339 lines
12 KiB
C#
339 lines
12 KiB
C#
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using System.Collections.Generic;
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using System.Linq;
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using UnityEngine.Scripting.APIUpdating;
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namespace UnityEngine.U2D.Animation
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{
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/// <summary>
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/// Component that holds a Sprite Library Asset. The component is used by SpriteResolver Component to query for Sprite based on Category and Index
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/// </summary>
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[DisallowMultipleComponent]
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[AddComponentMenu("2D Animation/Sprite Library")]
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[MovedFrom("UnityEngine.Experimental.U2D.Animation")]
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[HelpURL("https://docs.unity3d.com/Packages/com.unity.2d.animation@latest/index.html?subfolder=/manual/SLAsset.html%23sprite-library-component")]
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public class SpriteLibrary : MonoBehaviour
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{
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struct CategoryEntrySprite
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{
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public string category;
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public string entry;
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public Sprite sprite;
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}
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[SerializeField]
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List<SpriteLibCategory> m_Library = new List<SpriteLibCategory>();
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[SerializeField]
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SpriteLibraryAsset m_SpriteLibraryAsset;
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// Cache for combining data in sprite library asset and main library
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Dictionary<int, CategoryEntrySprite> m_CategoryEntryHashCache = null;
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Dictionary<string, HashSet<string>> m_CategoryEntryCache = null;
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int m_PreviousSpriteLibraryAsset;
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long m_PreviousModificationHash;
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/// <summary>Get or Set the current SpriteLibraryAsset to use </summary>
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public SpriteLibraryAsset spriteLibraryAsset
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{
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set
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{
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if (m_SpriteLibraryAsset != value)
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{
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m_SpriteLibraryAsset = value;
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CacheOverrides();
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RefreshSpriteResolvers();
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}
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}
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get { return m_SpriteLibraryAsset; }
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}
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void OnEnable()
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{
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CacheOverrides();
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}
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/// <summary>
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/// Return the Sprite that is registered for the given Category and Label for the SpriteLibrary
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/// </summary>
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/// <param name="category">Category name</param>
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/// <param name="label">Label name</param>
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/// <returns>Sprite associated to the name and index</returns>
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public Sprite GetSprite(string category, string label)
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{
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return GetSprite(GetHashForCategoryAndEntry(category, label));
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}
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Sprite GetSprite(int hash)
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{
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if (m_CategoryEntryHashCache.ContainsKey(hash))
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return m_CategoryEntryHashCache[hash].sprite;
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return null;
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}
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void UpdateCacheOverridesIfNeeded()
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{
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if(m_CategoryEntryCache == null ||
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m_PreviousSpriteLibraryAsset != m_SpriteLibraryAsset?.GetInstanceID() ||
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m_PreviousModificationHash != m_SpriteLibraryAsset?.modificationHash)
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CacheOverrides();
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}
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internal bool GetCategoryAndEntryNameFromHash(int hash, out string category, out string entry)
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{
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UpdateCacheOverridesIfNeeded();
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if (m_CategoryEntryHashCache.ContainsKey(hash))
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{
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category = m_CategoryEntryHashCache[hash].category;
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entry = m_CategoryEntryHashCache[hash].entry;
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return true;
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}
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category = null;
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entry = null;
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return false;
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}
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internal static int GetHashForCategoryAndEntry(string category, string entry)
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{
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return SpriteLibraryUtility.GetStringHash($"{category}_{entry}");
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}
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internal Sprite GetSpriteFromCategoryAndEntryHash(int hash, out bool validEntry)
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{
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UpdateCacheOverridesIfNeeded();
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if (m_CategoryEntryHashCache.ContainsKey(hash))
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{
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validEntry = true;
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return m_CategoryEntryHashCache[hash].sprite;
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}
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validEntry = false;
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return null;
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}
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List<SpriteCategoryEntry> GetEntries(string category, bool addIfNotExist)
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{
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var index = m_Library.FindIndex(x => x.name == category);
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if (index < 0)
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{
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if (!addIfNotExist)
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return null;
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m_Library.Add(new SpriteLibCategory()
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{
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name = category,
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categoryList = new List<SpriteCategoryEntry>()
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});
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index = m_Library.Count - 1;
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}
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return m_Library[index].categoryList;
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}
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SpriteCategoryEntry GetEntry(List<SpriteCategoryEntry> entries, string entry, bool addIfNotExist)
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{
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var index = entries.FindIndex(x => x.name == entry);
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if (index < 0)
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{
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if (!addIfNotExist)
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return null;
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entries.Add(new SpriteCategoryEntry()
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{
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name = entry,
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});
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index = entries.Count - 1;
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}
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return entries[index];
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}
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/// <summary>
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/// Add or replace an override when querying for the given Category and Label from a SpriteLibraryAsset
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/// </summary>
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/// <param name="spriteLib">Sprite Library Asset to query</param>
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/// <param name="category">Category name from the Sprite Library Asset to add override</param>
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/// <param name="label">Label name to add override</param>
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public void AddOverride(SpriteLibraryAsset spriteLib, string category, string label)
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{
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var sprite = spriteLib.GetSprite(category, label);
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var entries = GetEntries(category, true);
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var entry = GetEntry(entries, label, true);
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entry.sprite = sprite;
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CacheOverrides();
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}
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/// <summary>
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/// Add or replace an override when querying for the given Category. All the categories in the Category will be added.
