public static Texture2D GetThumbnailTexture(tk2dSpriteCollectionData gen, int spriteId)
{
gen = gen.inst;
// If we already have a cached texture which matches the requirements, use that
foreach (var thumb in thumbnailCache)
{
if (thumb.cachedTexture != null && thumb.cachedSpriteCollection == gen && thumb.cachedSpriteId == spriteId)
{
return(thumb.cachedTexture);
}
}
// Generate a texture
var param = gen.spriteDefinitions[spriteId];
if (param.sourceTextureGUID == null || param.sourceTextureGUID.Length != 0)
{
string assetPath = AssetDatabase.GUIDToAssetPath(param.sourceTextureGUID);
if (assetPath.Length > 0)
{
Texture2D tex = AssetDatabase.LoadAssetAtPath(assetPath, typeof(Texture2D)) as Texture2D;
if (tex != null)
{
SpriteThumbnailCache thumbnail = new SpriteThumbnailCache();
if (param.extractRegion)
{
Texture2D localTex = new Texture2D(param.regionW, param.regionH);
for (int y = 0; y < param.regionH; ++y)
{
for (int x = 0; x < param.regionW; ++x)
{
localTex.SetPixel(x, y, tex.GetPixel(param.regionX + x, param.regionY + y));
}
}
localTex.Apply();
thumbnail.cachedTexture = localTex;
thumbnail.needDestroy = true;
}
else
{
thumbnail.cachedTexture = tex;
}
// Prime cache for next time
thumbnail.cachedSpriteCollection = gen;
thumbnail.cachedSpriteId = spriteId;
thumbnailCache.Add(thumbnail);
return(thumbnail.cachedTexture);
}
}
}
return(null);
}
public static Texture2D GetThumbnailTexture(tk2dSpriteCollectionData gen, int spriteId)
{
gen = gen.inst;
// If we already have a cached texture which matches the requirements, use that
foreach (var thumb in thumbnailCache)
{
if (thumb.cachedTexture != null && thumb.cachedSpriteCollection == gen && thumb.cachedSpriteId == spriteId)
return thumb.cachedTexture;
}
// Generate a texture
var param = gen.spriteDefinitions[spriteId];
if (param.sourceTextureGUID == null || param.sourceTextureGUID.Length != 0)
{
string assetPath = AssetDatabase.GUIDToAssetPath(param.sourceTextureGUID);
if (assetPath.Length > 0)
{
Texture2D tex = AssetDatabase.LoadAssetAtPath(assetPath, typeof(Texture2D)) as Texture2D;
if (tex != null)
{
SpriteThumbnailCache thumbnail = new SpriteThumbnailCache();
if (param.extractRegion)
{
Texture2D localTex = new Texture2D(param.regionW, param.regionH);
for (int y = 0; y < param.regionH; ++y)
{
for (int x = 0; x < param.regionW; ++x)
{
localTex.SetPixel(x, y, tex.GetPixel(param.regionX + x, param.regionY + y));
}
}
localTex.Apply();
thumbnail.cachedTexture = localTex;
thumbnail.needDestroy = true;
}
else
{
thumbnail.cachedTexture = tex;
}
// Prime cache for next time
thumbnail.cachedSpriteCollection = gen;
thumbnail.cachedSpriteId = spriteId;
thumbnailCache.Add(thumbnail);
return thumbnail.cachedTexture;
}
}
}
return null;
}
