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Question by DaresFireson · May 09, 2019 at 08:22 PM · c#listdebuglistscount

List give a count of zero when it have 1 element

Like this photo show alt text

the list is showing Count zero when is clear that it have 1 element in it. I have the script execution order set before the script that it call the list count.

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avatar image L33T_Rakshasa · May 09, 2019 at 07:23 PM 0
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Could you provide your code? It's hard to diagnose without seeing how you are trying to do it.

avatar image DaresFireson L33T_Rakshasa · May 09, 2019 at 07:52 PM 0
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Here is where I add the elements to the list

 Pellet ghostHouse1 = GameObject.Find("Pellets/23_ghost_house_empty1(Clone)").GetComponent<Pellet>();
         Pellet ghostHouse2 = GameObject.Find("Pellets/24_ghost_house_empty2(Clone)").GetComponent<Pellet>();
         Pellet ghostHouse3 = GameObject.Find("Pellets/25_ghost_house_empty3(Clone)").GetComponent<Pellet>();
 
         Pellet ghostHouseNeighbour1 = GameObject.Find("Pellets/26_ghost_house_neighbour1_empty(Clone)").GetComponent<Pellet>();
         Pellet ghostHouseNeighbour2 = GameObject.Find("Pellets/27_ghost_house_neighbour2_empty(Clone)").GetComponent<Pellet>();
         Pellet ghostHouseNeighbour3 = GameObject.Find("Pellets/28_ghost_house_neighbour3_empty(Clone)").GetComponent<Pellet>();
 
         if(this.name == "23_ghost_house_empty1(Clone)")
         {
             if(ghostHouse1 != null && ghostHouseNeighbour1 != null)
             {
                 neighbours.Clear();
                 neighbours.Add(ghostHouseNeighbour1);
                 validDirections.Clear();
                 Vector2 vec = ghostHouseNeighbour1.transform.localPosition - transform.localPosition;
                 vec = vec.normalized;
                 validDirections.Add(vec);
             }
         }
 
         if (this.name == "24_ghost_house_empty2(Clone)")
         {
             if (ghostHouse2 != null && ghostHouseNeighbour2 != null)
             {
                 neighbours.Clear();
                 neighbours.Add(ghostHouseNeighbour2);
                 validDirections.Clear();
                 Vector2 vec = ghostHouseNeighbour2.transform.localPosition - transform.localPosition;
                 vec = vec.normalized;
                 validDirections.Add(vec);
             }
         }
 
         if (this.name == "25_ghost_house_empty3(Clone)")
         {
             if (ghostHouse3 != null && ghostHouseNeighbour3 != null)
             {
                 neighbours.Clear();
                 neighbours.Add(ghostHouseNeighbour3);
                 validDirections.Clear();
                 Vector2 vec = ghostHouseNeighbour3.transform.localPosition - transform.localPosition;
                 vec = vec.normalized;
                 validDirections.Add(vec);
             }
         }


and here is where I need the list element

 if(isInGhostHouse)
         {
             direction = Vector2.up;
             targetPellet = currentPellet.neighbours[0];
             Debug.Log(currentPellet.neighbours[0]);
             startingPosition = currentPellet;
             //Debug.Log(startingPosition);
         }
         else
         {
             direction = Vector2.left;
             targetPellet = ChoseNextPellet();
         }

but as seen in the picture it have 1 element whule Debug.Log say Count = 0

avatar image tormentoarmagedoom · May 10, 2019 at 12:03 AM 0
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Hello.

First, use of GameObject.Find() spends a los of resources. try to use more often GameObject.FindObjectWithTag().

Second, if you are sure the array its suposed to read have more than 0 elements; Or you are not reading the correct list, or you change the number of the elements of the list before reading.

avatar image DaresFireson tormentoarmagedoom · May 10, 2019 at 07:11 AM 0
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as it show in inspector it have 1 element and I don't change any elements in the list between adding and reading. how can I not read the correct list ?

avatar image tormentoarmagedoom DaresFireson · May 10, 2019 at 07:34 AM 0
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"how can I not read the correct list ? "

I mean maybe you make a mistake writing the code and not selected the correct object or list. Or list is not genereted when you read it.

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Answer by DaresFireson · May 10, 2019 at 07:31 AM

I am creating my map from a file and I moved the map creation in the Awake function and it work. it seems that script execution order didn't help this time.

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