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commands/avatar-edit/rip.js

@@ -0,0 +1,62 @@
+const Command = require('../../structures/Command');
+const Canvas = require('canvas');
+const snekfetch = require('snekfetch');
+const { promisifyAll } = require('tsubaki');
+const fs = promisifyAll(require('fs'));
+const path = require('path');
+
+module.exports = class RIPCommand extends Command {
+    constructor(client) {
+        super(client, {
+            name: 'rip',
+            aliases: ['grave', 'grave-stone'],
+            group: 'avatar-edit',
+            memberName: 'rip',
+            description: 'Draws a user\'s avatar over a gravestone.',
+            throttling: {
+                usages: 1,
+                duration: 15
+            },
+            clientPermissions: ['ATTACH_FILES'],
+            args: [
+                {
+                    key: 'user',
+                    prompt: 'Which user would you like to edit the avatar of?',
+                    type: 'user',
+                    default: ''
+                }
+            ]
+        });
+    }
+
+    async run(msg, args) {
+        const user = args.user || msg.author;
+        const avatarURL = user.displayAvatarURL({
+            format: 'png',
+            size: 256
+        });
+        const Image = Canvas.Image;
+        const canvas = new Canvas(507, 338);
+        const ctx = canvas.getContext('2d');
+        const base = new Image();
+        const avatar = new Image();
+        const generate = () => {
+            ctx.drawImage(base, 0, 0);
+            ctx.drawImage(avatar, 158, 51, 200, 200);
+            const imgData = ctx.getImageData(158, 51, 200, 200);
+            const { data } = imgData;
+            for (let i = 0; i < data.length; i += 4) {
+                const brightness = 0.34 * data[i] + 0.5 * data[i + 1] + 0.16 * data[i + 2];
+                data[i] = brightness;
+                data[i + 1] = brightness;
+                data[i + 2] = brightness;
+            }
+            ctx.putImageData(imgData, 158, 51);
+        };
+        base.src = await fs.readFileAsync(path.join(__dirname, '..', '..', 'assets', 'images', 'rip.png'));
+        const { body } = await snekfetch.get(avatarURL);
+        avatar.src = body;
+        generate();
+        return msg.say({ files: [{ attachment: canvas.toBuffer(), name: 'rip.png' }] });
+    }
+};