Skin uploader (URL/file), 512x512, KB cap, local mod-library + inject+save to agar.io account, editor upload button placed inside site editor modal (best-effort). No cheats.
// ==UserScript==
// @name Dasgar YT
// @namespace https://violentmonkey.github.io/
// @version 1.1
// @description Skin uploader (URL/file), 512x512, KB cap, local mod-library + inject+save to agar.io account, editor upload button placed inside site editor modal (best-effort). No cheats.
// @match *://agar.io/*
// @match *://*.agar.io/*
// @grant GM_addStyle
// ==/UserScript==
(function () {
'use strict';
/* ---------- Config ---------- */
const MAX_SIZE_BYTES = 512 * 1024; // 512 KB upload UI cap
const FINAL_SIZE = 512; // final canvas size 512x512
const LIB_KEY = 'dasgar_mod_skins_v1';
const CACHED_KEY = 'dasgar_cached_skin_v1';
/* ---------- Styles ---------- */
GM_addStyle(`
#dasgar_menu {
position: fixed;
top: 18px;
right: 18px;
width: 360px;
z-index: 2147483647;
background: rgba(12,12,14,0.94);
color: #eaf8ff;
padding: 12px;
border-radius: 10px;
font-family: Arial, sans-serif;
font-size: 13px;
box-shadow: 0 10px 40px rgba(0,0,0,0.6)
}
#dasgar_menu h3 { margin:0 0 8px 0; color:#7ef1c7; }
#dasgar_preview { width:120px; height:120px; border-radius:50%; display:block; margin:8px auto; background:#222; object-fit:cover; border:6px solid #ff7700; }
#dasgar_menu input[type="text"], #dasgar_menu input[type="number"], #dasgar_menu select {
width:100%; padding:7px; border-radius:6px; border:1px solid rgba(255,255,255,0.06); background:rgba(255,255,255,0.02); color:#fff;
}
#dasgar_menu input[type="file"]{ width:100%; margin-top:6px; }
#dasgar_menu button { width:100%; padding:8px; border-radius:8px; border:none; background:#2b8cff; color:#fff; font-weight:700; cursor:pointer; margin-top:8px; }
.das-row { display:flex; gap:8px; align-items:center; margin-top:8px; }
.das-small { padding:6px 8px; border-radius:8px; border:none; background:#00aaff; color:#fff; cursor:pointer; }
.skin-entry { display:flex; gap:8px; align-items:center; padding:6px; margin-top:6px; background: rgba(255,255,255,0.03); border-radius:8px; }
.skin-entry img { width:40px; height:40px; border-radius:50%; object-fit:cover; border:2px solid rgba(0,0,0,0.18); }
#dasgar_editor_inject { position:absolute; right:18px; bottom:18px; z-index:2147483648; }
#dasgar_status { margin-top:6px; color:#cfefff; font-size:12px; text-align:center; }
`);
/* ---------- UI Build ---------- */
const menu = document.createElement('div');
menu.id = 'dasgar_menu';
menu.innerHTML = `
<h3>Dasgar YT — Skins</h3>
<label>Skin URL (direct image)</label>
<input type="text" id="dasgar_url" placeholder="https://.../image.png">
<label>Upload image (max 512 KB)</label>
<input type="file" id="dasgar_file" accept="image/*">
<canvas id="dasgar_preview" width="120" height="120"></canvas>
<div class="das-row">
<input type="color" id="dasgar_bg" value="#ffcc00" style="width:58px; height:36px; border-radius:6px; border:none;">
<input type="color" id="dasgar_border" value="#ff7700" style="width:58px; height:36px; border-radius:6px; border:none;">
<input type="number" id="dasgar_border_w" value="6" min="0" max="40" style="width:70px; padding:6px; border-radius:6px;">
<select id="dasgar_size" style="flex:1; padding:6px; border-radius:6px;">
<option value="512">512 px (final)</option>
<option value="256">256 px</option>
<option value="128">128 px</option>
</select>
</div>
<button id="dasgar_convert">Convert & Add to Library</button>
<button id="dasgar_apply_site" style="background:#32cc6b">Upload → Save to agar.io</button>
<h4 style="margin-top:10px">Saved (mod library)</h4>
<div id="dasgar_library"></div>
