121 lines
4.3 KiB
C#
121 lines
4.3 KiB
C#
using System;
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using System.Collections.Generic;
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using ColdMint.scripts.debug;
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using ColdMint.scripts.map.dateBean;
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using ColdMint.scripts.map.interfaces;
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using ColdMint.scripts.utils;
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using Godot;
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namespace ColdMint.scripts.map.room;
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/// <summary>
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/// <para>Room</para>
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/// <para>房间模板</para>
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/// </summary>
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/// <remarks>
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///<para>The room template is like a jigsaw puzzle and participates in the map building process.</para>
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///<para>房间模板就像一个拼图，参与到地图的构建过程中。</para>
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/// </remarks>
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public class Room : IRoom
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{
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private Node2D? _rootNode;
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private RoomSlot?[]? _roomSlots;
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private TileMap? _tileMap;
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public PackedScene? RoomScene
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{
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get => default;
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set => AnalyzeRoomData(value);
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}
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public TileMap? TileMap
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{
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get => _tileMap;
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set => _tileMap = value;
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}
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/// <summary>
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/// <para>Analyze the data of the room</para>
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/// <para>解析房间的数据</para>
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/// </summary>
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/// <param name="packedScene"></param>
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private void AnalyzeRoomData(PackedScene? packedScene)
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{
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var node = packedScene?.Instantiate();
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if (node is not Node2D node2D)
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{
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//房间节点不是Node2D类型，抛出异常
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LogCat.LogError("room_root_node_must_be_node2d");
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return;
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}
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_rootNode = node2D;
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_tileMap = node2D.GetNode<TileMap>("TileMap");
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_roomSlots = GetRoomSlots(_tileMap, node2D.GetNode<Area2D>("RoomArea"),
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node2D.GetNode<Node2D>("RoomSlotList"));
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}
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public Node2D? RootNode => _rootNode;
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public RoomSlot?[]? RoomSlots => _roomSlots;
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/// <summary>
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/// <para>GetRoomSlots</para>
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/// <para>在房间内获取所有插槽</para>
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/// </summary>
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/// <param name="tileMap"></param>
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/// <param name="roomArea2D"></param>
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/// <param name="slotList"></param>
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/// <returns></returns>
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private RoomSlot?[]? GetRoomSlots(TileMap? tileMap, Area2D roomArea2D, Node2D slotList)
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{
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if (tileMap == null)
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{
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return null;
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}
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var slotCount = slotList.GetChildCount();
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if (slotCount == 0)
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{
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return null;
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}
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//region 我们计算房间的中点
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var roomAreaCollisionShape2D = roomArea2D.GetChild<CollisionShape2D>(0);
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var roomAreaRect2 = roomAreaCollisionShape2D.Shape.GetRect();
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var midpoint = roomAreaCollisionShape2D.Position + roomAreaRect2.Position + roomAreaRect2.Size / 2;
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//endregion
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var roomSlots = new List<RoomSlot>();
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for (int i = 0; i < slotCount; i++)
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{
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//拿到了房间卡槽对象
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var area2D = slotList.GetChild<Area2D>(i);
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var collisionShape2D = area2D.GetChild<CollisionShape2D>(0);
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var rect2 = collisionShape2D.Shape.GetRect();
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//将碰撞体的尺寸四舍五入到瓦片尺寸例如：碰撞体尺寸44，转为瓦片尺寸为 44/32=1.375 四舍五入为1
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var intSize = new Vector2I((int)Math.Round(rect2.Size.X / Config.CellSize),
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(int)Math.Round(rect2.Size.Y / Config.CellSize));
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if (intSize.X > 1 && intSize.Y > 1)
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{
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LogCat.LogError("width_or_height_of_room_slot_must_be_1");
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continue;
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}
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//获取槽位的绝对位置
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var startPosition = area2D.Position + collisionShape2D.Position + rect2.Position;
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var endPosition = area2D.Position + collisionShape2D.Position + rect2.Position + rect2.Size;
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var midpointOfRoomSlots = area2D.Position + collisionShape2D.Position + rect2.Position + rect2.Size / 2;
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//转为瓦片地图的坐标(中点)
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var tileMapStartPosition = tileMap.LocalToMap(startPosition);
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var tileMapEndPosition = tileMap.LocalToMap(endPosition);
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var roomSlot = new RoomSlot();
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roomSlot.EndPosition = tileMapEndPosition;
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roomSlot.StartPosition = tileMapStartPosition;
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//计算槽位的方向(房间中点为原点，指向槽位中点的向量)
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roomSlot.DistanceToMidpointOfRoom = CoordinateUtils.VectorToOrientationArray(midpoint, midpointOfRoomSlots);
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roomSlots.Add(roomSlot);
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}
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return roomSlots.ToArray();
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}
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} |