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1362 lines (1278 loc) · 47.8 KB
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'use strict';
/**
* GuaDa Blender — 三方插件入口（Phase 1）
*
* 8 个工具 + 1 个编排技能：
* blender_status / blender_scene_info / blender_run_script / blender_import
* blender_python / blender_preview / blender_render / blender_export
*
* 约束：
* - 零依赖 CommonJS；只使用 onLoad(api) 的公开 PluginApi；
* - 不修改宿主源码；所有路径在插件侧做 workspace 守卫；
* - 每次调用启动独立 Blender 后台进程，不开放控制端口。
*/
const fs = require('node:fs');
const path = require('node:path');
const os = require('node:os');
const {
DEFAULTS,
detectBlender,
resolveExecutable,
getConfig,
saveConfig,
} = require('./lib/config');
const {
workspaceOf,
resolveWorkspacePath,
assertRegularFile,
assertWritableTarget,
} = require('./lib/paths');
const { getVersion, runBlender, runScript } = require('./lib/blender');
const { parseFrames } = require('./lib/frames');
const { HELPERS, UNSUPPORTED, getHelper, getUnsupported } = require('./lib/helpers');
const { detectAndProbe, missingPackages } = require('./lib/python');
const { runHelper, prepareHelperCommand } = require('./lib/helper-runner');
const { clip, spawnToLog, readLogSlice } = require('./lib/process');
const PLUGIN_ID = 'guada-blender';
const PLUGIN_NAME = 'GuaDa Blender';
const VERSION = '0.5.0';
const SUPPORTED_IMPORTS = new Set([
'.glb', '.gltf', '.fbx', '.obj', '.stl', '.usd', '.usda', '.usdc', '.ply', '.dae',
]);
const SUPPORTED_EXPORTS = new Set(['.glb', '.gltf', '.fbx', '.obj', '.stl', '.usd', '.usda', '.usdc', '.ply']);
const IMAGE_EXTS = new Set(['.png', '.jpg', '.jpeg']);
const PREVIEW_VIEWS = ['isometric', 'front', 'back', 'left', 'right', 'top', 'bottom'];
const VALIDATION_PROFILES = ['general', 'web', '3d-print', 'animation'];
const NLS_ZH = {
'settings.title': 'GuaDa Blender',
'settings.desc': 'Blender 3D 建模、检查、预览、渲染与导出',
};
const NLS_EN = {
'settings.title': 'GuaDa Blender',
'settings.desc': 'Blender 3D modeling, inspection, preview, render and export',
};
function json(value) {
return JSON.stringify(value, null, 2);
}
function mediaTypeOf(file) {
const ext = path.extname(file).toLowerCase();
return ext === '.png' ? 'image/png' : 'image/jpeg';
}
function imageRefFor(file) {
return {
url: file,
refType: 'local',
media_type: mediaTypeOf(file),
name: path.basename(file),
};
}
function imageRefsFor(files, max = 8) {
return (files || []).slice(0, max).map(imageRefFor);
}
function imageResult(file, summary) {
return {
content: json(summary),
imageRefs: [imageRefFor(file)],
};
}
function asNumber(value, fallback) {
const n = Number(value);
return Number.isFinite(n) && n > 0 ? n : fallback;
}
function asBool(value) {
return value === true || value === 'true' || value === 1 || value === '1';
}
function ensureExt(target, allowed, label) {
const ext = path.extname(target).toLowerCase();
if (!allowed.has(ext)) {
throw new Error(`${label} has unsupported extension: ${ext || '(none)'}`);
}
return ext;
}
class GuadaBlenderPlugin {
constructor() {
this.manifest = {
id: PLUGIN_ID,
name: PLUGIN_NAME,
version: VERSION,
description: 'Blender 3D 建模、场景检查、预览、渲染与导出工具',
author: 'donggua-zen',
category: 'user',
icon: 'assets/icon.svg',
};
this.api = null;
this.dataDir = null;
this.pluginDir = null;
this.cachedVersion = null;
}
async onLoad(api) {
this.api = api;
this.pluginDir = typeof api.getPluginDir === 'function' ? api.getPluginDir() : path.dirname(__filename);
try {
