Fantasy-Map-Generator/modules/io/export.js
2025-09-02 14:10:23 +01:00

1308 lines
40 KiB
JavaScript

"use strict";
// Functions to export map to image or data files
async function exportToSvg() {
TIME && console.time("exportToSvg");
const url = await getMapURL("svg", {fullMap: true});
const link = document.createElement("a");
link.download = getFileName() + ".svg";
link.href = url;
link.click();
const message = `${link.download} is saved. Open 'Downloads' screen (ctrl + J) to check`;
tip(message, true, "success", 5000);
TIME && console.timeEnd("exportToSvg");
}
async function exportToPng() {
TIME && console.time("exportToPng");
const url = await getMapURL("png");
const link = document.createElement("a");
const canvas = document.createElement("canvas");
const ctx = canvas.getContext("2d");
canvas.width = svgWidth * pngResolutionInput.value;
canvas.height = svgHeight * pngResolutionInput.value;
const img = new Image();
img.src = url;
img.onload = function () {
ctx.drawImage(img, 0, 0, canvas.width, canvas.height);
link.download = getFileName() + ".png";
canvas.toBlob(function (blob) {
link.href = window.URL.createObjectURL(blob);
link.click();
window.setTimeout(function () {
canvas.remove();
window.URL.revokeObjectURL(link.href);
const message = `${link.download} is saved. Open 'Downloads' screen (ctrl + J) to check. You can set image scale in options`;
tip(message, true, "success", 5000);
}, 1000);
});
};
TIME && console.timeEnd("exportToPng");
}
async function exportToJpeg() {
TIME && console.time("exportToJpeg");
const url = await getMapURL("png");
const canvas = document.createElement("canvas");
canvas.width = svgWidth * pngResolutionInput.value;
canvas.height = svgHeight * pngResolutionInput.value;
const img = new Image();
img.src = url;
img.onload = async function () {
canvas.getContext("2d").drawImage(img, 0, 0, canvas.width, canvas.height);
const quality = Math.min(rn(1 - pngResolutionInput.value / 20, 2), 0.92);
const URL = await canvas.toDataURL("image/jpeg", quality);
const link = document.createElement("a");
link.download = getFileName() + ".jpeg";
link.href = URL;
link.click();
tip(`${link.download} is saved. Open "Downloads" screen (CTRL + J) to check`, true, "success", 7000);
window.setTimeout(() => window.URL.revokeObjectURL(URL), 5000);
};
TIME && console.timeEnd("exportToJpeg");
}
async function exportToPngTiles() {
const status = byId("tileStatus");
status.innerHTML = "Preparing files...";
const urlSchema = await getMapURL("tiles", {debug: true, fullMap: true});
await import("../../libs/jszip.min.js");
const zip = new window.JSZip();
const canvas = document.createElement("canvas");
const ctx = canvas.getContext("2d");
canvas.width = graphWidth;
canvas.height = graphHeight;
const imgSchema = new Image();
imgSchema.src = urlSchema;
await loadImage(imgSchema);
status.innerHTML = "Rendering schema...";
ctx.drawImage(imgSchema, 0, 0, canvas.width, canvas.height);
const blob = await canvasToBlob(canvas, "image/png");
ctx.clearRect(0, 0, canvas.width, canvas.height);
zip.file("schema.png", blob);
// download tiles
const url = await getMapURL("tiles", {fullMap: true});
const tilesX = +byId("tileColsOutput").value || 2;
const tilesY = +byId("tileRowsOutput").value || 2;
const scale = +byId("tileScaleOutput").value || 1;
const tolesTotal = tilesX * tilesY;
const tileW = (graphWidth / tilesX) | 0;
const tileH = (graphHeight / tilesY) | 0;
const width = graphWidth * scale;
const height = width * (tileH / tileW);
canvas.width = width;
canvas.height = height;
const img = new Image();
img.src = url;
await loadImage(img);
const alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
function getRowLabel(row) {
const first = row >= alphabet.length ? alphabet[Math.floor(row / alphabet.length) - 1] : "";
const last = alphabet[row % alphabet.length];
return first + last;
}
for (let y = 0, row = 0, id = 1; y + tileH <= graphHeight; y += tileH, row++) {
const rowName = getRowLabel(row);
for (let x = 0, cell = 1; x + tileW <= graphWidth; x += tileW, cell++, id++) {
status.innerHTML = `Rendering tile ${rowName}${cell} (${id} of ${tolesTotal})...`;
ctx.drawImage(img, x, y, tileW, tileH, 0, 0, width, height);
const blob = await canvasToBlob(canvas, "image/png");
ctx.clearRect(0, 0, canvas.width, canvas.height);
zip.file(`${rowName}${cell}.png`, blob);
}
}
status.innerHTML = "Zipping files...";
zip.generateAsync({type: "blob"}).then(blob => {
status.innerHTML = "Downloading the archive...";
const link = document.createElement("a");
link.href = URL.createObjectURL(blob);
link.download = getFileName() + ".zip";
