Jan Bader
568 lines
22 KiB
JavaScript
568 lines
22 KiB
JavaScript
const EFFECTS = [
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{ id: "critChance", label: "Crit chance", cap: 12, group: "offense" },
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{ id: "critDamage", label: "Crit damage", cap: 80, group: "offense" },
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{ id: "blockChance", label: "Block chance", cap: 5, group: "defense" },
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{ id: "healthRegen", label: "Health regen", cap: 4, group: "defense" },
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{ id: "lifesteal", label: "Lifesteal", cap: 20, group: "hybrid" },
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{ id: "doubleChance", label: "Double chance", cap: 20, group: "offense" },
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{ id: "damage", label: "Damage", cap: 15, group: "offense" },
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{ id: "meleeDamage", label: "Melee damage", cap: 50, group: "offense" },
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{ id: "rangedDamage", label: "Ranged damage", cap: 15, group: "offense" },
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{ id: "attackSpeed", label: "Attack speed", cap: 40, group: "offense" },
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{ id: "skillDamage", label: "Skill damage", cap: 30, group: "skill" },
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{ id: "skillCooldown", label: "Skill cooldown reduction", cap: 7, group: "skill" },
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{ id: "health", label: "Health", cap: 15, group: "defense" },
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];
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const PROFILES = {
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balanced: {
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label: "Balanced",
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weights: { critChance: 8, critDamage: 4, blockChance: 7, healthRegen: 7, lifesteal: 7, doubleChance: 8, damage: 9, meleeDamage: 3, rangedDamage: 5, attackSpeed: 6, skillDamage: 5, skillCooldown: 8, health: 7 },
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baseDamage: 1,
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baseHealth: 0.75,
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},
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damage: {
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label: "Damage focused",
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weights: { critChance: 10, critDamage: 6, blockChance: 3, healthRegen: 3, lifesteal: 6, doubleChance: 10, damage: 10, meleeDamage: 5, rangedDamage: 7, attackSpeed: 8, skillDamage: 7, skillCooldown: 7, health: 3 },
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baseDamage: 1.25,
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baseHealth: 0.45,
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},
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survival: {
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label: "Survivability focused",
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weights: { critChance: 5, critDamage: 2, blockChance: 10, healthRegen: 10, lifesteal: 9, doubleChance: 5, damage: 5, meleeDamage: 2, rangedDamage: 3, attackSpeed: 4, skillDamage: 3, skillCooldown: 5, health: 10 },
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baseDamage: 0.65,
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baseHealth: 1.2,
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},
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skill: {
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label: "Skill focused",
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weights: { critChance: 7, critDamage: 4, blockChance: 5, healthRegen: 5, lifesteal: 6, doubleChance: 7, damage: 7, meleeDamage: 2, rangedDamage: 4, attackSpeed: 5, skillDamage: 10, skillCooldown: 11, health: 5 },
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baseDamage: 0.9,
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baseHealth: 0.65,
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},
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};
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const STORAGE_KEY = "forgeMasterOptimizer.v1";
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const DRAFT_KEY = "forgeMasterOptimizer.draft.v1";
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const EXPORT_VERSION = 1;
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const slots = [
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...Array.from({ length: 8 }, (_, i) => ({ type: "item", title: `Item ${i + 1}` })),
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{ type: "mount", title: "Mount" },
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...Array.from({ length: 3 }, (_, i) => ({ type: "pet", title: `Pet ${i + 1}` })),
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];
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const $ = (selector) => document.querySelector(selector);
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const fmt = (value) => Number(value || 0).toLocaleString(undefined, { maximumFractionDigits: 1 });
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const effectById = (id) => EFFECTS.find((effect) => effect.id === id);
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let state = loadDraft() || createDefaultState();
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function createDefaultState() {
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return {
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profile: "balanced",
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combatStyle: "melee",
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recommendationCount: 8,
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pieces: slots.map((slot, index) => ({
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id: `${slot.type}-${index}`,
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type: slot.type,
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title: slot.title,
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name: slot.title,
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baseType: index % 3 === 1 ? "health" : "damage",
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baseValue: 0,
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effects: [{ type: "", value: 1 }, { type: "", value: 1 }],
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})),
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};
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}
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function normalizeState(candidate) {
