A game about forced loneliness, made by TACStudios
1using System;
2using System.Collections.Generic;
3using System.IO;
4using System.Linq;
5using UnityEngine;
6using UnityEngine.U2D.Animation;
7using Object = UnityEngine.Object;
8
9namespace UnityEditor.U2D.Animation
10{
11 internal static class SpriteLibraryUtilitiesEditor
12 {
13 public static void ExportSpriteLibraryToAssetFile(SpriteLibrary spriteLibrary, string savePath)
14 {
15 Debug.Assert(!string.IsNullOrEmpty(savePath) && !string.IsNullOrEmpty(Path.GetFileName(savePath)));
16
17 var serializedObject = new SerializedObject(spriteLibrary);
18 var masterLibraryProperty = serializedObject.FindProperty(SpriteLibraryComponentPropertyString.spriteLibraryAsset);
19 var libraryProperty = serializedObject.FindProperty(SpriteLibraryComponentPropertyString.library);
20
21 var masterLibraryPath = masterLibraryProperty.objectReferenceValue != null ? AssetDatabase.GetAssetPath(masterLibraryProperty.objectReferenceValue) : "";
22
23 var overrides = new List<SpriteLibCategoryOverride>();
24 CopySpriteLibraryToOverride(overrides, libraryProperty);
25 var assetToSave = ScriptableObject.CreateInstance<SpriteLibrarySourceAsset>();
26 assetToSave.SetLibrary(overrides);
27 if (!string.IsNullOrEmpty(masterLibraryPath))
28 assetToSave.SetPrimaryLibraryGUID(AssetDatabase.AssetPathToGUID(masterLibraryPath));
29 SpriteLibrarySourceAssetImporter.SaveSpriteLibrarySourceAsset(assetToSave, savePath);
30 Object.DestroyImmediate(assetToSave);
31
32 AssetDatabase.ImportAsset(savePath);
33 var savedAsset = AssetDatabase.LoadAssetAtPath<SpriteLibraryAsset>(savePath);
34 if (savedAsset == null)
35 {
36 Debug.LogError($"Failed to export Sprite Library Asset to {savePath} asset.");
37 return;
38 }
39
40 libraryProperty.ClearArray();
41 masterLibraryProperty.objectReferenceValue = savedAsset;
42 serializedObject.ApplyModifiedProperties();
43 serializedObject.Update();
44 }
45
46 public static void CopySpriteLibraryToOverride(IList<SpriteLibCategoryOverride> destination, SerializedProperty library)
47 {
48 if (destination == null || library == null || library.arraySize == 0)
49 return;
50
51 destination.Clear();
52
53 var categoryEntries = library.GetArrayElementAtIndex(0);
54 for (var i = 0; i < library.arraySize; ++i)
55 {
56 var overrideCategory = new SpriteLibCategoryOverride()
57 {
58 categoryList = new List<SpriteCategoryEntry>(),
59 entryOverrideCount = 0,
60 fromMain = false,
61 name = categoryEntries.FindPropertyRelative(SpriteLibraryPropertyString.name).stringValue,
62 overrideEntries = new List<SpriteCategoryEntryOverride>()
63 };
64 var entries = categoryEntries.FindPropertyRelative(SpriteLibraryPropertyString.categoryList);
65 var overrideCategoryEntries = overrideCategory.overrideEntries;
66 if (entries.arraySize > 0)
67 {
68 var entry = entries.GetArrayElementAtIndex(0);
69 for (var j = 0; j < entries.arraySize; ++j)
70 {
71 overrideCategoryEntries.Add(new SpriteCategoryEntryOverride()
72 {
73 fromMain = false,
74 name = entry.FindPropertyRelative(SpriteLibraryPropertyString.name).stringValue,
75 sprite = (Sprite)entry.FindPropertyRelative(SpriteLibraryPropertyString.sprite).objectReferenceValue,
76 spriteOverride = (Sprite)entry.FindPropertyRelative(SpriteLibraryPropertyString.sprite).objectReferenceValue
