Add localisable progress status messages

data/language/en-GB.txt

@@ -3702,6 +3702,11 @@ STR_6627    :Track speed too high!
 STR_6628    :Can only be placed on path edges!
 STR_6629    :Align toolbar buttons horizontally centred
 STR_6630    :This setting will align the toolbar buttons horizontally in the centre of the screen. The traditional way of aligning them is in the left and right corner.
+STR_6631    :Loading...
+STR_6632    :Checking object files...
+STR_6633    :Checking scenario files...
+STR_6634    :Checking track design files...
+STR_6635    :Checking asset packs...
 
 #############
 # Scenarios #

src/openrct2/Context.cpp

@@ -505,18 +505,24 @@ namespace OpenRCT2
             ContextInit();
 
             _preloaderScene->AddJob([&]() {
-                _objectRepository->LoadOrConstruct(_localisationService->GetCurrentLanguage());
+                auto currentLanguage = _localisationService->GetCurrentLanguage();
+
+                _preloaderScene->UpdateCaption(STR_CHECKING_OBJECT_FILES);
+                _objectRepository->LoadOrConstruct(currentLanguage);
 
                 if (!gOpenRCT2Headless)
                 {
+                    _preloaderScene->UpdateCaption(STR_CHECKING_ASSET_PACKS);
                     _assetPackManager->Scan();
                     _assetPackManager->LoadEnabledAssetPacks();
                     _assetPackManager->Reload();
                 }
 
-                _trackDesignRepository->Scan(_localisationService->GetCurrentLanguage());
+                _preloaderScene->UpdateCaption(STR_CHECKING_TRACK_DESIGN_FILES);
+                _trackDesignRepository->Scan(currentLanguage);
 
-                _scenarioRepository->Scan(_localisationService->GetCurrentLanguage());
+                _preloaderScene->UpdateCaption(STR_CHECKING_SCENARIO_FILES);
+                _scenarioRepository->Scan(currentLanguage);
             });
 
             TitleSequenceManager::Scan();

src/openrct2/localisation/StringIds.h

@@ -3855,6 +3855,12 @@ enum : uint16_t
     STR_OPTIONS_TOOLBAR_BUTTONS_CENTRED = 6629,
     STR_OPTIONS_TOOLBAR_BUTTONS_CENTRED_TIP = 6630,
 
+    STR_LOADING_GENERIC = 6631,
+    STR_CHECKING_OBJECT_FILES = 6632,
+    STR_CHECKING_SCENARIO_FILES = 6633,
+    STR_CHECKING_TRACK_DESIGN_FILES = 6634,
+    STR_CHECKING_ASSET_PACKS = 6635,
+
     // Have to include resource strings (from scenarios and objects) for the time being now that language is partially working
     /* MAX_STR_COUNT = 32768 */ // MAX_STR_COUNT - upper limit for number of strings, not the current count strings
 };

src/openrct2/scenes/preloader/PreloaderScene.cpp

@@ -16,6 +16,7 @@
 #include "../../audio/audio.h"
 #include "../../interface/Viewport.h"
 #include "../../interface/Window.h"
+#include "../../localisation/LocalisationService.h"
 #include "../../localisation/StringIds.h"
 #include "../../windows/Intent.h"
 
@@ -37,9 +38,7 @@ void PreloaderScene::Load()
     ContextOpenWindow(WindowClass::MainWindow);
     WindowResizeGui(ContextGetWidth(), ContextGetHeight());
 
-    auto intent = Intent(WindowClass::NetworkStatus);
-    intent.PutExtra(INTENT_EXTRA_MESSAGE, std::string{ "Loading..." });
-    ContextOpenIntent(&intent);
+    UpdateCaption(STR_LOADING_GENERIC);
 
     LOG_VERBOSE("PreloaderScene::Load() finished");
 }
@@ -62,6 +61,15 @@ void PreloaderScene::Tick()
     }
 }
 
+void PreloaderScene::UpdateCaption(StringId stringId)
+{
+    LOG_VERBOSE("PreloaderScene::UpdateCaption()");
+
+    auto intent = Intent(WindowClass::NetworkStatus);
+    intent.PutExtra(INTENT_EXTRA_MESSAGE, GetContext().GetLocalisationService().GetString(stringId));
+    ContextOpenIntent(&intent);
+};
+
 void PreloaderScene::Stop()
 {
     Audio::StopAll();

src/openrct2/scenes/preloader/PreloaderScene.h

@@ -23,6 +23,7 @@ namespace OpenRCT2
         void Load() override;
         void Tick() override;
         void Stop() override;
+        void UpdateCaption(StringId stringId);
         void AddJob(const std::function<void()>& fn)
         {
             _jobs.AddTask(fn);