fix transferrred player eligibile to improvement again. update instructions

Author: jiangsheng

Fsm97Trainer/Fsm97Trainer/MenusProcess.cs

@@ -473,13 +473,22 @@ public void BoostYouthPlayer(bool currentTeamOnly)
             try
             {
                 NativeMethods.SuspendProcess(Process);
-
+                int currentDate = NativeMethods.ReadInt(Process, DateAddress);
+                DateTime currentDateTime = new DateTime(1899, 12, 30).AddDays(currentDate);
+                if (currentDateTime.Month < 5 || currentDateTime.Month > 7)
+                {
+                    throw new InvalidOperationException("只能在赛季初修改年轻球员数据 (Can only change youth player data at the beginning of the season)");
+                }
                 var playerNodes = ReadPlayers(currentTeamOnly);
-                foreach (var playerNode in playerNodes)
+                var youthPlayerNodes = playerNodes.Where(p => p.Data.Age < 20 && p.Data.ContractWeeks == 144 || p.Data.ContractWeeks == 143)
+                    .ToList();
+                if (youthPlayerNodes.Count == 0)
+                {
+                    throw new InvalidOperationException("未找到匹配的年轻球员。注意只能在赛季初修改年轻球员数据 (Youth player not found. Note can only change youth player data at the beginning of the season)");
+                }
+                foreach (var playerNode in youthPlayerNodes)
                 {
                     var player = playerNode.Data;
-                    if (player.Age >= 20) continue;
-                    if (player.ContractWeeks > 144 || player.ContractWeeks < 143) continue;
                     player.Speed += 25; if (player.Speed > 99) player.Speed = 99;
                     player.Agility += 25; if (player.Agility > 99) player.Agility = 99;
                     player.Acceleration += 25; if (player.Acceleration > 99) player.Acceleration = 99;

README.md

@@ -1,6 +1,24 @@
 # fsm97trainer
 Patch and trainer for EA's FIFA Soccer Manager (1997). 
 
+## Requirements
+
+Requires .Net 4 (included in Windows 10).  
+
+.Net 4.8 Recommended (https://dotnet.microsoft.com/zh-cn/download/dotnet-framework/thank-you/net48-web-installer)
+
+For Windows XP users .Net 4.0 can be downloaded from https://www.microsoft.com/en-us/download/details.aspx?id=17851 
+
+## How to install
+
+Unzip the files to anywhere. 
+
+## Patching the executable
+
+Run the patcher, enter the path to the menus.exe in game folder, or click the browse button to select the file. Choose the traning effects you want. Then click Patch.
+
+To remove the patch, enter the path to menus.exe, then click Unpatch. 
+
 ## Features
 
 ### Patcher