<div id="dasgar_status">Load via URL or Upload → Convert → Save to library or save into agar.io.</div>
`;
document.body.appendChild(menu);
// preview canvas
const preview = document.getElementById('dasgar_preview');
const pctx = preview.getContext('2d');
const urlInput = document.getElementById('dasgar_url');
const fileInput = document.getElementById('dasgar_file');
const bgInput = document.getElementById('dasgar_bg');
const borderInput = document.getElementById('dasgar_border');
const borderWInput = document.getElementById('dasgar_border_w');
const sizeSelect = document.getElementById('dasgar_size');
const convertBtn = document.getElementById('dasgar_convert');
const applySiteBtn = document.getElementById('dasgar_apply_site');
const libDiv = document.getElementById('dasgar_library');
const statusEl = document.getElementById('dasgar_status');
/* ---------- State ---------- */
let loadedImage = null; // HTMLImageElement or HTMLCanvasElement used for preview
let cachedFinal = null; // canvas 512/256/... final result stored
// helper: write status
function setStatus(t){ statusEl.innerText = t; console.log('[DasgarSkin]', t); }
/* ---------- Small helpers ---------- */
function clearPreview(){ pctx.clearRect(0,0,preview.width, preview.height); pctx.fillStyle = '#333'; pctx.fillRect(0,0,preview.width, preview.height); }
clearPreview();
function drawPreviewFromImage(img){
const s = preview.width;
pctx.clearRect(0,0,s,s);
pctx.save();
pctx.beginPath(); pctx.arc(s/2,s/2,s/2,0,Math.PI*2); pctx.closePath(); pctx.clip();
const scale = Math.max(s/img.width, s/img.height);
const iw = img.width * scale, ih = img.height * scale;
pctx.drawImage(img, s/2 - iw/2, s/2 - ih/2, iw, ih);
pctx.restore();
// border
const bw = Math.max(0, Math.min(40, parseInt(borderWInput.value) || 0));
if (bw > 0){
pctx.beginPath(); pctx.arc(s/2,s/2, s/2 - bw/2,0,Math.PI*2); pctx.lineWidth = bw; pctx.strokeStyle = borderInput.value || '#ff7700'; pctx.stroke();
}
preview.style.background = bgInput.value;
}
/* ---------- load image from URL helper (tries multiple ways) ---------- */
function loadImageFromURL(url){
return new Promise((resolve,reject) => {
if (!url) return reject(new Error('No URL'));
// 1) direct load
const img = new Image();
img.onload = () => resolve(img);
img.onerror = () => {
// 2) try with crossOrigin anonymous
const img2 = new Image();
img2.crossOrigin = 'anonymous';
img2.onload = () => resolve(img2);
img2.onerror = () => {
// 3) try fetch → blob (some servers permit)
fetch(url).then(r => {
if (!r.ok) throw new Error('fetch failed');
return r.blob();
}).then(blob => {
const obj = URL.createObjectURL(blob);
const img3 = new Image();
img3.onload = () => { URL.revokeObjectURL(obj); resolve(img3); };
img3.onerror = () => { URL.revokeObjectURL(obj); reject(new Error('blob load failed')); };
img3.src = obj;
}).catch(err => {
reject(err);
});
};
img2.src = url;
};
img.src = url;
});
}
/* ---------- file input handling ---------- */
fileInput.addEventListener('change', (e) => {
const f = e.target.files && e.target.files[0];
if (!f) return;
if (f.size > MAX_SIZE_BYTES){
setStatus('File too large (max ' + Math.round(MAX_SIZE_BYTES/1024) + ' KB).');
return;
}
setStatus('Loading file for preview...');
const obj = URL.createObjectURL(f);
const img = new Image();
img.onload = () => {
loadedImage = img;
drawPreviewFromImage(img);
setStatus('File ready for conversion.');
URL.revokeObjectURL(obj);
};
img.onerror = () => {
setStatus('File could not be loaded.');
URL.revokeObjectURL(obj);
};
img.src = obj;
});
/* ---------- URL input handling ---------- */
urlInput.addEventListener('change', async () => {
const u = urlInput.value.trim();
if (!u) return;
setStatus('Loading image from URL...');
try {
