/// <summary>
/// inspector GUI
/// </summary>
public override void OnInspectorGUI()
{
// Init
if (splineWindow == null)
{
return;
}
Spline temp = (Spline)EditorGUILayout.ObjectField("Spline", splineWindow.splineRefernce, typeof(Spline), true);
// resetting the spline variable when the refernce changes
if (GUI.changed)
{
if (temp == null)
{
splineWindow.spline = null;
splineWindow.splineRefernce = null;
}
else
{
splineWindow.splineRefernce = temp;
ScriptableObject.DestroyImmediate(splineWindow.spline);
splineWindow.spline = Spline.CreateSpline(temp);
EditorUtility.SetDirty(splineWindow.spline);
}
if (SplineTools.Instance)
{
SplineTools.Instance.Repaint();
}
EditorUtility.SetDirty(target);
}
if (!spline)
{
return;
}
SerializedObject s = new SerializedObject(spline);
EditorGUILayout.PropertyField(s.FindProperty("resolution"), new GUIContent("Resolution", "amount of segments between 2 points, increasing this number may affect performance"));
s.ApplyModifiedProperties();
if (spline.resolution < 0.1f)
{
spline.resolution = 0.1f;
}
if (spline.resolution > 500)
{
spline.resolution = 500;
}
if (GUILayout.Button("Override colors"))
{
overrideColors = !overrideColors;
}
if (overrideColors)
{
splineWindow.splineColor = EditorGUILayout.ColorField("Spline Color", splineWindow.splineColor);
splineWindow.pointColor = EditorGUILayout.ColorField("Point Color", splineWindow.pointColor);
splineWindow.handlesColor = EditorGUILayout.ColorField("Handles Color", splineWindow.handlesColor);
splineWindow.selectedColor = EditorGUILayout.ColorField("Selection Color", splineWindow.selectedColor);
}
GUILayout.Label("Total points : " + spline.Length);
if (GUI.changed)
{
SceneView.RepaintAll();
}
//drawing
SerializedObject so = new SerializedObject(spline);
splineWindow.SetWorldPositions();
foreach (int i in selectedPoints)
{
if (spline.IsValid(i))
{
EditorGUILayout.LabelField("------ Point index : " + i + " ------");
spline[i].method = EditorGUILayout.TextField(new GUIContent("Method", "method will be called when object reaches this point"), spline[i].method);
Vector3 pos = spline[i].localPosition;
// position field
Undo.RecordObject(spline, "move point");
spline[i].localPosition = EditorGUILayout.Vector3Field(new GUIContent("Position", "this point position"), spline[i].localPosition);
if (pos != spline[i].localPosition)
{
splineWindow.SetWorldPositions();
disableHandleMoving = false;
List <Vector3> handles = new List <Vector3>(spline[i].handles);
MoveHandlesWithPoint(i, spline[i].position, handles);
spline[i].handles = handles.ToArray();
splineWindow.SetLocalPositions();
}
else
{
Undo.ClearUndo(spline);
}
//handles
EditorGUILayout.LabelField("------ Handles ------");
for (int h = 0; h < spline[i].handles.Length; h++)
{
spline[i].localHandles[h] = EditorGUILayout.Vector3Field(new GUIContent("Handle " + h, "this is the handle position"), spline[i].localHandles[h]);
}
}
}
if (GUI.changed)
{
splineWindow.SetWorldPositions();
SceneView.RepaintAll();
}
so.ApplyModifiedProperties();
}
/// <summary>
/// main method it will be called when the cursor in the scene view
/// most of the functionality is in here
/// </summary>
void OnSceneGUI()
{
if (spline)
{
Undo.RecordObject(spline, "Spline edit");
}
#region Init
//getting spline asset from the SplineWindow object
splineWindow = (SplineWindow)target;
spline = splineWindow.spline;
if (!splineWindow)
{
return;
}
if (!spline && splineWindow)
