MediaWiki:DropCalc.js

// --- DROPRATE CALCULATOR WITH TABLE ---
mw.hook('wikipage.content').add(function () {
    var container = document.getElementById("dropCalcContainer");
    if (!container) return;

    // Build HTML: Table
    container.innerHTML =
        '<table id="dropCalcTable" style="border-collapse: collapse; width: 100%; max-width: 500px;">' +
        '<thead></thead><tbody></tbody></table>' +
        '<br><button id="calcDropBtn">Calculate Drop Rate</button>' +
        '<div style="margin-top:10px;">Final Drop Rate: <span id="finalDrop">0</span></div>';

    var table = document.getElementById("dropCalcTable");
    var header = table.createTHead();
    var headerRow = header.insertRow();

    headerRow.innerHTML =
        '<th style="padding-left: 10px;">Bonus</th>' +
        '<th>Percentage</th>' +
        '<th>Drop Rate</th>';

    headerRow.style.background = '#222e45';
    headerRow.style.color = '#fff';
    headerRow.style.fontWeight = 'bold';
    headerRow.style.textAlign = 'left';

    var tbody = table.tBodies[0];

    var bonuses = [
        {
            name: "Donator Rank",
            id: "donatorBonus",
            options: [
                {name: "None", value:0},
                {name: "Donator 15%", value:15},
                {name: "Super Donator 25%", value:25},
                {name: "Extreme Donator 30%", value:30},
                {name: "Legendary Donator 35%", value:35},
                {name: "Royal Donator 40%", value:40},
                {name: "Divine Donator 45%", value:45}
            ]
        },
        {
            name: "Monster Slayer Perk",
            id: "slayerBonus",
            options: [
                {name:"None", value:0},
                {name:"10%", value:10}
            ]
        },
        {
            name: "Collector's Ring",
            id: "ringBonus",
            options: [
                {name:"None", value:0},
                {name:"3%", value:3},
                {name:"6%", value:6}
            ]
        },
        {
            name: "Skull Bonus",
            id: "skullBonus",
            options: [
                {name:"None", value:0},
                {name:"20%", value:20}
            ]
        },
        {
            name: "Voting Bonus",
            id: "voteBonus",
            options: [
                {name:"None", value:0},
                {name:"20%", value:20}
            ]
        }
    ];

    bonuses.forEach(function(bonus, index) {

        var row = tbody.insertRow();
        row.style.background = index % 2 === 0 ? '#313e59' : '#222e45';

        var cell1 = row.insertCell();
        cell1.textContent = bonus.name;
        cell1.style.padding = '5px';

        var cell2 = row.insertCell();
        var select = document.createElement('select');
        select.id = bonus.id;

        bonus.options.forEach(function(opt){
            var option = document.createElement('option');
            option.value = opt.value;
            option.textContent = opt.name;
            select.appendChild(option);
        });

        cell2.appendChild(select);
        cell2.style.padding = '5px';

        var cell3 = row.insertCell();
        cell3.id = bonus.id + "Preview";
        cell3.textContent = "-";
        cell3.style.padding = '5px';
    });

    // Searchable item selector
    var baseDiv = document.createElement('div');
    baseDiv.style.margin = '10px 0';

    baseDiv.innerHTML =
        'Item: <input list="dropItems" id="itemSearch" placeholder="Search item..." style="width:220px;"> ' +
        'Base Rate: <input type="number" id="baseRate" value="1000" style="width:80px;">' +

        '<datalist id="dropItems">' +
        '<option data-rate="256" value="Zaryte Crossbow (1/256)">' +
        '<option data-rate="350" value="Torva Full Helm (1/350)">' +
        '<option data-rate="2560" value="Voidwaker gem (1/2560)">' +
        '<option data-rate="2560" value="Voidwaker hilt (1/2560)">' +
        '<option data-rate="2560" value="Voidwaker blade (1/2560)">' +
        '<option data-rate="128" value="Ancient godsword (1/128)">' +
        '<option data-rate="64" value="Zaryte vambraces (1/64)">' +
        '</datalist>';

    container.insertBefore(baseDiv, table);

    // Auto-fill base rate
    var itemInput = document.getElementById("itemSearch");

    itemInput.onchange = function() {

        var options = document.getElementById("dropItems").options;
        var val = itemInput.value;

        for (var i = 0; i < options.length; i++) {

            if (options[i].value === val) {

                var rate = options[i].getAttribute("data-rate");
                document.getElementById("baseRate").value = rate;

                break;
            }
        }
    };

    // Calculation
    document.getElementById("calcDropBtn").onclick = function() {

        var base = parseFloat(document.getElementById("baseRate").value) || 0;
        var finalRate = base;

        bonuses.forEach(function(bonus) {

            var val = parseFloat(document.getElementById(bonus.id).value) || 0;

            finalRate *= (1 - val / 100);

            document.getElementById(bonus.id + "Preview").textContent = Math.floor(finalRate);
        });

        document.getElementById("finalDrop").textContent = Math.floor(finalRate);
    };

});