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using System;
using System.Collections.Generic;
using UnityEditor;
using UnityEngine;
using UnityEngine.Serialization;
namespace XNodeEditor {
public enum NoodlePath { Curvy, Straight, Angled, ShaderLab }
public enum NoodleStroke { Full, Dashed }
public static class NodeEditorPreferences {
/// <summary> The last editor we checked. This should be the one we modify </summary>
private static XNodeEditor.NodeGraphEditor lastEditor;
/// <summary> The last key we checked. This should be the one we modify </summary>
private static string lastKey = "xNode.Settings";
private static Dictionary<Type, Color> typeColors = new Dictionary<Type, Color>();
private static Dictionary<string, Settings> settings = new Dictionary<string, Settings>();
[System.Serializable]
public class Settings : ISerializationCallbackReceiver {
[SerializeField] private Color32 _gridLineColor = new Color(0.45f, 0.45f, 0.45f);
public Color32 gridLineColor { get { return _gridLineColor; } set { _gridLineColor = value; _gridTexture = null; _crossTexture = null; } }
[SerializeField] private Color32 _gridBgColor = new Color(0.18f, 0.18f, 0.18f);
public Color32 gridBgColor { get { return _gridBgColor; } set { _gridBgColor = value; _gridTexture = null; } }
[Obsolete("Use maxZoom instead")]
public float zoomOutLimit { get { return maxZoom; } set { maxZoom = value; } }
[UnityEngine.Serialization.FormerlySerializedAs("zoomOutLimit")]
public float maxZoom = 5f;
public float minZoom = 1f;
public Color32 highlightColor = new Color32(255, 255, 255, 255);
public bool gridSnap = true;
public bool autoSave = true;
public bool dragToCreate = true;
public bool zoomToMouse = true;
public bool portTooltips = true;
[SerializeField] private string typeColorsData = "";
[NonSerialized] public Dictionary<string, Color> typeColors = new Dictionary<string, Color>();
[FormerlySerializedAs("noodleType")] public NoodlePath noodlePath = NoodlePath.Curvy;
public NoodleStroke noodleStroke = NoodleStroke.Full;
private Texture2D _gridTexture;
public Texture2D gridTexture {
get {
if (_gridTexture == null) _gridTexture = NodeEditorResources.GenerateGridTexture(gridLineColor, gridBgColor);
return _gridTexture;
}
}
private Texture2D _crossTexture;
public Texture2D crossTexture {
get {
if (_crossTexture == null) _crossTexture = NodeEditorResources.GenerateCrossTexture(gridLineColor);
return _crossTexture;
}
}
public void OnAfterDeserialize() {
// Deserialize typeColorsData
typeColors = new Dictionary<string, Color>();
string[] data = typeColorsData.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
for (int i = 0; i < data.Length; i += 2) {
Color col;
if (ColorUtility.TryParseHtmlString("#" + data[i + 1], out col)) {
typeColors.Add(data[i], col);
}
}
}
public void OnBeforeSerialize() {
// Serialize typeColors
typeColorsData = "";
foreach (var item in typeColors) {
typeColorsData += item.Key + "," + ColorUtility.ToHtmlStringRGB(item.Value) + ",";
}
}
}
/// <summary> Get settings of current active editor </summary>
public static Settings GetSettings() {
if (XNodeEditor.NodeEditorWindow.current == null) return new Settings();
if (lastEditor != XNodeEditor.NodeEditorWindow.current.graphEditor) {
object[] attribs = XNodeEditor.NodeEditorWindow.current.graphEditor.GetType().GetCustomAttributes(typeof(XNodeEditor.NodeGraphEditor.CustomNodeGraphEditorAttribute), true);
if (attribs.Length == 1) {
XNodeEditor.NodeGraphEditor.CustomNodeGraphEditorAttribute attrib = attribs[0] as XNodeEditor.NodeGraphEditor.CustomNodeGraphEditorAttribute;
lastEditor = XNodeEditor.NodeEditorWindow.current.graphEditor;
lastKey = attrib.editorPrefsKey;
} else return null;
}
if (!settings.ContainsKey(lastKey)) VerifyLoaded();
return settings[lastKey];
}
#if UNITY_2019_1_OR_NEWER
[SettingsProvider]
public static SettingsProvider CreateXNodeSettingsProvider() {
SettingsProvider provider = new SettingsProvider("Preferences/Node Editor", SettingsScope.User) {
guiHandler = (searchContext) => { XNodeEditor.NodeEditorPreferences.PreferencesGUI(); },
keywords = new HashSet<string>(new [] { "xNode", "node", "editor", "graph", "connections", "noodles", "ports" })
};
return provider;
}
#endif
#if !UNITY_2019_1_OR_NEWER
[PreferenceItem("Node Editor")]
#endif
private static void PreferencesGUI() {
VerifyLoaded();
Settings settings = NodeEditorPreferences.settings[lastKey];
if (GUILayout.Button(new GUIContent("Documentation", "https://github.com/Siccity/xNode/wiki"), GUILayout.Width(100))) Application.OpenURL("https://github.com/Siccity/xNode/wiki");
EditorGUILayout.Space();
NodeSettingsGUI(lastKey, settings);
GridSettingsGUI(lastKey, settings);
SystemSettingsGUI(lastKey, settings);
TypeColorsGUI(lastKey, settings);
if (GUILayout.Button(new GUIContent("Set Default", "Reset all values to default"), GUILayout.Width(120))) {
ResetPrefs();
}
}
private static void GridSettingsGUI(string key, Settings settings) {
//Label
