226 lines
9 KiB
JavaScript
226 lines
9 KiB
JavaScript
// Production - The Idle Game: Core Simulation Engine
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import { PRODUCTS, getUnitMilestoneMultiplier } from '../data/products.js';
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import { CONTRACT_TEMPLATES } from '../data/contracts.js';
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import { ACHIEVEMENTS } from '../data/achievements.js';
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export class SimulationEngine {
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constructor(stateManager) {
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this.sm = stateManager;
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this.cashRate = 0.0;
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this._rateAccumulator = 0.0;
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this._rateTimer = 0.0;
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}
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/**
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* Executes a simulation tick for delta-time dt (in seconds)
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*/
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tick(dt) {
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if (dt <= 0) return;
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const state = this.sm.state;
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const perks = state.boardroomPerks || {};
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// Boardroom Multipliers
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const supplyYieldMult = 1.0 + 0.15 * (perks['supply_sync'] || 0);
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const roboticsSpeedMult = 1.0 + 0.20 * (perks['robotics_overclock'] || 0);
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const logisticsPriceMult = 1.0 + 0.25 * (perks['logistics_efficiency'] || 0);
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let tickRevenue = 0.0;
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for (const p of PRODUCTS) {
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const pState = state.products[p.id];
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if (!pState || !pState.unlocked) continue;
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const lines = pState.lines || 0;
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if (lines <= 0) continue;
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// Compute facility speed
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const milestoneMult = getUnitMilestoneMultiplier(lines);
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const cycleRate = (1.0 / p.baseCycleTime) * milestoneMult * roboticsSpeedMult;
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// Handle Raw Extraction vs Manufacturing Inputs
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const isRaw = !p.inputs || p.inputs.length === 0;
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if (isRaw) {
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pState.isBottlenecked = false;
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pState.cycleProgress += cycleRate * dt;
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if (pState.cycleProgress >= 1.0) {
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const cycles = Math.floor(pState.cycleProgress);
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pState.cycleProgress -= cycles;
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const produced = cycles * p.outputAmount * lines * supplyYieldMult;
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pState.stock += produced;
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pState.totalProduced = (pState.totalProduced || 0) + produced;
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state.stats.totalProduced = (state.stats.totalProduced || 0) + produced;
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}
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} else {
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// Check if we have required input stock
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const maxCyclesPossible = Math.min(
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...p.inputs.map(inp => {
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const inputStock = state.products[inp.id]?.stock || 0;
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const reqPerCycle = inp.amount * lines;
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return reqPerCycle > 0 ? Math.floor(inputStock / reqPerCycle) : 0;
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})
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);
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if (maxCyclesPossible <= 0) {
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pState.isBottlenecked = true;
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// Retain existing cycle progress until inputs arrive
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} else {
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pState.isBottlenecked = false;
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pState.cycleProgress += cycleRate * dt;
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if (pState.cycleProgress >= 1.0) {
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const cyclesToRun = Math.min(Math.floor(pState.cycleProgress), maxCyclesPossible);
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if (cyclesToRun > 0) {
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pState.cycleProgress -= cyclesToRun;
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// Deduct inputs
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for (const inp of p.inputs) {
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if (state.products[inp.id]) {
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state.products[inp.id].stock = Math.max(
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0,
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state.products[inp.id].stock - (inp.amount * lines * cyclesToRun)
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);
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}
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}
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// Credit finished goods
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const produced = cyclesToRun * p.outputAmount * lines;
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pState.stock += produced;
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pState.totalProduced = (pState.totalProduced || 0) + produced;
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state.stats.totalProduced = (state.stats.totalProduced || 0) + produced;
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}
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}
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}
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}
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// Continuous Logistics Distribution (Wholesale Sales)
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const logisticsUnits = pState.logistics || 0;
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if (logisticsUnits > 0 && pState.stock > 0) {
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// Logistics fleet capacity: 0.75 items/sec per unit
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const maxSellCapacity = logisticsUnits * 0.75 * dt;
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const sold = Math.min(pState.stock, maxSellCapacity);
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pState.stock -= sold;
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const salePrice = p.basePrice * logisticsPriceMult;
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const earned = sold * salePrice;
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state.cash += earned;
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state.lifetimeRevenue += earned;
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tickRevenue += earned;
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}
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}
