XiuXianProject/GameClient/Assets/ThirdParty/Live2D/Cubism/Core/CubismLogging.cs

/**
 * Copyright(c) Live2D Inc. All rights reserved.
 *
 * Use of this source code is governed by the Live2D Open Software license
 * that can be found at https://www.live2d.com/eula/live2d-open-software-license-agreement_en.html.
 */


using AOT;
using Live2D.Cubism.Core.Unmanaged;
using System;
using System.Runtime.InteropServices;
using UnityEngine;


namespace Live2D.Cubism.Core
{
    /// <summary>
    /// Wrapper for core logs.
    /// </summary>
    public class CubismLogging
    {
        #region Delegates

        /// <summary>
        /// Delegate compatible with unmanaged log function.
        /// </summary>
        /// <param name="message">Message to log.</param>
        public unsafe delegate void UnmanagedLogDelegate(char* message);

        #endregion

        /// <summary>
        /// Delegate to pass to native Api.
        /// </summary>
        // ReSharper disable once PrivateFieldCanBeConvertedToLocalVariable
        public static UnmanagedLogDelegate LogDelegate { get; set; }

        #region Initialization

        /// <summary>
        /// Registers delegates.
        /// </summary>
        public static unsafe void Initialize(UnmanagedLogDelegate logFunctionDelegate)
        {
            LogDelegate = logFunctionDelegate;

            var logFunction = Marshal.GetFunctionPointerForDelegate(LogDelegate);

            CubismCoreDll.SetLogFunction(logFunction);
        }

        #endregion

        /// <summary>
        /// Prints an unmanaged, null-terminated message.
        /// </summary>
        /// <param name="message">Message to log.</param>
        [MonoPInvokeCallback(typeof(UnmanagedLogDelegate))]
        public static unsafe void LogUnmanaged(char* message)
        {
            // Marshal message and log it.
            var managedMessage = Marshal.PtrToStringAnsi(new IntPtr(message));


            Debug.LogFormat("[Cubism] Core: {0}.", managedMessage);
        }

        /// <summary>
        /// Example log function.
        /// </summary>
        /// <param name="message">Log message.</param>
        public static unsafe void InvokeLog(string message)
        {
            var logFunction = Marshal.GetDelegateForFunctionPointer<UnmanagedLogDelegate>(CubismCoreDll.GetLogFunction());

            var str = Marshal.StringToHGlobalAnsi(message);
            logFunction.Invoke((char*)str.ToPointer());
        }
    }
}