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refactor: generate states

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This commit is contained in:
max 2022-08-05 23:17:06 +03:00
parent e62d6ec74c
commit c2fc0679ad
15 changed files with 472 additions and 301 deletions
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4
public/libs/define-globals.js
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@ -17,7 +17,7 @@ let rulers;
let biomesData; let biomesData;
let nameBases; let nameBases;
// defined in main.js // defined in main.ts
let graphWidth; let graphWidth;
let graphHeight; let graphHeight;
let svgWidth; let svgWidth;
@ -44,7 +44,7 @@ let svg,
texture, texture,
terrs, terrs,
biomes, biomes,
cells, // cells,
gridOverlay, gridOverlay,
coordinates, coordinates,
compass, compass,

3
src/config/generation.ts
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@ -12,6 +12,7 @@ export enum DISTANCE_FIELD {
export enum ELEVATION { export enum ELEVATION {
MOUNTAINS = 70, MOUNTAINS = 70,
FOOTHILLS = 60,
HILLS = 50, HILLS = 50,
LOWLANDS = 30 LOWLANDS = 30
} }
@ -46,7 +47,7 @@ const {
WETLAND WETLAND
} = BIOME; } = BIOME;
export const NOMADIC_BIOMES = [HOT_DESERT, COLD_DESERT, GRASSLAND]; export const NOMADIC_BIOMES = [HOT_DESERT, COLD_DESERT, SAVANNA, GRASSLAND];
export const HUNTING_BIOMES = [SAVANNA, TROPICAL_RAINFOREST, TEMPERATE_RAINFOREST, TAIGA, TUNDRA, WETLAND]; export const HUNTING_BIOMES = [SAVANNA, TROPICAL_RAINFOREST, TEMPERATE_RAINFOREST, TAIGA, TUNDRA, WETLAND];

1
src/modules/burgs-and-states.js
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@ -8,7 +8,6 @@ import {Voronoi} from "/src/modules/voronoi";
import {getColors, getMixedColor, getRandomColor} from "utils/colorUtils"; import {getColors, getMixedColor, getRandomColor} from "utils/colorUtils";
import {findCell} from "utils/graphUtils"; import {findCell} from "utils/graphUtils";
import {getAdjective, trimVowels} from "utils/languageUtils"; import {getAdjective, trimVowels} from "utils/languageUtils";
import {getMiddlePoint} from "utils/lineUtils";
import {minmax, rn} from "utils/numberUtils"; import {minmax, rn} from "utils/numberUtils";
import {each, gauss, generateSeed, P, ra, rand, rw} from "utils/probabilityUtils"; import {each, gauss, generateSeed, P, ra, rand, rw} from "utils/probabilityUtils";
import {round, splitInTwo} from "utils/stringUtils"; import {round, splitInTwo} from "utils/stringUtils";

