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| 1 | +#if UNITY_EDITOR && UNITY_EDITORVR |
| 2 | +using System; |
| 3 | +using System.Collections.Generic; |
| 4 | +using System.Linq; |
| 5 | +using UnityEditor.Experimental.EditorVR.Utilities; |
| 6 | +using UnityEngine; |
| 7 | +using UnityEngine.Assertions; |
| 8 | +using UnityEngine.InputNew; |
| 9 | +using System.IO; |
| 10 | +using UnityObject = UnityEngine.Object; |
| 11 | + |
| 12 | +namespace UnityEditor.Experimental.EditorVR.Core |
| 13 | +{ |
| 14 | + class EditingContextManager : MonoBehaviour |
| 15 | + { |
| 16 | + [SerializeField] |
| 17 | + UnityObject m_DefaultContext; |
| 18 | + |
| 19 | + const string k_SettingsPath = "ProjectSettings/EditingContextManagerSettings.asset"; |
| 20 | + const string k_UserSettingsPath = "Library/EditingContextManagerSettings.asset"; |
| 21 | + |
| 22 | + static EditingContextManager s_Instance; |
| 23 | + static InputManager s_InputManager; |
| 24 | + |
| 25 | + EditingContextManagerSettings m_Settings; |
| 26 | + |
| 27 | + List<IEditingContext> m_AvailableContexts; |
| 28 | + string[] m_ContextNames; |
| 29 | + int m_SelectedContextIndex; |
| 30 | + |
| 31 | + IEditingContext m_CurrentContext; |
| 32 | + readonly List<IEditingContext> m_PreviousContexts = new List<IEditingContext>(); |
| 33 | + |
| 34 | + IEditingContext defaultContext |
| 35 | + { |
| 36 | + get |
| 37 | + { |
| 38 | + var context = m_AvailableContexts.Find(c => c.Equals(m_DefaultContext)) ?? m_AvailableContexts.First(); |
| 39 | + |
| 40 | + var defaultContextName = m_Settings.defaultContextName; |
| 41 | + if (!string.IsNullOrEmpty(defaultContextName)) |
| 42 | + { |
| 43 | + var foundContext = m_AvailableContexts.Find(c => c.name == defaultContextName); |
| 44 | + if (foundContext != null) |
| 45 | + context = foundContext; |
| 46 | + } |
| 47 | + |
| 48 | + return context; |
| 49 | + } |
| 50 | + set { m_Settings.defaultContextName = value.name; } |
| 51 | + } |
| 52 | + |
| 53 | + static EditingContextManager() |
| 54 | + { |
| 55 | + VRView.viewEnabled += OnVRViewEnabled; |
| 56 | + VRView.viewDisabled += OnVRViewDisabled; |
| 57 | + } |
| 58 | + |
| 59 | + static void OnVRViewEnabled() |
| 60 | + { |
| 61 | + InitializeInputManager(); |
| 62 | + s_Instance = ObjectUtils.CreateGameObjectWithComponent<EditingContextManager>(); |
| 63 | + } |
| 64 | + |
| 65 | + static void OnVRViewDisabled() |
| 66 | + { |
| 67 | + ObjectUtils.Destroy(s_Instance.gameObject); |
| 68 | + ObjectUtils.Destroy(s_InputManager.gameObject); |
| 69 | + } |
| 70 | + |
| 71 | + [MenuItem("Window/EditorVR %e", false)] |
| 72 | + static void ShowEditorVR() |
| 73 | + { |
| 74 | + // Using a utility window improves performance by saving from the overhead of DockArea.OnGUI() |
| 75 | + EditorWindow.GetWindow<VRView>(true, "EditorVR", true); |
| 76 | + } |
| 77 | + |
| 78 | + [MenuItem("Window/EditorVR %e", true)] |
| 79 | + static bool ShouldShowEditorVR() |
| 80 | + { |
| 81 | + return PlayerSettings.virtualRealitySupported; |
| 82 | + } |
| 83 | + |
| 84 | + [MenuItem("Edit/Project Settings/EditorVR/Default Editing Context")] |
| 85 | + static void EditProjectSettings() |
| 86 | + { |
| 87 | + var settings = LoadProjectSettings(); |
| 88 | + settings.name = "Default Editing Context"; |
| 89 | + Selection.activeObject = settings; |
| 90 | + } |
| 91 | + |
| 92 | + void OnEnable() |
| 93 | + { |
| 94 | + m_Settings = LoadUserSettings(); |
| 95 | + |
| 96 | + ISetEditingContextMethods.getAvailableEditingContexts = GetAvailableEditingContexts; |
| 97 | + ISetEditingContextMethods.getPreviousEditingContexts = GetPreviousEditingContexts; |
| 98 | + ISetEditingContextMethods.setEditingContext = SetEditingContext; |
| 99 | + ISetEditingContextMethods.restorePreviousEditingContext = RestorePreviousContext; |
| 100 | + |