this.dataDir = typeof api.getDataDir === 'function' ? api.getDataDir() : path.join(os.tmpdir(), PLUGIN_ID);
} catch {
this.dataDir = path.join(os.tmpdir(), PLUGIN_ID);
}
fs.mkdirSync(this.dataDir, { recursive: true });
this.registerNls(api);
this.registerSlot(api);
this.registerSkill(api);
this.registerTools(api);
this.registerRpc(api);
}
async onStart() {
// 预热版本探测（失败不阻塞启用）
try {
const config = await getConfig(this.api);
const { executable } = resolveExecutable(config);
this.cachedVersion = await getVersion(executable, { timeoutMs: 15000 });
} catch {
this.cachedVersion = null;
}
}
async onStop() {}
async onUnload() {}
// ── 注册 ──
registerNls(api) {
if (typeof api.registerNls !== 'function') return;
api.registerNls('zh', NLS_ZH);
api.registerNls('en', NLS_EN);
}
registerSlot(api) {
if (typeof api.registerSlot !== 'function') return;
api.registerSlot({
name: 'settings',
component: 'SettingsPage',
mode: 'list',
order: 70,
meta: { label: '%settings.title%', group: 'plugin' },
});
}
registerSkill(api) {
if (typeof api.registerSkill !== 'function') return;
const skillRoot = path.join(this.pluginDir, 'skills');
if (!fs.existsSync(skillRoot)) return;
// 编排技能 + references/modules 下的 29 个领域技能
const targets = [{ dir: path.join(skillRoot, 'create-3d-model'), orchestration: true }];
const modulesRoot = path.join(skillRoot, 'create-3d-model', 'references', 'modules');
if (fs.existsSync(modulesRoot)) {
for (const entry of fs.readdirSync(modulesRoot, { withFileTypes: true })) {
if (!entry.isDirectory()) continue;
targets.push({ dir: path.join(modulesRoot, entry.name), orchestration: false });
}
}
this.registeredSkills = 0;
for (const target of targets) {
try {
const file = path.join(target.dir, 'SKILL.md');
if (!fs.existsSync(file)) continue;
const raw = fs.readFileSync(file, 'utf8');
const match = /^---\r?\n([\s\S]*?)\r?\n---\r?\n([\s\S]*)$/u.exec(raw);
if (!match) continue;
const name = (/^name:\s*(.+)$/mu.exec(match[1]) || [])[1];
const description = (/^description:\s*(.+)$/mu.exec(match[1]) || [])[1];
if (!name || !description) continue;
api.registerSkill({
name: name.trim(),
description: description.trim(),
content: match[2].trim(),
version: VERSION,
author: 'donggua-zen',
tags: target.orchestration
? ['blender', '3d', 'modeling', 'render']
: ['blender', '3d', 'module'],
resourceBase: { kind: 'directory', path: target.dir },
});
this.registeredSkills++;
} catch (err) {
// 单个技能失败不阻断插件加载
this.skillErrors = (this.skillErrors || 0) + 1;
}
}
}
// ── 工具 ──
registerTools(api) {
api.registerTool(this.toolStatus());
api.registerTool(this.toolSceneInfo());
api.registerTool(this.toolRunScript());
api.registerTool(this.toolImport());
api.registerTool(this.toolPython());
api.registerTool(this.toolPreview());
api.registerTool(this.toolRender());
api.registerTool(this.toolRenderFrames());
api.registerTool(this.toolExport());
api.registerTool(this.toolValidateScene());
api.registerTool(this.toolValidateExport());
api.registerTool(this.toolHelperCatalog());
api.registerTool(this.toolHelperRun());
}
async prepare(ctx) {
const config = await getConfig(this.api);
const { executable, source } = resolveExecutable(config);
return { config, executable, source, workspace: workspaceOf(ctx && ctx.session) };
}
/**
* 后台执行一个 Blender 进程，登记为宿主 job。
* 返回 { jobId, logFilePath }；调用方用 job_read / job_stop 管理。
*/
startBlenderJob(options) {
const { executable, args, config, workspace, label, signal, sessionId } = options;
