641 lines
22 KiB
C#
641 lines
22 KiB
C#
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using System;
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using System.IO;
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using System.Threading.Tasks;
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using static BrainFailProductions.PolyFewRuntime.PolyfewRuntime;
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#if UNITY_EDITOR
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using UnityEditor;
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#endif
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namespace BrainFailProductions.PolyFew.AsImpL
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{
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/// <summary>
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/// Component that imports objects from a model, both at run-rime and as assets in Editor.
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/// </summary>
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/// <remarks></remarks>
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public class ObjectImporter : MonoBehaviour
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{
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public static ReferencedNumeric<float> downloadProgress;
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public static int activeDownloads;
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#pragma warning disable
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private static float objDownloadProgress;
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#pragma warning disable
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private static float textureDownloadProgress;
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private static float materialDownloadProgress;
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public static bool isException;
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public ObjectImporter()
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{
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isException = false;
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downloadProgress = new ReferencedNumeric<float>(0);
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objDownloadProgress = 0;
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textureDownloadProgress = 0;
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materialDownloadProgress = 0;
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activeDownloads = 6;
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}
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#if UNITY_EDITOR
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/// <summary>
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/// Import the model as a set of assets. This should be set only by the Editor window.
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/// </summary>
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[HideInInspector]
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public bool importAssets = false;
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/// <summary>
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/// Set the import path for assets. This should be set only by the Editor window.
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/// </summary>
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[HideInInspector]
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public string importAssetPath = "_ImportedOBJ";
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#endif
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protected int numTotalImports = 0;
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protected bool allLoaded = false;
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protected ImportOptions buildOptions;
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protected List<Loader> loaderList;
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#if UNITY_EDITOR
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// raw subdivision in percentages of the import phases (empirically computed importing a large sample OBJ file)
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// TODO: refine or change this method
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private static float TEX_PHASE_PERC = 13f;
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private static float OBJ_PHASE_PERC = 76f;
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//private static float ASSET_PHASE_PERC = 11f;
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private string importMessage = string.Empty;
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#endif
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#pragma warning disable
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private ImportPhase importPhase = ImportPhase.Idle;
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/// <summary>
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/// Event triggered when starting to import.
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/// </summary>
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public event Action ImportingStart;
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/// <summary>
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/// Event triggered when finished importing.
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/// </summary>
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public event Action ImportingComplete;
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/// <summary>
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/// Event triggered when a single model has been created and before it is imported.
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/// </summary>
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public event Action<GameObject, string> CreatedModel;
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/// <summary>
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/// Event triggered when a single model has been successfully imported.
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/// </summary>
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public event Action<GameObject, string> ImportedModel;
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/// <summary>
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/// Event triggered when an error occurred importing a model.
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/// </summary>
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public event Action<string> ImportError;
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private enum ImportPhase { Idle, TextureImport, ObjLoad, AssetBuild, Done }
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/// <summary>
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/// Number of pending import activities.
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/// </summary>
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public int NumImportRequests
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{
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get { return numTotalImports; }
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}
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#if UNITY_EDITOR
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public bool AllImported
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{
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get
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{
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return importAssets ? importPhase == ImportPhase.Done : allLoaded;
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}
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}
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/// <summary>
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/// Import progress percentage (0..100)
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/// </summary>
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public float ImportProgress
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{
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get
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{
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if (Loader.totalProgress.singleProgress.Count > 0)
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{
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if (importAssets)
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{
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switch (importPhase)
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{
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case ImportPhase.TextureImport:
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return 0f;
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case ImportPhase.ObjLoad:
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return TEX_PHASE_PERC + (OBJ_PHASE_PERC / 100f) * Loader.totalProgress.singleProgress[0].percentage;
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case ImportPhase.AssetBuild:
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return TEX_PHASE_PERC + OBJ_PHASE_PERC;
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case ImportPhase.Done:
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return 100f;
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}
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}
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else
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{
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return Loader.totalProgress.singleProgress[0].percentage;
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}
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}
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return 0f;
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}
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}
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/// <summary>
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/// Message updated while importing of objects
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/// </summary>
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public string ImportMessage
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{
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get
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{
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if (Loader.totalProgress.singleProgress.Count > 0)
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{
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if (importAssets)
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{
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switch (importPhase)
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{
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case ImportPhase.Idle:
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return string.Empty;
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case ImportPhase.ObjLoad:
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return Loader.totalProgress.singleProgress[0].message;
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case ImportPhase.Done:
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return "Finalizing....";
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default:
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return importMessage;
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}
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}
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else
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{
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return Loader.totalProgress.singleProgress[0].message;
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}
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}
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return string.Empty;
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}
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}
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/// <summary>
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/// Start importing a new object
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/// </summary>
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/// <see cref="ImportOptions"/>
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/// <param name="absolutePath">Absolute path of the file to import</param>
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/// <param name="parentObject">Transform to which attach the new object (it can be null)</param>
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/// <param name="options">Import options</param>
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public void ImportFile(string absolutePath, Transform parentObject, ImportOptions options)
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{
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buildOptions = options;
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#pragma warning disable
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ImportFileAsync(absolutePath, parentObject);
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}
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/// <summary>
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/// Called as a coroutine by ImportFile()
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/// </summary>
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/// <param name="absolutePath"></param>
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/// <param name="parentObject"></param>
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/// TODO: refactor this method, it is too long.