link.click();
link.remove();
status.innerHTML = 'Done. Check .zip file in "Downloads" (crtl + J)';
setTimeout(() => URL.revokeObjectURL(link.href), 5000);
});
// promisified img.onload
function loadImage(img) {
return new Promise((resolve, reject) => {
img.onload = () => resolve();
img.onerror = err => reject(err);
});
}
// promisified canvas.toBlob
function canvasToBlob(canvas, mimeType, qualityArgument = 1) {
return new Promise((resolve, reject) => {
canvas.toBlob(
blob => {
if (blob) resolve(blob);
else reject(new Error("Canvas toBlob() error"));
},
mimeType,
qualityArgument
);
});
}
}
// parse map svg to object url
async function getMapURL(type, options) {
const {
debug = false,
noLabels = false,
noWater = false,
noScaleBar = false,
noIce = false,
noVignette = false,
fullMap = false
} = options || {};
const cloneEl = byId("map").cloneNode(true); // clone svg
cloneEl.id = "fantasyMap";
document.body.appendChild(cloneEl);
const clone = d3.select(cloneEl);
if (!debug) clone.select("#debug")?.remove();
const cloneDefs = cloneEl.getElementsByTagName("defs")[0];
const svgDefs = byId("defElements");
const isFirefox = navigator.userAgent.toLowerCase().indexOf("firefox") > -1;
if (isFirefox && type === "mesh") clone.select("#oceanPattern")?.remove();
if (noLabels) {
clone.select("#labels #states")?.remove();
clone.select("#labels #burgLabels")?.remove();
clone.select("#icons #burgIcons")?.remove();
}
if (noWater) {
clone.select("#oceanBase").attr("opacity", 0);
clone.select("#oceanPattern").attr("opacity", 0);
}
if (noIce) clone.select("#ice")?.remove();
if (noVignette) clone.select("#vignette")?.remove();
if (fullMap) {
// reset transform to show the whole map
clone.attr("width", graphWidth).attr("height", graphHeight);
clone.select("#viewbox").attr("transform", null);
if (!noScaleBar) {
drawScaleBar(clone.select("#scaleBar"), 1);
fitScaleBar(clone.select("#scaleBar"), graphWidth, graphHeight);
}
}
if (noScaleBar) clone.select("#scaleBar")?.remove();
if (type === "svg") removeUnusedElements(clone);
if (customization && type === "mesh") updateMeshCells(clone);
inlineStyle(clone);
// remove unused filters
const filters = cloneEl.querySelectorAll("filter");
for (let i = 0; i < filters.length; i++) {
const id = filters[i].id;
if (cloneEl.querySelector("[filter='url(#" + id + ")']")) continue;
if (cloneEl.getAttribute("filter") === "url(#" + id + ")") continue;
filters[i].remove();
}
// remove unused patterns
const patterns = cloneEl.querySelectorAll("pattern");
for (let i = 0; i < patterns.length; i++) {
const id = patterns[i].id;
if (cloneEl.querySelector("[fill='url(#" + id + ")']")) continue;
patterns[i].remove();
}
// remove unused symbols
const symbols = cloneEl.querySelectorAll("symbol");
for (let i = 0; i < symbols.length; i++) {
const id = symbols[i].id;
if (cloneEl.querySelector("use[*|href='#" + id + "']")) continue;
symbols[i].remove();
}
// add displayed emblems
if (layerIsOn("toggleEmblems") && emblems.selectAll("use").size()) {
cloneEl
.getElementById("emblems")
?.querySelectorAll("use")
.forEach(el => {
const href = el.getAttribute("href") || el.getAttribute("xlink:href");
if (!href) return;
const emblem = byId(href.slice(1));
if (emblem) cloneDefs.append(emblem.cloneNode(true));
});
} else {
cloneDefs.querySelector("#defs-emblems")?.remove();
}
{
// replace ocean pattern href to base64
const image = cloneEl.getElementById("oceanicPattern");
const href = image?.getAttribute("href");
if (href) {
await new Promise(resolve => {
getBase64(href, base64 => {
image.setAttribute("href", base64);
resolve();
});
});
}
}
{
// replace texture href to base64
const image = cloneEl.querySelector("#texture > image");
const href = image?.getAttribute("href");
if (href) {
await new Promise(resolve => {
getBase64(href, base64 => {
image.setAttribute("href", base64);
resolve();
});
});
}
}
// add relief icons
if (cloneEl.getElementById("terrain")) {
const uniqueElements = new Set();
const terrainNodes = cloneEl.getElementById("terrain").childNodes;
for (let i = 0; i < terrainNodes.length; i++) {
const href = terrainNodes[i].getAttribute("href") || terrainNodes[i].getAttribute("xlink:href");
uniqueElements.add(href);
}
const defsRelief = svgDefs.getElementById("defs-relief");
for (const terrain of [...uniqueElements]) {
const element = defsRelief.querySelector(terrain);
if (element) cloneDefs.appendChild(element.cloneNode(true));
}
}
// add wind rose
if (cloneEl.getElementById("compass")) {
const rose = svgDefs.getElementById("defs-compass-rose");
if (rose) cloneDefs.appendChild(rose.cloneNode(true));
