/// <summary>
/// Remove a point from the path data
/// </summary>
void deleteSelectedPoint()
{
RFPathData pathData = rfPathManager.CurrentPathData;
pathData.DeletePoint(CurrentSelectedPoint);
Repaint();
SceneView.RepaintAll();
if (pathData.SegmentCount == 0)
{
firstPointPlaced = false;
}
selectedSegment = null;
}
/// <summary>
/// Shows the segment points - segments will "render" their points
/// </summary>
void showSegmentPoints()
{
RFPathData pathData = rfPathManager.CurrentPathData;
for (int cnt = 0; cnt < pathData.PathSegments.Count; cnt++)
{
RFPathSegment seg = pathData.PathSegments[cnt];
List <Vector3> vlist = seg.GetSegmentSteps();
// Draw the segment steps; Selected Segment shows green
Color c = Handles.color;
if (seg == selectedSegment)
{
Handles.color = Color.green;
}
else
{
Handles.color = Color.red;
}
// Iterate through and draw the segment step points. IF a point is close enough to
// the start or end points for the segment, don't draw them.
for (int vcnt = 0; vcnt < vlist.Count; vcnt += 1)
{
Vector3 loc = vlist[vcnt];
if (!seg.IsNearEnd(loc, 0.15f) && !seg.IsNearStart(loc, 0.15f))
{
Handles.SphereHandleCap(0, loc, Quaternion.identity, SEGPOINT_SIZE, EventType.Repaint);
}
}
// Draw the Control Points if the selected segment is a curve
Handles.color = c;
if (seg.IsCurve() && (seg == selectedSegment))
{
c = Handles.color;
Handles.color = Color.blue;
// Draw handle for Control Point 1
Vector3 oldPoint = seg.controlPoint1;
Vector3 newpoint = oldPoint;
EditorGUI.BeginChangeCheck();
newpoint = Handles.FreeMoveHandle(oldPoint, Quaternion.identity, ENTPOINT_SIZE, Vector3.zero, Handles.SphereHandleCap);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(pathData, "Control Point Move");
seg.controlPoint1 = newpoint;
}
drawHandleLine(newpoint, seg.segmentStartPoint, Color.gray);
// Draw Handle to Control Point 2
oldPoint = seg.controlPoint2;
newpoint = oldPoint;
EditorGUI.BeginChangeCheck();
newpoint = Handles.FreeMoveHandle(oldPoint, Quaternion.identity, ENTPOINT_SIZE, Vector3.zero, Handles.SphereHandleCap);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(pathData, "Control Point Move");
seg.controlPoint2 = newpoint;
}
Handles.color = c;
drawHandleLine(newpoint, seg.segmentEndPoint, Color.gray);
}
}
}
/// <summary>
/// Draw point / control points on the screen for easy visualization / manipulation
/// </summary>
/// <summary>
/// Draw point / control points on the screen for easy visualization / manipulation
/// </summary>
void DrawPointHandles()
{
RFPathData pathData = rfPathManager.CurrentPathData;
if (pathData == null || pathData.PathSegments == null)
{
return;
}
if (!firstPointPlaced && pathData.SegmentCount == 0)
{
return;
}
points.Clear();
Vector3 oldPoint;
Vector3 changedPoint;
bool doRepaint = false;
if (pathData.PathSegments.Count == 0)
{
EditorGUI.BeginChangeCheck();
oldPoint = Handles.FreeMoveHandle(LastPlacedPoint, Quaternion.identity, ENTPOINT_SIZE * 1.1f, Vector3.zero, Handles.SphereHandleCap);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(pathData, "End Point Move");
LastPlacedPoint = oldPoint;
doRepaint = true;
}
}
else
{
for (int cnt = 0; cnt < pathData.PathSegments.Count; cnt++)
{
RFPathSegment seg = pathData.PathSegments[cnt];
EditorGUI.BeginChangeCheck();
changedPoint = Handles.FreeMoveHandle(seg.segmentStartPoint, Quaternion.identity, ENTPOINT_SIZE * 1.1f, Vector3.zero, Handles.SphereHandleCap);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(pathData, "End Point Move");
seg.UpdateStartPoint(changedPoint);
if (cnt > 0 && cnt < pathData.PathSegments.Count)
{
RFPathSegment seg2 = pathData.PathSegments[cnt - 1];
seg2.UpdateEndPoint(changedPoint);
if (selectedSegment != seg && selectedSegment != seg2)
{
selectedSegment = null;
}
}
doRepaint = true;
}
if (cnt == pathData.PathSegments.Count - 1)
{
EditorGUI.BeginChangeCheck();
changedPoint = Handles.FreeMoveHandle(seg.segmentEndPoint, Quaternion.identity, ENTPOINT_SIZE * 1.1f, Vector3.zero, Handles.SphereHandleCap);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(pathData, "End Point Move");
seg.UpdateEndPoint(changedPoint);
doRepaint = true;
if (selectedSegment != seg)
{
selectedSegment = null;
}
}
}
}
}
showSegmentPoints();
if (doRepaint)
{
Repaint();