if (!this.api || typeof this.api.startJob !== 'function') {
throw new Error('background jobs are not supported by this host');
}
// 先校验会话，避免"进程已起、job 没登记"的孤儿
if (!sessionId) {
throw new Error(
'background mode requires a session context (sessionId); run in the foreground instead',
);
}
const jobDir = path.join(this.dataDir, 'jobs');
const logFilePath = path.join(
jobDir,
`${Date.now()}-${Math.random().toString(36).slice(2, 8)}.log`,
);
const handle = spawnToLog(executable, args, {
cwd: workspace,
logFilePath,
timeoutMs: config.timeoutMs,
signal,
});
const jobId = this.api.startJob(
{
label,
logFilePath,
notify: true,
read: (opts) => readLogSlice(logFilePath, opts),
cancel: () => handle.kill(),
done: handle.done.then((outcome) => ({
status: outcome.status,
exitCode: outcome.exitCode,
detail: outcome.detail,
})),
},
sessionId,
);
return { jobId, logFilePath, handle };
}
/**
* 构造后台渲染的 Blender 参数（与 runBlender 的 driver 调用一致）。
*/
buildDriverArgs(operation, payloadPath, resultPath, blendPath) {
const args = blendPath
? [blendPath, '--background']
: ['--background', '--factory-startup'];
args.push(
'--disable-autoexec',
'--python-exit-code',
'1',
'--python',
path.join(this.pluginDir, 'scripts', 'blender_driver.py'),
'--',
'--operation',
operation,
'--payload',
payloadPath,
'--result',
resultPath,
);
return args;
}
toolStatus() {
return {
name: 'blender_status',
description:
'检查 Blender 是否可用、版本、当前 workspace 与插件配置。首次建模前先调用。',
parameters: {},
readOnly: true,
dangerLevel: 'safe',
display: { icon: 'info', text: { executing: '检查 Blender', completed: 'Blender 检查完成' } },
execute: async (_args, ctx, signal) => {
const workspace = workspaceOf(ctx && ctx.session);
let config;
let executable = '';
let source = '';
try {
config = await getConfig(this.api);
const resolved = resolveExecutable(config);
executable = resolved.executable;
source = resolved.source;
} catch (err) {
return {
content: json({
available: false,
workspace,
error: err.message,
hint: '在 设置 → GuaDa Blender 中填写 blender 可执行文件路径',
}),
};
}
const version = await getVersion(executable, {
timeoutMs: Math.min(config.timeoutMs, 15000),
signal,
});
const analysis = await detectAndProbe({
analysisPythonExecutable: config.analysisPythonExecutable,
blenderExecutable: executable,
timeoutMs: Math.min(config.timeoutMs, 15000),
signal,
});
return {
content: json({
available: version.available,
executable,
executableSource: source,
version: version.version,
error: version.error || undefined,
workspace,
pythonEnabled: config.enablePython !== false,
analysis: {
available: analysis.available,
executable: analysis.executable,
source: analysis.source,
version: analysis.version,
packages: analysis.packages,
error: analysis.error || undefined,
},
helpers: {
enabled: config.enableHelpers !== false,
count: HELPERS.length,
},
skills: this.registeredSkills || 0,
config,
}),
};
},
};
}
toolSceneInfo() {
return {
name: 'blender_scene_info',
description:
'只读检查 .blend 场景；传 object_name 时返回该对象的详细几何/材质/UV/修改器/动画信息。',
parameters: {
blend_path: { type: 'string', required: true, description: 'workspace 内的 .blend 路径' },
object_name: { type: 'string', required: false, description: '可选：只看某个对象' },
max_objects: { type: 'number', required: false, description: '场景对象上限，默认 200' },
},
readOnly: true,
dangerLevel: 'safe',
display: { icon: 'scene', argsKey: 'blend_path' },
execute: async (args, ctx, signal) => {
const { config, executable, workspace } = await this.prepare(ctx);
