Fix #21208: Error messages disappear too quickly if the game runs for a while (#21394)

* Reset gCurrentRealTimeTicks when the map is initialized

* Use 32 bit for gWindowUpdateTicks

* Update changelog.txt

distribution/changelog.txt

@@ -4,6 +4,7 @@
 - Improved: [#21356] Resize the title bar when moving between displays with different scaling factors on Windows systems.
 - Fix: [#18963] Research table in parks from Loopy Landscapes is imported incorrectly.
 - Fix: [#20907] RCT1/AA scenarios use the 4-across train for the Inverted Roller Coaster.
+- Fix: [#21208] Error message will stay open only for a brief moment when the game has been running a while.
 - Fix: [#21220] When creating a new park from a SC4 file, the localised park name is not applied.
 - Fix: [#21286] Cannot build unbanking turns with RCT1 vehicles.
 - Fix: [#21330] Tooltips from dropdown widgets have the wrong position.

src/openrct2/Game.cpp

@@ -542,6 +542,7 @@ void GameLoadInit()
     ContextBroadcastIntent(&intent);
 
     gWindowUpdateTicks = 0;
+    gCurrentRealTimeTicks = 0;
 
     LoadPalette();
 

src/openrct2/interface/Window.cpp

@@ -49,7 +49,7 @@ int32_t gTextBoxFrameNo = 0;
 bool gUsingWidgetTextBox = false;
 TextInputSession* gTextInput;
 
-uint16_t gWindowUpdateTicks;
+uint32_t gWindowUpdateTicks;
 uint16_t gWindowMapFlashingFlags;
 colour_t gCurrentWindowColours[4];
 

src/openrct2/interface/Window.h

@@ -480,7 +480,7 @@ using close_callback = void (*)();
 
 extern WindowBase* gWindowAudioExclusive;
 
-extern uint16_t gWindowUpdateTicks;
+extern uint32_t gWindowUpdateTicks;
 namespace MapFlashingFlags
 {
     constexpr uint16_t GuestListOpen = (1 << 0);