town tweak

This commit is contained in:
33333-33333 2026-05-24 17:38:51 +09:00
commit 1ea8ba1701
12 changed files with 5005 additions and 379 deletions

View file

@ -11,6 +11,15 @@ import {
import { INF, MAP_H, MAP_W, SIZE, MinHeap, clamp, hash2, indexOf, inside, pickEntities, rand, xyOf } from "./mapUtils.js";
import { extractAdminBorderSegments } from "./mapGeneratorHelpers.js";
const OUTER_ANCHOR_REGION_ID = -2;
function adminGenerationRegionIdAt(i, prefectureMask, prefectureRegionId) {
if (prefectureMask[i]) return 0;
const regionalId = prefectureRegionId?.[i] ?? -1;
if (regionalId === 0) return OUTER_ANCHOR_REGION_ID;
return regionalId;
}
function changedCellsSince(before, after, prefectureMask, sea) {
let changed = 0;
for (let i = 0; i < SIZE; i++) if (prefectureMask[i] && !sea[i] && before[i] !== after[i]) changed++;
@ -580,7 +589,7 @@ function expandSatelliteMunicipalityCatchment(adminId, satellite, targetAdmin, c
return changed;
}
export function generateAdminLayout({
function generateAdminLayoutForMask({
seed,
prefectureMask,
sea,
@ -617,8 +626,8 @@ export function generateAdminLayout({
: ridgeField;
const satelliteClassificationDebug = classifySatelliteMunicipalities(satelliteCities, modernCities, prefectureMask, sea, landuse, populationDensity, roadInfluence, railInfluence2, boundaryRidgeField, river, flowAccum);
const targetMunicipalityCount = computeTargetMunicipalityCount({ prefectureMask, sea, elevation, slope, ridgeField: boundaryRidgeField, coastalLowland, basinField, modernCities, markets, ports, satelliteCities, villages });
const compartmentMultiplier = clamp(3.5 + rand(seed, 1320) * 2.0, 3.5, 5.5);
let targetCompartmentCount = clamp(Math.round(targetMunicipalityCount * compartmentMultiplier), 80, 240);
const compartmentMultiplier = clamp(4.6 + rand(seed, 1320) * 2.4, 4.6, 7.0);
let targetCompartmentCount = clamp(Math.round(targetMunicipalityCount * compartmentMultiplier), 120, 360);
let adminCentersRaw = buildLowlandAdminSeeds({
seed,
targetMunicipalityCount,
@ -648,6 +657,7 @@ export function generateAdminLayout({
seed,
targetMunicipalityCount,
targetCompartmentCount,
maxNaturalCompartmentArea: Math.max(32, Math.round(maskLandArea(prefectureMask, sea) / Math.max(1, targetCompartmentCount) * 1.65)),
});
const adminId = compartmentAssignment.adminId;
let previousSnapshot = new Int16Array(adminId);
@ -876,3 +886,179 @@ export function generateAdminLayout({
return { adminCentersRaw, adminId, adminBorders, adminDebug };
}
function filterPointsForMask(points = [], mask, sea) {
return (points || []).filter((p) => p && inside(p.x, p.y) && mask[indexOf(p.x, p.y)] && !sea[indexOf(p.x, p.y)]);
}
function buildRegionMask(prefectureMask, prefectureRegionId, sea, regionId) {
const mask = new Uint8Array(SIZE);
for (let i = 0; i < SIZE; i++) {
if (sea[i]) continue;
mask[i] = adminGenerationRegionIdAt(i, prefectureMask, prefectureRegionId) === regionId ? 1 : 0;
}
return mask;
}
function maskLandArea(mask, sea) {
let area = 0;
for (let i = 0; i < SIZE; i++) if (mask[i] && !sea[i]) area++;
return area;
}
function discoverAdminRegionIds(prefectureMask, prefectureRegionId, sea) {
const ids = new Set();
for (let i = 0; i < SIZE; i++) {
if (sea[i]) continue;
const id = adminGenerationRegionIdAt(i, prefectureMask, prefectureRegionId);
if (id >= 0 || id === OUTER_ANCHOR_REGION_ID) ids.add(id);
}
return [...ids].sort((a, b) => a - b);
}
export function generateAdminLayout(context) {
const { prefectureMask, prefectureRegionId, sea, populationDensity, plain, slope } = context;