77 });
78 entry.Next(false);
79 }
80 }
81
82 destination.Add(overrideCategory);
83 categoryEntries.Next(false);
84 }
85 }
86
87 public static void UpdateLibraryWithNewMainLibrary(SpriteLibraryAsset newMainLibrary, SerializedProperty destLibrary)
88 {
89 var emptyStringArray = Array.Empty<string>();
90 var newCategories = newMainLibrary != null ? newMainLibrary.GetCategoryNames().ToArray() : emptyStringArray;
91
92 // populate new primary
93 var newCategoryIndex = 0;
94 foreach (var newCategory in newCategories)
95 {
96 SerializedProperty existingCategory = null;
97 if (destLibrary.arraySize > 0)
98 {
99 var cat = destLibrary.GetArrayElementAtIndex(0);
100 for (var i = 0; i < destLibrary.arraySize; ++i)
101 {
102 if (cat.FindPropertyRelative(SpriteLibraryPropertyString.name).stringValue == newCategory)
103 {
104 existingCategory = cat;
105 if (i != newCategoryIndex)
106 destLibrary.MoveArrayElement(i, newCategoryIndex);
107 break;
108 }
109
110 cat.Next(false);
111 }
112 }
113
114 if (existingCategory != null)
115 {
116 if (!existingCategory.FindPropertyRelative(SpriteLibraryPropertyString.fromMain).boolValue)
117 existingCategory.FindPropertyRelative(SpriteLibraryPropertyString.fromMain).boolValue = true;
118 }
119 else
120 {
121 destLibrary.InsertArrayElementAtIndex(newCategoryIndex);
122 existingCategory = destLibrary.GetArrayElementAtIndex(newCategoryIndex);
123 SetPropertyName(existingCategory, newCategory);
124 existingCategory.FindPropertyRelative(SpriteLibraryPropertyString.fromMain).boolValue = true;
125 existingCategory.FindPropertyRelative(SpriteLibraryPropertyString.overrideEntryCount).intValue = 0;
126 existingCategory.FindPropertyRelative(SpriteLibraryPropertyString.overrideEntries).arraySize = 0;
127 }
128
129 newCategoryIndex++;
130
131 var newEntries = newMainLibrary.GetCategoryLabelNames(newCategory);
132 var entries = existingCategory.FindPropertyRelative(SpriteLibraryPropertyString.overrideEntries);
133 var newEntryIndex = 0;
134 foreach (var newEntry in newEntries)
135 {
136 SerializedProperty cacheEntry = null;
137 if (entries.arraySize > 0)
138 {
139 var ent = entries.GetArrayElementAtIndex(0);
140 for (int j = 0; j < entries.arraySize; ++j)
141 {
142 if (ent.FindPropertyRelative(SpriteLibraryPropertyString.name).stringValue == newEntry)
143 {
144 cacheEntry = ent;
145 if (j != newEntryIndex)
146 entries.MoveArrayElement(j, newEntryIndex);
147 break;
148 }
149
150 ent.Next(false);
151 }
152 }
153
154 var mainSprite = newMainLibrary.GetSprite(newCategory, newEntry);
155 if (cacheEntry == null)
156 {
157 entries.InsertArrayElementAtIndex(newEntryIndex);
158 cacheEntry = entries.GetArrayElementAtIndex(newEntryIndex);
159 SetPropertyName(cacheEntry, newEntry);
160 cacheEntry.FindPropertyRelative(SpriteLibraryPropertyString.spriteOverride)
161 .objectReferenceValue = mainSprite;
162 }
163
164 ++newEntryIndex;
165 if (!cacheEntry.FindPropertyRelative(SpriteLibraryPropertyString.fromMain).boolValue)
166 cacheEntry.FindPropertyRelative(SpriteLibraryPropertyString.fromMain).boolValue = true;
167 if (cacheEntry.FindPropertyRelative(SpriteLibraryPropertyString.sprite).objectReferenceValue != mainSprite)