}
}
/// <summary>
/// Draw the target Data Segments information within the Custom Editor Window
/// </summary>
void ShowSegmentGUI()
{
RFPathData pathData = rfPathManager.CurrentPathData;
if (pathData == null || pathData.PathSegments == null)
{
return;
}
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("Select", GUILayout.Width(40));
EditorGUILayout.LabelField("Seg Type", GUILayout.Width(100));
EditorGUILayout.LabelField("Steps", GUILayout.Width(50));
EditorGUILayout.LabelField("Alpha", GUILayout.Width(50));
EditorGUILayout.EndHorizontal();
Color oldColor = GUI.color;
for (int cnt = 0; cnt < pathData.PathSegments.Count; cnt++)
{
RFPathSegment pathSeg = pathData.PathSegments[cnt];
// Highlight the selected segment data in the Editor Window
if (pathSeg == selectedSegment && selectedSegment != null)
{
GUI.color = Color.cyan;
}
else
{
GUI.color = oldColor;
}
EditorGUILayout.BeginHorizontal();
GUILayout.Space(5);
if (GUILayout.Button("S", GUILayout.Width(20)))
{
selectedSegment = pathSeg;
}
GUILayout.Space(20);
EditorGUI.BeginChangeCheck();
RFPathSegment.RFPathSegmentType newType = (RFPathSegment.RFPathSegmentType)EditorGUILayout.EnumPopup(pathSeg.segmentType, GUILayout.Width(100));
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(pathData, "Segment Type Change");
pathSeg.segmentType = newType;
pathSeg.ResetControlPoints();
}
EditorGUI.BeginChangeCheck();
float segsteps = EditorGUILayout.FloatField(pathSeg.segmentSteps, GUILayout.Width(50));
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(pathData, "Segment Step Change");
pathSeg.segmentSteps = segsteps;
}
if (pathSeg.segmentType != RFPathSegment.RFPathSegmentType.CATMULL_ROM_SPLINE)
{
EditorGUILayout.LabelField("-", GUILayout.Width(50));
}
else
{
EditorGUI.BeginChangeCheck();
float catmulalpha = EditorGUILayout.FloatField(pathSeg.alpha, GUILayout.Width(50));
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(pathData, "CatMul Alpha Change");
pathSeg.alpha = catmulalpha;
}
}
EditorGUILayout.EndHorizontal();
}
}
void OnSceneGUI()
{
// Necessary so we don't lose focus during point change up
int controlID = GUIUtility.GetControlID(FocusType.Passive);
HandleUtility.AddDefaultControl(controlID);
Event evt = Event.current;
// Mouse button was pressed... figure out where
if (evt.type == EventType.MouseDown)
{
if (evt.button == 0 && !evt.alt && !evt.command && !evt.control)
{
Vector2 mousePosition = evt.mousePosition;
Ray wRay = HandleUtility.GUIPointToWorldRay(mousePosition);
Vector3 pathPoint = wRay.GetPoint(0);
pathPoint.z = 0;
// If the first point is already placed, figure out if the player clicked on (near) a current
// Segment point (or control point); If not, add a point or segment. Adding a new segment is based
// in the LAST segment added
if (firstPointPlaced)
{
RFPathSegment tseg = rfPathManager.CurrentPathData.GetSegmentFromStepPoint(0.2f, pathPoint, true);
if (tseg != null)
{
selectedSegment = tseg;
// CurrentSelectedPoint = tseg.segmentStartPoint;
}
if (editMode)
{
// If the current path doesn't have a control point/endpoint where mose clicked...
if (!rfPathManager.CurrentPathData.DoesPointControlSegment(0.5f, pathPoint))
{
// add click point - Depending what's what, either add it to the head or add it to the tail
if (addToTail)
{
if (rfPathManager.CurrentPathData.AddPointFromLastSegment(pathPoint) == null)
{
rfPathManager.CurrentPathData.AddStraightSegment(LastPlacedPoint, pathPoint, 5);
}
}
else
{
if (rfPathManager.CurrentPathData.AddPointFromFirstSegment(pathPoint) == null)
{
rfPathManager.CurrentPathData.AddStraightSegment(LastPlacedPoint, pathPoint, 5, true);
}
}
}
CurrentSelectedPoint = pathPoint;
LastPlacedPoint = pathPoint;
}
}
if (firstPointPlaced == false)
{
firstPointPlaced = true;
}
Repaint();
SceneView.RepaintAll();
}
else if (evt.button == 1 && editMode)
{
Vector2 mousePosition = evt.mousePosition;
Ray wRay = HandleUtility.GUIPointToWorldRay(mousePosition);
Vector3 pathPoint = wRay.GetPoint(0);
pathPoint.z = 0;
// If the current path doesn't have a control point/endpoint where mose clicked...
if (rfPathManager.CurrentPathData.DoesPointControlSegment(0.5f, pathPoint))
{
CurrentSelectedPoint = pathPoint;
deleteSelectedPoint();
}
}
}
DrawPointHandles();
}
