387 lines
14 KiB
C#
387 lines
14 KiB
C#
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using System;
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using System.Linq;
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using System.Collections.Generic;
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using UnityEditor;
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using UnityEngine.Assertions;
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using UnityEngine.Scripting.APIUpdating;
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namespace UnityEngine.U2D.Animation
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{
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internal interface INameHash
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{
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string name { get; set; }
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int hash { get; }
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}
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[Serializable]
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[MovedFrom("UnityEngine.Experimental.U2D.Animation")]
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internal class SpriteCategoryEntry : INameHash
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{
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[SerializeField]
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string m_Name;
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[SerializeField]
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[HideInInspector]
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int m_Hash;
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[SerializeField]
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Sprite m_Sprite;
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public string name
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{
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get => m_Name;
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set
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{
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m_Name = value;
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m_Hash = SpriteLibraryUtility.GetStringHash(m_Name);
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}
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}
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public int hash => m_Hash;
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public Sprite sprite
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{
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get => m_Sprite;
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set => m_Sprite = value;
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}
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public void UpdateHash()
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{
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m_Hash = SpriteLibraryUtility.GetStringHash(m_Name);
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}
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}
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[Serializable]
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[MovedFrom("UnityEngine.Experimental.U2D.Animation")]
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internal class SpriteLibCategory : INameHash
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{
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[SerializeField]
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string m_Name;
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[SerializeField]
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int m_Hash;
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[SerializeField]
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List<SpriteCategoryEntry> m_CategoryList;
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public string name
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{
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get { return m_Name; }
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set
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{
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m_Name = value;
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m_Hash = SpriteLibraryUtility.GetStringHash(m_Name);
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}
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}
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public int hash { get { return m_Hash; } }
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public List<SpriteCategoryEntry> categoryList
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{
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get => m_CategoryList;
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set => m_CategoryList = value;
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}
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public void UpdateHash()
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{
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m_Hash = SpriteLibraryUtility.GetStringHash(m_Name);
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foreach (var s in m_CategoryList)
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s.UpdateHash();
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}
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internal void ValidateLabels()
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{
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SpriteLibraryAsset.RenameDuplicate(m_CategoryList,
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(originalName, newName)
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=>
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{
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Debug.LogWarning(string.Format("Label {0} renamed to {1} due to hash clash", originalName, newName));
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});
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}
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}
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/// <summary>
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/// A custom Asset that stores Sprites grouping
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/// </summary>
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/// <Description>
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/// Sprites are grouped under a given category as categories. Each category and label needs to have
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/// a name specified so that it can be queried.
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/// </Description>
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[HelpURL("https://docs.unity3d.com/Packages/com.unity.2d.animation@latest/index.html?subfolder=/manual/SLAsset.html")]
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[MovedFrom("UnityEngine.Experimental.U2D.Animation")]
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public class SpriteLibraryAsset : ScriptableObject
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{
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[SerializeField]
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private List<SpriteLibCategory> m_Labels = new List<SpriteLibCategory>();
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[SerializeField]
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private long m_ModificationHash;
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internal static SpriteLibraryAsset CreateAsset(List<SpriteLibCategory> categories, string assetName, long version)
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{
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var asset = ScriptableObject.CreateInstance<SpriteLibraryAsset>();
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asset.m_Labels = categories;
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asset.ValidateCategories();
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asset.name = assetName;
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asset.UpdateHashes();
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asset.m_ModificationHash = version;
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return asset;
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}
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internal List<SpriteLibCategory> categories
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{
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get => m_Labels;
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set
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{
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m_Labels = value;
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ValidateCategories();
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UpdateModificationHash();
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}
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}
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/// <summary>
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/// Hash to quickly check if the library has any changes made to it.
