using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using VBXSE;

namespace SnakeRPG
{
    public class Map
    {
        public string[,] neighbors = new string[3, 3];
        public Tile[,] tiles = new Tile[Main.MAP_WIDTH, Main.MAP_HEIGHT];
        public List<Entity> entities = new List<Entity>();
        public string filename = "";
        public string music = "";

        public void Destroy()
        {
            for (int i = 0; i < entities.Count; i++)
            {
                Entity entity = entities[i];
                SpriteEngine.EraseGObject(entity.sprite);
                SpriteEngine.EraseGObject(entity.underSprite);
                entity.sprite = null;
                entity.underSprite = null;
                entities[i] = null;
            }

            entities.Clear();

            for (int iy = 0; iy < Main.MAP_HEIGHT; iy++)
            {
                for (int ix = 0; ix < Main.MAP_WIDTH; ix++)
                {
                    SpriteEngine.EraseGObject(tiles[ix, iy].sprite);
                    tiles[ix, iy] = null;
                }
            }
        }

        public void Relocate(int newOffsetX, int newOffsetY)
        {
            for (int i = 0; i < entities.Count; i++)
            {
                Entity entity = entities[i];
                entity.SetOffsets(newOffsetX, newOffsetY);
                entity.SetPosition(entity.x, entity.y);
            }

            for (int iy = 0; iy < Main.MAP_HEIGHT; iy++)
            {
                for (int ix = 0; ix < Main.MAP_WIDTH; ix++)
                {
                    Tile tile = tiles[ix, iy];
                    tile.sprite.SetPosition(ix * Main.SPRITE_WIDTH + newOffsetX * Main.MAP_WIDTH * Main.SPRITE_WIDTH, iy * Main.SPRITE_HEIGHT + newOffsetY * Main.MAP_HEIGHT * Main.SPRITE_HEIGHT);
                }
            }
        }
    }
}