IEnumerator Downloading()
{
while (pendingList.Count > 0)
{
WebItemRequest request = pendingList[0];
pendingList.RemoveAt(0);
WebItem item;
if (cache.TryGetValue(request.url, out item) && item.Item != null)
{
item.AddRef();
if (request.onComplete != null)
{
request.onComplete(true, item);
}
item.Release();
}
else
{
while (downloadingList.Count >= 4)
{
yield return(null);
}
StartCoroutine(WorkerCoroutine(request));
}
yield return(null);
}
}
public void RequestWebAsset(string url, int version, System.Type type,
System.Action <bool, WebItem> onfinish = null,
System.Action <float> onprogress = null)
{
for (int i = 0; i < pendingList.Count; i++)
{
if (pendingList[i].url.Equals(url) && pendingList[i].version == version)
{
pendingList[i].onComplete += onfinish;
pendingList[i].onProgress += onprogress;
return;
}
}
for (int i = 0; i < downloadingList.Count; i++)
{
if (downloadingList[i].url.Equals(url) && downloadingList[i].version == version)
{
downloadingList[i].onComplete += onfinish;
downloadingList[i].onProgress += onprogress;
return;
}
}
WebItemRequest request = new WebItemRequest(url, version, type, onfinish, onprogress);
bool needrestart = pendingList.Count == 0;
pendingList.Add(request);
if (needrestart)
{
StartDownload();
}
#if UNITY_EDITOR
// for (int i = 0; i < pendingList.Count; i++) {
// Debug.Log(pendingList[i].url);
// }
#endif
}
public void RequestWebAsset(string url, int version, System.Type type,
System.Action<bool, WebItem> onfinish = null,
System.Action<float> onprogress = null)
{
for (int i = 0; i < pendingList.Count; i++) {
if(pendingList[i].url.Equals(url) && pendingList[i].version == version) {
pendingList[i].onComplete += onfinish;
pendingList[i].onProgress += onprogress;
return;
}
}
for (int i = 0; i < downloadingList.Count; i++) {
if(downloadingList[i].url.Equals(url)&& downloadingList[i].version == version) {
downloadingList[i].onComplete += onfinish;
downloadingList[i].onProgress += onprogress;
return;
}
}
WebItemRequest request = new WebItemRequest(url, version, type, onfinish, onprogress);
bool needrestart = pendingList.Count == 0;
pendingList.Add(request);
if(needrestart) {
StartDownload();
}
#if UNITY_EDITOR
// for (int i = 0; i < pendingList.Count; i++) {
// Debug.Log(pendingList[i].url);
// }
#endif
}
IEnumerator WorkerCoroutine(WebItemRequest request)
{
string filepath = GetCachePath(request.url, request.version);
bool exists = System.IO.File.Exists(filepath);
string wwwpath = request.url;
if(exists) {
System.Uri uri = new System.Uri(filepath);
wwwpath = uri.AbsoluteUri;
}
using(WWW www = new WWW(System.Uri.EscapeUriString(wwwpath))) {
downloadingList.Add(request);
float timeout = Time.realtimeSinceStartup;
while(!www.isDone) {
if(request.onProgress != null) request.onProgress(www.progress);
yield return null;
if(Time.realtimeSinceStartup - timeout > 1f && www.progress == 0) {
downloadingList.Remove(request);
if(request.onComplete != null) request.onComplete(false, null);
yield break;
}
}
downloadingList.Remove(request);
if(www.error != null) {
Debug.LogWarning("cannot open url: " + wwwpath + " " + www.error);
if(request.onComplete != null) request.onComplete(false, null);
yield break;
}
WebItem item = new WebItem();
item.url = request.url;
item.type = request.type;
item.version = request.version;
if(item.type == typeof(Texture)) {
item.Item = www.textureNonReadable;
}
else if(item.type == typeof(AssetBundle)) {
item.Item = www.assetBundle;
}
else if(item.type == typeof(AudioClip)) {
item.Item = www.audioClip;
}
cache[item.url] = item;
item.AddRef();
if(request.onComplete != null) request.onComplete(true, item);
item.Release();
//check need write to disk
if(!exists) {
//clear old version data
var parentDir = System.IO.Directory.GetParent(filepath);
var files = parentDir.GetFiles();
foreach(var f in files) {
f.Delete();
}
//write new version data
using (var fs = System.IO.File.OpenWrite(filepath)) {
Debug.Log(filepath);
fs.Write(www.bytes, 0, www.bytes.Length);
fs.Flush();
fs.Close();
}
}
}
}
IEnumerator WorkerCoroutine(WebItemRequest request)
{
string filepath = GetCachePath(request.url, request.version);
bool exists = System.IO.File.Exists(filepath);
string wwwpath = request.url;
if (exists)
{
System.Uri uri = new System.Uri(filepath);
wwwpath = uri.AbsoluteUri;
}
using (WWW www = new WWW(System.Uri.EscapeUriString(wwwpath))) {
downloadingList.Add(request);
float timeout = Time.realtimeSinceStartup;
while (!www.isDone)
{
if (request.onProgress != null)
{
request.onProgress(www.progress);
}
yield return(null);
if (Time.realtimeSinceStartup - timeout > 1f && www.progress == 0)
{
downloadingList.Remove(request);
if (request.onComplete != null)
{
request.onComplete(false, null);
}
yield break;
}
}
downloadingList.Remove(request);
if (www.error != null)
{
Debug.LogWarning("cannot open url: " + wwwpath + " " + www.error);
if (request.onComplete != null)
{
request.onComplete(false, null);
}
yield break;
}
WebItem item = new WebItem();
item.url = request.url;
item.type = request.type;
item.version = request.version;
if (item.type == typeof(Texture))
{
item.Item = www.textureNonReadable;
}
else if (item.type == typeof(AssetBundle))
{
item.Item = www.assetBundle;
}
else if (item.type == typeof(AudioClip))
{
item.Item = www.audioClip;
}
cache[item.url] = item;
item.AddRef();
if (request.onComplete != null)
{
request.onComplete(true, item);
}
item.Release();
//check need write to disk
if (!exists)
{
//clear old version data
var parentDir = System.IO.Directory.GetParent(filepath);
var files = parentDir.GetFiles();
foreach (var f in files)
{
f.Delete();
}
//write new version data
using (var fs = System.IO.File.OpenWrite(filepath)) {
Debug.Log(filepath);
fs.Write(www.bytes, 0, www.bytes.Length);
fs.Flush();
fs.Close();
}
}
}
}