feat(all): 离线包加载测试

This commit is contained in:
plum
2026-04-09 00:20:33 +08:00
parent 151bc7c8a2
commit d8f98ee295
7 changed files with 1667 additions and 139 deletions
+509 -139
View File
@@ -5,7 +5,7 @@
* @update 2025-02-14
* @version 5.0.0
*/
import { Mesh, Group, Bone } from "three";
import { Mesh, Group, Bone, Object3D, Texture } from "three";
import JSZip from "jszip";
import { strToU8 } from 'three/examples/jsm/libs/fflate.module.js';
import { BASE64_TYPES, TYPED_ARRAYS } from "@/constant";
@@ -123,6 +123,7 @@ export class Package {
private textureMap: Map<string, any>;
private callFunNum: { value: number; };
private skeletonClass: PackageSkeleton;
private dataComponentMap: Record<string, any> | null = null;
// 离线包相关属性
// @ts-ignore
@@ -202,6 +203,15 @@ export class Package {
* @returns {string} 返回贴图存储文件名称
*/
handleImage(imageJson:ITHREEScene.ImageJSON, zipData:SourceData[]): string {
if (imageJson.url && typeof imageJson.url === "object" && !imageJson.url.type) {
const ktx2Data = (imageJson.url as any).ktx2OriginalData;
if (ktx2Data) {
const name = imageJson.uuid + `.ktx2`;
zipData.push({ name, texture: ktx2Data });
return name;
}
}
if (typeof imageJson.url === "string") {
const name = imageJson.uuid + `.${BASE64_TYPES[imageJson.url.split(",")[0]]}`;
zipData.push({ name, texture: imageJson.url });
@@ -221,6 +231,22 @@ export class Package {
return name;
}
private findTextureByImageUuid(mesh: Mesh, imageUuid: string): Texture | null {
if (!mesh.material) return null;
const materials = Array.isArray(mesh.material) ? mesh.material : [mesh.material];
for (const material of materials) {
for (const key in material) {
const value = (material as any)[key];
if (value && value.isTexture && value.source?.uuid === imageUuid) {
return value as Texture;
}
}
}
return null;
}
/**
* 处理 mesh json
* @param mesh
@@ -252,6 +278,12 @@ export class Package {
!json.images && (json.images = []);
const texture = this.findTextureByImageUuid(mesh, image.uuid);
const textureMeta = (texture as any)?.metadata;
if (textureMeta?.isKTX2 && textureMeta?.ktx2OriginalData && typeof image.url === "object") {
(image.url as any).ktx2OriginalData = textureMeta.ktx2OriginalData;
}
const name = this.handleImage(image, zipData)
if(name){
json.images.push(name);
@@ -314,6 +346,60 @@ export class Package {
}
}
private sanitizeDataComponentList(list: any) {
if (!Array.isArray(list) || list.length === 0) return null;
return list.map((entry) => {
if (!entry || typeof entry !== "object") return entry;
const config = entry.config && typeof entry.config === "object" ? { ...entry.config } : entry.config;
return { ...entry, config, data: null };
});
}
private collectDataComponentMap(root: Object3D) {
const map: Record<string, any> = {};
const condition = (obj: any) => !obj.ignore;
const visit = (obj: any) => {
const sanitized = this.sanitizeDataComponentList(obj?.dataComponent);
if (sanitized) {
map[obj.uuid] = sanitized;
}
};
if (typeof (root as any).traverseByCondition === "function") {
(root as any).traverseByCondition(visit, condition);
} else {
root.traverse((obj: any) => {
if (!condition(obj)) return;
visit(obj);
});
}
return map;
}
private applyDataComponentMap(root: Object3D) {
const map = this.dataComponentMap;
if (!map || Object.keys(map).length === 0) return;