const blend = await resolveWorkspacePath(args.blend_path, ctx && ctx.session, config, {
mustExist: true,
kind: 'blend_path',
});
await assertRegularFile(blend, 'blend_path');
ensureExt(blend, new Set(['.blend']), 'blend_path');
const operation = args.object_name ? 'inspect_object' : 'inspect';
const payload = args.object_name
? { object_names: [String(args.object_name)], evaluated: true }
: { max_objects: asNumber(args.max_objects, 200) };
const result = await runBlender({
executable,
operation,
payload,
blendPath: blend,
config,
cwd: workspace,
signal,
});
return { content: json(result) };
},
};
}
toolRunScript() {
return {
name: 'blender_run_script',
description:
'在 Blender 后台运行 workspace 内的 .py 脚本（等价 blender --background --python）。脚本内部的文件读写不受工具参数守卫限制。',
parameters: {
script_path: { type: 'string', required: true, description: 'workspace 内的 .py 脚本路径' },
script_args: { type: 'string', required: false, description: '可选：传给脚本的参数，空格分隔' },
},
dangerLevel: 'high',
display: { icon: 'code', argsKey: 'script_path' },
execute: async (args, ctx, signal) => {
const { config, executable, workspace } = await this.prepare(ctx);
if (config.enablePython === false) {
throw new Error('blender_run_script is disabled by plugin config (enablePython=false)');
}
const script = await resolveWorkspacePath(args.script_path, ctx && ctx.session, config, {
mustExist: true,
kind: 'script_path',
});
await assertRegularFile(script, 'script_path');
ensureExt(script, new Set(['.py']), 'script_path');
const scriptArgs = String(args.script_args || '')
.split(/\s+/)
.map((s) => s.trim())
.filter(Boolean);
const result = await runScript({
executable,
scriptPath: script,
scriptArgs,
config,
cwd: workspace,
signal,
});
if (result.code !== 0 || result.timedOut || result.aborted) {
const reason = result.timedOut
? 'timed out'
: result.aborted
? 'aborted'
: `exit ${result.code}`;
throw new Error(
`blender_run_script failed (${reason})\n${clip(
`${result.stdout}\n${result.stderr}`.trim(),
config.maxOutputChars,
)}`,
);
}
return {
content: json({
scriptPath: script,
code: result.code,
durationMs: result.durationMs,
stdout: result.stdout,
stderr: result.stderr,
}),
};
},
};
}
toolImport() {
return {
name: 'blender_import',
description:
'把 GLB/glTF、FBX、OBJ、STL、USD、PLY、DAE 导入干净场景并保存为新的 .blend。',
parameters: {
source_path: { type: 'string', required: true, description: 'workspace 内的模型文件' },
save_path: { type: 'string', required: true, description: '新的 .blend 输出路径' },
allow_overwrite: { type: 'boolean', required: false, description: '允许覆盖已有输出，默认 false' },
},
dangerLevel: 'normal',
display: { icon: 'import', argsKey: 'source_path' },
execute: async (args, ctx, signal) => {
const { config, executable, workspace } = await this.prepare(ctx);
const source = await resolveWorkspacePath(args.source_path, ctx && ctx.session, config, {
mustExist: true,
kind: 'source_path',
});
await assertRegularFile(source, 'source_path');
ensureExt(source, SUPPORTED_IMPORTS, 'source_path');
const save = await resolveWorkspacePath(args.save_path, ctx && ctx.session, config, {
kind: 'save_path',
});
ensureExt(save, new Set(['.blend']), 'save_path');
await assertWritableTarget(save, asBool(args.allow_overwrite), 'save_path');
const result = await runBlender({
executable,
operation: 'import',
payload: { source_path: source, output_path: save },
config,
cwd: workspace,
signal,
});
const info = await assertRegularFile(save, 'import output');
