:
break;
}
}
}