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private async Task ImportFileAsync(string absolutePath, Transform parentObject, string texturesFolderPath = "", string materialsFolderPath = "")
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{
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Loader loader = CreateLoader(absolutePath);
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if (loader == null)
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{
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return;
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}
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loader.buildOptions = buildOptions;
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Debug.Log("Loading: " + absolutePath);
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float startTotTime = Time.realtimeSinceStartup;
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float startTime = Time.realtimeSinceStartup;
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importPhase = ImportPhase.TextureImport;
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string dirName = Path.GetDirectoryName(absolutePath);
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string sourceBasePath = string.IsNullOrEmpty(dirName) ? "" : dirName;
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if (!sourceBasePath.EndsWith("/"))
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{
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sourceBasePath += "/";
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}
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string newName = Path.GetFileNameWithoutExtension(absolutePath);//fileInfo.Name.Substring(0, fileInfo.Name.Length - 4);
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if (importAssets)
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{
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Debug.LogFormat("Importing assets from {0}...", absolutePath);
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importMessage = "Creating folders...";
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FileInfo fileInfo = new FileInfo(absolutePath);
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string fileName = fileInfo.Name;
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if (!string.IsNullOrEmpty(importAssetPath))
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{
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EditorUtil.CreateAssetFolder("Assets", importAssetPath);
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EditorUtil.CreateAssetFolder("Assets/" + importAssetPath, fileName);
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}
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else
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{
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EditorUtil.CreateAssetFolder("Assets", fileName);
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}
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string prefabRelPath = (!string.IsNullOrEmpty(importAssetPath)) ? importAssetPath + "/" + fileName : fileName;
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string prefabPath = "Assets/" + prefabRelPath;
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string prefabName = prefabPath + "/" + fileName.Replace('.', '_') + ".prefab";
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string[] texturePaths = loader.ParseTexturePaths(absolutePath);
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EditorUtil.CreateAssetFolder(prefabPath, "Textures");
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EditorUtil.CreateAssetFolder(prefabPath, "Materials");
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string destBasePath = Application.dataPath + "/../" + prefabPath;
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foreach (string texPath in texturePaths)
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{
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string source = texPath;
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if (!Path.IsPathRooted(source))
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{
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source = sourceBasePath + texPath;
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}
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FileInfo texFileInfo = new FileInfo(source);
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string dest = destBasePath + "/Textures/" + texFileInfo.Name;
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importMessage = "Copying texture " + source + "...";
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File.Copy(source, dest, true);
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Debug.LogFormat("Texture {0} copied to {1}", source, dest);
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}
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AssetDatabase.Refresh();
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AssetDatabase.StartAssetEditing();
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foreach (string texPath in texturePaths)
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{
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FileInfo textFileInfo = new FileInfo(texPath);
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string texAssetPath = prefabPath + "/Textures/" + textFileInfo.Name;
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importMessage = "Importing texture " + texAssetPath + "...";
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EditorUtil.SetTextureReadable(texAssetPath);
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}
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AssetDatabase.SaveAssets();
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AssetDatabase.StopAssetEditing();
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//File.Copy(basePath+mtlLibName, destBasePath+mtlLibName, true);
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//File.Copy(absolutePath, destBasePath+fileName, true);
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importMessage = "Updating assets...";
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AssetDatabase.Refresh();
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Debug.LogFormat("Texture files imported in {0} seconds", Time.realtimeSinceStartup - startTime);
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startTime = Time.realtimeSinceStartup;
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importMessage = "Loading OBJ file...";
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importPhase = ImportPhase.ObjLoad;
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loader.altTexPath = prefabPath + "/Textures/";
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loader.buildOptions = buildOptions;
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await loader.Load(newName, absolutePath, parentObject, texturesFolderPath, materialsFolderPath);
