adrien
80429918c6
- The monthly budget breaks each expense into the resource bought, its quantity and the average price paid: tile improvements already did, and now every upkeep row (buildings, units, works, transport) does too. - Private producers settle their daily wear from their own cash and borrow the shortfall from the central bank, so their cash never goes negative. - Producers fund their own construction and upgrades on the same credit; the treasury pays only for public works, roads and railways, and no private purchase is filed as a public tile-improvement expense. - The server settles the world until every commodity holds within 10% over a trailing seven days instead of a fixed 150, capped by --warmup (0 skips it). - The shipped month report carries its label again, so the budget header and pager name the month.
373 lines
14 KiB
JavaScript
373 lines
14 KiB
JavaScript
// War-time tile works: trenches dug by infantry, the military improvements a
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// nation raises on its land (fortifications, radar towers, coastal cannons),
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// and the damage, capture and upkeep that come with them.
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import { key, parseKey } from "../hex.js";
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import { ECONOMY } from "../data/economy.js";
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import { tileImprovementById } from "../data/improvements.js";
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import { TRENCH } from "../data/combat.js";
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import { COASTAL_CANNON, EMBARK_HOURS } from "./constants.js";
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import { protoUpkeep } from "../resources.js";
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export const warfareMethods = {
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// ----------------------------------------------------------- trenches --
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// Infantry dig in on a land tile their nation controls. A trench shelters
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// the garrison from melee and artillery at the cost of local production.
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requestDigTrench(unitIds) {
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const units = this._unitsForOrder(unitIds);
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if (units.length === 0) return false;
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const coords = units[0].coords;
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if (!units.every((unit) => unit.coords.x === coords.x && unit.coords.y === coords.y)) {
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return false;
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}
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const civ = units[0].civ;
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if (!units.every((unit) => unit.civ === civ)) return false;
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// Only infantry can dig, and only into their own land.
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if (!units.every((unit) => {
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const proto = this.unitProto(unit);
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return proto && proto.infantry;
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})) return false;
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if (this.civAt(coords) !== civ) return false;
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const tile = this.tiles[key(coords.x, coords.y)];
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if (!tile || tile.terrainClass !== "Land") return false;
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const k = key(coords.x, coords.y);
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if (this.trenches.has(k)) return false;
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this.trenches.add(k);
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this._gdpPerCapitaCache.delete(k);
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this._emitChanged();
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return true;
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},
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// ------------------------------------------------- tile improvements --
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// Opens a construction site for a military or resource tile improvement on a
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// land tile the nation controls. The state hands the site a forecast budget
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// and the tile's economic node gathers materials before building; nothing is
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// raised until the site completes.
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requestBuildTileImprovement(civ, coords, id) {
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if (!this._validCiv(civ) || !coords) return false;
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if (!Number.isFinite(coords.x) || !Number.isFinite(coords.y)) return false;
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const proto = tileImprovementById(id);
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if (!proto) return false;
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const k = key(coords.x, coords.y);
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const tile = this.tiles[k];
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if (!tile || tile.terrainClass !== "Land") return false;
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if (this.civAt(coords) !== civ) return false;
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if (this.tileImprovements.has(k) || this.constructionSiteAt(coords)) return false;
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if (proto.coastal && !this.isCoastalCoords(coords)) return false;
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// Resource producers feed the map, not a city: they stand on open land.
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if (proto.resource && this.cityAt(coords)) return false;
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if (proto.requiresTechnology && !this.hasTechnology(civ, proto.requiresTechnology)) return false;
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const gdp = this.getPlayerGdp(civ);
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if (ECONOMY.productionCapacity(gdp) <= 0) return false;
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const money = this._siteForecastBudget(civ, proto, proto.buildCost);
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// A resource producer is a private business: it funds its construction from
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// its own agent, borrowing from the central bank as it buys, so the state
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// pays nothing. Military works are public and come out of the treasury.
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const isPrivate = this._isProductionAgent(proto);
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if (isPrivate) this._ensureBuildingAgent(k);
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else this._reserveSiteBudget(civ, money);
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const site = this._openConstructionSite({
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civ, coords, proto, kind: "build", money, buildCost: proto.buildCost, isPrivate,
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});
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this._kickoffSite(site);
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this._emitChanged();
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return true;
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},
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// Tears down a military improvement (or a trench) on a controlled tile. A
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// work still under construction is cancelled instead, with no refund.
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requestRemoveTileImprovement(civ, coords) {
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if (!this._validCiv(civ) || !coords) return false;
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const k = key(coords.x, coords.y);
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if (this.civAt(coords) !== civ) return false;
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if (this.constructionSites && this.constructionSites.has(k)) {
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return this.requestCancelSite(civ, coords);
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}
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let removed = false;
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if (this.trenches.delete(k)) removed = true;
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if (this.tileImprovements.delete(k)) {
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this.tileImprovementOwner.delete(k);
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this.tileImprovementHp.delete(k);
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this.improvementCash.delete(k);
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this._removeBuildingAgent(k);
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removed = true;
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}
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if (!removed) return false;
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this._tileImprovementVersion += 1;
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this._gdpPerCapitaCache.delete(k);
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this._emitChanged();
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return true;
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},
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// The extra defense a tile's fortifications and trenches give a defender,
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// against a melee or artillery attacker.
