查看PlayerPrefs存储内容，及编辑存储
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#if UNITY_EDITOR_WIN using Microsoft.Win32; using System; using System.Collections.Generic; using System.Text; using UnityEditor; using UnityEditor.IMGUI.Controls; using UnityEngine; public class PlayerPrefsEditor : EditorWindow { private enum PrefType { Float = 0, Int, String, Bool }; [Serializable] private struct PrefPair { public string Key { get; set; } public object Value { get; set; } } private static readonly Encoding encoding = new UTF8Encoding(); private static readonly DateTime missingDateTime = new DateTime(1601, 1, 1); private bool showEditorPrefs; private SearchField searchField; private List<PrefPair> deserializedPlayerPrefs = new List<PrefPair>(); private readonly List<PrefPair> filteredPlayerPrefs = new List<PrefPair>(); private DateTime? lastDeserialization; private Vector2 scrollPosition; private Vector2 lastScrollPosition; private int inspectorUpdateFrame; private string searchFilter = string.Empty; private string keyQueuedForDeletion; private PrefType newEntryType = PrefType.String; private string newEntryKey = ""; private float newEntryValueFloat; private int newEntryValueInt; private bool newEntryValueBool; private string newEntryValueString = ""; private void OnEnable () { searchField = new SearchField(); } [MenuItem("Window/PlayerPrefs Editor")] private static void OpenWindow () { var editor = GetWindow<PlayerPrefsEditor>("Prefs Editor", true); editor.titleContent = new GUIContent("Prefs Editor", EditorGUIUtility.IconContent("Settings").image); editor.minSize = new Vector2(230, 400); } private void OnGUI () { EditorGUILayout.Space(); DrawTopBar(); if (!lastDeserialization.HasValue || DateTime.UtcNow - lastDeserialization.Value > TimeSpan.FromMilliseconds(500)) { deserializedPlayerPrefs = new List<PrefPair>(RetrieveSavedPrefs(PlayerSettings.companyName, PlayerSettings.productName)); lastDeserialization = DateTime.UtcNow; } DrawMainList(); DrawAddEntry(); DrawBottomMenu(); EditorGUILayout.Space(); // If the user has scrolled, deselect - this is because control IDs within carousel will change when scrolled // so we'd end up with the wrong box selected. if (scrollPosition != lastScrollPosition) GUI.FocusControl(""); } private void OnInspectorUpdate () { // If a PlayerPref has been specified for deletion. if (!string.IsNullOrEmpty(keyQueuedForDeletion)) { // If the user just deleted a PlayerPref, find the ID and defer it for deletion by OnInspectorUpdate(). if (deserializedPlayerPrefs != null) { var entryCount = deserializedPlayerPrefs.Count; for (int i = 0; i < entryCount; i++) { if (deserializedPlayerPrefs[i].Key == keyQueuedForDeletion) { deserializedPlayerPrefs.RemoveAt(i); break; } } } // Remove the queued key since we've just deleted it. keyQueuedForDeletion = null; // Update the search results and repaint the window. UpdateSearch(); Repaint(); } else if (inspectorUpdateFrame % 10 == 0) // Once a second (every 10th frame) { // Force the window to repaint. Repaint(); } // Track what frame we're on, so we can call code less often. inspectorUpdateFrame++; } private void DeleteAll () { if (showEditorPrefs) EditorPrefs.DeleteAll(); else PlayerPrefs.DeleteAll(); } private void DeleteKey (string key) { if (showEditorPrefs) EditorPrefs.DeleteKey(key); else PlayerPrefs.DeleteKey(key); } private int GetInt (string key, int defaultValue = 0) { if (showEditorPrefs) return EditorPrefs.GetInt(key, defaultValue); return PlayerPrefs.GetInt(key, defaultValue); } private float GetFloat (string key, float defaultValue = 0.0f) { if (showEditorPrefs) return EditorPrefs.GetFloat(key, defaultValue); return PlayerPrefs.GetFloat(key, defaultValue); } private string GetString (string key, string defaultValue = "") { if (showEditorPrefs) return EditorPrefs.GetString(key, defaultValue); return PlayerPrefs.GetString(key, defaultValue); } private bool GetBool (string key, bool defaultValue = false) { if (showEditorPrefs) return EditorPrefs.GetBool(key, defaultValue); throw new