Unity Update Resource Code

Tag: CTI private for length generic list count hand finish

Using Unityengine;
Using System.Collections;
Using System.Collections.Generic;
Using System.Text;
Using System.IO;

public class Resupdate:monobehaviour
{
public string version_file;//= "Version.txt"; Filename
public string local_res_url;//= "file://" + Application.datapath + "/res/"; Path to local file
public string server_res_url;//= "file:///C:/Res/"; Path to the server file
public string local_res_path;//= Application.datapath + "/res/"; Local path to the game file

Private dictionary<string,string> localresversion;

Private dictionary<string, string> serverresversion;
Private list<string> needdownfiles; List of files that need to be updated
private bool Needupdatelocalversionfile = false; Whether you need to update

private void Awake ()
{
Needdownfiles = new list<string> ();
Version_file = "Version.txt";
Local_res_url = "file://" + Application.datapath + "/res/";
Server_res_url = @ "file://C:/Users/Administrator/Desktop/";
Local_res_path = Application.datapath + "/res/";
}

void Start ()
{
Initialization
Localresversion = new dictionary<string, string> ();
Serverresversion = new dictionary<string, string> ();
Needdownfiles = new List ();

Loading the local version configuration
Startcoroutine (DownLoad (Local_res_url + version_file, delegate (WWW localversion)
{
Save the local version
Parseversionfile (Localversion.text, localresversion);
Load service-side version configuration
Startcoroutine (this. DownLoad (Server_res_url + version_file, delegate (WWW ServerVersion)
{
Save service-side version
Parseversionfile (Serverversion.text, serverresversion);
Calculate the resources that need to be reloaded
Compareversion ();
Load resources that need to be updated
Downloadres ();
}));

}));
}

Load the resources that need to be updated sequentially
private void Downloadres ()
{
if (Needdownfiles.count = = 0)
{
Updatelocalversionfile ();
Return
}

string file = Needdownfiles[0];
Needdownfiles.removeat (0);

Startcoroutine (this. DownLoad (server_res_url + file, delegate (WWW W)
{
Replace the downloaded resource with a local resource
Replacelocalres (file, w.bytes);
Downloadres ();
}));
}

private void Replacelocalres (String fileName, byte[] data)
{
String FilePath = Local_res_path + fileName;
FileStream stream = new FileStream (Local_res_path + fileName, filemode.create);
Stream. Write (data, 0, data. Length);
Stream. Flush ();
Stream. Close ();
}

Show Resources
Private IEnumerator Show ()
{
yield return null;
www asset = new www (local_res_url + "Cube.assetbundle");
yield return asset;
Assetbundle bundle = Asset.assetbundle;
Instantiate (bundle. Loadasset ("Cube"));
Bundle. Unload (FALSE);
}

Update the local version configuration
private void Updatelocalversionfile ()
{
if (needupdatelocalversionfile)
{
StringBuilder versions = new StringBuilder ();
foreach (var item in serverresversion)
{
Versions. Append (item. Key). Append (","). Append (item. Value). Append ("\ n");
}

FileStream stream = new FileStream (Local_res_path + version_file, filemode.create);
byte[] data = Encoding.UTF8.GetBytes (versions. ToString ());
Stream. Write (data, 0, data. Length);
Stream. Flush ();
Stream. Close ();
}
Loading Display objects
Startcoroutine (Show ());
}

private void Compareversion ()
{
foreach (var version in serverresversion)
{
String fileName = version. Key;
String serverMd5 = version. Value;
New resources
if (! Localresversion.containskey (FileName))
{
Needdownfiles.add (FileName);
}
Else
{
Resources that need to be replaced
String LocalMd5;
Localresversion.trygetvalue (FileName, out localMd5); Determine the name of the file in the server from the local file and return to the MD5
if (!servermd5.equals (LOCALMD5))//If this MD5 in the server is not equal to the local
{
Needdownfiles.add (FileName); Add to Collection
}
}
}
This time update, and update the local version.txt
Needupdatelocalversionfile = needdownfiles.count > 0; Determine if the resource to be updated and added is greater than 0 assigned to the BOOL judgment variable
}

private void Parseversionfile (string content, dictionary<string, string> dict)
{
if (content = = NULL | | content. Length = = 0)
{
Return
}
string[] items = content. Split (new char[] {' \ n '});
foreach (string item in items)
{
string[] Info = Item. Split (new char[] {', '});
if (info! = NULL && info. Length = = 2)
{
Dict. ADD (Info[0], info[1]);
}
}
}

Private IEnumerator DownLoad (string url, handlefinishdownload finishfun)
{
www www = new www (URL);
yield return www;
if (finishfun! = null)
{
Finishfun (WWW);
}
Www.Dispose ();
}

public delegate void Handlefinishdownload (www www);
}

Unity Update Resource Code