feat: show/hide model visual NPC.

Assets/PerfectWorld/Scripts/NPC/CECNPC.cs

@@ -54,6 +54,8 @@ public class CECNPC : CECObject
     [SerializeField] protected bool isDebug;
     [SerializeField] protected NPCVisual npcVisual;
     GameObject m_modelVisual = null;
+    float m_fDistShowModelVisual = 25f; // Display distance model NPC
+    float m_fDistHideModelVisual = 40f; // Hide/display distance model NPC
 
     protected static CECStringTab m_ActionNames;
     /*    public string NameNPC => m_strName;
@@ -507,6 +509,18 @@ public class CECNPC : CECObject
         {
             m_fDistToHost = CalcDist(pHost.GetPos(), true);
             m_fDistToHostH = CalcDist(pHost.GetPos(), false);
+
+            if(m_modelVisual != null)
+            {
+                if(m_fDistToHostH < m_fDistShowModelVisual)
+                {
+                    m_modelVisual.SetActive(true);
+                }
+                else if(m_fDistToHostH > m_fDistHideModelVisual)
+                {
+                    m_modelVisual.SetActive(false);
+                }
+            }
         }
 
         if (IsDisappearing())
@@ -1759,6 +1773,7 @@ public class CECNPC : CECObject
         CECModel model = GetModel();
         return model?.GetHook(hookName, recursive);
     }
+
     public enum BubbleTextType
     {
         BUBBLE_DAMAGE = 0,