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_tileFortificationMultiplier(coords, attackerProto) {
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const k = key(coords.x, coords.y);
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const artillery = this._isArtilleryAttack(attackerProto);
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let multiplier = 1;
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const id = this.tileImprovements.get(k);
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if (id) {
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const proto = tileImprovementById(id);
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if (proto && proto.defense) {
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multiplier *= 1 + (artillery ? proto.defense.artillery : proto.defense.melee);
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}
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}
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if (this.trenches.has(k)) {
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multiplier *= artillery
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? TRENCH.artilleryDefenseMultiplier
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: TRENCH.meleeDefenseMultiplier;
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}
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return multiplier;
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},
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// Whether an attacker's blow is artillery (or aircraft) fire rather than a
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// melee charge, so trench and fortification bonuses can tell them apart.
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_isArtilleryAttack(proto) {
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if (!proto) return false;
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if (proto.artillery || proto.air) return true;
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return (proto.range || 1) > 1;
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},
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// Damage a tile improvement from ranged fire. Fortifications and coastal
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// cannons are knocked down when their hit points run out; a radar tower is
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// captured by infantry rather than destroyed.
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_damageTileImprovement(coords, amount) {
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const k = key(coords.x, coords.y);
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const id = this.tileImprovements.get(k);
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if (!id) return false;
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const proto = tileImprovementById(id);
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if (!proto || !(proto.takesRangedDamage || proto.takesDamage || proto.takesCombatDamage)) {
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return false;
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}
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const hp = (this.tileImprovementHp.get(k) || 0) - amount;
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if (hp <= 0) {
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this.tileImprovements.delete(k);
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this.tileImprovementOwner.delete(k);
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this.tileImprovementHp.delete(k);
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this.improvementCash.delete(k);
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this._removeBuildingAgent(k);
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this._tileImprovementVersion += 1;
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this._emitChanged();
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return true;
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}
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this.tileImprovementHp.set(k, hp);
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// The damage leaves a steel debt: the work heals only once it is paid off.
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this._recordRepairDebt(coords, amount);
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return true;
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},
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// An enemy walking onto a capturable improvement takes it for their nation.
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_captureTileImprovement(coords, civ) {
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const k = key(coords.x, coords.y);
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const id = this.tileImprovements.get(k);
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if (!id) return false;
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const proto = tileImprovementById(id);
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if (!proto || !proto.capturable) return false;
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const owner = this.tileImprovementOwner.get(k);
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if (owner === civ) return false;
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this.tileImprovementOwner.set(k, civ);
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this._tileImprovementVersion += 1;
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this._emitChanged();
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return true;
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},
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// The daily steel every military and resource improvement a nation holds
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// wears out. Fuel and operating energy are charged through the grid instead.
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getTileImprovementUpkeep(civ) {
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let total = 0;
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for (const [k, id] of this.tileImprovements) {
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if (this.tileImprovementOwner.get(k) !== civ) continue;
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const proto = tileImprovementById(id);
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if (proto) total += protoUpkeep(proto, proto.buildCost || 0).steel;
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}
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return total;
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},
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_tileImprovementUpkeepSources(civ) {
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const byType = new Map();
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for (const [k, id] of this.tileImprovements) {
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if (this.tileImprovementOwner.get(k) !== civ) continue;
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const proto = tileImprovementById(id);
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if (!proto) continue;
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const resources = protoUpkeep(proto, proto.buildCost || 0);
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const amount = this._upkeepCost(resources);
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if (amount <= 0) continue;
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const entry = byType.get(id) || {
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label: proto.name,
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amount: 0,
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resources: { steel: 0, energy: 0, hightech: 0 },
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count: 0,
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};
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entry.amount += amount;
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entry.resources.steel += resources.steel;
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entry.resources.energy += resources.energy;
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entry.resources.hightech += resources.hightech;
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entry.count += 1;
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byType.set(id, entry);
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}
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return Array.from(byType.values());
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},
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// ------------------------------------------------------ transports --
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// Infantry board a friendly launch. They must stand on the shore beside it;
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// the boarding takes EMBARK_HOURS in-game hours to complete.
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requestEmbark(infantryIds, launchId) {
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const launch = this.findUnit(Number(launchId));
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if (!launch) return false;
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const proto = this.unitProto(launch);
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if (!proto || !(proto.transportCapacity > 0)) return false;
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if (launch.embarking) return false;
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const cargo = launch.cargo || [];
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const infantry = this._unitsForOrder(infantryIds).filter((unit) => {
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const unitProto = this.unitProto(unit);
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return unitProto && unitProto.infantry && unit.civ === launch.civ;
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});
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if (infantry.length === 0) return false;
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if (cargo.length + infantry.length > proto.transportCapacity) return false;
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// The troops must be on the shore next to the launch.