}
// add port icon
if (cloneEl.getElementById("anchors")) {
const anchor = svgDefs.getElementById("icon-anchor");
if (anchor) cloneDefs.appendChild(anchor.cloneNode(true));
}
// add grid pattern
if (cloneEl.getElementById("gridOverlay")?.hasChildNodes()) {
const type = cloneEl.getElementById("gridOverlay").getAttribute("type");
const pattern = svgDefs.getElementById("pattern_" + type);
if (pattern) cloneDefs.appendChild(pattern.cloneNode(true));
}
{
// replace external marker icons
const externalMarkerImages = cloneEl.querySelectorAll('#markers image[href]:not([href=""])');
const imageHrefs = Array.from(externalMarkerImages).map(img => img.getAttribute("href"));
for (const url of imageHrefs) {
await new Promise(resolve => {
getBase64(url, base64 => {
externalMarkerImages.forEach(img => {
if (img.getAttribute("href") === url) img.setAttribute("href", base64);
});
resolve();
});
});
}
}
{
// replace external regiment icons
const externalRegimentImages = cloneEl.querySelectorAll('#armies image[href]:not([href=""])');
const imageHrefs = Array.from(externalRegimentImages).map(img => img.getAttribute("href"));
for (const url of imageHrefs) {
await new Promise(resolve => {
getBase64(url, base64 => {
externalRegimentImages.forEach(img => {
if (img.getAttribute("href") === url) img.setAttribute("href", base64);
});
resolve();
});
});
}
}
if (!cloneEl.getElementById("fogging-cont")) cloneEl.getElementById("fog")?.remove(); // remove unused fog
if (!cloneEl.getElementById("regions")) cloneEl.getElementById("statePaths")?.remove(); // removed unused statePaths
if (!cloneEl.getElementById("labels")) cloneEl.getElementById("textPaths")?.remove(); // removed unused textPaths
// add armies style
if (cloneEl.getElementById("armies")) {
cloneEl.insertAdjacentHTML(
"afterbegin",
"<style>#armies text {stroke: none; fill: #fff; text-shadow: 0 0 4px #000; dominant-baseline: central; text-anchor: middle; font-family: Helvetica; fill-opacity: 1;}#armies text.regimentIcon {font-size: .8em;}</style>"
);
}
// add xlink: for href to support svg 1.1
if (type === "svg") {
cloneEl.querySelectorAll("[href]").forEach(el => {
const href = el.getAttribute("href");
el.removeAttribute("href");
el.setAttribute("xlink:href", href);
});
}
// add hatchings
const hatchingUsers = cloneEl.querySelectorAll(`[fill^='url(#hatch']`);
const hatchingFills = unique(Array.from(hatchingUsers).map(el => el.getAttribute("fill")));
const hatchingIds = hatchingFills.map(fill => fill.slice(5, -1));
for (const hatchingId of hatchingIds) {
const hatching = svgDefs.getElementById(hatchingId);
if (hatching) cloneDefs.appendChild(hatching.cloneNode(true));
}
// load fonts
const usedFonts = getUsedFonts(cloneEl);
const fontsToLoad = usedFonts.filter(font => font.src);
if (fontsToLoad.length) {
const dataURLfonts = await loadFontsAsDataURI(fontsToLoad);
const fontFaces = dataURLfonts
.map(({family, src, unicodeRange = "", variant = "normal"}) => {
return `@font-face {font-family: "${family}"; src: ${src}; unicode-range: ${unicodeRange}; font-variant: ${variant};}`;
})
.join("\n");
const style = document.createElement("style");
style.setAttribute("type", "text/css");
style.innerHTML = fontFaces;
cloneEl.querySelector("defs").appendChild(style);
}
clone.remove();
const serialized =
`<?xml version="1.0" encoding="UTF-8" standalone="no"?>` + new XMLSerializer().serializeToString(cloneEl);
const blob = new Blob([serialized], {type: "image/svg+xml;charset=utf-8"});
const url = window.URL.createObjectURL(blob);
window.setTimeout(() => window.URL.revokeObjectURL(url), 5000);
return url;
}
// remove hidden g elements and g elements without children to make downloaded svg smaller in size
function removeUnusedElements(clone) {
if (!terrain.selectAll("use").size()) clone.select("#defs-relief")?.remove();
for (let empty = 1; empty; ) {
empty = 0;
clone.selectAll("g").each(function () {
if (!this.hasChildNodes() || this.style.display === "none" || this.classList.contains("hidden")) {
empty++;
this.remove();
}
if (this.hasAttribute("display") && this.style.display === "inline") this.removeAttribute("display");
});
}
}
function updateMeshCells(clone) {
const data = renderOcean.checked ? grid.cells.i : grid.cells.i.filter(i => grid.cells.h[i] >= 20);
const scheme = getColorScheme(terrs.select("#landHeights").attr("scheme"));
clone.select("#heights").attr("filter", "url(#blur1)");
clone
.select("#heights")
.selectAll("polygon")
.data(data)
.join("polygon")
.attr("points", d => getGridPolygon(d))
.attr("id", d => "cell" + d)