const condition = (obj: any) => !obj.ignore;
const apply = (obj: any) => {
if (!Object.prototype.hasOwnProperty.call(map, obj.uuid)) return;
const sanitized = this.sanitizeDataComponentList(map[obj.uuid]);
if (sanitized) {
obj.dataComponent = sanitized;
}
};
if (typeof (root as any).traverseByCondition === "function") {
(root as any).traverseByCondition(apply, condition);
} else {
root.traverse((obj: any) => {
if (!condition(obj)) return;
apply(obj);
});
}
}
/**
* 按 group 分组各打包为1个zip文件
* @param {IPackConfig} packConfig
@@ -422,6 +508,14 @@ export class Package {
console.log(sceneZipData,drawingInfo)
}
const dataComponents = this.collectDataComponentMap(this.viewer.scene);
if (Object.keys(dataComponents).length > 0) {
sceneZipData.push({
name: "data_components.json",
json: JSON.stringify(dataComponents)
});
}
// 项目配置
sceneZipData.push({
name: "config.json",
@@ -430,6 +524,8 @@ export class Package {
xr: App.project.getKey("xr"),
// 项目渲染器配置
renderer: App.project.getKey("renderer"),
// BVH 配置
bvh: App.project.getKey("bvh"),
// 项目级联阴影映射
csm: App.project.getKey("csm"),
// 项目后处理配置
@@ -712,16 +808,170 @@ export class Package {
}
}
private decodeUint8Text(data: Uint8Array): string {
return new TextDecoder().decode(data);
}
private parseOfflineManifest(unzipped: Record<string, Uint8Array>): any | null {
const manifestData = unzipped["offline.json"];
if (!manifestData) return null;
try {
return JSON.parse(this.decodeUint8Text(manifestData));
} catch {
return null;
}
}
private buildOfflineFlatPackages(unzipped: Record<string, Uint8Array>, packagesPrefix: string): Map<string, Record<string, Uint8Array>> {
const prefix = packagesPrefix.endsWith("/") ? packagesPrefix : `${packagesPrefix}/`;
const map = new Map<string, Record<string, Uint8Array>>();
for (const [name, data] of Object.entries(unzipped)) {
if (name === "offline.json") continue;
if (!name.startsWith(prefix)) continue;
const rest = name.slice(prefix.length);
const splitIndex = rest.indexOf("/");
if (splitIndex <= 0) continue;
const baseName = rest.slice(0, splitIndex);
const innerPath = rest.slice(splitIndex + 1);
if (!innerPath) continue;
let pkg = map.get(baseName);
if (!pkg) {
pkg = {};
map.set(baseName, pkg);
}
pkg[innerPath] = data;
}
return map;
}
private async unzipJsZipToMap(zipInput: Blob | ArrayBuffer | Uint8Array): Promise<Record<string, Uint8Array>> {
const jszip = new JSZip();
const zipRes = await jszip.loadAsync(zipInput as any);
const out: Record<string, Uint8Array> = {};
for (const key in zipRes.files) {
if (zipRes.files[key].dir) continue;
const fileName = zipRes.files[key].name;
const content = await zipRes.file(fileName)?.async("uint8array");
if (content) out[fileName] = content;
}
return out;
}
private async buildOfflinePackageMapFromFiles(files: File[]): Promise<Map<string, Uint8Array>> {
const map = new Map<string, Uint8Array>();
for (const file of files) {
const buffer = new Uint8Array(await file.arrayBuffer());
const normalized = this.normalizeOfflinePackageName(file.name);
map.set(normalized, buffer);
const uuid = this.extractUuidFromName(file.name);
if (uuid) {
const canonical = this.normalizeOfflinePackageName(uuid.toLowerCase());
if (!map.has(canonical)) {
map.set(canonical, buffer);
}
}
}
return map;
}
