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refactor(generation): cultures continue

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max 2022-07-28 21:08:49 +03:00
parent fa2b873bf8
commit 6d70458aaf
3 changed files with 50 additions and 20 deletions
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52
src/scripts/generation/pack/cultures.ts
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@ -40,6 +40,7 @@ export const generateCultures = function (
const cultureIds = new Uint16Array(cells.i.length); // cell cultures
const populatedCellIds = cells.i.filter(cellId => cells.pop[cellId] > 0);
const maxSuitability = d3.max(cells.s)!;
const culturesNumber = getCulturesNumber(populatedCellIds.length);
if (!culturesNumber) return {cultureIds, cultures: [wildlands]};
@ -117,12 +118,12 @@ export const generateCultures = function (
function selectCulturesData(culturesNumber: number) {
let defaultCultures = getDefault(culturesNumber);
if (defaultCultures.length >= culturesNumber) return defaultCultures;
if (defaultCultures.length <= culturesNumber) return defaultCultures;
const culturesAvailable = Math.min(culturesNumber, defaultCultures.length);
const cultures = [];
const MAX_ITERATIONS = 200;
for (let culture, rnd, i = 0; cultures.length < culturesAvailable && i < 200; i++) {
for (let culture, rnd, i = 0; cultures.length < culturesNumber && i < MAX_ITERATIONS; i++) {
do {
rnd = rand(defaultCultures.length - 1);
culture = defaultCultures[rnd];
@ -135,34 +136,59 @@ export const generateCultures = function (
}
function placeCenter(sortingString: string) {
let spacing = (graphWidth + graphHeight) / 2 / culturesNumber;
const sorted = sortPopulatedCellByCultureSuitability(sortingString);
const MAX = Math.floor(sorted.length / 2);
const BIAS_EXPONENT = 6;
return (function getCellId(): number {
const cellId = sorted[biased(0, MAX, BIAS_EXPONENT)];
if (centers.find(...cells.p[cellId], spacing) !== undefined) {
// to close to another center, try again with reduced spacing
spacing *= 0.9;
return getCellId(); // call recursively
}
return cellId;
})();
}
function sortPopulatedCellByCultureSuitability(sortingString: string) {
let cellId: number;
const sMax = d3.max(cells.s)!;
const sortingMethods = {
n: () => Math.ceil((cells.s[cellId] / sMax) * 3), // normalized cell score
n: () => Math.ceil((cells.s[cellId] / maxSuitability) * 3), // normalized cell score
td: (goalTemp: number) => {
const tempDelta = Math.abs(temp[cells.g[cellId]] - goalTemp);
return tempDelta ? tempDelta + 1 : 1;
},
bd: (biomes: number[], fee = 4) => {
return biomes.includes(cells.biome[cellId]) ? 1 : fee;
},
sf: (fee = 4) => {
const haven = cells.haven[cellId];
const havenHeature = features[haven];
return haven && havenHeature && havenHeature.type !== "lake" ? 1 : fee;
},
t: () => cells.t[cellId],
h: () => cells.h[cellId],
s: () => cells.s[cellId]
};
const allSortingMethods = `{${Object.keys(sortingMethods).join(", ")}}`;
const sortFn = new Function(allSortingMethods, "return " + sortingString);
const comparator = (a: number, b: number) => {
cellId = a;
const cellA = sortFn({...sortingMethods});
const cellA = sortFn(sortingMethods);
cellId = b;
const cellB = sortFn(sortingMethods);
@ -170,15 +196,8 @@ export const generateCultures = function (
return cellB - cellA;
};
let spacing = (graphWidth + graphHeight) / 2 / culturesNumber;
const sorted = Array.from(populatedCellIds).sort(comparator);
const max = Math.floor(sorted.length / 2);
do {
cellId = sorted[biased(0, max, 5)];
spacing *= 0.9;
} while (centers.find(...cells.p[cellId], spacing) !== undefined);
return cellId;
return sorted;
}
// set culture type based on culture center position
@ -230,7 +249,8 @@ export const generateCultures = function (
}
// check if base is in nameBases
if (base > nameBases.length) return base;
if (base < nameBases.length) return base;
ERROR && console.error(`Name base ${base} is not available, applying a fallback one`);
return base % nameBases.length;
}