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/// </summary>
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internal long modificationHash => m_ModificationHash;
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internal Sprite GetSprite(int categoryHash, int labelHash)
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{
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var category = m_Labels.FirstOrDefault(x => x.hash == categoryHash);
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if (category != null)
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{
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var spriteLabel = category.categoryList.FirstOrDefault(x => x.hash == labelHash);
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if (spriteLabel != null)
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{
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return spriteLabel.sprite;
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}
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}
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return null;
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}
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internal Sprite GetSprite(int categoryHash, int labelHash, out bool validEntry)
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{
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SpriteLibCategory category = null;
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for (int i = 0; i < m_Labels.Count; ++i)
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{
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if (m_Labels[i].hash == categoryHash)
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{
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category = m_Labels[i];
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break;
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}
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}
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if (category != null)
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{
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SpriteCategoryEntry spritelabel = null;
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for (int i = 0; i < category.categoryList.Count; ++i)
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{
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if (category.categoryList[i].hash == labelHash)
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{
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spritelabel = category.categoryList[i];
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break;
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}
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}
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if (spritelabel != null)
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{
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validEntry = true;
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return spritelabel.sprite;
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}
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}
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validEntry = false;
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return null;
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}
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/// <summary>
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/// Returns the Sprite registered in the Asset given the Category and Label value
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/// </summary>
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/// <param name="category">Category string value</param>
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/// <param name="label">Label string value</param>
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/// <returns></returns>
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public Sprite GetSprite(string category, string label)
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{
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var categoryHash = SpriteLibraryUtility.GetStringHash(category);
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var labelHash = SpriteLibraryUtility.GetStringHash(label);
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return GetSprite(categoryHash, labelHash);
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}
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/// <summary>
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/// Return all the Category names of the Sprite Library Asset that is associated.
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/// </summary>
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/// <returns>A Enumerable string value representing the name</returns>
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public IEnumerable<string> GetCategoryNames()
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{
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return m_Labels.Select(x => x.name);
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}
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/// <summary>
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/// (Obsolete) Returns the labels' name for the given name
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/// </summary>
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/// <param name="category">Category name</param>
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/// <returns>A Enumerable string representing labels' name</returns>
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[Obsolete("GetCategorylabelNames has been deprecated. Please use GetCategoryLabelNames (UnityUpgradable) -> GetCategoryLabelNames(*)")]
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public IEnumerable<string> GetCategorylabelNames(string category)
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{
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return GetCategoryLabelNames(category);
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}
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/// <summary>
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/// Returns the labels' name for the given name
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/// </summary>
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/// <param name="category">Category name</param>
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/// <returns>A Enumerable string representing labels' name</returns>
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public IEnumerable<string> GetCategoryLabelNames(string category)
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{
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var label = m_Labels.FirstOrDefault(x => x.name == category);
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return label == null ? new string[0] : label.categoryList.Select(x => x.name);
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}
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/// <summary>
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/// Add or replace and existing Sprite into the given Category and Label
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/// </summary>
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/// <param name="sprite">Sprite to add</param>
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/// <param name="category">Category to add the Sprite to</param>
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/// <param name="label">Label of the Category to add the Sprite to. If this parameter is null or an empty string, it will attempt to add a empty category</param>
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public void AddCategoryLabel(Sprite sprite, string category, string label)
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{
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category = category.Trim();
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label = label?.Trim();
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if (string.IsNullOrEmpty(category))
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throw new ArgumentException("Cannot add empty or null Category string");
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var catHash = SpriteLibraryUtility.GetStringHash(category);
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SpriteCategoryEntry categorylabel = null;
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SpriteLibCategory libCategory = null;
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libCategory = m_Labels.FirstOrDefault(x => x.hash == catHash);
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if (libCategory != null)
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{
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if(string.IsNullOrEmpty(label))
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throw new ArgumentException("Cannot add empty or null Label string");
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Assert.AreEqual(libCategory.name, category, "Category string hash clashes with another existing Category. Please use another string");
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var labelHash = SpriteLibraryUtility.GetStringHash(label);
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categorylabel = libCategory.categoryList.FirstOrDefault(y => y.hash == labelHash);
