private void CopyAllocatedItemsToAtlas(List <TextureTools.AtlasItem> items, string atlasChain, int atlasId, Size size)
{
var atlasPath = AssetCooker.GetAtlasPath(atlasChain, atlasId);
var atlasPixels = new Color4[size.Width * size.Height];
foreach (var item in items.Where(i => i.Allocated))
{
var atlasRect = item.AtlasRect;
using (var bitmap = TextureTools.OpenAtlasItemBitmapAndRescaleIfNeeded(AssetCooker.Platform, item)) {
CopyPixels(bitmap, atlasPixels, atlasRect.A.X, atlasRect.A.Y, size.Width, size.Height);
}
var atlasPart = new TextureAtlasElement.Params {
AtlasRect = atlasRect,
AtlasPath = Path.ChangeExtension(atlasPath, null)
};
var srcPath = Path.ChangeExtension(item.Path, item.SourceExtension);
InternalPersistence.Instance.WriteObjectToBundle(AssetCooker.OutputBundle, item.Path, atlasPart, Persistence.Format.Binary,
item.SourceExtension, AssetCooker.InputBundle.GetFileLastWriteTime(srcPath), AssetAttributes.None, item.CookingRules.SHA1);
// Delete non-atlased texture since now its useless
var texturePath = Path.ChangeExtension(item.Path, AssetCooker.GetPlatformTextureExtension());
if (AssetCooker.OutputBundle.FileExists(texturePath))
{
AssetCooker.DeleteFileFromBundle(texturePath);
}
UserInterface.Instance.IncreaseProgressBar();
}
Console.WriteLine("+ " + atlasPath);
var firstItem = items.First(i => i.Allocated);
using (var atlas = new Bitmap(atlasPixels, size.Width, size.Height)) {
AssetCooker.ImportTexture(atlasPath, atlas, firstItem.CookingRules, AssetCooker.InputBundle.GetFileLastWriteTime(atlasPath), CookingRulesSHA1: null);
}
}
private void BuildAtlasChain(string atlasChain)
{
for (var i = 0; i < AssetCooker.MaxAtlasChainLength; i++)
{
var atlasPath = AssetCooker.GetAtlasPath(atlasChain, i);
if (AssetCooker.OutputBundle.FileExists(atlasPath))
{
AssetCooker.DeleteFileFromBundle(atlasPath);
}
else
{
break;
}
}
var pluginItems = new Dictionary <string, List <TextureTools.AtlasItem> >();
var items = new Dictionary <AtlasOptimization, List <TextureTools.AtlasItem> >();
items[AtlasOptimization.Memory] = new List <TextureTools.AtlasItem>();
items[AtlasOptimization.DrawCalls] = new List <TextureTools.AtlasItem>();
foreach (var fileInfo in AssetBundle.Current.EnumerateFileInfos(null, textureExtension))
{
var cookingRules = AssetCooker.CookingRulesMap[fileInfo.Path];
if (cookingRules.TextureAtlas == atlasChain)
{
var item = new TextureTools.AtlasItem {
Path = Path.ChangeExtension(fileInfo.Path, atlasPartExtension),
CookingRules = cookingRules,
SourceExtension = Path.GetExtension(fileInfo.Path)
};
var bitmapInfo = TextureTools.BitmapInfo.FromFile(AssetCooker.InputBundle, fileInfo.Path);
if (bitmapInfo == null)
{
using (var bitmap = TextureTools.OpenAtlasItemBitmapAndRescaleIfNeeded(AssetCooker.Platform, item)) {
item.BitmapInfo = TextureTools.BitmapInfo.FromBitmap(bitmap);
}
}
else
{
var srcTexturePath = AssetPath.Combine(The.Workspace.AssetsDirectory, Path.ChangeExtension(item.Path, item.SourceExtension));
if (TextureTools.ShouldDownscale(AssetCooker.Platform, bitmapInfo, item.CookingRules))
{
TextureTools.DownscaleTextureInfo(AssetCooker.Platform, bitmapInfo, srcTexturePath, item.CookingRules);
}
// Ensure that no image exceeded maxAtlasSize limit
TextureTools.DownscaleTextureToFitAtlas(bitmapInfo, srcTexturePath);
item.BitmapInfo = bitmapInfo;
}
var k = cookingRules.AtlasPacker;
if (!string.IsNullOrEmpty(k) && k != "Default")
{
List <TextureTools.AtlasItem> l;
if (!pluginItems.TryGetValue(k, out l))
{
pluginItems.Add(k, l = new List <TextureTools.AtlasItem>());
}
l.Add(item);
}
else
{
items[cookingRules.AtlasOptimization].Add(item);
}
}
}
var initialAtlasId = 0;
foreach (var kv in items)
{
if (kv.Value.Any())
{
if (AssetCooker.Platform == TargetPlatform.iOS)
{
Predicate <PVRFormat> isRequireSquare = (format) => {
return
(format == PVRFormat.PVRTC2 ||
format == PVRFormat.PVRTC4 ||
format == PVRFormat.PVRTC4_Forced);
};
var square = kv.Value.Where(item => isRequireSquare(item.CookingRules.PVRFormat)).ToList();
var nonSquare = kv.Value.Where(item => !isRequireSquare(item.CookingRules.PVRFormat)).ToList();
initialAtlasId = PackItemsToAtlas(atlasChain, square, kv.Key, initialAtlasId, true);
initialAtlasId = PackItemsToAtlas(atlasChain, nonSquare, kv.Key, initialAtlasId, false);
}
else
{
initialAtlasId = PackItemsToAtlas(atlasChain, kv.Value, kv.Key, initialAtlasId, false);
}
}
}
var packers = PluginLoader.CurrentPlugin.AtlasPackers.ToDictionary(i => i.Metadata.Id, i => i.Value);
foreach (var kv in pluginItems)
{
if (!packers.ContainsKey(kv.Key))
{
throw new InvalidOperationException($"Packer {kv.Key} not found");
}
initialAtlasId = packers[kv.Key](atlasChain, kv.Value, initialAtlasId);
}
}
