Subway Surfers Barcelona: WebGL Game Loader

1,379 iroger7

<base href="https://cdn.jsdelivr.net/gh/bubbls/subwaysurfersmerge/">
<html>
    <meta charset="utf-8" />
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>Subway Surfers: Barcelona</title>
    <link rel="icon" href="img/FirstAvatar.png">
    <script src="4399.ss.js"></script>
    <script>
        window.config = {
            loader: "unity",
            debug: false,
            maxRatio: 16 / 9,
            minRatio: 9 / 16,
            title: 'Subway Surfers: Barcelona',
            unityVersion: '2019.2.0f1',
            unityWebglBuildUrl: 'Barcelona.json',
            fileSize: 26,
            cachedDecompressedFileSizes: {
                'Barcelona.wasm.framework.unityweb': 537217,
                'Barcelona.wasm.code.unityweb': 26475054,
                'Barcelona.data.unityweb': 26686614,
            },
        };

window.mergedBlobUrls = {};
        window.assetsReady = false;

async function mergeSplitFile(fileUrlBase, numParts = 2) {
            const partUrls = Array.from({ length: numParts }, (_, i) => 
                `${fileUrlBase}.part${i + 1}`
            );

try {
                const responses = await Promise.all(
                    partUrls.map(url => fetch(url))
                );

if (responses.some(r => !r.ok)) {
                    return null;
                }

const parts = await Promise.all(
                    responses.map(r => r.arrayBuffer())
                );

const combinedBlob = new Blob(parts, {
                    type: 'application/octet-stream'
                });

return URL.createObjectURL(combinedBlob);
            } catch (error) {
                return null;
            }
        }

function setupXHRInterceptor() {
            if (window.xhrInterceptorInstalled) {
                return;
            }
            
            const originalOpen = XMLHttpRequest.prototype.open;
            const originalSend = XMLHttpRequest.prototype.send;

XMLHttpRequest.prototype.open = function(method, url, ...args) {
                this._url = url;
                this._method = method;
                this._args = args;
                
                let finalUrl = url;
                for (const [filename, blobUrl] of Object.entries(window.mergedBlobUrls)) {
                    if (url.includes(filename)) {
                        finalUrl = blobUrl;
                        break;
                    }
                }
                
                return originalOpen.call(this, method, finalUrl, ...args);
            };

XMLHttpRequest.prototype.send = function(...args) {
                const xhr = this;
                
                if (!window.assetsReady) {
                    const checkReady = setInterval(() => { 
                        if (window.assetsReady) {
                            clearInterval(checkReady);
                            originalSend.apply(xhr, args);
                        }
                    }, 50);
                    return;
                }
                
                return originalSend.apply(this, args);
            };
            
            window.xhrInterceptorInstalled = true;
        }

async function prepareGameAssets() {
            try {
                window.assetsReady = false;
                delete window.xhrInterceptorInstalled;
                window.mergedBlobUrls = {};
                
                setupXHRInterceptor();
                
                const filesToMerge = [
                    'Barcelona.data.unityweb',
                    'Barcelona.wasm.code.unityweb'
                ];
                 
                for (const filename of filesToMerge) {
                    const blobUrl = await mergeSplitFile(filename, 2);
                    if (blobUrl) {
                        window.mergedBlobUrls[filename] = blobUrl;
                    }
                }
                
                window.assetsPrepared = true;
                window.assetsReady = true;
                
            } catch (error) {
                window.assetsPrepared = false;
                window.assetsReady = true;
            }
        }

prepareGameAssets();

</script>
</head>
<body>
    <script src="master-loader.js"></script>
</body>
</html>

CSS

Subway Surfers Barcelona: WebGL Game Loader

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