294
src/scripts/generation/pack/burgsAndStates.ts
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@ -1,294 +0,0 @@
import * as d3 from "d3";
import {TIME, WARN} from "config/logging";
import {getColors} from "utils/colorUtils";
import {getInputNumber} from "utils/nodeUtils";
import {rn} from "utils/numberUtils";
import {each, gauss} from "utils/probabilityUtils";
import {getCommonEdgePoint} from "utils/lineUtils";
const {Names, COA} = window;
export function generateBurgsAndStates(
cells: Pick<IPack["cells"], "v" | "p" | "i" | "g" | "f" | "haven" | "harbor" | "r" | "fl" | "s" | "culture">,
vertices: IGraphVertices,
cultures: TCultures,
features: TPackFeatures,
temp: Int8Array
) {
const cellsNumber = cells.i.length;
const burgIds = new Uint16Array(cellsNumber);
const noBurg: TNoBurg = {name: undefined};
const neutrals: TNeutrals = {i: 0, name: "Neutrals"};
const scoredCellIds = getScoredCellIds();
const statesNumber = getStatesNumber(scoredCellIds.length);
if (statesNumber === 0) return {burgIds, burgs: [noBurg], states: [neutrals]};
const capitals = createCapitals();
const states = createStates();
const towns = createTowns();
const roadScores = new Uint16Array(cellsNumber); // TODO: define roads
const burgs = specifyBurgs();
return {burgIds, states, burgs};
function getScoredCellIds() {
// cell score for capitals placement
const score = new Int16Array(cells.s.map(s => s * Math.random()));
// filtered and sorted array of indexes
const sorted = cells.i.filter(i => score[i] > 0 && cells.culture[i]).sort((a, b) => score[b] - score[a]);
return sorted;
}
function getStatesNumber(populatedCells: number) {
const requestedStatesNumber = getInputNumber("regionsOutput");
if (populatedCells < requestedStatesNumber * 10) {
const maxAllowed = Math.floor(populatedCells / 10);
if (maxAllowed === 0) {
WARN && console.warn("There is no populated cells. Cannot generate states");
return 0;
}
WARN && console.warn(`Not enough populated cells (${populatedCells}). Will generate only ${maxAllowed} states`);
return maxAllowed;
}
return requestedStatesNumber;
}
function createCapitals() {
TIME && console.time("createCapitals");
const capitals = placeCapitals().map((cellId, index) => {
const id = index + 1;
const cultureId = cells.culture[cellId];
const name: string = Names.getCultureShort(cultureId);
const featureId = cells.f[cellId];
return {i: id, cell: cellId, culture: cultureId, name, feature: featureId, capital: 1 as Logical};
});
for (const {cell, i} of capitals) {
burgIds[cell] = i;
}
TIME && console.timeEnd("createCapitals");
return capitals;
function placeCapitals() {
function attemptToPlaceCapitals(spacing: number): number[] {
const capitalCells: number[] = [];
const capitalsQuadtree = d3.quadtree();
for (const cellId of scoredCellIds) {
const [x, y] = cells.p[cellId];
if (capitalsQuadtree.find(x, y, spacing) === undefined) {
capitalCells.push(cellId);
capitalsQuadtree.add([x, y]);
if (capitalCells.length === statesNumber) return capitalCells;
}
}
WARN && console.warn("Cannot place capitals, trying again with reduced spacing");
return attemptToPlaceCapitals(spacing / 1.2);
}
// initial min distance between capitals, reduced by 1.2 each iteration if not enough space
const initialSpacing = (graphWidth + graphHeight) / 2 / statesNumber;
return attemptToPlaceCapitals(initialSpacing);
}
}
function createStates() {
TIME && console.time("createStates");
const colors = getColors(capitals.length);
const each5th = each(5); // select each 5th element
const powerInput = getInputNumber("powerInput");
const states = capitals.map((capital, index) => {
const {cell: cellId, culture: cultureId, name: capitalName, i: capitalId} = capital;
const id = index + 1;
const useCapitalName = capitalName.length < 9 && each5th(cellId);
const basename = useCapitalName ? capitalName : Names.getCultureShort(cultureId);
const name: string = Names.getState(basename, cultureId);
const color = colors[index];
const type = (cultures[cultureId] as ICulture).type;
const expansionism = rn(Math.random() * powerInput + 1, 1);
const shield = COA.getShield(cultureId, null);
const coa = {...COA.generate(null, null, null, type), shield};
return {i: id, center: cellId, type, name, color, expansionism, capital: capitalId, culture: cultureId, coa};
});
TIME && console.timeEnd("createStates");
return [neutrals, ...states];
}
function createTowns() {
TIME && console.time("createTowns");
const townsNumber = getTownsNumber();
if (townsNumber === 0) return [];
// randomize cells score a bit for more natural towns placement
const randomizeScore = (suitability: number) => suitability * gauss(1, 3, 0, 20, 3);
const scores = new Int16Array(cells.s.map(randomizeScore));
