Calculate combat profit with uniform midas/extractor options.
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// ==UserScript==
// @name Elethor Combat Calculator
// @namespace http://tampermonkey.net/
// @version 1.11
// @description Calculate combat profit with uniform midas/extractor options.
// @author Eugene
// @match https://elethor.com/*
// @grant GM_xmlhttpRequest
// @esversion 11
// @license GPL-3.0-or-later
// ==/UserScript==
/*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
(function() {
'use strict';
const monsterData = {
'Apex Nassul': { mobDrop: 'Ether Flux', itemId: 381, baseMobDropChance: 40.5, baseGoldDropChance: 100 },
'Scarlet Merchant': { mobDrop: null, itemId: null, baseMobDropChance: 0, baseGoldDropChance: 100 },
'Voidkin Artificier': { mobDrop: 'Void Artifact', itemId: 385, baseMobDropChance: 100, baseGoldDropChance: 100 },
'Voidstalker': { mobDrop: 'Tattered Cowl', itemId: 386, baseMobDropChance: 40.5, baseGoldDropChance: 100 },
'Tunnel Ambusher': { mobDrop: 'Carapace Segment', itemId: 387, baseMobDropChance: 40.5, baseGoldDropChance: 100 },
'Elite Guard Broodmother': { mobDrop: 'Elite Guard Insignia', itemId: 388, baseMobDropChance: 40.5, baseGoldDropChance: 100 }
};
function createButton() {
const button = document.createElement('button');
button.textContent = 'Combat Calculator';
button.style.cssText = "position: fixed; top: 20px; right: 20px; background-color: #4CAF50; color: white; padding: 10px 20px; border: none; border-radius: 5px; cursor: pointer; z-index: 1000;";
document.body.appendChild(button);
button.addEventListener('click', toggleCalculator);
}
function createCalculatorUI() {
const container = document.createElement('div');
container.id = 'combatCalculator';
container.style.cssText = "display: none; position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); background-color: black; color: white; padding: 20px; border-radius: 10px; box-shadow: 0 0 10px rgba(255,255,255,0.5); z-index: 1001; max-height: 80vh; overflow-y: auto; min-width: 800px;";
const title = document.createElement('h2');
title.textContent = 'Combat Calculator';
title.style.textAlign = 'center';
const subtitle = document.createElement('h3');
subtitle.style.textAlign = 'center';
subtitle.innerHTML = 'Made by <a href="https://elethor.com/profile/49979" target="_blank">Eugene</a>';
container.appendChild(title);
container.appendChild(subtitle);
// -- Uniform Settings Container --
const uniformContainer = document.createElement('div');
uniformContainer.id = 'uniformContainer';
uniformContainer.style.cssText = "margin: 10px 0; padding: 10px; border: 1px solid white;";
// Uniform Midas Checkbox
const uniformMidasLabel = document.createElement('label');
uniformMidasLabel.style.marginRight = '20px';
const uniformMidasCheckbox = document.createElement('input');
uniformMidasCheckbox.type = 'checkbox';
uniformMidasCheckbox.id = 'uniformMidasCheckbox';
uniformMidasLabel.appendChild(uniformMidasCheckbox);
uniformMidasLabel.appendChild(document.createTextNode(' Uniform Midas'));
uniformMidasCheckbox.addEventListener('change', function() {
document.querySelectorAll('.midas-input').forEach(input => {
input.disabled = this.checked;
input.parentElement.classList.toggle('disabled-input', this.checked);
});
});
uniformContainer.appendChild(uniformMidasLabel);
// Uniform Extractor Checkbox
const uniformExtractorLabel = document.createElement('label');
const uniformExtractorCheckbox = document.createElement('input');
uniformExtractorCheckbox.type = 'checkbox';
uniformExtractorCheckbox.id = 'uniformExtractorCheckbox';
uniformExtractorLabel.appendChild(uniformExtractorCheckbox);
uniformExtractorLabel.appendChild(document.createTextNode(' Uniform Extractor'));
uniformExtractorCheckbox.addEventListener('change', function() {
document.querySelectorAll('.extractor-input').forEach(input => {
input.disabled = this.checked;
