public static void ClassInitialize(TestContext context)
{
var file = @".\Data\bundle_5.1.unity3d";
var abr = new AssestFile(file);
_header = abr.Header;
}
static void SaveAssetBundleOutputFile(AssetBundleHeader header, string assetBundleFilePath, string outputFilePath)
{
string outputFileDir = Path.GetDirectoryName(outputFilePath);
Directory.CreateDirectory(outputFileDir);
var oldOutputFileInfo = new FileInfo(outputFilePath);
if (oldOutputFileInfo.Exists)
{
oldOutputFileInfo.IsReadOnly = false;
}
using (FileStream fs = File.Open(outputFilePath, FileMode.Create, FileAccess.Write))
{
header.Save(fs);
byte[] bundleContent = File.ReadAllBytes(assetBundleFilePath);
fs.Write(bundleContent, 0, bundleContent.Length);
}
}
public static void BuildToOneBundle(Object realass, string path, bool recursive)
{
if (CheckModify && recursive)
{
if (!CheckAssetModify(realass, path, true))
{
return;
}
}
int AssetCount = 0;
List <AssetBundleHeader.DepInfo> ls = new List <AssetBundleHeader.DepInfo>();
string asspath = AssetDatabase.GetAssetPath(realass);
if (recursive)
{
string[] deppaths = AssetDatabase.GetDependencies(new string[] { asspath });
Dictionary <string, bool> realdeps = new Dictionary <string, bool>();
foreach (string realdep in deppaths)
{
realdeps[realdep] = true;
}
Object[] depobjs = EditorUtility.CollectDependencies(new Object[] { realass });
BuildPipeline.PushAssetDependencies();
AssetCount++;
for (int i = 0; i < depobjs.Length; i++)
{
Object dep = depobjs[i];
if (ReferenceEquals(dep, realass))
{
continue;
}
string texpath = AssetDatabase.GetAssetPath(dep);
if (!realdeps.ContainsKey(texpath))
{
continue;
}
if (dep is Texture || dep is Shader || dep is MonoScript || dep is Font)
{
if (!texpath.ToLower().EndsWith(".asset") && !string.IsNullOrEmpty(texpath))
{
BuildToOneBundle(dep, path, false);
AssetBundleHeader.DepInfo info = new AssetBundleHeader.DepInfo();
info.name = "";
string realname = ConvertFileName(texpath) + ".u3dext";
info.path = realname.ToLower();
ls.Add(info);
}
}
}
BuildPipeline.PushAssetDependencies();
AssetCount++;
}
string assetpath = ConvertFileName(Path.GetDirectoryName(asspath));
string outpath;
if (asspath != "")
{
outpath = path + "/" + assetpath;
}
else
{
outpath = assetpath;
}
Directory.CreateDirectory(outpath);
string guid = AssetDatabase.AssetPathToGUID(asspath);
string outfile = outpath + "/" + guid;
BuildAssetBundleOptions option;
option = BuildAssetBundleOptions.DeterministicAssetBundle | BuildAssetBundleOptions.CompleteAssets | BuildAssetBundleOptions.CollectDependencies;
option |= BuildAssetBundleOptions.UncompressedAssetBundle;
bool suc = BuildPipeline.BuildAssetBundleExplicitAssetNames(new Object[] { realass }, new string[] { "1" }, outfile,
option, ExportAssetBundlesHelper.CurBuildTarget);
// do not compress font
bool ForceSep = realass is Font;
bool NeedSep = false;
if (suc && !ForceSep)
{
FileInfo fi = new FileInfo(outfile);
if (realass is AudioClip)
{
if (fi.Length > min_audio_clip_bundel_size)
{
NeedSep = true;
}
}
else if (fi.Length > min_compress_bundle_size)
{
option = BuildAssetBundleOptions.DeterministicAssetBundle | BuildAssetBundleOptions.CompleteAssets | BuildAssetBundleOptions.CollectDependencies;
suc = BuildPipeline.BuildAssetBundleExplicitAssetNames(new Object[] { realass }, new string[] { "1" }, outfile,
option, ExportAssetBundlesHelper.CurBuildTarget);
Debug.LogWarning("Big bundle: " + outfile + " Origin Size: " + fi.Length);
}
}
for (int n = 0; n < AssetCount; n++)
{
BuildPipeline.PopAssetDependencies();
}
if (suc)
{
byte[] content = File.ReadAllBytes(outfile);
string outfile2 = outpath + "/" + Path.GetFileName(asspath) + ".u3dext";
