perf: Improve slider performance

Author: jcs090218

Assets/JCSUnity/Scripts/UI/Slider/JCS_SliderTextDisplay.cs

@@ -38,11 +38,29 @@ public class JCS_SliderTextDisplay : JCS_TextObject
 
         /* Functions */
 
-        private void Update()
+        private void Awake()
+        {
+            AddListener();
+        }
+
+        private void OnValidate()
+        {
+            AddListener();
+        }
+
+        private void AddListener()
         {
             if (mSlider == null)
                 return;
 
+            mSlider.onValueChanged.AddListener(delegate { OnValueChanged(); });
+
+            // Call once.
+            OnValueChanged();
+        }
+
+        private void OnValueChanged()
+        {
             double val = Math.Round(mSlider.value, mRoundPlace);
 
             this.text = val.ToString();

Assets/JCSUnity/Scripts/UI/Slider/JCS_SoundSlider.cs

@@ -40,7 +40,31 @@ private void Awake()
             this.mSlider = this.GetComponent<Slider>();
         }
 
-        private void LateUpdate()
+        private void Start()
+        {
+            AddListener();
+        }
+
+        private void OnValidate()
+        {
+            AddListener();
+        }
+
+        private void AddListener()
+        {
+            if (mSlider == null)
+                return;
+
+            // First, initialize to keep the settings untouched.
+            mSlider.value = JCS_SoundSettings.instance.GetVolume(mSoundType);
+
+            mSlider.onValueChanged.AddListener(delegate { OnValueChanged(); });
+
+            // Call once.
+            OnValueChanged();
+        }
+
+        private void OnValueChanged()
         {
             var sm = JCS_SceneManager.instance;
 

Assets/JCSUnity/Scripts/UI/Slider/JCS_TimeScaleSlider.cs

@@ -28,9 +28,27 @@ public class JCS_TimeScaleSlider : MonoBehaviour
         private void Awake()
         {
             this.mSlider = this.GetComponent<Slider>();
+
+            AddListener();
+        }
+
+        private void OnValidate()
+        {
+            AddListener();
+        }
+
+        private void AddListener()
+        {
+            if (mSlider == null)
+                return;
+
+            mSlider.onValueChanged.AddListener(delegate { OnValueChanged(); });
+
+            // Call once.
+            OnValueChanged();
         }
 
-        private void Update()
+        private void OnValueChanged()
         {
             Time.timeScale = mSlider.value;
         }