mirror of
https://github.com/Azgaar/Fantasy-Map-Generator.git
synced 2025-12-16 17:31:24 +01:00
378 lines
17 KiB
JavaScript
378 lines
17 KiB
JavaScript
// Functions to save and load the map
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"use strict";
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// download map as SVG or PNG file
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function saveAsImage(type) {
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console.time("saveAsImage");
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// clone svg
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const cloneEl = document.getElementById("map").cloneNode(true);
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cloneEl.id = "fantasyMap";
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document.getElementsByTagName("body")[0].appendChild(cloneEl);
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const clone = d3.select("#fantasyMap");
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if (type === "svg") clone.select("#viewbox").attr("transform", null); // reset transform to show whole map
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if (layerIsOn("texture") && type === "png") clone.select("#texture").remove(); // no texture for png
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// for each g element get inline style
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const emptyG = clone.append("g").node();
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const defaultStyles = window.getComputedStyle(emptyG);
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clone.selectAll("g, #ruler > g > *, #scaleBar > text").each(function(d) {
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const compStyle = window.getComputedStyle(this);
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let style = "";
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for (let i=0; i < compStyle.length; i++) {
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const key = compStyle[i];
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const value = compStyle.getPropertyValue(key);
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// Firefox mask hack
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if (key === "mask-image" && value !== defaultStyles.getPropertyValue(key)) {
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style += "mask-image: url('#land');";
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continue;
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}
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if (key === "cursor") continue; // cursor should be default
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if (this.hasAttribute(key)) continue; // don't add style if there is the same attribute
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if (value === defaultStyles.getPropertyValue(key)) continue;
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style += key + ':' + value + ';';
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}
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if (style != "") this.setAttribute('style', style);
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});
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emptyG.remove();
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// load fonts as dataURI so they will be available in downloaded svg/png
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GFontToDataURI(getFontsToLoad()).then(cssRules => {
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clone.select("defs").append("style").text(cssRules.join('\n'));
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const svg_xml = (new XMLSerializer()).serializeToString(clone.node());
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clone.remove();
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const blob = new Blob([svg_xml], {type: 'image/svg+xml;charset=utf-8'});
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const url = window.URL.createObjectURL(blob);
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const link = document.createElement("a");
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link.target = "_blank";
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if (type === "png") {
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const canvas = document.createElement("canvas");
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const ctx = canvas.getContext("2d");
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canvas.width = svgWidth * pngResolutionInput.value;
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canvas.height = svgHeight * pngResolutionInput.value;
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const img = new Image();
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img.src = url;
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img.onload = function() {
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window.URL.revokeObjectURL(url);
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ctx.drawImage(img, 0, 0, canvas.width, canvas.height);
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link.download = "fantasy_map_" + Date.now() + ".png";
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canvas.toBlob(function(blob) {
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link.href = window.URL.createObjectURL(blob);
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document.body.appendChild(link);
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link.click();
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window.setTimeout(function() {
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canvas.remove();
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window.URL.revokeObjectURL(link.href);
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}, 1000);
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});
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}
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} else {
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link.download = "fantasy_map_" + Date.now() + ".svg";
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link.href = url;
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document.body.appendChild(link);
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link.click();
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}
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window.setTimeout(function() {window.URL.revokeObjectURL(url);}, 2000);
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console.timeEnd("saveAsImage");
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});
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}
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// get non-standard fonts used for labels to fetch them from web
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function getFontsToLoad() {
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const webSafe = ["Georgia", "Times+New+Roman", "Comic+Sans+MS", "Lucida+Sans+Unicode", "Courier+New", "Verdana", "Arial", "Impact"];
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const fontsInUse = []; // to store fonts currently in use
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labels.selectAll("g").each(function() {
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const font = this.dataset.font;
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if (!font) return;
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if (webSafe.includes(font)) return; // do not fetch web-safe fonts
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if (!fontsInUse.includes(font)) fontsInUse.push(font);
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});
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return "https://fonts.googleapis.com/css?family=" + fontsInUse.join("|");
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}
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// code from Kaiido's answer https://stackoverflow.com/questions/42402584/how-to-use-google-fonts-in-canvas-when-drawing-dom-objects-in-svg
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function GFontToDataURI(url) {
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return fetch(url) // first fecth the embed stylesheet page
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.then(resp => resp.text()) // we only need the text of it
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.then(text => {
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let s = document.createElement('style');
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s.innerHTML = text;
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document.head.appendChild(s);
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let styleSheet = Array.prototype.filter.call(
