Merge pull request 'Show/hide model visual NPC.' (#421) from feature/HP_move_when_load_terrain_lit into develop

Reviewed-on: https://git.pthub.vn/Unity/perfect-world-unity/pulls/421

Assets/PerfectWorld/Scripts/NPC/CECNPC.cs

@@ -66,6 +66,8 @@ 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;
@@ -633,6 +635,18 @@ 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())
@@ -1890,6 +1904,7 @@ public class CECNPC : CECObject
         CECModel model = GetModel();
         return model?.GetHook(hookName, recursive);
     }
+
     public enum BubbleTextType
     {
         BUBBLE_DAMAGE = 0,