通用版本
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/**
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* SpineViewer - 工具模块
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* 该模块为纯 Node.js CommonJS,供 viewer/thumbnail 复用。
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* 职责:
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* - 识别 Spine 导出文件的类型(skel/skel.bytes/json/atlas/atlas.txt/png/jpg/jpeg/webp)
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* - 在同一个目录内自动关联配套的骨骼文件、atlas、贴图
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* - 从骨骼数据中检测 Spine 版本
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* - 根据版本选择合适的本地运行时
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*/
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const fs = require('fs');
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const path = require('path');
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const SKELETON_EXTS = ['.skel', '.skel.bytes', '.json'];
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const ATLAS_EXTS = ['.atlas', '.atlas.txt'];
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const TEXTURE_EXTS = ['.png', '.jpg', '.jpeg', '.webp'];
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const ALL_EXTS = SKELETON_EXTS.concat(ATLAS_EXTS, TEXTURE_EXTS);
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const fileIndexCache = new Map();
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const skeletonJsonCache = new Map();
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const JSON_PROBE_BYTES = 256 * 1024;
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// Spine 导出常见的后缀,匹配时归一化掉
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const SUFFIX_RE = /-(pro|ess|pma|base|atlas|_pma|_pro|_ess)$/i;
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function extOf(name) {
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const lower = name.toLowerCase();
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for (let i = 0; i < SKELETON_EXTS.length; i++) {
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if (lower.endsWith(SKELETON_EXTS[i])) return SKELETON_EXTS[i];
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}
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for (let i = 0; i < ATLAS_EXTS.length; i++) {
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if (lower.endsWith(ATLAS_EXTS[i])) return ATLAS_EXTS[i];
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}
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for (let i = 0; i < TEXTURE_EXTS.length; i++) {
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if (lower.endsWith(TEXTURE_EXTS[i])) return TEXTURE_EXTS[i];
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}
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return null;
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}
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function isSkeletonFile(name) {
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const ext = extOf(name);
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return ext === '.skel' || ext === '.skel.bytes' || ext === '.json';
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}
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function isAtlasFile(name) {
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const ext = extOf(name);
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return ext === '.atlas' || ext === '.atlas.txt';
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}
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function isTextureFile(name) {
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const ext = extOf(name);
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return TEXTURE_EXTS.indexOf(ext) !== -1;
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}
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/** 去掉文件名中的扩展名 */
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function stemOf(name) {
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const ext = extOf(name);
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if (!ext) return name;
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return name.slice(0, name.length - ext.length);
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}
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/** 归一化 stem,去掉 Spine 常见后缀,用于跨文件匹配 */
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function normalizeStem(name) {
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return stemOf(name).toLowerCase().replace(SUFFIX_RE, '');
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}
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/** 从 JSON 文本中读取 spine 版本 */
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function detectVersionFromJson(text) {
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try {
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const json = JSON.parse(text);
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if (json && json.skeleton && json.skeleton.spine) {
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return String(json.skeleton.spine);
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}
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} catch (e) { /* ignore */ }
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return null;
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}