EditorGUILayout.LabelField("Grid", EditorStyles.boldLabel);
settings.gridSnap = EditorGUILayout.Toggle(new GUIContent("Snap", "Hold CTRL in editor to invert"), settings.gridSnap);
settings.zoomToMouse = EditorGUILayout.Toggle(new GUIContent("Zoom to Mouse", "Zooms towards mouse position"), settings.zoomToMouse);
EditorGUILayout.LabelField("Zoom");
EditorGUI.indentLevel++;
settings.maxZoom = EditorGUILayout.FloatField(new GUIContent("Max", "Upper limit to zoom"), settings.maxZoom);
settings.minZoom = EditorGUILayout.FloatField(new GUIContent("Min", "Lower limit to zoom"), settings.minZoom);
EditorGUI.indentLevel--;
settings.gridLineColor = EditorGUILayout.ColorField("Color", settings.gridLineColor);
settings.gridBgColor = EditorGUILayout.ColorField(" ", settings.gridBgColor);
if (GUI.changed) {
SavePrefs(key, settings);
NodeEditorWindow.RepaintAll();
}
EditorGUILayout.Space();
}
private static void SystemSettingsGUI(string key, Settings settings) {
//Label
EditorGUILayout.LabelField("System", EditorStyles.boldLabel);
settings.autoSave = EditorGUILayout.Toggle(new GUIContent("Autosave", "Disable for better editor performance"), settings.autoSave);
if (GUI.changed) SavePrefs(key, settings);
EditorGUILayout.Space();
}
private static void NodeSettingsGUI(string key, Settings settings) {
//Label
EditorGUILayout.LabelField("Node", EditorStyles.boldLabel);
settings.highlightColor = EditorGUILayout.ColorField("Selection", settings.highlightColor);
settings.noodlePath = (NoodlePath) EditorGUILayout.EnumPopup("Noodle path", (Enum) settings.noodlePath);
settings.noodleStroke = (NoodleStroke) EditorGUILayout.EnumPopup("Noodle stroke", (Enum) settings.noodleStroke);
settings.portTooltips = EditorGUILayout.Toggle("Port Tooltips", settings.portTooltips);
settings.dragToCreate = EditorGUILayout.Toggle(new GUIContent("Drag to Create", "Drag a port connection anywhere on the grid to create and connect a node"), settings.dragToCreate);
if (GUI.changed) {
SavePrefs(key, settings);
NodeEditorWindow.RepaintAll();
}
EditorGUILayout.Space();
}
private static void TypeColorsGUI(string key, Settings settings) {
//Label
EditorGUILayout.LabelField("Types", EditorStyles.boldLabel);
//Clone keys so we can enumerate the dictionary and make changes.
var typeColorKeys = new List<Type>(typeColors.Keys);
//Display type colors. Save them if they are edited by the user
foreach (var type in typeColorKeys) {
string typeColorKey = NodeEditorUtilities.PrettyName(type);
Color col = typeColors[type];
EditorGUI.BeginChangeCheck();
EditorGUILayout.BeginHorizontal();
col = EditorGUILayout.ColorField(typeColorKey, col);
EditorGUILayout.EndHorizontal();
if (EditorGUI.EndChangeCheck()) {
typeColors[type] = col;
if (settings.typeColors.ContainsKey(typeColorKey)) settings.typeColors[typeColorKey] = col;
else settings.typeColors.Add(typeColorKey, col);
SavePrefs(key, settings);
NodeEditorWindow.RepaintAll();
}
}
}
/// <summary> Load prefs if they exist. Create if they don't </summary>
private static Settings LoadPrefs() {
// Create settings if it doesn't exist
if (!EditorPrefs.HasKey(lastKey)) {
if (lastEditor != null) EditorPrefs.SetString(lastKey, JsonUtility.ToJson(lastEditor.GetDefaultPreferences()));
else EditorPrefs.SetString(lastKey, JsonUtility.ToJson(new Settings()));
}
return JsonUtility.FromJson<Settings>(EditorPrefs.GetString(lastKey));
}
/// <summary> Delete all prefs </summary>
public static void ResetPrefs() {
if (EditorPrefs.HasKey(lastKey)) EditorPrefs.DeleteKey(lastKey);
if (settings.ContainsKey(lastKey)) settings.Remove(lastKey);
typeColors = new Dictionary<Type, Color>();
VerifyLoaded();
NodeEditorWindow.RepaintAll();
}
/// <summary> Save preferences in EditorPrefs </summary>
private static void SavePrefs(string key, Settings settings) {
EditorPrefs.SetString(key, JsonUtility.ToJson(settings));
}
/// <summary> Check if we have loaded settings for given key. If not, load them </summary>
private static void VerifyLoaded() {
if (!settings.ContainsKey(lastKey)) settings.Add(lastKey, LoadPrefs());
}
/// <summary> Return color based on type </summary>
public static Color GetTypeColor(System.Type type) {
VerifyLoaded();
if (type == null) return Color.gray;
Color col;
if (!typeColors.TryGetValue(type, out col)) {
string typeName = type.PrettyName();
if (settings[lastKey].typeColors.ContainsKey(typeName)) typeColors.Add(type, settings[lastKey].typeColors[typeName]);
else {
#if UNITY_5_4_OR_NEWER
UnityEngine.Random.State oldState = UnityEngine.Random.state;
UnityEngine.Random.InitState(typeName.GetHashCode());
#else
int oldSeed = UnityEngine.Random.seed;
UnityEngine.Random.seed = typeName.GetHashCode();
#endif
col = new Color(UnityEngine.Random.value, UnityEngine.Random.value, UnityEngine.Random.value);
typeColors.Add(type, col);
#if UNITY_5_4_OR_NEWER
UnityEngine.Random.state = oldState;
#else
UnityEngine.Random.seed = oldSeed;
#endif
}
}
return col;
}
}
}
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