880 lines
21 KiB
TypeScript
880 lines
21 KiB
TypeScript
export interface Point {
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x?: number;
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y?: number;
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count?: number;
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}
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export function encodePoint(message: Point): Uint8Array {
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let bb = popByteBuffer();
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_encodePoint(message, bb);
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return toUint8Array(bb);
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}
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function _encodePoint(message: Point, bb: ByteBuffer): void {
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// optional float x = 1;
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let $x = message.x;
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if ($x !== undefined) {
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writeVarint32(bb, 13);
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writeFloat(bb, $x);
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}
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// optional float y = 2;
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let $y = message.y;
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if ($y !== undefined) {
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writeVarint32(bb, 21);
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writeFloat(bb, $y);
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}
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// optional int32 count = 3;
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let $count = message.count;
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if ($count !== undefined) {
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writeVarint32(bb, 24);
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writeVarint64(bb, intToLong($count));
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}
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}
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export function decodePoint(binary: Uint8Array): Point {
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return _decodePoint(wrapByteBuffer(binary));
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}
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function _decodePoint(bb: ByteBuffer): Point {
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let message: Point = {} as any;
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end_of_message: while (!isAtEnd(bb)) {
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let tag = readVarint32(bb);
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switch (tag >>> 3) {
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case 0:
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break end_of_message;
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// optional float x = 1;
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case 1: {
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message.x = readFloat(bb);
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break;
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}
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// optional float y = 2;
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case 2: {
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message.y = readFloat(bb);
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break;
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}
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// optional int32 count = 3;
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case 3: {
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message.count = readVarint32(bb);
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break;
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}
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default:
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skipUnknownField(bb, tag & 7);
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}
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}
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return message;
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}
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export interface Path {
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start_frame?: number;
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end_frame?: number;
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is_static?: boolean;
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points?: Point[];
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}
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export function encodePath(message: Path): Uint8Array {
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let bb = popByteBuffer();
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_encodePath(message, bb);
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return toUint8Array(bb);
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}
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function _encodePath(message: Path, bb: ByteBuffer): void {
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// optional int32 start_frame = 1;
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let $start_frame = message.start_frame;
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if ($start_frame !== undefined) {
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writeVarint32(bb, 8);
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writeVarint64(bb, intToLong($start_frame));
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}
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// optional int32 end_frame = 2;
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let $end_frame = message.end_frame;
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if ($end_frame !== undefined) {
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writeVarint32(bb, 16);
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writeVarint64(bb, intToLong($end_frame));
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}
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// optional bool is_static = 3;