using (FileStream fs = File.Open(outfile2, FileMode.Create, FileAccess.Write))
{
AssetBundleHeader bh = new AssetBundleHeader();
if (ForceSep || NeedSep)
{
bh.option |= AssetBundleHeader.BundleOption.SepFile;
}
if (realass is Shader || realass is MonoScript || realass is Font)
{
bh.option |= AssetBundleHeader.BundleOption.DonotRelease;
}
bh.deps = ls.ToArray();
bh.Save(fs);
fs.Write(content, 0, content.Length);
}
File.Delete(outfile);
}
else
{
Debug.LogError("BuildAssetBundleExplicitAssetNames");
}
}
private static void DetermineAssetBundleOption(AssetBundleManifest manifest, string assetBundleName, string cacheDir, out bool needCompress, out AssetBundleHeader header)
{
Object asset = AssetDatabase.LoadMainAssetAtPath("assets/" + assetBundleName);
needCompress = false;
header = new AssetBundleHeader();
//确定 needCompress, SepFile
if (asset is Font)
{
header.option |= AssetBundleHeader.BundleOption.SepFile;
}
else
{
FileInfo fi = new FileInfo(cacheDir + "/uncompressed/assets/" + assetBundleName);
if (asset is AudioClip)
{
if (fi.Length > min_audio_clip_bundel_size)
{
header.option |= AssetBundleHeader.BundleOption.SepFile;
}
}
else
{
if (fi.Length > min_compress_bundle_size)
{
needCompress = true;
}
}
}
//确定其他选项
string[] depBundleNames = manifest.GetDirectDependencies(assetBundleName);
System.Array.Sort(depBundleNames);
if (asset is Material)
{
header.specialType = AssetBundleHeader.BundleSpecialType.Material;
header.deps = CalcMaterialDeps(assetBundleName, asset as Material, manifest);
}
else
{
if (asset is Texture)
{
header.option |= AssetBundleHeader.BundleOption.ManuallyResolve;
header.specialType = AssetBundleHeader.BundleSpecialType.Texture;
}
else if (asset is Shader)
{
header.option |= AssetBundleHeader.BundleOption.DonotRelease;
}
else if (asset is MonoScript)
{
header.option |= AssetBundleHeader.BundleOption.DonotRelease;
}
else if (asset is Font)
{
header.option |= AssetBundleHeader.BundleOption.DonotRelease;
}
header.deps = CalcNormalDeps(assetBundleName, asset, manifest);
}
}
static void BuildOneAssetBundle(string expcur, Dictionary <string, int> objmark, Dictionary <string, List <string> > allobjchild, string path, ref int depcount)
{
// 假设已经输出则跳过
if (objmark.ContainsKey(expcur))
{
return;
}
List <string> subs = allobjchild[expcur];
if (subs != null)
{
foreach (string sub in subs)
{
// 假设已经输出则跳过
if (objmark.ContainsKey(sub))
{
continue;
}
BuildOneAssetBundle(sub, objmark, allobjchild, path, ref depcount);
}
}
objmark[expcur] = 1;
string asspath = expcur;
if (string.IsNullOrEmpty(asspath))
{
return;
}
string guid = AssetDatabase.AssetPathToGUID(asspath);
string assetpath = ConvertFileName(Path.GetDirectoryName(asspath));
string outpath;
if (asspath != "")
{
outpath = path + "/" + assetpath;
}
else
{
outpath = assetpath;
}
Directory.CreateDirectory(outpath);
//string outfile = Path.Combine(outpath, Path.GetFileNameWithoutExtension(asspath));
string outfile = outpath + "/" + guid;
BuildPipeline.PushAssetDependencies();
depcount++;
Object realass = AssetDatabase.LoadMainAssetAtPath(expcur);
if (realass == null)
{
return;
}
Object[] depobjs = EditorUtility.CollectDependencies(new Object[] { realass });
Dictionary <string, int> deppathmap = new Dictionary <string, int>();
foreach (Object depobj in depobjs)
{
string deppath = AssetDatabase.GetAssetPath(depobj);
if (string.IsNullOrEmpty(deppath))
{
continue;
}
deppathmap[deppath] = 1;
}
List <string> realsubs = new List <string>();
if (subs != null)
{
foreach (string sub in subs)
{
if (deppathmap.ContainsKey(sub))
{
string realname = ConvertFileName(sub) + ".u3dext";
realsubs.Add(realname.ToLower());
}
}
}
