56 lines
1.5 KiB
TypeScript
56 lines
1.5 KiB
TypeScript
import * as fs from "fs";
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import * as path from "path";
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import { createCanvas } from "canvas";
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import { Grid, copyGrid, Color } from "@snk/compute/grid";
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import { Point } from "@snk/compute/point";
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import { copySnake } from "@snk/compute/snake";
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import { drawWorld } from "@snk/draw/drawWorld";
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import { step } from "@snk/compute/step";
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// @ts-ignore
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import * as mkdirp from "mkdirp";
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export const createGif = (
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grid0: Grid,
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snake0: Point[],
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commands: Point[],
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drawOptions: Parameters<typeof drawWorld>[4],
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gameOptions: Parameters<typeof step>[4]
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) => {
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const grid = copyGrid(grid0);
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const snake = copySnake(snake0);
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const stack: Color[] = [];
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const width = drawOptions.sizeCell * (grid.width + 4);
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const height = drawOptions.sizeCell * (grid.height + 4) + 100;
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const dir = path.join(__dirname, "tmp", Math.random().toString(36).slice(2));
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mkdirp.sync(dir);
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const canvas = createCanvas(width, height);
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const ctx = canvas.getContext("2d")!;
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const writeImage = (i: number) => {
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ctx.clearRect(0, 0, 99999, 99999);
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drawWorld(ctx, grid, snake, stack, drawOptions);
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const buffer = canvas.toBuffer("image/png", {
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compressionLevel: 0,
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filters: canvas.PNG_FILTER_NONE,
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});
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const filename = path.join(dir, `${i.toString().padStart(4, "0")}.png`);
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console.log(filename);
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fs.writeFileSync(filename, buffer);
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};
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writeImage(0);
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for (let i = 0; i < commands.length; i++) {
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step(grid, snake, stack, commands[i], gameOptions);
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writeImage(i + 1);
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}
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};
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