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let $is_static = message.is_static;
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if ($is_static !== undefined) {
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writeVarint32(bb, 24);
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writeByte(bb, $is_static ? 1 : 0);
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}
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// repeated Point points = 4;
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let array$points = message.points;
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if (array$points !== undefined) {
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for (let value of array$points) {
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writeVarint32(bb, 34);
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let nested = popByteBuffer();
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_encodePoint(value, nested);
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writeVarint32(bb, nested.limit);
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writeByteBuffer(bb, nested);
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pushByteBuffer(nested);
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}
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}
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}
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export function decodePath(binary: Uint8Array): Path {
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return _decodePath(wrapByteBuffer(binary));
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}
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function _decodePath(bb: ByteBuffer): Path {
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let message: Path = {} as any;
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end_of_message: while (!isAtEnd(bb)) {
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let tag = readVarint32(bb);
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switch (tag >>> 3) {
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case 0:
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break end_of_message;
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// optional int32 start_frame = 1;
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case 1: {
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message.start_frame = readVarint32(bb);
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break;
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}
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// optional int32 end_frame = 2;
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case 2: {
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message.end_frame = readVarint32(bb);
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break;
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}
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// optional bool is_static = 3;
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case 3: {
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message.is_static = !!readByte(bb);
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break;
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}
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// repeated Point points = 4;
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case 4: {
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let limit = pushTemporaryLength(bb);
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let values = message.points || (message.points = []);
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values.push(_decodePoint(bb));
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bb.limit = limit;
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break;
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}
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default:
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skipUnknownField(bb, tag & 7);
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}
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}
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return message;
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}
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export interface BallPaths {
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ball_identifier?: number;
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paths?: Path[];
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}
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export function encodeBallPaths(message: BallPaths): Uint8Array {
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let bb = popByteBuffer();
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_encodeBallPaths(message, bb);
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return toUint8Array(bb);
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}
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function _encodeBallPaths(message: BallPaths, bb: ByteBuffer): void {
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// optional int32 ball_identifier = 1;
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let $ball_identifier = message.ball_identifier;
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if ($ball_identifier !== undefined) {
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writeVarint32(bb, 8);
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writeVarint64(bb, intToLong($ball_identifier));
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}
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// repeated Path paths = 2;
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let array$paths = message.paths;
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if (array$paths !== undefined) {
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for (let value of array$paths) {
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writeVarint32(bb, 18);
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let nested = popByteBuffer();
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_encodePath(value, nested);
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writeVarint32(bb, nested.limit);
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writeByteBuffer(bb, nested);
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pushByteBuffer(nested);
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}