private async initOfflineSource(unpackConfig: IUnpackConfig): Promise<void> {
this.isOfflineImportContext = Boolean(unpackConfig.offlineBundle || (unpackConfig.offlineFiles && unpackConfig.offlineFiles.length > 0));
this.offlineZipMap = null;
this.offlineEntryZip = null;
this.offlineFlatPackages = null;
this.offlineFlatEntryBase = null;
const setupFlat = (unzipped: Record<string, Uint8Array>, manifest?: any, fallbackEntry?: string) => {
const packagesPrefix = manifest?.packagesPrefix || this.offlinePackagesPrefix;
this.offlineFlatPackages = this.buildOfflineFlatPackages(unzipped, packagesPrefix);
const entryName = manifest?.entry
? this.normalizeOfflinePackageName(String(manifest.entry))
: (fallbackEntry ? this.normalizeOfflinePackageName(fallbackEntry) : undefined);
const entryBase = manifest?.entryBase || (entryName ? this.getOfflinePackageBaseName(entryName) : undefined);
if (entryBase) this.offlineFlatEntryBase = entryBase;
if (entryName) this.offlineEntryZip = entryName;
};
if (unpackConfig.offlineBundle) {
let u8: Uint8Array;
if (unpackConfig.offlineBundle instanceof Uint8Array) {
u8 = unpackConfig.offlineBundle;
} else if (unpackConfig.offlineBundle instanceof ArrayBuffer) {
u8 = new Uint8Array(unpackConfig.offlineBundle);
} else {
u8 = new Uint8Array(await unpackConfig.offlineBundle.arrayBuffer());
}
const unzipped = await this.unzipJsZipToMap(u8);
const manifest = this.parseOfflineManifest(unzipped);
if (manifest?.mode === "single") {
setupFlat(unzipped, manifest);
return;
}
const map = new Map<string, Uint8Array>();
for (const [name, data] of Object.entries(unzipped)) {
if (name === "offline.json") continue;
if (name.toLowerCase().endsWith(".astral")) {
map.set(this.normalizeOfflinePackageName(name), data);
}
}
this.offlineZipMap = map;
if (manifest?.entry) {
this.offlineEntryZip = this.normalizeOfflinePackageName(String(manifest.entry));
} else if (unpackConfig.offlineEntry) {
this.offlineEntryZip = this.normalizeOfflinePackageName(unpackConfig.offlineEntry);
}
} else if (unpackConfig.offlineFiles && unpackConfig.offlineFiles.length > 0) {
if (unpackConfig.offlineFiles.length === 1) {
const file = unpackConfig.offlineFiles[0];
try {
const unzipped = await this.unzipJsZipToMap(await file.arrayBuffer());
const manifest = this.parseOfflineManifest(unzipped);
if (manifest?.mode === "single") {
setupFlat(unzipped, manifest, file.name);
return;
}
} catch (err) {
// 兼容直接传入 .astral 分包文件的场景,忽略单包探测失败
}
}
this.offlineZipMap = await this.buildOfflinePackageMapFromFiles(unpackConfig.offlineFiles);
if (unpackConfig.offlineEntry) {
this.offlineEntryZip = this.normalizeOfflinePackageName(unpackConfig.offlineEntry);
}
}
if (this.offlineZipMap && !this.offlineEntryZip) {
this.offlineEntryZip = this.normalizeOfflinePackageName(unpackConfig.url);
}
}
/**
* 从首包开始解包
* @param {IUnpackConfig} unpackConfig
*/
public unpack(unpackConfig: IUnpackConfig) {
public async unpack(unpackConfig: IUnpackConfig) {
unpackConfig.onProgress && unpackConfig.onProgress(0);
let totalZipNumber = 0, progress = 0;
const match = unpackConfig.url.match( /(.*[\\/])?([a-zA-Z0-9]+-V\d+)(?=[\\/]|$)/);
this.prefix_url = this.viewer.options.request?.baseUrl + (match ? match[0] : unpackConfig.url.substring(0, unpackConfig.url.lastIndexOf("/")));