const img = await loadImageFromURL(u);
loadedImage = img;
drawPreviewFromImage(img);
setStatus('URL loaded for preview.');
} catch (err) {
console.warn(err);
setStatus('Failed to load URL (CORS or blocked). Try download & upload file instead.');
}
});
/* ---------- convert to final canvas (512/256/128) ---------- */
function makeFinalCanvas(srcImg, size, borderW, borderColor, bgColor){
const c = document.createElement('canvas'); c.width = c.height = size;
const ctx = c.getContext('2d');
// fill bg
ctx.fillStyle = bgColor || '#fff'; ctx.fillRect(0,0,size,size);
// circular clip and draw
ctx.save();
ctx.beginPath(); ctx.arc(size/2, size/2, size/2 - 1, 0, Math.PI*2); ctx.closePath(); ctx.clip();
if (srcImg instanceof HTMLCanvasElement) ctx.drawImage(srcImg, 0, 0, size, size);
else {
const scale = Math.max(size / srcImg.width, size / srcImg.height);
const iw = srcImg.width * scale, ih = srcImg.height * scale;
ctx.drawImage(srcImg, size/2 - iw/2, size/2 - ih/2, iw, ih);
}
ctx.restore();
// stroke border inside circle
const bw = Math.max(0, Math.min(40, borderW || 0));
if (bw > 0) {
ctx.beginPath(); ctx.arc(size/2, size/2, size/2 - bw/2 - 1, 0, Math.PI*2);
ctx.lineWidth = bw; ctx.strokeStyle = borderColor || '#ff7700'; ctx.stroke();
}
return c;
}
/* ---------- library handling ---------- */
function saveToLibrary(name, dataURL){
const lib = JSON.parse(localStorage.getItem(LIB_KEY) || '[]');
lib.push({ name: name || ('Skin ' + (lib.length+1)), data: dataURL, ts: Date.now() });
try { localStorage.setItem(LIB_KEY, JSON.stringify(lib)); setStatus('Saved to mod library.'); renderLibrary(); } catch (e) { setStatus('Save failed (storage).'); }
}
function renderLibrary(){
libDiv.innerHTML = '';
const lib = JSON.parse(localStorage.getItem(LIB_KEY) || '[]');
if (!lib.length) { libDiv.innerHTML = '<div style="color:#bcd7ee;font-size:12px">No saved skins yet.</div>'; return; }
lib.forEach((s, idx) => {
const row = document.createElement('div'); row.className = 'skin-entry';
row.innerHTML = `<div style="display:flex;align-items:center;gap:8px"><img src="${s.data}"><div style="font-size:12px">${s.name}</div></div>
<div style="display:flex;gap:6px">
<button data-idx="${idx}" class="das-row use">Use</button>
<button data-idx="${idx}" class="das-row inject" style="background:#32cc6b">Upload→Agar</button>
<button data-idx="${idx}" class="das-row del" style="background:#ff4d4d">Del</button>
</div>`;
libDiv.appendChild(row);
});
// attach events
libDiv.querySelectorAll('button.use').forEach(b => b.addEventListener('click', e => {
const i = +e.currentTarget.dataset.idx;
const lib = JSON.parse(localStorage.getItem(LIB_KEY) || '[]');
const item = lib[i];
if (item) {
// set preview & cachedFinal
loadedImage = new Image();
loadedImage.onload = () => { drawPreviewFromImage(loadedImage); setStatus('Loaded saved skin in preview.'); };
loadedImage.src = item.data;
cachedFinal = null;
}
}));
libDiv.querySelectorAll('button.del').forEach(b => b.addEventListener('click', e => {
const i = +e.currentTarget.dataset.idx;
const lib = JSON.parse(localStorage.getItem(LIB_KEY) || '[]');
lib.splice(i,1);
localStorage.setItem(LIB_KEY, JSON.stringify(lib));
renderLibrary();
setStatus('Deleted saved skin.');
}));
libDiv.querySelectorAll('button.inject').forEach(b => b.addEventListener('click', async (e) => {
const i = +e.currentTarget.dataset.idx;
const lib = JSON.parse(localStorage.getItem(LIB_KEY) || '[]');
const item = lib[i];
if (!item) return;
// load image element
try {
const img = new Image();
img.onload = async () => {
// create final canvas from saved data (should already be final, but ensure proper size)
const finalSize = parseInt(sizeSelect.value,10) || FINAL_SIZE;
