/// <summary>
/// Search through the given list of sprite assets and fallbacks for a sprite whose hash code value of its name matches the target hash code.
/// </summary>
/// <param name="spriteAssets"></param>
/// <param name="hashCode"></param>
/// <param name="searchFallbacks"></param>
/// <param name="spriteIndex"></param>
/// <returns></returns>
static TextSpriteAsset SearchForSpriteByHashCodeInternal(List <TextSpriteAsset> spriteAssets, int hashCode, bool searchFallbacks, out int spriteIndex)
{
// Search through the list of sprite assets
for (int i = 0; i < spriteAssets.Count; i++)
{
TextSpriteAsset temp = spriteAssets[i];
if (temp == null)
{
continue;
}
int id = temp.GetInstanceID();
// Skip over the fallback sprite asset if it has already been searched.
if (s_SearchedSpriteAssets.Contains(id))
{
continue;
}
// Add to list of font assets already searched.
s_SearchedSpriteAssets.Add(id);
temp = SearchForSpriteByHashCodeInternal(temp, hashCode, searchFallbacks, out spriteIndex);
if (temp != null)
{
return(temp);
}
}
spriteIndex = -1;
return(null);
}
/// <summary>
/// Search through the given sprite asset and its fallbacks for the specified sprite matching the given unicode character.
/// </summary>
/// <param name="spriteAsset">The font asset to search for the given character.</param>
/// <param name="unicode">The character to find.</param>
/// <param name="includeFallbacks"></param>
/// <param name="spriteIndex"></param>
/// <returns></returns>
public static TextSpriteAsset SearchForSpriteByUnicode(TextSpriteAsset spriteAsset, uint unicode, bool includeFallbacks, out int spriteIndex)
{
// Check to make sure sprite asset is not null
if (spriteAsset == null)
{
spriteIndex = -1; return(null);
}
// Get sprite index for the given unicode
spriteIndex = spriteAsset.GetSpriteIndexFromUnicode(unicode);
if (spriteIndex != -1)
{
return(spriteAsset);
}
// Initialize list to track instance of Sprite Assets that have already been searched.
if (s_SearchedSpriteAssets == null)
{
s_SearchedSpriteAssets = new List <int>();
}
s_SearchedSpriteAssets.Clear();
// Get instance ID of sprite asset and add to list.
int id = spriteAsset.GetInstanceID();
s_SearchedSpriteAssets.Add(id);
// Search potential fallback sprite assets if includeFallbacks is true.
if (includeFallbacks && spriteAsset.fallbackSpriteAssets != null && spriteAsset.fallbackSpriteAssets.Count > 0)
{
return(SearchForSpriteByUnicodeInternal(spriteAsset.fallbackSpriteAssets, unicode, includeFallbacks, out spriteIndex));
}
// Search default sprite asset potentially assigned in the Text Settings.
if (includeFallbacks && TextSettings.defaultSpriteAsset != null)
{
return(SearchForSpriteByUnicodeInternal(TextSettings.defaultSpriteAsset, unicode, includeFallbacks, out spriteIndex));
}
spriteIndex = -1;
return(null);
}
/// <summary>
/// Search the given sprite asset and fallbacks for a sprite whose hash code value of its name matches the target hash code.
/// </summary>
/// <param name="spriteAsset">The Sprite Asset to search for the given sprite whose name matches the hashcode value</param>
/// <param name="hashCode">The hash code value matching the name of the sprite</param>
/// <param name="includeFallbacks">Include fallback sprite assets in the search</param>
/// <param name="spriteIndex">The index of the sprite matching the provided hash code</param>
/// <returns>The Sprite Asset that contains the sprite</returns>
public static TextSpriteAsset SearchForSpriteByHashCode(TextSpriteAsset spriteAsset, int hashCode, bool includeFallbacks, out int spriteIndex)
{
// Make sure sprite asset is not null
if (spriteAsset == null)
{
spriteIndex = -1; return(null);
}
spriteIndex = spriteAsset.GetSpriteIndexFromHashcode(hashCode);
if (spriteIndex != -1)
{
return(spriteAsset);
}
// Initialize list to track instance of Sprite Assets that have already been searched.
if (s_SearchedSpriteAssets == null)
{
s_SearchedSpriteAssets = new List <int>();
}
s_SearchedSpriteAssets.Clear();
int id = spriteAsset.GetInstanceID();
// Add to list of font assets already searched.
s_SearchedSpriteAssets.Add(id);
if (includeFallbacks && spriteAsset.fallbackSpriteAssets != null && spriteAsset.fallbackSpriteAssets.Count > 0)
{
return(SearchForSpriteByHashCodeInternal(spriteAsset.fallbackSpriteAssets, hashCode, includeFallbacks, out spriteIndex));
}
// Search default sprite asset potentially assigned in the Text Settings.
if (includeFallbacks && TextSettings.defaultSpriteAsset != null)
{
return(SearchForSpriteByHashCodeInternal(TextSettings.defaultSpriteAsset, hashCode, includeFallbacks, out spriteIndex));
}
spriteIndex = -1;
return(null);
}