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}
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}
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export function decodeBallPaths(binary: Uint8Array): BallPaths {
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return _decodeBallPaths(wrapByteBuffer(binary));
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}
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function _decodeBallPaths(bb: ByteBuffer): BallPaths {
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let message: BallPaths = {} as any;
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end_of_message: while (!isAtEnd(bb)) {
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let tag = readVarint32(bb);
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switch (tag >>> 3) {
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case 0:
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break end_of_message;
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// optional int32 ball_identifier = 1;
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case 1: {
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message.ball_identifier = readVarint32(bb);
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break;
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}
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// repeated Path paths = 2;
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case 2: {
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let limit = pushTemporaryLength(bb);
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let values = message.paths || (message.paths = []);
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values.push(_decodePath(bb));
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bb.limit = limit;
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break;
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}
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default:
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skipUnknownField(bb, tag & 7);
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}
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}
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return message;
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}
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export interface Shot {
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start_frame?: number;
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end_frame?: number;
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ball_paths?: BallPaths[];
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}
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export function encodeShot(message: Shot): Uint8Array {
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let bb = popByteBuffer();
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_encodeShot(message, bb);
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return toUint8Array(bb);
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}
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function _encodeShot(message: Shot, bb: ByteBuffer): void {
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// optional int32 start_frame = 1;
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let $start_frame = message.start_frame;
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if ($start_frame !== undefined) {
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writeVarint32(bb, 8);
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writeVarint64(bb, intToLong($start_frame));
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}
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// optional int32 end_frame = 2;
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let $end_frame = message.end_frame;
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if ($end_frame !== undefined) {
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writeVarint32(bb, 16);
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writeVarint64(bb, intToLong($end_frame));
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}
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// repeated BallPaths ball_paths = 3;
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let array$ball_paths = message.ball_paths;
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if (array$ball_paths !== undefined) {
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for (let value of array$ball_paths) {
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writeVarint32(bb, 26);
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let nested = popByteBuffer();
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_encodeBallPaths(value, nested);
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writeVarint32(bb, nested.limit);
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writeByteBuffer(bb, nested);
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pushByteBuffer(nested);
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}
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}
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}
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export function decodeShot(binary: Uint8Array): Shot {
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return _decodeShot(wrapByteBuffer(binary));
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}
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function _decodeShot(bb: ByteBuffer): Shot {
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let message: Shot = {} as any;
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end_of_message: while (!isAtEnd(bb)) {
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let tag = readVarint32(bb);
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switch (tag >>> 3) {
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case 0:
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break end_of_message;
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// optional int32 start_frame = 1;
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case 1: {
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message.start_frame = readVarint32(bb);
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break;
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}
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// optional int32 end_frame = 2;