.attr("stroke", d => getColor(grid.cells.h[d], scheme));
}
// for each g element get inline style
function inlineStyle(clone) {
const emptyG = clone.append("g").node();
const defaultStyles = window.getComputedStyle(emptyG);
clone.selectAll("g, #ruler *, #scaleBar > text").each(function () {
const compStyle = window.getComputedStyle(this);
let style = "";
for (let i = 0; i < compStyle.length; i++) {
const key = compStyle[i];
const value = compStyle.getPropertyValue(key);
if (key === "cursor") continue; // cursor should be default
if (this.hasAttribute(key)) continue; // don't add style if there is the same attribute
if (value === defaultStyles.getPropertyValue(key)) continue;
style += key + ":" + value + ";";
}
for (const key in compStyle) {
const value = compStyle.getPropertyValue(key);
if (key === "cursor") continue; // cursor should be default
if (this.hasAttribute(key)) continue; // don't add style if there is the same attribute
if (value === defaultStyles.getPropertyValue(key)) continue;
style += key + ":" + value + ";";
}
if (style != "") this.setAttribute("style", style);
});
emptyG.remove();
}
// Helper function to get meters per pixel based on distance unit
function getMetersPerPixel() {
const unit = distanceUnitInput.value.toLowerCase();
switch(unit) {
case 'km':
return distanceScale * 1000;
case 'm':
case 'meter':
case 'meters':
return distanceScale;
case 'mi':
case 'mile':
case 'miles':
return distanceScale * 1609.344;
case 'yd':
case 'yard':
case 'yards':
return distanceScale * 0.9144;
case 'ft':
case 'foot':
case 'feet':
return distanceScale * 0.3048;
case 'league':
case 'leagues':
return distanceScale * 4828.032;
default:
console.warn(`Unknown distance unit: ${unit}, defaulting to km`);
return distanceScale * 1000;
}
}
// Convert from map pixel coordinates to fantasy world coordinates
// Using the exact same values as prepareMapData
function getFantasyCoordinates(x, y, decimals = 2) {
// Convert distanceScale to meters based on the unit
let pixelScaleInMeters;
const unit = distanceUnitInput.value.toLowerCase();
switch(unit) {
case 'km':
pixelScaleInMeters = distanceScale * 1000; // km to meters
break;
case 'm':
case 'meter':
case 'meters':
pixelScaleInMeters = distanceScale; // already in meters
break;
case 'mi':
case 'mile':
case 'miles':
pixelScaleInMeters = distanceScale * 1609.344; // miles to meters
break;
case 'yd':
case 'yard':
case 'yards':
pixelScaleInMeters = distanceScale * 0.9144; // yards to meters
break;
case 'ft':
case 'foot':
case 'feet':
pixelScaleInMeters = distanceScale * 0.3048; // feet to meters
break;
case 'league':
case 'leagues':
pixelScaleInMeters = distanceScale * 4828.032; // leagues (3 miles) to meters
break;
default:
// Default to km if unit is not recognized
console.warn(`Unknown distance unit: ${unit}, defaulting to km`);
pixelScaleInMeters = distanceScale * 1000;
}
// Convert pixel coordinates to world coordinates in meters
const worldX = x * pixelScaleInMeters;
const worldY = -y * pixelScaleInMeters; // Negative because Y increases downward in pixels
// Round to specified decimal places
const factor = Math.pow(10, decimals);
return [
Math.round(worldX * factor) / factor,
Math.round(worldY * factor) / factor
];
}
function buildGeoJsonCells() {
const {cells, vertices} = pack;
// Calculate meters per pixel based on unit
const metersPerPixel = getMetersPerPixel();
// Use the same global variables as prepareMapData
const json = {
type: "FeatureCollection",
features: [],
// Include metadata using the same sources as prepareMapData
metadata: {
generator: "Azgaar's Fantasy Map Generator",
version: VERSION,
mapName: mapName.value,
mapId: mapId,
seed: seed,
dimensions: {
width_px: graphWidth,
height_px: graphHeight
},
scale: {
distance: distanceScale,
unit: distanceUnitInput.value,
meters_per_pixel: metersPerPixel
},
units: {
distance: distanceUnitInput.value,
area: areaUnit.value,
height: heightUnit.value,
temperature: temperatureScale.value
},
bounds_meters: {
minX: 0,
maxX: graphWidth * metersPerPixel,
minY: -(graphHeight * metersPerPixel),
maxY: 0
},
settings: {
populationRate: populationRate,
urbanization: urbanization,
urbanDensity: urbanDensity,
growthRate: growthRate.value,
mapSize: mapSizeOutput.value,
latitude: latitudeOutput.value,
longitude: longitudeOutput.value,
precipitation: precOutput.value
},
crs: "Fantasy Map Cartesian (meters)",
exportedAt: new Date().toISOString()
}
};
const getPopulation = i => {
const [r, u] = getCellPopulation(i);
return rn(r + u);
};
const getHeight = i => parseInt(getFriendlyHeight([...cells.p[i]]));
function getCellCoordinates(cellVertices) {