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/** 从二进制数据中读取 spine 版本(扫描前若干字节中的版本号) */
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function detectVersionFromBuffer(buf) {
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let s = '';
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const bytes = new Uint8Array(buf);
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const len = Math.min(bytes.length, 160);
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for (let i = 0; i < len; i++) {
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s += String.fromCharCode(bytes[i]);
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}
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const m = s.match(/(\d+\.\d+(?:\.\d+)?)/);
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return m ? m[1] : null;
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}
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/** 从文件读取 spine 版本 */
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function detectVersion(filePath) {
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const lower = filePath.toLowerCase();
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if (lower.endsWith('.json')) {
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return detectVersionFromJson(fs.readFileSync(filePath, 'utf8'));
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}
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return detectVersionFromBuffer(fs.readFileSync(filePath));
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}
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/**
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* 根据检测到的版本与文件类型,选择本地运行时目录。
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* - 3.4–3.7 二进制通过本地兼容解析器加载,始终使用对应版本运行时
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*/
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function chooseRuntimeDir(version, isBinary) {
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if (!version) return null;
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const major = parseInt(version.split('.')[0], 10);
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if (major === 3) {
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const minor = parseFloat(version);
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if (minor === 3.4) return '3.4';
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if (minor === 3.5) return '3.5';
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if (minor <= 3.6) return '3.6';
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if (minor <= 3.7 + 0.0001) return '3.7';
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return '3.8';
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} else if (major === 4) {
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const minor = parseFloat(version);
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if (minor <= 4.0 + 0.0001) return '4.0';
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if (minor <= 4.1 + 0.0001) return '4.1';
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if (minor <= 4.2 + 0.0001) return '4.2';
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return '4.3';
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}
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return null;
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}
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/**
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* 快速区分 Spine JSON、普通 JSON 和仍在写入的 JSON。
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* 仅以 Spine 官方导出的 `skeleton.spine` 版本字段作为肯定标识;bones/slots 等
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* 通用字段不能证明文件来自 Spine。大文件只探测前 256KB。
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*/
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function classifySkeletonJson(filePath) {
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try {
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const stat = fs.statSync(filePath);
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if (!stat.isFile() || stat.size === 0) return 'pending';
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const signature = stat.size + ':' + Math.round(stat.mtimeMs);
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const cached = skeletonJsonCache.get(filePath);
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if (cached && cached.signature === signature) return cached.kind;
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const length = Math.min(stat.size, JSON_PROBE_BYTES);
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const fd = fs.openSync(filePath, 'r');
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const buffer = Buffer.allocUnsafe(length);
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try { fs.readSync(fd, buffer, 0, length, 0); } finally { fs.closeSync(fd); }
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const text = buffer.toString('utf8');
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const hasSkeletonKey = /"skeleton"\s*:/i.test(text);
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const versionMatch = text.match(/"skeleton"\s*:\s*\{[\s\S]{0,8192}?"spine"\s*:\s*"(\d+\.\d+(?:\.\d+)?(?:[^"\\]|\\.)*)"/i);
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let kind;
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if (versionMatch) {
