442 lines
14 KiB
C#
442 lines
14 KiB
C#
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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using Games.Scene;
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using UnityEditor;
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using UnityEditor.SceneManagement;
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using UnityEngine;
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using UnityEngine.AI;
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using UnityEngine.SceneManagement;
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public class ServerPathNodeGenerator : EditorWindow
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{
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private MaterialPropertyBlock _materialProperty;
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private const float _defaultLinkLength = 6f;
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private float linkLengthSqr
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{
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get { return _linkLength > 0 ? _linkLength * _linkLength : float.PositiveInfinity; }
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}
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private const string _scenePathNodeDir = "/../../Public/ServerRun/Scene/";
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private const string _line2Text = "#MAX_ID=4999;MAX_RECORD=5000;TableType=Hash;";
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private const string _distanceKey = "ServerPathNodeIDist";
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private const string _sphereRootName = "ServerPathNode";
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private const float _navMeshOffsetMax = 1f;
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private const float _navMeshSampleDist = 2f;
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private Scene _currentScene;
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private List<MyTuple<Transform, Transform>> _links;
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private Vector2 _pointPos;
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private Vector2 _scrollViewPoint;
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private bool _pointError;
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private FloatSetting _linkLength;
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private Material _material;
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private Transform _root;
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[MenuItem("Scene/生成服务器寻路点")]
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public static void ShowEditorWindow()
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{
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GetWindow<ServerPathNodeGenerator>();
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}
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private void Awake()
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{
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SceneManager.sceneUnloaded += OnSceneUnloaded;
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SceneView.onSceneGUIDelegate += OnSceneGui;
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_linkLength = new FloatSetting(_distanceKey, _defaultLinkLength);
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_material = new Material(Shader.Find("Unlit/Color"));
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_materialProperty = new MaterialPropertyBlock();
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OnSceneChange();
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}
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private void OnDestroy()
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{
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if (_material != null)
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DestroyImmediate(_material);
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if (_root != null)
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DestroyImmediate(_root.gameObject);
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SceneManager.sceneUnloaded -= OnSceneUnloaded;
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SceneView.onSceneGUIDelegate -= OnSceneGui;
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}
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private void OnGUI()
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{
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// Add Points
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_pointPos = EditorGUILayout.Vector2Field("点位置：", _pointPos, GUILayout.Width(200f));
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var linkLength = EditorGUILayout.FloatField("最大连接距离", _linkLength);
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if (linkLength != _linkLength)
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_linkLength.Set(linkLength);
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// Add Point
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GUILayout.Space(20f);
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GUILayout.Label("添加点位");
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if (GUILayout.Button("添加 于指定位置", GUILayout.Width(100f)))
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{
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if (_root != null)
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{
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var point = _pointPos.InsertY();
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CreateSphereAt(_root.childCount, point);
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}
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}
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GUILayout.Space(20f);
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if (GUILayout.Button("整理路径点"))
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{
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if (_root != null)
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{
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var sphereList = GetSphereList();
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var posList = new Vector3[sphereList.Count];
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for (var i = 0; i < posList.Length; i++)
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{
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posList[i] = sphereList[i].position;
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DestroyImmediate(sphereList[i].gameObject);
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}
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for (var i = 0; i < posList.Length; i++)
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{
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CreateSphereAt(i, posList[i]);
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}
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}
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}
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GUILayout.Space(20f);
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if (_pointError)
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EditorGUILayout.HelpBox("上次生成时，有路径点不在NavMesh上！", MessageType.Error);
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else
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GUILayout.Label("生成和保存Txt");
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if (GUILayout.Button("预览链接"))
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{
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_pointError = CheckAllPointPos();
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if (!_pointError)
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BuildLinks();
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}
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GUILayout.Space(5f);
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if (GUILayout.Button("保存为Txt"))
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{
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_pointError = CheckAllPointPos();
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if (!_pointError)
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{
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BuildLinks();
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WriteFileRecord();
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}
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}
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}
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private void OnSceneGui(SceneView sceneView)
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{
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Handles.color = Color.magenta;
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for (var i = 0; i < _links.Count; i++)
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{
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var source = _links[i].first;
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var target = _links[i].second;
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if (source != null && target != null)
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Handles.DrawLine(source.position, target.position);
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}
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}