const coordinates = cellVertices.map(vertex => {
const [x, y] = vertices.p[vertex];
return getFantasyCoordinates(x, y, 2);
});
return [[...coordinates, coordinates[0]]];
}
cells.i.forEach(i => {
const coordinates = getCellCoordinates(cells.v[i]);
const height = getHeight(i);
const biome = cells.biome[i];
const type = pack.features[cells.f[i]].type;
const population = getPopulation(i);
const state = cells.state[i];
const province = cells.province[i];
const culture = cells.culture[i];
const religion = cells.religion[i];
const neighbors = cells.c[i];
const properties = {id: i, height, biome, type, population, state, province, culture, religion, neighbors};
const feature = {type: "Feature", geometry: {type: "Polygon", coordinates}, properties};
json.features.push(feature);
});
return json;
}
function saveGeoJsonCells() {
const json = buildGeoJsonCells();
const fileName = getFileName("Cells") + ".geojson";
downloadFile(JSON.stringify(json), fileName, "application/json");
}
function buildGeoJsonRoutes() {
const metersPerPixel = getMetersPerPixel();
const features = pack.routes.map(({i, points, group, name = null, type, feature}) => {
const coordinates = points.map(([x, y]) => getFantasyCoordinates(x, y, 2));
return {
type: "Feature",
geometry: {type: "LineString", coordinates},
properties: {id: i, group, name, type, feature}
};
});
const json = {
type: "FeatureCollection",
features,
metadata: {
crs: "Fantasy Map Cartesian (meters)",
mapName: mapName.value,
scale: {
distance: distanceScale,
unit: distanceUnitInput.value,
meters_per_pixel: metersPerPixel
}
}
};
return json;
}
function saveGeoJsonRoutes() {
const json = buildGeoJsonRoutes();
const fileName = getFileName("Routes") + ".geojson";
downloadFile(JSON.stringify(json), fileName, "application/json");
}
function buildGeoJsonRivers() {
const metersPerPixel = getMetersPerPixel();
const features = pack.rivers.map(
({i, cells, points, source, mouth, parent, basin, widthFactor, sourceWidth, discharge, length, width, name, type}) => {
if (!cells || cells.length < 2) return;
const meanderedPoints = Rivers.addMeandering(cells, points);
const coordinates = meanderedPoints.map(([x, y]) => getFantasyCoordinates(x, y, 2));
return {
type: "Feature",
geometry: {type: "LineString", coordinates},
properties: {id: i, source, mouth, parent, basin, widthFactor, sourceWidth, discharge, length, width, name, type}
};
}
).filter(f => f); // Remove undefined entries
const json = {
type: "FeatureCollection",
features,
metadata: {
crs: "Fantasy Map Cartesian (meters)",
mapName: mapName.value,
scale: {
distance: distanceScale,
unit: distanceUnitInput.value,
meters_per_pixel: metersPerPixel
}
}
};
return json;
}
function saveGeoJsonRivers() {
const json = buildGeoJsonRivers();
const fileName = getFileName("Rivers") + ".geojson";
downloadFile(JSON.stringify(json), fileName, "application/json");
}
function buildGeoJsonMarkers() {
const metersPerPixel = getMetersPerPixel();
const features = pack.markers.map(marker => {
const {i, type, icon, x, y, size, fill, stroke} = marker;
const coordinates = getFantasyCoordinates(x, y, 2);
// Find the associated note if it exists
const note = notes.find(note => note.id === `marker${i}`);
const name = note ? note.name : "Unknown";
const properties = {
id: i,
type,
name,
icon,
x_px: x,
y_px: y,
size,
fill,
stroke,
...(note && {note: note.legend}) // Add note text if it exists
};
return {type: "Feature", geometry: {type: "Point", coordinates}, properties};
});
const json = {
type: "FeatureCollection",
features,
metadata: {
crs: "Fantasy Map Cartesian (meters)",
mapName: mapName.value,
scale: {
distance: distanceScale,
unit: distanceUnitInput.value,
meters_per_pixel: metersPerPixel
}
}
};
return json;
}
function saveGeoJsonMarkers() {
const json = buildGeoJsonMarkers();
const fileName = getFileName("Markers") + ".geojson";
downloadFile(JSON.stringify(json), fileName, "application/json");
}
function buildGeoJsonBurgs() {
const metersPerPixel = getMetersPerPixel();
const valid = pack.burgs.filter(b => b.i && !b.removed);
const features = valid.map(b => {
const coordinates = getFantasyCoordinates(b.x, b.y, 2);
const province = pack.cells.province[b.cell];
const temperature = grid.cells.temp[pack.cells.g[b.cell]];
// Calculate world coordinates same as CSV export
const xWorld = b.x * metersPerPixel;
const yWorld = -b.y * metersPerPixel;
return {
type: "Feature",
geometry: {type: "Point", coordinates},
properties: {
id: b.i,
name: b.name,
province: province ? pack.provinces[province].name : null,
