sked/Assets/Script/Map/MapBlockShop.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class MapBlockShop : MonoBehaviour
{
    [Space(10)]
    public int productCnt = 3;
    public int productTierMin = 0;
    public int productTierMax = 999;
    List<DropItem> shopItems = new List<DropItem>();
    public void OnInitialized(MapBlock map, System.Action<GameObject, DropItem> OnGain)
    {
        productCnt = map.manager.floorData.productCnt;
        productTierMin = map.manager.floorData.productTierMin;
        productTierMax = map.manager.floorData.productTierMax;

        shopItems.Clear();

        for (int i = 0; i < productCnt; i++)
        {
            ItemData rewardData = map.manager.DuplicateItemCheck(map.manager.items_All, productTierMin, productTierMax, null, false);
            if (rewardData == null)
                break;

            DropItem item = map.manager.ObjectCreateLocalPos(map.prefabRewardDropItem.gameObject, transform, Vector3.one, map.rewardPos).GetComponent<DropItem>();
            item.item = ItemData.Copy(rewardData, 1);
            item.OnGain = OnGain;
            item.OnInitialized(true);

            map.dropItems.Add(item);

            shopItems.Add(item);
        }

        Vector3 posStart = map.rewardPos;
        float interval = 2f;
        int x = shopItems.Count < 3 ? shopItems.Count : 3;
        if (0 < x)
            posStart.x = posStart.x - (interval * (x - 1) / 2f);
        int z = shopItems.Count < 3 ? 0 : Mathf.CeilToInt(shopItems.Count / 3f);
        if (0 < z)
            posStart.z = posStart.z - (interval * (z - 1) / 2f);

        Vector3 pos = Vector3.zero;
        for (int i = 0; i < shopItems.Count; i++)
        {
            pos.x = posStart.x + (interval * (i % 3));
            pos.z = posStart.z + (interval * (i / 3));
            shopItems[i].transform.localPosition = pos;
        }
    }
}