NotSupportedException("PlayerPrefs interface does not natively support booleans."); } private void SetInt (string key, int value) { if (showEditorPrefs) EditorPrefs.SetInt(key, value); else PlayerPrefs.SetInt(key, value); } private void SetFloat (string key, float value) { if (showEditorPrefs) EditorPrefs.SetFloat(key, value); else PlayerPrefs.SetFloat(key, value); } private void SetString (string key, string value) { if (showEditorPrefs) EditorPrefs.SetString(key, value); else PlayerPrefs.SetString(key, value); } private void SetBool (string key, bool value) { if (showEditorPrefs) EditorPrefs.SetBool(key, value); else throw new NotSupportedException("PlayerPrefs interface does not natively support booleans."); } private void Save () { if (showEditorPrefs) { } else PlayerPrefs.Save(); } /// <summary> /// This returns an array of the stored PlayerPrefs from the Windows registry, to allow /// us to to look up what's actually in the PlayerPrefs. This is used as a kind of lookup table. /// </summary> private PrefPair[] RetrieveSavedPrefs (string companyName, string productName) { RegistryKey registryKey; if (showEditorPrefs) { var majorVersion = Application.unityVersion.Split('.')[0]; registryKey = Registry.CurrentUser.OpenSubKey("Software\\Unity Technologies\\Unity Editor " + majorVersion + ".x"); } // On Windows, PlayerPrefs are stored in the registry under HKCU\Software\[company name]\[product name] key, where company and product names are the names set up in Project Settings. else registryKey = Registry.CurrentUser.OpenSubKey("Software\\Unity\\UnityEditor\\" + companyName + "\\" + productName); // No prefs saved for the project. if (registryKey is null) return Array.Empty<PrefPair>(); var valueNames = registryKey.GetValueNames(); var tempPlayerPrefs = new PrefPair[valueNames.Length]; for (int i = 0; i < valueNames.Length; i++) { var valueName = valueNames[i]; var key = valueNames[i]; // Remove the _h193410979 style suffix used on PlayerPref keys in Windows registry. var index = key.LastIndexOf("_", StringComparison.Ordinal); key = key.Remove(index, key.Length - index); var ambiguousValue = registryKey.GetValue(valueName); // Unfortunately floats will come back as an int (at least on 64 bit) because the float is stored as // 64 bit but marked as 32 bit - which confuses the GetValue() method greatly! if (ambiguousValue is int) { // If the PlayerPref is not actually an int then it must be a float, this will evaluate to true // (impossible for it to be 0 and -1 at the same time). if (GetInt(key, -1) == -1 && GetInt(key) == 0) ambiguousValue = GetFloat(key); // If it reports a non default value as a bool, it's a bool not a string. else if (showEditorPrefs && (GetBool(key, true) != true || GetBool(key))) ambiguousValue = GetBool(key); } else if (ambiguousValue.GetType() == typeof(byte[])) // On Unity 5 a string may be stored as binary, so convert it back to a string. ambiguousValue = encoding.GetString((byte[])ambiguousValue).TrimEnd('\0'); tempPlayerPrefs[i] = new PrefPair() { Key = key, Value = ambiguousValue }; } return tempPlayerPrefs; } private void UpdateSearch () { filteredPlayerPrefs.Clear(); if (string.IsNullOrEmpty(searchFilter)) return; var entryCount = deserializedPlayerPrefs.Count; for (int i = 0; i < entryCount; i++) { var fullKey = deserializedPlayerPrefs[i].Key; var displayKey = fullKey; if (displayKey.ToLower().Contains(searchFilter.ToLower())) filteredPlayerPrefs.Add(deserializedPlayerPrefs[i]); } } private void DrawTopBar () { var newSearchFilter = searchField.OnGUI(searchFilter); GUILayout.Space(4); // If the requested search filter has changed. if (newSearchFilter != searchFilter) { searchFilter = newSearchFilter; // Trigger UpdateSearch to calculate new search results. UpdateSearch(); } // Allow the user to toggle between editor and PlayerPrefs. var oldIndex = showEditorPrefs ? 