await this.initOfflineSource(unpackConfig);
if (!this.offlineZipMap && !this.offlineFlatPackages) {
const match = unpackConfig.url.match( /(.*[\\/])?([a-zA-Z0-9]+-V\d+)(?=[\\/]|$)/);
this.prefix_url = this.viewer.options.request?.baseUrl + (match ? match[0] : unpackConfig.url.substring(0, unpackConfig.url.lastIndexOf("/")));
} else {
this.prefix_url = "";
}
// indexDb存储
// const db = window.VIEWPORT.modules["db"];
@@ -743,6 +993,11 @@ export class Package {
that.imagesMap.clear();
that.materialsMap.clear();
that.textureMap.clear();
that.offlineZipMap = null;
that.offlineEntryZip = null;
that.offlineFlatPackages = null;
that.offlineFlatEntryBase = null;
that.dataComponentMap = null;
// @ts-ignore 清除loader
that.loader = undefined;
}
@@ -806,6 +1061,11 @@ export class Package {
App.FPS = Number(configJson.renderer.fps);
}
const bvhConfig = (configJson as any)?.bvh;
if (bvhConfig) {
App.project.setKey("bvh", bvhConfig);
}
if(configJson.csm){
const projectCSM = App.project.getKey("csm");
let _csmNotChange = true;
@@ -859,6 +1119,9 @@ export class Package {
unpackConfig.onSceneLoad && unpackConfig.onSceneLoad(sceneJson, configJson);
this.applyDataComponentMap(App.scene as unknown as Object3D);
this.dataComponentMap = null;
// 防止项目只有一个包的情况造成不触发proxy set
if (this.callFunNum.value === 0) {
this.callFunNum.value = 0;
@@ -872,15 +1135,12 @@ export class Package {
})
}
const networkGet = () => {
// 下载场景包
fetch(this.viewer.options.request?.baseUrl + unpackConfig.url)
.then(zipRes => zipRes.blob())
.then(async (file) => {
const parseSceneZip = async (file: Blob | Uint8Array | ArrayBuffer) => {
unpackConfig.onProgress && unpackConfig.onProgress(1);
// @ts-ignore
let sceneJson: ISceneJson = undefined, configJson: IAppProject.Config = undefined;
let dataComponentMap: Record<string, any> | null = null;
// 开始解压首包
const zip = new JSZip();
@@ -898,7 +1158,7 @@ export class Package {
}
}
const res = await zip.loadAsync(file);
const res = await zip.loadAsync(file as any);
/**
* res.files里包含整个zip里的文件描述、目录描述列表
@@ -917,6 +1177,9 @@ export class Package {
} else if (fileName === "config.json") { // 项目配置json
const content = await res.file(fileName)?.async('string') as string;
configJson = JSON.parse(content);
} else if (fileName === "data_components.json") {
const content = await res.file(fileName)?.async('string') as string;
dataComponentMap = JSON.parse(content);
} else if (fileName.substring(0, 9) === "Textures/") {
/**
* 贴图
@@ -928,6 +1191,11 @@ export class Package {
// 转换回贴图原始信息,存入map
const content = await res.file(fileName)?.async('arraybuffer');
this.unGzipImage(fileName.replace("Textures/", ""), content);
} else if (/\.ktx2$/i.test(fileName)) {
const content = await res.file(fileName)?.async('arraybuffer') as ArrayBuffer;
const blob = new Blob([content], { type: "image/ktx2" });
const blobUrl = URL.createObjectURL(blob) + `#${fileName.replace("Textures/", "")}`;
this.unGzipImage(fileName.replace("Textures/", ""), blobUrl);
} else {
const content = await res.file(fileName)?.async('string')
this.unGzipImage(fileName.replace("Textures/", ""), content);
@@ -964,6 +1232,7 @@ export class Package {
}
totalZipNumber = sceneJson.totalZipNumber || 0;
this.dataComponentMap = dataComponentMap;
// 贴图还原至sceneJson
