Use the Date class in GameState.

src/openrct2/GameState.cpp

@@ -20,6 +20,7 @@
 #include "Editor.h"
 #include "Input.h"
 #include "interface/Screenshot.h"
+#include "localisation/Date.h"
 #include "management/NewsItem.h"
 #include "network/network.h"
 #include "OpenRCT2.h"
@@ -184,6 +185,10 @@ void GameState::UpdateLogic()
     }
 
     sub_68B089();
+
+    date_update();
+    _date = Date(gDateMonthTicks, gDateMonthTicks);
+
     scenario_update();
     climate_update();
     map_update_tiles();
@@ -198,7 +203,7 @@ void GameState::UpdateLogic()
 
     if (!(gScreenFlags & (SCREEN_FLAGS_SCENARIO_EDITOR | SCREEN_FLAGS_TRACK_DESIGNER | SCREEN_FLAGS_TRACK_MANAGER)))
     {
-        _park->Update();
+        _park->Update(_date);
     }
 
     research_update();

src/openrct2/GameState.h

@@ -17,6 +17,7 @@
 #pragma once
 
 #include <memory>
+#include "Date.h"
 
 namespace OpenRCT2
 {
@@ -29,10 +30,12 @@ namespace OpenRCT2
     {
     private:
         std::unique_ptr<Park> _park;
+        Date                  _date;
 
     public:
         GameState();
 
+        Date * GetDate() { return &_date; }
         Park * GetPark() { return _park.get(); }
 
         void Update();

src/openrct2/scenario/Scenario.cpp

@@ -397,7 +397,6 @@ void scenario_update()
 {
     if (gScreenFlags == SCREEN_FLAGS_PLAYING)
     {
-        date_update();
         if (date_is_day_start(gDateMonthTicks))
         {
             scenario_day_update();

src/openrct2/world/Park.cpp

@@ -20,6 +20,7 @@
 #include "../core/Math.hpp"
 #include "../core/Memory.hpp"
 #include "../core/Util.hpp"
+#include "../Date.h"
 #include "../Game.h"
 #include "../interface/Colour.h"
 #include "../interface/Window.h"
@@ -577,7 +578,7 @@ void Park::Initialise()
     format_string(gS6Info.details, 256, STR_NO_DETAILS_YET, nullptr);
 }
 
-void Park::Update()
+void Park::Update(const Date &date)
 {
     // Every 5 seconds approximately
     if (gCurrentTicks % 512 == 0)
@@ -595,7 +596,7 @@ void Park::Update()
     }
 
     // Every week
-    if (date_is_week_start(gDateMonthTicks))
+    if (date.IsWeekStart())
     {
         UpdateHistories();
         gParkSize = CalculateParkSize();

src/openrct2/world/Park.h

@@ -55,6 +55,8 @@ struct rct_ride;
 
 namespace OpenRCT2
 {
+    class Date;
+
     class Park final
     {
     public:
@@ -65,7 +67,7 @@ namespace OpenRCT2
         money32 GetCompanyValue() const;
 
         void Initialise();
-        void Update();
+        void Update(const Date &date);
 
         sint32          CalculateParkSize() const;
         sint32          CalculateParkRating() const;