Fantasy-Map-Generator/modules/save-and-load.js
2019-08-31 12:16:36 +03:00

513 lines
24 KiB
JavaScript

// Functions to save and load the map
"use strict";
// download map as SVG or PNG file
function saveAsImage(type) {
console.time("saveAsImage");
// clone svg
const cloneEl = document.getElementById("map").cloneNode(true);
cloneEl.id = "fantasyMap";
document.getElementsByTagName("body")[0].appendChild(cloneEl);
const clone = d3.select("#fantasyMap");
if (type === "svg") clone.select("#viewbox").attr("transform", null); // reset transform to show whole map
// remove unused elements
if (!clone.select("#terrain").selectAll("use").size()) clone.select("#defs-relief").remove();
if (!clone.select("#prec").selectAll("circle").size()) clone.select("#prec").remove();
const removeEmptyGroups = function() {
let empty = 0;
clone.selectAll("g").each(function() {
if (!this.hasChildNodes() || this.style.display === "none") {empty++; this.remove();}
if (this.hasAttribute("display") && this.style.display === "inline") this.removeAttribute("display");
});
return empty;
}
while(removeEmptyGroups()) {removeEmptyGroups();}
// for each g element get inline style
const emptyG = clone.append("g").node();
const defaultStyles = window.getComputedStyle(emptyG);
clone.selectAll("g, #ruler > g > *, #scaleBar > text").each(function(d) {
const compStyle = window.getComputedStyle(this);
let style = "";
for (let i=0; i < compStyle.length; i++) {
const key = compStyle[i];
const value = compStyle.getPropertyValue(key);
// Firefox mask hack
if (key === "mask-image" && value !== defaultStyles.getPropertyValue(key)) {
style += "mask-image: url('#land');";
continue;
}
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();
// load fonts as dataURI so they will be available in downloaded svg/png
GFontToDataURI(getFontsToLoad()).then(cssRules => {
clone.select("defs").append("style").text(cssRules.join('\n'));
const svg_xml = (new XMLSerializer()).serializeToString(clone.node());
clone.remove();
const blob = new Blob([svg_xml], {type: 'image/svg+xml;charset=utf-8'});
const url = window.URL.createObjectURL(blob);
const link = document.createElement("a");
link.target = "_blank";
if (type === "png") {
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() {
window.URL.revokeObjectURL(url);
ctx.drawImage(img, 0, 0, canvas.width, canvas.height);
link.download = "fantasy_map_" + Date.now() + ".png";
canvas.toBlob(function(blob) {
link.href = window.URL.createObjectURL(blob);
document.body.appendChild(link);
link.click();
window.setTimeout(function() {
canvas.remove();
window.URL.revokeObjectURL(link.href);
}, 1000);
});
}
} else {
link.download = "fantasy_map_" + Date.now() + ".svg";
link.href = url;
document.body.appendChild(link);
link.click();
tip(`${link.download} is saved. Open "Downloads" screen (crtl + J) to check`, true, "warning");
}
window.setTimeout(function() {
window.URL.revokeObjectURL(url);
clearMainTip();
}, 3000);
console.timeEnd("saveAsImage");
});
}
// get non-standard fonts used for labels to fetch them from web
function getFontsToLoad() {
const webSafe = ["Georgia", "Times+New+Roman", "Comic+Sans+MS", "Lucida+Sans+Unicode", "Courier+New", "Verdana", "Arial", "Impact"];
const fontsInUse = new Set(); // to store fonts currently in use
labels.selectAll("g").each(function() {
const font = this.dataset.font;
if (!font) return;
if (webSafe.includes(font)) return; // do not fetch web-safe fonts
fontsInUse.add(font);
});
const legendFont = legend.attr("data-font");
if (!webSafe.includes(legendFont)) fontsInUse.add();
return "https://fonts.googleapis.com/css?family=" + [...fontsInUse].join("|");
}
// code from Kaiido's answer https://stackoverflow.com/questions/42402584/how-to-use-google-fonts-in-canvas-when-drawing-dom-objects-in-svg
function GFontToDataURI(url) {
return fetch(url) // first fecth the embed stylesheet page
.then(resp => resp.text()) // we only need the text of it
.then(text => {
let s = document.createElement('style');
s.innerHTML = text;
document.head.appendChild(s);
const styleSheet = Array.prototype.filter.call(document.styleSheets, sS => sS.ownerNode === s)[0];
const FontRule = rule => {
const src = rule.style.getPropertyValue('src');