sceneJson.scene.images = sceneJson.scene.images.map((item) => {
@@ -1003,12 +1272,42 @@ export class Package {
// 解压处理好的数据添加至 indexDB -> Msy3D -> scene
// db.setItem(dbKey, sceneJson);
})
}
const networkGet = async () => {
if (this.offlineFlatPackages) {
const entryBase = this.offlineFlatEntryBase || this.getOfflinePackageBaseName(this.offlineEntryZip || unpackConfig.url);
const entry = this.offlineFlatPackages.get(entryBase);
if (!entry) {
console.error(`[Package] 离线包缺少首包内容: ${entryBase}`);
return;
}
const zipData = await this.zipRawFiles(entry);
await parseSceneZip(zipData);
return;
}
if (this.offlineZipMap) {
const entryName = this.offlineEntryZip || this.normalizeOfflinePackageName(unpackConfig.url);
const zipData = this.offlineZipMap.get(entryName);
if (!zipData) {
console.error(`[Package] 离线包缺少首包: ${entryName}`);
return;
}
await parseSceneZip(zipData);
return;
}
// 下载场景包
const file = await fetch(this.viewer.options.request?.baseUrl + unpackConfig.url).then(zipRes => zipRes.blob());
await parseSceneZip(file);
}
// db.getItem(dbKey).then((dbData) => {
// if (dbData === undefined) {
networkGet();
await networkGet();
// }else{
// this.recordUuid(dbData.scene);
//
@@ -1044,6 +1343,8 @@ export class Package {
const check = (object, group) => {
// 检查数据是否已完善
let isDone = true;
const useMaterials = new Set<string>();
object.children.forEach((child) => {
// 检查几何数据是否都已拥有
if (child.geometry && group.geometries?.findIndex((geometry) => geometry.uuid === child.geometry) === -1) {
@@ -1055,30 +1356,9 @@ export class Package {
}
// material->texture->image
if (child.material && group.materials?.findIndex((material) => material.uuid === child.material) === -1) {
if (!this.materialsMap.has(child.material)) {
isDone = false;
} else {
group.materials.push(this.materialsMap.get(child.material));
const material = this.materialsMap.get(child.material);
if (material.map && group.textures?.findIndex((texture) => texture.uuid === material.map) === -1) {
if (!this.textureMap.has(material.map)) {
isDone = false;
} else {
group.textures.push(this.textureMap.get(material.map));
const texture = this.textureMap.get(material.map);
if (texture.image && group.images?.findIndex((image) => image.uuid === texture.image) === -1) {
if (!this.imagesMap.has(texture.image)) {
isDone = false;
} else {
group.images.push(this.imagesMap.get(texture.image));
}
}
}
}
}
if (child.material) {
const materialUUIDs = Array.isArray(child.material) ? child.material : [child.material];
materialUUIDs.forEach((materialUuid) => useMaterials.add(materialUuid));
}
if (child.children?.length > 0 && isDone) {
@@ -1086,6 +1366,68 @@ export class Package {
}
})
if (!isDone) return isDone;
const useTextures = new Set<string>();
const textureFields = [
"map", "alphaMap", "aoMap", "anisotropyMap", "bumpMap", "clearcoatMap", "clearcoatNormalMap", "clearcoatRoughnessMap",
"displacementMap", "envMap", "emissiveMap", "iridescenceMap", "iridescenceThicknessMap", "lightMap", "sheenColorMap",
"sheenRoughnessMap", "specularColorMap", "specularIntensityMap", "specularMap", "thicknessMap", "transmissionMap",
"metalnessMap", "roughnessMap", "normalMap", "gradientMap"
];
useMaterials.forEach((materialUuid) => {
if (!isDone) return;
const material = this.materialsMap.get(materialUuid);
if (!material) {