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const fallback = createDefaultState();
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return {
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...fallback,
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...candidate,
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profile: PROFILES[candidate?.profile] ? candidate.profile : "balanced",
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combatStyle: ["melee", "ranged", "skill"].includes(candidate?.combatStyle) ? candidate.combatStyle : "melee",
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recommendationCount: Math.min(20, Math.max(3, Number(candidate?.recommendationCount || 8))),
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pieces: fallback.pieces.map((piece, index) => ({
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...piece,
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...(candidate?.pieces?.[index] || {}),
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effects: [0, 1].map((effectIndex) => ({
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type: candidate?.pieces?.[index]?.effects?.[effectIndex]?.type || "",
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value: clampEffectValue(
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candidate?.pieces?.[index]?.effects?.[effectIndex]?.type || "",
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Number(candidate?.pieces?.[index]?.effects?.[effectIndex]?.value || 1),
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),
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})),
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})),
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};
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}
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function clampEffectValue(type, value) {
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if (!type) return 1;
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const effect = effectById(type);
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return Math.min(effect.cap, Math.max(1, Number.isFinite(value) ? value : 1));
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}
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function render() {
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renderControls();
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renderGear();
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renderSaveSlots();
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updateAnalysis();
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}
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function renderControls() {
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$("#profileSelect").innerHTML = Object.entries(PROFILES).map(([id, profile]) => `<option value="${id}">${profile.label}</option>`).join("");
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$("#profileSelect").value = state.profile;
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$("#combatStyle").value = state.combatStyle;
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$("#recommendationCount").value = state.recommendationCount;
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}
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function renderGear() {
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const grid = $("#gearGrid");
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const template = $("#gearTemplate");
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grid.innerHTML = "";
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state.pieces.forEach((piece, pieceIndex) => {
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const node = template.content.firstElementChild.cloneNode(true);
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node.dataset.index = pieceIndex;
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node.querySelector("h3").textContent = piece.title;
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node.querySelector('[data-field="name"]').value = piece.name;
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node.querySelector('[data-field="baseType"]').value = piece.baseType;
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node.querySelector('[data-field="baseValue"]').value = piece.baseValue;
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const effects = node.querySelector(".effects");
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piece.effects.forEach((effect, effectIndex) => {
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const row = document.createElement("div");
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row.className = "effect-row";
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row.innerHTML = `
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<label>Effect ${effectIndex + 1}
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<select data-effect-type="${effectIndex}">
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<option value="">None</option>
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${EFFECTS.map((option) => `<option value="${option.id}">${option.label} (max ${option.cap}%)</option>`).join("")}
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</select>
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</label>
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<label>Percent
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<input data-effect-value="${effectIndex}" type="number" min="1" step="0.1" value="${effect.value}" />
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<span class="cap-hint"></span>
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</label>`;
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row.querySelector("select").value = effect.type;
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const hint = row.querySelector(".cap-hint");
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hint.textContent = effect.type ? `Cap: ${effectById(effect.type).cap}%` : "Ignored";
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effects.appendChild(row);
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});
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grid.appendChild(node);
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});
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}
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function updateAnalysis() {
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const profile = PROFILES[state.profile];
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const totals = calculateTotals();
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const dps = calculateDps(totals, state.combatStyle);
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const survivability = calculateSurvivability(totals);