const url = src ? src.split('url(')[1].split(')')[0] : "";
return {rule, src, url: url.substring(url.length - 1, 1)};
}
const fontProms = [];
for (const r of styleSheet.cssRules) {
let fR = FontRule(r);
if (!fR.url) continue;
fontProms.push(
fetch(fR.url) // fetch the actual font-file (.woff)
.then(resp => resp.blob())
.then(blob => {
return new Promise(resolve => {
let f = new FileReader();
f.onload = e => resolve(f.result);
f.readAsDataURL(blob);
})
})
.then(dataURL => fR.rule.cssText.replace(fR.url, dataURL))
)
}
document.head.removeChild(s); // clean up
return Promise.all(fontProms); // wait for all this has been done
});
}
// Save in .map format
function saveMap() {
if (customization) {tip("Map cannot be saved when is in edit mode, please exit the mode and retry", false, "error"); return;}
console.time("saveMap");
closeDialogs();
const date = new Date();
const dateString = date.getFullYear() + "-" + (date.getMonth() + 1) + "-" + date.getDate();
const license = "File can be loaded in azgaar.github.io/Fantasy-Map-Generator";
const params = [version, license, dateString, seed, graphWidth, graphHeight].join("|");
const options = [distanceUnitInput.value, distanceScaleInput.value, areaUnit.value, heightUnit.value, heightExponentInput.value, temperatureScale.value,
barSize.value, barLabel.value, barBackOpacity.value, barBackColor.value, barPosX.value, barPosY.value, populationRate.value, urbanization.value,
mapSizeOutput.value, latitudeOutput.value, temperatureEquatorOutput.value, temperaturePoleOutput.value, precOutput.value, JSON.stringify(winds)].join("|");
const coords = JSON.stringify(mapCoordinates);
const biomes = [biomesData.color, biomesData.habitability, biomesData.name].join("|");
const notesData = JSON.stringify(notes);
// set transform values to default
svg.attr("width", graphWidth).attr("height", graphHeight);
const transform = d3.zoomTransform(svg.node());
viewbox.attr("transform", null);
const svg_xml = (new XMLSerializer()).serializeToString(svg.node());
const gridGeneral = JSON.stringify({spacing:grid.spacing, cellsX:grid.cellsX, cellsY:grid.cellsY, boundary:grid.boundary, points:grid.points, features:grid.features});
const features = JSON.stringify(pack.features);
const cultures = JSON.stringify(pack.cultures);
const states = JSON.stringify(pack.states);
const burgs = JSON.stringify(pack.burgs);
const religions = JSON.stringify(pack.religions);
const provinces = JSON.stringify(pack.provinces);
// data format as below
const data = [params, options, coords, biomes, notesData, svg_xml,
gridGeneral, grid.cells.h, grid.cells.prec, grid.cells.f, grid.cells.t, grid.cells.temp,
features, cultures, states, burgs,
pack.cells.biome, pack.cells.burg, pack.cells.conf, pack.cells.culture, pack.cells.fl,
pack.cells.pop, pack.cells.r, pack.cells.road, pack.cells.s, pack.cells.state,
pack.cells.religion, pack.cells.province, pack.cells.crossroad, religions, provinces].join("\r\n");
const dataBlob = new Blob([data], {type: "text/plain"});
const dataURL = window.URL.createObjectURL(dataBlob);
const link = document.createElement("a");
link.download = "fantasy_map_" + Date.now() + ".map";
link.href = dataURL;
document.body.appendChild(link);
link.click();
tip(`${link.download} is saved. Open "Downloads" screen (crtl + J) to check`, true, "warning");
// restore initial values
svg.attr("width", svgWidth).attr("height", svgHeight);
zoom.transform(svg, transform);
window.setTimeout(function() {
window.URL.revokeObjectURL(dataURL);
clearMainTip();
}, 3000);
console.timeEnd("saveMap");
}
function uploadFile(file, callback) {
console.time("loadMap");
const fileReader = new FileReader();
fileReader.onload = function(fileLoadedEvent) {
const dataLoaded = fileLoadedEvent.target.result;
const data = dataLoaded.split("\r\n");
const mapVersion = data[0].split("|")[0] || data[0];
if (mapVersion === version) {parseLoadedData(data); return;}
const archive = "<a href='https://github.com/Azgaar/Fantasy-Map-Generator/wiki/Changelog' target='_blank'>archived version</a>";
const parsed = parseFloat(mapVersion);
let message = "", load = false;
if (isNaN(parsed) || data.length < 26 || !data[5]) {
message = `The file you are trying to load is outdated or not a valid .map file.