// take populated cells without capitals
const scoredCellsIds = cells.i.filter(i => scores[i] > 0 && cells.culture[i] && !burgIds[i]);
scoredCellsIds.sort((a, b) => scores[b] - scores[a]); // sort by randomized suitability score
const towns = placeTowns().map((cellId, index) => {
const id = index + 1;
const cultureId = cells.culture[cellId];
const name: string = Names.getCulture(cultureId);
const featureId = cells.f[cellId];
return {i: id, cell: cellId, culture: cultureId, name, feature: featureId, capital: 0 as Logical};
});
for (const {cell, i} of towns) {
burgIds[cell] = i;
}
TIME && console.timeEnd("createTowns");
return towns;
function getTownsNumber() {
const inputTownsNumber = getInputNumber("manorsInput");
const shouldAutoDefine = inputTownsNumber === 1000;
const desiredTownsNumber = shouldAutoDefine ? rn(scoredCellsIds.length / 5 ** 0.8) : inputTownsNumber;
return Math.min(desiredTownsNumber, scoredCellsIds.length);
}
function placeTowns() {
function attemptToPlaceTowns(spacing: number): number[] {
const townCells: number[] = [];
const townsQuadtree = d3.quadtree();
const randomizeScaping = (spacing: number) => spacing * gauss(1, 0.3, 0.2, 2, 2);
for (const cellId of scoredCellsIds) {
const [x, y] = cells.p[cellId];
// randomize min spacing a bit to make placement not that uniform
const currentSpacing = randomizeScaping(spacing);
if (townsQuadtree.find(x, y, currentSpacing) === undefined) {
townCells.push(cellId);
townsQuadtree.add([x, y]);
if (townCells.length === townsNumber) return townCells;
}
}
WARN && console.warn("Cannot place towns, trying again with reduced spacing");
return attemptToPlaceTowns(spacing / 2);
}
// initial min distance between towns, reduced by 2 each iteration if not enough space
const initialSpacing = (graphWidth + graphHeight) / 150 / (townsNumber ** 0.7 / 66);
return attemptToPlaceTowns(initialSpacing);
}
}
function specifyBurgs(): TBurgs {
TIME && console.time("specifyBurgs");
const burgs = [...capitals, ...towns].map(burgData => {
const {cell, capital} = burgData;
const port = definePort(cell, capital);
const population = definePopulation(cell, capital, port);
const [x, y] = defineLocation(cell, port);
const type = defineType(cell, port);
const coa = defineEmblem();
return {...burgData, port, population, x, y, type, coa};
});
TIME && console.timeEnd("specifyBurgs");
return [noBurg, ...burgs];
function definePort(cellId: number, capital: Logical) {
if (!cells.haven[cellId]) return 0; // must be a coastal cell
if (temp[cells.g[cellId]] <= 0) return 0; // temperature must be above zero °C
const havenCellId = cells.haven[cellId];
const havenFeatureId = cells.f[havenCellId];
const feature = features[havenFeatureId] as IPackFeatureOcean | IPackFeatureLake;
if (feature.cells < 2) return 0; // water body must have at least 2 cells
const isSafeHarbor = cells.harbor[cellId] === 1;
if (!capital && !isSafeHarbor) return 0; // must be a capital or safe harbor
return havenFeatureId;
}
function definePopulation(cellId: number, capital: Logical, port: number) {
const basePopulation = (cells.s[cellId] + roadScores[cellId] / 2) / 4;
const decimalPart = (cellId % 1000) / 1000;
const capitalMultiplier = capital ? 1.3 : 1;
const portMultiplier = port ? 1.3 : 1;
const randomMultiplier = gauss(1, 1.5, 0.3, 10, 3);
const total = (basePopulation + decimalPart) * capitalMultiplier * portMultiplier * randomMultiplier;
return rn(Math.max(0.1, total), 3);
}
function defineLocation(cellId: number, port: number) {
const [cellX, cellY] = cells.p[cellId];
if (port) {
// place ports on the coast
const [x, y] = getCommonEdgePoint(cells.v, vertices, cellId, cells.haven[cellId]);
return [rn(x, 2), rn(y, 2)];
}
if (cells.r[cellId]) {
// place river burgs a bit off of the cell center
const offset = Math.min(cells.fl[cellId] / 150, 1);
const x = cellId % 2 ? cellX + offset : cellX - offset;
const y = cells.r[cellId] % 2 ? cellY + offset : cellY - offset;
return [rn(x, 2), rn(y, 2)];
}
return [cellX, cellY];
}
function defineType(cellId: number, port: number) {
const cells = pack.cells;
if (port) return "Naval";
if (cells.haven[cellId] && pack.features[cells.f[cells.haven[cellId]]].type === "lake") return "Lake";
if (cells.h[cellId] > 60) return "Highland";
if (cells.r[cellId] && cells.r[cellId].length > 100 && cells.r[cellId].length >= pack.rivers[0].length)
return "River";
if (!cells.burg[cellId] || pack.burgs[cells.burg[cellId]].population < 6) {
if (population < 5 && [1, 2, 3, 4].includes(cells.biome[cellId])) return "Nomadic";
if (cells.biome[cellId] > 4 && cells.biome[cellId] < 10) return "Hunting";
}
return "Generic";
}
function defineEmblem() {
return "emblem";
}
}
}

