private static void SaveGeneratedSprites(List <Sprite> sprites, bool decoupleSpriteData,
SerializedProperty generatedSpritesFolderGuidProperty, SerializedProperty spritesProperty, UnityEngine.Object target)
{
if (!decoupleSpriteData)
{
// Delete generated sprites folder (in case it was previously created).
if (!string.IsNullOrWhiteSpace(generatedSpritesFolderGuidProperty.stringValue))
{
var folderPath = AssetDatabase.GUIDToAssetPath(generatedSpritesFolderGuidProperty.stringValue);
if (AssetDatabase.IsValidFolder(folderPath))
{
AssetDatabase.DeleteAsset(folderPath);
}
}
// Update rebuilded sprites to preserve references and delete stale ones.
var spritesToAdd = new List <Sprite>(sprites);
for (int i = spritesProperty.arraySize - 1; i >= 0; i--)
{
var oldSprite = spritesProperty.GetArrayElementAtIndex(i).objectReferenceValue as Sprite;
if (!oldSprite)
{
continue;
}
var newSprite = spritesToAdd.Find(sprite => sprite.name == oldSprite.name);
if (newSprite)
{
EditorUtility.CopySerialized(newSprite, oldSprite);
spritesToAdd.Remove(newSprite);
}
else
{
DestroyImmediate(oldSprite, true);
}
}
foreach (var spriteToAdd in spritesToAdd)
{
AssetDatabase.AddObjectToAsset(spriteToAdd, target);
}
AssetDatabase.Refresh();
AssetDatabase.SaveAssets();
spritesProperty.SetListValues(spritesToAdd, false);
}
else
{
// Delete sprites stored in atlas asset (in case they were previously added).
for (int i = spritesProperty.arraySize - 1; i >= 0; i--)
{
DestroyImmediate(spritesProperty.GetArrayElementAtIndex(i).objectReferenceValue, true);
}
AssetDatabase.Refresh();
AssetDatabase.SaveAssets();
var folderPath = AssetDatabase.GetAssetPath(target).GetBeforeLast("/") + "/" + target.name;
var dicedSpritesFolder = new FolderAssetHelper(folderPath);
var savedDicedSprites = dicedSpritesFolder.SetContainedAssets(sprites);
generatedSpritesFolderGuidProperty.stringValue = AssetDatabase.AssetPathToGUID(folderPath);
spritesProperty.SetListValues(savedDicedSprites);
}
}
private void CreateDicedSprites(Dictionary <string, List <DicedUnit> > dicedUnits)
{
DisplayProgressBar("Generating diced sprites data...", 1f);
// Generate diced sprites using diced units.
var newDicedSprites = dicedUnits.Select(nameToUnits => DicedSprite.CreateInstance(nameToUnits.Key, nameToUnits.Value.First().AtlasTexture,
nameToUnits.Value, defaultPivotProperty.vector2Value, keepOriginalPivotProperty.boolValue)).ToList();
// Save generated sprites.
if (!decoupleSpriteDataProperty.boolValue)
{
// Delete generated sprites folder (in case it was previously created).
if (!string.IsNullOrWhiteSpace(generatedSpritesFolderGuidProperty.stringValue))
{
var folderPath = AssetDatabase.GUIDToAssetPath(generatedSpritesFolderGuidProperty.stringValue);
if (AssetDatabase.IsValidFolder(folderPath))
{
AssetDatabase.DeleteAsset(folderPath);
}
}
// Update rebuilded sprites to preserve references and delete stale ones.
var spritesToAdd = new List <DicedSprite>(newDicedSprites);
for (int i = dicedSpritesProperty.arraySize - 1; i >= 0; i--)
{
var oldSprite = dicedSpritesProperty.GetArrayElementAtIndex(i).objectReferenceValue as DicedSprite;
if (!oldSprite)
{
continue;
}
var newSprite = spritesToAdd.Find(sprite => sprite.Name == oldSprite.Name);
if (newSprite)
{
EditorUtility.CopySerialized(newSprite, oldSprite);
spritesToAdd.Remove(newSprite);
}
else
{
DestroyImmediate(oldSprite, true);
}
}
foreach (var spriteToAdd in spritesToAdd)
{
AssetDatabase.AddObjectToAsset(spriteToAdd, target);
}
AssetDatabase.Refresh();
AssetDatabase.SaveAssets();
dicedSpritesProperty.SetListValues(spritesToAdd, false);
}
else
{
// Delete sprites stored in atlas asset (in case they were previously added).
for (int i = dicedSpritesProperty.arraySize - 1; i >= 0; i--)
{
DestroyImmediate(dicedSpritesProperty.GetArrayElementAtIndex(i).objectReferenceValue, true);
}
AssetDatabase.Refresh();
AssetDatabase.SaveAssets();
var folderPath = AssetDatabase.GetAssetPath(target).GetBeforeLast("/") + "/" + target.name;
var dicedSpritesFolder = new FolderAssetHelper(folderPath);
var savedDicedSprites = dicedSpritesFolder.SetContainedAssets(newDicedSprites);
generatedSpritesFolderGuidProperty.stringValue = AssetDatabase.AssetPathToGUID(folderPath);
dicedSpritesProperty.SetListValues(savedDicedSprites);
}
}