<br>Please try to open it using an ${archive}`;
} else if (parsed < 0.7) {
message = `The map version you are trying to load (${mapVersion}) is too old and cannot be updated to the current version.
<br>Please keep using an ${archive}`;
} else {
load = true;
message = `The map version (${mapVersion}) does not match the Generator version (${version}).
<br>The map will be auto-updated. In case of issues please keep using an ${archive} of the Generator`;
}
alertMessage.innerHTML = message;
$("#alert").dialog({title: "Version conflict", width: 380, buttons: {
OK: function() {$(this).dialog("close"); if (load) parseLoadedData(data);}
}});
};
fileReader.readAsText(file, "UTF-8");
if (callback) callback();
}
function parseLoadedData(data) {
closeDialogs();
const reliefIcons = document.getElementById("defs-relief").innerHTML; // save relief icons
const hatching = document.getElementById("hatching").cloneNode(true); // save hatching
void function parseParameters() {
const params = data[0].split("|");
if (params[3]) {seed = params[3]; optionsSeed.value = seed;}
if (params[4]) graphWidth = +params[4];
if (params[5]) graphHeight = +params[5];
}()
void function parseOptions() {
const options = data[1].split("|");
if (options[0]) applyOption(distanceUnitInput, options[0]);
if (options[1]) distanceScaleInput.value = distanceScaleOutput.value = options[1];
if (options[2]) areaUnit.value = options[2];
if (options[3]) applyOption(heightUnit, options[3]);
if (options[4]) heightExponentInput.value = heightExponentOutput.value = options[4];
if (options[5]) temperatureScale.value = options[5];
if (options[6]) barSize.value = barSizeOutput.value = options[6];
if (options[7] !== undefined) barLabel.value = options[7];
if (options[8] !== undefined) barBackOpacity.value = options[8];
if (options[9]) barBackColor.value = options[9];
if (options[10]) barPosX.value = options[10];
if (options[11]) barPosY.value = options[11];
if (options[12]) populationRate.value = populationRateOutput.value = options[12];
if (options[13]) urbanization.value = urbanizationOutput.value = options[13];
if (options[14]) mapSizeInput.value = mapSizeOutput.value = Math.max(Math.min(options[14], 100), 1);
if (options[15]) latitudeInput.value = latitudeOutput.value = Math.max(Math.min(options[15], 100), 0);
if (options[16]) temperatureEquatorInput.value = temperatureEquatorOutput.value = options[16];
if (options[17]) temperaturePoleInput.value = temperaturePoleOutput.value = options[17];
if (options[18]) precInput.value = precOutput.value = options[18];
if (options[19]) winds = JSON.parse(options[19]);
}()
void function parseConfiguration() {
if (data[2]) mapCoordinates = JSON.parse(data[2]);
if (data[4]) notes = JSON.parse(data[4]);
const biomes = data[3].split("|");
biomesData = applyDefaultBiomesSystem();
biomesData.color = biomes[0].split(",");
biomesData.habitability = biomes[1].split(",").map(h => +h);
biomesData.name = biomes[2].split(",");
// push custom biomes if any
for (let i=biomesData.i.length; i < biomesData.name.length; i++) {
biomesData.i.push(biomesData.i.length);
biomesData.iconsDensity.push(0);
biomesData.icons.push([]);
biomesData.cost.push(50);
}
}()
void function replaceSVG() {
svg.remove();
document.body.insertAdjacentHTML("afterbegin", data[5]);
}()
void function redefineElements() {
svg = d3.select("#map");
defs = svg.select("#deftemp");