2
src/scripts/generation/pack/burgsAndStates/config.ts Normal file
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@ -0,0 +1,2 @@
export const NO_BURG: TNoBurg = {name: undefined};
export const NEUTRALS: TNeutrals = {i: 0, name: "Neutrals"};

50
src/scripts/generation/pack/burgsAndStates/createCapitals.ts Normal file
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@ -0,0 +1,50 @@
import * as d3 from "d3";
import {TIME, WARN} from "config/logging";
const {Names} = window;
export function createCapitals(statesNumber: number, scoredCellIds: UintArray, burgIds: Uint16Array) {
TIME && console.time("createCapitals");
const capitals = placeCapitals(statesNumber, scoredCellIds).map((cellId, index) => {
const id = index + 1;
const cultureId = cells.culture[cellId];
const name: string = Names.getCultureShort(cultureId);
const featureId = cells.f[cellId];
return {i: id, cell: cellId, culture: cultureId, name, feature: featureId, capital: 1 as Logical};
});
for (const {cell, i} of capitals) {
burgIds[cell] = i;
}
TIME && console.timeEnd("createCapitals");
return capitals;
}
function placeCapitals(statesNumber: number, scoredCellIds: UintArray) {
function attemptToPlaceCapitals(spacing: number): number[] {
const capitalCells: number[] = [];
const capitalsQuadtree = d3.quadtree();
for (const cellId of scoredCellIds) {
const [x, y] = cells.p[cellId];
if (capitalsQuadtree.find(x, y, spacing) === undefined) {
capitalCells.push(cellId);
capitalsQuadtree.add([x, y]);
if (capitalCells.length === statesNumber) return capitalCells;
}
}
WARN && console.warn("Cannot place capitals, trying again with reduced spacing");
return attemptToPlaceCapitals(spacing / 1.2);
}
// initial min distance between capitals, reduced by 1.2 each iteration if not enough space
const initialSpacing = (graphWidth + graphHeight) / 2 / statesNumber;
return attemptToPlaceCapitals(initialSpacing);
}

40
src/scripts/generation/pack/burgsAndStates/createStates.ts Normal file
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@ -0,0 +1,40 @@
import {TIME} from "config/logging";
import {getColors} from "utils/colorUtils";
import {getInputNumber} from "utils/nodeUtils";
import {rn} from "utils/numberUtils";
import {each} from "utils/probabilityUtils";
import {NEUTRALS} from "./config";
import type {createCapitals} from "./createCapitals";
const {Names, COA} = window;
type TCapitals = ReturnType<typeof createCapitals>;
export function createStates(capitals: TCapitals, cultures: TCultures) {
TIME && console.time("createStates");
const colors = getColors(capitals.length);
const each5th = each(5); // select each 5th element
const powerInput = getInputNumber("powerInput");
const states = capitals.map((capital, index) => {
const {cell: cellId, culture: cultureId, name: capitalName, i: capitalId} = capital;
const id = index + 1;
const useCapitalName = capitalName.length < 9 && each5th(cellId);
const basename = useCapitalName ? capitalName : Names.getCultureShort(cultureId);
const name: string = Names.getState(basename, cultureId);
const color = colors[index];
const type = (cultures[cultureId] as ICulture).type;
const expansionism = rn(Math.random() * powerInput + 1, 1);
const shield = COA.getShield(cultureId, null);
const coa = {...COA.generate(null, null, null, type), shield};
return {i: id, center: cellId, type, name, color, expansionism, capital: capitalId, culture: cultureId, coa};
});
TIME && console.timeEnd("createStates");
return [NEUTRALS, ...states];
}