input.parentElement.classList.toggle('disabled-input', this.checked);
});
});
uniformContainer.appendChild(uniformExtractorLabel);
// Global Midas Input (hidden by default)
const globalMidasContainer = document.createElement('div');
globalMidasContainer.id = 'globalMidasContainer';
globalMidasContainer.style.cssText = "display: none; margin-top: 10px;";
const globalMidasLabel = document.createElement('label');
globalMidasLabel.textContent = 'Global Midas %: ';
const globalMidasInput = document.createElement('input');
globalMidasInput.type = 'number';
globalMidasInput.id = 'globalMidasInput';
globalMidasInput.min = '0';
globalMidasInput.style.cssText = "background-color: white; color: black;";
globalMidasContainer.appendChild(globalMidasLabel);
globalMidasContainer.appendChild(globalMidasInput);
uniformContainer.appendChild(globalMidasContainer);
// Global Extractor Input (hidden by default)
const globalExtractorContainer = document.createElement('div');
globalExtractorContainer.id = 'globalExtractorContainer';
globalExtractorContainer.style.cssText = "display: none; margin-top: 10px;";
const globalExtractorLabel = document.createElement('label');
globalExtractorLabel.textContent = 'Global Extractor %: ';
const globalExtractorInput = document.createElement('input');
globalExtractorInput.type = 'number';
globalExtractorInput.id = 'globalExtractorInput';
globalExtractorInput.min = '0';
globalExtractorInput.style.cssText = "background-color: white; color: black;";
globalExtractorContainer.appendChild(globalExtractorLabel);
globalExtractorContainer.appendChild(globalExtractorInput);
uniformContainer.appendChild(globalExtractorContainer);
// Event listeners for uniform checkboxes
uniformMidasCheckbox.addEventListener('change', function() {
if (this.checked) {
globalMidasContainer.style.display = 'block';
// Disable individual midas inputs
document.querySelectorAll('.midas-input').forEach(input => {
input.disabled = true;
input.style.backgroundColor = '#f0f0f0';
});
} else {
globalMidasContainer.style.display = 'none';
// Enable individual midas inputs
document.querySelectorAll('.midas-input').forEach(input => {
input.disabled = false;
input.style.backgroundColor = 'white';
});
}
});
uniformExtractorCheckbox.addEventListener('change', function() {
if (this.checked) {
globalExtractorContainer.style.display = 'block';
// Disable individual extractor inputs
document.querySelectorAll('.extractor-input').forEach(input => {
input.disabled = true;
input.style.backgroundColor = '#f0f0f0';
});
} else {
globalExtractorContainer.style.display = 'none';
document.querySelectorAll('.extractor-input').forEach(input => {
input.disabled = false;
input.style.backgroundColor = 'white';
});
}
});
container.appendChild(uniformContainer);
// -------------------------------
const monsterList = document.createElement('div');
monsterList.style.marginTop = '20px';
for (const monster in monsterData) {
const row = createMonsterRow(monster, monsterData[monster]);
monsterList.appendChild(row);
}
const calculateButton = document.createElement('button');
calculateButton.textContent = 'Calculate';
calculateButton.style.cssText = "background-color: #4CAF50; color: white; padding: 10px 20px; border: none; border-radius: 5px; cursor: pointer; margin-top: 20px; width: 100%;";
calculateButton.addEventListener('click', calculateGpA);
container.appendChild(monsterList);
container.appendChild(calculateButton);
document.body.appendChild(container);
// Add overlay
const overlay = document.createElement('div');
overlay.id = 'calculatorOverlay';
overlay.style.cssText = "display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.5); z-index: 1000;";
overlay.addEventListener('click', toggleCalculator);
document.body.appendChild(overlay);
}
function createMonsterRow(monsterName, data) {
const row = document.createElement('div');
// Add a class to easily identify monster rows