| 101 | + var availableContexts = GetAvailableEditingContexts(); |
| 102 | + m_ContextNames = availableContexts.Select(c => c.name).ToArray(); |
| 103 | + |
| 104 | + SetEditingContext(defaultContext); |
| 105 | + |
| 106 | + if (m_AvailableContexts.Count > 1) |
| 107 | + VRView.afterOnGUI += OnVRViewGUI; |
| 108 | + } |
| 109 | + |
| 110 | + void OnDisable() |
| 111 | + { |
| 112 | + VRView.afterOnGUI -= OnVRViewGUI; |
| 113 | + |
| 114 | + defaultContext = m_CurrentContext; |
| 115 | + m_CurrentContext.Dispose(); |
| 116 | + |
| 117 | + m_AvailableContexts = null; |
| 118 | + |
| 119 | + ISetEditingContextMethods.getAvailableEditingContexts = null; |
| 120 | + ISetEditingContextMethods.getPreviousEditingContexts = null; |
| 121 | + ISetEditingContextMethods.setEditingContext = null; |
| 122 | + ISetEditingContextMethods.restorePreviousEditingContext = null; |
| 123 | + |
| 124 | + SaveUserSettings(m_Settings); |
| 125 | + } |
| 126 | + |
| 127 | + void OnVRViewGUI(EditorWindow window) |
| 128 | + { |
| 129 | + var view = (VRView)window; |
| 130 | + GUILayout.BeginArea(view.guiRect); |
| 131 | + { |
| 132 | + GUILayout.FlexibleSpace(); |
| 133 | + GUILayout.BeginHorizontal(); |
| 134 | + { |
| 135 | + DoGUI(m_ContextNames, ref m_SelectedContextIndex, () => SetEditingContext(m_AvailableContexts[m_SelectedContextIndex])); |
| 136 | + GUILayout.FlexibleSpace(); |
| 137 | + } |
| 138 | + GUILayout.EndHorizontal(); |
| 139 | + } |
| 140 | + GUILayout.EndArea(); |
| 141 | + } |
| 142 | + |
| 143 | + internal static void DoGUI(string[] contextNames, ref int selectedContextIndex, Action callback = null) |
| 144 | + { |
| 145 | + selectedContextIndex = EditorGUILayout.Popup(string.Empty, selectedContextIndex, contextNames); |
| 146 | + if (GUI.changed) |
| 147 | + { |
| 148 | + if (callback != null) |
| 149 | + callback(); |
| 150 | + GUIUtility.ExitGUI(); |
| 151 | + } |
| 152 | + } |
| 153 | + |
| 154 | + void SetEditingContext(IEditingContext context) |
| 155 | + { |
| 156 | + if (context == null) |
| 157 | + return; |
| 158 | + |
| 159 | + if (m_CurrentContext != null) |
| 160 | + { |
| 161 | + m_PreviousContexts.Insert(0, m_CurrentContext); |
| 162 | + m_CurrentContext.Dispose(); |
| 163 | + } |
| 164 | + |
| 165 | + context.Setup(); |
| 166 | + m_CurrentContext = context; |
| 167 | + |
| 168 | + m_SelectedContextIndex = m_AvailableContexts.IndexOf(context); |
| 169 | + } |
| 170 | + |
| 171 | + void RestorePreviousContext() |
| 172 | + { |
| 173 | + if (m_PreviousContexts.Count > 0) |
| 174 | + SetEditingContext(m_PreviousContexts.First()); |
| 175 | + } |
| 176 | + |
| 177 | + static List<IEditingContext> GetEditingContextAssets() |
| 178 | + { |
| 179 | + var types = ObjectUtils.GetImplementationsOfInterface(typeof(IEditingContext)); |
| 180 | + var searchString = "t: " + string.Join(" t: ", types.Select(t => t.FullName).ToArray()); |
| 181 | + var assets = AssetDatabase.FindAssets(searchString); |
| 182 | + |
| 183 | + var availableContexts = new List<IEditingContext>(); |
| 184 | + foreach (var asset in assets) |
| 185 | + { |
| 186 | + var assetPath = AssetDatabase.GUIDToAssetPath(asset); |
| 187 | + var context = AssetDatabase.LoadMainAssetAtPath(assetPath) as IEditingContext; |
| 188 | + availableContexts.Add(context); |
| 189 | + } |
| 190 | + |
| 191 | + return availableContexts; |
| 192 | + } |
| 193 | + |
| 194 | + internal static string[] GetEditingContextNames() |
| 195 | + { |
| 196 | + var availableContexts = GetEditingContextAssets(); |
| 197 | + return availableContexts.Select(c => c.name).ToArray(); |
| 198 | + } |
| 199 | + |
| 200 | + List<IEditingContext> GetAvailableEditingContexts() |
| 201 | + { |
| 202 | + if (m_AvailableContexts == null) |
| 203 | + m_AvailableContexts = GetEditingContextAssets(); |
| 204 | + |
| 205 | + return m_AvailableContexts; |
| 206 | + } |
| 207 | + |
