c1_unity/Assets/Scripts/Utils/Utils.cs

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.Text.RegularExpressions;
using UnityEngine.UI;
using System.Net.NetworkInformation;
using System.Net.Sockets;
using System.IO;

namespace BF
{
    public static class Utils
    {
        private const uint HASH_SEED = 31;
        public const string FORWARD_SLASH = "/";

        private static Regex RegexMatchPath;

        private static bool c_free_flag = false;
        private static bool c_config_flag = false;

        public static char[] GetFreeChar()
        {
            if (!c_free_flag)
            {
                c_free_flag = true;
                for (int i = 0; i < 16; ++i)
                {
                    GameConst.C_FREE_CHAR[i] = (char)(GameConst.C_FREE_CHAR[i] ^ (0x29 - i));
                }
            }
            return GameConst.C_FREE_CHAR;
        }

        public static char[] GetConfigChar()
        {
            if (!c_config_flag)
            {
                c_config_flag = true;
                for (int i = 0; i < 13; ++i)
                {
                    GameConst.C_CONFIG_CHAR[i] = (char)(GameConst.C_CONFIG_CHAR[i] ^ (0x32 - i));
                }
            }
            return GameConst.C_CONFIG_CHAR;
        }

        public static bool IsNull(UnityEngine.Object o) // 或者名字叫IsDestroyed等等
        {
            return o == null;
        }

        public static Component BFGetComponent(this GameObject go, Type componentType)
        {
            var com = go.GetComponent(componentType);
            if (com)
            {
                return com;
            }
            else
            {
                return null;
            }
        }
        public static void GetTransformPath(Transform trans, Transform parentTrans, ref string path)
        {
            if (path == "")
                path = trans.name;
            else
                path = trans.name + FORWARD_SLASH + path;
            if (trans.parent != null && trans != parentTrans)
                GetTransformPath(trans.parent, parentTrans, ref path);
        }

        public static T GetLuaInPath<T>(string path)
        {
            var ret = BFMain.Instance.LuaMgr.luaEnv.Global.GetInPath<T>(path);
            return ret;
        }

        public static string GetAssetPathByFullPath(string fullPath)
        {
            if (null == RegexMatchPath)
                RegexMatchPath = new Regex("(.+?)(Assets/.+)");

            fullPath = fullPath.Replace("\\", "/");
            return RegexMatchPath.Replace(fullPath, "$2");
        }

        public static Vector2 RectTransformScreenPointToLocalPointInRectangle(RectTransform rt, float x, float y, Camera cam)
        {
            Vector2 lp;
            RectTransformUtility.ScreenPointToLocalPointInRectangle(rt, new Vector2(x, y), cam, out lp);
            return lp;
        }

        public static bool RectangleContainsScreenPoint(RectTransform rt, float x, float y, Camera cam)
        {
            return RectTransformUtility.RectangleContainsScreenPoint(rt, new Vector2(x, y), cam);
        }

        public static int KillDOTween(int id, bool complete = false)
        {
            return DG.Tweening.DOTween.Kill(id, complete);
        }

        public static void SetDOTweenTimeScale(int id, float timeScale)
        {
            var list = DG.Tweening.DOTween.TweensById(id);
            if (!ReferenceEquals(list, null))
            {
                int count = list.Count;
                for (int i = 0; i < count; i++)
                {
                    list[i].timeScale = timeScale;
                }
            }
        }

        public static int NameToLayer(string name)
        {
            return LayerMask.NameToLayer(name);
        }

        public static void SetLayoutAlignment(LayoutGroup layout, int enum_type)
        {
            if (layout != null)
            {
                layout.childAlignment = (TextAnchor)enum_type;
            }
        }

        /// <summary>
        /// 获取Transform的世界坐标
        /// </summary>
        /// <param name="rectTransform"></param>
        /// <param name="canvas"></param>
        /// <returns></returns>
        public static Vector3 TransformPoint2World(Transform transform, Vector3 point)
        {
            return transform.localToWorldMatrix.MultiplyPoint(point);
        }

        /// <summary>
        /// 获取Transform的本地坐标
        /// </summary>
        /// <param name="transform"></param>
        /// <param name="point"></param>
        /// <returns></returns>
        public static Vector3 TransformWorld2Point(Transform transform, Vector3 point)
        {
            return transform.worldToLocalMatrix.MultiplyPoint(point);
        }

        public static string GetIP()
        {
            var output = "";
            foreach (var item in NetworkInterface.GetAllNetworkInterfaces())
            {
                foreach (var ip in item.GetIPProperties().UnicastAddresses)
                {
                    //IPv4
                    if (ip.Address.AddressFamily == AddressFamily.InterNetwork)
                    {
                        output = ip.Address.ToString();
                    }
                }
            }
            return output;
        }

        public static List<string> GetStringConfigPathList()
        {
            var result = new List<string>();
#if UNITY_EDITOR
            var luaPath = "Assets/developer/lua/app/config/strings";
            var dirInfo = new DirectoryInfo(luaPath);
            var fileInfos = dirInfo.GetFiles("*.lua", SearchOption.AllDirectories);
            foreach (var file in fileInfos)
            {
                var name = file.FullName.Replace("\\", "/");
                var index = name.IndexOf("Assets/developer/lua/");
                name = name.Substring(index).Replace(".lua", "").Replace("Assets/developer/lua/", "");
                result.Add(name);
            }
#endif
            return result;
        }

        public static bool RayCast(Ray ray, float distance, int layer, out RaycastHit raycastHit)
        {
            if (Physics.Raycast(ray, out RaycastHit result, distance, layer))
            {
                raycastHit = result;
                return true;
            }
            raycastHit = new RaycastHit();
            return false;
        }

        public static uint BKDRHash(string name)
        {
            uint h = 0;
            for (int i = 0; i < name.Length; ++i)
            {
                h = h * HASH_SEED + (byte)name[i];
            }
            return h;
        }

        public static Color ParseHtmlString(string htmlString)
        {
            Color newCol;
            ColorUtility.TryParseHtmlString(htmlString, out newCol);
            return newCol;
        }

        public static int GetCurrentAnimationHash(Animator animator, int layer = 0)
        {
            return animator.GetCurrentAnimatorStateInfo(layer).shortNameHash;
        }

        public static int GetEnvironmentTickCount()
        {
            int tickCount = System.Environment.TickCount;
            return tickCount;
        }

        public static string GetDataSecretKey()
        {
            string rsaKey = NetUtility.GetRandomString(16);
            return rsaKey;
        }

        public static long GetRewardNumber(string str)
        {
            var bytes = System.Convert.FromBase64String(str);
            var index = 0;
            var bytesCount = bytes.Length;
            var key = GetConfigChar();
            var keyLength = key.Length;
            for (int i = 0; i < bytesCount; i++)
            {
                bytes[i] = (byte)(bytes[i] ^ (key[index % key.Length]));
                index++;
                if (index >= keyLength) {
                    index = 0;
                }
            }
            var result = System.Text.Encoding.UTF8.GetString(bytes);
            return Convert.ToInt64(result);
        }

        // 从Sha1证书签名中提取keyhash给facebook等sdk用
        // 需要去GooglePlayConsle后台查看证书的sha1
        public static string GetAndroidSignKeyHash()
        {
            byte[] sha1 = {
                0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19
            };
            return Convert.ToBase64String(sha1);
        }
    }
}