/
OBJLoader2Worker.ts
142 lines (120 loc) · 4.97 KB
/
OBJLoader2Worker.ts
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import {
applyProperties,
comRouting,
AssociatedArrayType,
DataPayload,
WorkerTaskCommandResponse,
WorkerTaskMessage,
WorkerTaskWorker
} from 'wtd-core';
import {
OBJLoader2Parser
} from '../OBJLoader2Parser.js';
type LocalData = {
debugLogging: boolean;
params: AssociatedArrayType<unknown | string | object>;
buffer?: ArrayBufferLike;
materialNames: Set<string>;
}
class OBJLoader2Worker implements WorkerTaskWorker {
private localData: LocalData = {
params: {},
debugLogging: false,
materialNames: new Set<string>()
};
initParser(wtm: WorkerTaskMessage) {
const parser = new OBJLoader2Parser();
parser._onAssetAvailable = preparedMesh => {
const dataPayload = new DataPayload();
if (!dataPayload.message.params) {
dataPayload.message.params = {};
}
dataPayload.message.params.preparedMesh = preparedMesh;
if (preparedMesh.vertexFA !== null) {
dataPayload.message.buffers?.set('vertexFA', preparedMesh.vertexFA);
}
if (preparedMesh.normalFA !== null) {
dataPayload.message.buffers?.set('normalFA', preparedMesh.normalFA);
}
if (preparedMesh.uvFA !== null) {
dataPayload.message.buffers?.set('uvFA', preparedMesh.uvFA);
}
if (preparedMesh.colorFA !== null) {
dataPayload.message.buffers?.set('colorFA', preparedMesh.colorFA);
}
if (preparedMesh.indexUA !== null) {
dataPayload.message.buffers?.set('indexUA', preparedMesh.indexUA);
}
const intermediateMessage = WorkerTaskMessage.createFromExisting(wtm, {
overrideCmd: WorkerTaskCommandResponse.INTERMEDIATE_CONFIRM,
});
intermediateMessage.addPayload(dataPayload);
intermediateMessage.progress = preparedMesh.progress;
const transferables = WorkerTaskMessage.pack(intermediateMessage.payloads, false);
self.postMessage(intermediateMessage, transferables);
};
parser._onLoad = () => {
const execMessage = WorkerTaskMessage.createFromExisting(wtm, {
overrideCmd: WorkerTaskCommandResponse.EXECUTE_COMPLETE
});
// no packing required as no Transferables here
self.postMessage(execMessage);
};
parser._onProgress = text => {
if (parser?.isDebugLoggingEnabled()) {
console.debug('WorkerRunner: progress: ' + text);
}
};
return parser;
}
init(message: WorkerTaskMessage) {
const wtm = this.processMessage(message);
if (this.localData.debugLogging) {
console.log(`OBJLoader2Worker#init: name: ${message.name} id: ${message.uuid} cmd: ${message.cmd} workerId: ${message.workerId}`);
}
const initComplete = WorkerTaskMessage.createFromExisting(wtm, {
overrideCmd: WorkerTaskCommandResponse.INIT_COMPLETE
});
self.postMessage(initComplete);
}
execute(message: WorkerTaskMessage) {
this.processMessage(message);
const parser = this.initParser(message);
// apply previously stored parameters (init or execute)
applyProperties(parser, this.localData.params, false);
if (this.localData.materialNames) {
parser?.setMaterialNames(this.localData.materialNames);
}
if (parser.isDebugLoggingEnabled()) {
console.log(`OBJLoader2Worker#execute: name: ${message.name} id: ${message.uuid} cmd: ${message.cmd} workerId: ${message.workerId}`);
}
if (this.localData.buffer) {
parser.execute(this.localData.buffer);
}
else {
self.postMessage(new Error('No ArrayBuffer was provided for parsing.'));
}
}
private processMessage(message: WorkerTaskMessage) {
const wtm = WorkerTaskMessage.unpack(message, false);
const dataPayload = wtm.payloads[0] as DataPayload;
applyProperties(this.localData.params, dataPayload.message.params, true);
const modelData = dataPayload.message.buffers?.get('modelData');
if (modelData) {
this.localData.buffer = modelData;
}
if (dataPayload.message.params) {
if (dataPayload.message.params.materialNames) {
this.localData.materialNames = dataPayload.message.params.materialNames as Set<string>;
}
}
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const logging = this.localData.params?.logging as any ?? {};
if (Object.hasOwn(logging, 'enabled') && Object.hasOwn(logging, 'debug')) {
this.localData.debugLogging = logging.enabled === true && logging.debug === true;
}
return wtm;
}
}
const worker = new OBJLoader2Worker();
self.onmessage = message => comRouting(worker, message);