//这里需要做下合并,减少ab数量:一个依赖的与依赖合并，一个引用的与引用合并
private void Build4Share()
{
List <string> shareAssetList = CollectShare();
List <AssetBundlePair> shareBundleList = GetOrCreateShareList();
Dictionary <string, string> depMap = new Dictionary <string, string>();
Dictionary <string, string> refMap = new Dictionary <string, string>();
if (AssetBuildConfiger.GetInstance().isOptimzeShareBundle)
{
foreach (var assetPath in shareAssetList)
{
string[] dps = AssetBuildRelationship.GetDependencies(assetPath);
foreach (var dp in dps)
{
//忽略自己
if (string.Compare(assetPath, dp, true) == 0)
{
continue;
}
// 单一依赖
if (dps.Length == 2)
{
depMap[assetPath] = dp;
}
//单一引用
if (refMap.ContainsKey(dp))
{
refMap[dp] = ""; //已经不是单一引用了
}
else
{
refMap[dp] = assetPath;
}
}
}
}
foreach (var assetPath in shareAssetList)
{
string shareBundleName = AssetBuildConfiger.GetInstance().GetBuildBundleShareName(assetPath);//全部打到Share里去
if (depMap.TryGetValue(assetPath, out var depFilePath))
{
shareBundleName = AssetBuildConfiger.GetInstance().GetBuildBundleShareName(depFilePath);
}
else if (refMap.TryGetValue(assetPath, out var refFilePath))
{
if (!string.IsNullOrEmpty(refFilePath))
{
shareBundleName = AssetBuildConfiger.GetInstance().GetBuildBundleShareName(refFilePath);
}
}
shareBundleList.Add(new AssetBundlePair(assetPath, shareBundleName));
}
}
private List <string> CollectShare()
{
Dictionary <string, int> refCounts = new Dictionary <string, int>();
foreach (var kv in m_buildAssetMap)
{
foreach (var fullPath in kv.Value)
{
string assetPath = XPathTools.GetRelativePath(fullPath);
string[] dps = AssetBuildRelationship.GetDependencies(assetPath);
foreach (var dp in dps)
{
if (refCounts.TryGetValue(dp, out var refCount))
{
refCounts[dp] = refCount + 1;
}
else
{
refCounts.Add(dp, 1);
}
}
}
}
List <string> shareAssetList = new List <string>();
foreach (var refKV in refCounts)
{
if (refKV.Value > 1)
{
shareAssetList.Add(refKV.Key);
}
}
return(shareAssetList);
}
protected virtual string[] GetDependencies(string assetPath)
{
assetPath = XPathTools.GetRelativePath(assetPath);
return(AssetBuildRelationship.GetDependencies(assetPath));
}