HK_LongZhiMeng/Assets/Scripts/Helper/AnnotationPool.cs

using GLTFast;
using HighlightPlus;
using System.Collections.Generic;
using System.Threading.Tasks;
using UnityEngine;
/// <summary>
/// 周边水源和行车路线标记工具对象池
/// <summary>
public class AnnotationPool : Singleton<AnnotationPool>
{
    private Dictionary<string, GameObject> pool = new Dictionary<string, GameObject>();

    public async Task<GameObject> GetMarked(string key, Vector3 position, Quaternion rotation, Transform parent)
    {
        var temp = FindMarked(key);
        GameObject go;
        if (temp == null)
        {
            temp = await LoadMarked(key);
        }
        go = Instantiate(temp, position, rotation);
        go.transform.parent = parent;
        go.SetActive(true);
        return go;
    }

    private async Task<GameObject> LoadMarked(string key)
    {
        AssetManager.Instance.SetLoadingPanel(true);
        //var path = $"{Application.streamingAssetsPath}/ModelBase/Annotatios/{key}/{key}.gltf";
        var path = string.Format(HttpManager.Instance.GetAnnotatioModel, key, key);
        var gltf = new GltfImport();
        var success = await gltf.Load(path, new ImportSettings());
        if (success)
        {
            var root = new GameObject(key);
            gltf.InstantiateMainScene(root.transform);
            pool.Add(key, root);
            SetAttribute(key, root);
            root.SetActive(false);
            AssetManager.Instance.SetLoadingPanel(false);
            return root;
        }
        return null;
    }

    private void SetAttribute(string key, GameObject go)
    {
        
        foreach (Transform t in go.GetComponentsInChildren<Transform>())
            t.gameObject.layer = LayerMask.NameToLayer("Annotation");

        var boxCollider = go.AddComponent<BoxCollider>();
        boxCollider.center = Vector3.zero;
        boxCollider.size = new Vector3(8, 5, 8);
        if (key.Contains("LX"))
            boxCollider.size = new Vector3(1f,0.5f,2f);

        var controller = go.AddComponent<SourceController>();
        controller.OriginaName = key;
        if (key.Contains("LX"))
            controller.sourceMode = CreationMode.Multipoint;
        else
            controller.sourceMode = CreationMode.Single;
        go.AddComponent<DragObject>();

        var effacr = go.AddComponent<HighlightEffect>();
        effacr.profile = AssetManager.Instance.highlightProfile;
        effacr.profile.Load(effacr);

        var info = Instantiate(AssetManager.Instance.annotationInfo);
        info.transform.parent = go.transform;
        info.name = "info";
        switch (key)
        {
            case "Company":
                info.GetComponent<TextMesh>().text = "单位名称";
                break;
            case "DSXHS":
                info.GetComponent<TextMesh>().text = "地上消火栓";
                break;
            case "DXXHS":
                info.GetComponent<TextMesh>().text = "地下消火栓";
                break;
            case "TRSY":
                info.GetComponent<TextMesh>().text = "天然水源";
                break;
            case "XFSC":
                info.GetComponent<TextMesh>().text = "消防水池";
                break;
            case "XQZD":
                info.GetComponent<TextMesh>().text = "辖区中队";
                break;
            case "ZYZD":
                info.GetComponent<TextMesh>().text = "增援中队";
                break;
            case "XQZDLX":
            case "ZYZDLX":
                info.GetComponent<TextMesh>().text = "";
                break;
        }
    }

    private GameObject FindMarked(string key)
    {
        //从列中中找出未激活的游戏对象并返回
        return pool.ContainsKey(key) ? pool[key] : null;
    }
}