feat(ui): add CSimpleStatusBar::OnLayerUpdate

src/ui/CLayoutFrame.cpp

@@ -332,6 +332,10 @@ void CLayoutFrame::GetFirstPointY(const FRAMEPOINT* const pointarray, int32_t el
     }
 }
 
+float CLayoutFrame::GetHeight() {
+    return this->m_height;
+}
+
 CLayoutFrame* CLayoutFrame::GetLayoutFrameByName(const char* name) {
     return nullptr;
 }
@@ -353,8 +357,20 @@ int32_t CLayoutFrame::GetRect(CRect* rect) {
     return 1;
 }
 
-float CLayoutFrame::GetHeight() {
-    return this->m_height;
+void CLayoutFrame::GetSize(float& width, float& height, int32_t a4) {
+    width = this->GetWidth();
+    height = this->GetHeight();
+
+    if (!a4 && (width == 0.0f || height == 0.0f)) {
+        if (this->m_flags & FLAG_RESIZE_PENDING) {
+            this->Resize(1);
+        }
+
+        if (this->m_flags & 0x1) {
+            width = (this->m_rect.maxX - this->m_rect.minX) / this->m_layoutScale;
+            height = (this->m_rect.maxY - this->m_rect.minY) / this->m_layoutScale;
+        }
+    }
 }
 
 float CLayoutFrame::GetWidth() {

src/ui/CLayoutFrame.hpp

@@ -51,6 +51,7 @@ class CLayoutFrame {
         virtual void SetHeight(float height);
         virtual float GetWidth();
         virtual float GetHeight();
+        virtual void GetSize(float& width, float& height, int32_t a4);
         virtual void GetClampRectInsets(float& a1, float& a2, float& a3, float& a4);
         virtual int32_t IsAttachmentOrigin();
         virtual CLayoutFrame* GetLayoutFrameByName(const char* name);

src/ui/simple/CSimpleStatusBar.cpp

@@ -28,6 +28,16 @@ void CSimpleStatusBar::RegisterScriptMethods(lua_State* L) {
     FrameScript_Object::FillScriptMethodTable(L, SimpleStatusBarMethods, NUM_SIMPLE_STATUS_BAR_SCRIPT_METHODS);
 }
 
+float CSimpleStatusBar::GetAnimValue() const {
+    auto range = this->m_maxValue - this->m_minValue;
+
+    if (range <= 0.0f) {
+        return 0.0f;
+    }
+
+    return (this->m_value - this->m_minValue) / range;
+}
+
 FrameScript_Object::ScriptIx* CSimpleStatusBar::GetScriptByName(const char* name, ScriptData& data) {
     auto script = this->CSimpleFrame::GetScriptByName(name, data);
 
@@ -129,6 +139,46 @@ void CSimpleStatusBar::LoadXML(const XMLNode* node, CStatus* status) {
     }
 }
 
+void CSimpleStatusBar::OnLayerUpdate(float elapsedSec) {
+    this->CSimpleFrame::OnLayerUpdate(elapsedSec);
+
+    if (!this->m_changed || !this->m_rangeSet || !this->m_valueSet || !this->m_barTexture) {
+        return;
+    }
+
+    auto animValue = this->GetAnimValue();
+
+    if (animValue <= 0.0f) {
+        this->m_barTexture->Hide();
+        this->m_changed = false;
+
+        return;
+    }
+
+    float width, height;
+    this->GetSize(width, height, false);
+
+    auto fill = 1.0f - animValue;
+
+    this->m_barTexture->Show();
+
+    if (this->m_orientation == ORIENTATION_VERTICAL) {
+        this->m_barTexture->SetPoint(FRAMEPOINT_BOTTOMLEFT, this, FRAMEPOINT_BOTTOMLEFT, 0.0f, 0.0f, true);
+        this->m_barTexture->SetPoint(FRAMEPOINT_BOTTOMRIGHT, this, FRAMEPOINT_BOTTOMRIGHT, 0.0f, 0.0f, true);
+
+        this->m_barTexture->SetPoint(FRAMEPOINT_TOPLEFT, this, FRAMEPOINT_TOPLEFT, 0.0f, -(fill * height), true);
+        this->m_barTexture->SetPoint(FRAMEPOINT_TOPRIGHT, this, FRAMEPOINT_TOPRIGHT, 0.0f, -(fill * height), true);
+    } else {
+        this->m_barTexture->SetPoint(FRAMEPOINT_TOPLEFT, this, FRAMEPOINT_TOPLEFT, 0.0f, 0.0f, true);
+        this->m_barTexture->SetPoint(FRAMEPOINT_BOTTOMLEFT, this, FRAMEPOINT_BOTTOMLEFT, 0.0f, 0.0f, true);
+
+        this->m_barTexture->SetPoint(FRAMEPOINT_TOPRIGHT, this, FRAMEPOINT_TOPRIGHT, -(fill * width), 0.0f, true);
+        this->m_barTexture->SetPoint(FRAMEPOINT_BOTTOMRIGHT, this, FRAMEPOINT_BOTTOMRIGHT, -(fill * width), 0.0f, true);
+    }
+
+    this->m_changed = false;
+}
+
 void CSimpleStatusBar::RunOnMinMaxChangedScript() {
     if (!this->m_onMinMaxChanged.luaRef) {
         return;

src/ui/simple/CSimpleStatusBar.hpp

@@ -19,6 +19,8 @@ class CSimpleStatusBar : public CSimpleFrame {
         virtual ScriptIx* GetScriptByName(const char* name, ScriptData& data);
         virtual bool IsA(int32_t type);
         // TODO
+        virtual void OnLayerUpdate(float elapsedSec);
+        // TODO
         virtual void SetValue(float value);
         virtual void LoadXML(const XMLNode* node, CStatus* status);
 
@@ -28,6 +30,7 @@ class CSimpleStatusBar : public CSimpleFrame {
             , m_changed(false)
             , m_rangeSet(false)
             , m_valueSet(false) {};
+        float GetAnimValue() const;
         float GetMaxValue() const;
         float GetMinValue() const;
         float GetValue() const;