isDone = false;
return;
}
if (group.materials?.findIndex((item) => item.uuid === materialUuid) === -1) {
group.materials.push(material);
}
textureFields.forEach((field) => {
const textureUuid = material[field];
if (textureUuid) useTextures.add(textureUuid);
});
});
if (!isDone) return isDone;
const useImages = new Set<string>();
useTextures.forEach((textureUuid) => {
if (!isDone) return;
const texture = this.textureMap.get(textureUuid);
if (!texture) {
isDone = false;
return;
}
if (group.textures?.findIndex((item) => item.uuid === textureUuid) === -1) {
group.textures.push(texture);
}
if (texture.image) useImages.add(texture.image);
});
if (!isDone) return isDone;
useImages.forEach((imageUuid) => {
if (!isDone) return;
if (!this.imagesMap.has(imageUuid)) {
isDone = false;
return;
}
if (group.images?.findIndex((item) => item.uuid === imageUuid) === -1) {
group.images.push(this.imagesMap.get(imageUuid));
}
});
return isDone;
}
@@ -1132,112 +1474,135 @@ export class Package {
}
}
const parseGroupZip = async (file: Blob | Uint8Array | ArrayBuffer) => {
const zip = new JSZip();
let json: GroupJson;
// 几何数据数组
let geometries: Array<any> = [];
const unzipDone = () => {
// 贴图还原至sceneJson
json.images = json.images.map((item) => {
const nameSplit = item.split(".");
if (nameSplit[1] === "env") {
const urlSplit = nameSplit[0].split("!");
return this.imagesMap.get(urlSplit[3])
} else {
return this.imagesMap.get(nameSplit[0])
}
});
// 几何数据还原至sceneJson
json.geometries = geometries;
this.recordUuid(json);
// 遍历children,拉取group zip还原
const children: any = [];
json.object.children.forEach((childUuid) => {
if (typeof childUuid === "string") {
// 保存uuid对应的function
funcMap.set(childUuid, this.unpackGroup);
this.callFunNum.value++;
} else {
children.push(childUuid)
}
})
json.object.children = children;
parse(json);
}
const res = await zip.loadAsync(file as any);
let num = new Proxy({ value: Object.keys(res.files).length }, {
set(target, p, value) {
target[p] = value;
if (value === 0) {
unzipDone();
}
return true;
}
})
for (let key in res.files) {
//判断是否是目录
if (!res.files[key].dir) {
const fileName = res.files[key].name;
//找到我们压缩包所需要的json文件
if (fileName === `${uuid}.json`) { // 场景json
res.file(fileName)?.async('string').then(content => {
json = JSON.parse(content);
num.value--;
})
} else if (fileName.substring(0, 9) === "Textures/") {
if (/\.env$/.test(fileName)) {
// 转换回贴图原始信息,存入map
res.file(fileName)?.async('arraybuffer').then(content => {
this.unGzipImage(fileName.replace("Textures/", ""), content);
num.value--;
})
} else if (/\.ktx2$/i.test(fileName)) {
res.file(fileName)?.async('arraybuffer').then(content => {
const blob = new Blob([content], { type: "image/ktx2" });
const blobUrl = URL.createObjectURL(blob) + `#${fileName.replace("Textures/", "")}`;
this.unGzipImage(fileName.replace("Textures/", ""), blobUrl);
num.value--;
})
} else {
res.file(fileName)?.async('string').then(content => {
this.unGzipImage(fileName.replace("Textures/", ""), content);
num.value--;
})
}
} else if (/^Geometries\/geometries_\d*\.json$/.test(fileName)) {
res.file(fileName)?.async('string').then(content => {
geometries.push(...this.unGzipGeometryJson(JSON.parse(content)));
num.value--;
})
} else {
num.value--;
}
} else {
num.value--;
}
}
}