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kind = 'spine';
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} else if (stat.size > JSON_PROBE_BYTES) {
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kind = 'other';
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} else {
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try {
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JSON.parse(text);
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kind = 'other';
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} catch (e) {
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// 只有已经出现 skeleton 键但文件尚未完整写入时才继续短暂等待。
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// JSONC、配置文件或损坏的普通 JSON 不应进入 Spine 补刷流程。
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kind = hasSkeletonKey ? 'pending' : 'other';
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}
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}
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if (skeletonJsonCache.size > 2048) skeletonJsonCache.clear();
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skeletonJsonCache.set(filePath, { signature, kind });
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return kind;
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} catch (e) {
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return 'pending';
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}
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}
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function looksLikeSkeletonJson(filePath) {
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return classifySkeletonJson(filePath) === 'spine';
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}
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/** 文件修改时间(毫秒) */
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function mtimeOf(fp) {
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try { return fs.statSync(fp).mtimeMs; } catch (e) { return 0; }
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}
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/** 读取某 item 元数据里的创建时间 btime(毫秒),用于按“同一批导入”配对 */
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function btimeOf(fp) {
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const d = itemMeta(path.dirname(fp));
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return (d && d.btime) || 0;
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}
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/**
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* Eagle item 的实际入库时间。
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* metadata.json 的 birthtime 在生成缩略图、修改标签后也不会改变,比素材自身的
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* btime/mtime 更适合判断多个独立 .info 项是否来自同一次拖入。
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*/
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function importTimeOf(fp) {
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try {
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const metaPath = path.join(path.dirname(fp), 'metadata.json');
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const stat = fs.statSync(metaPath);
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return stat.birthtimeMs || stat.ctimeMs || stat.mtimeMs || 0;
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} catch (e) {
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return btimeOf(fp);
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}
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}
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/** 骨骼版本所属家族(3x / 4x),atlas 格式按版本家族区分 */
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function versionFamily(version) {
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if (!version) return null;
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const major = parseInt(version.split('.')[0], 10);
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return major <= 3 ? '3x' : '4x';
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}
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/** 根据 atlas 文本判断其格式家族(3x / 4x) */
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function atlasFamily(atlasText) {
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if (!atlasText) return null;
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// 4.x atlas 用 `bounds:` 定义区域;3.x 用 `xy:`/`size:`/`orig:`/`offset:`。
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// 注意:`scale:` 在 3.x 也会出现(如字体缩放),不能单独作为 4x 依据。
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// 因此以 `bounds:` 作为最可靠的 4.x 标志;若整体含 `xy:` 判定为 3x。
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if (/\bbounds\s*:/.test(atlasText)) return '4x';
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if (/\bxy\s*:/.test(atlasText)) return '3x';
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return '3x';
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}
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/** 读取某 item 文件夹的 metadata.json(含 folders、isDeleted、btime 等) */
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function itemMeta(itemDir) {
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if (!itemDir) return null;
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try {
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return JSON.parse(fs.readFileSync(path.join(itemDir, 'metadata.json'), 'utf8'));
