Main/Assets/Editor/SplitTerrain/EditorForm/SplitTerrainWindow.cs

using Thousandto.Core.Asset;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using UnityEditor;
using UnityEditor.SceneManagement;
using UnityEngine;

namespace Thousandto.Editor.Test
{
    public partial class SplitTerrainWindow : UnityEditor.EditorWindow
    {
        #region //私有成员
        private float PosY = 0;
        private TerrainData _curTerrainData = null;
        private string _terrainPath = "";
        private bool _isSelectionChanged = false;
        private UnityEngine.Object _curSelectObj = null;
        private GUIContent _content1;
        private bool _isDisable = false;
        private Vector2 _scrollPos = new Vector2(0, 0);
        private const int WINDOW_WIDTH = 400;
        private bool _bakeStart = false;
        private List<GameObject> _loadedPrefabs;
        #endregion

        [MenuItem("SplitTerrain/OpenWindow")]
        static void Open()
        {
            SplitTerrainWindow window = UnityEditor.EditorWindow.GetWindowWithRect<SplitTerrainWindow>(new Rect(0, 0, WINDOW_WIDTH, 800), false, "切割地形", true);
            window.maxSize = new Vector2(WINDOW_WIDTH, 800);
            window.Init();
            window.Show();
        }

        void Init()
        {
            _content1 = new GUIContent("Load all blocks or load the selected one");
        }

        #region 编辑器自带函数
        void OnInspectorUpdate()
        {
            Repaint();

            if (_curSelectObj != Selection.activeObject)
                OnSelectionChange();

            if (_isDisable)
                OnEnable();

            if(_bakeStart)
                EditorUtility.DisplayProgressBar("Bake", "烘焙lightmap", Lightmapping.buildProgress);

        }

        void OnEnable()
        {
            _isDisable = false;
            RegisterSceneRayCastEvent();
            OnSelectionChange();

            DrawUtils.Initialize();
        }

        void OnDisable()
        {
            DrawUtils.Uninialize();
            _isDisable = true;
        }

        void OnDidOpenScene()
        {
            DrawUtils.Uninialize();
            DrawUtils.Initialize();
        }

        void OnGUI()
        {
            _scrollPos = GUILayout.BeginScrollView(_scrollPos);
            //terrain详细信息以及切割网格的功能
            DrawTerrainInfo();
            DrawSpaceLine(5);
            //loadblock和收集场景上物件
            DrawLoadBlockRegion();
            DrawSpaceLine(5);
            //设置网格材质
            DrawSetMaterialRegion();
            DrawSpaceLine(5);
            //转网格为prefab
            DrawCovertToPrefabRegion();
            DrawSpaceLine(5);
            //场景中辅助划线
            DrawGizmosMeshes();
            DrawSpaceLine(5);
            DrawTexturePreview();
            _isSelectionChanged = false;

            GUILayout.EndScrollView();
            DrawSpaceLine(5);

            DrawBakeGUI();
            DrawSpaceLine(5);

            if (Event.current.type == EventType.MouseDown)
            {
                GUI.FocusControl(null);
            }
        }

        void OnSelectionChange()
        {
            _curSelectObj = Selection.activeObject;

            LoadTerrainData();
            ClearPickGos();
            PickTexFromLightmap();
        }

        
        #endregion

        #region 工具函数
        bool IsSelectionInHierarchy()
        {
            string path = AssetDatabase.GetAssetPath(_curSelectObj);
            return !File.Exists(path);
        }

        void DrawInfo(string tag, ref string member, Action buttonAction = null, string buttonName = "button")
        {
            GUILayout.BeginHorizontal();
            EditorGUI.indentLevel = 1;
            int maxWidth = buttonAction == null ? 200 : 100;
            GUILayout.Label("   " + tag, GUILayout.MaxWidth(maxWidth));
            member = EditorGUILayout.TextField(member);

            if(buttonAction != null)
            {
                if(GUILayout.Button(buttonName, GUILayout.MaxWidth(100)))
                {
                    buttonAction();
                }
            }
            EditorGUI.indentLevel = 0;
            GUILayout.EndHorizontal();
        }

        public void DrawInfo(string tag, object value)
        {
            GUILayout.BeginHorizontal();
            EditorGUI.indentLevel = 1;
            GUILayout.Label("   " + tag, GUILayout.MaxWidth(200));
            GUILayout.TextField("" + value);
            EditorGUI.indentLevel = 0;
            GUILayout.EndHorizontal();
        }

        void DrawSplitSetting(string tag, ref int member, string desc)
        {
            GUILayout.BeginHorizontal();
            EditorGUI.indentLevel = 1;
            GUILayout.Label("   " + tag, GUILayout.Width(100));
            member = EditorGUILayout.IntField(member, GUILayout.Width(80));
            GUILayout.Label("x" + member);
            GUILayout.Label(desc);
            EditorGUI.indentLevel = 0;
            GUILayout.EndHorizontal();
        }

        public void DrawSpaceLine(int num = 3)
        {
            for (int i = 0; i < num; ++i)
            {
                GUILayout.Space(5);
            }
        }
        #endregion
    }
}