OU Logo

//Version 1.0 (I guess)

OFFSET_X = 0;
OFFSET_Y = 922;

waitDuration = 5;
modHash = null;

//white: 0, lightGrey: 1, grey: 2, black: 3,
//pink: 4, red: 5, orange: 6, brown: 7,
//yellow: 8, lightGreen: 9, green: 10, cyan: 11,
//teal: 12, blue: 13, fuchsia: 14, purple: 15
f = -1;

// A modification of https://pastebin.com/diTKQgX2 originally intended for this Star Citizen logo: https://i.imgur.com/L1fAeTY.png
// Repurposed by /u/Kicooi for OU logo
image =	[[0,0,0,0,3,5,5,5,5,5,5,5,5,3,0,0,0,0,0,0,0,0,0,0,0,0],
        [0,0,0,3,5,5,5,5,5,5,5,5,5,5,3,0,0,0,0,0,0,0,0,0,0,0],
        [0,0,3,5,5,5,5,5,5,5,5,5,5,5,5,3,0,0,0,0,0,0,0,0,0,0],
        [0,3,5,5,5,5,5,5,5,5,5,5,5,5,5,5,3,0,0,0,0,0,0,0,0,0],
        [3,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,0,0,0,0,0,0,0,0],
        [3,5,5,5,5,5,3,3,3,3,3,3,3,5,5,5,5,5,0,0,0,0,0,0,0,0],
        [3,5,5,5,5,5,0,0,0,0,0,0,0,5,5,5,5,5,0,0,0,0,0,0,0,0],
        [3,5,5,5,5,5,0,0,0,0,0,0,0,5,5,5,5,5,0,0,0,0,0,0,0,0],
        [3,5,5,5,5,5,0,0,0,0,0,0,0,5,5,5,5,5,0,0,0,0,0,0,0,0],
        [3,5,5,5,5,5,0,0,0,0,0,0,0,5,5,5,5,5,0,0,0,0,0,0,0,0],
        [3,5,5,5,5,5,0,3,3,3,3,3,0,5,5,5,5,5,0,2,3,3,3,3,2,0],
        [3,5,5,5,5,5,3,5,5,5,5,5,3,5,5,5,5,5,0,3,5,5,5,5,3,0],
        [3,5,5,5,5,5,3,5,5,5,5,5,3,5,5,5,5,5,0,3,5,5,5,5,3,0],
        [3,5,5,5,5,5,3,5,5,5,5,5,3,5,5,5,5,5,0,3,5,5,5,5,3,0],
        [3,5,5,5,5,5,3,5,5,5,5,5,3,5,5,5,5,5,0,3,5,5,5,5,3,0],
        [3,5,5,5,5,5,3,5,5,5,5,5,3,5,5,5,5,5,0,3,5,5,5,5,3,0],
        [3,5,5,5,5,5,3,5,5,5,5,5,3,5,5,5,5,5,0,3,5,5,5,5,3,0],
        [3,5,5,5,5,5,3,5,5,5,5,5,3,5,5,5,5,5,0,3,5,5,5,5,3,0],
        [3,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,0,3,5,5,5,5,3,0],
        [3,2,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,2,0,3,5,5,5,5,3,0],
        [0,3,2,5,5,5,5,5,5,5,5,5,5,5,5,5,2,0,0,3,5,5,5,5,3,0],
        [0,0,3,2,5,5,5,5,5,5,5,5,5,5,5,2,0,0,0,3,5,5,5,5,3,0],
        [0,0,0,3,2,5,5,5,5,5,5,5,5,5,2,0,0,0,0,3,5,5,5,5,3,0],
        [0,0,0,0,3,2,2,5,5,5,5,5,2,2,0,0,0,0,0,3,5,5,5,5,3,0],
        [0,0,0,0,0,0,3,5,5,5,5,5,3,0,0,0,0,0,0,3,5,5,5,5,3,0],
        [0,0,0,0,0,0,3,5,5,5,5,5,3,0,0,0,0,0,0,3,5,5,5,5,3,0],
        [0,0,0,0,0,0,3,5,5,5,5,5,2,3,3,3,3,3,2,5,5,5,5,5,3,0],
        [0,0,0,0,0,0,3,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,3,0],
        [0,0,0,0,0,0,0,3,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,3,0,0],
        [0,0,0,0,0,0,0,0,3,5,5,5,5,5,5,5,5,5,5,5,5,5,3,0,0,0],
        [0,0,0,0,0,0,0,0,0,3,5,5,5,5,5,5,5,5,5,5,5,3,0,0,0,0],
	[0,0,0,0,0,0,0,0,0,0,3,5,5,5,5,5,5,5,5,5,3,0,0,0,0,0]
	[0,0,0,0,0,0,0,0,0,0,0,3,3,3,3,3,3,3,3,3,0,0,0,0,0,0]];