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importMessage = "Saving assets...";
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AssetDatabase.SaveAssets();
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importMessage = "Refreshing assets...";
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AssetDatabase.Refresh();
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Debug.LogFormat("OBJ files loaded in {0} seconds", Time.realtimeSinceStartup - startTime);
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startTime = Time.realtimeSinceStartup;
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GameObject loadedObj = Loader.GetModelByPath(absolutePath);
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importMessage = "Creating mesh assets...";
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importPhase = ImportPhase.AssetBuild;
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// TODO: check if the prefab already exists
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MeshFilter[] meshFilters = loadedObj.GetComponentsInChildren<MeshFilter>();
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foreach (var filter in meshFilters)
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{
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Mesh mesh = filter.sharedMesh;
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if (!AssetDatabase.Contains(mesh))
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{
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EditorUtil.CreateAssetFolder(prefabPath, "Meshes");
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AssetDatabase.CreateAsset(mesh, prefabPath + "/Meshes/" + mesh.name + ".asset");
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}
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}
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importMessage = "Creating material assets...";
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AssetDatabase.StartAssetEditing();
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MeshRenderer[] meshRend = loadedObj.GetComponentsInChildren<MeshRenderer>();
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foreach (var rend in meshRend)
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{
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Material mtl = rend.sharedMaterial;
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if (!AssetDatabase.Contains(mtl))
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{
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string mtlAssetPath = prefabPath + "/Materials/" + mtl.name + ".mat";
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AssetDatabase.CreateAsset(mtl, mtlAssetPath);
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}
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}
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importMessage = "Saving assets...";
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AssetDatabase.SaveAssets();
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AssetDatabase.StopAssetEditing();
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importMessage = "Updating assets...";
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AssetDatabase.Refresh();
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importMessage = "Creating prefab...";
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#if UNITY_2018_3_OR_NEWER
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PrefabUtility.SaveAsPrefabAssetAndConnect(loadedObj, prefabName, InteractionMode.AutomatedAction);
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#else
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PrefabUtility.CreatePrefab(prefabName, loadedObj, ReplacePrefabOptions.ConnectToPrefab);
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#endif
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//GameObject. objObject.GetComponent<OBJ>();
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Debug.LogFormat("Assets created in {0} seconds", Time.realtimeSinceStartup - startTime);
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importPhase = ImportPhase.Done;
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}
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else
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{
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importPhase = ImportPhase.ObjLoad;
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await loader.Load(newName, absolutePath, parentObject);
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}
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Debug.LogFormat("OBJ files imported in {0} seconds", Time.realtimeSinceStartup - startTotTime);
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}
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#endif
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/// <summary>
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/// Create the proper loader component according to the file extension.
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/// </summary>
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/// <param name="absolutePath">path of the model to be imported</param>
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/// <returns>A proper loader or null if not available.</returns>
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private Loader CreateLoader(string absolutePath, bool isNetwork = false)
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{
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if(isNetwork)
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{
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Loader laoder = gameObject.AddComponent<LoaderObj>();
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laoder.ModelCreated += OnModelCreated;
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laoder.ModelLoaded += OnImported;
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laoder.ModelError += OnImportError;
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return laoder;
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}
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string ext = Path.GetExtension(absolutePath);
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if (string.IsNullOrEmpty(ext))
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{
|
|||
|
|
throw new System.InvalidOperationException("No extension defined, unable to detect file format. Please provide a full path to the file that ends with the file name including its extension.");
|
|||
|
|
//return null;
|
|||
|
|
}
|
|||
|
|
Loader loader = null;
|
|||
|
|
ext = ext.ToLower();
|
|||
|
|
if (ext.StartsWith(".php"))
|
|||
|
|
{
|
|||
|
|
if (!ext.EndsWith(".obj"))
|
|||
|
|
{
|
|||
|
|
// TODO: other formats supported? Remark: often there are zip and rar archives without extension.
