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33333-33333 2026-05-26 00:45:01 +09:00
commit 5c82bfcab7
13 changed files with 1028 additions and 8801 deletions
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66
mapGeneratorHelpers.js
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@ -915,69 +915,3 @@ export function applyOutputOptions(map, options = {}) {
delete slim.naturalBarrierScore;
return slim;
}
export function recalculatePopulationAfterLanduse(modernCities, satelliteCities, populationDensity, landuse, prefectureMask, sea, stationInfluence, roadInfluence, railInfluence) {
populationDensity.fill(0);
const allCities = [...modernCities, ...satelliteCities];
for (const city of allCities) {
const urbanR = Math.max(4, city.urbanRadius || 8);
const coreR = Math.max(2, city.coreRadius || 3);
const popScale = clamp((Math.log10(Math.max(12000, city.population || 12000)) - 4) / 2.25, 0.16, 1.65);
const r = Math.ceil(urbanR * 2.2);
for (let dy = -r; dy <= r; dy++) {
for (let dx = -r; dx <= r; dx++) {
const x = city.x + dx;
const y = city.y + dy;
if (!inside(x, y)) continue;
const i = indexOf(x, y);
if (sea[i] || !prefectureMask[i]) continue;
const d = Math.hypot(dx, dy);
const lu = landuse[i];
const landuseWeight = lu === 3 ? 1.85 : lu === 2 ? 1.42 : lu === 4 ? 1.05 : lu === 7 ? 0.82 : lu === 8 ? 0.68 : 0.10;
const radial = 1 / (1 + Math.pow(d / urbanR, 2.5));
const core = Math.exp(-(d * d) / (coreR * coreR * 2.0));
const transit = Math.max(stationInfluence?.[i] || 0, (railInfluence?.[i] || 0) * 0.55, (roadInfluence?.[i] || 0) * 0.24);
populationDensity[i] += popScale * landuseWeight * (radial * 0.78 + core * 0.38 + transit * 0.18);
}
}
}
let maxDensity = 0;
for (let i = 0; i < SIZE; i++) if (prefectureMask[i] && !sea[i]) maxDensity = Math.max(maxDensity, populationDensity[i]);
if (maxDensity > 0) for (let i = 0; i < SIZE; i++) populationDensity[i] = clamp(populationDensity[i] / maxDensity);
for (const city of allCities) {
let urbanCells = 0;
let coreCells = 0;
let densitySum = 0;
const r = Math.ceil((city.urbanRadius || 8) * 2.0);
for (let dy = -r; dy <= r; dy++) {
for (let dx = -r; dx <= r; dx++) {
const x = city.x + dx;
const y = city.y + dy;
if (!inside(x, y)) continue;
const i = indexOf(x, y);
if (!prefectureMask[i] || sea[i]) continue;
const d = Math.hypot(dx, dy);
if (d > r) continue;
const lu = landuse[i];
if (lu >= 2 && lu <= 8) {
urbanCells++;
densitySum += populationDensity[i];
if (lu === 3) coreCells++;
}
}
}
const capitalLike = city.isPrefecturalCapital || city.isRegionalCapital;
const base = city.isPrefecturalCapital ? 90000 : city.isRegionalCapital ? 62000 : city.kind === "Satellite City" ? 16000 : 32000;
const urbanComponent = urbanCells * (city.isPrefecturalCapital ? 1500 : city.isRegionalCapital ? 1350 : city.kind === "Satellite City" ? 900 : 1200);
const coreComponent = coreCells * 3200;
const densityComponent = densitySum * 360;
const computedPopulation = base + urbanComponent + coreComponent + densityComponent;
const footprintCells = city.urbanFootprintCells || urbanCells;
const footprintCoreCells = city.coreFootprintCells || coreCells;
const footprintCap = base + footprintCells * (city.isPrefecturalCapital ? 8500 : city.isRegionalCapital ? 7000 : city.kind === "Satellite City" ? 4300 : 5200) + footprintCoreCells * (city.isPrefecturalCapital ? 10500 : 9000);
city.population = Math.round(Math.max(base, Math.min(computedPopulation, footprintCap)) / 1000) * 1000;
city.urbanRadius = clamp(5.0 + Math.sqrt(city.population) / 95, city.kind === "Satellite City" ? 5 : 7, capitalLike ? 34 : 28);
city.coreRadius = clamp(1.8 + Math.sqrt(city.population) / 360, 2.2, capitalLike ? 9 : 8);
}
}