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/// </summary>
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/// <param name="spriteLib">Sprite Library Asset to query</param>
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/// <param name="category">Category name from the Sprite Library Asset to add override</param>
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public void AddOverride(SpriteLibraryAsset spriteLib, string category)
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{
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var categoryHash = SpriteLibraryUtility.GetStringHash(category);
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var cat = spriteLib.categories.FirstOrDefault(x => x.hash == categoryHash);
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if (cat != null)
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{
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var entries = GetEntries(category, true);
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for (var i = 0; i < cat.categoryList.Count; ++i)
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{
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var ent = cat.categoryList[i];
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GetEntry(entries, ent.name, true).sprite = ent.sprite;
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}
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CacheOverrides();
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}
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}
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/// <summary>
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/// Add or replace an override when querying for the given Category and Label.
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/// </summary>
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/// <param name="sprite">Sprite to override to</param>
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/// <param name="category">Category name to override</param>
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/// <param name="label">Label name to override</param>
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public void AddOverride(Sprite sprite, string category, string label)
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{
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GetEntry(GetEntries(category, true), label, true).sprite = sprite;
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CacheOverrides();
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RefreshSpriteResolvers();
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}
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/// <summary>
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/// Remove all Sprite Library override for a given category
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/// </summary>
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/// <param name="category">Category overrides to remove</param>
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public void RemoveOverride(string category)
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{
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var index = m_Library.FindIndex(x => x.name == category);
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if (index >= 0)
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{
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m_Library.RemoveAt(index);
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CacheOverrides();
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RefreshSpriteResolvers();
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}
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}
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/// <summary>
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/// Remove Sprite Library override for a given category and label
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/// </summary>
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/// <param name="category">Category to remove</param>
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/// <param name="label">Label to remove</param>
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public void RemoveOverride(string category, string label)
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{
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var entries = GetEntries(category, false);
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if (entries != null)
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{
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var index = entries.FindIndex(x => x.name == label);
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if (index >= 0)
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{
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entries.RemoveAt(index);
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CacheOverrides();
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RefreshSpriteResolvers();
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}
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}
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}
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/// <summary>
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/// Method to check if a Category and Label pair has an override
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/// </summary>
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/// <param name="category">Category name</param>
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/// <param name="label">Label name</param>
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/// <returns>True if override exist, false otherwise</returns>
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public bool HasOverride(string category, string label)
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{
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var catOverride = GetEntries(category, false);
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if (catOverride != null)
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return GetEntry(catOverride, label, false) != null;
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return false;
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}
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/// <summary>
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/// Request SpriteResolver components that are in the same hierarchy to refresh
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/// </summary>
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public void RefreshSpriteResolvers()
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{
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var spriteResolvers = GetComponentsInChildren<SpriteResolver>();
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foreach (var sr in spriteResolvers)
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{
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sr.ResolveSpriteToSpriteRenderer();
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#if UNITY_EDITOR
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sr.spriteLibChanged = true;
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#endif
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}
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}
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internal IEnumerable<string> categoryNames
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{
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get
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{
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UpdateCacheOverridesIfNeeded();
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return m_CategoryEntryCache.Keys;
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}
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}
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internal IEnumerable<string> GetEntryNames(string category)
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{
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UpdateCacheOverridesIfNeeded();
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if (m_CategoryEntryCache.ContainsKey(category))
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return m_CategoryEntryCache[category];
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return null;
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}
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internal void CacheOverrides()
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{
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m_PreviousSpriteLibraryAsset = 0;
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m_PreviousModificationHash = 0;
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m_CategoryEntryHashCache = new Dictionary<int, CategoryEntrySprite>();
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m_CategoryEntryCache = new Dictionary<string, HashSet<string>>();
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if (m_SpriteLibraryAsset)
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{
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m_PreviousSpriteLibraryAsset = m_SpriteLibraryAsset.GetInstanceID();
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m_PreviousModificationHash = m_SpriteLibraryAsset.modificationHash;
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foreach (var category in m_SpriteLibraryAsset.categories)
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{
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var catName = category.name;
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m_CategoryEntryCache.Add(catName, new HashSet<string>());
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var cacheEntryName = m_CategoryEntryCache[catName];
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foreach (var entry in category.categoryList)
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{
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m_CategoryEntryHashCache.Add(GetHashForCategoryAndEntry(catName, entry.name), new CategoryEntrySprite()
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{
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category = catName,
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entry = entry.name,
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sprite = entry.sprite
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});
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cacheEntryName.Add(entry.name);
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}
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}
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}
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foreach (var category in m_Library)
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{
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var catName = category.name;
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if(!m_CategoryEntryCache.ContainsKey(catName))
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m_CategoryEntryCache.Add(catName, new HashSet<string>());
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var cacheEntryName = m_CategoryEntryCache[catName];
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foreach (var ent in category.categoryList)
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{
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if (!cacheEntryName.Contains(ent.name))
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cacheEntryName.Add(ent.name);
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var hash = GetHashForCategoryAndEntry(catName, ent.name);
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if (!m_CategoryEntryHashCache.ContainsKey(hash))
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{
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m_CategoryEntryHashCache.Add(hash, new CategoryEntrySprite()
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{
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category = catName,
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entry = ent.name,
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sprite = ent.sprite
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});
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}
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else
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{
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var e = m_CategoryEntryHashCache[hash];
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e.sprite = ent.sprite;
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m_CategoryEntryHashCache[hash] = e;
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}
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}
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}
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}
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}
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}
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