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const pieceScores = state.pieces.map((piece) => scorePiece(piece, profile, totals));
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$("#totalDamage").textContent = fmt(totals.baseDamage);
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$("#totalHealth").textContent = fmt(totals.baseHealth);
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$("#dpsValue").textContent = fmt(dps);
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$("#defenseScore").textContent = fmt(calculateGroupScore(totals, profile, ["defense", "hybrid"], "health"));
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document.querySelectorAll(".gear-card").forEach((card, index) => {
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card.querySelector(".piece-score").textContent = `Score ${fmt(pieceScores[index].score)}`;
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});
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updateEffectImpactHints(totals, dps);
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renderEffectTotals(totals, dps, survivability);
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renderUpgrades(profile, totals, dps);
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renderSacrifices(pieceScores);
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saveDraft();
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}
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function calculateTotals() {
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const totals = { baseDamage: 0, baseHealth: 0, effects: Object.fromEntries(EFFECTS.map((effect) => [effect.id, 0])) };
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for (const piece of state.pieces) {
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const baseValue = Number(piece.baseValue || 0);
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if (piece.baseType === "health") totals.baseHealth += baseValue;
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else totals.baseDamage += baseValue;
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for (const effect of piece.effects) {
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if (effect.type) totals.effects[effect.type] += clampEffectValue(effect.type, Number(effect.value));
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}
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}
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return totals;
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}
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function calculateDps(totals, combatStyle = "melee") {
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const effects = totals.effects;
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const baseDamage = Math.max(0, totals.baseDamage);
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const globalDamage = 1 + effects.damage / 100;
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const styleDamage = 1 + getStyleDamageBonus(effects, combatStyle) / 100;
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const attackSpeed = 1 + effects.attackSpeed / 100;
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const doubleHit = 1 + effects.doubleChance / 100;
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const critChance = effects.critChance / 100;
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const critDamage = effects.critDamage / 100;
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const crit = 1 + critChance * critDamage;
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const cooldown = combatStyle === "skill" ? 1 / Math.max(0.05, 1 - effects.skillCooldown / 100) : 1;
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return baseDamage * globalDamage * styleDamage * attackSpeed * doubleHit * crit * cooldown;
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}
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function calculateSurvivability(totals) {
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const effects = totals.effects;
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const baseHealth = Math.max(0, totals.baseHealth);
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const health = baseHealth * (1 + effects.health / 100);
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const blockMultiplier = 1 / Math.max(0.05, 1 - effects.blockChance / 100);
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const regenMultiplier = 1 + effects.healthRegen / 100;
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const lifestealMultiplier = 1 + effects.lifesteal / 100;
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return health * blockMultiplier * regenMultiplier * lifestealMultiplier;
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}
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function getStyleDamageBonus(effects, combatStyle) {
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if (combatStyle === "ranged") return effects.rangedDamage;
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if (combatStyle === "skill") return effects.skillDamage;
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return effects.meleeDamage;
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}
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function cloneTotalsWithEffectDelta(totals, effectType, delta) {
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return {
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baseDamage: totals.baseDamage,
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baseHealth: totals.baseHealth,
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effects: {
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...totals.effects,
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[effectType]: Math.max(0, (totals.effects[effectType] || 0) + delta),
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},
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};
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}
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function describeMaxRollGain(effect, totals, currentDps, currentSurvivability) {
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const withMaxRoll = cloneTotalsWithEffectDelta(totals, effect.id, effect.cap);
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const dpsGain = percentChange(currentDps, calculateDps(withMaxRoll, state.combatStyle));
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const survivabilityGain = percentChange(currentSurvivability, calculateSurvivability(withMaxRoll));
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const parts = [];
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if (Math.abs(dpsGain) >= 0.05) parts.push(`+${fmt(dpsGain)}% DPS`);
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if (Math.abs(survivabilityGain) >= 0.05) parts.push(`+${fmt(survivabilityGain)}% survivability`);