const canvas = makeFinalCanvas(img, finalSize, parseInt(borderWInput.value,10) || 0, borderInput.value, bgInput.value);
cachedFinal = canvas;
setStatus('Prepared to inject into site editor. Attempting injection & Save...');
const ok = await injectIntoEditorAndSave(canvas);
setStatus(ok ? 'Attempt to save on site done (check site).' : 'Failed to find site editor or Save button.');
};
img.src = item.data;
} catch (err) { console.warn(err); setStatus('Error preparing injection.'); }
}));
}
/* ---------- Convert button => convert current preview/loaded image and save to library ---------- */
convertBtn.addEventListener('click', () => {
if (!loadedImage) { setStatus('No image to convert — upload or URL first.'); return; }
const size = parseInt(sizeSelect.value,10) || FINAL_SIZE;
const bw = parseInt(borderWInput.value,10) || 0;
const bc = borderInput.value;
const bgc = bgInput.value;
const finalCanvas = makeFinalCanvas(loadedImage, size, bw, bc, bgc);
cachedFinal = finalCanvas;
// show final in preview (scaled)
const tmp = new Image();
tmp.onload = () => { pctx.clearRect(0,0,preview.width, preview.height); pctx.drawImage(tmp,0,0,preview.width,preview.height); setStatus('Converted final skin (ready).'); };
tmp.src = finalCanvas.toDataURL('image/png');
// Save to library
saveToLibrary('Skin ' + (new Date()).toLocaleTimeString(), finalCanvas.toDataURL('image/png'));
// cache small saved (<=256) into local quick key
try { if (size <= 256) localStorage.setItem(CACHED_KEY, finalCanvas.toDataURL('image/png')); } catch(e){}
});
/* ---------- initial render library ---------- */
renderLibrary();
/* ---------- Editor injection: find the editor canvas and container ---------- */
function findEditorCanvas() {
const canvases = Array.from(document.querySelectorAll('canvas')).filter(c => {
try {
const r = c.getBoundingClientRect();
return r.width > 160 && r.height > 160 && r.top > 0 && r.left > 0 && getComputedStyle(c).visibility !== 'hidden';
} catch (e) { return false; }
});
if (!canvases.length) return null;
// pick canvas closest to center
const cx = innerWidth/2, cy = innerHeight/2;
canvases.sort((a,b) => {
const ra = a.getBoundingClientRect(), rb = b.getBoundingClientRect();
const da = Math.hypot((ra.left+ra.width/2)-cx, (ra.top+ra.height/2)-cy);
const db = Math.hypot((rb.left+rb.width/2)-cx, (rb.top+rb.height/2)-cy);
return da - db;
});
return canvases[0];
}
function findEditorContainer(candidateCanvas){
if (!candidateCanvas) return null;
let anc = candidateCanvas.parentElement;
for (let i=0;i<10 && anc; i++){
const style = getComputedStyle(anc);
// heuristics for modal: white-ish background, large width and visible
if ((/rgba?\(255,\s*255,\s*255/.test(style.backgroundColor) || style.backgroundColor === 'white' || style.backgroundColor.indexOf('rgb') >= 0) &&
anc.clientWidth > 300) {
return anc;
}
// also check if ancestor contains a "Save" button text
if (anc.querySelector && Array.from(anc.querySelectorAll('button,a,input')).some(el=>/save|upload|create/i.test((el.innerText||el.value||el.title||'').trim()))) {
return anc;
}
anc = anc.parentElement;
}
// fallback: return the canvas parent
return candidateCanvas.parentElement || document.body;
}
/* ---------- injecting our Upload UI into site editor (bottom-right of editor) ---------- */
let injectedEditorPanel = null;
function injectUploadPanelIntoEditor(){
try {
const canvas = findEditorCanvas();
if (!canvas) return null;
const container = findEditorContainer(canvas);
if (!container) return null;
// if panel already exists and is inside same container, do nothing
if (injectedEditorPanel && injectedEditorPanel.parentElement === container) return injectedEditorPanel;
// remove previous if in different place
