/// <summary>
/// 代码来源于TMPro.EditorUtilities.TMP_SpriteAssetMenu脚本中
/// </summary>
/// <param name="source"></param>
/// <param name="spriteCharacterTable"></param>
/// <param name="spriteGlyphTable"></param>
private static void PopulateSpriteTables(Texture source, ref List <TMP_SpriteCharacter> spriteCharacterTable, ref List <TMP_SpriteGlyph> spriteGlyphTable)
{
string filePath = AssetDatabase.GetAssetPath(source);
// Get all the Sprites sorted by Index
Sprite[] sprites = AssetDatabase.LoadAllAssetsAtPath(filePath).Select(x => x as Sprite).Where(x => x != null).OrderByDescending(x => x.rect.y).ThenBy(x => x.rect.x).ToArray();
for (int i = 0; i < sprites.Length; i++)
{
Sprite sprite = sprites[i];
TMP_SpriteGlyph spriteGlyph = new TMP_SpriteGlyph();
spriteGlyph.index = (uint)i;
spriteGlyph.metrics = new GlyphMetrics(sprite.rect.width, sprite.rect.height, -sprite.pivot.x, sprite.rect.height - sprite.pivot.y, sprite.rect.width);
spriteGlyph.glyphRect = new GlyphRect(sprite.rect);
spriteGlyph.scale = 1.0f;
spriteGlyph.sprite = sprite;
spriteGlyphTable.Add(spriteGlyph);
TMP_SpriteCharacter spriteCharacter = new TMP_SpriteCharacter(0, spriteGlyph);
spriteCharacter.name = sprite.name;
spriteCharacter.scale = 1.0f;
spriteCharacterTable.Add(spriteCharacter);
}
}
private static void PopulateSpriteTables(SpriteAtlas spriteAtlas, ref List <TMP_SpriteCharacter> spriteCharacterTable, ref List <TMP_SpriteGlyph> spriteGlyphTable)
{
// Get number of sprites contained in the sprite atlas.
int spriteCount = spriteAtlas.spriteCount;
Sprite[] sprites = new Sprite[spriteCount];
// Get all the sprites
spriteAtlas.GetSprites(sprites);
for (int i = 0; i < sprites.Length; i++)
{
Sprite sprite = sprites[i];
TMP_SpriteGlyph spriteGlyph = new TMP_SpriteGlyph();
spriteGlyph.index = (uint)i;
spriteGlyph.metrics = new GlyphMetrics(sprite.textureRect.width, sprite.textureRect.height, -sprite.pivot.x, sprite.textureRect.height - sprite.pivot.y, sprite.textureRect.width);
spriteGlyph.glyphRect = new GlyphRect(sprite.textureRect);
spriteGlyph.scale = 1.0f;
spriteGlyph.sprite = sprite;
spriteGlyphTable.Add(spriteGlyph);
TMP_SpriteCharacter spriteCharacter = new TMP_SpriteCharacter(0xFFFE, spriteGlyph);
spriteCharacter.name = sprite.name;
spriteCharacter.scale = 1.0f;
spriteCharacterTable.Add(spriteCharacter);
}
}
/// <summary>
/// 缓存图集数据
/// </summary>
private void CacheSpriteAssetData()
{
TMP_SpriteAsset spriteAsset = AssetDatabase.LoadAssetAtPath <TMP_SpriteAsset>(SpriteAssetPath);
if (spriteAsset != null)
{
cacheSpriteGlyphs = new List <TMP_SpriteGlyph>(spriteAsset.spriteGlyphTable.Count);
for (int i = 0; i < spriteAsset.spriteGlyphTable.Count; i++)
{
TMP_SpriteGlyph spriteGlyph = new TMP_SpriteGlyph();
TMP_SpriteGlyph originSpriteGlyph = spriteAsset.spriteGlyphTable[i];
spriteGlyph.sprite = originSpriteGlyph.sprite;
spriteGlyph.atlasIndex = originSpriteGlyph.atlasIndex;
spriteGlyph.scale = originSpriteGlyph.scale;
spriteGlyph.index = originSpriteGlyph.index;
spriteGlyph.metrics = new GlyphMetrics(originSpriteGlyph.metrics.width,
originSpriteGlyph.metrics.height, originSpriteGlyph.metrics.horizontalBearingX,
originSpriteGlyph.metrics.horizontalBearingY, originSpriteGlyph.metrics.horizontalAdvance);
spriteGlyph.glyphRect = new GlyphRect(originSpriteGlyph.glyphRect.x, originSpriteGlyph.glyphRect.y,
originSpriteGlyph.glyphRect.width, originSpriteGlyph.glyphRect.height);
cacheSpriteGlyphs.Add(spriteGlyph);
}
//spriteCharacterTable
cacheSpriteCharacters = new List <TMP_SpriteCharacter>(spriteAsset.spriteCharacterTable.Count);
for (int i = 0; i < spriteAsset.spriteCharacterTable.Count; i++)
{
TMP_SpriteCharacter spriteCharacter = new TMP_SpriteCharacter();
TMP_SpriteCharacter originSpriteCharacter = spriteAsset.spriteCharacterTable[i];
spriteCharacter.unicode = originSpriteCharacter.unicode;
spriteCharacter.glyphIndex = originSpriteCharacter.glyphIndex;