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src/scripts/generation/pack/burgsAndStates/createTowns.ts Normal file
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@ -0,0 +1,77 @@
import * as d3 from "d3";
import {TIME, WARN} from "config/logging";
import {getInputNumber} from "utils/nodeUtils";
import {rn} from "utils/numberUtils";
import {gauss} from "utils/probabilityUtils";
const {Names} = window;
export function createTowns(scoredCellIds: UintArray, burgIds: Uint16Array) {
TIME && console.time("createTowns");
const townsNumber = getTownsNumber();
if (townsNumber === 0) return [];
// randomize cells score a bit for more natural towns placement
const randomizeScore = (suitability: number) => suitability * gauss(1, 3, 0, 20, 3);
const scores = new Int16Array(cells.s.map(randomizeScore));
// take populated cells without capitals
const scoredCellsIds = cells.i.filter(i => scores[i] > 0 && cells.culture[i] && !burgIds[i]);
scoredCellsIds.sort((a, b) => scores[b] - scores[a]); // sort by randomized suitability score
const towns = placeTowns(townsNumber, scoredCellIds).map((cellId, index) => {
const id = index + 1;
const cultureId = cells.culture[cellId];
const name: string = Names.getCulture(cultureId);
const featureId = cells.f[cellId];
return {i: id, cell: cellId, culture: cultureId, name, feature: featureId, capital: 0 as Logical};
});
for (const {cell, i} of towns) {
burgIds[cell] = i;
}
TIME && console.timeEnd("createTowns");
return towns;
function getTownsNumber() {
const inputTownsNumber = getInputNumber("manorsInput");
const shouldAutoDefine = inputTownsNumber === 1000;
const desiredTownsNumber = shouldAutoDefine ? rn(scoredCellsIds.length / 5 ** 0.8) : inputTownsNumber;
return Math.min(desiredTownsNumber, scoredCellsIds.length);
}
}
function placeTowns(townsNumber: number, scoredCellIds: UintArray) {
function attemptToPlaceTowns(spacing: number): number[] {
const townCells: number[] = [];
const townsQuadtree = d3.quadtree();
const randomizeScaping = (spacing: number) => spacing * gauss(1, 0.3, 0.2, 2, 2);
for (const cellId of scoredCellIds) {
const [x, y] = cells.p[cellId];
// randomize min spacing a bit to make placement not that uniform
const currentSpacing = randomizeScaping(spacing);
if (townsQuadtree.find(x, y, currentSpacing) === undefined) {
townCells.push(cellId);
townsQuadtree.add([x, y]);
if (townCells.length === townsNumber) return townCells;
}
}
WARN && console.warn("Cannot place towns, trying again with reduced spacing");
return attemptToPlaceTowns(spacing / 2);
}
// initial min distance between towns, reduced by 2 each iteration if not enough space
const initialSpacing = (graphWidth + graphHeight) / 150 / (townsNumber ** 0.7 / 66);
return attemptToPlaceTowns(initialSpacing);
}

