gistfile1.txt

using UnityEngine;
using UnityEditor;
/// <summary>
/// Zone data asset which can be created by the designer
/// </summary>
public class ZoneDataAsset
{
    [MenuItem("Assets/Create/Zone")]
    public static void Create()
    {
        Zone asset = ScriptableObject.CreateInstance<Zone>();
        AssetDatabase.CreateAsset(asset, "Assets/Resources/Settings/Zones/NewZone.asset");
        AssetDatabase.SaveAssets();
        EditorUtility.FocusProjectWindow();
        Selection.activeObject = asset;
    }
}

using System;
using UnityEngine;

public class ZoneManager : MonoBehaviour {
    public int CurrentZoneIdex;
    private Zone[] _zones;
    private bool _loopingZone;
    public Zone CurrentZone { get; private set; }

    // Use this for initialization
    private void Start() {
        _zones = Resources.LoadAll<Zone>("Settings/Zones");
        CurrentZone = _zones[0];
        ValidateSpawnPercentage();
    }

    public Zone GetNextZone() {
        if (_loopingZone) {
            return _zones[0];
        }
        if (CurrentZoneIdex < _zones.Length - 1) {
            return _zones[GetCurrentZoneIndex() + 1];
        }
        return _zones[GetCurrentZoneIndex()];
    }

    public int GetCurrentZoneIndex() {
        CurrentZoneIdex = Array.IndexOf(_zones, CurrentZone);
        return CurrentZoneIdex;
    }

    public void SwitchCurrentZone() {
        CurrentZone = GetNextZone();
    }

    public Zone GetCurrentZone() {
        return CurrentZone;
    }

    public void SetLoopZone(bool loop) {
        _loopingZone = loop;
    }


    public void ValidateSpawnPercentage() {
        //    foreach(Zone zone in Zones)
        //    {
        //        int TotalSpawnPercentage = 0;
        //        foreach(BlockData data in zone.SpawnableBlocks)
        //        {
        //            TotalSpawnPercentage += data.SpawnPercentage;
        //        }
        //        if(TotalSpawnPercentage != 100)
        //        {
        //            Debug.LogError("Total spawning percentage does not == 100% in zone: " + zone.ZoneName);
        //        }
        //    }
    }
}

///
/// In the level generation manager
///  _zonemanager.SwitchCurrentZone() is called once all the rows have been spawned
///
private void SpawnRow(int height) {
        GameManager.Instance.BlockPool.LowestRow = height;
        if (height >= _gridHeight) {
            _zonemanager.SwitchCurrentZone();
            PrepareGrid(height);
        }
        for (int j = 0; j < _cellMap.GetLength(0); j++) {
            Grid.Add(new TileSpawnPos(new Vector2(j * 0.5f + _startpos.x, _startpos.y - height),
                Quaternion.Euler(0, 0, j % 2 == 0 ? 0 : 180), (EBlockTypes) _cellMap[j, _cellIndex]));
        }
        _cellIndex += 1;
        if (_cellMap.GetLength(1) - 1 < _cellIndex) {
            _cellMap = _levelGenerator.GenerateMap();
            _cellIndex = 0;
        }

        Grid.ForEach(b => GameManager.Instance.BlockPool.SpawnBlock(b.Position, b.Rotation, b.Type));
        Grid.Clear();
    }