return {
content: json({
sourcePath: source,
blendPath: save,
bytes: info.size,
importedObjects: result.imported_objects || [],
scene: result.scene,
log: result.log,
}),
};
},
};
}
toolPython() {
return {
name: 'blender_python',
description:
'执行一小段 bpy/bmesh Python 并保存为新的 .blend。脚本可使用 bpy/bmesh/mathutils/workspace/input_path/output_path，并可设置 dsh_result 返回证据。',
parameters: {
script: { type: 'string', required: true, description: '要执行的 Python 代码' },
save_path: { type: 'string', required: true, description: '新的 .blend 输出路径' },
blend_path: { type: 'string', required: false, description: '可选：基于已有 .blend 修改' },
allow_overwrite: { type: 'boolean', required: false, description: '允许覆盖已有输出，默认 false' },
},
dangerLevel: 'high',
display: { icon: 'code', argsKey: 'save_path' },
execute: async (args, ctx, signal) => {
const { config, executable, workspace } = await this.prepare(ctx);
if (config.enablePython === false) {
throw new Error('blender_python is disabled by plugin config (enablePython=false)');
}
let blend;
if (args.blend_path) {
blend = await resolveWorkspacePath(args.blend_path, ctx && ctx.session, config, {
mustExist: true,
kind: 'blend_path',
});
await assertRegularFile(blend, 'blend_path');
ensureExt(blend, new Set(['.blend']), 'blend_path');
}
const save = await resolveWorkspacePath(args.save_path, ctx && ctx.session, config, {
kind: 'save_path',
});
ensureExt(save, new Set(['.blend']), 'save_path');
await assertWritableTarget(save, asBool(args.allow_overwrite), 'save_path');
const result = await runBlender({
executable,
operation: 'execute',
payload: {
workspace,
input_path: blend || '',
output_path: save,
script: String(args.script || ''),
},
blendPath: blend,
config,
cwd: workspace,
signal,
});
const info = await assertRegularFile(save, 'python output');
return {
content: json({
blendPath: save,
bytes: info.size,
scene: result.scene,
scriptResult: result.script_result,
log: result.log,
}),
};
},
};
}
toolPreview() {
return {
name: 'blender_preview',
description:
'为 .blend 生成临时相机+灯光的预览图（不修改源文件）；成功后用 image_view 看图再判断。',
parameters: {
blend_path: { type: 'string', required: true, description: 'workspace 内的 .blend' },
output_path: { type: 'string', required: true, description: '新的 .png/.jpg 输出路径' },
view: {
type: 'string',
required: false,
enum: PREVIEW_VIEWS,
description: '视角，默认 isometric',
},
width: { type: 'number', required: false, description: '宽度，默认 512' },
height: { type: 'number', required: false, description: '高度，默认 512' },
samples: { type: 'number', required: false, description: '渲染采样数，默认 32' },
transparent: { type: 'boolean', required: false, description: '透明背景' },
object_names: { type: 'string', required: false, description: '可选：只框选这些对象，逗号分隔' },
allow_overwrite: { type: 'boolean', required: false, description: '允许覆盖已有输出' },
},
dangerLevel: 'normal',
display: { icon: 'image', argsKey: 'output_path' },
execute: async (args, ctx, signal) => {
const { config, executable, workspace } = await this.prepare(ctx);
const blend = await resolveWorkspacePath(args.blend_path, ctx && ctx.session, config, {
mustExist: true,
kind: 'blend_path',
});
await assertRegularFile(blend, 'blend_path');
const output = await resolveWorkspacePath(args.output_path, ctx && ctx.session, config, {
kind: 'output_path',
});
ensureExt(output, IMAGE_EXTS, 'output_path');
await assertWritableTarget(output, asBool(args.allow_overwrite), 'output_path');
const objects = String(args.object_names || '')
