using CommonAI.Data;
using CommonAI.RTS;
using CommonAI.RTS.Manhattan;
using CommonAI.Zone;
using CommonAI.Zone.Helper;
using CommonLang;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using static CommonAI.RTS.Manhattan.AstarManhattan;
using static CommonAI.RTS.Manhattan.AstarManhattan.MSpaceAStar;
//using System.Threading.Tasks;

namespace CommonAI.ZoneServer.JSGModule
{
	class MSpaceNodeCache
	{
		public class MSpaceNodeItem
		{
			public MSpaceNode[,] data;

			public void Clone(MSpaceNodeItem cacheItem, MSpaceMap map, SpaceDivision space)
			{
				int XCount = data.GetLength(0);
				int YCount = data.GetLength(1);				

				for (int cx = 0; cx < XCount; cx++)
				{
					for (int cy = 0; cy < YCount; cy++)
					{
						this.data[cx, cy] = new MSpaceNode(map, space.GetSpaceCellNodeByBlock(cx, cy));
					}
				}

				for (int cx = 0; cx < space.SpaceXCount; cx++)
				{
					for (int cy = 0; cy < space.SpaceYCount; cy++)
					{
						this.data[cx, cy].Clone(cacheItem.data[cx, cy]);
					}
				}
			}
		}

		private static readonly HashMap<int, MSpaceAStar> mCacheAstar = new HashMap<int, MSpaceAStar>();

		/** 获取缓存中的Astart节点数据，如果不想使用缓存sceneID=0 */
		public static MSpaceAStar GetCacheAStart(int uniqueID, AstarManhattan map, int space_size)
		{
			if (uniqueID <= 0)
			{
				return new MSpaceAStar(uniqueID, map, space_size);
			}
			else
			{
				MSpaceAStar cacheItem = mCacheAstar.Get(uniqueID);
				if (cacheItem == null)
				{
					cacheItem = new MSpaceAStar(uniqueID, map, space_size);
					mCacheAstar.Put(uniqueID, cacheItem);
				}

				return cacheItem;
			}
		}
	}
}