forked from ppfun/pixelplanet
34 lines
960 B
JavaScript
34 lines
960 B
JavaScript
// this script moves chunks of a canvas, i.e. to center it after changing size
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import { createClient } from 'redis';
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//ATTENTION Make suer to set the rdis URLs right!!!
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const url = "redis://localhost:6379";
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const redisc = createClient({ url });
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const CANVAS_SIZE = 1024;
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const TILE_SIZE = 256;
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const offset = (2048 - 1024) / 2 / 256;
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const CHUNKS_XY = CANVAS_SIZE / TILE_SIZE;
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async function move() {
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for (let x = CHUNKS_XY - 1; x >= 0; x--) {
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for (let y = CHUNKS_XY - 1; y >= 0; y--) {
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const key = `ch:8:${x}:${y}`;
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const chunk = await redisc.get(key, { returnBuffers: true });
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if (chunk) {
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const buffer = new Uint8Array(chunk);
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const newKey = `ch:8:${x + offset}:${y + offset}`
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await redisc.set(newKey, Buffer.from(buffer.buffer));
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await redisc.del(key);
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console.log('Moved Chunk ', key, ' to ', newKey);
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}
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}
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}
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console.log("done");
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}
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redisc.connect()
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.then(() => move());
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