private void DrawPathOptions()
{
editOption = (PathModifierOption)EditorGUILayout.EnumPopup(editOption);
switch (editOption)
{
case PathModifierOption.PlaceToGround:
foreach (BezierPoint bp in script.bPoints)
{
//define ray to cast downwards waypoint position
Ray ray = new Ray(bp.wp.position + new Vector3(0, 2f, 0), -Vector3.up);
Undo.RecordObject(bp.wp, "Place To Ground");
RaycastHit hit;
//cast ray against ground, if it hit:
if (Physics.Raycast(ray, out hit, 100))
{
//position waypoint to hit point
bp.wp.position = hit.point;
}
//also try to raycast against 2D colliders
RaycastHit2D hit2D = Physics2D.Raycast(ray.origin, -Vector2.up, 100);
if (hit2D)
{
bp.wp.position = new Vector3(hit2D.point.x, hit2D.point.y, bp.wp.position.z);
}
}
break;
case PathModifierOption.InvertDirection:
//does not do anything actually
Undo.RecordObject(script, "Invert Direction");
//to reverse the whole path we need to know where the waypoints were before
//for this purpose a new copy must be created
List <List <Vector3> > waypointCopy = new List <List <Vector3> >();
for (int i = 0; i < script.bPoints.Count; i++)
{
BezierPoint curPoint = script.bPoints[i];
waypointCopy.Add(new List <Vector3>()
{
curPoint.wp.position, curPoint.cp[0].position, curPoint.cp[1].position
});
}
//reverse order based on the old list
for (int i = 0; i < script.bPoints.Count; i++)
{
BezierPoint curPoint = script.bPoints[i];
curPoint.wp.position = waypointCopy[waypointCopy.Count - 1 - i][0];
curPoint.cp[0].position = waypointCopy[waypointCopy.Count - 1 - i][2];
curPoint.cp[1].position = waypointCopy[waypointCopy.Count - 1 - i][1];
}
break;
case PathModifierOption.RotateWaypointsToPath:
Undo.RecordObject(script, "Rotate Waypoints");
//orient waypoints to the path in forward direction
for (int i = 0; i < script.bPoints.Count; i++)
{
//save child rotations before applying waypoint rotation
Vector3[] globalPos = new Vector3[script.bPoints[i].wp.childCount];
for (int j = 0; j < globalPos.Length; j++)
{
globalPos[j] = script.bPoints[i].wp.GetChild(j).position;
}
if (i == script.bPoints.Count - 1)
{
script.bPoints[i].wp.rotation = script.bPoints[i - 1].wp.rotation;
}
else
{
script.bPoints[i].wp.LookAt(script.bPoints[i + 1].wp);
}
//restore previous location after rotation
for (int j = 0; j < globalPos.Length; j++)
{
script.bPoints[i].wp.GetChild(j).position = globalPos[j];
}
}
break;
case PathModifierOption.RenameWaypoints:
//disabled because of a Unity bug that crashes the editor
//this is taken directly from the docs, thank you Unity.
//http://docs.unity3d.com/ScriptReference/Undo.RegisterCompleteObjectUndo.html
//Undo.RegisterCompleteObjectUndo(waypoints[0].gameObject, "Rename Waypoints");
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("Skip Custom Names?");
script.skipCustomNames = EditorGUILayout.Toggle(script.skipCustomNames, GUILayout.Width(20));
EditorGUILayout.EndHorizontal();
if (!GUILayout.Button("Rename Now"))
{
return;
}
RenameWaypoints(script.skipCustomNames);
break;
case PathModifierOption.UpdateFromChildren:
Undo.RecordObject(script, "Update Path From Children");
script.Create();
SceneView.RepaintAll();
break;
case PathModifierOption.ReplaceWaypointObject:
//draw object field for new waypoint object
script.replaceObject = (GameObject)EditorGUILayout.ObjectField("Replace Object", script.replaceObject, typeof(GameObject), true);
//replace all waypoints with the prefab
if (!GUILayout.Button("Replace Now"))
{
return;
}
else if (script.replaceObject == null)
{
Debug.LogWarning("No replace object set. Cancelling.");
return;
}
//Undo.RecordObject(script, "Replace Object");
Undo.RegisterFullObjectHierarchyUndo(script.transform, "Replace Object");
//old waypoints to remove after replace
List <GameObject> toRemove = new List <GameObject>();
//loop through waypoint list
for (int i = 0; i < script.bPoints.Count; i++)
{
//get current bezier point at index position
BezierPoint point = script.bPoints[i];
Transform curWP = point.wp;
//instantiate new waypoint at old position
Transform newCur = ((GameObject)Instantiate(script.replaceObject, curWP.position, Quaternion.identity)).transform;
//Undo.RegisterCreatedObjectUndo(newCur.gameObject, "Replace Object");
