Reorganize source files into logical subdirectories

Co-authored-by: Hirek193 <23196899+Hirek193@users.noreply.github.com>

utilities/dictionary.cpp

@@ -0,0 +1,50 @@
+/*
+This Source Code Form is subject to the
+terms of the Mozilla Public License, v.
+2.0. If a copy of the MPL was not
+distributed with this file, You can
+obtain one at
+http://mozilla.org/MPL/2.0/.
+*/
+
+#include "stdafx.h"
+#include "dictionary.h"
+
+#include "simulation.h"
+#include "utilities.h"
+#include "DynObj.h"
+#include "Driver.h"
+#include "mtable.h"
+
+dictionary_source::dictionary_source( std::string const &Input ) {
+
+    auto const keyvaluepairs { Split( Input, '&' ) };
+
+    for( auto const &keyvaluepair : keyvaluepairs ) {
+
+        auto const valuepos { keyvaluepair.find( '=' ) };
+        if( keyvaluepair[ 0 ] != '$' ) {
+            // regular key, value pairs
+            insert(
+                ToLower( keyvaluepair.substr( 0, valuepos ) ),
+                keyvaluepair.substr( valuepos + 1 ) );
+        }
+        else {
+            // special case, $key indicates request to include certain dataset clarified by value
+            auto const key { ToLower( keyvaluepair.substr( 0, valuepos ) ) };
+            auto const value { keyvaluepair.substr( valuepos + 1 ) };
+
+            if( key == "$timetable" ) {
+                // timetable pulled from (preferably) the owner/direct controller of specified vehicle
+                auto const *vehicle { simulation::Vehicles.find( value ) };
+                auto const *controller { (
+                    vehicle == nullptr ? nullptr :
+                    vehicle->ctOwner == nullptr ? vehicle->Mechanik :
+                    vehicle->ctOwner ) };
+                if( controller != nullptr ) {
+                    controller->TrainTimetable().serialize( this );
+                }
+            }
+        }
+    }
+}