if (injectedEditorPanel && injectedEditorPanel.parentElement) injectedEditorPanel.parentElement.removeChild(injectedEditorPanel);
// create panel
const panel = document.createElement('div');
panel.id = 'dasgar_editor_inject';
panel.style.position = 'absolute';
panel.style.right = '18px';
panel.style.bottom = '18px';
panel.style.background = 'rgba(0,0,0,0.45)';
panel.style.padding = '8px';
panel.style.borderRadius = '8px';
panel.style.color = '#fff';
panel.style.zIndex = 2147483648;
panel.innerHTML = `
<input type="file" id="dasgar_editor_file" accept="image/*" style="width:140px"><br>
<button id="dasgar_editor_convert" class="das-small" style="margin-top:6px;padding:6px 10px;background:#2b8cff">Convert & Inject</button>
`;
// append
container.style.position = container.style.position || 'relative';
container.appendChild(panel);
injectedEditorPanel = panel;
// hookup file input and button
const editorFile = panel.querySelector('#dasgar_editor_file');
const editorBtn = panel.querySelector('#dasgar_editor_convert');
editorFile.addEventListener('change', (ev) => {
const f = ev.target.files && ev.target.files[0];
if (!f) return;
if (f.size > MAX_SIZE_BYTES) { setStatus('Editor upload too large (max ' + Math.round(MAX_SIZE_BYTES/1024) + ' KB).'); return; }
const obj = URL.createObjectURL(f);
const img = new Image();
img.onload = () => { loadedImage = img; drawPreviewFromImage(img); setStatus('Editor file loaded. Click Convert & Inject to place into editor.'); URL.revokeObjectURL(obj); };
img.onerror = () => { setStatus('Editor file load failed.'); URL.revokeObjectURL(obj); };
img.src = obj;
});
editorBtn.addEventListener('click', async () => {
if (!loadedImage && !cachedFinal) { setStatus('No image to inject — upload or select from library.'); return; }
// make final canvas from loadedImage or cachedFinal
const src = loadedImage || (cachedFinal ? (()=>{ const tmp = document.createElement('canvas'); tmp.width = cachedFinal.width; tmp.height = cachedFinal.height; tmp.getContext('2d').drawImage(cachedFinal,0,0); return tmp; })() : null);
if (!src) { setStatus('Nothing to inject.'); return; }
const size = parseInt(sizeSelect.value,10) || FINAL_SIZE;
const finalCanvas = makeFinalCanvas(src, size, parseInt(borderWInput.value,10)||0, borderInput.value, bgInput.value);
cachedFinal = finalCanvas;
// try injecting to editor canvas
const ok = await injectIntoEditorAndSave(finalCanvas);
setStatus(ok ? 'Injected & attempted Save on site (check site).' : 'Could not inject / find Save; try opening skin editor.');
});
return panel;
} catch (err) {
console.warn('injectEditor error', err);
return null;
}
}
// observe DOM for canvas/modal changes and inject panel when editor opens
const domObserver = new MutationObserver(() => {
try { injectUploadPanelIntoEditor(); } catch(e){}
});
domObserver.observe(document.documentElement || document.body, { childList: true, subtree: true });
/* ---------- attempt to inject a final canvas into the editor canvas & click Save ---------- */
async function injectIntoEditorAndSave(finalCanvas){
try {
const editorCanvas = findEditorCanvas();
if (!editorCanvas) { console.warn('No editor canvas'); return false; }
// try to draw into editor canvas context
try {
const ectx = editorCanvas.getContext('2d');
ectx.save();
// compute destination square for draw
const dst = Math.min(editorCanvas.width, editorCanvas.height);
const dx = (editorCanvas.width - dst) / 2, dy = (editorCanvas.height - dst) / 2;
// clip circle area if possible
try { ectx.beginPath(); ectx.arc(editorCanvas.width/2, editorCanvas.height/2, dst/2 - 1, 0, Math.PI*2); ectx.closePath(); ectx.clip(); } catch(e){}
ectx.drawImage(finalCanvas, dx, dy, dst, dst);