row.classList.add('monster-row');
row.style.cssText = "display: grid; grid-template-columns: 200px repeat(6, 1fr) 100px; gap: 10px; margin-bottom: 15px; align-items: center; color: white;";
// Monster name
const nameLabel = document.createElement('div');
nameLabel.textContent = monsterName;
row.appendChild(nameLabel);
// Tier input
const tierInput = document.createElement('input');
tierInput.type = 'number';
tierInput.min = '0';
tierInput.max = '10000';
tierInput.placeholder = 'Tier';
tierInput.className = 'tier-input';
tierInput.style.backgroundColor = 'white';
tierInput.style.color = 'black';
row.appendChild(tierInput);
// Win rate input
const winRateInput = document.createElement('input');
winRateInput.type = 'number';
winRateInput.min = '0';
winRateInput.max = '100';
winRateInput.placeholder = 'Win Rate %';
winRateInput.className = 'winrate-input';
winRateInput.style.backgroundColor = 'white';
winRateInput.style.color = 'black';
row.appendChild(winRateInput);
// Price radio buttons
const priceContainer = document.createElement('div');
priceContainer.style.cssText = "display: flex; align-items: center; gap: 10px;";
const priceLabel = document.createElement('span');
priceLabel.textContent = 'Price: ';
priceContainer.appendChild(priceLabel);
const priceTypes = ['Buy price', 'Sell price', 'Manual'];
priceTypes.forEach((type, index) => {
const radioContainer = document.createElement('div');
radioContainer.style.cssText = "display: flex; align-items: center; gap: 4px;";
const radio = document.createElement('input');
radio.type = 'radio';
radio.name = `price-${monsterName}`;
radio.value = type.toLowerCase();
radio.id = `${type.toLowerCase()}-${monsterName}`;
radio.style.margin = '0';
if (index === 0) radio.checked = true;
const label = document.createElement('label');
label.htmlFor = radio.id;
label.textContent = type;
label.style.margin = '0';
radioContainer.appendChild(radio);
radioContainer.appendChild(label);
priceContainer.appendChild(radioContainer);
});
// Disable price options for Scarlet Merchant
if (monsterName === 'Scarlet Merchant') {
priceContainer.querySelectorAll('input[type="radio"]').forEach(radio => {
radio.disabled = true;
});
}
row.appendChild(priceContainer);
// Price input - always visible and persistent
const priceInput = document.createElement('input');
priceInput.type = 'number';
priceInput.min = '0';
priceInput.placeholder = monsterName === 'Scarlet Merchant' ? 'No mob drops' : 'Price';
priceInput.className = 'price-input';
priceInput.dataset.monster = monsterName;
priceInput.style.backgroundColor = monsterName === 'Scarlet Merchant' ? '#f0f0f0' : 'white';
priceInput.style.color = 'black';
if (monsterName === 'Scarlet Merchant') {
priceInput.disabled = true;
}
row.appendChild(priceInput);
// Load saved values from localStorage if available
const savedManualPrice = localStorage.getItem(`manual-price-${monsterName}`);
const savedTier = localStorage.getItem(`tier-${monsterName}`);
const savedWinRate = localStorage.getItem(`winrate-${monsterName}`);
if (savedManualPrice) {
priceInput.value = savedManualPrice;
}
if (savedTier) {
tierInput.value = savedTier;
}
if (savedWinRate) {
winRateInput.value = savedWinRate;
}
// Save tier and winrate to localStorage when they change
tierInput.addEventListener('input', () => {
localStorage.setItem(`tier-${monsterName}`, tierInput.value);
});
winRateInput.addEventListener('input', () => {
localStorage.setItem(`winrate-${monsterName}`, winRateInput.value);
});
// Save manual price to localStorage when it changes
priceInput.addEventListener('input', () => {
if (priceContainer.querySelector('input[value="manual"]:checked')) {
localStorage.setItem(`manual-price-${monsterName}`, priceInput.value);
}
});
// Handle price input behavior based on radio selection
priceContainer.querySelectorAll('input[type="radio"]').forEach(radio => {
// Load saved price type selection from localStorage
