void SplitAtPoint(int index)
{
RecordUndo("Split Spline");
SplinePoint[] splitPoints = new SplinePoint[spline.pointCount - index];
for (int i = 0; i < splitPoints.Length; i++)
{
splitPoints[i] = spline.GetPoint(index + i);
}
SplineComputer newSpline = CreateNewSpline();
newSpline.SetPoints(splitPoints);
HandleNodes(newSpline, index);
SplineUser[] users = newSpline.GetSubscribers();
for (int i = 0; i < users.Length; i++)
{
users[i].clipFrom = DMath.InverseLerp((double)index / (spline.pointCount - 1), 1.0, users[i].clipFrom);
users[i].clipTo = DMath.InverseLerp((double)index / (spline.pointCount - 1), 1.0, users[i].clipTo);
}
splitPoints = new SplinePoint[index + 1];
for (int i = 0; i <= index; i++)
{
splitPoints[i] = spline.GetPoint(i);
}
spline.SetPoints(splitPoints);
users = spline.GetSubscribers();
for (int i = 0; i < users.Length; i++)
{
users[i].clipFrom = DMath.InverseLerp(0.0, ((double)index) / (spline.pointCount - 1), users[i].clipFrom);
users[i].clipTo = DMath.InverseLerp(0.0, ((double)index) / (spline.pointCount - 1), users[i].clipTo);
}
}
void SplitAtPercent(double percent)
{
RecordUndo("Split Spline");
float pointValue = (spline.pointCount - 1) * (float)percent;
int lastPointIndex = Mathf.FloorToInt(pointValue);
int nextPointIndex = Mathf.CeilToInt(pointValue);
SplinePoint[] splitPoints = new SplinePoint[spline.pointCount - lastPointIndex];
float lerpPercent = Mathf.InverseLerp(lastPointIndex, nextPointIndex, pointValue);
SplinePoint splitPoint = SplinePoint.Lerp(spline.GetPoint(lastPointIndex), spline.GetPoint(nextPointIndex), lerpPercent);
splitPoint.SetPosition(spline.EvaluatePosition(percent));
splitPoints[0] = splitPoint;
for (int i = 1; i < splitPoints.Length; i++)
{
splitPoints[i] = spline.GetPoint(lastPointIndex + i);
}
SplineComputer newSpline = CreateNewSpline();
newSpline.SetPoints(splitPoints);
HandleNodes(newSpline, lastPointIndex);
SplineUser[] users = newSpline.GetSubscribers();
for (int i = 0; i < users.Length; i++)
{
users[i].clipFrom = DMath.InverseLerp(percent, 1.0, users[i].clipFrom);
users[i].clipTo = DMath.InverseLerp(percent, 1.0, users[i].clipTo);
}
splitPoints = new SplinePoint[lastPointIndex + 2];
for (int i = 0; i <= lastPointIndex; i++)
{
splitPoints[i] = spline.GetPoint(i);
}
splitPoints[splitPoints.Length - 1] = splitPoint;
spline.SetPoints(splitPoints);
users = spline.GetSubscribers();
for (int i = 0; i < users.Length; i++)
{
users[i].clipFrom = DMath.InverseLerp(0.0, percent, users[i].clipFrom);
users[i].clipTo = DMath.InverseLerp(0.0, percent, users[i].clipTo);
}
}
void Merge(int index, MergeSide mergingSide)
{
RecordUndo("Merge Splines");
SplineComputer mergedSpline = availableMergeComputers[index];
SplinePoint[] mergedPoints = mergedSpline.GetPoints();
SplinePoint[] original = spline.GetPoints();
List <SplinePoint> pointsList = new List <SplinePoint>();
SplinePoint[] points;
if (!mergeEndpoints)
{
points = new SplinePoint[mergedPoints.Length + original.Length];
}
else
{
points = new SplinePoint[mergedPoints.Length + original.Length - 1];
}
if (mergeSide == MergeSide.End)
{
if (mergingSide == MergeSide.Start)
{
for (int i = 0; i < original.Length; i++)
{
pointsList.Add(original[i]);
}
for (int i = mergeEndpoints ? 1 : 0; i < mergedPoints.Length; i++)
{
pointsList.Add(mergedPoints[i]);
}
}
else
{
for (int i = 0; i < original.Length; i++)
{
pointsList.Add(original[i]);
}
for (int i = 0; i < mergedPoints.Length - (mergeEndpoints ? 1 : 0); i++)
{
pointsList.Add(mergedPoints[(mergedPoints.Length - 1) - i]);
}
}
}
else
{
if (mergingSide == MergeSide.Start)
{
for (int i = 0; i < mergedPoints.Length - (mergeEndpoints ? 1 : 0); i++)
{
pointsList.Add(mergedPoints[(mergedPoints.Length - 1) - i]);
}
for (int i = 0; i < original.Length; i++)
{
pointsList.Add(original[i]);
}
}
else
{
for (int i = mergeEndpoints ? 1 : 0; i < mergedPoints.Length; i++)
{
pointsList.Add(mergedPoints[i]);
}
for (int i = 0; i < original.Length; i++)
{
pointsList.Add(original[i]);
}
}
}
points = pointsList.ToArray();
double mergedPercent = (double)(mergedPoints.Length - 1) / (points.Length - 1);
double from = 0.0;
double to = 1.0;
if (mergeSide == MergeSide.End)
{
from = 1.0 - mergedPercent;
to = 1.0;
}
else
{
from = 0.0;
to = mergedPercent;
}
List <Node> mergedNodes = new List <Node>();
List <int> mergedIndices = new List <int>();
for (int i = 0; i < mergedSpline.pointCount; i++)
{
Node node = mergedSpline.GetNode(i);
if (node != null)
{
mergedNodes.Add(node);
mergedIndices.Add(i);
Undo.RecordObject(node, "Disconnect Node");
mergedSpline.DisconnectNode(i);
i--;
}
}
SplineUser[] subs = mergedSpline.GetSubscribers();
for (int i = 0; i < subs.Length; i++)
{
mergedSpline.Unsubscribe(subs[i]);
subs[i].spline = spline;
subs[i].clipFrom = DMath.Lerp(from, to, subs[i].clipFrom);
subs[i].clipTo = DMath.Lerp(from, to, subs[i].clipTo);
}
spline.SetPoints(points);
if (mergeSide == MergeSide.Start)
{
spline.ShiftNodes(0, spline.pointCount - 1, mergedSpline.pointCount);
for (int i = 0; i < mergedNodes.Count; i++)
{
spline.ConnectNode(mergedNodes[i], mergedIndices[i]);
}
}
else
{
for (int i = 0; i < mergedNodes.Count; i++)
{
int connectIndex = mergedIndices[i] + original.Length;
if (mergeEndpoints)
{
connectIndex--;
}
spline.ConnectNode(mergedNodes[i], connectIndex);
}
}
if (EditorUtility.DisplayDialog("Keep merged computer's GameObject?", "Do you want to keep the merged computer's game object?", "Yes", "No"))
{
Undo.DestroyObjectImmediate(mergedSpline);
}
else
{
for (int i = 0; i < mergedNodes.Count; i++)
{
if (TransformUtility.IsParent(mergedNodes[i].transform, mergedSpline.transform))
{
Undo.SetTransformParent(mergedNodes[i].transform, mergedSpline.transform.parent, "Reparent Node");
}
}
Undo.DestroyObjectImmediate(mergedSpline.gameObject);
}
FindAvailableComputers();
}