90
src/scripts/generation/pack/burgsAndStates/expandStates.ts Normal file
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@ -0,0 +1,90 @@
import {TIME} from "config/logging";
import FlatQueue from "flatqueue";
import {minmax} from "utils/numberUtils";
// growth algorithm to assign cells to states
export function expandStates() {
TIME && console.time("expandStates");
const {cells, states, cultures, burgs} = pack;
cells.state = new Uint16Array(cells.i.length);
const queue = new FlatQueue();
const cost = [];
const neutral = (cells.i.length / 5000) * 2500 * neutralInput.value * statesNeutral; // limit cost for state growth
states
.filter(s => s.i && !s.removed)
.forEach(state => {
const capitalCell = burgs[state.capital].cell;
cells.state[capitalCell] = state.i;
const cultureCenter = cultures[state.culture].center;
const biome = cells.biome[cultureCenter]; // state native biome
queue.push({cellId: state.center, stateId: state.i, b: biome}, 0);
cost[state.center] = 1;
});
while (queue.length) {
const priority = queue.peekValue();
const {cellId, stateId, biome} = queue.pop();
const {type, culture} = states[stateId];
cells.c[cellId].forEach(neibCellId => {
if (cells.state[neibCellId] && neibCellId === states[cells.state[neibCellId]].center) return; // do not overwrite capital cells
const cultureCost = culture === cells.culture[neibCellId] ? -9 : 100;
const populationCost =
cells.h[neibCellId] < 20 ? 0 : cells.s[neibCellId] ? Math.max(20 - cells.s[neibCellId], 0) : 5000;
const biomeCost = getBiomeCost(biome, cells.biome[neibCellId], type);
const heightCost = getHeightCost(pack.features[cells.f[neibCellId]], cells.h[neibCellId], type);
const riverCost = getRiverCost(cells.r[neibCellId], neibCellId, type);
const typeCost = getTypeCost(cells.t[neibCellId], type);
const cellCost = Math.max(cultureCost + populationCost + biomeCost + heightCost + riverCost + typeCost, 0);
const totalCost = priority + 10 + cellCost / states[stateId].expansionism;
if (totalCost > neutral) return;
if (!cost[neibCellId] || totalCost < cost[neibCellId]) {
if (cells.h[neibCellId] >= 20) cells.state[neibCellId] = stateId; // assign state to cell
cost[neibCellId] = totalCost;
queue.push({cellId: neibCellId, stateId, biome}, totalCost);
}
});
}
burgs.filter(b => b.i && !b.removed).forEach(b => (b.state = cells.state[b.cell])); // assign state to burgs
function getBiomeCost(b, biome, type) {
if (b === biome) return 10; // tiny penalty for native biome
if (type === "Hunting") return biomesData.cost[biome] * 2; // non-native biome penalty for hunters
if (type === "Nomadic" && biome > 4 && biome < 10) return biomesData.cost[biome] * 3; // forest biome penalty for nomads
return biomesData.cost[biome]; // general non-native biome penalty
}
function getHeightCost(f, h, type) {
if (type === "Lake" && f.type === "lake") return 10; // low lake crossing penalty for Lake cultures
if (type === "Naval" && h < 20) return 300; // low sea crossing penalty for Navals
if (type === "Nomadic" && h < 20) return 10000; // giant sea crossing penalty for Nomads
if (h < 20) return 1000; // general sea crossing penalty
if (type === "Highland" && h < 62) return 1100; // penalty for highlanders on lowlands
if (type === "Highland") return 0; // no penalty for highlanders on highlands
if (h >= 67) return 2200; // general mountains crossing penalty
if (h >= 44) return 300; // general hills crossing penalty
return 0;
}
function getRiverCost(r, i, type) {
if (type === "River") return r ? 0 : 100; // penalty for river cultures
if (!r) return 0; // no penalty for others if there is no river
return minmax(cells.fl[i] / 10, 20, 100); // river penalty from 20 to 100 based on flux
}
function getTypeCost(t, type) {
if (t === 1) return type === "Naval" || type === "Lake" ? 0 : type === "Nomadic" ? 60 : 20; // penalty for coastline
if (t === 2) return type === "Naval" || type === "Nomadic" ? 30 : 0; // low penalty for land level 2 for Navals and nomads
if (t !== -1) return type === "Naval" || type === "Lake" ? 100 : 0; // penalty for mainland for navals
return 0;
}
TIME && console.timeEnd("expandStates");
}

66
src/scripts/generation/pack/burgsAndStates/generateBurgsAndStates.ts Normal file
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@ -0,0 +1,66 @@
import {WARN} from "config/logging";
import {getInputNumber} from "utils/nodeUtils";
import {NEUTRALS, NO_BURG} from "./config";
import {createCapitals} from "./createCapitals";
import {createStates} from "./createStates";
import {createTowns} from "./createTowns";
import {expandStates} from "./expandStates";
import {specifyBurgs} from "./specifyBurgs";
export function generateBurgsAndStates(
cells: Pick<
IPack["cells"],
"v" | "p" | "i" | "g" | "h" | "f" | "haven" | "harbor" | "r" | "fl" | "biome" | "s" | "culture"
>,
vertices: IGraphVertices,
cultures: TCultures,
features: TPackFeatures,
temp: Int8Array,
rivers: Omit<IRiver, "name" | "basin" | "type">[]
) {
const cellsNumber = cells.i.length;
const burgIds = new Uint16Array(cellsNumber);
const scoredCellIds = getScoredCellIds();
const statesNumber = getStatesNumber(scoredCellIds.length);
if (statesNumber === 0) return {burgIds, burgs: [NO_BURG], states: [NEUTRALS]};
const capitals = createCapitals(statesNumber, scoredCellIds, burgIds);
const states = createStates(capitals, cultures);
const towns = createTowns(scoredCellIds, burgIds);
expandStates();
// normalizeStates();
const roadScores = new Uint16Array(cellsNumber); // TODO: define roads
const burgs = specifyBurgs(capitals, towns, roadScores);
return {burgIds, states, burgs};
function getScoredCellIds() {
// cell score for capitals placement
const score = new Int16Array(cells.s.map(s => s * Math.random()));
// filtered and sorted array of indexes
const sorted = cells.i.filter(i => score[i] > 0 && cells.culture[i]).sort((a, b) => score[b] - score[a]);
return sorted;
}
function getStatesNumber(populatedCells: number) {
const requestedStatesNumber = getInputNumber("regionsOutput");
if (populatedCells < requestedStatesNumber * 10) {
const maxAllowed = Math.floor(populatedCells / 10);
if (maxAllowed === 0) {
WARN && console.warn("There is no populated cells. Cannot generate states");
return 0;
}
WARN && console.warn(`Not enough populated cells (${populatedCells}). Will generate only ${maxAllowed} states`);
return maxAllowed;
}
return requestedStatesNumber;
}
}

