327 lines
9.0 KiB
JavaScript
327 lines
9.0 KiB
JavaScript
import { Buffer } from 'node:buffer';
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import { existsSync, mkdirSync, readFileSync, writeFileSync } from 'node:fs';
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import path from 'node:path';
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import { fileURLToPath } from 'node:url';
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const scriptDir = path.dirname(fileURLToPath(import.meta.url));
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const repoRoot = path.resolve(scriptDir, '..');
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const defaultOutDir = path.join(repoRoot, 'public', 'match3d-style-references');
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const defaultTimeoutMs = 180000;
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const styleTemplates = [
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{
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id: 'flat-icon',
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title: '扁平图标',
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prompt:
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'扁平矢量游戏道具图标风格，干净色块，正面视角，深色清晰轮廓，移动端休闲游戏素材，可读性很强。',
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},
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{
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id: 'cel-cartoon',
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title: '赛璐璐卡通',
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prompt:
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'赛璐璐卡通游戏道具风格，明亮配色，清晰线稿，硬边阴影，边缘干净，像轻松休闲手游里的 2D 素材。',
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},
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{
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id: 'pixel-retro',
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title: '像素复古',
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prompt:
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'复古像素游戏道具素材风格，有限色板，清晰像素边缘，主体轮廓稳定，像 32-bit 休闲游戏图标。',
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},
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{
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id: 'watercolor',
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title: '手绘水彩',
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prompt:
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'手绘水彩游戏道具风格，柔和纸张纹理，透明叠色，边缘轻微晕染，但主体剪影仍然清楚。',
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},
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{
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id: 'sticker-outline',
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title: '贴纸描边',
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prompt:
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'贴纸描边游戏道具素材风格，粗白边，深色外轮廓，柔和投影，色彩活泼，适合休闲消除游戏。',
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},
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{
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id: 'painterly-icon',
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title: '厚涂图标',
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prompt:
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'厚涂游戏道具图标风格，细腻笔触，明确体积光影，中心构图，清晰剪影，适合高品质 2D 道具素材。',
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},
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];
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const args = new Map();
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for (let index = 2; index < process.argv.length; index += 1) {
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const raw = process.argv[index];
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if (!raw.startsWith('--')) {
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continue;
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}
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const next = process.argv[index + 1];
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if (next && !next.startsWith('--')) {
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args.set(raw, next);
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index += 1;
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} else {
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args.set(raw, true);
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}
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}
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function readDotenv(fileName) {
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const filePath = path.join(repoRoot, fileName);
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if (!existsSync(filePath)) {
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return {};
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}
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const values = {};
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for (const line of readFileSync(filePath, 'utf8').split(/\r?\n/u)) {
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const trimmed = line.trim();
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if (!trimmed || trimmed.startsWith('#')) {
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continue;
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}
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const match = /^([A-Za-z_][A-Za-z0-9_]*)=(.*)$/u.exec(trimmed);
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if (!match) {
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continue;
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}
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let value = match[2].trim();
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if (
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(value.startsWith('"') && value.endsWith('"')) ||
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(value.startsWith("'") && value.endsWith("'"))
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) {
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value = value.slice(1, -1);
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}
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values[match[1]] = value;
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}
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return values;
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}
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function resolveEnv() {
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const loaded = {
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...readDotenv('.env.example'),
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...readDotenv('.env.local'),
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...readDotenv('.env.secrets.local'),
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...process.env,
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};
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return {
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baseUrl: String(loaded.VECTOR_ENGINE_BASE_URL || '')
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.trim()
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.replace(/\/+$/u, ''),
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apiKey: String(loaded.VECTOR_ENGINE_API_KEY || '').trim(),
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timeoutMs: Number.parseInt(
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String(loaded.VECTOR_ENGINE_IMAGE_REQUEST_TIMEOUT_MS || defaultTimeoutMs),
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10,
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),
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};
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}
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function buildVectorEngineImagesGenerationUrl(baseUrl) {
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return baseUrl.endsWith('/v1')
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? `${baseUrl}/images/generations`
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: `${baseUrl}/v1/images/generations`;
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}
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function buildPrompt(template) {
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return [
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'请生成一张 1:1 方形抓大鹅入口 2D 素材风格参考图。',
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'画面是一组 5 个小型游戏道具样张，题材统一为水果、甜点、玩具和宝石的混合展示。',
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`整体风格：${template.prompt}`,
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'要求：每个道具都是独立 2D 素材示例，主体集中，轮廓清晰，适合被切成抓大鹅局内物品素材。',
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'构图：浅色干净背景，散点排列，留有呼吸感，不要九宫格边框，不要 UI 面板，不要按钮。',
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'避免：文字、水印、logo、教程标注、真实照片、复杂场景、人物、动物、3D 模型视口、明显透视地面、厚重阴影。',
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].join('');
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}
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function collectStringsByKey(value, targetKey, output) {
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if (Array.isArray(value)) {
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value.forEach((entry) => collectStringsByKey(entry, targetKey, output));
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return;
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}
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if (!value || typeof value !== 'object') {
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return;
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}
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for (const [key, nested] of Object.entries(value)) {
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if (key === targetKey) {
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if (typeof nested === 'string' && nested.trim()) {
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output.push(nested.trim());
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}
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if (Array.isArray(nested)) {
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nested.forEach((entry) => {
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if (typeof entry === 'string' && entry.trim()) {
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output.push(entry.trim());
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}
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});
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}
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}
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collectStringsByKey(nested, targetKey, output);
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}
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}
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function extractImageUrls(payload) {
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const urls = [];
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collectStringsByKey(payload, 'url', urls);
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collectStringsByKey(payload, 'image', urls);
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collectStringsByKey(payload, 'image_url', urls);
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return [...new Set(urls)].filter((url) => /^https?:\/\//u.test(url));
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}