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return parts.length ? parts.join(" / ") : "no effect for current style";
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}
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function percentChange(from, to) {
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if (from <= 0) return to > 0 ? 100 : 0;
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return ((to / from) - 1) * 100;
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}
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function calculateGroupScore(totals, profile, groups, baseKind) {
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const effectScore = EFFECTS.filter((effect) => groups.includes(effect.group))
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.reduce((sum, effect) => sum + (totals.effects[effect.id] / effect.cap) * 100 * profile.weights[effect.id], 0);
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const baseScore = baseKind === "health" ? totals.baseHealth * profile.baseHealth : totals.baseDamage * profile.baseDamage;
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return effectScore + baseScore;
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}
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function scorePiece(piece, profile, totals) {
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const baseWeight = piece.baseType === "health" ? profile.baseHealth : profile.baseDamage;
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const baseAverage = Math.max(1, piece.baseType === "health" ? totals.baseHealth / 6 : totals.baseDamage / 6);
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let score = (Number(piece.baseValue || 0) / baseAverage) * 35 * baseWeight;
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const reasons = [];
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for (const effect of piece.effects) {
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if (!effect.type) {
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reasons.push("missing effect slot");
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continue;
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}
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const def = effectById(effect.type);
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const normalized = clampEffectValue(effect.type, Number(effect.value)) / def.cap;
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score += normalized * 100 * profile.weights[effect.type];
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if (normalized < 0.3) reasons.push(`${def.label} is still low`);
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if (profile.weights[effect.type] <= 3) reasons.push(`${def.label} is low priority for this profile`);
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}
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if (!Number(piece.baseValue || 0)) reasons.push("no base stat entered");
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return { piece, score, reasons: [...new Set(reasons)] };
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}
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function renderEffectTotals(totals, currentDps, currentSurvivability) {
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$("#effectTotals").innerHTML = EFFECTS.map((effect) => `
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<div class="effect-pill">
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<span>${effect.label}</span>
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<strong>${fmt(totals.effects[effect.id])}%</strong>
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<small>Max roll +${effect.cap}%: ${describeMaxRollGain(effect, totals, currentDps, currentSurvivability)}</small>
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</div>
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`).join("");
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}
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function updateEffectImpactHints(totals, currentDps) {
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document.querySelectorAll(".gear-card").forEach((card, pieceIndex) => {
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const piece = state.pieces[pieceIndex];
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card.querySelectorAll(".effect-row").forEach((row, effectIndex) => {
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const effect = piece.effects[effectIndex];
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const hint = row.querySelector(".cap-hint");
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if (!effect.type) {
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hint.textContent = "Ignored";
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return;
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}
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const def = effectById(effect.type);
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const current = clampEffectValue(effect.type, Number(effect.value));
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const withoutThis = calculateDps(cloneTotalsWithEffectDelta(totals, effect.type, -current), state.combatStyle);
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const currentGain = percentChange(withoutThis, currentDps);
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const remaining = Math.max(0, def.cap - current);
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const plusOne = Math.min(1, remaining);
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const plusOneGain = plusOne > 0
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? percentChange(currentDps, calculateDps(cloneTotalsWithEffectDelta(totals, effect.type, plusOne), state.combatStyle))
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: 0;
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hint.textContent = `Cap: ${def.cap}%. Actual now: ${fmt(currentGain)}% DPS. Next +${fmt(plusOne)}%: ${fmt(plusOneGain)}% DPS.`;
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});
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});
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}
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function renderUpgrades(profile, totals, currentDps) {
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const upgrades = [];
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for (const piece of state.pieces) {
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for (const effect of piece.effects) {
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if (!effect.type) continue;
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const def = effectById(effect.type);