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document.styleSheets,
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sS => sS.ownerNode === s)[0];
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let FontRule = rule => {
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let src = rule.style.getPropertyValue('src');
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let url = src.split('url(')[1].split(')')[0];
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return {rule: rule, src: src, url: url.substring(url.length - 1, 1)};
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};
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let fontRules = [], fontProms = [];
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for (let r of styleSheet.cssRules) {
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let fR = FontRule(r);
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fontRules.push(fR);
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fontProms.push(
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fetch(fR.url) // fetch the actual font-file (.woff)
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.then(resp => resp.blob())
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.then(blob => {
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return new Promise(resolve => {
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let f = new FileReader();
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f.onload = e => resolve(f.result);
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f.readAsDataURL(blob);
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})
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})
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.then(dataURL => {
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return fR.rule.cssText.replace(fR.url, dataURL);
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})
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)
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}
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document.head.removeChild(s); // clean up
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return Promise.all(fontProms); // wait for all this has been done
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});
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}
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// Save in .map format
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function saveMap() {
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if (customization) {tip("Map cannot be saved when is in edit mode, please exit the mode and re-try", false, "error"); return;}
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console.time("saveMap");
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const date = new Date();
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const dateString = date.getFullYear() + "-" + (date.getMonth() + 1) + "-" + date.getDate();
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const license = "File can be loaded in azgaar.github.io/Fantasy-Map-Generator";
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const params = [version, license, dateString, seed, graphWidth, graphHeight].join("|");
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const options = [distanceUnit.value, distanceScale.value, areaUnit.value, heightUnit.value, heightExponent.value, temperatureScale.value,
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barSize.value, barLabel.value, barBackOpacity.value, barBackColor.value, barPosX.value, barPosY.value, populationRate.value, urbanization.value,
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equatorOutput.value, equidistanceOutput.value, temperatureEquatorOutput.value, temperaturePoleOutput.value, precOutput.value, JSON.stringify(winds)].join("|");
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const coords = JSON.stringify(mapCoordinates);
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const biomes = [biomesData.color, biomesData.habitability, biomesData.name].join("|");
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const notesData = JSON.stringify(notes);
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// set transform values to default
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svg.attr("width", graphWidth).attr("height", graphHeight);
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const transform = d3.zoomTransform(svg.node());
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viewbox.attr("transform", null);
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const svg_xml = (new XMLSerializer()).serializeToString(svg.node());
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const gridGeneral = JSON.stringify({spacing:grid.spacing, cellsX:grid.cellsX, cellsY:grid.cellsY, boundary:grid.boundary, points:grid.points, features:grid.features});
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const features = JSON.stringify(pack.features);
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const cultures = JSON.stringify(pack.cultures);
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const states = JSON.stringify(pack.states);
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const burgs = JSON.stringify(pack.burgs);
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const data = [params, options, coords, biomes, notesData, svg_xml,
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gridGeneral, grid.cells.h, grid.cells.prec, grid.cells.f, grid.cells.t, grid.cells.temp,
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features, cultures, states, burgs,
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pack.cells.biome, pack.cells.burg, pack.cells.conf, pack.cells.culture, pack.cells.fl,
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pack.cells.pop, pack.cells.r, pack.cells.road, pack.cells.s, pack.cells.state].join("\r\n");
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const dataBlob = new Blob([data], {type: "text/plain"});
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const dataURL = window.URL.createObjectURL(dataBlob);
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const link = document.createElement("a");
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link.download = "fantasy_map_" + Date.now() + ".map";
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link.href = dataURL;
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document.body.appendChild(link);
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link.click();
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// restore initial values
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svg.attr("width", svgWidth).attr("height", svgHeight);
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zoom.transform(svg, transform);
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window.setTimeout(function() {window.URL.revokeObjectURL(dataURL);}, 2000);
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console.timeEnd("saveMap");
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}
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function uploadFile(file, callback) {
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console.time("loadMap");
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const fileReader = new FileReader();
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fileReader.onload = function(fileLoadedEvent) {
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const dataLoaded = fileLoadedEvent.target.result;
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const data = dataLoaded.split("\r\n");
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const mapVersion = data[0].split("|")[0] || data[0];
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if (mapVersion === version) {parseLoadedData(data); return;}
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const archive = "<a href='https://github.com/Azgaar/Fantasy-Map-Generator/wiki/Changelog' target='_blank'>archived version</a>";
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const parsed = parseFloat(mapVersion);
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let message = "", load = false;
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if (isNaN(parsed) || data.length < 26 || !data[5]) {
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message = `The file you are trying to load is outdated or not a valid .map file.
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<br>Please try to open it using an ${archive}`;
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} else if (parsed < 0.7) {
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message = `The map version you are trying to load (${mapVersion}) is too old and cannot be updated to the current version.
