seregaukr Hello. I need cocos2d-x runtime to open binary .skel files generated from Spine v 2.1.27 or please give binary file format for this version.
Mario I'm afraid we do not have a binary skeleton file loader for 2.1.27 for the cocos2d-x runtime, and also have no plans to backport it.
Mario We only have the format documentation for the latest version I'm afraid, see Spine: Binary export format However, it should be easy to check out the reference binary loader implementation for libGDX for 2.1.17 and port that to C, see spine-runtimes/SkeletonBinary.java at 2.1.25