ksys: Add SystemTimers

src/KingSystem/System/CMakeLists.txt

@@ -35,6 +35,8 @@ target_sources(uking PRIVATE
   StringBoard.h
   SystemPauseMgr.cpp
   SystemPauseMgr.h
+  SystemTimers.cpp
+  SystemTimers.h
   Timer.cpp
   Timer.h
   UIGlue.cpp

src/KingSystem/System/SystemTimers.cpp

@@ -0,0 +1,49 @@
+#include "KingSystem/System/SystemTimers.h"
+
+#include "KingSystem/System/VFR.h"
+
+namespace ksys {
+
+SEAD_SINGLETON_DISPOSER_IMPL(SystemTimers)
+
+SystemTimers::~SystemTimers() = default;
+
+void SystemTimers::init() {
+    mVfrTimer = 0;
+    mFrameCounterB = 0;
+    mVfrTimer2 = 0;
+    mFrameCounterB2 = 0;
+    mFrameCounter = 0;
+    mFrameCounter2 = 0;
+}
+
+void SystemTimers::init2() {
+    init();
+}
+
+void SystemTimers::prepareStageUnload() {}
+
+void SystemTimers::incrementCountersAndUpdate() {
+    mFrameCounter++;
+    mFrameCounter2++;
+    f32 deltaTime = VFR::instance()->getDeltaTime();
+    mVfrTimer += deltaTime;
+
+    while (mVfrTimer >= 1) {
+        mFrameCounterB++;
+        mVfrTimer--;
+    }
+
+    mVfrTimer2 += deltaTime;
+    while (mVfrTimer2 >= 1) {
+        mFrameCounterB2++;
+        mVfrTimer2--;
+    }
+}
+
+void SystemTimers::incrementCounters() {
+    mFrameCounter++;
+    mFrameCounterB++;
+}
+
+}  // namespace ksys

src/KingSystem/System/SystemTimers.h

@@ -0,0 +1,31 @@
+#pragma once
+
+#include <heap/seadDisposer.h>
+#include <heap/seadHeap.h>
+#include "KingSystem/Utils/Types.h"
+
+namespace ksys {
+
+class SystemTimers {
+    SEAD_SINGLETON_DISPOSER(SystemTimers);
+
+    SystemTimers() = default;
+    virtual ~SystemTimers();
+
+public:
+    void init();
+    void init2();
+    void prepareStageUnload();
+    void incrementCountersAndUpdate();
+    void incrementCounters();
+
+    unsigned int mFrameCounter = 0;
+    int mFrameCounter2 = 0;
+    float mVfrTimer = 0;
+    int mFrameCounterB = 0;
+    float mVfrTimer2 = 0;
+    int mFrameCounterB2 = 0;
+};
+KSYS_CHECK_SIZE_NX150(SystemTimers, 0x40);
+
+}  // namespace ksys