|
|||
|
|
throw new System.InvalidOperationException("Unable to detect file format in " + ext);
|
|||
|
|
//return null;
|
|||
|
|
}
|
|||
|
|
loader = gameObject.AddComponent<LoaderObj>();
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
switch (ext)
|
|||
|
|
{
|
|||
|
|
case ".obj":
|
|||
|
|
loader = gameObject.AddComponent<LoaderObj>();
|
|||
|
|
break;
|
|||
|
|
// TODO: add mode formats here...
|
|||
|
|
default:
|
|||
|
|
throw new System.InvalidOperationException($"File format not supported ({ext})");
|
|||
|
|
//Debug.LogErrorFormat("File format not supported ({0})", ext);
|
|||
|
|
//return null;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
loader.ModelCreated += OnModelCreated;
|
|||
|
|
loader.ModelLoaded += OnImported;
|
|||
|
|
loader.ModelError += OnImportError;
|
|||
|
|
|
|||
|
|
return loader;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Request to load a file asynchronously.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="objName"></param>
|
|||
|
|
/// <param name="filePath"></param>
|
|||
|
|
/// <param name="parentObj"></param>
|
|||
|
|
/// <param name="options"></param>
|
|||
|
|
public async Task<GameObject> ImportModelAsync(string objName, string filePath, Transform parentObj, ImportOptions options, string texturesFolderPath = "", string materialsFolderPath = "")
|
|||
|
|
{
|
|||
|
|
if (loaderList == null)
|
|||
|
|
{
|
|||
|
|
loaderList = new List<Loader>();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (loaderList.Count == 0)
|
|||
|
|
{
|
|||
|
|
numTotalImports = 0;// files.Length;
|
|||
|
|
ImportingStart?.Invoke();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
string absolutePath = filePath.Contains("//") ? filePath : Path.GetFullPath(filePath);
|
|||
|
|
absolutePath = absolutePath.Replace('\\', '/');
|
|||
|
|
|
|||
|
|
Loader loader = CreateLoader(absolutePath);
|
|||
|
|
|
|||
|
|
if (loader == null)
|
|||
|
|
{
|
|||
|
|
throw new SystemException("Failed to import obj.");
|
|||
|
|
//return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
numTotalImports++;
|
|||
|
|
loaderList.Add(loader);
|
|||
|
|
loader.buildOptions = options;
|
|||
|
|
|
|||
|
|
if (string.IsNullOrEmpty(objName))
|
|||
|
|
{
|
|||
|
|
objName = Path.GetFileNameWithoutExtension(absolutePath);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
allLoaded = false;
|
|||
|
|
|
|||
|
|
GameObject loaded = await loader.Load(objName, absolutePath, parentObj, texturesFolderPath, materialsFolderPath);
|
|||
|
|
|
|||
|
|
return loaded;
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
public async Task<GameObject> ImportModelFromNetwork(string objURL, string objName, string diffuseTexURL, string bumpTexURL, string specularTexURL, string opacityTexURL, string materialURL, ReferencedNumeric<float> downloadProgress, ImportOptions options)
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
if (loaderList == null)
|
|||
|
|
{
|
|||
|
|
loaderList = new List<Loader>();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (loaderList.Count == 0)
|
|||
|
|
{
|
|||
|
|
numTotalImports = 0;// files.Length;
|
|||
|
|
ImportingStart?.Invoke();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
Loader loader = CreateLoader("", true);
|
|||
|
|
|
|||
|
|
if (loader == null)
|
|||
|
|
{
|
|||
|
|
throw new SystemException("Failed to import obj.");
|
|||
|
|
//return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
numTotalImports++;
|
|||
|
|
loaderList.Add(loader);
|
|||
|
|
loader.buildOptions = options;
|
|||
|
|
|
|||
|
|
allLoaded = false;
|
|||
|
|
|
|||
|
|
|
|||
|
|
if(string.IsNullOrWhiteSpace(objName)) { objName = ""; }
|
|||
|
|
|
|||
|
|
ObjectImporter.downloadProgress = downloadProgress;
|
|||
|
|
|
|||
|
|
//string objURL, string objName, string textureURL, string materialURL, ReferencedNumeric< float > downloadProgress, ImportOptions options
|
|||
|
|
GameObject loaded;
|
|||
|
|
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