provinceFull: province ? pack.provinces[province].fullName : null,
state: pack.states[b.state].name,
stateFull: pack.states[b.state].fullName,
culture: pack.cultures[b.culture].name,
religion: pack.religions[pack.cells.religion[b.cell]].name,
population: rn(b.population * populationRate * urbanization),
populationRaw: b.population,
xWorld: rn(xWorld, 2),
yWorld: rn(yWorld, 2),
xPixel: b.x,
yPixel: b.y,
elevation: parseInt(getHeight(pack.cells.h[b.cell])),
temperature: convertTemperature(temperature),
temperatureLikeness: getTemperatureLikeness(temperature),
capital: !!b.capital,
port: !!b.port,
citadel: !!b.citadel,
walls: !!b.walls,
plaza: !!b.plaza,
temple: !!b.temple,
shanty: !!b.shanty,
emblem: b.coa || null,
cell: b.cell
}
};
});
const json = {
type: "FeatureCollection",
features,
metadata: {
crs: "Fantasy Map Cartesian (meters)",
mapName: mapName.value,
scale: {
distance: distanceScale,
unit: distanceUnitInput.value,
meters_per_pixel: metersPerPixel
}
}
};
return json;
}
function saveGeoJsonBurgs() {
const json = buildGeoJsonBurgs();
const fileName = getFileName("Burgs") + ".geojson";
downloadFile(JSON.stringify(json), fileName, "application/json");
}
function buildGeoJsonRegiments() {
const metersPerPixel = getMetersPerPixel();
const allRegiments = [];
// Collect all regiments from all states
for (const s of pack.states) {
if (!s.i || s.removed || !s.military.length) continue;
for (const r of s.military) {
allRegiments.push({regiment: r, state: s});
}
}
const features = allRegiments.map(({regiment: r, state: s}) => {
const coordinates = getFantasyCoordinates(r.x, r.y, 2);
const baseCoordinates = getFantasyCoordinates(r.bx, r.by, 2);
// Calculate world coordinates same as CSV export
const xWorld = r.x * metersPerPixel;
const yWorld = -r.y * metersPerPixel;
const bxWorld = r.bx * metersPerPixel;
const byWorld = -r.by * metersPerPixel;
// Collect military unit data
const units = {};
options.military.forEach(u => {
units[u.name] = r.u[u.name] || 0;
});
return {
type: "Feature",
geometry: {type: "Point", coordinates},
properties: {
id: r.i,
name: r.name,
icon: r.icon,
state: s.name,
stateFull: s.fullName,
stateId: s.i,
units: units,
totalUnits: r.a,
xWorld: rn(xWorld, 2),
yWorld: rn(yWorld, 2),
xPixel: r.x,
yPixel: r.y,
baseXWorld: rn(bxWorld, 2),
baseYWorld: rn(byWorld, 2),
baseXPixel: r.bx,
baseYPixel: r.by,
baseCoordinates: baseCoordinates
}
};
});
const json = {
type: "FeatureCollection",
features,
metadata: {
crs: "Fantasy Map Cartesian (meters)",
mapName: mapName.value,
scale: {
distance: distanceScale,
unit: distanceUnitInput.value,
meters_per_pixel: metersPerPixel
},
military: {
unitTypes: options.military.map(u => u.name)
}
}
};
return json;
}
function saveGeoJsonRegiments() {
const json = buildGeoJsonRegiments();
const fileName = getFileName("Regiments") + ".geojson";
downloadFile(JSON.stringify(json), fileName, "application/json");
}
// Export heightmap as ESRI ASCII Grid (.asc) for QGIS
function saveAsciiGridHeightmap() {
if (!grid?.cells?.h || !grid.cellsX || !grid.cellsY) {
tip("Height grid is not available", false, "error");
return;
}
const ncols = grid.cellsX;
const nrows = grid.cellsY;
const metersPerPixel = getMetersPerPixel();
const cellsize = (graphWidth / ncols) * metersPerPixel; // meters per grid cell
// Lower-left origin in world meters matches other exports
const xllcorner = 0;
const yllcorner = -(graphHeight * metersPerPixel);
const NODATA = -9999;
// Convert FMG height (0..100, 20 sea level) to meters (signed)
const exp = +heightExponentInput.value;
function elevationInMeters(h) {
if (h >= 20) return Math.pow(h - 18, exp); // above sea level
if (h > 0) return ((h - 20) / h) * 50; // below sea level (negative)
return 0; // treat 0 as 0
}
let lines = [];
lines.push(`ncols ${ncols}`);
lines.push(`nrows ${nrows}`);
lines.push(`xllcorner ${xllcorner}`);
lines.push(`yllcorner ${yllcorner}`);
lines.push(`cellsize ${cellsize}`);
lines.push(`NODATA_value ${NODATA}`);
// ESRI ASCII expects rows from top (north) to bottom (south)
for (let row = 0; row < nrows; row++) {
const vals = new Array(ncols);
for (let col = 0; col < ncols; col++) {
const i = col + row * ncols;
const h = grid.cells.h[i];
const z = elevationInMeters(h);
vals[col] = Number.isFinite(z) ? rn(z, 2) : NODATA;
}
lines.push(vals.join(" "));
}
const content = lines.join("\n");
const fileName = getFileName("Heightmap") + ".asc";
downloadFile(content, fileName, "text/plain");
}
// Helpers to build MultiPolygons from cell sets
function getCellPolygonCoordinates(cellVertices) {
const {vertices} = pack;
const coordinates = cellVertices.map(vertex => {
