96 lines
2.6 KiB
C#
96 lines
2.6 KiB
C#
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using System;
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using System.Collections;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using Quadtree;
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using Quadtree.Items;
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using UnityEngine;
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using UnityEngine.Pool;
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namespace BITKit.OpenWorld
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{
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[Serializable]
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public struct UnityWorldChunkSingleton:IChunkService
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{
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public void Register(IWorldChunkObject obj)=>UnityWorldChunkService.Register(obj);
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public void Unregister(IWorldChunkObject obj)=>UnityWorldChunkService.Unregister(obj);
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}
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public class UnityWorldChunkService : MonoBehaviour
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{
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[RuntimeInitializeOnLoadMethod]
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private static void Reload()
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{
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_registerQueue.Clear();
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_unregisterQueue.Clear();
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}
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private static readonly ConcurrentQueue<IWorldChunkObject> _registerQueue = new();
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private static readonly ConcurrentQueue<IWorldChunkObject> _unregisterQueue = new();
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public static void Register(IWorldChunkObject obj)=>_registerQueue.Enqueue(obj);
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public static void Unregister(IWorldChunkObject obj)=>_unregisterQueue.Enqueue(obj);
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private QuadtreeRoot<IWorldChunkObject, Node<IWorldChunkObject>> _quadtree;
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[SerializeReference, SubclassSelector] private ITicker ticker;
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[SerializeField,ReadOnly] private int count;
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[SerializeField,Range(0,128)] private int[] lodDistances;
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[SerializeField] private Vector3 size;
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private Camera _camera;
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private readonly HashSet<int> cacheList = new();
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private void Start()
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{
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ticker.Add(OnTick);
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destroyCancellationToken.Register(Dispose);
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_quadtree = new QuadtreeRoot<IWorldChunkObject, Node<IWorldChunkObject>>(default,size);
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_camera = Camera.main;
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}
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private void Dispose()
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{
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ticker.Remove(OnTick);
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Reload();
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}
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private void OnTick(float deltaTime)
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{
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while (_unregisterQueue.TryDequeue(out var obj))
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{
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_quadtree.Remove(obj);
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}
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while (_registerQueue.TryDequeue(out var obj))
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{
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obj.Id = count++;
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_quadtree.Insert(obj);
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}
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var cameraPosition = _camera.transform.position;
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for (var index = 0; index < lodDistances.Length; index++)
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{
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var distance = lodDistances[index];
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foreach (var chunkObject in _quadtree.Find(new Bounds(cameraPosition, Vector3.one * distance)))
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{
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if (cacheList.Contains(chunkObject.Id)) continue;
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cacheList.Add(chunkObject.Id);
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var lod = chunkObject.Lod;
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if (lod == index) continue;
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chunkObject.Lod = index;
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}
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}
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cacheList.Clear();
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}
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private void OnDrawGizmosSelected()
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{
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var pos = transform.position;
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// pos.x-=size.x/2;
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// pos.y-=size.y/2;
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// pos.z-=size.z/2;
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Gizmos.DrawWireCube(pos, size);
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}
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}
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}
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