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<br>Please keep using an ${archive}`;
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} else {
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load = true;
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message = `The map version (${mapVersion}) does not match the Generator version (${version}). The map will be auto-updated.
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<br>In case of issues please keep using an ${archive} of the Generator`;
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}
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alertMessage.innerHTML = message;
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$("#alert").dialog({title: "Version conflict", buttons: {
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OK: function() {$(this).dialog("close"); if (load) parseLoadedData(data);}
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}});
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};
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fileReader.readAsText(file, "UTF-8");
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if (callback) callback();
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}
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function parseLoadedData(data) {
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closeDialogs();
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void function parseParameters() {
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const params = data[0].split("|");
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if (params[3]) {seed = params[3]; optionsSeed.value = seed;}
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if (params[4]) graphWidth = +params[4];
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if (params[5]) graphHeight = +params[5];
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}()
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void function parseOptions() {
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const options = data[1].split("|");
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if (options[0]) distanceUnit.value = distanceUnitOutput.innerHTML = options[0];
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if (options[1]) distanceScale.value = distanceScaleSlider.value = options[1];
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if (options[2]) areaUnit.value = options[2];
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if (options[3]) heightUnit.value= options[3];
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if (options[4]) heightExponent.value = heightExponentSlider.value = options[4];
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if (options[5]) temperatureScale.value = options[5];
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if (options[6]) barSize.value = barSizeSlider.value = options[6];
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if (options[7] !== undefined) barLabel.value = options[7];
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if (options[8] !== undefined) barBackOpacity.value = options[8];
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if (options[9]) barBackColor.value = options[9];
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if (options[10]) barPosX.value = options[10];
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if (options[11]) barPosY.value = options[11];
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if (options[12]) populationRate.value = populationRateSlider.value = options[12];
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if (options[13]) urbanization.value = urbanizationSlider.value = options[13];
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if (options[14]) equatorInput.value = equatorOutput.value = options[14];
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if (options[15]) equidistanceInput.value = equidistanceOutput.value = options[15];
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if (options[16]) temperatureEquatorInput.value = temperatureEquatorOutput.value = options[16];
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if (options[17]) temperaturePoleInput.value = temperaturePoleOutput.value = options[17];
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if (options[18]) precInput.value = precOutput.value = options[18];
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if (options[19]) winds = JSON.parse(options[19]);
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}()
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void function parseConfiguration() {
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if (data[2]) mapCoordinates = JSON.parse(data[2]);
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if (data[4]) notes = JSON.parse(data[4]);
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const biomes = data[3].split("|");
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const name = biomes[2].split(",");
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if (name.length !== biomesData.name.length) {
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console.error("Biomes data is not correct and will not be loaded");
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return;
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}
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biomesData.color = biomes[0].split(",");
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biomesData.habitability = biomes[1].split(",").map(h => +h);
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biomesData.name = name;
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}()
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void function replaceSVG() {
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svg.remove();
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document.body.insertAdjacentHTML("afterbegin", data[5]);
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}()
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void function redefineElements() {
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svg = d3.select("#map");
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defs = svg.select("#deftemp");
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viewbox = svg.select("#viewbox");
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scaleBar = svg.select("#scaleBar");
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ocean = viewbox.select("#ocean");
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oceanLayers = ocean.select("#oceanLayers");
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oceanPattern = ocean.select("#oceanPattern");
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lakes = viewbox.select("#lakes");
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landmass = viewbox.select("#landmass");
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texture = viewbox.select("#texture");
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terrs = viewbox.select("#terrs");
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biomes = viewbox.select("#biomes");
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cells = viewbox.select("#cells");
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gridOverlay = viewbox.select("#gridOverlay");
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coordinates = viewbox.select("#coordinates");
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compass = viewbox.select("#compass");
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rivers = viewbox.select("#rivers");
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terrain = viewbox.select("#terrain");
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cults = viewbox.select("#cults");
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regions = viewbox.select("#regions");
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statesBody = regions.select("#statesBody");
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statesHalo = regions.select("#statesHalo");
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borders = viewbox.select("#borders");
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routes = viewbox.select("#routes");
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roads = routes.select("#roads");
