Handle HardObstacle solving by player

Assets/Scripts/Events/HardObstacle.cs

@@ -7,12 +7,26 @@ using UnityEngine.AI;
 [RequireComponent(typeof(Animator))]
 [RequireComponent(typeof(Collider2D))]
 [RequireComponent(typeof(NavMeshObstacle))]
-public class HardObstacle : MonoBehaviour
+public class HardObstacle : MonoBehaviour, IUsable
 {
     [SerializeField]
     float lifeTime= -1.0f, waitTime= 30.0f; //Time active/waiting before self-destruct (Negative value to prevent self-destruct)
     float lifeTimer;
 
+    [SerializeField]
+    UITimer UIStopTimer = null; //Script of the UI display
+    [SerializeField]
+    float stopTime=1.0f; //Time to stop fight by tavernkeeper
+    float stopTimer=0.0f;
+    bool playerInteracting = false; //Wether the player is interacting w/ the workshop
+    float interactionCd = 0.0f; //Time to consider the interaction stopped
+    [SerializeField]
+    float interactionSmoothing = 0.0f; //% of action_cd added to the interaction CD for smooth continued interaction
+    protected float cdTimer = 0.0f;
+
+    SpriteRenderer user_renderer = null; //Sprite renderer of the user (to turn insvisible)
+    
+
     List<Client_controller> angryClients = new List<Client_controller>(); //Clients in the fight
 
     Collider2D ObsCollider;
@@ -20,11 +34,53 @@ public class HardObstacle : MonoBehaviour
     // SpriteRenderer ObsRenderer;
     Animator animator;
 
-    bool gameRunning = true;
+    bool gameRunning = true; //Wehter the game is running (for clean-up purpose)
 
+    //Handle objects interactions w/ obstacle
+    //Return wether the object is taken from tavernkeeper
+    public bool use(GameObject userObject)
+    {
+        //Handle continuous interaction w/ tavernkeeper
+        if(userObject.tag=="Player")
+        {
+            if(stopTimer<stopTime) //Continue to stop fight
+            {
+                Debug.Log(gameObject.name+" still used by "+userObject.name);
+                if(interactionCd<0.01f) //No interaction CD ?
+                {
+                    user_renderer = userObject.GetComponent<SpriteRenderer>(); //Renderer for visual effects
+
+                    //Reset interaction CD
+                    Tavernkeeper_controller player = userObject.GetComponent<Tavernkeeper_controller>();
+                    if(player != null)
+                        interactionCd=player.action_cd*(1.0f+interactionSmoothing); //=action_cd+ interactionSmoothing(%) action_cd (for smooth continued interaction)
+                    else
+                        Debug.LogWarning(userObject.name+" cannot have a continuous interaction on "+gameObject.name);
+                }
+                playerInteracting = true; //Set interaction indicator
+                cdTimer = interactionCd; //Reset Interaction CD
+
+                //Visual effect (user disappear)
+                if(user_renderer != null)
+                        user_renderer.color=Color.clear;
+            }
+            else //Fight stopped
+                Destroy(gameObject);
+        }
+        return false; //No object taken
+    }
+        
     // Start is called before the first frame update
     void Start()
     {
+        if(gameObject.layer != LayerMask.NameToLayer("Interactions"))
+            Debug.LogWarning(gameObject.name+" layer should be set to 'Interactions' to work properly");
+        if(gameObject.tag != "Usable")
+            Debug.LogWarning(gameObject.name+" tag should be set to 'Usable' to work properly");
+        if(UIStopTimer is null)
+            Debug.LogWarning(gameObject.name+" doesn't have a UIStopTimer set");
+
+
         lifeTimer=waitTime; //Start by waiting client
         
         ObsCollider = GetComponent<Collider2D>();
@@ -39,10 +95,34 @@ public class HardObstacle : MonoBehaviour
     // Update is called once per frame
     void Update()
     {
+        //Life time update
         lifeTimer -= Time.deltaTime;
         if(lifeTimer<0)
             Destroy(gameObject);
 
+        //Player interactions update
+        if(user_renderer != null && !playerInteracting)
+            user_renderer.color=Color.white; //User reappear if there's one
+        if(playerInteracting)
+        {
+            //Continue stopping fight
+            if(stopTimer<stopTime)
+                stopTimer+=Time.deltaTime;
+
+            //Update interaction CD
+            cdTimer-=Time.deltaTime;
+            if (cdTimer<0)
+                playerInteracting=false; //Reset interaction indicator 
+        }
+        else if(stopTimer>0) //Decrease fight stopping jauge if not interacting
+            stopTimer-=Time.deltaTime*0.5f;
+        
+        //UI update
+        if(UIStopTimer != null)
+        {
+            UIStopTimer.SetValue(stopTimer/stopTime);
+            UIStopTimer.gameObject.SetActive(stopTimer>0); //Set active if timer>0
+        }
     }
 
     void OnTriggerEnter2D(Collider2D other)
@@ -76,11 +156,16 @@ public class HardObstacle : MonoBehaviour
     void OnDestroy()
     {
         if(gameRunning) //Only apply if game is still running
+        {
             foreach(Client_controller client in angryClients) //Clients return to their previous behavior
             {
                 client.gameObject.SetActive(true);
                 client.assignToEvent(); //Restore previous behavior
             }
+
+            if(user_renderer != null) //User reappear if there's one
+                    user_renderer.color=Color.white;
+        }
             
         EventManager.Instance.removeEvent(gameObject);
     }