import Foundation
import UnityLibrary

// 用于加载Unity框架的辅助类
class UnityFrameworkLoader: NSObject {
    // 加载Unity框架
    func loadUnityFramework() -> UnityFramework? {
        let bundlePath = Bundle.main.bundlePath
        let frameworkPath = bundlePath + "/Frameworks/UnityFramework.framework"
        
        let bundle = Bundle(path: frameworkPath)
        if bundle?.isLoaded == false {
            bundle?.load()
        }
        
        let frameworkClass = NSClassFromString("UnityFramework") as? UnityFramework.Type
        let framework = frameworkClass?.getInstance()
        
        if framework?.appController() == nil {
            // Unity还未初始化，进行初始化
            let machineHeader = UnsafeMutablePointer<MachHeader>.allocate(capacity: 1)
            machineHeader.pointee = _mh_execute_header
            
            framework?.setExecuteHeader(machineHeader)
        }
        
        return framework
    }
}