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} catch (e) {
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return null;
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}
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}
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/** 读取某个资产文件所属 item 文件夹的 Eagle 逻辑文件夹 id 列表 */
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function foldersOfItem(filePath) {
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const d = itemMeta(path.dirname(filePath));
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return d && Array.isArray(d.folders) ? d.folders : [];
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}
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/** 判断某 item 是否已被放入 Eagle 回收站(isDeleted) */
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function isItemDeleted(filePath) {
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const d = itemMeta(path.dirname(filePath));
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return !!(d && d.isDeleted);
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}
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/** 从任意 item 路径向上定位 Eagle 库根目录 */
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function findLibraryRoot(filePath) {
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let dir = path.dirname(filePath); // item 文件夹
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for (let i = 0; i < 8; i++) {
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const parent = path.dirname(dir);
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if (parent === dir) break;
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try {
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if (fs.existsSync(path.join(parent, 'metadata.json')) && fs.existsSync(path.join(parent, 'images'))) {
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return parent;
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}
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} catch (e) { /* ignore */ }
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dir = parent;
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}
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return null;
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}
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/** 解析库根 metadata.json,返回 { folderId -> children[] } 及文件夹名 */
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function readFolderInfo(libRoot) {
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const map = {};
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const names = {};
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if (!libRoot) return { map, names };
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try {
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const d = JSON.parse(fs.readFileSync(path.join(libRoot, 'metadata.json'), 'utf8'));
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const folders = d.folders || [];
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for (const f of folders) {
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if (!f) continue;
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map[f.id] = Array.isArray(f.children) ? f.children : [];
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names[f.id] = f.name || '';
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}
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} catch (e) { /* ignore */ }
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return { map, names };
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}
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/**
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* 计算允许匹配的 Eagle 文件夹 id 集合:
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* 仅包含「选中文件所在的文件夹」本身,不下钻子文件夹,也不匹配父级/兄弟文件夹。
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*/
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function getValidFolders(filePath) {
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const itemFolders = foldersOfItem(filePath);
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if (itemFolders.length === 0) return null; // 未归入任何 Eagle 文件夹,则不限定
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return new Set(itemFolders);
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}
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/** 判断目录是否为 Eagle 的 item 元数据文件夹(包含 metadata.json) */
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function isEagleItemDir(dir) {
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try { return fs.existsSync(path.join(dir, 'metadata.json')); } catch (e) { return false; }
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}
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/**
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* 计算需要搜索的目录列表。
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* Eagle 会把导入的每个文件拆分成独立的元数据文件夹(如 `images/<id>.info/`),
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* 因此配套的骨骼/atlas/贴图可能位于不同的 item 文件夹中。
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* 返回:当前 item 文件夹 + 其同级的所有 item 文件夹。
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*/
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function getSearchRoots(filePath) {
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const roots = [];
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const itemDir = path.dirname(filePath);
