add *draw

changelog.json

@@ -1,3 +1,4 @@
 [
-  "Discord *list fixed (finally)"
+  "Discord *list fixed (finally)",
+  "Added *draw"
 ]

commands/draw.js

@@ -0,0 +1,35 @@
+const {resize} = require('../util/image');
+const axios = require('axios');
+const sharp = require('sharp');
+
+module.exports = {
+  name: 'draw',
+  description: 'Draws an image',
+  alias: [],
+  trusted: 0,
+  usage: '<image url (JPEG, PNG, WebP, AVIF, GIF, SVG, TIFF)>',
+  execute: async function(bot, username, usernameraw, sender, prefix, args) {
+    const url = args.join(' ');
+
+    const image = await axios.get('https://http-proxy.nongsonchome.repl.co', {
+      params: {
+        uri: url,
+      },
+      responseType: 'arraybuffer',
+    });
+
+    const loaded = sharp(image.data);
+
+    const metadata = await loaded
+        .metadata();
+
+    const {width, height} = resize(metadata.width, metadata.height);
+
+    const {data, info} = await loaded
+        .resize({fit: 'fill', kernel: 'nearest', width, height})
+        .raw()
+        .toBuffer({resolveWithObject: true});
+
+    bot.draw(data, info);
+  },
+};

plugins/draw.js

@@ -0,0 +1,47 @@
+/* eslint-disable max-len */
+const convert = require('color-convert');
+
+function inject(bot) {
+  function draw(data, info, prefix = {}) {
+    const pixels = [];
+
+    // Data Buffer -> RGB Array
+    for (let i = 0; i < data.length; i += info.channels) {
+      pixels.push([
+        data[i + 0],
+        data[i + 1],
+        data[i + 2],
+      ]);
+    }
+
+    const rows = [];
+
+    // RGB Array -> Rows Array
+    for (let i = 0; i < pixels.length; i += info.width) {
+      const row = pixels.slice(i, i + info.width);
+
+      rows.push(row);
+    }
+
+    const messages = [];
+
+    for (const row of rows) {
+      const message = [{...prefix, text: ''}];
+
+      for (const rgb of row) {
+        message.push({
+          text: '⎮',
+          color: `#${convert.rgb.hex(rgb)}`,
+        });
+      }
+
+      messages.push(message);
+    }
+
+    for (const message of messages) bot.core.run(`minecraft:tellraw @a ${JSON.stringify(message)}`);
+  }
+
+  bot.draw = draw;
+}
+
+module.exports = {inject};

util/image.js

@@ -0,0 +1,21 @@
+function resize(width, height) {
+  const aspectRatio = width / height;
+
+  let optimalWidth = Math.round(aspectRatio * 20 * (27 / 3));
+  let optimalHeight = 20;
+
+  if (optimalWidth > 320) {
+    const reduction = optimalWidth / 320;
+
+    optimalWidth = 320;
+
+    optimalHeight *= reduction;
+  }
+
+  return {
+    width: Math.floor(optimalWidth),
+    height: Math.floor(optimalHeight),
+  };
+}
+
+module.exports = {resize};