From aa22dd952a86b03826bc960413133c42d3e18cd8 Mon Sep 17 00:00:00 2001
From: fallenoak <git@fallenoak.me>
Date: Thu, 5 Feb 2026 07:05:28 -0600
Subject: [PATCH] feat(ui): add CSimpleStatusBar::OnLayerUpdate

---
 src/ui/simple/CSimpleStatusBar.cpp | 50 ++++++++++++++++++++++++++++++
 src/ui/simple/CSimpleStatusBar.hpp |  3 ++
 2 files changed, 53 insertions(+)

diff --git a/src/ui/simple/CSimpleStatusBar.cpp b/src/ui/simple/CSimpleStatusBar.cpp
index e5c3f20..c3c0d28 100644
--- a/src/ui/simple/CSimpleStatusBar.cpp
+++ b/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;
diff --git a/src/ui/simple/CSimpleStatusBar.hpp b/src/ui/simple/CSimpleStatusBar.hpp
index 203f6a4..0a81141 100644
--- a/src/ui/simple/CSimpleStatusBar.hpp
+++ b/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;