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roots.push(itemDir);
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if (isEagleItemDir(itemDir)) {
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const parent = path.dirname(itemDir);
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try {
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for (const name of fs.readdirSync(parent)) {
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const sub = path.join(parent, name);
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try {
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if (fs.statSync(sub).isDirectory() && isEagleItemDir(sub)) {
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roots.push(sub);
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}
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} catch (e) { /* ignore */ }
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}
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} catch (e) { /* ignore */ }
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}
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return [...new Set(roots)];
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}
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/** 把库根目录 images/ 下所有 item 文件夹加入搜索根(去重)。
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* 用于覆盖同伴位于不同 .info / 跨批次的情况(全库兜底)。 */
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function buildRootsWithLibraryRoot(filePath, roots) {
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const libRoot = findLibraryRoot(filePath);
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if (!libRoot) return;
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const imagesDir = path.join(libRoot, 'images');
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try {
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if (!fs.existsSync(imagesDir)) return;
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for (const name of fs.readdirSync(imagesDir)) {
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const sub = path.join(imagesDir, name);
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try {
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if (fs.statSync(sub).isDirectory() && isEagleItemDir(sub)) {
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if (roots.indexOf(sub) === -1) roots.push(sub);
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}
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} catch (e) { /* ignore */ }
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}
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} catch (e) { /* ignore */ }
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}
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/**
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* 在多个目录中收集所有 Spine 相关文件,返回 [{ name, fullPath }]。
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* 若传入 validFolders(Eagle 逻辑文件夹 id 集合),则只保留位于这些文件夹内的 item,
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* 从而把匹配范围限定在「选中文件所在的 Eagle 文件夹及其子文件夹」内。
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*/
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function collectSpineFiles(roots, validFolders) {
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const seen = new Set();
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const out = [];
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for (const root of roots) {
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let entries;
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try { entries = fs.readdirSync(root); } catch (e) { continue; }
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for (const name of entries) {
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const full = path.join(root, name);
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try { if (!fs.statSync(full).isFile()) continue; } catch (e) { continue; }
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if (!extOf(name)) continue; // 只关心 Spine 相关扩展
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// 排除 Eagle 回收站中已删除的项
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if (isItemDeleted(full)) continue;
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if (validFolders && validFolders.size) {
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const itemFolders = foldersOfItem(full);
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if (!itemFolders.some((f) => validFolders.has(f))) continue; // 不在允许的文件夹内
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}
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if (seen.has(full)) continue;
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seen.add(full);
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out.push({ name, fullPath: full });
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}
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}
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return out;
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}
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/**
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* 缩略图批量生成时,同一时刻会有很多 atlas/json/skel 回调。对全库文件清单做一个
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* 很短的缓存,下一轮轮询仍会重新扫描,因此既降低大文件夹导入开销,也不会漏掉
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* 正在落盘的新文件。