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case 2: {
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message.end_frame = readVarint32(bb);
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break;
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}
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// repeated BallPaths ball_paths = 3;
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case 3: {
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let limit = pushTemporaryLength(bb);
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let values = message.ball_paths || (message.ball_paths = []);
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values.push(_decodeBallPaths(bb));
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bb.limit = limit;
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break;
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}
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default:
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skipUnknownField(bb, tag & 7);
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}
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}
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return message;
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}
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export interface Long {
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low: number;
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high: number;
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unsigned: boolean;
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}
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interface ByteBuffer {
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bytes: Uint8Array;
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offset: number;
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limit: number;
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}
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function pushTemporaryLength(bb: ByteBuffer): number {
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let length = readVarint32(bb);
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let limit = bb.limit;
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bb.limit = bb.offset + length;
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return limit;
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}
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function skipUnknownField(bb: ByteBuffer, type: number): void {
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switch (type) {
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case 0:
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while (readByte(bb) & 0x80) {}
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break;
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case 2:
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skip(bb, readVarint32(bb));
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break;
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case 5:
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skip(bb, 4);
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break;
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case 1:
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skip(bb, 8);
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break;
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default:
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throw new Error("Unimplemented type: " + type);
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}
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}
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function stringToLong(value: string): Long {
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return {
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low: value.charCodeAt(0) | (value.charCodeAt(1) << 16),
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high: value.charCodeAt(2) | (value.charCodeAt(3) << 16),
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unsigned: false,
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};
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}
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function longToString(value: Long): string {
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let low = value.low;
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let high = value.high;
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return String.fromCharCode(
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low & 0xffff,
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low >>> 16,
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high & 0xffff,
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high >>> 16,
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);
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}
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// The code below was modified from https://github.com/protobufjs/bytebuffer.js
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// which is under the Apache License 2.0.
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let f32 = new Float32Array(1);
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let f32_u8 = new Uint8Array(f32.buffer);
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let f64 = new Float64Array(1);
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let f64_u8 = new Uint8Array(f64.buffer);
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function intToLong(value: number): Long {
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value |= 0;
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return {
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low: value,
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high: value >> 31,
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unsigned: value >= 0,
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};
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}
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let bbStack: ByteBuffer[] = [];
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function popByteBuffer(): ByteBuffer {
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const bb = bbStack.pop();
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if (!bb) return { bytes: new Uint8Array(64), offset: 0, limit: 0 };
