72 lines
2.5 KiB
C#
72 lines
2.5 KiB
C#
using System.Threading.Tasks;
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using ColdMint.scripts.map.dateBean;
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using ColdMint.scripts.map.interfaces;
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using Godot;
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using static ColdMint.scripts.Config;
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namespace ColdMint.scripts.map.RoomPlacer;
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public class RoomPlacer : RoomPlacerTemplate
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{
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public IMapGeneratorConfig? MapGeneratorConfig { get; set; }
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private readonly Vector2 _halfCell = new Vector2(CellSize / 2f, CellSize / 2f);
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public override Task<bool> PlaceRoom(Vector2 position, IRoom room)
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{
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if (MapGeneratorConfig == null)
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{
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return Task.FromResult(false);
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}
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var node = room.RootNode;
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MapGeneratorConfig.MapRoot.AddChild(node);
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if (node is { } node2D)
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{
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//If the Node is not empty and is a 2D node.
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//如果Node不是空的，且是2D节点。
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node2D.Position = position;
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return Task.FromResult(true);
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}
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return Task.FromResult(false);
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}
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public override Task<Vector2> CalculatedPosition(IRoom mainRoom, IRoom newRoom, RoomSlot? mainRoomSlot,
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RoomSlot? newRoomSlot,
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RoomPlacerConfig roomPlacerConfig)
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{
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if (mainRoom.RootNode == null || mainRoom.TileMap == null || newRoom.TileMap == null || mainRoomSlot == null ||
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newRoomSlot == null)
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{
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return Task.FromResult(Vector2.Zero);
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}
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//计算主插槽中点在世界中的位置。
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//mainRoom.RootNode.Position意为房间所在的世界位置
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//mainRoom.TileMap.MapToLocal(mainRoomSlot.StartPosition)意为主插槽在房间中的位置
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var result = mainRoom.RootNode.Position + mainRoom.TileMap.MapToLocal(mainRoomSlot.StartPosition);
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if (roomPlacerConfig.RoomSlotOverlap)
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{
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//执行减法，从槽中点偏移到左上角
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result -= _halfCell;
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}
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else
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{
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//执行减法，从槽中点偏移到右下角
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result += _halfCell;
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}
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//我们不能将新房间的原点设置在主房间槽的左上角或右下角，这会导致插槽不对应。
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//竖直槽，我们需要在同一水平上。
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if (mainRoomSlot.IsHorizontal)
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{
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result += newRoom.TileMap.MapToLocal(new Vector2I(newRoomSlot.EndPosition.X, 0)) - _halfCell;
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}
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else
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{
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result -= newRoom.TileMap.MapToLocal(new Vector2I(0, newRoomSlot.EndPosition.Y)) - _halfCell;
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}
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return Task.FromResult(result);
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}
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} |