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*/
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function collectSpineFilesCached(filePath, roots, refresh) {
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const libRoot = findLibraryRoot(filePath);
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// Outside an Eagle library, sibling asset folders are independent search
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// scopes. Sharing their parent as a cache key can return another skeleton.
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const key = libRoot || JSON.stringify([...roots].sort());
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const now = Date.now();
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const cached = fileIndexCache.get(key);
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if (!refresh && cached && now - cached.time < 1500) return cached.files;
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const files = collectSpineFiles(roots, null);
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fileIndexCache.set(key, { time: now, files });
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return files;
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}
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/**
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* 修正不可靠的源路径。
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* Eagle 传给缩略图 handler 的 src 有时指向一个已清理/不存在的 `.info` 目录
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* (例如其内部临时工作目录)。此时按文件名在整个库 images/ 下找到真实存在的
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* 源文件,作为后续资源发现的基准。
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*/
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function resolveRealSource(filePath) {
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// 源目录存在且是有效 item 目录 → 直接用
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const dir = path.dirname(filePath);
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if (isEagleItemDir(dir)) return filePath;
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const name = path.basename(filePath);
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const libRoot = findLibraryRoot(filePath);
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if (!libRoot) return filePath;
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const imagesDir = path.join(libRoot, 'images');
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try {
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if (!fs.existsSync(imagesDir)) return filePath;
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// 优先找“文件名 + 类型”匹配的真实文件。若存在同名文件,返回它所在目录,
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// 以便后续 getSearchRoots/selectBest 能借助其 folders/btime 精确匹配。
|
||||
let fallback = null;
|
||||
for (const d of fs.readdirSync(imagesDir)) {
|
||||
const sub = path.join(imagesDir, d);
|
||||
if (!isEagleItemDir(sub)) continue;
|
||||
const cand = path.join(sub, name);
|
||||
if (fs.existsSync(cand)) {
|
||||
// 优先选择未被删除的项
|
||||
if (!isItemDeleted(cand)) return cand;
|
||||
if (!fallback) fallback = cand;
|
||||
}
|
||||
}
|
||||
if (fallback) return fallback;
|
||||
} catch (e) { /* ignore */ }
|
||||
return filePath;
|
||||
}
|
||||
|
||||
/**
|
||||
* 发现与所选文件 related 的 Spine 资源(跨 Eagle 多个 item 文件夹)。
|
||||
* 返回 { skeletonPath, atlasPath, texturePaths, base, isBinary, ... }
|
||||
* - texturePaths: { atlas 中引用的贴图名 -> 绝对路径 }
|
||||
*/
|
||||
function discoverAssets(filePath, options) {
|
||||
options = options || {};
|
||||
const strictStem = !!options.strictStem;
|
||||
const requestedCrossBatch = !!options.allowCrossBatch;
|
||||
const maxCrossBatchDeltaMs = Math.max(30000, Number(options.maxCrossBatchDeltaMs) || 5 * 60 * 1000);
|
||||
filePath = resolveRealSource(filePath);
|
||||
const selected = path.basename(filePath);
|
||||
const selectedStem = normalizeStem(selected);
|
||||
// 先扫码“选中 item 文件夹 + 同级所有 .info”(精确、不跨批次)。
|
||||
const roots = getSearchRoots(filePath);
|
||||
// 若同级范围无法凑齐骨架+图集(常见于 Eagle 导入瞬间,同伴落在别的 .info),
|
||||
// 则扩展搜索到整个库的 images/ 目录(全库兜底,靠“同家族 + 同文件夹 + 最近 btime”配对)。
|
||||
buildRootsWithLibraryRoot(filePath, roots);
|
||||
|
||||
// 导入时 Eagle 会先创建各个 .info,再异步写 folders。严格模式必须把尚未写入
|
||||
// folders 的同批资源也纳入候选,之后用 metadata.json 的 birthtime 精确配对。
|
||||
const validFolders = getValidFolders(filePath);
|
||||
// 导入瞬间 folders 可能尚未写入。没有明确 Eagle 文件夹 ID 时禁止跨批次,
|
||||
// 否则单独导入的同名 JSON 会借用库中任意旧 atlas 生成错误缩略图。
|
||||
const allowCrossBatch = requestedCrossBatch && !!(validFolders && validFolders.size);
|
||||
const allowedImportDelta = allowCrossBatch ? maxCrossBatchDeltaMs : 30000;
|
||||
let files = collectSpineFiles(roots, validFolders);
|
||||
if (strictStem) {
|
||||
const allFiles = collectSpineFilesCached(filePath, roots, options.refreshIndex);
|
||||
if (allowCrossBatch && validFolders && validFolders.size) {
|
||||
files = allFiles.filter((f) => foldersOfItem(f.fullPath).some((id) => validFolders.has(id)));
|
||||
} else {
|
||||
files = allFiles;
|
||||
}
|
||||
}
|
||||
|
||||
let skeletonFiles = files.filter((f) => isSkeletonFile(f.name));
|
||||
const atlasFiles = files.filter((f) => isAtlasFile(f.name));
|
||||
const textureFiles = files.filter((f) => isTextureFile(f.name));
|
||||
// 导入缩略图始终按同名资源链匹配。先按 stem 缩小候选,再检查 JSON 内容,
|
||||
// 避免每个回调都解析库中所有普通 JSON。
|
||||
if (strictStem) {
|
||||
skeletonFiles = skeletonFiles.filter((f) => normalizeStem(f.name) === selectedStem);