viewbox = svg.select("#viewbox");
scaleBar = svg.select("#scaleBar");
legend = svg.select("#legend");
ocean = viewbox.select("#ocean");
oceanLayers = ocean.select("#oceanLayers");
oceanPattern = ocean.select("#oceanPattern");
lakes = viewbox.select("#lakes");
landmass = viewbox.select("#landmass");
texture = viewbox.select("#texture");
terrs = viewbox.select("#terrs");
biomes = viewbox.select("#biomes");
cells = viewbox.select("#cells");
gridOverlay = viewbox.select("#gridOverlay");
coordinates = viewbox.select("#coordinates");
compass = viewbox.select("#compass");
rivers = viewbox.select("#rivers");
terrain = viewbox.select("#terrain");
relig = viewbox.select("#relig");
cults = viewbox.select("#cults");
regions = viewbox.select("#regions");
statesBody = regions.select("#statesBody");
statesHalo = regions.select("#statesHalo");
provs = viewbox.select("#provs");
zones = viewbox.select("#zones");
borders = viewbox.select("#borders");
stateBorders = borders.select("#stateBorders");
provinceBorders = borders.select("#provinceBorders");
routes = viewbox.select("#routes");
roads = routes.select("#roads");
trails = routes.select("#trails");
searoutes = routes.select("#searoutes");
temperature = viewbox.select("#temperature");
coastline = viewbox.select("#coastline");
prec = viewbox.select("#prec");
population = viewbox.select("#population");
labels = viewbox.select("#labels");
icons = viewbox.select("#icons");
burgIcons = icons.select("#burgIcons");
anchors = icons.select("#anchors");
markers = viewbox.select("#markers");
ruler = viewbox.select("#ruler");
fogging = viewbox.select("#fogging");
debug = viewbox.select("#debug");
freshwater = lakes.select("#freshwater");
salt = lakes.select("#salt");
burgLabels = labels.select("#burgLabels");
}()
void function parseGridData() {
grid = JSON.parse(data[6]);
calculateVoronoi(grid, grid.points);
grid.cells.h = Uint8Array.from(data[7].split(","));
grid.cells.prec = Uint8Array.from(data[8].split(","));
grid.cells.f = Uint16Array.from(data[9].split(","));
grid.cells.t = Int8Array.from(data[10].split(","));
grid.cells.temp = Int8Array.from(data[11].split(","));
}()
void function parsePackData() {
pack = {};
reGraph();
reMarkFeatures();
pack.features = JSON.parse(data[12]);
pack.cultures = JSON.parse(data[13]);
pack.states = JSON.parse(data[14]);
pack.burgs = JSON.parse(data[15]);
pack.religions = data[29] ? JSON.parse(data[29]) : [{i: 0, name: "No religion"}];
pack.provinces = data[30] ? JSON.parse(data[30]) : [0];
const cells = pack.cells;
cells.biome = Uint8Array.from(data[16].split(","));
cells.burg = Uint16Array.from(data[17].split(","));
cells.conf = Uint8Array.from(data[18].split(","));
cells.culture = Uint16Array.from(data[19].split(","));
cells.fl = Uint16Array.from(data[20].split(","));
cells.pop = Uint16Array.from(data[21].split(","));
cells.r = Uint16Array.from(data[22].split(","));
cells.road = Uint16Array.from(data[23].split(","));
cells.s = Uint16Array.from(data[24].split(","));
cells.state = Uint16Array.from(data[25].split(","));
cells.religion = data[26] ? Uint16Array.from(data[26].split(",")) : new Uint16Array(cells.i.length);
cells.province = data[27] ? Uint16Array.from(data[27].split(",")) : new Uint16Array(cells.i.length);
cells.crossroad = data[28] ? Uint16Array.from(data[28].split(",")) : new Uint16Array(cells.i.length);
}()
void function restoreLayersState() {
