PPML

Pixel Place Map Loader
Version vom 22.04.2022. Aktuellste Version
Dieses Skript sollte nicht direkt installiert werden. Es handelt sich hier um eine Bibliothek für andere Skripte, welche über folgenden Befehl in den Metadaten eines Skriptes eingebunden wird // @require https://update.greasyfork.org/scripts/443803/1042799/PPML.js
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// ==UserScript==
// @name         PPML
// @description  Pixel Place Map Loader
// @version      1.2
// @author       0vC4
// @namespace    https://greasyfork.org/users/670183
// @match        https://pixelplace.io/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=pixelplace.io
// @license      MIT
// @grant        none
// @run-at       document-start
// ==/UserScript==





const PPML = (() => {
    if (window.PPML) return window.PPML;



    const colors = new Uint32Array([
        0xCCCCCC,
        0xFFFFFF,
        0xC4C4C4,
        0x888888,
        0x555555,
        0x222222,
        0x000000,
        0x006600,
        0x22B14C,
        0x02BE01,
        0x51E119,
        0x94E044,
        0xFBFF5B,
        0xE5D900,
        0xE6BE0C,
        0xE59500,
        0xA06A42,
        0x99530D,
        0x633C1F,
        0x6B0000,
        0x9F0000,
        0xE50000,
        0xFF3904,
        0xBB4F00,
        0xFF755F,
        0xFFC49F,
        0xFFDFCC,
        0xFFA7D1,
        0xCF6EE4,
        0xEC08EC,
        0x820080,
        0x5100FF,
        0x020763,
        0x0000EA,
        0x044BFF,
        0x6583CF,
        0x36BAFF,
        0x0083C7,
        0x00D3DD,
        0x45FFC8
    ]);



    const PPML = {
        map: {},
        ws: null,

        hooks: [],
        setHook(hook) {
            PPML.hooks.push(hook);
        },
        setHooks(...hooks) {
            PPML.hooks.push(...hooks.flat());
        },

        hook: {
            priority: 0,

            init(){
                if (PPML.ws) return arguments;
                PPML.ws = this;
                return arguments;
            },

            message({data}) {
                if (PPML.ws != this) return arguments;

                const message = JSON.parse(data.split(/(?<=^\d+)(?=[^\d])/)[1] || '[]');
                if (!message.length) return arguments;

                const [event, json] = message;
                if (event == 'canvas' || event == 'p') json.map(p => PPML.map.set(...p));

                return arguments;
            },
        },

        _emitQueue: [],
        safeEmit(x,y,pixel) {
            this._emitQueue.push([x,y,pixel]);
        },
        emit(x,y,pixel) {
            if (!PPML.ws) return;
            const pixel2 = PPML.map.get(x,y);
            if (pixel === pixel2 || pixel2 === 255) return false;
            CWSS.send.call(PPML.ws, `42["p",[${x},${y},${pixel},1]]`);
            return true;
        }
    };
    WorkerTimer.setInterval(() => {
        while (PPML.emit(..._emitQueue.shift()) === false);
    }, 1e3/5);
    CWSS.setHook(PPML.hook);



    const Img = window.Image;
    window.Image = function() {
        const img = new Img(...arguments);

        Object.defineProperty(img, 'src', {
            enumerable: true,
            configurable: true,
            set(val) {
                this.setAttribute('src', val);
                if (!val.match(/canvas\/\d+\.png\?/)) return;

                this.addEventListener('load', () => {
                    const canvas = document.createElement('canvas');
                    canvas.width = this.width;
                    canvas.height = this.height;

                    const ctx = canvas.getContext('2d');
                    ctx.drawImage(this, 0, 0);

                    const rgba = ctx.getImageData(0, 0, this.width, this.height).data;
                    const pixels = new Uint8Array(rgba.length>>2);
                    for (let i = 0; i < rgba.length; i += 4)
                        pixels[i>>2] = colors.indexOf((rgba[i]<<16) + (rgba[i+1]<<8) + (rgba[i+2]))-1;

                    const {width, height} = this;
                    const map = {
                        pixels, colors,
                        width, height,
                        find(pixel) {
                            const pos = this.pixels.indexOf(pixel);
                            if (pos > -1) return pos;
                            return null;
                        },
                        get(x,y) {
                            return this.pixels[x+y*this.width];
                        },
                        set(x,y,pixel) {
                            const offset = x+y*this.width;
                            if (this.pixels[offset] == null) return;
                            this.pixels[offset] = pixel;
                        }
                    };

                    Object.assign(PPML.map, map);
                    PPML.hooks.sort((a,b) => b.priority - a.priority).map(h => h.init(map));
                });
            }
        });

        return img;
    };
    Object.assign(Image, Img);
    for (let k in Img.prototype) try {Image.prototype[k] = Img.prototype[k];} catch (e) {};



    window.PPML = PPML;
    return PPML;
})();
// 0vC4#7152