const regionIds = discoverAdminRegionIds(prefectureMask, prefectureRegionId, sea)
.filter((regionId) => maskLandArea(buildRegionMask(prefectureMask, prefectureRegionId, sea, regionId), sea) >= 120);
if (!prefectureRegionId || regionIds.length <= 1) return generateAdminLayoutForMask(context);
const combinedAdminId = new Int16Array(SIZE);
combinedAdminId.fill(-1);
const combinedHumanMask = new Uint8Array(SIZE);
const combinedCenters = [];
const combinedCompartmentBorders = [];
const perRegion = [];
let idOffset = 0;
for (const regionId of regionIds) {
const regionMask = buildRegionMask(prefectureMask, prefectureRegionId, sea, regionId);
const regionArea = maskLandArea(regionMask, sea);
if (regionArea < 120) continue;
const localContext = {
...context,
seed: (context.seed + regionId * 10007) >>> 0,
prefectureMask: regionMask,
modernCities: filterPointsForMask(context.modernCities, regionMask, sea),
satelliteCities: filterPointsForMask(context.satelliteCities, regionMask, sea),
newTowns: filterPointsForMask(context.newTowns, regionMask, sea),
markets: filterPointsForMask(context.markets, regionMask, sea),
villages: filterPointsForMask(context.villages, regionMask, sea),
ports: filterPointsForMask(context.ports, regionMask, sea),
stations: filterPointsForMask(context.stations, regionMask, sea),
industrialZones: filterPointsForMask(context.industrialZones, regionMask, sea),
logisticsParks: filterPointsForMask(context.logisticsParks, regionMask, sea),
};
const local = generateAdminLayoutForMask(localContext);
if (local.adminDebug?.compartmentBorders?.length) combinedCompartmentBorders.push(...local.adminDebug.compartmentBorders);
let localMaxAdminId = -1;
for (let i = 0; i < SIZE; i++) if (regionMask[i] && !sea[i] && (local.adminId?.[i] ?? -1) > localMaxAdminId) localMaxAdminId = local.adminId[i];
const localSlotCount = Math.max(local.adminCentersRaw?.length || 0, localMaxAdminId + 1);
const localCenters = [];
for (let localAdminId = 0; localAdminId < localSlotCount; localAdminId++) {
let center = local.adminCentersRaw?.[localAdminId];
if (!center) {
let sx = 0, sy = 0, count = 0, bestI = -1, bestScore = -INF;
for (let i = 0; i < SIZE; i++) {
if (!regionMask[i] || sea[i] || local.adminId?.[i] !== localAdminId) continue;
const [x, y] = xyOf(i);
sx += x;
sy += y;
count++;
const score = (populationDensity?.[i] || 0) + (plain?.[i] || 0) * 0.2 - (slope?.[i] || 0) * 0.2;
if (score > bestScore) { bestScore = score; bestI = i; }
}
if (count && bestI >= 0) {
const [bx, by] = xyOf(bestI);
center = { x: bx, y: by, score: bestScore, seedKind: "generatedAdminSlot", invisibleLowlandAdminSeed: true };
}
}
if (!center) center = { x: 0, y: 0, score: 0, seedKind: "emptyAdminSlot", invisibleLowlandAdminSeed: true };
localCenters.push({
...center,
regionId,
localAdminId,
adminIdOffset: idOffset,
});
}
combinedCenters.push(...localCenters);
for (let i = 0; i < SIZE; i++) {
if (!regionMask[i] || sea[i]) continue;
combinedHumanMask[i] = 1;
const localId = local.adminId?.[i] ?? -1;
if (localId >= 0) combinedAdminId[i] = localId + idOffset;
}
perRegion.push({
regionId,
area: regionArea,
centerCount: localCenters.length,
municipalityCount: local.adminDebug?.finalMunicipalityCount || local.adminDebug?.actualMunicipalityCount || new Set([...local.adminId].filter((id, i) => id >= 0 && regionMask[i] && !sea[i])).size,
naturalCompartmentCount: local.adminDebug?.naturalCompartmentCount || 0,
targetNaturalCompartmentCount: local.adminDebug?.targetNaturalCompartmentCount || 0,
averageCompartmentArea: local.adminDebug?.averageCompartmentArea || 0,