const getByNetwork = () => {
if (this.offlineFlatPackages) {
const entry = this.offlineFlatPackages.get(uuid);
if (!entry) {
console.error(`[Package] 离线包缺少分包内容: ${uuid}`);
this.callFunNum.value--;
return;
}
this.zipRawFiles(entry).then((zipData) => {
parseGroupZip(zipData);
});
return;
}
if (this.offlineZipMap) {
const fileName = this.normalizeOfflinePackageName(uuid);
const normalizedLowerName = this.normalizeOfflinePackageName(uuid.toLowerCase());
const zipData = this.offlineZipMap.get(fileName) || this.offlineZipMap.get(normalizedLowerName);
if (!zipData) {
console.error(`[Package] 离线包缺少分包: ${fileName}`);
this.callFunNum.value--;
return;
}
parseGroupZip(zipData);
return;
}
Package._fetch(`${this.prefix_url}/${uuid}.zip`, {
onSuccess: (zipRes) => {
const file = zipRes.blob();
const zip = new JSZip();
let json: GroupJson;
// 几何数据数组
let geometries: Array<any> = [];
const unzipDone = () => {
// 贴图还原至sceneJson
json.images = json.images.map((item) => {
const nameSplit = item.split(".");
if (nameSplit[1] === "env") {
const urlSplit = nameSplit[0].split("!");
return this.imagesMap.get(urlSplit[3])
} else {
return this.imagesMap.get(nameSplit[0])
}
});
// 几何数据还原至sceneJson
json.geometries = geometries;
this.recordUuid(json);
// 遍历children,拉取group zip还原
const children: any = [];
json.object.children.forEach((uuid) => {
if (typeof uuid === "string") {
// 保存uuid对应的function
funcMap.set(uuid, this.unpackGroup);
this.callFunNum.value++;
} else {
children.push(uuid)
}
})
json.object.children = children;
//json.object.groupChildren = [...funcMap.keys()];
// 解压处理好的数据添加至 indexDB -> Msy3D -> ${dbTable}
// db.setItem(`${uuid}.zip`, json,dbTable);
parse(json);
}
zip.loadAsync(file as Blob).then(res => {
let num = new Proxy({ value: Object.keys(res.files).length }, {
set(target, p, value) {
target[p] = value;
if (value === 0) {
unzipDone();
}
return true;
}
})
for (let key in res.files) {
//判断是否是目录
if (!res.files[key].dir) {
const fileName = res.files[key].name;
//找到我们压缩包所需要的json文件
if (fileName === `${uuid}.json`) { // 场景json
res.file(fileName)?.async('string').then(content => {
//得到scene.json文件的内容
json = JSON.parse(content);
num.value--;
})
} else if (fileName.substring(0, 9) === "Textures/") {
/**
* 贴图
* 分为两种情况:
* 1.贴图为env格式(type!width!height!uuid.env),转换为arraybuffer格式,存入map
* 2.贴图为普通图片格式,直接存入map
**/
if (/\.env$/.test(fileName)) {
// 转换回贴图原始信息,存入map
res.file(fileName)?.async('arraybuffer').then(content => {
this.unGzipImage(fileName.replace("Textures/", ""), content);
num.value--;
})
} else {
res.file(fileName)?.async('string').then(content => {
this.unGzipImage(fileName.replace("Textures/", ""), content);
num.value--;
})
}
} else if (/^Geometries\/geometries_\d*\.json$/.test(fileName)) {
res.file(fileName)?.async('string').then(content => {
geometries.push(...this.unGzipGeometryJson(JSON.parse(content)));
num.value--;
})
}
} else {
num.value--;
}
}
})
parseGroupZip(zipRes.blob());
}
});
}
@@ -1297,6 +1662,11 @@ export class Package {
this.prefix_url = "";
this.callFunNum = { value: 0 }; // 重置为初始状态
this.totalSize = 0;
this.offlineZipMap = null;
this.offlineEntryZip = null;
this.offlineFlatPackages = null;
this.offlineFlatEntryBase = null;
this.dataComponentMap = null;
// 5. 释放 viewer 引用(注意:不销毁 viewer,仅移除引用)
this.viewer = null as any;