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private void OnSceneUnloaded(Scene scene)
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{
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if (scene.buildIndex == _currentScene.buildIndex)
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OnSceneChange();
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}
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private void OnSceneChange()
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{
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_links = new List<MyTuple<Transform, Transform>>();
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_currentScene = SceneManager.GetActiveScene();
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ReadFileRecord();
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}
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private string GetFileName()
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{
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return Application.dataPath + _scenePathNodeDir + _currentScene.name + "RoadPath.txt";
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}
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private void ReadFileRecord()
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{
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var rootObj = GameObject.Find(_sphereRootName);
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if (rootObj != null)
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DestroyImmediate(rootObj);
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rootObj = new GameObject(_sphereRootName);
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_root = rootObj.transform;
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var fileName = GetFileName();
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if (File.Exists(fileName))
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{
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var lines = File.ReadAllLines(fileName);
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if (lines.Length > 4)
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{
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var pathNodeList = new List<PathNodeData>();
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var id = 0;
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for (var i = 4; i < lines.Length; i++)
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{
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var lineSuccess = false;
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var segments = lines[i].Split('\t');
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if (segments.Length > 3)
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{
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int index;
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int posX;
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int posZ;
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if (int.TryParse(segments[0], out index) &&
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int.TryParse(segments[2], out posX) &&
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int.TryParse(segments[3], out posZ))
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{
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var point = new Vector3(posX * 0.01f, 0f, posZ * 0.01f);
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var sphere = CreateSphereAt(id, point);
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MarkPointPosition(sphere);
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var pathNode = new PathNodeData() { index = index, sphere = sphere, linkTo = new List<int>()};
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pathNodeList.Add(pathNode);
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for (var j = 4; j < segments.Length; j++)
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{
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int linkTo;
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if (int.TryParse(segments[j], out linkTo) && linkTo > -1)
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pathNode.linkTo.Add(linkTo);
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else
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break;
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}
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lineSuccess = true;
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}
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id++;
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}
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if (!lineSuccess)
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Debug.LogError(string.Format("第{0}行数据读取失败，已经跳过！", i + 1));
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}
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// 重新构造链接
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for (var i = 0; i < pathNodeList.Count; i++)
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{
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var source = pathNodeList[i];
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for (var j = 0; j < source.linkTo.Count; j++)
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{
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var target = pathNodeList.Find(a => a.index == source.linkTo[j]);
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if (target != null)
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{
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if (_links.Find(a => a.first == source.sphere && a.second == target.sphere) == null &&
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_links.Find(a => a.first == target.sphere && a.second == source.sphere) == null)
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{
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_links.Add(new MyTuple<Transform, Transform>(source.sphere, target.sphere));
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}
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}
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}
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}
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}
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}
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}
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private void WriteFileRecord()
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{
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var sphereList = GetSphereList();
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var maxNodeCount = 0;
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for (var i = 0; i < sphereList.Count; i++)
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{
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var sphere = sphereList[i];
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var nodeCount = 0;
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for (var j = 0; j < _links.Count; j++)
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{
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var link = _links[j];
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if (link.first != null && link.second != null &&
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(link.first == sphere || link.second == sphere))
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nodeCount++;
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}
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maxNodeCount = Mathf.Max(maxNodeCount, nodeCount);
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}
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var builder = new StringBuilder();
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// Line 0
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builder.Append("Id");
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builder.Append('\t');
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builder.Append("Desc");
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builder.Append('\t');
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builder.Append("PosX");
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builder.Append('\t');
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builder.Append("PosZ");
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for (var i = 0; i < maxNodeCount; i++)
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{
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builder.Append('\t');
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builder.Append("Node");
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builder.Append(i + 1);
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}
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// Line 1
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builder.Append('\r');
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builder.Append("INT");
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builder.Append('\t');
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builder.Append("STRING");
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builder.Append('\t');
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builder.Append("INT");
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builder.Append('\t');
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builder.Append("INT");
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for (var i = 0; i < maxNodeCount; i++)