const savedPriceType = localStorage.getItem(`price-type-${monsterName}`);
if (savedPriceType && radio.value === savedPriceType) {
radio.checked = true;
}
radio.addEventListener('change', () => {
// Save price type selection to localStorage
localStorage.setItem(`price-type-${monsterName}`, radio.value);
if (radio.value === 'manual') {
priceInput.disabled = false;
priceInput.style.backgroundColor = 'white';
priceInput.placeholder = 'Enter price';
// Restore saved manual price if available
const savedPrice = localStorage.getItem(`manual-price-${monsterName}`);
if (savedPrice) {
priceInput.value = savedPrice;
}
} else {
priceInput.disabled = true;
priceInput.style.backgroundColor = '#f0f0f0';
priceInput.placeholder = 'Fetching price...';
// If monster has an item, fetch the price immediately
if (data.itemId) {
fetchMarketData(data.itemId, radio.value === 'buy price' ? 'buy' : 'sell')
.then(price => {
priceInput.value = price;
})
.catch(error => {
console.error(`Error fetching price for ${monsterName}:`, error);
priceInput.placeholder = 'Error fetching price';
});
}
}
});
});
// Set initial state based on saved or default selection
const selectedRadio = priceContainer.querySelector('input[type="radio"]:checked');
if (selectedRadio.value === 'manual') {
priceInput.disabled = false;
priceInput.style.backgroundColor = 'white';
priceInput.placeholder = 'Enter price';
} else {
priceInput.disabled = true;
priceInput.style.backgroundColor = '#f0f0f0';
priceInput.placeholder = 'Fetching price...';
// If monster has an item, fetch the price immediately
if (data.itemId) {
fetchMarketData(data.itemId, selectedRadio.value === 'buy price' ? 'buy' : 'sell')
.then(price => {
priceInput.value = price;
})
.catch(error => {
console.error(`Error fetching price for ${monsterName}:`, error);
priceInput.placeholder = 'Error fetching price';
});
}
}
// Midas percentage input
const midasInput = document.createElement('input');
midasInput.type = 'number';
midasInput.min = '0';
midasInput.placeholder = 'Midas %';
midasInput.className = 'midas-input';
midasInput.style.backgroundColor = 'white';
midasInput.style.color = 'black';
row.appendChild(midasInput);
// Load saved Midas value
const savedMidas = localStorage.getItem(`midas-${monsterName}`);
if (savedMidas) {
midasInput.value = savedMidas;
}
// Save Midas value when it changes
midasInput.addEventListener('input', () => {
localStorage.setItem(`midas-${monsterName}`, midasInput.value);
});
// Extractor percentage input
const extractorInput = document.createElement('input');
extractorInput.type = 'number';
extractorInput.min = '0';
extractorInput.placeholder = 'Extractor %';
extractorInput.className = 'extractor-input';
extractorInput.style.backgroundColor = 'white';
extractorInput.style.color = 'black';
row.appendChild(extractorInput);
// Load saved Extractor value
const savedExtractor = localStorage.getItem(`extractor-${monsterName}`);
if (savedExtractor) {
extractorInput.value = savedExtractor;
}
// Save Extractor value when it changes
extractorInput.addEventListener('input', () => {
localStorage.setItem(`extractor-${monsterName}`, extractorInput.value);
});
// GpA result
const gpaResult = document.createElement('div');
gpaResult.className = 'gpa-result';
row.appendChild(gpaResult);
return row;
}
async function fetchMarketData(itemId, priceType) {
return new Promise((resolve, reject) => {
GM_xmlhttpRequest({
method: 'GET',
url: `https://elethor.com/game/market/listings?itemId=${itemId}`,
onload: function(response) {
try {
const data = JSON.parse(response.responseText);
if (!data || !Array.isArray(data)) {
throw new Error('Invalid market data received');
}
const relevantListings = data.filter(listing => listing.type === priceType);
if (relevantListings.length === 0) {
throw new Error(`No ${priceType} listings found`);
}
if (priceType === 'sell') {
