private List <ABUnit> CalculateDeleteList(AssetDataTable local, AssetDataTable remote)
{
if (remote == null || local == null)
{
return(null);
}
var remoteABList = remote.GetAllABUnit();
//防止远程清单文件下载失败导致本地被删光
if (remoteABList.Count == 0)
{
return(null);
}
List <ABUnit> localABList = local.GetAllABUnit();
List <ABUnit> deleteABList = new List <ABUnit>();
for (int i = localABList.Count - 1; i >= 0; --i)
{
ABUnit localABUnit = localABList[i];
ABUnit remoteABUnit = remote.GetABUnit(localABUnit.abName);
if (remoteABUnit == null)
{
deleteABList.Add(localABUnit);
continue;
}
}
return(deleteABList);
}
//计算成成更新的资源列表
public static List <ABUnit> CalculateLateList(AssetDataTable oldData, AssetDataTable newData, bool addNew)
{
if (newData == null || oldData == null)
{
return(null);
}
List <ABUnit> newABUnitList = newData.GetAllABUnit();
List <ABUnit> lateABList = new List <ABUnit>();
for (int i = newABUnitList.Count - 1; i >= 0; --i)
{
ABUnit newUnit = newABUnitList[i];
ABUnit oldUnit = oldData.GetABUnit(newUnit.abName);
if (oldUnit == null)
{
//更新的新资源
if (addNew)
{
lateABList.Add(newUnit);
}
continue;
}
if (oldUnit.md5.Equals(newUnit.md5))
{
continue;
}
if (oldUnit.buildTime < newUnit.buildTime)
{
lateABList.Add(newUnit);
}
}
return(lateABList);
}