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trails = routes.select("#trails");
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searoutes = routes.select("#searoutes");
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temperature = viewbox.select("#temperature");
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coastline = viewbox.select("#coastline");
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prec = viewbox.select("#prec");
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population = viewbox.select("#population");
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labels = viewbox.select("#labels");
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icons = viewbox.select("#icons");
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burgIcons = icons.select("#burgIcons");
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anchors = icons.select("#anchors");
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markers = viewbox.select("#markers");
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ruler = viewbox.select("#ruler");
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debug = viewbox.select("#debug");
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freshwater = lakes.select("#freshwater");
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salt = lakes.select("#salt");
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burgLabels = labels.select("#burgLabels");
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}()
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void function parseGridData() {
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grid = JSON.parse(data[6]);
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calculateVoronoi(grid, grid.points);
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grid.cells.h = Uint8Array.from(data[7].split(","));
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grid.cells.prec = Uint8Array.from(data[8].split(","));
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grid.cells.f = Uint16Array.from(data[9].split(","));
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grid.cells.t = Int8Array.from(data[10].split(","));
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grid.cells.temp = Int8Array.from(data[11].split(","));
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}()
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void function parsePackData() {
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pack = {};
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reGraph();
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reMarkFeatures();
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pack.features = JSON.parse(data[12]);
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pack.cultures = JSON.parse(data[13]);
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pack.states = JSON.parse(data[14]);
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pack.burgs = JSON.parse(data[15]);
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pack.cells.biome = Uint8Array.from(data[16].split(","));
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pack.cells.burg = Uint16Array.from(data[17].split(","));
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pack.cells.conf = Uint8Array.from(data[18].split(","));
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pack.cells.culture = Uint8Array.from(data[19].split(","));
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pack.cells.fl = Uint16Array.from(data[20].split(","));
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pack.cells.pop = Uint16Array.from(data[21].split(","));
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pack.cells.r = Uint16Array.from(data[22].split(","));
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pack.cells.road = Uint16Array.from(data[23].split(","));
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pack.cells.s = Uint16Array.from(data[24].split(","));
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pack.cells.state = Uint8Array.from(data[25].split(","));
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}()
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void function restoreLayersState() {
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if (texture.style("display") !== "none" && texture.select("image").size()) turnButtonOn("toggleTexture"); else turnButtonOff("toggleTexture");
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if (terrs.selectAll("*").size()) turnButtonOn("toggleHeight"); else turnButtonOff("toggleHeight");
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if (biomes.selectAll("*").size()) turnButtonOn("toggleBiomes"); else turnButtonOff("toggleBiomes");
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if (cells.selectAll("*").size()) turnButtonOn("toggleCells"); else turnButtonOff("toggleCells");
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if (gridOverlay.selectAll("*").size()) turnButtonOn("toggleGrid"); else turnButtonOff("toggleGrid");
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if (coordinates.selectAll("*").size()) turnButtonOn("toggleCoordinates"); else turnButtonOff("toggleCoordinates");
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if (compass.style("display") !== "none" && compass.select("use").size()) turnButtonOn("toggleCompass"); else turnButtonOff("toggleCompass");
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if (rivers.style("display") !== "none") turnButtonOn("toggleRivers"); else turnButtonOff("toggleRivers");
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if (terrain.style("display") !== "none" && terrain.selectAll("*").size()) turnButtonOn("toggleRelief"); else turnButtonOff("toggleRelief");
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if (cults.selectAll("*").size()) turnButtonOn("toggleCultures"); else turnButtonOff("toggleCultures");
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if (statesBody.selectAll("*").size()) turnButtonOn("toggleStates"); else turnButtonOff("toggleStates");
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if (borders.style("display") !== "none" && borders.selectAll("*").size()) turnButtonOn("toggleBorders"); else turnButtonOff("toggleBorders");
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if (routes.style("display") !== "none" && routes.selectAll("path").size()) turnButtonOn("toggleRoutes"); else turnButtonOff("toggleRoutes");
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if (temperature.selectAll("*").size()) turnButtonOn("toggleTemp"); else turnButtonOff("toggleTemp");
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if (population.select("#rural").selectAll("*").size()) turnButtonOn("togglePopulation"); else turnButtonOff("togglePopulation");
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if (prec.selectAll("circle").size()) turnButtonOn("togglePrec"); else turnButtonOff("togglePrec");
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if (labels.style("display") !== "none") turnButtonOn("toggleLabels"); else turnButtonOff("toggleLabels");
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if (icons.style("display") !== "none") turnButtonOn("toggleIcons"); else turnButtonOff("toggleIcons");
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if (markers.style("display") !== "none") turnButtonOn("toggleMarkers"); else turnButtonOff("toggleMarkers");
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if (ruler.style("display") !== "none") turnButtonOn("toggleRulers"); else turnButtonOff("toggleRulers");
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if (scaleBar.style("display") !== "none") turnButtonOn("toggleScaleBar"); else turnButtonOff("toggleScaleBar");
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}()
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changeMapSize();
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restoreDefaultEvents();
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invokeActiveZooming();
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tip("Map is loaded");
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console.timeEnd("loadMap");
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}
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