SystemPauseMgr and NXArgs are game code

Both link in the game archive, and NXArgs uses game classes such as
GameScene. The engine only calls SystemPauseMgr's virtuals, so it now
goes through ksys::ISystemPauseMgr and no longer includes Game/.

(AI assisted using Claude Fable 5.1 and Claude Opus 5.5)

1 files changed, 21 insertions, 3 deletions

diff --git a/src/KingSystem/System/OverlayArenaSystem.h b/src/KingSystem/System/OverlayArenaSystem.h
index 73d55373..a0a3cd71 100644
--- a/src/KingSystem/System/OverlayArenaSystem.h
+++ b/src/KingSystem/System/OverlayArenaSystem.h
@@ -23,7 +23,25 @@ class TaskThread;
 }  // namespace util
 
 class OverlayArena;
-class SystemPauseMgr;
+
+class ISystemPauseMgr {
+public:
+    virtual ~ISystemPauseMgr() = default;
+
+    virtual void m2() = 0;
+    virtual void waitForOnUiActorMgrAndBlockSaveMaybe() = 0;
+    virtual void stopNfpAndWaitForSaveMgr() = 0;
+    virtual void waitForOnUiActorMgr() = 0;
+    virtual void pauseGameSceneAndWait() = 0;
+    virtual bool releaseScreensAndShowMainLayer() = 0;
+    virtual void onSystemPauseResume() = 0;
+    virtual void waitForStageGenFinalStep() = 0;
+    virtual void restoreMainLayerAndResumeGameScene() = 0;
+    virtual bool hideMainLayer() = 0;
+    virtual void openFadeScreen() = 0;
+    virtual void showMainLayerAndResumeProcJobs() = 0;
+    virtual void clearHideMainLayerAndResumeEvents() = 0;
+};
 
 // FIXME: incomplete
 class OverlayArenaSystem {
@@ -34,7 +52,7 @@ class OverlayArenaSystem {
 
 public:
     struct InitArg {
-        SystemPauseMgr* system_pause_mgr;
+        ISystemPauseMgr* system_pause_mgr;
     };
 
     bool init(const InitArg& arg, sead::Heap* heap);
@@ -95,7 +113,7 @@ private:
     OverlayArena* mAudioArena = nullptr;
     OverlayArena* mUnknownArena = nullptr;
     sead::Heap* mJpegHeap = nullptr;
-    SystemPauseMgr* mSystemPauseMgr = nullptr;
+    ISystemPauseMgr* mSystemPauseMgr = nullptr;
     OverlayArenaSystemS1 mS1;
     u32 _b8 = 0;
     util::TaskThread* mPrepareThread = nullptr;