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{
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builder.Append('\t');
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builder.Append("INT");
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}
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// Line 2
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builder.Append('\r');
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builder.Append(_line2Text);
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// Line 3
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builder.Append('\r');
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builder.Append("#点id");
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builder.Append('\t');
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builder.Append("程序不读");
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builder.Append('\t');
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builder.Append("点位置x，100倍");
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builder.Append('\t');
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builder.Append("点位置y，100倍");
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for (var i = 0; i < maxNodeCount; i++)
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{
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builder.Append('\t');
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builder.Append("可链接的节点");
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builder.Append(i + 1);
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}
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// Data Lines
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for (var i = 0; i < sphereList.Count; i++)
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{
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var source = sphereList[i];
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builder.Append('\r');
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builder.Append(i);
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builder.Append('\t');
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builder.Append("坐标");
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builder.Append(i);
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builder.Append('\t');
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builder.Append(Mathf.RoundToInt(sphereList[i].position.x * 100f));
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builder.Append('\t');
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builder.Append(Mathf.RoundToInt(sphereList[i].position.z * 100f));
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var nodePos = 0;
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for (var j = 0; j < sphereList.Count; j++)
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{
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var target = sphereList[j];
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if (_links.Find(a =>
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a.first == source && a.second == target || a.first == target && a.second == source) != null)
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{
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builder.Append('\t');
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builder.Append(j);
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nodePos++;
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}
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}
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for (var j = nodePos; j < maxNodeCount; j++)
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{
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builder.Append('\t');
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builder.Append(-1);
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}
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}
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// Extra Line at End
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builder.Append('\r');
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var fileName = GetFileName();
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var directory = Path.GetDirectoryName(fileName);
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if (string.IsNullOrEmpty(directory))
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Debug.LogError("文件路径错误 " + fileName);
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else
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{
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if (!Directory.Exists(directory))
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Directory.CreateDirectory(directory);
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var bytes = Encoding.Default.GetBytes(builder.ToString());
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File.WriteAllBytes(fileName, bytes);
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}
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}
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private bool CheckAllPointPos()
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{
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var result = false;
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var sphereList = GetSphereList();
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for (var i = 0; i < sphereList.Count; i++)
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if (!MarkPointPosition(sphereList[i]))
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result = true;
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return result;
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}
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private bool MarkPointPosition(Transform sphere)
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{
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var source = sphere.transform.position;
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source.x = Mathf.Floor(source.x * 100f) * 0.01f;
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source.z = Mathf.Floor(source.z * 100f) * 0.01f;
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source.y = 100f;
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var ray = new Ray(source, Vector3.down);
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RaycastHit rayHit;
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if (Physics.Raycast(ray, out rayHit, 200f, ActiveScene.terrainLayMask))
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source = rayHit.point;
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else
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source.y = 0f;
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NavMeshHit navHit;
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var result = NavMesh.SamplePosition(source, out navHit, _navMeshSampleDist, NavMesh.AllAreas);
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if (result)
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{
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if ((source.RemoveY() - navHit.position.RemoveY()).sqrMagnitude > _navMeshOffsetMax.ToSquare())
|
|||
|
|
result = false;
|
|||
|
|
else
|
|||
|
|
source = navHit.position;
|
|||
|
|
}
|
|||
|
|
sphere.position = source;
|
|||
|
|
var sphereRenderer = sphere.GetComponent<Renderer>();
|
|||
|
|
if (sphereRenderer != null)
|
|||
|
|
{
|
|||
|
|
sphereRenderer.GetPropertyBlock(_materialProperty);
|
|||
|
|
_materialProperty.SetColor("_Color", result ? Color.green : Color.red);
|
|||
|
|
sphereRenderer.SetPropertyBlock(_materialProperty);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return result;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private Transform CreateSphereAt(int index, Vector3 pos)
|
|||
|
|
{
|
|||
|
|
var sphereObj = GameObject.CreatePrimitive(PrimitiveType.Sphere);
|
|||
|
|
sphereObj.name = "Point_" + index;
|
|||
|
|
var sphereCol = sphereObj.GetComponent<Collider>();
|
|||
|
|
if (sphereCol)
|
|||
|
|
DestroyImmediate(sphereCol);
|
|||
|
|
var sphere = sphereObj.transform;
|
|||
|
|
sphere.SetParent(_root);
|
|||
|
|
sphere.position = pos;
|
|||
|
|
MarkPointPosition(sphere);
|
|||
|
|
return sphere;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private List<Transform> GetSphereList()
|
|||
|
|
{
|
|||
|
|
var result = new List<Transform>();
|
|||
|
|
if (_root != null)
|
|||
|
|
{
|
|||
|
|
foreach (Transform child in _root)
|
|||
|
|
result.Add(child);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return result;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private void BuildLinks()
|
|||
|
|
{
|
|||
|
|
_links.Clear();
|
|||
|
|
var sphereList = GetSphereList();
|
|||
|
|
for (var i = 1; i < sphereList.Count; i++)
|
|||
|
|
{
|
|||
|
|
for (var j = 0; j < i; j++)
|
|||
|
|
{
|
|||
|
|
var source = sphereList[i].position;
|
|||
|
|
var target = sphereList[j].position;
|
|||
|
|
if ((source.RemoveY() - target.RemoveY()).sqrMagnitude < linkLengthSqr)
|
|||
|
|
{
|
|||
|
|
NavMeshHit hit;
|
|||
|
|
if (!NavMesh.Raycast(source, target, out hit, NavMesh.AllAreas))
|
|||
|
|
_links.Add(new MyTuple<Transform, Transform>(sphereList[i], sphereList[j]));
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
/// <summary>
|
|||
|
|
/// 初始化时，临时使用的数据
|
|||
|
|
/// </summary>
|
|||
|
|
private class PathNodeData
|
|||
|
|
{
|
|||
|
|
public int index;
|
|||
|
|
public List<int> linkTo;
|
|||
|
|
public Transform sphere;
|
|||
|
|
}
|
|||
|
|
}
|