//parent control points to the new bezier point
Undo.SetTransformParent(point.cp[0], newCur, "Replace Object");
Undo.SetTransformParent(point.cp[1], newCur, "Replace Object");
//parent new waypoint to this path
newCur.parent = point.wp.parent;
//replace old waypoint at index
script.bPoints[i].wp = newCur;
//indicate to remove old waypoint
toRemove.Add(curWP.gameObject);
}
//destroy old waypoint object
for (int i = 0; i < toRemove.Count; i++)
{
Undo.DestroyObjectImmediate(toRemove[i]);
}
break;
}
editOption = PathModifierOption.SelectModifier;
}
private void DrawPathOptions()
{
Transform[] waypoints = GetWaypointArray();
editOption = (PathModifierOption)EditorGUILayout.EnumPopup(editOption);
switch (editOption)
{
case PathModifierOption.PlaceToGround:
foreach (Transform trans in waypoints)
{
//define ray to cast downwards waypoint position
Ray ray = new Ray(trans.position + new Vector3(0, 2f, 0), -Vector3.up);
Undo.RecordObject(trans, "Place To Ground");
RaycastHit hit;
//cast ray against ground, if it hit:
if (Physics.Raycast(ray, out hit, 100))
{
//position waypoint to hit point
trans.position = hit.point;
}
//also try to raycast against 2D colliders
RaycastHit2D hit2D = Physics2D.Raycast(ray.origin, -Vector2.up, 100);
if (hit2D)
{
trans.position = new Vector3(hit2D.point.x, hit2D.point.y, trans.position.z);
}
}
break;
case PathModifierOption.InvertDirection:
Undo.RecordObjects(waypoints, "Invert Direction");
//to reverse the whole path we need to know where the waypoints were before
//for this purpose a new copy must be created
Vector3[] waypointCopy = new Vector3[waypoints.Length];
for (int i = 0; i < waypoints.Length; i++)
{
waypointCopy[i] = waypoints[i].position;
}
//looping over the array in reversed order
for (int i = 0; i < waypoints.Length; i++)
{
waypoints[i].position = waypointCopy[waypointCopy.Length - 1 - i];
}
break;
case PathModifierOption.RotateWaypointsToPath:
Undo.RecordObjects(waypoints, "Rotate Waypoints");
//orient waypoints to the path in forward direction
for (int i = 0; i < waypoints.Length - 1; i++)
{
waypoints[i].LookAt(waypoints[i + 1]);
}
waypoints[waypoints.Length - 1].rotation = waypoints[waypoints.Length - 2].rotation;
break;
case PathModifierOption.RenameWaypoints:
//disabled because of a Unity bug that crashes the editor
//this is taken directly from the docs, thank you Unity.
//http://docs.unity3d.com/ScriptReference/Undo.RegisterCompleteObjectUndo.html
//Undo.RegisterCompleteObjectUndo(waypoints[0].gameObject, "Rename Waypoints");
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("Skip Custom Names?");
m_SkipNames.boolValue = EditorGUILayout.Toggle(m_SkipNames.boolValue, GUILayout.Width(20));
EditorGUILayout.EndHorizontal();
if (!GUILayout.Button("Rename Now"))
{
return;
}
RenameWaypoints(waypoints, m_SkipNames.boolValue);
break;
case PathModifierOption.UpdateFromChildren:
Undo.RecordObjects(waypoints, "Update Path From Children");
(m_Object.targetObject as PathManager).Create();
SceneView.RepaintAll();
break;
case PathModifierOption.ReplaceWaypointObject:
//draw object field for waypoint prefab
EditorGUILayout.PropertyField(m_WaypointPref);
//replace all waypoints with the prefab
if (!GUILayout.Button("Replace Now"))
{
return;
}
else if (m_WaypointPref == null || m_WaypointPref.objectReferenceValue == null)
{
Debug.LogWarning("No replace object set. Cancelling.");
return;
}
//get prefab object and path transform
var waypointPrefab = m_WaypointPref.objectReferenceValue as GameObject;
var path = GetWaypointAtIndex(0).parent;
Undo.RegisterFullObjectHierarchyUndo(path, "Replace Object");
//loop through waypoint array of this path
for (int i = 0; i < m_WaypointsCount.intValue; i++)
{
//get current waypoint at index position
Transform curWP = GetWaypointAtIndex(i);
//instantiate new waypoint at old position
Transform newCur = ((GameObject)Instantiate(waypointPrefab, curWP.position, Quaternion.identity)).transform;
//parent new waypoint to this path
newCur.parent = path;
//replace old waypoint at index
SetWaypoint(i, newCur);
//destroy old waypoint object
Undo.DestroyObjectImmediate(curWP.gameObject);
}
break;
}
editOption = PathModifierOption.SelectModifier;
}
