adrien
3e429ccb64
Production buildings are now independent private-sector agents: they keep what their output sells for, run only to the demand they can actually sell, and spend that cash on steel and high-tech upgrades when their demand grows. Grid power is a paid private flow between plants and their consumers, and regions synthesise the food their own harvest and the reachable market cannot supply. Island regions no longer famine: a region with no reachable supplier grows its whole shortfall from energy, and grid power now feeds cities and food before the converters, so a famine never waits on a factory. Bundles the in-progress tree cleanup that was already present in the working tree.
86 lines
3.6 KiB
JavaScript
86 lines
3.6 KiB
JavaScript
// Combat, garrison and pillage rules. Shared so the server (which applies them)
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// and the browser (which forecasts them) compute the same numbers.
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// Units garrisoned in a friendly city regain this many hit points each hour.
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export const CITY_GARRISON_HEAL_PER_HOUR = 1;
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// Combat is fought on a single tile: the attacking stack charges onto the
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// defending stack's tile and the two share it until one side is wiped out.
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// Every day a battle lasts the tile loses this fraction of its population and
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// of its production per head. Once the fighting stops, production recovers by
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// `recoveryPerDay` each day, starting `recoveryDelayDays` after the last battle.
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export const BATTLE = {
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populationLossPerDay: 0.3,
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productionLossPerDay: 0.3,
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recoveryDelayDays: 30,
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recoveryPerDay: 100,
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// Structures on a battlefield take this much damage each day of fighting.
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structureDamagePerDay: 120,
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};
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// Pillaging: each unit removes this fraction of the tile's remaining
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// population, cuts its production per head by this multiplier, and heals one
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// hit point per this many people driven off.
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export const PILLAGE = {
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populationLoss: 0.1,
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productionPenalty: 0.7,
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healPerPeople: 1000,
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};
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// Trenches: infantry dug into a tile are much harder to dislodge, at the cost
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// of the local production. The defense figures are multipliers on a unit's base
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// defense; melee attackers get no bonus, artillery is heavily blunted.
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export const TRENCH = {
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productionMultiplier: 0.8,
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meleeDefenseMultiplier: 2.0,
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artilleryDefenseMultiplier: 3.0,
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};
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// Sustained bombardment: a ground or naval battery ordered onto a target fires
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// one volley every in-game hour. Each volley deals this fraction of the damage
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// a single strike would (attack minus the defender's effective defense), so a
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// unit under fire is worn down over many hours instead of erased in one salvo.
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export const BOMBARD = {
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hourlyDamageFraction: 0.1,
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};
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// Bombarding a city that has no garrison left: each point of damage kills this
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// many people and leaves the usual battle scar on its tile. A blow can also
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// knock a building down a level; each building rolls its own chance per point
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// of damage, scaled by its `destructionResistance` (wartime shelters resist
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// almost all of it and never shield the rest of the city).
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export const CITY_BOMBARD = {
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populationPerDamage: 10,
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buildingDestructionChancePerDamage: 0.0004,
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};
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// Aircraft sorties: a plane flies to its target, bombs once, returns to a
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// friendly airport and then cannot strike again for `cooldownHours` (two days).
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// Each attacking aircraft burns munitions from its nation's stores (see
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// RESOURCE_RULES.combatConsumption.airStrike), charged up front so bombing
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// cannot be spammed for free.
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export const AIR_STRIKE = {
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cooldownHours: 48,
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};
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// A city's air defense fires one volley at a hostile aircraft the moment it
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// enters the city's tile. Damage scales with the building's level.
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export const AIR_DEFENSE = {
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damagePerLevel: 150,
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};
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// The result of pillaging a tile with `count` units in sequence, starting from
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// its current population. Each step removes a tenth of what is left and heals
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// for the people it removed; the production multiplier compounds. Shared so
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// the server and the forecast tooltip compute the same numbers.
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export function pillageSteps(population, count) {
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const steps = [];
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let remaining = population;
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for (let i = 0; i < count; i++) {
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const removed = remaining * PILLAGE.populationLoss;
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remaining -= removed;
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steps.push({ removed, remaining, heal: removed / PILLAGE.healPerPeople });
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}
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return { steps, productionMultiplier: Math.pow(PILLAGE.productionPenalty, count) };
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}
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