{
DestroyImmediate(spline);
splineWindow.spline = Spline.CreateSpline(splineWindow.splineRefernce);
splineWindow.SetWorldPositions();
if (SplineTools.Instance)
{
SplineTools.Instance.Repaint();
}
if (!spline)
{
return;
}
}
CheckSelection();
//make sure to follow parent when nothing is selected
if (selectedPoint == -1)
{
splineWindow.SetWorldPositions();
//make sure that the main handle shows up when nothing is selected
DefaultHandles.Hidden = false;
}
else
{
DefaultHandles.Hidden = hideDefaultHandles;
}
SetCurrPositions();
#endregion
#region drawing points
if (selectedPoints.Count > 1)
{
CalculateCenterPos();
}
bool setWorldPos = true;
bool setLocalPos = false;
for (int i = 0; i < spline.Length; i++)
{
Handles.color = splineWindow.pointColor;
if (!hideArrows)
{
DrawArrow(i);
}
#region unselected points
//draw points ( main )
Vector3 pos = spline.GetPosition(i);
if (currPos[i] != pos)
{
Undo.RecordObject(spline, "Move point");
}
List <Vector3> handles = new List <Vector3>(spline[i].handles);
Handles.color = splineWindow.pointColor;
float size = HandleUtility.GetHandleSize(pos);
if (!InSelection(i))
{
// point ( main ) pressed
if (Handles.Button(pos, Quaternion.identity, size / 5, size / 5, Handles.SphereCap))
{
SelectPoint(i);
}
//draw points ( handles )
if (!hideHandles)
{
Handles.color = splineWindow.handlesColor;
foreach (Vector3 h in handles)
{
size = HandleUtility.GetHandleSize(h);
size *= 0.5f;
// point ( handles ) pressed
if (Handles.Button(h, Quaternion.identity, size / 5, size / 5, Handles.CubeCap))
{
SelectPoint(i);
}
//drawing the blue lines between main point and handle point
Handles.DrawLine(pos, h);
}
}
}
#endregion
#region selected points
// moving selected point
if (InSelection(i))
{
// hold the position to know later if it got changed
Vector3 temp = pos;
Vector3 hTemp = Vector3.zero;
// drawing points when multiple are selected
if (selectedPoints.Count > 1)
{
Handles.color = splineWindow.selectedColor;
if (Handles.Button(pos, Quaternion.identity, size / 4, size / 4, Handles.SphereCap))
{
// removes the point from selection or remove other points
if (Event.current.shift)
{
selectedPoints.Remove(i);
}
else
{
SelectPoint(i);
}
}
pos += centerDelta;
}
else
{
switch (Tools.current)
{
case Tool.Rotate:
rotation = Handles.DoRotationHandle(rotation, pos);
Handles.SphereCap(0, pos, Quaternion.identity, size / 5);
if (rotation != Quaternion.identity)
{
for (int h = 0; h < handles.Count; h++)
{
if (handleStartPositions.Count > h)
{
handles[h] = rotation * (handleStartPositions[h] - pos);
handles[h] += pos;
}
}
}
else
{
handleStartPositions = new List <Vector3>(handles);
}
scale = 1;
break;
case Tool.Scale:
Vector3 s = new Vector3(scale, 1, 1);
s = Handles.DoScaleHandle(s, pos, Quaternion.identity, size);
scale = s.x;
if (scale != 1)
{
for (int h = 0; h < handles.Count; h++)
{
if (handleStartPositions.Count > h)
{
handles[h] = handleStartPositions[h] + (handleStartPositions[h] - pos).normalized * (scale - 1);
}
}
}
else
{
handleStartPositions = new List <Vector3>(handles);
}
rotation = Quaternion.identity;
break;
default:
if (isDragMode)
{
Handles.color = splineWindow.selectedColor;
pos = Handles.FreeMoveHandle(pos, Quaternion.identity, size / 4, Vector3.zero, Handles.SphereCap);
}
else
{
pos = Handles.PositionHandle(pos, Quaternion.identity);
Handles.color = splineWindow.selectedColor;
Handles.SphereCap(0, pos, Quaternion.identity, size / 4);