| 208 | + List<IEditingContext> GetPreviousEditingContexts() |
| 209 | + { |
| 210 | + return m_PreviousContexts; |
| 211 | + } |
| 212 | + |
| 213 | + static EditingContextManagerSettings LoadProjectSettings() |
| 214 | + { |
| 215 | + EditingContextManagerSettings settings = ScriptableObject.CreateInstance<EditingContextManagerSettings>(); |
| 216 | + if (File.Exists(k_SettingsPath)) |
| 217 | + JsonUtility.FromJsonOverwrite(File.ReadAllText(k_SettingsPath), settings); |
| 218 | + |
| 219 | + return settings; |
| 220 | + } |
| 221 | + |
| 222 | + static EditingContextManagerSettings LoadUserSettings() |
| 223 | + { |
| 224 | + EditingContextManagerSettings settings; |
| 225 | + if (File.Exists(k_UserSettingsPath) |
| 226 | + && File.GetLastWriteTime(k_UserSettingsPath) > File.GetLastWriteTime(k_SettingsPath)) |
| 227 | + { |
| 228 | + settings = ScriptableObject.CreateInstance<EditingContextManagerSettings>(); |
| 229 | + JsonUtility.FromJsonOverwrite(File.ReadAllText(k_UserSettingsPath), settings); |
| 230 | + } |
| 231 | + else |
| 232 | + settings = LoadProjectSettings(); |
| 233 | + |
| 234 | + return settings; |
| 235 | + } |
| 236 | + |
| 237 | + internal static void ResetProjectSettings() |
| 238 | + { |
| 239 | + File.Delete(k_UserSettingsPath); |
| 240 | + |
| 241 | + if (EditorUtility.DisplayDialog("Delete Project Settings?", "Would you like to remove the project-wide settings, too?", "Yes", "No")) |
| 242 | + File.Delete(k_SettingsPath); |
| 243 | + } |
| 244 | + |
| 245 | + internal static void SaveProjectSettings(EditingContextManagerSettings settings) |
| 246 | + { |
| 247 | + File.WriteAllText(k_SettingsPath, JsonUtility.ToJson(settings, true)); |
| 248 | + } |
| 249 | + |
| 250 | + static void SaveUserSettings(EditingContextManagerSettings settings) |
| 251 | + { |
| 252 | + File.WriteAllText(k_UserSettingsPath, JsonUtility.ToJson(settings, true)); |
| 253 | + } |
| 254 | + |
| 255 | + static void InitializeInputManager() |
| 256 | + { |
| 257 | + // HACK: InputSystem has a static constructor that is relied upon for initializing a bunch of other components, so |
| 258 | + // in edit mode we need to handle lifecycle explicitly |
| 259 | + var managers = Resources.FindObjectsOfTypeAll<InputManager>(); |
| 260 | + foreach (var m in managers) |
| 261 | + { |
| 262 | + ObjectUtils.Destroy(m.gameObject); |
| 263 | + } |
| 264 | + |
| 265 | + managers = Resources.FindObjectsOfTypeAll<InputManager>(); |
| 266 | + |
| 267 | + if (managers.Length == 0) |
| 268 | + { |
| 269 | + // Attempt creating object hierarchy via an implicit static constructor call by touching the class |
| 270 | + InputSystem.ExecuteEvents(); |
| 271 | + managers = Resources.FindObjectsOfTypeAll<InputManager>(); |
| 272 | + |
| 273 | + if (managers.Length == 0) |
| 274 | + { |
| 275 | + typeof(InputSystem).TypeInitializer.Invoke(null, null); |
| 276 | + managers = Resources.FindObjectsOfTypeAll<InputManager>(); |
| 277 | + } |
| 278 | + } |
| 279 | + Assert.IsTrue(managers.Length == 1, "Only one InputManager should be active; Count: " + managers.Length); |
| 280 | + |
| 281 | + s_InputManager = managers[0]; |
| 282 | + var go = s_InputManager.gameObject; |
| 283 | + go.hideFlags = ObjectUtils.hideFlags; |
| 284 | + ObjectUtils.SetRunInEditModeRecursively(go, true); |
| 285 | + |
| 286 | + // These components were allocating memory every frame and aren't currently used in EditorVR |
| 287 | + ObjectUtils.Destroy(s_InputManager.GetComponent<JoystickInputToEvents>()); |
| 288 | + ObjectUtils.Destroy(s_InputManager.GetComponent<MouseInputToEvents>()); |
| 289 | + ObjectUtils.Destroy(s_InputManager.GetComponent<KeyboardInputToEvents>()); |
| 290 | + ObjectUtils.Destroy(s_InputManager.GetComponent<TouchInputToEvents>()); |
| 291 | + } |
| 292 | + } |
| 293 | +} |
| 294 | +#endif |
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