using System;
using System.Collections.Generic;
using CIGEnums;
using SUISSEngine;
using UnityEngine;

public class CIGDisasterManager : MonoBehaviour
{
	protected void Start()
	{
		base.Invoke("AddSprites", 5f);
	}

	public void AddSprites()
	{
		int num = 0;
		for (int i = 0; i < this.grid.Size.u; i++)
		{
			for (int j = 0; j < this.grid.Size.v; j++)
			{
				bool index = this.getElementType(i - 1, j - 1) == (int)this.elementType;
				bool index2 = this.getElementType(i, j - 1) == (int)this.elementType;
				bool index3 = this.getElementType(i - 1, j) == (int)this.elementType;
				bool index4 = this.getElementType(i, j) == (int)this.elementType;
				int spriteNumber = this.GetSpriteNumber(index, index2, index3, index4);
				if (spriteNumber > 0)
				{
					GridTile gridTile;
					if (num < this.tiles.Count)
					{
						gridTile = this.tiles[num++];
						gridTile.gameObject.SetActive(true);
					}
					else
					{
						GameObject gameObject = UnityEngine.Object.Instantiate<GameObject>(this.prefab);
						gridTile = gameObject.GetComponent<GridTile>();
						this.tiles.Add(gridTile);
						num++;
					}
					SpriteRenderer component = gridTile.GetComponent<SpriteRenderer>();
					component.sprite = this.sprites[spriteNumber];
					gridTile.transform.parent = this.grid.transform;
					gridTile.index = new GridIndex(i, j);
					gridTile.UpdateTransform();
				}
			}
		}
	}

	public void RemoveSprites()
	{
		foreach (GridTile gridTile in this.tiles)
		{
			gridTile.gameObject.SetActive(false);
			gridTile.transform.parent = base.transform;
		}
	}

	private int GetSpriteNumber(bool index1, bool index2, bool index3, bool index4)
	{
		int num = 0;
		if (index4)
		{
			num += 8;
		}
		if (index3)
		{
			num += 2;
		}
		if (index2)
		{
			num += 4;
		}
		if (index1)
		{
			num++;
		}
		return num;
	}

	private int getElementType(int u, int v)
	{
		if (u >= 0 && u < this.grid.Size.u && v >= 0 && v < this.grid.Size.v)
		{
			return this.grid[u, v].Type;
		}
		return 0;
	}

	[SelfReference]
	public IsometricGrid grid;

	public SurfaceType elementType;

	public GameObject prefab;

	public Sprite[] sprites;

	protected List<GridTile> tiles = new List<GridTile>();
}