1 : 0; var newIndex = GUILayout.Toolbar(oldIndex, new[] { "PlayerPrefs", "EditorPrefs" }); // Has the toggle changed? if (newIndex != oldIndex) { // Reset. lastDeserialization = null; showEditorPrefs = newIndex == 1; } } private void DrawMainList () { // The bold table headings. EditorGUILayout.BeginHorizontal(); GUILayout.Label("Key", EditorStyles.boldLabel); GUILayout.Label("Value", EditorStyles.boldLabel); GUILayout.Label("Type", EditorStyles.boldLabel, GUILayout.Width(37)); GUILayout.Label("Del", EditorStyles.boldLabel, GUILayout.Width(25)); EditorGUILayout.EndHorizontal(); var textFieldStyle = new GUIStyle(GUI.skin.textField); var activePlayerPrefs = deserializedPlayerPrefs; if (!string.IsNullOrEmpty(searchFilter)) activePlayerPrefs = filteredPlayerPrefs; int entryCount = activePlayerPrefs.Count; lastScrollPosition = scrollPosition; scrollPosition = EditorGUILayout.BeginScrollView(scrollPosition); if (scrollPosition.y < 0) scrollPosition.y = 0; // The following code has been optimised so that rather than attempting to draw UI for every single PlayerPref // it instead only draws the UI for those currently visible in the scroll view and pads above and below those // results to maintain the right size using GUILayout.Space(). This enables us to work with thousands of // PlayerPrefs without slowing the interface to a halt. var rowHeight = 18; var visibleCount = Mathf.CeilToInt((float)Screen.height / rowHeight); var firstShownIndex = Mathf.FloorToInt(scrollPosition.y / rowHeight); var shownIndexLimit = firstShownIndex + visibleCount; if (entryCount < shownIndexLimit) shownIndexLimit = entryCount; // If the number of displayed PlayerPrefs is smaller than the number we can display (like we're at the end // of the list) then move the starting index back to adjust. if (shownIndexLimit - firstShownIndex < visibleCount) firstShownIndex -= visibleCount - (shownIndexLimit - firstShownIndex); // Can't have a negative index of a first shown PlayerPref, so clamp to 0 if (firstShownIndex < 0) firstShownIndex = 0; // Pad above the on screen results so that we're not wasting draw calls on invisible UI and the drawn player // prefs end up in the same place in the list. GUILayout.Space(firstShownIndex * rowHeight); for (int i = firstShownIndex; i < shownIndexLimit; i++) { textFieldStyle.normal.textColor = GUI.skin.textField.normal.textColor; textFieldStyle.focused.textColor = GUI.skin.textField.focused.textColor; var fullKey = activePlayerPrefs[i].Key; var displayKey = fullKey; var deserializedValue = activePlayerPrefs[i].Value; EditorGUILayout.BeginHorizontal(); var valueType = deserializedValue.GetType(); EditorGUILayout.TextField(displayKey, textFieldStyle); if (valueType == typeof(float)) { var initialValue = GetFloat(fullKey); var newValue = EditorGUILayout.FloatField(initialValue, textFieldStyle); if (!Mathf.Approximately(newValue, initialValue)) { SetFloat(fullKey, newValue); Save(); } GUILayout.Label("float", GUILayout.Width(37)); } else if (valueType == typeof(int)) { var initialValue = GetInt(fullKey); int newValue = EditorGUILayout.IntField(initialValue, textFieldStyle); if (newValue != initialValue) { SetInt(fullKey, newValue); Save(); } GUILayout.Label("int", GUILayout.Width(37)); } else if (valueType == typeof(bool)) { var initialValue = GetBool(fullKey); var newValue = EditorGUILayout.Toggle(initialValue); if (newValue != initialValue) { SetBool(fullKey, newValue); Save(); } GUILayout.Label("bool", GUILayout.Width(37)); } else if (valueType == typeof(string)) { var initialValue = GetString(fullKey); var newValue = EditorGUILayout.TextField(initialValue, textFieldStyle); if (newValue != initialValue) { SetString(fullKey, newValue); Save(); } GUILayout.Label("string", GUILayout.Width(37)); } if (GUILayout.Button("X", GUILayout.Width(25))) { DeleteKey(fullKey); Save(); DeleteCachedRecord(fullKey); } EditorGUILayout.EndHorizontal(); } var bottomPadding = (entryCount - shownIndexLimit) * rowHeight; if (bottomPadding > 0) GUILayout.Space(bottomPadding); EditorGUILayout.EndScrollView(); GUILayout.Label("Entry Count: " + entryCount); var rect = GUILayoutUtility.GetLastRect(); rect.height = 1; rect.y -= 4; EditorGUI.DrawRect(rect, new Color(0.5f, 