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bb.offset = bb.limit = 0;
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return bb;
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}
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function pushByteBuffer(bb: ByteBuffer): void {
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bbStack.push(bb);
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}
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function wrapByteBuffer(bytes: Uint8Array): ByteBuffer {
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return { bytes, offset: 0, limit: bytes.length };
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}
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function toUint8Array(bb: ByteBuffer): Uint8Array {
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let bytes = bb.bytes;
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let limit = bb.limit;
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return bytes.length === limit ? bytes : bytes.subarray(0, limit);
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}
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function skip(bb: ByteBuffer, offset: number): void {
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if (bb.offset + offset > bb.limit) {
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throw new Error("Skip past limit");
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}
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bb.offset += offset;
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}
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function isAtEnd(bb: ByteBuffer): boolean {
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return bb.offset >= bb.limit;
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}
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function grow(bb: ByteBuffer, count: number): number {
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let bytes = bb.bytes;
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let offset = bb.offset;
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let limit = bb.limit;
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let finalOffset = offset + count;
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if (finalOffset > bytes.length) {
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let newBytes = new Uint8Array(finalOffset * 2);
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newBytes.set(bytes);
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bb.bytes = newBytes;
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}
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bb.offset = finalOffset;
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if (finalOffset > limit) {
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bb.limit = finalOffset;
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}
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return offset;
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}
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function advance(bb: ByteBuffer, count: number): number {
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let offset = bb.offset;
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if (offset + count > bb.limit) {
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throw new Error("Read past limit");
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}
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bb.offset += count;
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return offset;
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}
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function readBytes(bb: ByteBuffer, count: number): Uint8Array {
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let offset = advance(bb, count);
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return bb.bytes.subarray(offset, offset + count);
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}
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function writeBytes(bb: ByteBuffer, buffer: Uint8Array): void {
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let offset = grow(bb, buffer.length);
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bb.bytes.set(buffer, offset);
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}
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function readString(bb: ByteBuffer, count: number): string {
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// Sadly a hand-coded UTF8 decoder is much faster than subarray+TextDecoder in V8
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let offset = advance(bb, count);
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let fromCharCode = String.fromCharCode;
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let bytes = bb.bytes;
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let invalid = "\uFFFD";
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let text = "";
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for (let i = 0; i < count; i++) {
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let c1 = bytes[i + offset],
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c2: number,
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c3: number,
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c4: number,
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c: number;
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// 1 byte
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if ((c1 & 0x80) === 0) {
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text += fromCharCode(c1);
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}
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// 2 bytes
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else if ((c1 & 0xe0) === 0xc0) {
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if (i + 1 >= count) text += invalid;
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else {
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c2 = bytes[i + offset + 1];
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if ((c2 & 0xc0) !== 0x80) text += invalid;
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else {
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c = ((c1 & 0x1f) << 6) | (c2 & 0x3f);
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if (c < 0x80) text += invalid;
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else {