spriteCharacter.scale = originSpriteCharacter.scale;
spriteCharacter.name = originSpriteCharacter.name;
spriteCharacter.glyph = cacheSpriteGlyphs[i];
cacheSpriteCharacters.Add(spriteCharacter);
}
}
}
/// <summary>
/// 更新图集数据
/// </summary>
private void ApplySpriteAssetData()
{
if (cacheSpriteGlyphs == null || cacheSpriteGlyphs.Count == 0 || cacheSpriteCharacters == null ||
cacheSpriteCharacters.Count == 0)
{
Debug.LogError("无缓存数据");
}
//1.解析新的tpsheet
string str = File.ReadAllText(arrangeIconAtlasTpsheetFilePath);
string[] strArr = str.Split('\n');
//以Name为key的GlyphRect数据
Dictionary <string, GlyphRect> glyphRectDic = new Dictionary <string, GlyphRect>();
foreach (var item in strArr)
{
if (item.StartsWith("#") || item.StartsWith(":") || string.IsNullOrEmpty(item) || item.StartsWith("\r"))
{
continue;
}
string[] strArr2 = item.Split(';');
int x = int.Parse(strArr2[1]);
int y = int.Parse(strArr2[2]);
int w = int.Parse(strArr2[3]);
int h = int.Parse(strArr2[4]);
GlyphRect rect = new GlyphRect(x, y, w, h);
glyphRectDic.Add(strArr2[0], rect);
}
//1.1获取新的数据，主要使用GlyphMetrics
Texture texture = AssetDatabase.LoadAssetAtPath <Texture>(AtlasPngPath);
List <TMP_SpriteCharacter> newSpriteCharacters = new List <TMP_SpriteCharacter>();
List <TMP_SpriteGlyph> newSpriteGlyphs = new List <TMP_SpriteGlyph>();
PopulateSpriteTables(texture, ref newSpriteCharacters, ref newSpriteGlyphs);
//2.更新Cache
//2.1 cacheSpriteGlyphs
//2.2 cacheSpriteCharacters
if (cacheSpriteGlyphs != null && cacheSpriteGlyphs.Count > 0)
{
//更新Cache的SpriteGlyph的Rect
for (int i = 0; i < cacheSpriteGlyphs.Count; i++)
{
TMP_SpriteGlyph glyph = cacheSpriteGlyphs[i];
string spriteName = cacheSpriteCharacters[(int)glyph.index].name;
if (glyphRectDic.ContainsKey(spriteName))
{
GlyphRect newRect = glyphRectDic[spriteName];
glyph.glyphRect = new GlyphRect(newRect.x, newRect.y, newRect.width, newRect.height);
}
}
}
foreach (KeyValuePair <string, GlyphRect> glyphRect in glyphRectDic)
{
TMP_SpriteCharacter findSpriteCharacter = cacheSpriteCharacters.Find(character => character.name == glyphRect.Key);
TMP_SpriteCharacter newSpriteCharacter = newSpriteCharacters.Find(character => character.name == glyphRect.Key);
if (findSpriteCharacter == null)
{
//新增的Sprite
TMP_SpriteGlyph spriteGlyph = new TMP_SpriteGlyph();
spriteGlyph.sprite = null;
spriteGlyph.atlasIndex = 0;
spriteGlyph.scale = 1.0f;
spriteGlyph.index = (uint)cacheSpriteGlyphs.Count;
GlyphMetrics metrics = newSpriteCharacter.glyph.metrics;
spriteGlyph.metrics = new GlyphMetrics(metrics.width, metrics.height, metrics.horizontalBearingX,
metrics.horizontalBearingY, metrics.horizontalAdvance);
spriteGlyph.glyphRect = new GlyphRect(glyphRect.Value.x, glyphRect.Value.y,
glyphRect.Value.width, glyphRect.Value.height);
cacheSpriteGlyphs.Add(spriteGlyph);
TMP_SpriteCharacter spriteCharacter = new TMP_SpriteCharacter(0, spriteGlyph);
spriteCharacter.glyphIndex = (uint)cacheSpriteCharacters.Count;
spriteCharacter.scale = 1;
spriteCharacter.name = glyphRect.Key;
cacheSpriteCharacters.Add(spriteCharacter);
}
}
//3.cache写入SpriteAsset
TMP_SpriteAsset spriteAsset = AssetDatabase.LoadAssetAtPath <TMP_SpriteAsset>(SpriteAssetPath);
FieldInfo spriteCharacterTablePi = spriteAsset.GetType().GetField("m_SpriteCharacterTable", BindingFlags.NonPublic | BindingFlags.Instance);
if (null != spriteCharacterTablePi)
{
spriteCharacterTablePi.SetValue(spriteAsset, cacheSpriteCharacters);
}
FieldInfo spriteGlyphTablePi = spriteAsset.GetType().GetField("m_SpriteGlyphTable", BindingFlags.NonPublic | BindingFlags.Instance);
if (null != spriteGlyphTablePi)
{
spriteGlyphTablePi.SetValue(spriteAsset, cacheSpriteGlyphs);
}
AssetDatabase.SaveAssets();
AssetDatabase.Refresh();
}
internal static void UpdateSpriteAsset(TMP_SpriteAsset spriteAsset)
{
// Get a list of all the sprites contained in the texture referenced by the sprite asset.
