CCPackageManager's baseURL must be set in order to use the convenience download methods.

Otherwise an error is returned thru the delegate method downloadFailed and nil is returned instead of a package.

Author: NickyWeber

cocos2d/CCPackageConstants.h

@@ -13,6 +13,9 @@ extern NSUInteger const PACKAGE_ERROR_MANAGER_CANNOT_ENABLE_NON_DISABLED_PACKAGE
 
 extern NSUInteger const PACKAGE_ERROR_MANAGER_CANNOT_DISABLE_NON_ENABLED_PACKAGE;
 
+extern NSUInteger const PACKAGE_ERROR_MANAGER_NO_BASE_URL_SET;
+
+
 
 // Misc
 extern NSString *const PACKAGE_REL_DOWNLOAD_FOLDER;

cocos2d/CCPackageConstants.m

@@ -16,6 +16,7 @@
 
 NSUInteger const PACKAGE_ERROR_MANAGER_CANNOT_DISABLE_NON_ENABLED_PACKAGE = 10021;
 
+NSUInteger const PACKAGE_ERROR_MANAGER_NO_BASE_URL_SET = 10022;
 
 // Misc
 NSString *const PACKAGE_REL_DOWNLOAD_FOLDER = @"com.cocos2d/Packages/Downloads";

cocos2d/CCPackageManager.m

@@ -238,6 +238,12 @@ - (CCPackage *)downloadPackageWithName:(NSString *)name resolution:(NSString *)r
     NSString *packageName = [NSString stringWithFormat:@"%@-%@-%@.zip", name, [CCPackageHelper currentOS], resolution];
     NSURL *remoteURL = [_baseURL URLByAppendingPathComponent:packageName];
 
+    if (!_baseURL)
+    {
+        [_delegate packageDownloadFailed:nil error:[NSError errorWithDomain:@"cocos2d" code:PACKAGE_ERROR_MANAGER_NO_BASE_URL_SET userInfo:nil]];
+        return nil;
+    }
+
     return [self downloadPackageWithName:name resolution:resolution remoteURL:remoteURL enableAfterDownload:enableAfterDownload];
 }