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if (categorylabel != null)
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{
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Assert.AreEqual(categorylabel.name, label, "Label string hash clashes with another existing label. Please use another string");
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categorylabel.sprite = sprite;
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}
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else
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{
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categorylabel = new SpriteCategoryEntry()
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{
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name = label,
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sprite = sprite
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};
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libCategory.categoryList.Add(categorylabel);
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}
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}
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else
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{
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var slc = new SpriteLibCategory()
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{
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categoryList = new List<SpriteCategoryEntry>(),
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name = category
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};
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if (!string.IsNullOrEmpty(label))
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{
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slc.categoryList.Add(new SpriteCategoryEntry()
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{
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name = label,
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sprite = sprite
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});
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}
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m_Labels.Add(slc);
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}
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UpdateModificationHash();
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#if UNITY_EDITOR
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EditorUtility.SetDirty(this);
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#endif
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}
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/// <summary>
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/// Remove a Label from a given Category
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/// </summary>
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/// <param name="category">Category to remove from</param>
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/// <param name="label">Label to remove</param>
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/// <param name="deleteCategory">Indicate to remove the Category if it is empty</param>
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public void RemoveCategoryLabel(string category, string label, bool deleteCategory)
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{
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var catHash = SpriteLibraryUtility.GetStringHash(category);
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SpriteLibCategory libCategory = null;
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libCategory = m_Labels.FirstOrDefault(x => x.hash == catHash);
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if (libCategory != null)
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{
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var labelHash = SpriteLibraryUtility.GetStringHash(label);
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libCategory.categoryList.RemoveAll(x => x.hash == labelHash);
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if (deleteCategory && libCategory.categoryList.Count == 0)
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m_Labels.RemoveAll(x => x.hash == libCategory.hash);
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UpdateModificationHash();
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#if UNITY_EDITOR
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EditorUtility.SetDirty(this);
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#endif
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}
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}
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internal void UpdateHashes()
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{
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foreach (var e in m_Labels)
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e.UpdateHash();
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#if UNITY_EDITOR
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UnityEditor.EditorUtility.SetDirty(this);
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#endif
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}
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internal void ValidateCategories()
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{
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RenameDuplicate(m_Labels, (originalName, newName)
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=>
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{
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Debug.LogWarning($"Category {originalName} renamed to {newName} due to hash clash");
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});
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for (var i = 0; i < m_Labels.Count; ++i)
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{
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// Verify categories have no hash clash
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var category = m_Labels[i];
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// Verify labels have no clash
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category.ValidateLabels();
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}
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}
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internal static void RenameDuplicate(IEnumerable<INameHash> nameHashList, Action<string, string> onRename)
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{
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const int k_IncrementMax = 1000;
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for (var i = 0; i < nameHashList.Count(); ++i)
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{
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// Verify categories have no hash clash
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var category = nameHashList.ElementAt(i);
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var categoriesClash = nameHashList.Where(x => (x.hash == category.hash || x.name == category.name) && x != category);
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int increment = 0;
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for (int j = 0; j < categoriesClash.Count(); ++j)
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{
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var categoryClash = categoriesClash.ElementAt(j);
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while (increment < k_IncrementMax)
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{
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var name = categoryClash.name;
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name = $"{name}_{increment}";
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var nameHash = SpriteLibraryUtility.GetStringHash(name);
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var exist = nameHashList.FirstOrDefault(x => (x.hash == nameHash || x.name == name) && x != categoryClash);
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if (exist == null)
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{
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onRename(categoryClash.name, name);
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categoryClash.name = name;
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break;
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}
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++increment;
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}
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}
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}
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}
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void UpdateModificationHash()
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{
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var hash = System.DateTime.Now.Ticks;
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hash ^= m_Labels.GetHashCode();
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m_ModificationHash = hash;
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}
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}
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}
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