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text += fromCharCode(c);
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i++;
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}
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}
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}
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}
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// 3 bytes
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else if ((c1 & 0xf0) == 0xe0) {
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if (i + 2 >= count) text += invalid;
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else {
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c2 = bytes[i + offset + 1];
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c3 = bytes[i + offset + 2];
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if (((c2 | (c3 << 8)) & 0xc0c0) !== 0x8080) text += invalid;
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else {
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c = ((c1 & 0x0f) << 12) | ((c2 & 0x3f) << 6) | (c3 & 0x3f);
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if (c < 0x0800 || (c >= 0xd800 && c <= 0xdfff)) text += invalid;
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else {
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text += fromCharCode(c);
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i += 2;
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}
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}
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}
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}
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// 4 bytes
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else if ((c1 & 0xf8) == 0xf0) {
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if (i + 3 >= count) text += invalid;
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else {
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c2 = bytes[i + offset + 1];
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c3 = bytes[i + offset + 2];
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c4 = bytes[i + offset + 3];
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if (((c2 | (c3 << 8) | (c4 << 16)) & 0xc0c0c0) !== 0x808080)
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text += invalid;
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else {
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c =
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((c1 & 0x07) << 0x12) |
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((c2 & 0x3f) << 0x0c) |
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((c3 & 0x3f) << 0x06) |
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(c4 & 0x3f);
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if (c < 0x10000 || c > 0x10ffff) text += invalid;
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else {
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c -= 0x10000;
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text += fromCharCode((c >> 10) + 0xd800, (c & 0x3ff) + 0xdc00);
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i += 3;
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}
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}
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}
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} else text += invalid;
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}
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return text;
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}
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function writeString(bb: ByteBuffer, text: string): void {
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// Sadly a hand-coded UTF8 encoder is much faster than TextEncoder+set in V8
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let n = text.length;
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let byteCount = 0;
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// Write the byte count first
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for (let i = 0; i < n; i++) {
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let c = text.charCodeAt(i);
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if (c >= 0xd800 && c <= 0xdbff && i + 1 < n) {
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c = (c << 10) + text.charCodeAt(++i) - 0x35fdc00;
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}
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byteCount += c < 0x80 ? 1 : c < 0x800 ? 2 : c < 0x10000 ? 3 : 4;
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}
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writeVarint32(bb, byteCount);
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let offset = grow(bb, byteCount);
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let bytes = bb.bytes;
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// Then write the bytes
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for (let i = 0; i < n; i++) {
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let c = text.charCodeAt(i);
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if (c >= 0xd800 && c <= 0xdbff && i + 1 < n) {
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c = (c << 10) + text.charCodeAt(++i) - 0x35fdc00;
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}
|
|
if (c < 0x80) {
|
|
bytes[offset++] = c;
|
|
} else {
|
|
if (c < 0x800) {
|
|
bytes[offset++] = ((c >> 6) & 0x1f) | 0xc0;
|
|
} else {
|
|
if (c < 0x10000) {
|
|
bytes[offset++] = ((c >> 12) & 0x0f) | 0xe0;
|
|
} else {
|
|
bytes[offset++] = ((c >> 18) & 0x07) | 0xf0;
|
|
bytes[offset++] = ((c >> 12) & 0x3f) | 0x80;
|
|
}
|
|
bytes[offset++] = ((c >> 6) & 0x3f) | 0x80;
|
|
}
|
|
bytes[offset++] = (c & 0x3f) | 0x80;
|
|
}
|
|
}
|
|
}
|
|
|
|
function writeByteBuffer(bb: ByteBuffer, buffer: ByteBuffer): void {
|
|
let offset = grow(bb, buffer.limit);
|
|
let from = bb.bytes;
|
|
let to = buffer.bytes;
|
|
|
|
// This for loop is much faster than subarray+set on V8
|
|
for (let i = 0, n = buffer.limit; i < n; i++) {
|
|
from[i + offset] = to[i];
|
|
}
|
|
}
|
|
|
|
function readByte(bb: ByteBuffer): number {
|
|
return bb.bytes[advance(bb, 1)];
|
|
}
|
|
|
|
function writeByte(bb: ByteBuffer, value: number): void {
|
|
let offset = grow(bb, 1);
|
|
bb.bytes[offset] = value;
|
|
}
|
|
|
|
function readFloat(bb: ByteBuffer): number {
