/** ApiManager class for handling API requests, responses, and interactions.
* Note: Fetch spying is done in main.js, not here.
* @since 0.11.1
*/
import TemplateManager from "./templateManager.js";
import { escapeHTML, numberToEncoded, serverTPtoDisplayTP } from "./utils.js";
export default class ApiManager {
/** Constructor for ApiManager class
* @param {TemplateManager} templateManager
* @since 0.11.34
*/
constructor(templateManager) {
this.templateManager = templateManager;
this.disableAll = false; // Should the entire userscript be disabled?
this.coordsTilePixel = []; // Contains the last detected tile/pixel coordinate pair requested
this.templateCoordsTilePixel = []; // Contains the last "enabled" template coords
}
/** Determines if the spontaneously recieved response is something we want.
* Otherwise, we can ignore it.
* Note: Due to aggressive compression, make your calls like `data['jsonData']['name']` instead of `data.jsonData.name`
*
* @param {Overlay} overlay - The Overlay class instance
* @since 0.11.1
*/
spontaneousResponseListener(overlay) {
// Triggers whenever a message is sent
window.addEventListener('message', async (event) => {
const data = event.data; // The data of the message
const dataJSON = data['jsonData']; // The JSON response, if any
// Kills itself if the message was not intended for Blue Marble
if (!(data && data['source'] === 'blue-marble')) {return;}
// Kills itself if the message has no endpoint (intended for Blue Marble, but not this function)
if (!data['endpoint']) {return;}
// Trims endpoint to the second to last non-number, non-null directoy.
// E.g. "wplace.live/api/pixel/0/0?payload" -> "pixel"
// E.g. "wplace.live/api/files/s0/tiles/0/0/0.png" -> "tiles"
const endpointText = data['endpoint']?.split('?')[0].split('/').filter(s => s && isNaN(Number(s))).filter(s => s && !s.includes('.')).pop();
console.log(`%cBlue Marble%c: Recieved message about "%s"`, 'color: cornflowerblue;', '', endpointText);
// Each case is something that Blue Marble can use from the fetch.
// For instance, if the fetch was for "me", we can update the overlay stats
switch (endpointText) {
case 'me': // Request to retrieve user data
// If the game can not retrieve the userdata...
if (dataJSON['status'] && dataJSON['status']?.toString()[0] != '2') {
// The server is probably down (NOT a 2xx status)
overlay.handleDisplayError(`You are not logged in!\nCould not fetch userdata.`);
return; // Kills itself before attempting to display null userdata
}
const nextLevelPixels = Math.ceil(Math.pow(Math.floor(dataJSON['level']) * Math.pow(30, 0.65), (1/0.65)) - dataJSON['pixelsPainted']); // Calculates pixels to the next level
console.log(dataJSON['id']);
if (!!dataJSON['id'] || dataJSON['id'] === 0) {
console.log(numberToEncoded(
dataJSON['id'],
'!#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[]^_`abcdefghijklmnopqrstuvwxyz{|}~'
));
}
this.templateManager.userID = dataJSON['id'];
overlay.updateInnerHTML('bm-user-name', `Username: <b>${escapeHTML(dataJSON['name'])}</b>`); // Updates the text content of the username field
overlay.updateInnerHTML('bm-user-droplets', `Droplets: <b>${new Intl.NumberFormat().format(dataJSON['droplets'])}</b>`); // Updates the text content of the droplets field
overlay.updateInnerHTML('bm-user-nextlevel', `Next level in <b>${new Intl.NumberFormat().format(nextLevelPixels)}</b> pixel${nextLevelPixels == 1 ? '' : 's'}`); // Updates the text content of the next level field
break;
case 'pixel': // Request to retrieve pixel data
const coordsTile = data['endpoint'].split('?')[0].split('/').filter(s => s && !isNaN(Number(s))); // Retrieves the tile coords as [x, y]
const payloadExtractor = new URLSearchParams(data['endpoint'].split('?')[1]); // Declares a new payload deconstructor and passes in the fetch request payload
const coordsPixel = [payloadExtractor.get('x'), payloadExtractor.get('y')]; // Retrieves the deconstructed pixel coords from the payload
// Don't save the coords if there are previous coords that could be used
if (this.coordsTilePixel.length && (!coordsTile.length || !coordsPixel.length)) {
overlay.handleDisplayError(`Coordinates are malformed!\nDid you try clicking the canvas first?`);
return; // Kills itself
}
this.coordsTilePixel = [...coordsTile, ...coordsPixel]; // Combines the two arrays such that [x, y, x, y]
const displayTP = serverTPtoDisplayTP(coordsTile, coordsPixel);
const spanElements = document.querySelectorAll('span'); // Retrieves all span elements
// For every span element, find the one we want (pixel numbers when canvas clicked)
for (const element of spanElements) {
if (element.textContent.trim().includes(`${displayTP[0]}, ${displayTP[1]}`)) {
let displayCoords = document.querySelector('#bm-display-coords'); // Find the additional pixel coords span
const text = `(Tl X: ${coordsTile[0]}, Tl Y: ${coordsTile[1]}, Px X: ${coordsPixel[0]}, Px Y: ${coordsPixel[1]})`;
// If we could not find the addition coord span, we make it then update the textContent with the new coords
if (!displayCoords) {
displayCoords = document.createElement('span');
displayCoords.id = 'bm-display-coords';
displayCoords.textContent = text;
displayCoords.style = 'margin-left: calc(var(--spacing)*3); font-size: small;';
element.parentNode.parentNode.parentNode.insertAdjacentElement('afterend', displayCoords);
} else {
displayCoords.textContent = text;
}
}
}
break;
case 'tiles':
// Runs only if the tile has the template
let tileCoordsTile = data['endpoint'].split('/');
tileCoordsTile = [parseInt(tileCoordsTile[tileCoordsTile.length - 2]), parseInt(tileCoordsTile[tileCoordsTile.length - 1].replace('.png', ''))];
const blobUUID = data['blobID'];
const blobData = data['blobData'];
const templateBlob = await this.templateManager.drawTemplateOnTile(blobData, tileCoordsTile);
window.postMessage({
source: 'blue-marble',
blobID: blobUUID,
blobData: templateBlob,
blink: data['blink']
});
break;
case 'robots': // Request to retrieve what script types are allowed
this.disableAll = dataJSON['userscript']?.toString().toLowerCase() == 'false'; // Disables Blue Marble if site owner wants userscripts disabled
break;
}
});
}
}