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if (!infantry.every((unit) =>
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this.topology.tileDistance(unit.coords, launch.coords) === 1)) {
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return false;
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}
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launch.embarking = { ids: infantry.map((unit) => unit.id), hoursLeft: EMBARK_HOURS };
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this._emitChanged();
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return true;
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},
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// Finishes any boarding: at zero hours the infantry leave the map and become
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// the launch's cargo, and are carried until put ashore.
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_tickEmbark() {
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// Iterate a copy: boarding destroys the infantry, and splicing the live
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// array would skip whatever unit follows them.
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for (const unit of this.units.slice()) {
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if (!unit.embarking) continue;
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unit.embarking.hoursLeft -= 1;
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if (unit.embarking.hoursLeft > 0) continue;
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const proto = this.unitProto(unit);
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const capacity = proto ? proto.transportCapacity || 0 : 0;
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if (!unit.cargo) unit.cargo = [];
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for (const id of unit.embarking.ids) {
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if (unit.cargo.length >= capacity) break;
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const infantry = this.findUnit(id);
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if (!infantry || infantry.civ !== unit.civ) continue;
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unit.cargo.push({ proto: infantry.proto, hp: infantry.hp });
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this._destroyUnit(infantry);
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this._visibilityDirty = true;
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}
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unit.embarking = null;
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this._emitChanged();
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}
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},
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// Puts a whole stack of launches' cargo ashore on an adjacent coastal tile.
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requestDisembark(launchIds, coords) {
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if (!coords) return false;
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const launches = this._unitsForOrder(launchIds).filter((unit) => {
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const proto = this.unitProto(unit);
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return proto && proto.transportCapacity > 0;
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});
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if (launches.length === 0) return false;
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const civ = launches[0].civ;
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if (!launches.every((unit) => unit.civ === civ)) return false;
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const k = key(coords.x, coords.y);
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const tile = this.tiles[k];
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if (!tile || tile.terrainClass !== "Land") return false;
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if (!launches.every((unit) => this.topology.tileDistance(unit.coords, coords) === 1)) {
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return false;
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}
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let landed = false;
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for (const launch of launches) {
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const cargo = launch.cargo || [];
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for (const passenger of cargo) {
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const proto = this.protoUnits[passenger.proto];
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if (!proto) continue;
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const unit = this._spawnUnit(coords, civ, proto);
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if (passenger.hp !== undefined) unit.hp = Math.min(proto.maxHp, passenger.hp);
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landed = true;
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}
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launch.cargo = [];
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}
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if (landed) {
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this._visibilityDirty = true;
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this._emitChanged();
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}
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return landed;
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},
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// -------------------------------------------------- coastal cannons --
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// Coastal cannons fire at hostile warships within range every hour.
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_tickCoastalCannons() {
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const damaged = new Map();
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for (const [k, id] of this.tileImprovements) {
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const proto = tileImprovementById(id);
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if (!proto || !proto.automatic) continue;
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const owner = this.tileImprovementOwner.get(k);
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const coords = parseKey(k);
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for (const target of this._unitsWithin(coords, proto.range || 1)) {
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const targetProto = this.unitProto(target);
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if (!targetProto || !targetProto.naval) continue;
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if (target.civ === owner) continue;
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const amount = COASTAL_CANNON.damage;
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damaged.set(target, (damaged.get(target) || 0) + amount);
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}
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}
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if (damaged.size === 0) return;
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const destroyed = [];
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for (const [unit, amount] of damaged) {
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unit.hp -= amount;
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if (unit.hp <= 0) {
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unit.hp = 0;
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destroyed.push(unit);
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}
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}
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this._recordMilitaryCasualties(destroyed);
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for (const unit of destroyed) this._destroyUnit(unit);
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if (destroyed.length > 0) this._visibilityDirty = true;
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this._emitChanged();
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},
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// Every unit within `radius` tiles of `coords`. Walks outward over the tile
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// index rather than scanning the whole army, so a map-wide battery does not
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// pay for every unit twice a day.
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_unitsWithin(coords, radius) {
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const result = [];
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if (!(radius >= 0)) return result;
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if (!this._unitsByTile) {
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for (const unit of this.units) {
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if (this.topology.tileDistance(coords, unit.coords) <= radius) result.push(unit);
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}
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return result;
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}
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const seen = new Set([key(coords.x, coords.y)]);
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let frontier = [coords];
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let depth = 0;
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while (frontier.length > 0 && depth <= radius) {
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for (const c of frontier) {
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const bucket = this._unitsByTile.get(key(c.x, c.y));
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if (bucket) {
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for (const unit of bucket) {
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if (this.topology.tileDistance(coords, unit.coords) <= radius) result.push(unit);
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}
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}
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}
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if (depth === radius) break;
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const next = [];
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for (const c of frontier) {
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for (const neighbour of this._neighbours(c)) {
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const nk = key(neighbour.x, neighbour.y);
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if (seen.has(nk)) continue;
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seen.add(nk);
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next.push(neighbour);
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}
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}
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frontier = next;
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depth += 1;
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}
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return result;
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},
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};
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