// This only works if the texture is set to sprite mode.
string filePath = AssetDatabase.GetAssetPath(spriteAsset.spriteSheet);
if (string.IsNullOrEmpty(filePath))
{
return;
}
// Get all the sprites defined in the sprite sheet texture referenced by this sprite asset.
Sprite[] sprites = AssetDatabase.LoadAllAssetsAtPath(filePath).Select(x => x as Sprite).Where(x => x != null).ToArray();
// Return if sprite sheet texture does not have any sprites defined in it.
if (sprites.Length == 0)
{
Debug.Log("Sprite Asset <color=#FFFF80>[" + spriteAsset.name + "]</color>'s atlas texture does not appear to have any sprites defined in it. Use the Unity Sprite Editor to define sprites for this texture.", spriteAsset.spriteSheet);
return;
}
List <TMP_SpriteGlyph> spriteGlyphTable = spriteAsset.spriteGlyphTable;
// Find available glpyh indexes
uint[] existingGlyphIndexes = spriteGlyphTable.Select(x => x.index).ToArray();
List <uint> availableGlyphIndexes = new List <uint>();
uint lastGlyphIndex = existingGlyphIndexes.Length > 0 ? existingGlyphIndexes.Last() : 0;
int elementIndex = 0;
for (uint i = 0; i < lastGlyphIndex; i++)
{
uint existingGlyphIndex = existingGlyphIndexes[elementIndex];
if (i == existingGlyphIndex)
{
elementIndex += 1;
}
else
{
availableGlyphIndexes.Add(i);
}
}
// Iterate over sprites contained in the updated sprite sheet to identify new and / or modified sprites.
for (int i = 0; i < sprites.Length; i++)
{
Sprite sprite = sprites[i];
// Check if current sprites is already contained in the sprite glyph table of the sprite asset.
TMP_SpriteGlyph spriteGlyph = spriteGlyphTable.FirstOrDefault(x => x.sprite == sprite);
if (spriteGlyph != null)
{
// update existing sprite glyph
if (spriteGlyph.glyphRect.x != sprite.rect.x || spriteGlyph.glyphRect.y != sprite.rect.y || spriteGlyph.glyphRect.width != sprite.rect.width || spriteGlyph.glyphRect.height != sprite.rect.height)
{
spriteGlyph.glyphRect = new GlyphRect(sprite.rect);
}
}
else
{
TMP_SpriteCharacter spriteCharacter;
// Check if this sprite potentially exists under the same name in the sprite character table.
if (spriteAsset.spriteCharacterTable != null && spriteAsset.spriteCharacterTable.Count > 0)
{
spriteCharacter = spriteAsset.spriteCharacterTable.FirstOrDefault(x => x.name == sprite.name);
spriteGlyph = spriteCharacter != null ? spriteGlyphTable[(int)spriteCharacter.glyphIndex] : null;
if (spriteGlyph != null)
{
// Update sprite reference and data
spriteGlyph.sprite = sprite;
if (spriteGlyph.glyphRect.x != sprite.rect.x || spriteGlyph.glyphRect.y != sprite.rect.y || spriteGlyph.glyphRect.width != sprite.rect.width || spriteGlyph.glyphRect.height != sprite.rect.height)
{
spriteGlyph.glyphRect = new GlyphRect(sprite.rect);
}
}
}
// Add new Sprite Glyph to the table
spriteGlyph = new TMP_SpriteGlyph();
// Get available glyph index
if (availableGlyphIndexes.Count > 0)
{
spriteGlyph.index = availableGlyphIndexes[0];
availableGlyphIndexes.RemoveAt(0);
}
else
{
spriteGlyph.index = (uint)spriteGlyphTable.Count;
}
spriteGlyph.metrics = new GlyphMetrics(sprite.rect.width, sprite.rect.height, -sprite.pivot.x, sprite.rect.height - sprite.pivot.y, sprite.rect.width);
spriteGlyph.glyphRect = new GlyphRect(sprite.rect);
spriteGlyph.scale = 1.0f;
spriteGlyph.sprite = sprite;
spriteGlyphTable.Add(spriteGlyph);
spriteCharacter = new TMP_SpriteCharacter(0xFFFE, spriteGlyph);
spriteCharacter.name = sprite.name;
spriteCharacter.scale = 1.0f;
spriteAsset.spriteCharacterTable.Add(spriteCharacter);
}
}
// Update Sprite Character Table to replace unicode 0x0 by 0xFFFE
for (int i = 0; i < spriteAsset.spriteCharacterTable.Count; i++)
{
TMP_SpriteCharacter spriteCharacter = spriteAsset.spriteCharacterTable[i];
if (spriteCharacter.unicode == 0)
{
spriteCharacter.unicode = 0xFFFE;
}
}
// Sort glyph table by glyph index
spriteAsset.SortGlyphTable();
spriteAsset.UpdateLookupTables();
TMPro_EventManager.ON_SPRITE_ASSET_PROPERTY_CHANGED(true, spriteAsset);
}
internal static void UpdateSpriteAsset(TMP_SpriteAsset spriteAsset)
{
// Get a list of all the sprites contained in the texture referenced by the sprite asset.