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function extractBase64Images(payload) {
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const values = [];
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collectStringsByKey(payload, 'b64_json', values);
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return values;
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}
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async function fetchWithTimeout(url, options, timeoutMs) {
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const abortController = new AbortController();
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const timer = setTimeout(() => abortController.abort(), timeoutMs);
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try {
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const response = await fetch(url, {
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...options,
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signal: abortController.signal,
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});
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const text = await response.text();
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if (!response.ok) {
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throw new Error(`VectorEngine ${response.status}: ${text.slice(0, 600)}`);
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}
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return text;
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} catch (error) {
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if (error?.name === 'AbortError') {
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throw new Error(`VectorEngine request timed out after ${timeoutMs}ms`);
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}
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throw error;
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} finally {
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clearTimeout(timer);
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}
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}
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async function downloadImage(url, timeoutMs) {
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const abortController = new AbortController();
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const timer = setTimeout(() => abortController.abort(), timeoutMs);
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try {
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const response = await fetch(url, { signal: abortController.signal });
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if (!response.ok) {
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throw new Error(`download ${response.status}`);
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}
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return Buffer.from(await response.arrayBuffer());
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} catch (error) {
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if (error?.name === 'AbortError') {
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throw new Error(
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`Generated image download timed out after ${timeoutMs}ms`,
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);
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}
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throw error;
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} finally {
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clearTimeout(timer);
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}
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}
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async function generateOne(env, template, outDir, size) {
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const requestBody = {
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model: 'gpt-image-2-all',
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prompt: buildPrompt(template),
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n: 1,
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size,
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};
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const payloadText = await fetchWithTimeout(
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buildVectorEngineImagesGenerationUrl(env.baseUrl),
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{
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method: 'POST',
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headers: {
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Authorization: `Bearer ${env.apiKey}`,
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Accept: 'application/json',
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'Content-Type': 'application/json',
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},
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body: JSON.stringify(requestBody),
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},
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env.timeoutMs,
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);
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const payload = JSON.parse(payloadText);
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const urls = extractImageUrls(payload);
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const base64Images = extractBase64Images(payload);
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const imageBytes = urls[0]
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? await downloadImage(urls[0], env.timeoutMs)
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: base64Images[0]
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? Buffer.from(base64Images[0], 'base64')
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: null;
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if (!imageBytes) {
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throw new Error(`VectorEngine returned no image for ${template.id}`);
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}
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mkdirSync(outDir, { recursive: true });
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const outPath = path.join(outDir, `${template.id}.png`);
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writeFileSync(outPath, imageBytes);
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return {
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file: outPath,
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source: urls[0] ? 'url' : 'b64_json',
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};
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}
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const dryRun = args.has('--dry-run') || !args.has('--live');
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const outDir = path.resolve(String(args.get('--out-dir') || defaultOutDir));
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const size = String(args.get('--size') || '1024x1024');
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const onlyIds = String(args.get('--only') || '')
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.split(',')
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.map((value) => value.trim())
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.filter(Boolean);
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const templates = styleTemplates.filter(
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(template) => !onlyIds.length || onlyIds.includes(template.id),
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);
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if (dryRun) {
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console.log(
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JSON.stringify(
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{
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mode: 'dry-run',
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outDir,
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count: templates.length,
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requests: templates.map((template) => ({
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id: template.id,
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title: template.title,
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body: {
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model: 'gpt-image-2-all',
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prompt: buildPrompt(template),
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n: 1,
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size,
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},
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})),
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},
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null,
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2,
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),
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);
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process.exit(0);
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}
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const env = resolveEnv();
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if (!env.baseUrl || !env.apiKey) {
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console.error(
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JSON.stringify({
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ok: false,
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error: 'Missing VECTOR_ENGINE_BASE_URL or VECTOR_ENGINE_API_KEY',
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hasBaseUrl: Boolean(env.baseUrl),
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hasApiKey: Boolean(env.apiKey),
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}),
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);
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process.exit(1);
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}
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const generated = [];
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for (const template of templates) {
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console.log(`Generating ${template.id}...`);
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generated.push({
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id: template.id,
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...(await generateOne(env, template, outDir, size)),
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});
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}
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console.log(
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JSON.stringify(
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{
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ok: true,
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count: generated.length,
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files: generated,
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},
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null,
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2,
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),
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);
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