.split(',')
.map((s) => s.trim())
.filter(Boolean);
const result = await runBlender({
executable,
operation: 'preview',
payload: {
output_path: output,
view: PREVIEW_VIEWS.includes(args.view) ? args.view : 'isometric',
width: asNumber(args.width, 512),
height: asNumber(args.height, 512),
samples: asNumber(args.samples, 32),
transparent: asBool(args.transparent),
object_names: objects.length ? objects : undefined,
},
blendPath: blend,
config,
cwd: workspace,
signal,
});
const info = await assertRegularFile(output, 'preview output');
return imageResult(output, {
imagePath: output,
bytes: info.size,
view: result.view,
bounds: result.bounds,
log: result.log,
});
},
};
}
toolRender() {
return {
name: 'blender_render',
description:
'用场景当前相机渲染一帧 PNG/JPEG；成功后用 image_view 看图再判断。',
parameters: {
blend_path: { type: 'string', required: true, description: 'workspace 内的 .blend' },
output_path: { type: 'string', required: true, description: '新的 .png/.jpg 输出路径' },
frame: { type: 'number', required: false, description: '可选：帧号' },
width: { type: 'number', required: false, description: '宽度，默认 960' },
height: { type: 'number', required: false, description: '高度，默认 960' },
samples: { type: 'number', required: false, description: '渲染采样数，默认 64' },
transparent: { type: 'boolean', required: false, description: '透明背景' },
camera: { type: 'string', required: false, description: '可选：相机对象名' },
allow_overwrite: { type: 'boolean', required: false, description: '允许覆盖已有输出' },
run_in_background: {
type: 'boolean',
required: false,
description: '后台执行并返回 jobId（用 job_read/job_stop 管理），默认 false',
},
},
dangerLevel: 'normal',
display: { icon: 'image', argsKey: 'output_path' },
execute: async (args, ctx, signal) => {
const { config, executable, workspace } = await this.prepare(ctx);
const blend = await resolveWorkspacePath(args.blend_path, ctx && ctx.session, config, {
mustExist: true,
kind: 'blend_path',
});
await assertRegularFile(blend, 'blend_path');
const output = await resolveWorkspacePath(args.output_path, ctx && ctx.session, config, {
kind: 'output_path',
});
ensureExt(output, IMAGE_EXTS, 'output_path');
await assertWritableTarget(output, asBool(args.allow_overwrite), 'output_path');
const payload = {
output_path: output,
frame: args.frame === undefined ? undefined : asNumber(args.frame, 1),
width: asNumber(args.width, 960),
height: asNumber(args.height, 960),
samples: asNumber(args.samples, 64),
transparent: asBool(args.transparent),
camera: args.camera ? String(args.camera) : undefined,
};
if (asBool(args.run_in_background)) {
const tempDir = await fs.promises.mkdtemp(
path.join(os.tmpdir(), 'guada-blender-job-'),
);
const payloadPath = path.join(tempDir, 'payload.json');
const resultPath = path.join(tempDir, 'result.json');
await fs.promises.writeFile(payloadPath, JSON.stringify(payload), 'utf8');
const { jobId, logFilePath } = this.startBlenderJob({
executable,
args: this.buildDriverArgs('render', payloadPath, resultPath, blend),
config,
workspace,
label: `blender_render: ${path.basename(output)}`,
signal,
sessionId: ctx && ctx.session && ctx.session.sessionId,
});
return {
content: json({
jobId,
logFilePath,
outputPath: output,
note: 'running in background; use job_read to follow progress',
}),
};
}
const result = await runBlender({
executable,
operation: 'render',
payload,
blendPath: blend,
config,
cwd: workspace,
signal,
});
const info = await assertRegularFile(output, 'render output');