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// Track net revenue rate ($/s)
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this._rateAccumulator += tickRevenue;
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this._rateTimer += dt;
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if (this._rateTimer >= 0.5) {
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this.cashRate = this._rateAccumulator / this._rateTimer;
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this._rateAccumulator = 0.0;
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this._rateTimer = 0.0;
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}
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// Update company valuation: Liquid cash + Capital investment in lines + 20% of lifetime revenue
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let facilityAssetValuation = 0;
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for (const p of PRODUCTS) {
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const pState = state.products[p.id];
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if (pState && pState.lines > 0) {
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facilityAssetValuation += pState.lines * p.baseFacilityCost;
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}
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}
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state.valuation = state.cash + facilityAssetValuation + (state.lifetimeRevenue * 0.15);
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// Update B2B contracts timers
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this.updateContracts(dt);
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// Check milestones/achievements
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this.checkAchievements();
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state.lastTick = Date.now();
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}
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/**
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* Advances and generates active procurement tenders
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*/
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updateContracts(dt) {
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const state = this.sm.state;
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if (!state.activeContracts) state.activeContracts = [];
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for (let i = state.activeContracts.length - 1; i >= 0; i--) {
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const c = state.activeContracts[i];
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c.remainingSeconds -= dt;
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if (c.remainingSeconds <= 0) {
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// Expired contract, remove
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state.activeContracts.splice(i, 1);
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}
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}
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// Replenish up to 3 open contracts
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if (state.activeContracts.length < 3) {
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const unlockedProducts = PRODUCTS.filter(p => state.products[p.id]?.unlocked);
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if (unlockedProducts.length > 0) {
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const availableTemplates = CONTRACT_TEMPLATES.filter(tmpl =>
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unlockedProducts.some(p => p.id === tmpl.productId)
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);
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const tmpl = availableTemplates.length > 0
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? availableTemplates[Math.floor(Math.random() * availableTemplates.length)]
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: CONTRACT_TEMPLATES[0];
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const uid = 'c_' + Date.now() + '_' + Math.floor(Math.random() * 1000);
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state.activeContracts.push({
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uid,
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templateId: tmpl.id,
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productId: tmpl.productId,
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title: tmpl.title,
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clientId: tmpl.clientId,
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targetAmount: tmpl.requiredAmount,
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remainingSeconds: tmpl.timeLimit,
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rewardCash: tmpl.rewardCash,
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rewardRep: tmpl.rewardRep
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});
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}
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}
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}
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/**
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* Checks and flags unlocked corporate achievements
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*/
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checkAchievements() {
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const state = this.sm.state;
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for (const ach of ACHIEVEMENTS) {
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let currentVal = 0;
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if (ach.reqType === 'total_produced') currentVal = state.stats.totalProduced || 0;
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else if (ach.reqType === 'total_revenue') currentVal = state.lifetimeRevenue || 0;
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else if (ach.reqType === 'contracts_completed') currentVal = state.stats.contractsCompleted || 0;
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else if (ach.reqType === 'ipo_count') currentVal = state.ipoCount || 0;
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else if (ach.reqType === 'managers_hired') currentVal = state.stats.managersHired || 0;
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const currentTier = state.achievements[ach.id] || 0;
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if (currentTier < ach.thresholds.length) {
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if (currentVal >= ach.thresholds[currentTier]) {
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state.achievements[ach.id] = currentTier + 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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* Simulates offline progression up to offlineSeconds (capped at 8 hours)
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*/
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processOffline(offlineSeconds) {
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const cappedSeconds = Math.min(Math.max(0, offlineSeconds), 8 * 3600);
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if (cappedSeconds <= 1) return { seconds: 0, earned: 0 };
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const startCash = this.sm.state.cash;
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// Step forward in discrete 1-second chunks for accurate multi-tier consumption
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const steps = Math.min(Math.floor(cappedSeconds), 3600);
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const stepDt = cappedSeconds / steps;
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for (let i = 0; i < steps; i++) {
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this.tick(stepDt);
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}
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const earned = Math.max(0, this.sm.state.cash - startCash);
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return { seconds: cappedSeconds, earned };
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}
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}
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