validate_tile.patch

diff --git a/src/command.cpp b/src/command.cpp
index 007fce35c3..65e5acf10c 100644
--- a/src/command.cpp
+++ b/src/command.cpp
@@ -287,9 +287,6 @@ void CommandHelperBase::LogCommandExecution(Commands cmd, StringID err_message,
  */
 bool CommandHelperBase::InternalExecutePrepTest(CommandFlags cmd_flags, TileIndex tile, Backup<CompanyID> &cur_company)
 {
-       /* Do not even think about executing out-of-bounds tile-commands */
-       if (tile != 0 && (tile >= MapSize() || (!IsValidTile(tile) && (cmd_flags & CMD_ALL_TILES) == 0))) return false;
-
        /* Always execute server and spectator commands as spectator */
        bool exec_as_spectator = (cmd_flags & (CMD_SPECTATOR | CMD_SERVER)) != 0;

diff --git a/src/command_func.h b/src/command_func.h
index 861dd480b2..d78c8229a4 100644
--- a/src/command_func.h
+++ b/src/command_func.h
@@ -222,6 +222,12 @@ struct CommandHelper<Tcmd, Tret(*)(DoCommandFlag, Targs...), true> : protected C
        template <typename Tcallback>
        static bool PostFromNet(StringID err_message, Tcallback *callback, bool my_cmd, TileIndex location, std::tuple<Targs...> args)
        {
+               if constexpr (std::is_same_v<TileIndex, std::tuple_element_t<0, decltype(args)>>) {
+                       /* Do not even think about executing out-of-bounds tile-commands. */
+                       TileIndex tile = std::get<0>(args);
+                       if (tile != 0 && (tile >= MapSize() || (!IsValidTile(tile) && (GetCommandFlags<Tcmd>() & CMD_ALL_TILES) == 0))) return false;
+               }
+
                return InternalPost(err_message, callback, my_cmd, true, location, std::move(args));
        }

@@ -299,6 +305,9 @@ struct CommandHelper<Tcmd, Tret(*)(DoCommandFlag, Targs...), true> : protected C
        template <typename Tcallback>
        static bool InternalPost(StringID err_message, Tcallback *callback, bool my_cmd, bool network_command, TileIndex tile, std::tuple<Targs...> args)
        {
+               /* Do not even think about executing out-of-bounds tile-commands. */
+               if (tile != 0 && (tile >= MapSize() || (!IsValidTile(tile) && (GetCommandFlags<Tcmd>() & CMD_ALL_TILES) == 0))) return false;
+
                auto [err, estimate_only, only_sending] = InternalPostBefore(Tcmd, GetCommandFlags<Tcmd>(), tile, err_message, network_command);
                if (err) return false;