return imageResult(output, {
imagePath: output,
bytes: info.size,
frame: result.frame,
log: result.log,
});
},
};
}
toolRenderFrames() {
return {
name: 'blender_render_frames',
description:
'按帧号批量渲染 PNG/JPEG（动画代表帧/序列帧）。frames 支持 "1,3,5-7"，单次最多 120 帧。',
parameters: {
blend_path: { type: 'string', required: true, description: 'workspace 内的 .blend' },
output_dir: { type: 'string', required: true, description: 'workspace 内的输出目录（自动创建）' },
frames: { type: 'string', required: true, description: '帧号表达式，如 "1,3,5-7"' },
format: { type: 'string', required: false, description: 'png（默认）或 jpg' },
prefix: { type: 'string', required: false, description: '文件名前缀，默认 frame' },
width: { type: 'number', required: false, description: '宽度，默认 640' },
height: { type: 'number', required: false, description: '高度，默认 640' },
samples: { type: 'number', required: false, description: '采样数，默认 32' },
camera: { type: 'string', required: false, description: '可选：相机对象名' },
allow_overwrite: { type: 'boolean', required: false, description: '允许覆盖已有帧文件' },
run_in_background: {
type: 'boolean',
required: false,
description: '后台执行并返回 jobId（用 job_read/job_stop 管理），默认 false',
},
},
dangerLevel: 'normal',
display: { icon: 'image', argsKey: 'frames' },
execute: async (args, ctx, signal) => {
const { config, executable, workspace } = await this.prepare(ctx);
const blend = await resolveWorkspacePath(args.blend_path, ctx && ctx.session, config, {
mustExist: true,
kind: 'blend_path',
});
await assertRegularFile(blend, 'blend_path');
ensureExt(blend, new Set(['.blend']), 'blend_path');
const outDir = await resolveWorkspacePath(args.output_dir, ctx && ctx.session, config, {
kind: 'output_dir',
});
const frames = parseFrames(args.frames);
await fs.promises.mkdir(outDir, { recursive: true });
const format = String(args.format || 'png').toLowerCase() === 'jpg' ? 'jpg' : 'png';
const prefix =
String(args.prefix || 'frame').replace(/[^A-Za-z0-9._-]/g, '_') || 'frame';
const files = frames.map((frame) =>
path.join(outDir, `${prefix}-${String(frame).padStart(6, '0')}.${format}`),
);
if (!asBool(args.allow_overwrite)) {
const conflicts = files.filter((file) => fs.existsSync(file));
if (conflicts.length > 0) {
throw new Error(
`render frames would overwrite ${conflicts.length} file(s): ${conflicts
.slice(0, 3)
.join(', ')} (set allow_overwrite=true to replace)`,
);
}
}
const payload = {
frames,
output_dir: outDir,
format,
prefix,
width: asNumber(args.width, 640),
height: asNumber(args.height, 640),
samples: asNumber(args.samples, 32),
camera: args.camera ? String(args.camera) : undefined,
};
if (asBool(args.run_in_background)) {
const tempDir = await fs.promises.mkdtemp(
path.join(os.tmpdir(), 'guada-blender-job-'),
);
const payloadPath = path.join(tempDir, 'payload.json');
const resultPath = path.join(tempDir, 'result.json');
await fs.promises.writeFile(payloadPath, JSON.stringify(payload), 'utf8');
const { jobId, logFilePath } = this.startBlenderJob({
executable,
args: this.buildDriverArgs('render_frames', payloadPath, resultPath, blend),
config,
workspace,
label: `blender_render_frames: ${frames.length} frame(s)`,
signal,
sessionId: ctx && ctx.session && ctx.session.sessionId,
});
return {
content: json({
jobId,
logFilePath,
outputDir: outDir,
frames,
note: 'running in background; use job_read with the job id to follow progress, job_stop to cancel',
}),
};
}
const result = await runBlender({
executable,
operation: 'render_frames',
payload,
