// From: https://wiki.unity3d.com/index.php?title=CreateScriptableObjectAsset
public static void CreateAsset(string path, List <Vector3> nodes)
{
GoPathSettings asset = ScriptableObject.CreateInstance <GoPathSettings>();
asset.Nodes = nodes;
AssetDatabase.CreateAsset(asset, AssetDatabase.GenerateUniqueAssetPath(path));
AssetDatabase.SaveAssets();
AssetDatabase.Refresh();
EditorUtility.FocusProjectWindow();
Selection.activeObject = asset;
}
private void saveAsScriptableObject(string path)
{
GoPathSettings.CreateAsset(path, _target.nodes);
}
public override void OnInspectorGUI()
{
// what kind of handles shall we use?
EditorGUILayout.BeginHorizontal();
EditorGUILayout.PrefixLabel("Use Standard Handles");
_target.useStandardHandles = EditorGUILayout.Toggle(_target.useStandardHandles);
EditorGUILayout.EndHorizontal();
// path name:
EditorGUILayout.BeginHorizontal();
EditorGUILayout.PrefixLabel("Route Name");
_target.pathName = EditorGUILayout.TextField(_target.pathName);
EditorGUILayout.EndHorizontal();
if (_target.pathName == string.Empty)
{
_target.pathName = "route" + Random.Range(1, 100000);
}
// path color:
EditorGUILayout.BeginHorizontal();
EditorGUILayout.PrefixLabel("Route Color");
_target.pathColor = EditorGUILayout.ColorField(_target.pathColor);
EditorGUILayout.EndHorizontal();
// force straight lines:
EditorGUILayout.BeginHorizontal();
EditorGUILayout.PrefixLabel("Force Straight Line Path");
_target.forceStraightLinePath = EditorGUILayout.Toggle(_target.forceStraightLinePath);
EditorGUILayout.EndHorizontal();
// resolution
EditorGUILayout.BeginHorizontal();
EditorGUILayout.PrefixLabel("Editor Drawing Resolution");
_target.pathResolution = EditorGUILayout.IntSlider(_target.pathResolution, 2, 100);
EditorGUILayout.EndHorizontal();
EditorGUILayout.Separator();
// insert node - we need 3 or more nodes for insert to make sense
if (_target.nodes.Count > 2)
{
EditorGUILayout.BeginHorizontal();
EditorGUILayout.PrefixLabel("Insert Node");
_insertIndex = EditorGUILayout.IntField(_insertIndex);
if (GUILayout.Button("Insert"))
{
// validate the index
if (_insertIndex >= 0 && _insertIndex < _target.nodes.Count)
{
// insert the node offsetting it a bit from the previous node
var copyNodeIndex = _insertIndex == 0 ? 0 : _insertIndex;
var copyNode = _target.nodes[copyNodeIndex];
copyNode.x += 10;
copyNode.z += 10;
insertNodeAtIndex(copyNode, _insertIndex);
}
}
EditorGUILayout.EndHorizontal();
}
// close route?
if (GUILayout.Button("Close Path"))
{
Undo.RecordObject(_target, "Path Vector Changed");
closeRoute();
GUI.changed = true;
}
// shift the start point to the origin
if (GUILayout.Button("Shift Path to Start at Origin"))
{
Undo.RecordObject(_target, "Path Vector Changed");
var offset = Vector3.zero;
// see what kind of path we are. the simplest case is just a straight line
var path = new GoSpline(_target.nodes, _target.forceStraightLinePath);
if (path.splineType == GoSplineType.StraightLine || _target.nodes.Count < 5)
{
offset = Vector3.zero - _target.nodes[0];
}
else
{
offset = Vector3.zero - _target.nodes[1];
}
for (var i = 0; i < _target.nodes.Count; i++)
{
_target.nodes[i] += offset;
}
GUI.changed = true;
}
// reverse
if (GUILayout.Button("Reverse Path"))
{
Undo.RecordObject(_target, "Path Vector Changed");
_target.nodes.Reverse();
GUI.changed = true;
}
// persist to disk
EditorGUILayout.Space();
EditorGUILayout.LabelField("Save to/Read from Disk");
// Should we save it as a ScriptableObject instead?