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const current = clampEffectValue(effect.type, Number(effect.value));
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const remaining = def.cap - current;
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if (remaining <= 0) continue;
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const plusOne = Math.min(1, remaining);
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const onePointDps = calculateDps(cloneTotalsWithEffectDelta(totals, effect.type, plusOne), state.combatStyle);
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const capDps = calculateDps(cloneTotalsWithEffectDelta(totals, effect.type, remaining), state.combatStyle);
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const onePointGain = percentChange(currentDps, onePointDps);
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const capGain = percentChange(currentDps, capDps);
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const fallback = profile.weights[effect.type] * 0.001;
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const efficiency = capGain || onePointGain || fallback;
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upgrades.push({ piece, def, current, remaining, efficiency, onePointGain, capGain });
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}
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}
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upgrades.sort((a, b) => b.efficiency - a.efficiency);
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const count = state.recommendationCount;
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$("#upgradeList").innerHTML = upgrades.slice(0, count).map((item) => `
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<li><strong>${item.def.label}</strong> on ${escapeHtml(item.piece.name || item.piece.title)}
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<small>${fmt(item.current)}% now, ${fmt(item.remaining)}% room to cap. Next +1% gives ${fmt(item.onePointGain)}% DPS; to cap gives ${fmt(item.capGain)}% DPS.</small>
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</li>
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`).join("") || "<li>No upgradeable effects entered yet.</li>";
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}
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function renderSacrifices(pieceScores) {
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const weakest = [...pieceScores].sort((a, b) => a.score - b.score).slice(0, state.recommendationCount);
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$("#sacrificeList").innerHTML = weakest.map(({ piece, score, reasons }) => `
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<li><strong>${escapeHtml(piece.name || piece.title)}</strong>
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<small>Score ${fmt(score)}. ${reasons.length ? reasons.join("; ") : "Lowest relative contribution among entered pieces."}</small>
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</li>
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`).join("");
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}
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function saveDraft() {
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localStorage.setItem(DRAFT_KEY, JSON.stringify(state));
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}
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function loadDraft() {
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try {
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const raw = localStorage.getItem(DRAFT_KEY);
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return raw ? normalizeState(JSON.parse(raw)) : null;
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} catch {
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return null;
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}
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}
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function getSavedSlots() {
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try {
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return JSON.parse(localStorage.getItem(STORAGE_KEY) || "{}");
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} catch {
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return {};
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}
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}
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function setSavedSlots(saved) {
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localStorage.setItem(STORAGE_KEY, JSON.stringify(saved));
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}
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function renderSaveSlots() {
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const saved = getSavedSlots();
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const select = $("#slotSelect");
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const names = Object.keys(saved).sort();
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select.innerHTML = names.map((name) => `<option value="${escapeHtml(name)}">${escapeHtml(name)}</option>`).join("") || '<option value="">No saved slots</option>';
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}
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function setStatus(message, danger = false) {
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const node = $("#saveStatus");
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node.textContent = message;
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node.style.color = danger ? "var(--danger)" : "var(--good)";
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}
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function setImportExportStatus(message, danger = false) {
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const node = $("#importExportStatus");
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node.textContent = message;
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node.style.color = danger ? "var(--danger)" : "var(--good)";
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}
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function createExportPayload() {
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return {
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app: "forge-master-strategy-optimizer",
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version: EXPORT_VERSION,
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exportedAt: new Date().toISOString(),
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build: normalizeState(state),
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};
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}
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function createExportJson() {
