@dcl/ecs
Version:
Decentraland ECS
53 lines (52 loc) • 2.38 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.PutNetworkComponentOperation = void 0;
const crdtMessageProtocol_1 = require("../crdtMessageProtocol");
const types_1 = require("../types");
/**
* @public
*/
var PutNetworkComponentOperation;
(function (PutNetworkComponentOperation) {
PutNetworkComponentOperation.MESSAGE_HEADER_LENGTH = 20;
/**
* Call this function for an optimal writing data passing the ByteBuffer
* already allocated
*/
function write(entity, timestamp, componentId, networkId, data, buf) {
// reserve the beginning
const startMessageOffset = buf.incrementWriteOffset(types_1.CRDT_MESSAGE_HEADER_LENGTH + PutNetworkComponentOperation.MESSAGE_HEADER_LENGTH);
// write body
buf.writeBuffer(data, false);
const messageLength = buf.currentWriteOffset() - startMessageOffset;
// Write CrdtMessage header
buf.setUint32(startMessageOffset, messageLength);
buf.setUint32(startMessageOffset + 4, types_1.CrdtMessageType.PUT_COMPONENT_NETWORK);
// Write ComponentOperation header
buf.setUint32(startMessageOffset + 8, entity);
buf.setUint32(startMessageOffset + 12, componentId);
buf.setUint32(startMessageOffset + 16, timestamp);
buf.setUint32(startMessageOffset + 20, networkId);
const dataLength = messageLength - PutNetworkComponentOperation.MESSAGE_HEADER_LENGTH - types_1.CRDT_MESSAGE_HEADER_LENGTH;
buf.setUint32(startMessageOffset + 24, dataLength);
}
PutNetworkComponentOperation.write = write;
function read(buf) {
const header = crdtMessageProtocol_1.CrdtMessageProtocol.readHeader(buf);
if (!header) {
return null;
}
if (header.type !== types_1.CrdtMessageType.PUT_COMPONENT_NETWORK) {
throw new Error('PutComponentNetworkOperation tried to read another message type.');
}
return {
...header,
entityId: buf.readUint32(),
componentId: buf.readUint32(),
timestamp: buf.readUint32(),
networkId: buf.readUint32(),
data: buf.readBuffer()
};
}
PutNetworkComponentOperation.read = read;
})(PutNetworkComponentOperation = exports.PutNetworkComponentOperation || (exports.PutNetworkComponentOperation = {}));