27 lines
699 B
TypeScript
27 lines
699 B
TypeScript
import { MissionGrid } from "../model/mission";
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export function encodeMission(grids: MissionGrid[]): Buffer {
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const buf = Buffer.alloc(0x24);
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for (let gridNo = 0; gridNo < grids.length; gridNo++) {
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const grid = grids[gridNo];
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const slices = [0, 0, 0];
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for (let cellNo = 0; cellNo < 9 && cellNo < grid.cells.length; cellNo++) {
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const value = grid.cells[cellNo];
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for (let sliceNo = 0; sliceNo < 3; sliceNo++) {
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if (value & (1 << sliceNo)) {
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slices[sliceNo] |= 1 << cellNo;
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}
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}
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}
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for (let sliceNo = 0; sliceNo < 3; sliceNo++) {
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buf.writeUInt16LE(slices[sliceNo], 0x0c * sliceNo + 0x02 * gridNo);
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}
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}
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return buf;
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}
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