if (texture.style("display") !== "none" && texture.select("image").size()) turnButtonOn("toggleTexture"); else turnButtonOff("toggleTexture");
if (terrs.selectAll("*").size()) turnButtonOn("toggleHeight"); else turnButtonOff("toggleHeight");
if (biomes.selectAll("*").size()) turnButtonOn("toggleBiomes"); else turnButtonOff("toggleBiomes");
if (cells.selectAll("*").size()) turnButtonOn("toggleCells"); else turnButtonOff("toggleCells");
if (gridOverlay.selectAll("*").size()) turnButtonOn("toggleGrid"); else turnButtonOff("toggleGrid");
if (coordinates.selectAll("*").size()) turnButtonOn("toggleCoordinates"); else turnButtonOff("toggleCoordinates");
if (compass.style("display") !== "none" && compass.select("use").size()) turnButtonOn("toggleCompass"); else turnButtonOff("toggleCompass");
if (rivers.style("display") !== "none") turnButtonOn("toggleRivers"); else turnButtonOff("toggleRivers");
if (terrain.style("display") !== "none" && terrain.selectAll("*").size()) turnButtonOn("toggleRelief"); else turnButtonOff("toggleRelief");
if (relig.selectAll("*").size()) turnButtonOn("toggleReligions"); else turnButtonOff("toggleReligions");
if (cults.selectAll("*").size()) turnButtonOn("toggleCultures"); else turnButtonOff("toggleCultures");
if (statesBody.selectAll("*").size()) turnButtonOn("toggleStates"); else turnButtonOff("toggleStates");
if (provs.selectAll("*").size()) turnButtonOn("toggleProvinces"); else turnButtonOff("toggleProvinces");
if (zones.selectAll("*").size() && zones.style("display") !== "none") turnButtonOn("toggleZones"); else turnButtonOff("toggleZones");
if (borders.style("display") !== "none") turnButtonOn("toggleBorders"); else turnButtonOff("toggleBorders");
if (routes.style("display") !== "none" && routes.selectAll("path").size()) turnButtonOn("toggleRoutes"); else turnButtonOff("toggleRoutes");
if (temperature.selectAll("*").size()) turnButtonOn("toggleTemp"); else turnButtonOff("toggleTemp");
if (prec.selectAll("circle").size()) turnButtonOn("togglePrec"); else turnButtonOff("togglePrec");
if (labels.style("display") !== "none") turnButtonOn("toggleLabels"); else turnButtonOff("toggleLabels");
if (icons.style("display") !== "none") turnButtonOn("toggleIcons"); else turnButtonOff("toggleIcons");
if (markers.selectAll("*").size() && markers.style("display") !== "none") turnButtonOn("toggleMarkers"); else turnButtonOff("toggleMarkers");
if (ruler.style("display") !== "none") turnButtonOn("toggleRulers"); else turnButtonOff("toggleRulers");
if (scaleBar.style("display") !== "none") turnButtonOn("toggleScaleBar"); else turnButtonOff("toggleScaleBar");
// special case for population bars
const populationIsOn = population.selectAll("line").size();
if (populationIsOn) drawPopulation();
if (populationIsOn) turnButtonOn("togglePopulation"); else turnButtonOff("togglePopulation");
getCurrentPreset();
}()
void function restoreRulersEvents() {
ruler.selectAll("g").call(d3.drag().on("start", dragRuler));
ruler.selectAll("text").on("click", removeParent);
ruler.selectAll("g.ruler circle").call(d3.drag().on("drag", dragRulerEdge));
ruler.selectAll("g.ruler circle").call(d3.drag().on("drag", dragRulerEdge));
ruler.selectAll("g.ruler rect").call(d3.drag().on("start", rulerCenterDrag));
ruler.selectAll("g.opisometer circle").call(d3.drag().on("start", dragOpisometerEnd));
ruler.selectAll("g.opisometer circle").call(d3.drag().on("start", dragOpisometerEnd));
