/// <summary>
/// Unloads the bundle with the given name.
/// </summary>
/// <param name="bundleName">Name of the bundle to unload without variant extension</param>
private void UnloadBundle(string bundleName)
{
AssetBundleRecord record = this.GetLoadedBundleRecordByName(bundleName);
if (null == record)
{
return;
}
record.bundle.Unload(true);
m_loadedAssetBundles.Remove(bundleName);
}
/// <summary>
/// Returns the bundle at the specified path, loading it if necessary.
/// Unloads previously loaded bundles if necessary when dealing with variants.
/// </summary>
/// <returns>Returns the loaded bundle, null if it could not be loaded.</returns>
/// <param name="path">Path of bundle to get</param>
private AssetBundle LoadBundle(string path)
{
if (string.IsNullOrEmpty(path))
{
return(null);
}
string extension = Path.GetExtension(path);
string bundleName = path.Substring(0, path.Length - extension.Length);
// Check if we have a record for this bundle
AssetBundleRecord record = GetLoadedBundleRecordByName(bundleName);
AssetBundle bundle = null;
if (null != record)
{
// Unload existing bundle if variant names differ, otherwise use existing bundle
if (!record.path.Equals(path))
{
UnloadBundle(bundleName);
}
else
{
bundle = record.assetBundle;
}
}
if (null == bundle)
{
// Load the bundle
bundle = AssetBundle.LoadFromFile(path);
if (null == bundle)
{
return(null);
}
m_LoadedAssetBundles[bundleName] = new AssetBundleRecord(path, bundle);
// Load the bundle's assets
string[] assetNames = bundle.GetAllAssetNames();
foreach (string name in assetNames)
{
bundle.LoadAsset(name);
}
}
return(bundle);
}
/// <summary>
/// Returns the bundle at the specified path, loading it if necessary.
/// Unloads previously loaded bundles if necessary when dealing with variants.
/// </summary>
/// <returns>Returns the loaded bundle, null if it could not be loaded.</returns>
/// <param name="varPath">Path of bundle to get</param>
private AssetBundle LoadBundle(string varPath)
{
if (string.IsNullOrEmpty(varPath))
{
return(null);
}
var bundleName = Path.HasExtension(varPath) ? Path.GetFileNameWithoutExtension(varPath) : Path.GetFileName(varPath);
// Check if we have a record for this bundle
AssetBundleRecord record = GetLoadedBundleRecordByName(bundleName);
AssetBundle bundle = null;
if (null != record)
{
// Unload existing bundle if variant names differ, otherwise use existing bundle
if (!record.path.Equals(varPath))
{
UnloadBundle(bundleName);
}
else
{
bundle = record.bundle;
}
}
if (null == bundle)
{
// Load the bundle
bundle = AssetBundle.LoadFromFile(varPath);
if (null == bundle)
{
return(null);
}
m_loadedAssetBundles[bundleName] = new AssetBundleRecord(varPath, bundle);
// Load the bundle's assets
string[] assetNames = bundle.GetAllAssetNames();
foreach (string name in assetNames)
{
bundle.LoadAsset(name);
}
}
return(bundle);
}
/// <summary>
/// Returns the bundle at the specified path, loading it if necessary.
/// Unloads previously loaded bundles if necessary when dealing with variants.
/// </summary>
/// <returns>Returns the loaded bundle, null if it could not be loaded.</returns>
/// <param name="path">Path of bundle to get</param>
private AssetBundle LoadBundle(string path)
{
if (string.IsNullOrEmpty(path))
{
return(null);
}
string extension = Path.GetExtension(path);
string bundleName = path.Substring(0, path.Length - extension.Length);
// Check if we have a record for this bundle
AssetBundleRecord record = GetLoadedBundleRecordByName(bundleName);
AssetBundle bundle = null;
if (null != record)
{
// Unload existing bundle if variant names differ, otherwise use existing bundle
if (!record.path.Equals(path))
{
UnloadBundle(bundleName);
}
else
{
bundle = record.bundle;
}
}
if (null == bundle)
{
// Load the bundle
if (m_IsEncrypt)
{
byte[] buffer;
using (var fs = new FileStream(path, FileMode.Open))
{
buffer = new byte[fs.Length];
fs.Read(buffer, 0, buffer.Length);
}
try
{
bundle = AssetBundle.LoadFromMemory(Crypto.AesDecryptBytes(buffer));
}
catch (Exception e)
{
Debug.LogError(e.Message);
bundle = null;
}
}
else
{
bundle = AssetBundle.LoadFromFile(path);
}
if (null == bundle)
{
return(null);
}
m_loadedAssetBundles[bundleName] = new AssetBundleRecord(path, bundle);
// Load the bundle's assets
string[] assetNames = bundle.GetAllAssetNames();
foreach (string name in assetNames)
{
bundle.LoadAsset(name);
}
}
return(bundle);
}