|
||||
}
|
||||
|
||||
// 区分“骨架 json”和“普通 json”:只保留形似骨架的 json
|
||||
const realSkeletonFiles = skeletonFiles.filter((f) => {
|
||||
if (f.name.toLowerCase().endsWith('.json')) return looksLikeSkeletonJson(f.fullPath);
|
||||
return true;
|
||||
});
|
||||
|
||||
// 工具:优先选择与 refFile 同一批入库的候选,再看 Eagle 逻辑文件夹及素材时间。
|
||||
// 这可区分同一文件夹中多次导入的同名 Spine 导出,又不受素材原始时间影响。
|
||||
const selectBest = (cands, refFile) => {
|
||||
if (!cands || cands.length === 0) return null;
|
||||
const refFolders = foldersOfItem(refFile);
|
||||
const refImportTime = importTimeOf(refFile);
|
||||
const refBtime = btimeOf(refFile);
|
||||
const ranked = cands.map((c) => {
|
||||
const cFolders = foldersOfItem(c.fullPath);
|
||||
return {
|
||||
c,
|
||||
importDelta: refImportTime ? Math.abs(importTimeOf(c.fullPath) - refImportTime) : Number.MAX_SAFE_INTEGER,
|
||||
sameFolder: refFolders.length && cFolders.some((f) => refFolders.indexOf(f) !== -1) ? 1 : 0,
|
||||
btimeDelta: refBtime ? Math.abs(btimeOf(c.fullPath) - refBtime) : Number.MAX_SAFE_INTEGER,
|
||||
};
|
||||
});
|
||||
ranked.sort((a, b) => allowCrossBatch
|
||||
? (b.sameFolder - a.sameFolder || a.importDelta - b.importDelta || a.btimeDelta - b.btimeDelta || a.c.fullPath.localeCompare(b.c.fullPath))
|
||||
: (a.importDelta - b.importDelta || b.sameFolder - a.sameFolder || a.btimeDelta - b.btimeDelta || a.c.fullPath.localeCompare(b.c.fullPath))
|
||||
);
|
||||
return ranked[0].c;
|
||||
};
|
||||
|
||||
// 辅助:读取候选 atlas 的格式家族,以及候选骨骼的版本家族
|
||||
const familyOfAtlas = (f) => { try { return atlasFamily(fs.readFileSync(f.fullPath, 'utf8')); } catch (e) { return null; } };
|
||||
const familyOfSkel = (f) => { try { return versionFamily(detectVersion(f.fullPath)); } catch (e) { return null; } };
|
||||
|
||||
// 选中的文件若是 atlas,则读取其格式家族,用于匹配同家族的骨骼
|
||||
const selectedAtlasFamily = isAtlasFile(selected)
|
||||
? (() => { try { return atlasFamily(fs.readFileSync(filePath, 'utf8')); } catch (e) { return null; } })()
|
||||
: null;
|
||||
|
||||
// 1) 骨骼文件
|
||||
let skeleton = null;
|
||||
// 若选中的就是骨骼文件,务必使用它本身(它的版本即最终版本)
|
||||
if (isSkeletonFile(selected)) {
|
||||
skeleton = realSkeletonFiles.find((f) => f.fullPath === filePath) ||
|
||||
realSkeletonFiles.find((f) => f.name === selected) || null;
|
||||
}
|
||||
if (!skeleton) {
|
||||
// 依选中 stem 匹配;优先与选中 atlas 同家族(3x/4x),再按同文件夹/同批导入
|
||||
let cands = realSkeletonFiles.filter((f) => normalizeStem(f.name) === selectedStem);
|
||||
if (selectedAtlasFamily && cands.length > 1) {
|
||||
const same = cands.filter((f) => familyOfSkel(f) === selectedAtlasFamily);
|
||||
if (same.length > 0) cands = same;
|
||||
}
|
||||
skeleton = cands.length > 0 ? selectBest(cands, filePath) : null;
|
||||
}
|
||||
if (!skeleton && realSkeletonFiles.length > 0) {
|
||||
if (strictStem) {
|
||||
skeleton = null;
|
||||
} else {
|
||||
// 忽略 stem:优先与选中 atlas 同家族,再按入库批次选取
|
||||
let cands = realSkeletonFiles;
|
||||
if (selectedAtlasFamily) {
|
||||
const same = cands.filter((f) => familyOfSkel(f) === selectedAtlasFamily);
|
||||
if (same.length > 0) cands = same;
|
||||
}
|
||||
skeleton = selectBest(cands, filePath);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// 2) atlas 文件 —— 优先与骨骼版本家族一致(3x/4x),避免 3.8 骨骼配 4x atlas
|
||||
let atlas = null;
|
||||
if (isAtlasFile(selected)) {
|
||||
atlas = atlasFiles.find((f) => f.fullPath === filePath) ||
|
||||
atlasFiles.find((f) => f.name === selected) || null;
|
||||
}
|
||||
// 统一的候选选择:优先“与骨骼同家族(3x/4x)”的 atlas,再按“同文件夹 + 最近 btime”挑选。
|
||||
// 家族过滤无条件优先,避免 4x 骨骼配到 3x 图集(会导致 UV/坐标错乱)。
|
||||
const pickAtlas = (cands, refFile) => {
|
||||
if (!cands || cands.length === 0) return null;
|
||||
const skelFamily = skeleton ? familyOfSkel(skeleton) : null;
|
||||
if (skelFamily) {
|
||||
const same = cands.filter((f) => familyOfAtlas(f) === skelFamily);
|
||||
if (same.length > 0) cands = same;
|
||||
}
|
||||
return selectBest(cands, refFile);
|
||||
};
|
||||
|
||||
if (!atlas) {
|
||||
let cands = atlasFiles.filter((f) => normalizeStem(f.name) === selectedStem);
|
||||
atlas = pickAtlas(cands, filePath);
|
||||
}
|
||||
if (!atlas && skeleton) {
|
||||
const skelStem = normalizeStem(skeleton.name);
|
||||
let cands = atlasFiles.filter((f) => normalizeStem(f.name) === skelStem);
|
||||
atlas = pickAtlas(cands, skeleton.fullPath);
|
||||
}
|
||||
if (!atlas && skeleton) {
|
||||
if (strictStem) {
|
||||
atlas = null;
|
||||
} else {
|
||||
// 忽略 stem:用与骨骼同家族且同批入库的 atlas
|
||||
atlas = pickAtlas(atlasFiles, skeleton.fullPath);
|
||||
}
|
||||
}
|
||||
if (!atlas && !strictStem && atlasFiles.length === 1) atlas = atlasFiles[0];
|
||||
|
||||
// 严格模式用于导入缩略图:配套骨骼和图集应由同一次拖入创建。若时间差
|
||||
// 过大,说明新同伴还没落盘,返回缺失让调用方继续等待,不能借用旧同名资源。
|
||||
if (strictStem && skeleton && atlas) {
|
||||
const pairDelta = Math.abs(importTimeOf(skeleton.fullPath) - importTimeOf(atlas.fullPath));
|
||||
if (pairDelta > allowedImportDelta) {
|
||||
if (isAtlasFile(selected)) skeleton = null;
|
||||
else atlas = null;
|
||||
}
|
||||
}
|
||||
|
||||
// 3) 解析 atlas 引用的贴图路径(多个同名贴图时,优先与 atlas 同文件夹/同批导入的)
|
||||
let texturePaths = {};
|
||||
if (atlas) {
|
||||
let text = '';
|
||||
try { text = fs.readFileSync(atlas.fullPath, 'utf8'); } catch (e) { /* ignore */ }
|
||||
const pageNames = parseAtlasPages(text);
|
||||
const atlasDir = path.dirname(atlas.fullPath); // atlas 所在 .info 目录
|
||||
for (const pn of pageNames) {
|
||||