// This only works if the texture is set to sprite mode.
string filePath = AssetDatabase.GetAssetPath(spriteAsset.spriteSheet);
if (string.IsNullOrEmpty(filePath))
{
return;
}
// Get all the Sprites sorted Left to Right / Top to Bottom
Sprite[] sprites = AssetDatabase.LoadAllAssetsAtPath(filePath).Select(x => x as Sprite).Where(x => x != null).OrderByDescending(x => x.rect.y).ThenBy(x => x.rect.x).ToArray();
List <TMP_SpriteGlyph> spriteGlyphTable = spriteAsset.spriteGlyphTable;
// Finding available glyph indexes to insert new glyphs into.
var tempGlyphTable = spriteGlyphTable.OrderBy(glyph => glyph.index).ToList();
List <uint> availableGlyphIndexes = new List <uint>();
int elementIndex = 0;
for (uint i = 0; i < tempGlyphTable[tempGlyphTable.Count - 1].index; i++)
{
uint currentElementIndex = tempGlyphTable[elementIndex].index;
if (i == currentElementIndex)
{
elementIndex += 1;
}
else
{
availableGlyphIndexes.Add(i);
}
}
// Iterate over each of the sprites in the texture to try to match them to existing sprites in the sprite asset.
for (int i = 0; i < sprites.Length; i++)
{
int id = sprites[i].GetInstanceID();
int glyphIndex = spriteGlyphTable.FindIndex(item => item.sprite.GetInstanceID() == id);
if (glyphIndex == -1)
{
// Add new Sprite Glyph to the table
Sprite sprite = sprites[i];
TMP_SpriteGlyph spriteGlyph = new TMP_SpriteGlyph();
// Get available glyph index
if (availableGlyphIndexes.Count > 0)
{
spriteGlyph.index = availableGlyphIndexes[0];
availableGlyphIndexes.RemoveAt(0);
}
else
{
spriteGlyph.index = (uint)spriteGlyphTable.Count;
}
spriteGlyph.metrics = new GlyphMetrics(sprite.rect.width, sprite.rect.height, -sprite.pivot.x, sprite.rect.height - sprite.pivot.y, sprite.rect.width);
spriteGlyph.glyphRect = new GlyphRect(sprite.rect);
spriteGlyph.scale = 1.0f;
spriteGlyph.sprite = sprite;
spriteGlyphTable.Add(spriteGlyph);
TMP_SpriteCharacter spriteCharacter = new TMP_SpriteCharacter(0, spriteGlyph);
spriteCharacter.name = sprite.name;
spriteCharacter.scale = 1.0f;
spriteAsset.spriteCharacterTable.Add(spriteCharacter);
}
else
{
// Look for changes in existing Sprite Glyph
Sprite sprite = sprites[i];
TMP_SpriteGlyph spriteGlyph = spriteGlyphTable[glyphIndex];
// We only update changes to the sprite position / glyph rect.
if (spriteGlyph.glyphRect.x != sprite.rect.x || spriteGlyph.glyphRect.y != sprite.rect.y || spriteGlyph.glyphRect.width != sprite.rect.width || spriteGlyph.glyphRect.height != sprite.rect.height)
{
spriteGlyph.glyphRect = new GlyphRect(sprite.rect);
}
}
}
// Sort glyph table by glyph index
spriteAsset.SortGlyphTable();
spriteAsset.UpdateLookupTables();
TMPro_EventManager.ON_SPRITE_ASSET_PROPERTY_CHANGED(true, spriteAsset);
}