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return JSON.stringify(createExportPayload(), null, 2);
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}
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async function generateExportJson() {
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const json = createExportJson();
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const textarea = $("#jsonTransfer");
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textarea.value = json;
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textarea.focus();
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textarea.select();
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try {
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await navigator.clipboard.writeText(json);
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setImportExportStatus("Export JSON generated and copied to clipboard.");
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} catch {
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setImportExportStatus("Export JSON generated. Copy it from the text box or download it as a file.");
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}
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}
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function downloadExportJson() {
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const json = createExportJson();
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$("#jsonTransfer").value = json;
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const blob = new Blob([json], { type: "application/json" });
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const url = URL.createObjectURL(blob);
|
|
const link = document.createElement("a");
|
|
link.href = url;
|
|
link.download = `forge-master-build-${new Date().toISOString().slice(0, 10)}.json`;
|
|
document.body.appendChild(link);
|
|
link.click();
|
|
link.remove();
|
|
URL.revokeObjectURL(url);
|
|
setImportExportStatus("Downloaded current build as JSON.");
|
|
}
|
|
|
|
function parseImportedState(jsonText) {
|
|
if (!jsonText.trim()) throw new Error("Paste JSON first or upload a JSON file.");
|
|
let parsed;
|
|
try {
|
|
parsed = JSON.parse(jsonText);
|
|
} catch {
|
|
throw new Error("Invalid JSON. Check that the full export was copied.");
|
|
}
|
|
const build = parsed?.build || parsed;
|
|
if (!build || typeof build !== "object" || !Array.isArray(build.pieces)) {
|
|
throw new Error("JSON does not look like a Forge Master build export.");
|
|
}
|
|
return normalizeState(build);
|
|
}
|
|
|
|
function importJsonText(jsonText, sourceLabel = "JSON") {
|
|
try {
|
|
state = parseImportedState(jsonText);
|
|
render();
|
|
setImportExportStatus(`Imported ${sourceLabel}. Draft autosaved.`);
|
|
} catch (error) {
|
|
setImportExportStatus(error.message, true);
|
|
}
|
|
}
|
|
|
|
function importPastedJson() {
|
|
importJsonText($("#jsonTransfer").value, "pasted JSON");
|
|
}
|
|
|
|
function importUploadedJson(event) {
|
|
const file = event.target.files?.[0];
|
|
if (!file) return;
|
|
const reader = new FileReader();
|
|
reader.addEventListener("load", () => {
|
|
const text = String(reader.result || "");
|
|
$("#jsonTransfer").value = text;
|
|
importJsonText(text, file.name);
|
|
event.target.value = "";
|
|
});
|
|
reader.addEventListener("error", () => {
|
|
setImportExportStatus("Could not read the selected file.", true);
|
|
event.target.value = "";
|
|
});
|
|
reader.readAsText(file);
|
|
}
|
|
|
|
function bindEvents() {
|
|
$("#profileSelect").addEventListener("change", (event) => {
|
|
state.profile = event.target.value;
|
|
updateAnalysis();
|
|
});
|
|
$("#combatStyle").addEventListener("change", (event) => {
|
|
state.combatStyle = event.target.value;
|
|
updateAnalysis();
|
|
});
|
|
$("#recommendationCount").addEventListener("input", (event) => {
|
|
state.recommendationCount = Math.min(20, Math.max(3, Number(event.target.value || 8)));
|
|
updateAnalysis();
|
|
});
|
|
$("#resetBuild").addEventListener("click", () => {
|
|
state = createDefaultState();
|
|
render();
|
|
setStatus("Current build reset. Draft autosaved.");
|
|
});
|
|
$("#gearGrid").addEventListener("input", handleGearInput);
|
|
$("#gearGrid").addEventListener("change", handleGearInput);
|
|
$("#saveSlot").addEventListener("click", saveNamedSlot);
|
|
$("#loadSlot").addEventListener("click", loadNamedSlot);
|
|
$("#deleteSlot").addEventListener("click", deleteNamedSlot);
|
|
$("#copyExport").addEventListener("click", generateExportJson);
|
|
$("#downloadExport").addEventListener("click", downloadExportJson);
|
|
$("#importJson").addEventListener("click", importPastedJson);
|
|
$("#importFile").addEventListener("change", importUploadedJson);
|
|
}
|
|
|
|
function handleGearInput(event) {
|
|
const card = event.target.closest(".gear-card");
|
|
if (!card) return;
|
|
const piece = state.pieces[Number(card.dataset.index)];
|
|
|
|
if (event.target.dataset.field) {
|
|
const field = event.target.dataset.field;
|
|
piece[field] = field === "baseValue" ? Math.max(0, Number(event.target.value || 0)) : event.target.value;
|
|
}
|
|
if (event.target.dataset.effectType !== undefined) {
|
|
const index = Number(event.target.dataset.effectType);
|
|
piece.effects[index].type = event.target.value;
|
|
piece.effects[index].value = clampEffectValue(event.target.value, piece.effects[index].value);
|
|
renderGear();
|
|
}
|
|
if (event.target.dataset.effectValue !== undefined) {
|
|
const index = Number(event.target.dataset.effectValue);
|
|
piece.effects[index].value = clampEffectValue(piece.effects[index].type, Number(event.target.value || 1));
|
|
}
|
|
updateAnalysis();
|
|
}
|
|
|
|
function saveNamedSlot() {
|
|
const name = $("#slotName").value.trim();
|
|
if (!name) return setStatus("Enter a slot name first.", true);
|
|
const saved = getSavedSlots();
|
|
saved[name] = { ...state, savedAt: new Date().toISOString() };
|
|
setSavedSlots(saved);
|
|
renderSaveSlots();
|
|
$("#slotSelect").value = name;
|
|
setStatus(`Saved slot “${name}”.`);
|
|
}
|
|
|
|
function loadNamedSlot() {
|
|
const name = $("#slotSelect").value;
|
|
const saved = getSavedSlots();
|
|
if (!name || !saved[name]) return setStatus("Choose a saved slot to load.", true);
|
|
state = normalizeState(saved[name]);
|
|
render();
|
|
setStatus(`Loaded slot “${name}”.`);
|
|
}
|
|
|
|
function deleteNamedSlot() {
|
|
const name = $("#slotSelect").value;
|
|
const saved = getSavedSlots();
|
|
if (!name || !saved[name]) return setStatus("Choose a saved slot to delete.", true);
|
|
delete saved[name];
|
|
setSavedSlots(saved);
|
|
renderSaveSlots();
|
|
setStatus(`Deleted slot “${name}”.`);
|
|
}
|
|
|
|
function escapeHtml(value) {
|
|
return String(value).replace(/[&<>"]/g, (char) => ({ "&": "&", "<": "<", ">": ">", '"': """ }[char]));
|
|
}
|
|
|
|
bindEvents();
|
|
render();
|