126
src/scripts/generation/pack/burgsAndStates/specifyBurgs.ts Normal file
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@ -0,0 +1,126 @@
import {ELEVATION, NOMADIC_BIOMES, HUNTING_BIOMES} from "config/generation";
import {TIME} from "config/logging";
import {getCommonEdgePoint} from "utils/lineUtils";
import {rn} from "utils/numberUtils";
import {gauss, P} from "utils/probabilityUtils";
import {NO_BURG} from "./config";
import type {createCapitals} from "./createCapitals";
import type {createTowns} from "./createTowns";
const {COA} = window;
type TCapitals = ReturnType<typeof createCapitals>;
type TTowns = ReturnType<typeof createTowns>;
export function specifyBurgs(capitals: TCapitals, towns: TTowns, roadScores: Uint16Array): TBurgs {
TIME && console.time("specifyBurgs");
const burgs = [...capitals, ...towns].map(burgData => {
const {cell, culture, capital, state} = burgData;
const port = definePort(cell, capital);
const population = definePopulation(cell, capital, port);
const [x, y] = defineLocation(cell, port);
const type = defineType(cell, port, population);
const coa = defineEmblem(state, culture, port, capital, type);
return {...burgData, port, population, x, y, type, coa};
});
TIME && console.timeEnd("specifyBurgs");
return [NO_BURG, ...burgs];
function definePort(cellId: number, capital: Logical) {
if (!cells.haven[cellId]) return 0; // must be a coastal cell
if (temp[cells.g[cellId]] <= 0) return 0; // temperature must be above zero °C
const havenCellId = cells.haven[cellId];
const havenFeatureId = cells.f[havenCellId];
const feature = features[havenFeatureId] as IPackFeatureOcean | IPackFeatureLake;
if (feature.cells < 2) return 0; // water body must have at least 2 cells
const isSafeHarbor = cells.harbor[cellId] === 1;
if (!capital && !isSafeHarbor) return 0; // must be a capital or safe harbor
return havenFeatureId;
}
// get population in points, where 1 point = 1000 people by default
function definePopulation(cellId: number, capital: Logical, port: number) {
const basePopulation = (cells.s[cellId] + roadScores[cellId] / 2) / 4;
const decimalPart = (cellId % 1000) / 1000;
const capitalMultiplier = capital ? 1.3 : 1;
const portMultiplier = port ? 1.3 : 1;
const randomMultiplier = gauss(1, 1.5, 0.3, 10, 3);
const total = (basePopulation + decimalPart) * capitalMultiplier * portMultiplier * randomMultiplier;
return rn(Math.max(0.1, total), 3);
}
function defineLocation(cellId: number, port: number) {
const [cellX, cellY] = cells.p[cellId];
if (port) {
// place ports on the coast
const [x, y] = getCommonEdgePoint(cells.v, vertices, cellId, cells.haven[cellId]);
return [rn(x, 2), rn(y, 2)];
}
if (cells.r[cellId]) {
// place river burgs a bit off of the cell center
const offset = Math.min(cells.fl[cellId] / 150, 1);
const x = cellId % 2 ? cellX + offset : cellX - offset;
const y = cells.r[cellId] % 2 ? cellY + offset : cellY - offset;
return [rn(x, 2), rn(y, 2)];
}
return [cellX, cellY];
}
function defineType(cellId: number, port: number, population: number): TCultureType {
if (port) return "Naval";
const haven = cells.haven[cellId];
const waterBody = features[cells.f[haven]];
if (haven && (waterBody as TPackFeature).type === "lake") return "Lake";
if (cells.h[cellId] > ELEVATION.FOOTHILLS) return "Highland";
if (cells.r[cellId] && rivers[cellId].length > 100) return "River";
if (population < 6) {
const biome = cells.biome[cellId];
if (population < 5 && NOMADIC_BIOMES.includes(biome)) return "Nomadic";
if (HUNTING_BIOMES.includes(biome)) return "Hunting";
}
return "Generic";
}
function defineEmblem(stateId: number, cultureId: number, port: number, capital: Logical, type: TCultureType) {
const coaType = capital && P(0.2) ? "Capital" : type === "Generic" ? "City" : type;
if (stateId === 0) {
const baseCoa = COA.generate(null, 0, null, coaType);
const shield = COA.getShield(cultureId, stateId);
return {...baseCoa, shield};
}
const {culture: stateCultureId, coa: stateCOA} = states[stateId] as IState;
const kinship = defineKinshipToStateEmblem();
const baseCoa = COA.generate(stateCOA, kinship, null, coaType);
const shield = COA.getShield(cultureId, stateId);
return {...baseCoa, shield};
function defineKinshipToStateEmblem() {
const baseKinship = 0.25;
const capitalModifier = capital ? 0.1 : 0;
const portModifier = port ? -0.1 : 0;
const cultureModifier = cultureId === stateCultureId ? 0 : -0.25;
return baseKinship + capitalModifier + portModifier + cultureModifier;
}
}
}

