Files
core2026/packages/logic/src/diplomacy/index.ts
T

142 lines
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TypeScript

import { clamp } from 'es-toolkit';
import { DIPLOMACY_STATE } from './constants.js';
export { DIPLOMACY_STATE } from './constants.js';
export const DEFAULT_DECLARE_WAR_TERM = 24;
export const DEFAULT_WAR_TERM = 6;
const MAX_WAR_TERM = 13;
export interface DiplomacyEntry {
fromNationId: number;
toNationId: number;
state: number;
term: number;
dead: number;
meta: Record<string, unknown>;
}
export interface DiplomacyPatch {
state?: number;
term?: number;
dead?: number;
deadDelta?: number;
meta?: Record<string, unknown>;
}
export const buildDiplomacyKey = (srcNationId: number, destNationId: number): string =>
`${srcNationId}:${destNationId}`;
export const buildDefaultDiplomacy = (srcNationId: number, destNationId: number): DiplomacyEntry => ({
fromNationId: srcNationId,
toNationId: destNationId,
state: DIPLOMACY_STATE.TRADE,
term: 0,
dead: 0,
meta: {},
});
export const applyDiplomacyPatch = (entry: DiplomacyEntry, patch: DiplomacyPatch): DiplomacyEntry => {
const nextDead =
typeof patch.dead === 'number'
? patch.dead
: typeof patch.deadDelta === 'number'
? entry.dead + patch.deadDelta
: entry.dead;
return {
...entry,
state: patch.state ?? entry.state,
term: patch.term ?? entry.term,
dead: clamp(nextDead, 0, Number.MAX_SAFE_INTEGER),
meta: patch.meta ? { ...entry.meta, ...patch.meta } : entry.meta,
};
};
export const readDiplomacyMeta = (meta: Record<string, unknown>): { meta: Record<string, unknown>; dead: number } => {
const rawDead = meta.dead;
const dead = typeof rawDead === 'number' ? rawDead : 0;
const cleaned = { ...meta };
delete cleaned.dead;
return { meta: cleaned, dead };
};
export const buildDiplomacyMeta = (entry: DiplomacyEntry): Record<string, unknown> => ({
...entry.meta,
dead: entry.dead,
});
export const processDiplomacyMonth = (
diplomacy: DiplomacyEntry[],
generalCounts: Map<number, number>
): DiplomacyEntry[] => {
const next = diplomacy.map((entry) => ({
...entry,
meta: { ...entry.meta },
}));
const byKey = new Map<string, DiplomacyEntry>(
next.map((entry) => [buildDiplomacyKey(entry.fromNationId, entry.toNationId), entry])
);
// 전쟁 기간 갱신: 사상자에 따라 term 증가, 잔여 사상자 유지.
for (const entry of next) {
if (entry.state !== DIPLOMACY_STATE.WAR || entry.dead <= 0) {
continue;
}
const genCount = Math.max(1, generalCounts.get(entry.fromNationId) ?? 1);
const termIncrease = Math.floor(entry.dead / 100 / genCount);
if (termIncrease <= 0) {
continue;
}
entry.dead -= termIncrease * 100 * genCount;
entry.term = clamp(entry.term + termIncrease, 0, MAX_WAR_TERM);
}
// 전쟁 종료 판정: 양방 term이 1 이하이면 통상으로 전환.
const processedPairs = new Set<string>();
for (const entry of next) {
if (entry.state !== DIPLOMACY_STATE.WAR || entry.term > 1) {
continue;
}
const pairKey = buildDiplomacyKey(
Math.min(entry.fromNationId, entry.toNationId),
Math.max(entry.fromNationId, entry.toNationId)
);
if (processedPairs.has(pairKey)) {
continue;
}
const opposite = byKey.get(buildDiplomacyKey(entry.toNationId, entry.fromNationId));
if (opposite && opposite.state === DIPLOMACY_STATE.WAR && opposite.term <= 1) {
entry.state = DIPLOMACY_STATE.TRADE;
entry.term = 0;
opposite.state = DIPLOMACY_STATE.TRADE;
opposite.term = 0;
processedPairs.add(pairKey);
}
}
// 사상자 초기화 및 term 감소.
for (const entry of next) {
if (entry.state !== DIPLOMACY_STATE.WAR) {
entry.dead = 0;
}
entry.term = Math.max(0, entry.term - 1);
}
// 불가침/선전포고 만료 처리.
for (const entry of next) {
if (entry.state === DIPLOMACY_STATE.NON_AGGRESSION && entry.term === 0) {
entry.state = DIPLOMACY_STATE.TRADE;
} else if (entry.state === DIPLOMACY_STATE.DECLARATION && entry.term === 0) {
entry.state = DIPLOMACY_STATE.WAR;
entry.term = DEFAULT_WAR_TERM;
}
}
return next;
};
export * from './frontState.js';
export * from './instantResponse.js';