resolve(Math.min(...relevantListings.map(listing => listing.price)));
} else {
resolve(Math.max(...relevantListings.map(listing => listing.price)));
}
} catch (error) {
reject(error);
}
},
onerror: function(error) {
reject(error);
}
});
});
}
function calculateTierMultiplier(tier, isGold, isScarletMerchant) {
if (isGold) {
if (isScarletMerchant) {
return 1 + (tier * 0.2);
} else {
return 1 + (tier * 0.15);
}
} else {
return 1 + (tier * 0.75);
}
}
async function calculateGpA() {
// Use the specific class to get monster rows
const rows = document.querySelectorAll('.monster-row');
let maxGpA = -1;
let maxGpARow = null;
// Reset previous results
document.querySelectorAll('.gpa-result').forEach(result => {
result.textContent = '';
result.style.color = '';
});
// First refresh all market prices
for (const row of rows) {
const monsterName = row.querySelector('div').textContent;
const monsterInfo = monsterData[monsterName];
const selectedPriceType = row.querySelector('input[type="radio"]:checked')?.value;
const priceInput = row.querySelector('.price-input');
if (monsterInfo.itemId && selectedPriceType !== 'manual') {
try {
const price = await fetchMarketData(monsterInfo.itemId, selectedPriceType === 'buy price' ? 'buy' : 'sell');
priceInput.value = price;
} catch (error) {
console.error(`Error refreshing price for ${monsterName}:`, error);
}
}
}
for (const row of rows) {
const monsterName = row.querySelector('div').textContent;
const monsterInfo = monsterData[monsterName];
const tier = parseFloat(row.querySelector('.tier-input').value) || 0;
const winRate = parseFloat(row.querySelector('.winrate-input').value) || 0;
// Get individual values first…
let midasPercentage = parseFloat(row.querySelector('.midas-input').value) || 0;
let extractorPercentage = parseFloat(row.querySelector('.extractor-input').value) || 0;
// Override with global values if uniform mode is enabled
const uniformMidas = document.getElementById('uniformMidasCheckbox').checked;
const uniformExtractor = document.getElementById('uniformExtractorCheckbox').checked;
if (uniformMidas) {
midasPercentage = parseFloat(document.getElementById('globalMidasInput').value) || 0;
}
if (uniformExtractor) {
extractorPercentage = parseFloat(document.getElementById('globalExtractorInput').value) || 0;
}
let mobDropPrice = 0;
const selectedPriceType = row.querySelector('input[type="radio"]:checked')?.value;
if (monsterInfo.itemId && selectedPriceType !== 'manual') {
try {
mobDropPrice = await fetchMarketData(monsterInfo.itemId, selectedPriceType === 'buy price' ? 'buy' : 'sell');
} catch (error) {
console.error(`Error fetching price for ${monsterName}:`, error);
}
} else if (selectedPriceType === 'manual') {
mobDropPrice = parseFloat(row.querySelector('.price-input').value) || 0;
}
const mobDropMultiplier = calculateTierMultiplier(tier, false, false);
const goldMultiplier = calculateTierMultiplier(tier, true, monsterName === 'Scarlet Merchant');
const gpa = (
((winRate / 100) * monsterInfo.baseMobDropChance * mobDropMultiplier / 100) * (1 + extractorPercentage / 100) * mobDropPrice +
((winRate / 100) * monsterInfo.baseGoldDropChance * goldMultiplier / 100) * (1 + midasPercentage / 100)
);
const gpaResult = row.querySelector('.gpa-result');
gpaResult.textContent = gpa.toFixed(2);
if (gpa > maxGpA) {
maxGpA = gpa;
maxGpARow = row;
}
}
if (maxGpARow) {
const checkmark = '✓';
maxGpARow.querySelector('.gpa-result').style.color = '#4CAF50';
maxGpARow.querySelector('.gpa-result').textContent += ` ${checkmark}`;
}
}
function toggleCalculator() {
const calculator = document.getElementById('combatCalculator');
const overlay = document.getElementById('calculatorOverlay');
const isVisible = calculator.style.display === 'block';
calculator.style.display = isVisible ? 'none' : 'block';
overlay.style.display = isVisible ? 'none' : 'block';
}
// Initialize the calculator
createButton();
createCalculatorUI();
})();