binary optimization
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@@ -8,80 +8,4 @@ const getNumberWithinString = (str: string) => parseInt(str.match(INDEX_REG)?.[1
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export const sortSpriteFrame = (spriteFrame: Array<SpriteFrame>) =>
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spriteFrame.sort((a, b) => getNumberWithinString(a.name) - getNumberWithinString(b.name))
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export const rad2Angle = (rad: number) => rad / Math.PI * 180
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export const binaryDecode = (buffer: ArrayBuffer) => {
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let index = 0
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const view = new DataView(buffer)
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const type = view.getUint8(index++)
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if (type === ApiMsgEnum.MsgClientSync) {
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const inputType = view.getUint8(index++)
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if (inputType === InputTypeEnum.ActorMove) {
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const id = view.getUint8(index++)
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const directionX = view.getFloat32(index)
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index += 4
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const directionY = view.getFloat32(index)
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index += 4
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const dt = view.getFloat32(index)
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index += 4
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const msg = {
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name: ApiMsgEnum.MsgClientSync,
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data: {
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type: InputTypeEnum.ActorMove,
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id,
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direction: {
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x: directionX,
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y: directionY,
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},
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dt
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}
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}
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return msg
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} else if (inputType === InputTypeEnum.WeaponShoot) {
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const id = view.getUint8(index++)
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const positionX = view.getFloat32(index)
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index += 4
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const positionY = view.getFloat32(index)
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index += 4
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const directionX = view.getFloat32(index)
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index += 4
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const directionY = view.getFloat32(index)
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index += 4
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const msg = {
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name: ApiMsgEnum.MsgClientSync,
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data: {
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type: InputTypeEnum.WeaponShoot,
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id,
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position: {
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x: positionX,
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y: positionY,
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},
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direction: {
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x: directionX,
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y: directionY,
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},
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}
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}
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return msg
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} else {
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const dt = view.getFloat32(index)
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index += 4
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const msg = {
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name: ApiMsgEnum.MsgClientSync,
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data: {
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type: InputTypeEnum.TimePast,
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dt,
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}
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}
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return msg
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}
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} else {
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return {
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name: type,
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data: JSON.parse(strdecode(new Uint8Array(buffer.slice(1))))
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}
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}
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}
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export const rad2Angle = (rad: number) => rad / Math.PI * 180
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