/// <summary>
///
/// </summary>
internal static void RebuildFontAssetCache()
{
// Iterate over loaded font assets to update affected font assets
foreach (var pair in s_FontAssetReferences)
{
FontAssetRef fontAssetRef = pair.Value;
FontAsset fontAsset = fontAssetRef.fontAsset;
if (fontAsset == null)
{
// Remove font asset from our lookup dictionaries
s_FontAssetNameReferenceLookup.Remove(fontAssetRef.nameHashCode);
s_FontAssetFamilyNameAndStyleReferenceLookup.Remove(fontAssetRef.familyNameAndStyleHashCode);
// Add font asset to our removal list
s_FontAssetRemovalList.Add(pair.Key);
continue;
}
fontAsset.InitializeCharacterLookupDictionary();
fontAsset.AddSynthesizedCharactersAndFaceMetrics();
}
// Remove font assets in our removal list from our font asset references
for (int i = 0; i < s_FontAssetRemovalList.Count; i++)
{
s_FontAssetReferences.Remove(s_FontAssetRemovalList[i]);
}
s_FontAssetRemovalList.Clear();
TextEventManager.ON_FONT_PROPERTY_CHANGED(true, null);
}
/// <summary>
/// Add font asset to resource manager.
/// </summary>
/// <param name="fontAsset">The font asset to be added.</param>
internal static void AddFontAsset(FontAsset fontAsset)
{
int instanceID = fontAsset.instanceID;
if (!s_FontAssetReferences.ContainsKey(instanceID))
{
FontAssetRef fontAssetRef = new FontAssetRef(fontAsset.hashCode, fontAsset.familyNameHashCode, fontAsset.styleNameHashCode, fontAsset);
s_FontAssetReferences.Add(instanceID, fontAssetRef);
// Add font asset to name reference lookup
if (!s_FontAssetNameReferenceLookup.ContainsKey(fontAssetRef.nameHashCode))
{
s_FontAssetNameReferenceLookup.Add(fontAssetRef.nameHashCode, fontAsset);
}
// Add font asset to family name and style lookup
if (!s_FontAssetFamilyNameAndStyleReferenceLookup.ContainsKey(fontAssetRef.familyNameAndStyleHashCode))
{
s_FontAssetFamilyNameAndStyleReferenceLookup.Add(fontAssetRef.familyNameAndStyleHashCode, fontAsset);
}
}
else
{
FontAssetRef fontAssetRef = s_FontAssetReferences[instanceID];
// Return if font asset name, family and style name have not changed.
if (fontAssetRef.nameHashCode == fontAsset.hashCode && fontAssetRef.familyNameHashCode == fontAsset.familyNameHashCode && fontAssetRef.styleNameHashCode == fontAsset.styleNameHashCode)
{
return;
}
// Check if font asset name has changed
if (fontAssetRef.nameHashCode != fontAsset.hashCode)
{
s_FontAssetNameReferenceLookup.Remove(fontAssetRef.nameHashCode);
fontAssetRef.nameHashCode = fontAsset.hashCode;
if (!s_FontAssetNameReferenceLookup.ContainsKey(fontAssetRef.nameHashCode))
{
s_FontAssetNameReferenceLookup.Add(fontAssetRef.nameHashCode, fontAsset);
}
}
// Check if family or style name has changed
if (fontAssetRef.familyNameHashCode != fontAsset.familyNameHashCode || fontAssetRef.styleNameHashCode != fontAsset.styleNameHashCode)
{
s_FontAssetFamilyNameAndStyleReferenceLookup.Remove(fontAssetRef.familyNameAndStyleHashCode);
fontAssetRef.familyNameHashCode = fontAsset.familyNameHashCode;
fontAssetRef.styleNameHashCode = fontAsset.styleNameHashCode;
fontAssetRef.familyNameAndStyleHashCode = (long)fontAsset.styleNameHashCode << 32 | (uint)fontAsset.familyNameHashCode;
if (!s_FontAssetFamilyNameAndStyleReferenceLookup.ContainsKey(fontAssetRef.familyNameAndStyleHashCode))
{
s_FontAssetFamilyNameAndStyleReferenceLookup.Add(fontAssetRef.familyNameAndStyleHashCode, fontAsset);
}
}
s_FontAssetReferences[instanceID] = fontAssetRef;
}
}
