67 lines
2.0 KiB
TypeScript
67 lines
2.0 KiB
TypeScript
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import { ApiMsgEnum, InputTypeEnum } from "./Enum";
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import { strencode } from "./Utils";
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export const binaryEncode = (proto: ApiMsgEnum, data: any): DataView => {
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if (proto === ApiMsgEnum.MsgClientSync) {
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switch (data.type) {
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case InputTypeEnum.ActorMove: {
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let index = 0
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const ab = new ArrayBuffer(3 + 12)
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const view = new DataView(ab)
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view.setUint8(index++, proto)
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view.setUint8(index++, data.type)
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view.setUint8(index++, data.id)
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view.setFloat32(index, data.direction.x)
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index += 4
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view.setFloat32(index, data.direction.y)
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index += 4
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view.setFloat32(index, data.dt)
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index += 4
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return view
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}
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case InputTypeEnum.WeaponShoot: {
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let index = 0
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const ab = new ArrayBuffer(3 + 16)
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const view = new DataView(ab)
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view.setUint8(index++, proto)
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view.setUint8(index++, data.type)
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view.setUint8(index++, data.id)
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view.setFloat32(index, data.position.x)
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index += 4
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view.setFloat32(index, data.position.y)
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index += 4
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view.setFloat32(index, data.direction.x)
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index += 4
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view.setFloat32(index, data.direction.y)
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index += 4
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return view
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}
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case InputTypeEnum.TimePast: {
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let index = 0
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const ab = new ArrayBuffer(1 + 1 + 4)
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const view = new DataView(ab)
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view.setUint8(index++, proto)
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view.setUint8(index++, data.type)
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view.setFloat32(index, data.dt)
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index += 4
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return view
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}
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default: {
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const ab = new ArrayBuffer(0)
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const view = new DataView(ab)
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return view
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}
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}
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} else {
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let index = 0
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const str = JSON.stringify(data)
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const ta = strencode(str)
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const ab = new ArrayBuffer(ta.length + 1)
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const view = new DataView(ab)
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view.setUint8(index++, proto)
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for (let i = 0; i < ta.length; i++) {
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view.setUint8(index++, ta[i])
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}
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return view
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}
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}
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