}
scale = 1;
rotation = Quaternion.identity;
break;
}
}
//checking if our pos changed to reset the values
if (temp != pos)
{
setLocalPos = true;
setWorldPos = false;
}
if (Tools.current != Tool.Rotate && Tools.current != Tool.Scale)
{
MoveHandlesWithPoint(i, pos, handles);
if (!hideHandles)
{
for (int a = 0; a < handles.Count; a++)
{
hTemp = handles[a];
if (isDragMode)
{
Handles.color = splineWindow.handlesColor;
Vector3 tempHandles = Handles.FreeMoveHandle(handles[a], Quaternion.identity, size / 7, Vector3.zero, Handles.CubeCap);
handles[a] = tempHandles;
}
else
{
Handles.color = splineWindow.handlesColor;
handles[a] = Handles.PositionHandle(handles[a], Quaternion.identity);
Handles.CubeCap(0, handles[a], Quaternion.identity, size / 7);
}
if (hTemp != handles[a])
{
setLocalPos = true;
setWorldPos = false;
}
Handles.DrawLine(pos, handles[a]);
}
}
}
else if (!hideHandles)
{
foreach (Vector3 handle in handles)
{
Handles.CubeCap(0, handle, Quaternion.identity, size / 7);
Handles.DrawLine(pos, handle);
if (hTemp != handle)
{
setLocalPos = true;
setWorldPos = false;
}
}
}
}
currPos[i] = pos;
#endregion
//reassign values
spline[i].handles = handles.ToArray();
spline[i].position = pos;
if (showIndex)
{
GUIStyle style = new GUIStyle();
style.normal.textColor = Color.grey;
style.fontSize = 20;
Handles.Label(spline[i].position, i.ToString(), style);
}
}
if (setLocalPos)
{
splineWindow.SetLocalPositions();
}
if (setWorldPos)
{
splineWindow.SetWorldPositions();
}
#endregion
#region insert point
// insert by clicking on some collider
if (Event.current.control == SplinePrefs.addPointMouse.ctrl && Event.current.alt == SplinePrefs.addPointMouse.alt && Event.current.shift == SplinePrefs.addPointMouse.shift)
{
//making clicking with left click on objects disabled
HandleUtility.AddDefaultControl(GUIUtility.GetControlID(FocusType.Passive));
if (spline.Length == 0 || selectedPoint >= 0)
{
if (Event.current.clickCount == 1)
{
Ray ray = HandleUtility.GUIPointToWorldRay(Event.current.mousePosition);
RaycastHit hit;
if (Physics.Raycast(ray, out hit))
{
Insert(hit.point);
splineWindow.SetLocalPositions();
}
}
}
}
if (spline.IsValid(selectedPoint))
{
//insert by a shortcut
if (Event.current.keyCode == SplinePrefs.addPointKeyboard.keyCode && Event.current.shift && Event.current.type == EventType.KeyDown)
{
Insert(spline[selectedPoint].position + Vector3.forward);
splineWindow.SetLocalPositions();
}
}
#endregion
#region keyboard actions
// sticking to ground
if (HotkeyPressed(SplinePrefs.stickToGround) && selectedPoint != -1)
{
Undo.RecordObject(splineWindow, "stick to ground");
foreach (int i in selectedPoints)
{
StickToGround(i);
}
}
// drawing line
if (HotkeyPressed(SplinePrefs.drawLine) && selectedPoints.Count == 2)
{
spline.DrawLine(selectedPoints[0], selectedPoints[1]);
}
// remove point
if (HotkeyPressed(SplinePrefs.removePoint))
{
foreach (int i in selectedPoints)
{
spline.RemovePoint(i);
}
splineWindow.SetLocalPositions();
selectedPoints = new List <int>();
}
if (HotkeyPressed(SplinePrefs.sharpen))
{
Undo.RecordObject(spline, "Sharpen");
foreach (int i in selectedPoints)
{
spline.Sharpen(i);
splineWindow.SetLocalPositions();
SceneView.RepaintAll();
}
}
#endregion
#region others
SplineMesh sm = splineWindow.GetComponent <SplineMesh>();
if (sm != null)
{
sm.UpdatePosition();
}
if (Event.current.commandName == "UndoRedoPerformed")
{
Repaint();
}
#endregion
}