}()
void function resolveVersionConflicts() {
const version = parseFloat(data[0].split("|")[0]);
if (version == 0.8) {
// 0.9 has additional relief icons to be included into older maps
document.getElementById("defs-relief").innerHTML = reliefIcons;
}
if (version < 1) {
// 1.0 adds a new religions layer
relig = viewbox.insert("g", "#terrain").attr("id", "cults");
Religions.generate();
// 1.0 adds a legend box
legend = svg.append("g").attr("id", "legend");
legend.attr("font-family", "Almendra SC").attr("data-font", "Almendra+SC")
.attr("font-size", 13).attr("data-size", 13).attr("data-x", 99).attr("data-y", 93)
.attr("stroke-width", 2.5).attr("stroke", "#812929").attr("stroke-dasharray", "0 4 10 4").attr("stroke-linecap", "round");
// 1.0 separated drawBorders fron drawStates()
stateBorders = borders.append("g").attr("id", "stateBorders");
provinceBorders = borders.append("g").attr("id", "provinceBorders");
borders.attr("opacity", null).attr("stroke", null).attr("stroke-width", null).attr("stroke-dasharray", null).attr("stroke-linecap", null).attr("filter", null);
stateBorders.attr("opacity", .8).attr("stroke", "#56566d").attr("stroke-width", 1).attr("stroke-dasharray", "2").attr("stroke-linecap", "butt");
provinceBorders.attr("opacity", .8).attr("stroke", "#56566d").attr("stroke-width", .5).attr("stroke-dasharray", "1").attr("stroke-linecap", "butt");
// 1.0 adds state relations, provinces, forms and full names
provs = viewbox.insert("g", "#borders").attr("id", "provs").attr("opacity", .6);
BurgsAndStates.collectStatistics();
BurgsAndStates.generateDiplomacy();
BurgsAndStates.defineStateForms();
drawStates();
BurgsAndStates.generateProvinces();
drawBorders();
if (!layerIsOn("toggleBorders")) $('#borders').fadeOut();
if (!layerIsOn("toggleStates")) regions.attr("display", "none").selectAll("path").remove();
// 1.0 adds hatching
document.getElementsByTagName("defs")[0].appendChild(hatching);
// 1.0 adds zones layer
zones = viewbox.insert("g", "#borders").attr("id", "zones").attr("display", "none");
zones.attr("opacity", .6).attr("stroke", null).attr("stroke-width", 0).attr("stroke-dasharray", null).attr("stroke-linecap", "butt");
addZone();
if (!markers.selectAll("*").size()) {addMarkers(); turnButtonOn("toggleMarkers");}
// 1.0 add fogging layer (state focus)
let fogging = viewbox.insert("g", "#ruler").attr("id", "fogging-cont").attr("mask", "url(#fog)")
.append("g").attr("id", "fogging").attr("display", "none");
fogging.append("rect").attr("x", 0).attr("y", 0).attr("width", "100%").attr("height", "100%");
defs.append("mask").attr("id", "fog").append("rect").attr("x", 0).attr("y", 0).attr("width", "100%")
.attr("height", "100%").attr("fill", "white");
// 1.0 changes states opacity bask to regions level
if (statesBody.attr("opacity")) {
regions.attr("opacity", statesBody.attr("opacity"));
statesBody.attr("opacity", null);
}
// 1.0 changed labels to multi-lined
labels.selectAll("textPath").each(function() {
const text = this.textContent;
const shift = this.getComputedTextLength() / -1.5;
this.innerHTML = `<tspan x="${shift}">${text}</tspan>`;
});
// 1.0 added new biome - Wetland
biomesData.name.push("Wetland");
biomesData.color.push("#0b9131");
biomesData.habitability.push(12);
}
}()
changeMapSize();
restoreDefaultEvents();
invokeActiveZooming();
tip("Map is loaded");
console.timeEnd("loadMap");
}