|
|
let offset = advance(bb, 4);
|
|
let bytes = bb.bytes;
|
|
|
|
// Manual copying is much faster than subarray+set in V8
|
|
f32_u8[0] = bytes[offset++];
|
|
f32_u8[1] = bytes[offset++];
|
|
f32_u8[2] = bytes[offset++];
|
|
f32_u8[3] = bytes[offset++];
|
|
return f32[0];
|
|
}
|
|
|
|
function writeFloat(bb: ByteBuffer, value: number): void {
|
|
let offset = grow(bb, 4);
|
|
let bytes = bb.bytes;
|
|
f32[0] = value;
|
|
|
|
// Manual copying is much faster than subarray+set in V8
|
|
bytes[offset++] = f32_u8[0];
|
|
bytes[offset++] = f32_u8[1];
|
|
bytes[offset++] = f32_u8[2];
|
|
bytes[offset++] = f32_u8[3];
|
|
}
|
|
|
|
function readDouble(bb: ByteBuffer): number {
|
|
let offset = advance(bb, 8);
|
|
let bytes = bb.bytes;
|
|
|
|
// Manual copying is much faster than subarray+set in V8
|
|
f64_u8[0] = bytes[offset++];
|
|
f64_u8[1] = bytes[offset++];
|
|
f64_u8[2] = bytes[offset++];
|
|
f64_u8[3] = bytes[offset++];
|
|
f64_u8[4] = bytes[offset++];
|
|
f64_u8[5] = bytes[offset++];
|
|
f64_u8[6] = bytes[offset++];
|
|
f64_u8[7] = bytes[offset++];
|
|
return f64[0];
|
|
}
|
|
|
|
function writeDouble(bb: ByteBuffer, value: number): void {
|
|
let offset = grow(bb, 8);
|
|
let bytes = bb.bytes;
|
|
f64[0] = value;
|
|
|
|
// Manual copying is much faster than subarray+set in V8
|
|
bytes[offset++] = f64_u8[0];
|
|
bytes[offset++] = f64_u8[1];
|
|
bytes[offset++] = f64_u8[2];
|
|
bytes[offset++] = f64_u8[3];
|
|
bytes[offset++] = f64_u8[4];
|
|
bytes[offset++] = f64_u8[5];
|
|
bytes[offset++] = f64_u8[6];
|
|
bytes[offset++] = f64_u8[7];
|
|
}
|
|
|
|
function readInt32(bb: ByteBuffer): number {
|
|
let offset = advance(bb, 4);
|
|
let bytes = bb.bytes;
|
|
return (
|
|
bytes[offset] |
|
|
(bytes[offset + 1] << 8) |
|
|
(bytes[offset + 2] << 16) |
|
|
(bytes[offset + 3] << 24)
|
|
);
|
|
}
|
|
|
|
function writeInt32(bb: ByteBuffer, value: number): void {
|
|
let offset = grow(bb, 4);
|
|
let bytes = bb.bytes;
|
|
bytes[offset] = value;
|
|
bytes[offset + 1] = value >> 8;
|
|
bytes[offset + 2] = value >> 16;
|
|
bytes[offset + 3] = value >> 24;
|
|
}
|
|
|
|
function readInt64(bb: ByteBuffer, unsigned: boolean): Long {
|
|
return {
|
|
low: readInt32(bb),
|
|
high: readInt32(bb),
|
|
unsigned,
|
|
};
|
|
}
|
|
|
|
function writeInt64(bb: ByteBuffer, value: Long): void {
|
|
writeInt32(bb, value.low);
|
|
writeInt32(bb, value.high);
|
|
}
|
|
|
|
function readVarint32(bb: ByteBuffer): number {
|
|
let c = 0;
|
|
let value = 0;
|
|
let b: number;
|
|
do {
|
|
b = readByte(bb);
|
|
if (c < 32) value |= (b & 0x7f) << c;
|
|
c += 7;
|
|
} while (b & 0x80);
|
|
return value;
|
|
}
|
|
|
|
function writeVarint32(bb: ByteBuffer, value: number): void {
|
|
value >>>= 0;
|
|
while (value >= 0x80) {
|
|
writeByte(bb, (value & 0x7f) | 0x80);
|
|
value >>>= 7;
|
|
}
|
|
writeByte(bb, value);
|
|
}
|
|
|
|
function readVarint64(bb: ByteBuffer, unsigned: boolean): Long {
|
|
let part0 = 0;
|
|
let part1 = 0;
|
|
let part2 = 0;
|
|
let b: number;
|
|
|
|
b = readByte(bb);
|
|
part0 = b & 0x7f;
|
|
if (b & 0x80) {
|
|
b = readByte(bb);
|
|
part0 |= (b & 0x7f) << 7;
|
|
if (b & 0x80) {
|
|
b = readByte(bb);
|
|
part0 |= (b & 0x7f) << 14;
|
|
if (b & 0x80) {
|
|
b = readByte(bb);
|
|
part0 |= (b & 0x7f) << 21;
|
|
if (b & 0x80) {
|
|
b = readByte(bb);
|
|
part1 = b & 0x7f;
|
|
if (b & 0x80) {
|
|
b = readByte(bb);
|
|
part1 |= (b & 0x7f) << 7;
|
|
if (b & 0x80) {
|
|
b = readByte(bb);
|
|
part1 |= (b & 0x7f) << 14;
|
|
if (b & 0x80) {
|
|
b = readByte(bb);
|
|
part1 |= (b & 0x7f) << 21;
|
|
if (b & 0x80) {
|
|
b = readByte(bb);
|
|
part2 = b & 0x7f;
|
|
if (b & 0x80) {
|
|
b = readByte(bb);
|
|
part2 |= (b & 0x7f) << 7;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return {
|
|
low: part0 | (part1 << 28),
|
|
high: (part1 >>> 4) | (part2 << 24),
|
|
unsigned,
|
|
};
|
|
}
|
|
|
|
function writeVarint64(bb: ByteBuffer, value: Long): void {
|
|
let part0 = value.low >>> 0;
|
|
let part1 = ((value.low >>> 28) | (value.high << 4)) >>> 0;
|
|
let part2 = value.high >>> 24;
|
|
|
|
// ref: src/google/protobuf/io/coded_stream.cc
|
|
let size =
|
|
part2 === 0
|
|
? part1 === 0
|
|
? part0 < 1 << 14
|
|
? part0 < 1 << 7
|
|
? 1
|
|
: 2
|
|
: part0 < 1 << 21
|
|
? 3
|
|
: 4
|
|
: part1 < 1 << 14
|
|
? part1 < 1 << 7
|
|
? 5
|
|
: 6
|
|
: part1 < 1 << 21
|
|
? 7
|
|
: 8
|
|
: part2 < 1 << 7
|
|
? 9
|
|
: 10;
|
|
|
|
let offset = grow(bb, size);
|
|
let bytes = bb.bytes;
|
|
|
|
switch (size) {
|
|
case 10:
|
|
bytes[offset + 9] = (part2 >>> 7) & 0x01;
|
|
case 9:
|
|
bytes[offset + 8] = size !== 9 ? part2 | 0x80 : part2 & 0x7f;
|
|
case 8:
|
|
bytes[offset + 7] =
|
|
size !== 8 ? (part1 >>> 21) | 0x80 : (part1 >>> 21) & 0x7f;
|
|
case 7:
|
|
bytes[offset + 6] =
|
|
size !== 7 ? (part1 >>> 14) | 0x80 : (part1 >>> 14) & 0x7f;
|
|
case 6:
|
|
bytes[offset + 5] =
|
|
size !== 6 ? (part1 >>> 7) | 0x80 : (part1 >>> 7) & 0x7f;
|
|
case 5:
|
|
bytes[offset + 4] = size !== 5 ? part1 | 0x80 : part1 & 0x7f;
|
|
case 4:
|
|
bytes[offset + 3] =
|
|
size !== 4 ? (part0 >>> 21) | 0x80 : (part0 >>> 21) & 0x7f;
|
|
case 3:
|
|
bytes[offset + 2] =
|
|
size !== 3 ? (part0 >>> 14) | 0x80 : (part0 >>> 14) & 0x7f;
|
|
case 2:
|
|
bytes[offset + 1] =
|
|
size !== 2 ? (part0 >>> 7) | 0x80 : (part0 >>> 7) & 0x7f;
|
|
case 1:
|
|
bytes[offset] = size !== 1 ? part0 | 0x80 : part0 & 0x7f;
|
|
}
|
|
}
|
|
|
|
function readVarint32ZigZag(bb: ByteBuffer): number {
|
|
let value = readVarint32(bb);
|
|
|
|
// ref: src/google/protobuf/wire_format_lite.h
|
|
return (value >>> 1) ^ -(value & 1);
|
|
}
|
|
|
|
function writeVarint32ZigZag(bb: ByteBuffer, value: number): void {
|
|
// ref: src/google/protobuf/wire_format_lite.h
|
|
writeVarint32(bb, (value << 1) ^ (value >> 31));
|
|
}
|
|
|
|
function readVarint64ZigZag(bb: ByteBuffer): Long {
|
|
let value = readVarint64(bb, /* unsigned */ false);
|
|
let low = value.low;
|
|
let high = value.high;
|
|
let flip = -(low & 1);
|
|
|
|
// ref: src/google/protobuf/wire_format_lite.h
|
|
return {
|
|
low: ((low >>> 1) | (high << 31)) ^ flip,
|
|
high: (high >>> 1) ^ flip,
|
|
unsigned: false,
|
|
};
|
|
}
|
|
|
|
function writeVarint64ZigZag(bb: ByteBuffer, value: Long): void {
|
|
let low = value.low;
|
|
let high = value.high;
|
|
let flip = high >> 31;
|
|
|
|
// ref: src/google/protobuf/wire_format_lite.h
|
|
writeVarint64(bb, {
|
|
low: (low << 1) ^ flip,
|
|
high: ((high << 1) | (low >>> 31)) ^ flip,
|
|
unsigned: false,
|
|
});
|
|
}
|