Implement FadeProgress class (#110)

src/Game/UI/CMakeLists.txt

@@ -1,4 +1,6 @@
 target_sources(uking PRIVATE
+  uiFadeProgress.cpp
+  uiFadeProgress.h
   uiPauseMenuDataMgr.cpp
   uiPauseMenuDataMgr.h
   uiUtils.cpp

src/Game/UI/uiFadeProgress.cpp

@@ -0,0 +1,56 @@
+#include "Game/UI/uiFadeProgress.h"
+#include "Game/UI/uiUtils.h"
+
+namespace uking::ui {
+
+SEAD_SINGLETON_DISPOSER_IMPL(FadeProgress)
+
+void FadeProgress::init() {
+    mActive = false;
+    mProgress = 0.0;
+    mGaugeValue = 0.0;
+    mSteps = 1.0;
+}
+
+void FadeProgress::reset() {
+    init();
+}
+
+void FadeProgress::updateFadeScreen() {
+    if (!mActive)
+        return;
+
+    float progress = mProgress;
+    float difference = progress - mGaugeValue;
+
+    if (difference > 0.1f)
+        mSteps = 1.1;
+    if (difference > 0.2f)
+        mSteps = 1.2;
+    if (progress > 0.94f)
+        mSteps = 10.0;
+
+    if (difference <= 0.0001f && difference >= -0.0001f)
+        mSteps = 1.0;
+
+    float new_progress = mGaugeValue + (mProgressPerStep * mSteps);
+    if (new_progress < progress)
+        progress = new_progress;
+    mGaugeValue = progress;
+    applyScreenFade(progress);
+}
+
+void FadeProgress::setProgress(float value) {
+    if (mProgress < value)
+        mProgress = value;
+}
+
+float FadeProgress::getGaugeValue() const {
+    return mGaugeValue;
+}
+
+void FadeProgress::setIsActive() {
+    mActive = true;
+}
+
+}  // namespace uking::ui

src/Game/UI/uiFadeProgress.h

@@ -0,0 +1,28 @@
+#pragma once
+
+#include <heap/seadDisposer.h>
+
+namespace uking::ui {
+
+class FadeProgress {
+    SEAD_SINGLETON_DISPOSER(FadeProgress)
+    FadeProgress() = default;
+    ~FadeProgress() = default;
+
+public:
+    void init();
+    void reset();
+    void updateFadeScreen();
+    void setProgress(float value);
+    float getGaugeValue() const;
+    void setIsActive();
+
+private:
+    bool mActive = false;
+    float mProgress = 0.0;
+    float mGaugeValue = 0.0;
+    float mProgressPerStep = 0.002;
+    float mSteps = 1.0;
+};
+
+}  // namespace uking::ui

src/Game/UI/uiUtils.h

@@ -43,4 +43,8 @@ int countCookResultsCheck(const sead::SafeString& name, s32 effect_type);
 int countCookResultsAllOk(const sead::SafeString& name);
 int getItemValue(const sead::SafeString& name);
 
+// TODO: move these to another translation unit (TBD)
+// Do not implement until the location is figured out
+void applyScreenFade(float progress);
+
 }  // namespace uking::ui