loaded = await loader.LoadFromNetwork(objURL, diffuseTexURL, bumpTexURL, specularTexURL, opacityTexURL, materialURL, objName);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
catch (Exception ex)
|
|||
|
|
{
|
|||
|
|
throw ex;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return loaded;
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
public void ImportModelFromNetworkWebGL(string objURL, string objName, string diffuseTexURL, string bumpTexURL, string specularTexURL, string opacityTexURL, string materialURL, ReferencedNumeric<float> downloadProgress, ImportOptions options, Action<GameObject> OnSuccess, Action<Exception> OnError)
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
if (loaderList == null)
|
|||
|
|
{
|
|||
|
|
loaderList = new List<Loader>();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (loaderList.Count == 0)
|
|||
|
|
{
|
|||
|
|
numTotalImports = 0;// files.Length;
|
|||
|
|
ImportingStart?.Invoke();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
Loader loader = CreateLoader("", true);
|
|||
|
|
|
|||
|
|
if (loader == null)
|
|||
|
|
{
|
|||
|
|
OnError(new SystemException("Loader initialization failed due to unknown reasons."));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
numTotalImports++;
|
|||
|
|
loaderList.Add(loader);
|
|||
|
|
loader.buildOptions = options;
|
|||
|
|
|
|||
|
|
allLoaded = false;
|
|||
|
|
|
|||
|
|
|
|||
|
|
if (string.IsNullOrWhiteSpace(objName)) { objName = ""; }
|
|||
|
|
|
|||
|
|
ObjectImporter.downloadProgress = downloadProgress;
|
|||
|
|
|
|||
|
|
StartCoroutine(loader.LoadFromNetworkWebGL(objURL, diffuseTexURL, bumpTexURL, specularTexURL, opacityTexURL, materialURL, objName, OnSuccess, OnError));
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Update the loading/importing status
|
|||
|
|
/// </summary>
|
|||
|
|
public virtual void UpdateStatus()
|
|||
|
|
{
|
|||
|
|
if (allLoaded) return;
|
|||
|
|
int num_loaded_files = numTotalImports - Loader.totalProgress.singleProgress.Count;
|
|||
|
|
|
|||
|
|
bool loading = num_loaded_files < numTotalImports;
|
|||
|
|
if (!loading)
|
|||
|
|
{
|
|||
|
|
allLoaded = true;
|
|||
|
|
if (loaderList != null)
|
|||
|
|
{
|
|||
|
|
foreach (var loader in loaderList)
|
|||
|
|
{
|
|||
|
|
Destroy(loader);
|
|||
|
|
}
|
|||
|
|
loaderList.Clear();
|
|||
|
|
}
|
|||
|
|
OnImportingComplete();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
protected virtual void Update()
|
|||
|
|
{
|
|||
|
|
UpdateStatus();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Called when finished importing. It triggers ImportingComplete event, if it was set.
|
|||
|
|
/// </summary>
|
|||
|
|
protected virtual void OnImportingComplete()
|
|||
|
|
{
|
|||
|
|
if (ImportingComplete != null)
|
|||
|
|
{
|
|||
|
|
ImportingComplete();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Called when each model has been created and before it is imported. It triggers CreatedModel event, if it was set.
|
|||
|
|
/// </summary>
|
|||
|
|
protected virtual void OnModelCreated(GameObject obj, string absolutePath)
|
|||
|
|
{
|
|||
|
|
if (CreatedModel != null)
|
|||
|
|
{
|
|||
|
|
CreatedModel(obj, absolutePath);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Called when each model has been imported. It triggers ImportedModel event, if it was set.
|
|||
|
|
/// </summary>
|
|||
|
|
protected virtual void OnImported(GameObject obj, string absolutePath)
|
|||
|
|
{
|
|||
|
|
if (ImportedModel != null)
|
|||
|
|
{
|
|||
|
|
ImportedModel(obj, absolutePath);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Called when a model import fails. It triggers ImportError event, if it was set.
|
|||
|
|
/// </summary>
|
|||
|
|
protected virtual void OnImportError(string absolutePath)
|
|||
|
|
{
|
|||
|
|
if (ImportError != null)
|
|||
|
|
{
|
|||
|
|
ImportError(absolutePath);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
}
|