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);
}