const [x, y] = vertices.p[vertex];
return getFantasyCoordinates(x, y, 2);
});
// Close the ring
return [[...coordinates, coordinates[0]]];
}
function buildMultiPolygonFromCells(cellIds) {
const {cells} = pack;
const polygons = cellIds.map(i => getCellPolygonCoordinates(cells.v[i]));
// polygons is an array of [ [ ring ] ] — wrap for MultiPolygon
return polygons;
}
function aggregatePopulationByCells(cellIds) {
// Follow editor logic: population lives in burgs; rural is accounted for via small burgs only
// Return values in absolute people, matching CSV exports
let ruralK = 0; // thousands-equivalent for rural (as tracked in states)
let urbanK = 0; // thousands for urban from burgs
for (const i of cellIds) {
const burgId = pack.cells.burg[i];
if (!burgId) continue;
const k = pack.burgs[burgId].population; // in thousands
// Mirror states stats split: <= 0.1k as rural, otherwise urban
if (k > 0.1) urbanK += k; else ruralK += k;
}
const rural = Math.round(ruralK * populationRate);
const urban = Math.round(urbanK * 1000 * urbanization);
return {rural, urban, total: rural + urban};
}
function sumAreaByCells(cellIds) {
const sum = cellIds.reduce((acc, i) => acc + (pack.cells.area[i] || 0), 0);
return getArea(sum);
}
function getCellsFor(type, id) {
const {cells} = pack;
switch (type) {
case "state":
return cells.i.filter(i => cells.h[i] >= 20 && cells.state[i] === id);
case "province":
return cells.i.filter(i => cells.h[i] >= 20 && cells.province[i] === id);
case "culture":
return cells.i.filter(i => cells.h[i] >= 20 && cells.culture[i] === id);
case "religion":
return cells.i.filter(i => cells.h[i] >= 20 && cells.religion[i] === id);
default:
return [];
}
}
function buildGeoJsonCultures() {
const metersPerPixel = getMetersPerPixel();
const features = pack.cultures
.filter(c => c.i && !c.removed)
.map(c => {
const cellIds = getCellsFor("culture", c.i);
if (!cellIds.length) return null;
const geometry = {type: "MultiPolygon", coordinates: buildMultiPolygonFromCells(cellIds)};
const {total} = aggregatePopulationByCells(cellIds);
const area = sumAreaByCells(cellIds);
const namesbase = nameBases[c.base]?.name;
const origins = (c.origins || []).filter(o => o).map(o => pack.cultures[o]?.name).filter(Boolean);
const properties = {
id: c.i,
name: c.name,
color: c.color,
cells: cellIds.length,
expansionism: c.expansionism,
type: c.type,
area,
population: rn(total),
namesbase: namesbase || "",
emblemsShape: c.emblemsShape || "",
origins
};
return {type: "Feature", geometry, properties};
})
.filter(Boolean);
const json = {
type: "FeatureCollection",
features,
metadata: {
crs: "Fantasy Map Cartesian (meters)",
mapName: mapName.value,
scale: {
distance: distanceScale,
unit: distanceUnitInput.value,
meters_per_pixel: metersPerPixel
}
}
};
return json;
}
function saveGeoJsonCultures() {
const json = buildGeoJsonCultures();
const fileName = getFileName("Cultures") + ".geojson";
downloadFile(JSON.stringify(json), fileName, "application/json");
}
function buildGeoJsonReligions() {
const metersPerPixel = getMetersPerPixel();
const features = pack.religions
.filter(r => r.i && !r.removed)
.map(r => {
const cellIds = getCellsFor("religion", r.i);
if (!cellIds.length) return null;
const geometry = {type: "MultiPolygon", coordinates: buildMultiPolygonFromCells(cellIds)};
const {total} = aggregatePopulationByCells(cellIds);
const area = sumAreaByCells(cellIds);
const origins = (r.origins || []).filter(o => o).map(o => pack.religions[o]?.name).filter(Boolean);
const properties = {
id: r.i,
name: r.name,
color: r.color,
type: r.type,
form: r.form,
deity: r.deity || "",
area,
believers: rn(total),
origins,
potential: r.expansion,
expansionism: r.expansionism
};
return {type: "Feature", geometry, properties};
})
.filter(Boolean);
const json = {
type: "FeatureCollection",
features,
metadata: {
crs: "Fantasy Map Cartesian (meters)",
mapName: mapName.value,
scale: {
distance: distanceScale,
unit: distanceUnitInput.value,
meters_per_pixel: metersPerPixel
}
}
};
return json;
}
function saveGeoJsonReligions() {
const json = buildGeoJsonReligions();
const fileName = getFileName("Religions") + ".geojson";
downloadFile(JSON.stringify(json), fileName, "application/json");
}
function buildGeoJsonStates() {
const metersPerPixel = getMetersPerPixel();
const features = pack.states
.filter(s => s.i && !s.removed)
.map(s => {
const cellIds = getCellsFor("state", s.i);
if (!cellIds.length) return null;
const geometry = {type: "MultiPolygon", coordinates: buildMultiPolygonFromCells(cellIds)};
