[+] Unlock maps that are not in this version

AquaMai/AquaMai.csproj

@@ -266,6 +266,7 @@
     </Reference>
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Cheat\MapUnlock.cs" />
     <Compile Include="Cheat\TicketUnlock.cs" />
     <Compile Include="Config.cs" />
     <Compile Include="Fix\FixCharaCrash.cs" />

AquaMai/AquaMai.toml

@@ -4,6 +4,8 @@
 [Cheat]
 # Unlock normally event-only tickets
 TicketUnlock=true
+# Unlock maps that are not in this version
+MapUnlock=true
 
 # ===================================
 # UX: User Experience Improvements

AquaMai/Cheat/MapUnlock.cs

@@ -0,0 +1,26 @@
+using Manager.MaiStudio;
+using HarmonyLib;
+
+namespace AquaMai.Cheat
+{
+    public class MapUnlock
+    {
+        // For any map, return the event ID 1 to unlock it
+        [HarmonyPrefix]
+        [HarmonyPatch(typeof(MapData), "get_OpenEventId")]
+        public static bool get_OpenEventId(ref StringID __result)
+        {
+            var id = new Manager.MaiStudio.Serialize.StringID
+            {
+                id = 1,
+                str = "無期限常時解放"
+            };
+            
+            var sid = new StringID();
+            sid.Init(id);
+            
+            __result = sid;
+            return false;
+        }
+    }
+}

AquaMai/Config.cs

@@ -12,6 +12,7 @@ namespace AquaMai
         public class CheatConfig
         {
             public bool TicketUnlock { get; set; }
+            public bool MapUnlock { get; set; }
         }
 
         public class UXConfig