BuildAssetBundleOptions option;
option = BuildAssetBundleOptions.DeterministicAssetBundle | BuildAssetBundleOptions.CompleteAssets | BuildAssetBundleOptions.CollectDependencies;
option |= BuildAssetBundleOptions.UncompressedAssetBundle;
bool suc = BuildPipeline.BuildAssetBundleExplicitAssetNames(new Object[] { realass }, new string[] { "1" }, outfile,
option, ExportAssetBundlesHelper.CurBuildTarget);
Debug.Log("src file: " + asspath + " " + depcount);
if (/*realass is MonoScript || */ !deppathmap.ContainsKey(expcur))
{
File.Delete(outfile);
}
else if (suc)
{
// do not compress font
bool ForceSep = realass is Font;
bool NeedSep = false;
if (!ForceSep)
{
FileInfo fi = new FileInfo(outfile);
if (realass is AudioClip)
{
if (fi.Length > min_audio_clip_bundel_size)
{
NeedSep = true;
}
}
else if (fi.Length > min_compress_bundle_size)
{
option = BuildAssetBundleOptions.DeterministicAssetBundle | BuildAssetBundleOptions.CompleteAssets | BuildAssetBundleOptions.CollectDependencies;
suc = BuildPipeline.BuildAssetBundleExplicitAssetNames(new Object[] { realass }, new string[] { "1" }, outfile,
option, ExportAssetBundlesHelper.CurBuildTarget);
Debug.LogWarning("Big bundle: " + outfile + " Origin Size: " + fi.Length);
}
}
byte[] content = File.ReadAllBytes(outfile);
string outfile2 = outpath + "/" + Path.GetFileName(asspath) + ".u3dext";
_depmap[outfile2.ToLower()] = 1;
var oldFileInfo = new FileInfo(outfile2);
if (oldFileInfo.Exists)
{
oldFileInfo.IsReadOnly = false;
}
using (FileStream fs = File.Open(outfile2, FileMode.Create, FileAccess.Write))
{
AssetBundleHeader bh = new AssetBundleHeader();
bool bDefault = true;
if (ForceSep || NeedSep)
{
bh.option |= AssetBundleHeader.BundleOption.SepFile;
}
if (realass is Material)
{
bh.specialType = AssetBundleHeader.BundleSpecialType.Material;
Material mt = realass as Material;
if (mt.shader != null)
{
bDefault = false;
List <string> pnames = new List <string>();
int nPCount = ShaderUtil.GetPropertyCount(mt.shader);
for (int n = 0; n < nPCount; n++)
{
ShaderUtil.ShaderPropertyType spt = ShaderUtil.GetPropertyType(mt.shader, n);
if (spt == ShaderUtil.ShaderPropertyType.TexEnv)
{
string pn = ShaderUtil.GetPropertyName(mt.shader, n);
pnames.Add(pn);
}
}
List <AssetBundleHeader.DepInfo> deplist = new List <AssetBundleHeader.DepInfo>();
foreach (var realsub in realsubs)
{
bool findtex = false;
foreach (var texname in pnames)
{
Texture tex = mt.GetTexture(texname);
if (tex)
{
string texpath = AssetDatabase.GetAssetPath(tex);
if (!string.IsNullOrEmpty(texpath))
{
string realpath = ConvertFileName(texpath) + ".u3dext";
realpath = realpath.ToLower();
if (realpath == realsub)
{
AssetBundleHeader.DepInfo info = new AssetBundleHeader.DepInfo();
info.name = texname;
info.path = realsub;
deplist.Add(info);
findtex = true;
}
}
}
}
if (!findtex)
{
AssetBundleHeader.DepInfo info = new AssetBundleHeader.DepInfo();
info.name = "";
info.path = realsub;
deplist.Add(info);
}
}
bh.deps = deplist.ToArray();
}
}
else if (realass is Texture)
{
bh.option |= AssetBundleHeader.BundleOption.ManuallyResolve;
bh.specialType = AssetBundleHeader.BundleSpecialType.Texture;
}
else if (realass is Shader)
{
bh.option |= AssetBundleHeader.BundleOption.DonotRelease;
}
else if (realass is MonoScript)
{
bh.option |= AssetBundleHeader.BundleOption.DonotRelease;
}
else if (realass is Font)
{
bh.option |= AssetBundleHeader.BundleOption.DonotRelease;
}
if (bDefault)
{
bh.deps = new AssetBundleHeader.DepInfo[realsubs.Count];
for (int n = 0; n < realsubs.Count; n++)
{
bh.deps[n].name = "";
bh.deps[n].path = realsubs[n];
}
}
bh.Save(fs);
fs.Write(content, 0, content.Length);
}
File.Delete(outfile);
}
}