function start(x, y) {
    OFFSET_X = !x ? OFFSET_X : x;
    OFFSET_Y = !y ? OFFSET_Y : y;
    modHash = getModHash();
    main(0, 0);
}

function main(x, y) {
    var timer = drawIfNecessary(x, y);
    log('waiting ' + timer + ' milliseconds');
    x = (x + 1) % image[y].length;
    if (x === 0) {
        y = (y + 1) % image.length;
    }
    setTimeout(main, timer, x, y);
}

function drawIfNecessary(x, y) {
    if (image[y][x] < 0) return 0;
    canvasX = x + OFFSET_X;
    canvasY = y + OFFSET_Y;
    var pixelColour = pixelRequest(canvasX, canvasY);
    log('found pixel colour ' + pixelColour + ' at ' + canvasX + ',' +canvasY);
    var desiredColour = image[y][x];
    if (pixelColour == -1)
    {
        desiredColour = pixelColour
    }
    return (pixelColour == desiredColour) ? 5 : draw(canvasX, canvasY, desiredColour);
}


function sendSynchronousRequest(method, url, headers, params) {
    var xhr = new XMLHttpRequest();
    xhr.open(method, url, false);
    for (var h in headers) {
        xhr.setRequestHeader(h, headers[h]);
    }
    var firstParam = true;
    var paramString = '';
    for (var p in params) {
        if (firstParam) {
            firstParam = false;
        } else {
            paramString += '&';
        }
        paramString += p + '=' + params[p];
    }
    xhr.send(paramString);
    return xhr;
}


function getModHash() {
    var xhr = sendSynchronousRequest('GET', 'api/me.json', {}, {});

    if (xhr.readyState !== 4) throw 'oh shit';
    if (xhr.status !== 200) {
        alert("Couldn't obtain modhash. Are you logged into Reddit?");
        throw 'bollocks';
    }
    var response = JSON.parse(xhr.responseText);
    return response.data.modhash;
}


function pixelRequest(x, y) {
    var url = '/api/place/pixel.json?x=' + x + '&y=' + y;

    var xhr = sendSynchronousRequest('GET', url, {
        'x-requested-with': 'XMLHttpRequest',
        'x-modhash': modHash
    }, {});

    if (xhr.readyState !== 4) throw 'oh shit';
    if (xhr.status !== 200) {
        log(xhr);
        //throw 'bollocks';
        return -1;
    }
    else
    {
    var response = JSON.parse(xhr.responseText);
    return response.color;
    }

}


function draw(x, y, colour) {
    log('attempting to draw a pixel at (' + x + ',' + y + ')');
    var xhr = sendSynchronousRequest('POST', '/api/place/draw.json', {
        'Content-type': 'application/x-www-form-urlencoded; charset=UTF-8',
        'x-requested-with': 'XMLHttpRequest',
        'x-modhash': modHash
    }, {
        x: x,
        y: y,
        color: colour
    });

    if (xhr.readyState !== 4) throw 'oh shit';
    if (xhr.status !== 200 && xhr.status !== 429) {
        log(xhr);
        throw 'bollocks';
    }
    var response = JSON.parse(xhr.responseText);
    return response.wait_seconds * 1000;
}


function log(message) {
    var d = new Date();
    var YYYY = d.getFullYear();
    var MM = ('0' + (d.getMonth() + 1)).slice(-2);
    var DD = ('0' + d.getDate()).slice(-2);
    var hh = ('0' + d.getHours()).slice(-2);
    var mm = ('0' + d.getMinutes()).slice(-2);
    var ss = ('0' + d.getSeconds()).slice(-2);
    var dateString = '[' + YYYY + '/' + MM + '/' + DD + ' ' + hh + ':' + mm + ':' + ss + ']';
    console.log(dateString, message);
}


function setOffsets(x, y) {
    OFFSET_X = x;
    OFFSET_Y = y;
    log('Moving image origin to (' + x + ',' + y + ')');
}


start();