const {rural, urban, total} = aggregatePopulationByCells(cellIds);
const area = sumAreaByCells(cellIds);
const properties = {
id: s.i,
name: s.name,
fullName: s.fullName || "",
form: s.form || "",
color: s.color,
capital: s.capital || 0,
culture: s.culture,
type: s.type,
expansionism: s.expansionism,
cells: cellIds.length,
burgs: s.burgs || 0,
area,
totalPopulation: total,
ruralPopulation: rural,
urbanPopulation: urban
};
return {type: "Feature", geometry, properties};
})
.filter(Boolean);
const json = {
type: "FeatureCollection",
features,
metadata: {
crs: "Fantasy Map Cartesian (meters)",
mapName: mapName.value,
scale: {
distance: distanceScale,
unit: distanceUnitInput.value,
meters_per_pixel: metersPerPixel
}
}
};
return json;
}
function saveGeoJsonStates() {
const json = buildGeoJsonStates();
const fileName = getFileName("States") + ".geojson";
downloadFile(JSON.stringify(json), fileName, "application/json");
}
function buildGeoJsonProvinces() {
const metersPerPixel = getMetersPerPixel();
const features = pack.provinces
.filter(p => p.i && !p.removed)
.map(p => {
const cellIds = getCellsFor("province", p.i);
if (!cellIds.length) return null;
const geometry = {type: "MultiPolygon", coordinates: buildMultiPolygonFromCells(cellIds)};
const {rural, urban, total} = aggregatePopulationByCells(cellIds);
const area = sumAreaByCells(cellIds);
const properties = {
id: p.i,
name: p.name,
fullName: p.fullName || "",
form: p.form || "",
state: p.state,
color: p.color,
capital: p.burg || 0,
area,
totalPopulation: total,
ruralPopulation: rural,
urbanPopulation: urban,
burgs: (p.burgs && p.burgs.length) || 0
};
return {type: "Feature", geometry, properties};
})
.filter(Boolean);
const json = {
type: "FeatureCollection",
features,
metadata: {
crs: "Fantasy Map Cartesian (meters)",
mapName: mapName.value,
scale: {
distance: distanceScale,
unit: distanceUnitInput.value,
meters_per_pixel: metersPerPixel
}
}
};
return json;
}
function saveGeoJsonProvinces() {
const json = buildGeoJsonProvinces();
const fileName = getFileName("Provinces") + ".geojson";
downloadFile(JSON.stringify(json), fileName, "application/json");
}
function buildGeoJsonZones() {
const metersPerPixel = getMetersPerPixel();
const features = (pack.zones || [])
.map(z => {
if (!z || z.hidden) return null;
const cellIds = (z.cells || []).filter(i => pack.cells.h[i] >= 20);
if (!cellIds.length) return null;
const geometry = {type: "MultiPolygon", coordinates: buildMultiPolygonFromCells(cellIds)};
const {total} = aggregatePopulationByCells(cellIds);
const area = sumAreaByCells(cellIds);
const properties = {
id: z.i,
color: z.color,
description: z.name,
type: z.type,
cells: cellIds.length,
area,
population: rn(total)
};
return {type: "Feature", geometry, properties};
})
.filter(Boolean);
const json = {
type: "FeatureCollection",
features,
metadata: {
crs: "Fantasy Map Cartesian (meters)",
mapName: mapName.value,
scale: {
distance: distanceScale,
unit: distanceUnitInput.value,
meters_per_pixel: metersPerPixel
}
}
};
return json;
}
function saveGeoJsonZones() {
const json = buildGeoJsonZones();
const fileName = getFileName("Zones") + ".geojson";
downloadFile(JSON.stringify(json), fileName, "application/json");
}
// Convenience: export all GeoJSONs into a single ZIP
async function saveAllGeoJson() {
await import("../../libs/jszip.min.js");
const zip = new window.JSZip();
const files = [
{name: getFileName("Cells") + ".geojson", json: buildGeoJsonCells()},
{name: getFileName("Routes") + ".geojson", json: buildGeoJsonRoutes()},
{name: getFileName("Rivers") + ".geojson", json: buildGeoJsonRivers()},
{name: getFileName("Markers") + ".geojson", json: buildGeoJsonMarkers()},
{name: getFileName("Burgs") + ".geojson", json: buildGeoJsonBurgs()},
{name: getFileName("Regiments") + ".geojson", json: buildGeoJsonRegiments()},
{name: getFileName("States") + ".geojson", json: buildGeoJsonStates()},
{name: getFileName("Provinces") + ".geojson", json: buildGeoJsonProvinces()},
{name: getFileName("Cultures") + ".geojson", json: buildGeoJsonCultures()},
{name: getFileName("Religions") + ".geojson", json: buildGeoJsonReligions()},
{name: getFileName("Zones") + ".geojson", json: buildGeoJsonZones()}
];
for (const f of files) {
try {
zip.file(f.name, JSON.stringify(f.json));
} catch (e) {
console.error("Failed to add", f.name, e);
}
}
const blob = await zip.generateAsync({type: "blob"});
const link = document.createElement("a");
link.href = URL.createObjectURL(blob);
link.download = getFileName("GeoJSON") + ".zip";
link.click();
setTimeout(() => URL.revokeObjectURL(link.href), 5000);
}