sjc (sp)

Overlay custom para Wplace direto no script

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

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

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==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();
})();