7
src/scripts/generation/pack/pack.ts
View file

@ -11,7 +11,7 @@ import {pick} from "utils/functionUtils";
import {rn} from "utils/numberUtils"; import {rn} from "utils/numberUtils";
import {generateCultures, expandCultures} from "./cultures"; import {generateCultures, expandCultures} from "./cultures";
import {generateRivers} from "./rivers"; import {generateRivers} from "./rivers";
import {generateBurgsAndStates} from "./burgsAndStates"; import {generateBurgsAndStates} from "./burgsAndStates/generateBurgsAndStates";
const {LAND_COAST, WATER_COAST, DEEPER_WATER} = DISTANCE_FIELD; const {LAND_COAST, WATER_COAST, DEEPER_WATER} = DISTANCE_FIELD;
const {Biomes} = window; const {Biomes} = window;
@ -98,18 +98,21 @@ export function createPack(grid: IGrid): IPack {
const {burgIds, states, burgs} = generateBurgsAndStates( const {burgIds, states, burgs} = generateBurgsAndStates(
{ {
...pick(cells, "v", "p", "i", "g"), ...pick(cells, "v", "p", "i", "g"),
h: heights,
f: featureIds, f: featureIds,
haven, haven,
harbor, harbor,
r: riverIds, r: riverIds,
fl: flux, fl: flux,
biome,
s: suitability, s: suitability,
culture: cultureIds culture: cultureIds
}, },
vertices, vertices,
cultures, cultures,
mergedFeatures, mergedFeatures,
temp temp,
rawRivers
); );
// Religions.generate(); // Religions.generate();

1
src/types/pack/burgs.d.ts vendored
View file

@ -5,6 +5,7 @@ interface IBurg {
x: number; x: number;
y: number; y: number;
population: number; population: number;
type: TCultureType;
capital: Logical; // 1 - capital, 0 - burg capital: Logical; // 1 - capital, 0 - burg
port: number; // port feature id, 0 - not a port port: number; // port feature id, 0 - not a port
shanty?: number; shanty?: number;

1
src/types/pack/features.d.ts vendored
View file

@ -6,7 +6,6 @@ interface IPackFeatureBase {
vertices: number[]; // indexes of perimetric vertices vertices: number[]; // indexes of perimetric vertices
area: number; // area of the feature perimetric polygon area: number; // area of the feature perimetric polygon
} }
3;
interface IPackFeatureOcean extends IPackFeatureBase { interface IPackFeatureOcean extends IPackFeatureBase {
land: false; land: false;

11
src/types/pack/states.d.ts vendored
View file

@ -1,8 +1,10 @@
interface IState { interface IState {
i: number; i: number;
name: string; name: string;
culture: number;
fullName: string; fullName: string;
removed?: boolean; removed?: boolean;
coa: ICoa | string;
} }
type TNeutrals = { type TNeutrals = {
@ -11,3 +13,12 @@ type TNeutrals = {
}; };
type TStates = [TNeutrals, ...IState[]]; type TStates = [TNeutrals, ...IState[]];
interface ICoa {
t1: string;
division: {};
ordinaries: {}[];
charges: {}[];
shield: "heater";
t1: "purpure";
}