EditorGUILayout.Space();
EditorGUILayout.BeginHorizontal();
EditorGUILayout.PrefixLabel("Save As Scriptable Object");
_saveAsScriptableObject = EditorGUILayout.Toggle(_saveAsScriptableObject);
EditorGUILayout.EndHorizontal();
EditorGUILayout.Space();
EditorGUILayout.BeginHorizontal();
EditorGUILayout.PrefixLabel("Serialize and Save Path");
if (GUILayout.Button("Save"))
{
if (_saveAsScriptableObject)
{
if (_saveAsScriptableObject)
{
var folderPath = EditorUtility.OpenFolderPanel("Save Folder", Application.dataPath, "");
if (folderPath != string.Empty)
{
saveAsScriptableObject(folderPath.Replace(Application.dataPath, "Assets") + "/" + _target.pathName + ".asset");
}
}
}
else
{
var path = EditorUtility.SaveFilePanel("Save path", Application.dataPath + "/StreamingAssets", _target.pathName + ".asset", "asset");
if (path != string.Empty)
{
persistRouteToDisk(path);
// fetch the filename and set it as the routeName
_target.pathName = Path.GetFileName(path).Replace(".asset", string.Empty);
}
}
GUI.changed = true;
}
EditorGUILayout.EndHorizontal();
EditorGUILayout.Space();
EditorGUILayout.BeginHorizontal();
EditorGUILayout.PrefixLabel("Load From Scriptable Object");
_loadFromScriptableObject = EditorGUILayout.Toggle(_loadFromScriptableObject);
EditorGUILayout.EndHorizontal();
// load from disk
EditorGUILayout.BeginHorizontal();
EditorGUILayout.PrefixLabel("Load saved path");
if (GUILayout.Button("Load"))
{
if (_loadFromScriptableObject)
{
var path = EditorUtility.OpenFilePanel("Choose path to load", Path.Combine(Application.dataPath, "Asset"), "asset");
if (path != string.Empty)
{
GoPathSettings asset = AssetDatabase.LoadAssetAtPath(path.Replace(Application.dataPath, "Assets"), typeof(GoPathSettings)) as GoPathSettings;
if (asset != null)
{
_target.nodes = asset.Nodes;
_target.pathName = Path.GetFileName(path).Replace(".asset", string.Empty);
}
else
{
Debug.LogError("Incorrect file selected");
}
}
}
else
{
var path = EditorUtility.OpenFilePanel("Choose path to load",
Path.Combine(Application.dataPath, "StreamingAssets"), "asset");
if (path != string.Empty)
{
if (!File.Exists(path))
{
EditorUtility.DisplayDialog("File does not exist", "Path couldn't find the file you specified",
"Close");
}
else
{
_target.nodes = GoSpline.bytesToVector3List(File.ReadAllBytes(path));
_target.pathName = Path.GetFileName(path).Replace(".asset", string.Empty);
}
}
GUI.changed = true;
}
}
EditorGUILayout.EndHorizontal();
// node display
EditorGUILayout.Space();
_showNodeDetails = EditorGUILayout.Foldout(_showNodeDetails, "Show Node Values");
if (_showNodeDetails)
{
EditorGUI.indentLevel++;
for (int i = 0; i < _target.nodes.Count; i++)
{
_target.nodes[i] = EditorGUILayout.Vector3Field("Node " + (i + 1), _target.nodes[i]);
}
EditorGUI.indentLevel--;
}
// instructions
EditorGUILayout.Space();
EditorGUILayout.HelpBox("While dragging a node, hold down Ctrl and slowly move the cursor to snap to a nearby point\n\n" +
"Click the 'Close Path' button to add a new node that will close out the current path.\n\n" +
"Hold Command while dragging a node to snap in 5 point increments\n\n" +
"Double click to add a new node at the end of the path\n\n" +
"Hold down alt while adding a node to prepend the new node at the front of the route\n\n" +
"Press delete or backspace to delete the selected node\n\n" +
"NOTE: make sure you have the pan tool selected while editing paths", MessageType.None);
// update and redraw:
if (GUI.changed)
{
EditorUtility.SetDirty(_target);
Repaint();
}
}