168 cacheEntry.FindPropertyRelative(SpriteLibraryPropertyString.sprite).objectReferenceValue = mainSprite;
169 }
170 }
171
172 // Remove any library or entry that is not in primary and not overridden
173 for (var i = 0; i < destLibrary.arraySize; ++i)
174 {
175 var categoryProperty = destLibrary.GetArrayElementAtIndex(i);
176 var categoryEntriesProperty = categoryProperty.FindPropertyRelative(SpriteLibraryPropertyString.overrideEntries);
177 var categoryFromMainProperty = categoryProperty.FindPropertyRelative(SpriteLibraryPropertyString.fromMain);
178
179 var categoryName = categoryProperty.FindPropertyRelative(SpriteLibraryPropertyString.name).stringValue;
180 var categoryInPrimary = newCategories.Contains(categoryName);
181 var entriesInPrimary = categoryInPrimary ? newMainLibrary.GetCategoryLabelNames(categoryName) : emptyStringArray;
182
183 var categoryOverride = 0;
184 for (var j = 0; j < categoryEntriesProperty.arraySize; ++j)
185 {
186 var entry = categoryEntriesProperty.GetArrayElementAtIndex(j);
187 var entryName = entry.FindPropertyRelative(SpriteLibraryPropertyString.name).stringValue;
188 var entryInPrimary = entriesInPrimary.Contains(entryName);
189 var entryFromMainProperty = entry.FindPropertyRelative(SpriteLibraryPropertyString.fromMain);
190 var overrideSpriteProperty = entry.FindPropertyRelative(SpriteLibraryPropertyString.spriteOverride);
191 var spriteProperty = entry.FindPropertyRelative(SpriteLibraryPropertyString.sprite);
192 if (!entryInPrimary)
193 {
194 // Entry no longer in new primary.
195 // Check for override and set it to us
196 if (entryFromMainProperty.boolValue)
197 {
198 if (overrideSpriteProperty.objectReferenceValue == spriteProperty.objectReferenceValue)
199 {
200 categoryEntriesProperty.DeleteArrayElementAtIndex(j);
201 --j;
202 continue;
203 }
204 }
205
206 if (entryFromMainProperty.boolValue)
207 entryFromMainProperty.boolValue = false;
208 if (spriteProperty.objectReferenceValue != overrideSpriteProperty.objectReferenceValue)
209 spriteProperty.objectReferenceValue = overrideSpriteProperty.objectReferenceValue;
210 ++categoryOverride;
211 }
212 else
213 {
214 // Check if sprite has been override
215 if (spriteProperty.objectReferenceValue != overrideSpriteProperty.objectReferenceValue)
216 ++categoryOverride;
217 }
218 }
219
220 if (!categoryInPrimary && categoryEntriesProperty.arraySize == 0 && categoryFromMainProperty.boolValue)
221 {
222 destLibrary.DeleteArrayElementAtIndex(i);
223 --i;
224 continue;
225 }
226
227 // since there is override, and we removed the main. This category now
228 // belows to the library
229 if (!categoryInPrimary)
230 {
231 if (categoryFromMainProperty.boolValue)
232 categoryFromMainProperty.boolValue = false;
233 }
234 else
235 {
236 if (categoryProperty.FindPropertyRelative(SpriteLibraryPropertyString.overrideEntryCount).intValue != categoryOverride)
237 categoryProperty.FindPropertyRelative(SpriteLibraryPropertyString.overrideEntryCount).intValue = categoryOverride;
238 }
239 }
240 }
241
242 static void SetPropertyName(SerializedProperty sp, string newName)
243 {
244 sp.FindPropertyRelative(SpriteLibraryPropertyString.name).stringValue = newName;
245 sp.FindPropertyRelative(SpriteLibraryPropertyString.hash).intValue = SpriteLibraryUtility.GetStringHash(newName);
246 }
247 }
248}