0.5f, 0.5f, 0.5f)); } private void DrawAddEntry () { var textFieldStyle = new GUIStyle(GUI.skin.textField); EditorGUILayout.Space(); GUILayout.Label(showEditorPrefs ? "Add EditorPref" : "Add PlayerPref", EditorStyles.boldLabel); EditorGUILayout.BeginHorizontal(); if (showEditorPrefs) newEntryType = (PrefType)GUILayout.Toolbar((int)newEntryType, new[] { "float", "int", "string", "bool" }); else { if (newEntryType == PrefType.Bool) newEntryType = PrefType.String; newEntryType = (PrefType)GUILayout.Toolbar((int)newEntryType, new[] { "float", "int", "string" }); } EditorGUILayout.EndHorizontal(); EditorGUILayout.BeginHorizontal(); GUILayout.Label("Key", EditorStyles.boldLabel); GUILayout.Label("Value", EditorStyles.boldLabel); EditorGUILayout.EndHorizontal(); EditorGUILayout.BeginHorizontal(); GUI.SetNextControlName("newEntryKey"); newEntryKey = EditorGUILayout.TextField(newEntryKey, textFieldStyle); GUI.SetNextControlName("newEntryValue"); switch (newEntryType) { case PrefType.Float: newEntryValueFloat = EditorGUILayout.FloatField(newEntryValueFloat, textFieldStyle); break; case PrefType.Int: newEntryValueInt = EditorGUILayout.IntField(newEntryValueInt, textFieldStyle); break; case PrefType.String: newEntryValueString = EditorGUILayout.TextField(newEntryValueString, textFieldStyle); break; case PrefType.Bool: newEntryValueBool = EditorGUILayout.Toggle(newEntryValueBool); break; } // If the user hit enter while either the key or value fields were being edited. var keyboardAddPressed = Event.current.isKey && Event.current.keyCode == KeyCode.Return && Event.current.type == EventType.KeyUp && (GUI.GetNameOfFocusedControl() == "newEntryKey" || GUI.GetNameOfFocusedControl() == "newEntryValue"); // If the user clicks the Add button or hits return (and there is a non-empty key), create the PlayerPref. if ((GUILayout.Button("Add", GUILayout.Width(40)) || keyboardAddPressed) && !string.IsNullOrEmpty(newEntryKey)) { if (newEntryType == PrefType.Float) { SetFloat(newEntryKey, newEntryValueFloat); CacheRecord(newEntryKey, newEntryValueFloat); } else if (newEntryType == PrefType.Int) { SetInt(newEntryKey, newEntryValueInt); CacheRecord(newEntryKey, newEntryValueInt); } else if (newEntryType == PrefType.Bool) { SetBool(newEntryKey, newEntryValueBool); CacheRecord(newEntryKey, newEntryValueBool); } else { SetString(newEntryKey, newEntryValueString); CacheRecord(newEntryKey, newEntryValueString); } Save(); Repaint(); newEntryKey = ""; newEntryValueFloat = 0; newEntryValueInt = 0; newEntryValueString = ""; // Deselect. GUI.FocusControl(""); } EditorGUILayout.EndHorizontal(); } private void DrawBottomMenu () { EditorGUILayout.Space(); EditorGUILayout.BeginHorizontal(); float buttonWidth = (EditorGUIUtility.currentViewWidth - 10) / 2f; if (GUILayout.Button("Delete All Preferences", GUILayout.Width(buttonWidth))) { if (EditorUtility.DisplayDialog("Delete All?", "Are you sure you want to delete all preferences?", "Delete All", "Cancel")) { DeleteAll(); Save(); deserializedPlayerPrefs.Clear(); } } GUILayout.FlexibleSpace(); if (GUILayout.Button("Force Save", GUILayout.Width(buttonWidth))) Save(); EditorGUILayout.EndHorizontal(); } private void CacheRecord (string key, object value) { // First of all check if this key already exists, if so replace it's value with the new value/ var replaced = false; var entryCount = deserializedPlayerPrefs.Count; for (int i = 0; i < entryCount; i++) { if (deserializedPlayerPrefs[i].Key == key) { deserializedPlayerPrefs[i] = new PrefPair { Key = key, Value = value }; replaced = true; break; } } // PlayerPref doesn't already exist (and wasn't replaced) so add it as new. if (!replaced) { // Cache a PlayerPref the user just created so it can be instantly display (mainly for OSX) deserializedPlayerPrefs.Add(new PrefPair { Key = key, Value = value }); } // Update the search if it's active UpdateSearch(); } private void DeleteCachedRecord (string fullKey) { keyQueuedForDeletion = fullKey; } } #endif |
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