ectx.restore();
setStatus('Injected into the editor canvas.');
} catch (err) {
console.warn('draw into editor failed', err);
return false;
}
// find a visible Save button (heuristic)
const buttons = Array.from(document.querySelectorAll('button, a, input[type="button"], input[type="submit"]')).filter(el => {
try {
if (el.offsetParent === null) return false; // not visible
const txt = (el.innerText || el.value || el.title || '').trim().toLowerCase();
return /save|upload|create|apply|convert/i.test(txt);
} catch(e){ return false; }
});
// pick the Save-looking one closest to editorCanvas
let saveBtn = null;
if (buttons.length) {
// score by proximity to editor canvas
const rc = editorCanvas.getBoundingClientRect();
let best = Infinity;
buttons.forEach(b => {
const rb = b.getBoundingClientRect();
const dist = Math.hypot((rb.left+rb.width/2)-(rc.left+rc.width/2), (rb.top+rb.height/2)-(rc.top+rc.height/2));
if (dist < best) { best = dist; saveBtn = b; }
});
}
if (saveBtn) {
// click it programmatically (safest: dispatch MouseEvents)
setStatus('Found Save button — clicking to save to account (you must be logged in).');
saveBtn.dispatchEvent(new MouseEvent('mouseover', { bubbles: true, cancelable: true }));
await new Promise(r => setTimeout(r, 80));
saveBtn.dispatchEvent(new MouseEvent('mousedown', { bubbles: true, cancelable: true }));
await new Promise(r => setTimeout(r, 40));
saveBtn.dispatchEvent(new MouseEvent('mouseup', { bubbles: true, cancelable: true }));
saveBtn.click();
return true;
} else {
setStatus('No Save button found near editor — either site changed UI or editor is not open.');
return false;
}
} catch (e) {
console.warn('inject+save error', e); setStatus('Injection failed: ' + (e.message||e)); return false;
}
}
/* ---------- top-level Apply button tries to inject cachedFinal or ask user steps ---------- */
applySiteBtn.addEventListener('click', async () => {
if (!cachedFinal) {
if (!loadedImage) { setStatus('No skin prepared — use Upload or URL then Convert first.'); return; }
// auto convert to final using chosen size & border
const size = parseInt(sizeSelect.value,10) || FINAL_SIZE;
cachedFinal = makeFinalCanvas(loadedImage, size, parseInt(borderWInput.value,10) || 0, borderInput.value, bgInput.value);
}
setStatus('Attempting to inject & save to agar.io (site editor must be open).');
const ok = await injectIntoEditorAndSave(cachedFinal);
setStatus(ok ? 'Attempt done — check site/editor and Save dialog.' : 'Could not inject — open the site skin editor and try again.');
});
/* ---------- try restore last cached small skin for preview ---------- */
(function restoreCached(){
try {
const s = localStorage.getItem(CACHED_KEY);
if (s) {
const img = new Image(); img.onload = ()=>{ loadedImage = img; drawPreviewFromImage(img); setStatus('Restored cached small skin.'); }; img.src = s;
}
} catch(e){}
})();
/* ---------- wire color/border live preview (if loadedImage) ---------- */
bgInput.addEventListener('input', ()=>{ if (loadedImage) drawPreviewFromImage(loadedImage); });
borderInput.addEventListener('input', ()=>{ if (loadedImage) drawPreviewFromImage(loadedImage); });
borderWInput.addEventListener('input', ()=>{ if (loadedImage) drawPreviewFromImage(loadedImage); });
/* ---------- initial attempt to inject panel if editor already open ---------- */
setTimeout(injectUploadPanelIntoEditor, 900);
// and periodically try (so when user opens editor UI we inject)
setInterval(injectUploadPanelIntoEditor, 1500);
/* ---------- final console message ---------- */
console.log('[Dasgar YT Skins v1.3] loaded — use URL/file → Convert & Add to Library → Upload→Save to agar.io (editor must be open & you must be signed in).');
})();