// 1) 优先使用 atlas 所在 .info 目录里的同名贴图(最可靠)
|
||||
const inAtlasDir = path.join(atlasDir, pn);
|
||||
if (fs.existsSync(inAtlasDir)) {
|
||||
texturePaths[pn] = inAtlasDir;
|
||||
continue;
|
||||
}
|
||||
// 2) 否则在候选里按“同 Eagle 文件夹 + 最近 btime”挑选
|
||||
let cands = textureFiles.filter((f) => f.name.toLowerCase() === pn.toLowerCase());
|
||||
if (cands.length === 0) cands = textureFiles.filter((f) => normalizeStem(f.name) === normalizeStem(pn));
|
||||
let hit = selectBest(cands, atlas.fullPath);
|
||||
if (strictStem && hit && Math.abs(importTimeOf(hit.fullPath) - importTimeOf(atlas.fullPath)) > allowedImportDelta) hit = null;
|
||||
if (hit) texturePaths[pn] = hit.fullPath;
|
||||
}
|
||||
}
|
||||
|
||||
const base = skeleton ? normalizeStem(skeleton.name) : (atlas ? normalizeStem(atlas.name) : selectedStem);
|
||||
const skelLower = skeleton ? skeleton.name.toLowerCase() : '';
|
||||
const skeletonIsBinary = skelLower.endsWith('.skel') || skelLower.endsWith('.skel.bytes');
|
||||
const chosenFamily = skeleton ? familyOfSkel(skeleton) : (atlas ? familyOfAtlas(atlas) : null);
|
||||
const skeletonTime = skeleton ? importTimeOf(skeleton.fullPath) : 0;
|
||||
const atlasTime = atlas ? importTimeOf(atlas.fullPath) : 0;
|
||||
const relatedSkeletonPaths = skeleton ? realSkeletonFiles.filter((f) =>
|
||||
normalizeStem(f.name) === base &&
|
||||
familyOfSkel(f) === chosenFamily &&
|
||||
Math.abs(importTimeOf(f.fullPath) - skeletonTime) <= allowedImportDelta
|
||||
).map((f) => f.fullPath) : [];
|
||||
const relatedAtlasPaths = atlas ? atlasFiles.filter((f) =>
|
||||
normalizeStem(f.name) === base &&
|
||||
familyOfAtlas(f) === chosenFamily &&
|
||||
Math.abs(importTimeOf(f.fullPath) - atlasTime) <= allowedImportDelta
|
||||
).map((f) => f.fullPath) : [];
|
||||
const relatedDataPaths = [...new Set(relatedSkeletonPaths.concat(relatedAtlasPaths, [filePath]))]
|
||||
.filter((fp) => isSkeletonFile(fp) || isAtlasFile(fp));
|
||||
|
||||
return {
|
||||
skeletonPath: skeleton ? skeleton.fullPath : null,
|
||||
atlasPath: atlas ? atlas.fullPath : null,
|
||||
texturePaths,
|
||||
base,
|
||||
isBinary: skeletonIsBinary,
|
||||
skeletonCandidates: realSkeletonFiles.map((f) => f.name),
|
||||
skeletonCandidatePaths: realSkeletonFiles.map((f) => f.fullPath),
|
||||
atlasCandidates: atlasFiles.map((f) => f.name),
|
||||
atlasCandidatePaths: atlasFiles.map((f) => f.fullPath),
|
||||
textureCandidates: textureFiles.map((f) => f.name),
|
||||
relatedDataPaths,
|
||||
};
|
||||
}
|
||||
|
||||
/** 从 atlas 文本中解析出引用的贴图页面文件名 */
|
||||
function parseAtlasPages(atlasText) {
|
||||
const pages = [];
|
||||
if (!atlasText) return pages;
|
||||
const lines = atlasText.split(/\r?\n/);
|
||||
// atlas 中每个页面以一行“xxx.png”之类的文件名开始
|
||||
for (let i = 0; i < lines.length; i++) {
|
||||
const line = lines[i].trim();
|
||||
if (/\.(png|jpg|jpeg|webp)$/i.test(line)) {
|
||||
pages.push(line);
|
||||
} else if (line === '') {
|
||||
// 空白行之后的下一个非空行可能是下一页文件名
|
||||
continue;
|
||||
}
|
||||
}
|
||||
// 过滤掉显然是属性的行(例如 "size: 512,512"、"filter: " 等)
|
||||
return pages.filter((p) => !/[=,:]/.test(p));
|
||||
}
|
||||
|
||||
/**
|
||||
* 读取 Atlas 页面声明的预乘设置。Spine 4.x 会为每个页面写入
|
||||
* `pma:true/false`;旧版 Atlas 通常没有该字段,此时返回 undefined。
|
||||
* Spine 的一次导出会让所有页面使用同一设置。若遇到手工拼接且声明冲突
|
||||
* 的 Atlas,采用第一个页面的声明,保持与页面/区域读取顺序一致。
|
||||
*/
|
||||
function parseAtlasPma(atlasText) {
|
||||
if (typeof atlasText !== 'string') return undefined;
|
||||
const matches = Array.from(atlasText.matchAll(/^\s*pma\s*:\s*(true|false)\s*$/gim));
|
||||
return matches.length ? matches[0][1].toLowerCase() === 'true' : undefined;
|
||||
}
|
||||
|
||||
/** 找到应在首次预览时使用的皮肤:defaultSkin、名为 default 的皮肤、第一个皮肤。 */
|
||||
function preferredSkin(skeletonData) {
|
||||
if (!skeletonData) return null;
|
||||
if (skeletonData.defaultSkin) return skeletonData.defaultSkin;
|
||||
const skins = skeletonData.skins || [];
|
||||
return skins.find((skin) => skin && skin.name === 'default') || skins[0] || null;
|
||||
}
|
||||
|
||||
/** 应用皮肤并按 setup pose 重新解析槽位附件,跨 Spine 3.4–4.3 使用。 */
|
||||
function applySkin(skeleton, skin) {
|
||||
if (!skeleton || !skin) return false;
|
||||
if (typeof skeleton.setSkin === 'function') skeleton.setSkin(skin);
|
||||
else if (typeof skeleton.setSkinByName === 'function') skeleton.setSkinByName(skin.name);
|
||||
else return false;
|
||||
if (typeof skeleton.setSlotsToSetupPose === 'function') skeleton.setSlotsToSetupPose();
|
||||
else if (typeof skeleton.setToSetupPose === 'function') skeleton.setToSetupPose();
|
||||
return true;
|
||||
}
|
||||
|
||||
module.exports = {
|
||||
SKELETON_EXTS,
|
||||
ATLAS_EXTS,
|
||||
TEXTURE_EXTS,
|
||||
ALL_EXTS,
|
||||
extOf,
|
||||
isSkeletonFile,
|
||||
isAtlasFile,
|
||||
isTextureFile,
|
||||
stemOf,
|
||||
normalizeStem,
|
||||
detectVersion,
|
||||
detectVersionFromJson,
|
||||
detectVersionFromBuffer,
|
||||
chooseRuntimeDir,
|
||||
classifySkeletonJson,
|
||||
looksLikeSkeletonJson,
|
||||
discoverAssets,
|
||||
parseAtlasPages,
|
||||
parseAtlasPma,
|
||||
preferredSkin,
|
||||
applySkin,
|
||||
isEagleItemDir,
|
||||
getSearchRoots,
|
||||
collectSpineFiles,
|
||||
foldersOfItem,
|
||||
findLibraryRoot,
|
||||
readFolderInfo,
|
||||
getValidFolders,
|
||||
mtimeOf,
|
||||
btimeOf,
|
||||
importTimeOf,
|
||||
versionFamily,
|
||||
atlasFamily,
|
||||
itemMeta,
|
||||
isItemDeleted,
|
||||
};
|
||||
Reference in new issue
Block a user