blendPath: blend,
config,
cwd: workspace,
signal,
});
const imagePaths =
Array.isArray(result.image_paths) && result.image_paths.length > 0
? result.image_paths
: files;
return {
content: json({
outputDir: outDir,
frames,
imagePaths,
imageCount: imagePaths.length,
log: result.log,
}),
imageRefs: imageRefsFor(imagePaths, 8),
};
},
};
}
toolExport() {
return {
name: 'blender_export',
description:
'把 .blend 导出为 GLB/glTF、FBX、OBJ、STL、USD 或 PLY；扩展名决定格式。',
parameters: {
blend_path: { type: 'string', required: true, description: 'workspace 内的 .blend' },
output_path: { type: 'string', required: true, description: '导出路径（扩展名决定格式）' },
selection_only: { type: 'boolean', required: false, description: '只导出选中对象' },
allow_overwrite: { type: 'boolean', required: false, description: '允许覆盖已有输出' },
},
dangerLevel: 'normal',
display: { icon: 'export', argsKey: 'output_path' },
execute: async (args, ctx, signal) => {
const { config, executable, workspace } = await this.prepare(ctx);
const blend = await resolveWorkspacePath(args.blend_path, ctx && ctx.session, config, {
mustExist: true,
kind: 'blend_path',
});
await assertRegularFile(blend, 'blend_path');
const output = await resolveWorkspacePath(args.output_path, ctx && ctx.session, config, {
kind: 'output_path',
});
ensureExt(output, SUPPORTED_EXPORTS, 'output_path');
await assertWritableTarget(output, asBool(args.allow_overwrite), 'output_path');
const result = await runBlender({
executable,
operation: 'export',
payload: {
output_path: output,
selection_only: asBool(args.selection_only),
},
blendPath: blend,
config,
cwd: workspace,
signal,
});
const info = await assertRegularFile(output, 'export output');
return {
content: json({
modelPath: output,
format: result.format,
bytes: info.size,
log: result.log,
}),
};
},
};
}
toolValidateScene() {
return {
name: 'blender_validate_scene',
description:
'对 .blend 做非破坏性结构审计（拓扑/非流形/松散点/UV/材质/变换/动画）。profile: general、web、3d-print、animation。errors 非空时工具结果标记为失败。',
parameters: {
blend_path: { type: 'string', required: true, description: 'workspace 内的 .blend' },
profile: {
type: 'string',
required: false,
enum: VALIDATION_PROFILES,
description: '审计目标，默认 general',
},
object_names: {
type: 'string',
required: false,
description: '可选：只审这些对象，逗号分隔；缺省全场景',
},
},
readOnly: true,
dangerLevel: 'safe',
display: { icon: 'check', argsKey: 'blend_path' },
execute: async (args, ctx, signal) => {
const { config, executable, workspace } = await this.prepare(ctx);
const blend = await resolveWorkspacePath(args.blend_path, ctx && ctx.session, config, {
mustExist: true,
kind: 'blend_path',
});
await assertRegularFile(blend, 'blend_path');
ensureExt(blend, new Set(['.blend']), 'blend_path');
const profile = args.profile ? String(args.profile) : 'general';
if (!VALIDATION_PROFILES.includes(profile)) {
throw new Error(`profile must be one of: ${VALIDATION_PROFILES.join(', ')}`);
}
const objectNames = String(args.object_names || '')
.split(',')
.map((s) => s.trim())
.filter(Boolean);
const result = await runBlender({
executable,
operation: 'validate_scene',
payload: { profile, object_names: objectNames },
blendPath: blend,
config,
cwd: workspace,
signal,
});
return {
content: json({
blendPath: blend,
profile,
passed: result.passed,
errors: result.errors || [],
warnings: result.warnings || [],
objects: result.objects || [],
scene: result.scene,
log: result.log,
}),
isError: result.passed !== true,
};
},
};
}
toolValidateExport() {