sjc (sp)

Overlay custom para Wplace direto no script

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         sjc (sp)
// @namespace    http://tampermonkey.net/
// @version      0.1.3
// @description  Overlay custom para Wplace direto no script
// @author       snwycrf
// @match        https://wplace.live/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=partidomissao.com
// @license      MIT
// @grant        none
// ==/UserScript==

(async function () {
    'use strict';

    const CHUNK_WIDTH = 1000;
    const CHUNK_HEIGHT = 1000;

    // 👉 Sua imagem, posição e chunk direto aqui:
    const overlays = [
        {
            url: "https://imgur.com/MT6ImQE",
            coords: [3424, 3550],
            chunk: [763, 1159]
        }
    ];

    for (const obj of overlays) {
        obj.chunksString = `/${obj.chunk[0]}/${obj.chunk[1]}.png`;

        const { img, width, height } = await loadImage(obj.url);

        const overlayCanvas = new OffscreenCanvas(1000, 1000);
        const overlayCtx = overlayCanvas.getContext("2d");
        overlayCtx.drawImage(img, obj.coords[0], obj.coords[1], width, height);
        obj.imageData = overlayCtx.getImageData(0, 0, 1000, 1000);
    }

    const OVERLAY_MODES = ["overlay", "original", "chunks"];
    let overlayMode = OVERLAY_MODES[0];

    fetch = new Proxy(fetch, {
        apply: async (target, thisArg, argList) => {
            const urlString = typeof argList[0] === "object" ? argList[0].url : argList[0];

            let url;
            try {
                url = new URL(urlString);
            } catch (e) {
                throw new Error("Invalid URL provided to fetch");
            }

            if (overlayMode === "overlay") {
                if (url.hostname === "backend.wplace.live" && url.pathname.startsWith("/files/")) {
                    for (const obj of overlays) {
                        if (url.pathname.endsWith(obj.chunksString)) {
                            const originalResponse = await target.apply(thisArg, argList);
                            const originalBlob = await originalResponse.blob();
                            const originalImage = await blobToImage(originalBlob);

                            const width = originalImage.width;
                            const height = originalImage.height;
                            const canvas = new OffscreenCanvas(width, height);
                            const ctx = canvas.getContext("2d", { willReadFrequently: true });

                            ctx.drawImage(originalImage, 0, 0, width, height);
                            const originalData = ctx.getImageData(0, 0, width, height);
                            const resultData = ctx.getImageData(0, 0, width, height);
                            const d1 = originalData.data;
                            const d2 = obj.imageData.data;
                            const dr = resultData.data;

                            for (let i = 0; i < d1.length; i += 4) {
                                const isTransparent = d2[i] === 0 && d2[i + 1] === 0 && d2[i + 2] === 0 && d2[i + 3] === 0;

                             const tolerance = 20;
                             const samePixel =
                             Math.abs(d1[i] - d2[i]) <= tolerance &&
                             Math.abs(d1[i + 1] - d2[i + 1]) <= tolerance &&
                             Math.abs(d1[i + 2] - d2[i + 2]) <= tolerance &&
                             Math.abs(d1[i + 3] - d2[i + 3]) <= tolerance;


                                if (samePixel && !isTransparent) {
                                    dr[i] = 0;
                                    dr[i + 1] = 255;
                                    dr[i + 2] = 0;
                                    dr[i + 3] = 255;
                                } else if (!isTransparent) {
                                    dr[i] = d2[i];
                                    dr[i + 1] = d2[i + 1];
                                    dr[i + 2] = d2[i + 2];
                                    dr[i + 3] = d2[i + 3];
                                }
                            }

                            ctx.putImageData(resultData, 0, 0);
                            const mergedBlob = await canvas.convertToBlob();

                            return new Response(mergedBlob, {
                                headers: { "Content-Type": "image/png" }
                            });
                        }
                    }
                }
            } else if (overlayMode === "chunks") {
                if (url.hostname === "backend.wplace.live" && url.pathname.startsWith("/files/")) {
                    const parts = url.pathname.split("/");
                    const [chunk1, chunk2] = [parts.at(-2), parts.at(-1).split(".")[0]];

                    const canvas = new OffscreenCanvas(CHUNK_WIDTH, CHUNK_HEIGHT);
                    const ctx = canvas.getContext("2d", { willReadFrequently: true });

                    ctx.strokeStyle = 'red';
                    ctx.lineWidth = 1;
                    ctx.strokeRect(0, 0, CHUNK_WIDTH, CHUNK_HEIGHT);

                    ctx.font = '30px Arial';
                    ctx.fillStyle = 'red';
                    ctx.textAlign = 'center';
                    ctx.textBaseline = 'middle';
                    ctx.fillText(`${chunk1}, ${chunk2}`, CHUNK_WIDTH / 2, CHUNK_HEIGHT / 2);

                    const mergedBlob = await canvas.convertToBlob();

                    return new Response(mergedBlob, {
                        headers: { "Content-Type": "image/png" }
                    });
                }
            }

            return target.apply(thisArg, argList);
        }
    });

    function blobToImage(blob) {
        return new Promise((resolve, reject) => {
            const img = new Image();
            img.onload = () => resolve(img);
            img.onerror = reject;
            img.src = URL.createObjectURL(blob);
        });
    }

    function loadImage(src) {
        return new Promise((resolve, reject) => {
            const img = new Image();
            img.crossOrigin = "anonymous";
            img.onload = () => {
                resolve({
                    img,
                    width: img.naturalWidth,
                    height: img.naturalHeight
                });
            };
            img.onerror = reject;
            img.src = src;
        });
    }

    function patchUI() {
        if (document.getElementById("overlay-blend-button")) return;

        let blendButton = document.createElement("button");
        blendButton.id = "overlay-blend-button";
        blendButton.textContent = overlayMode.charAt(0).toUpperCase() + overlayMode.slice(1);
        blendButton.style.backgroundColor = "#0e0e0e7f";
        blendButton.style.color = "white";
        blendButton.style.border = "solid";
        blendButton.style.borderColor = "#1d1d1d7f";
        blendButton.style.borderRadius = "4px";
        blendButton.style.padding = "5px 10px";
        blendButton.style.cursor = "pointer";
        blendButton.style.backdropFilter = "blur(2px)";

        blendButton.addEventListener("click", () => {
            overlayMode = OVERLAY_MODES[(OVERLAY_MODES.indexOf(overlayMode) + 1) % OVERLAY_MODES.length];
            blendButton.textContent = `${overlayMode.charAt(0).toUpperCase() + overlayMode.slice(1)}`;
        });

        const buttonContainer = document.querySelector("div.gap-4:nth-child(1) > div:nth-child(2)");
        const leftSidebar = document.querySelector("html body div div.disable-pinch-zoom.relative.h-full.overflow-hidden.svelte-6wmtgk div.absolute.right-2.top-2.z-30 div.flex.flex-col.gap-4.items-center");

        if (buttonContainer) {
            buttonContainer.appendChild(blendButton);
            buttonContainer.classList.remove("items-center");
            buttonContainer.classList.add("items-end");
        }
        if (leftSidebar) {
            leftSidebar.classList.add("items-end");
            leftSidebar.classList.remove("items-center");
        }
    }

    const observer = new MutationObserver(() => {
        patchUI();
    });

    observer.observe(document.querySelector("div.gap-4:nth-child(1)"), {
        childList: true,
        subtree: true
    });

    patchUI();
})();