maxCompartmentArea: local.adminDebug?.maxCompartmentArea || 0,
maxCompartmentElongation: local.adminDebug?.maxCompartmentElongation || 1,
worstNaturalCompartments: local.adminDebug?.worstNaturalCompartments || [],
singleCompartmentMunicipalityRatio: local.adminDebug?.singleCompartmentMunicipalityRatio || 0,
});
idOffset += localSlotCount;
}
const leftoverByRegion = new Map();
for (let i = 0; i < SIZE; i++) {
if (sea[i]) continue;
const regionId = adminGenerationRegionIdAt(i, prefectureMask, prefectureRegionId);
if ((regionId < 0 && regionId !== OUTER_ANCHOR_REGION_ID) || combinedAdminId[i] >= 0) continue;
if (!leftoverByRegion.has(regionId)) leftoverByRegion.set(regionId, []);
leftoverByRegion.get(regionId).push(i);
}
for (const [regionId, cells] of leftoverByRegion) {
let sx = 0, sy = 0, bestI = cells[0], bestScore = -INF;
for (const i of cells) {
const [x, y] = xyOf(i);
sx += x;
sy += y;
const score = (populationDensity?.[i] || 0) + (plain?.[i] || 0) * 0.2 - (slope?.[i] || 0) * 0.2;
if (score > bestScore) { bestScore = score; bestI = i; }
}
const [cx, cy] = xyOf(bestI);
const id = combinedCenters.length;
combinedCenters.push({ x: cx, y: cy, score: bestScore, regionId, localAdminId: 0, seedKind: "tinyRegionAdminSeed", invisibleLowlandAdminSeed: true });
for (const i of cells) {
combinedHumanMask[i] = 1;
combinedAdminId[i] = id;
}
perRegion.push({ regionId, area: cells.length, centerCount: 1, municipalityCount: 1, naturalCompartmentCount: 1, targetNaturalCompartmentCount: 1, averageCompartmentArea: cells.length, maxCompartmentArea: cells.length, maxCompartmentElongation: 1, singleCompartmentMunicipalityRatio: 1, tinyRegionFallback: true });
}
const adminBorders = extractAdminBorderSegments(combinedAdminId, combinedHumanMask);
const totalMunicipalityCount = new Set([...combinedAdminId].filter((id, i) => id >= 0 && combinedHumanMask[i] && !sea[i])).size;
const totalNaturalCompartmentCount = perRegion.reduce((sum, row) => sum + (row.naturalCompartmentCount || 0), 0);
const totalTargetNaturalCompartmentCount = perRegion.reduce((sum, row) => sum + (row.targetNaturalCompartmentCount || 0), 0);
const weightedCompartmentArea = perRegion.reduce((sum, row) => sum + (row.averageCompartmentArea || 0) * (row.naturalCompartmentCount || 0), 0);
const weightedSingleRatio = perRegion.reduce((sum, row) => sum + (row.singleCompartmentMunicipalityRatio || 0) * (row.municipalityCount || 0), 0);
const adminDebug = {
multiRegionAdmin: true,
adminRegionCount: perRegion.length,
perRegion,
finalMunicipalityCount: totalMunicipalityCount,
actualMunicipalityCount: totalMunicipalityCount,
candidateSeedCount: combinedCenters.length,
naturalCompartmentCount: totalNaturalCompartmentCount,
compartmentCount: totalNaturalCompartmentCount,
targetNaturalCompartmentCount: totalTargetNaturalCompartmentCount,
averageCompartmentArea: totalNaturalCompartmentCount ? weightedCompartmentArea / totalNaturalCompartmentCount : 0,
maxCompartmentArea: Math.max(0, ...perRegion.map((row) => row.maxCompartmentArea || 0)),
maxCompartmentElongation: Math.max(1, ...perRegion.map((row) => row.maxCompartmentElongation || 1)),
averageCompartmentsPerMunicipality: totalMunicipalityCount ? totalNaturalCompartmentCount / totalMunicipalityCount : 0,
singleCompartmentMunicipalityRatio: totalMunicipalityCount ? weightedSingleRatio / totalMunicipalityCount : 0,
compartmentBorders: combinedCompartmentBorders,
};
return { adminCentersRaw: combinedCenters, adminId: combinedAdminId, adminBorders, adminDebug };
}