CCPackageDownloadManager will allow to resume paused package downloads when enqueue is used.

A failed package download will start over when used with enqueue.

Author: NickyWeber

cocos2d/CCPackageDownloadManager.m

@@ -60,11 +60,23 @@ - (void)setDownloadPath:(NSString *)downloadPath
 
 - (void)enqueuePackageForDownload:(CCPackage *)package
 {
+    if (package.status == CCPackageStatusDownloadPaused)
+    {
+        [self resumeDownloadOfPackage:package];
+        return;
+    }
+
     if ([self packageDownloadForPackage:package])
     {
         return;
     }
 
+    if (!(package.status == CCPackageStatusDownloadFailed
+          || package.status == CCPackageStatusInitial))
+    {
+        return;
+    }
+
     NSString *fileName = [[package standardIdentifier] stringByAppendingPathExtension:@"zip"];
 
     CCPackageDownload *packageDownload = [[CCPackageDownload alloc] initWithPackage:package