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https://github.com/Azgaar/Fantasy-Map-Generator.git
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v 0.8.31b
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Azgaar
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commit
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4 changed files with 168 additions and 111 deletions
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@ -6,8 +6,7 @@
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const generate = function() {
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console.time("generateBurgsAndStates");
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const cells = pack.cells, vertices = pack.vertices, features = pack.features, cultures = pack.cultures, n = cells.i.length;
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const cells = pack.cells, cultures = pack.cultures, n = cells.i.length;
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cells.burg = new Uint16Array(n); // cell burg
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cells.road = new Uint16Array(n); // cell road power
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@ -19,13 +18,14 @@
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placeTowns();
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const townRoutes = Routes.getTrails();
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specifyBurgs();
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const oceanRoutes = Routes.getSearoutes();
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expandStates();
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normalizeStates();
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Routes.draw(capitalRoutes, townRoutes, oceanRoutes);
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drawBurgsWithLabels();
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drawBurgs();
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function placeCapitals() {
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console.time('placeCapitals');
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@ -43,7 +43,7 @@
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} else {
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console.error(`Not enought populated cells (${sorted.length}). Will generate only ${count} states`);
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}
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}
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}
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let burgsTree = d3.quadtree();
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let spacing = (graphWidth + graphHeight) / 2 / count; // min distance between capitals
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@ -133,108 +133,109 @@
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burgs[0] = {name:undefined};
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console.timeEnd('placeTowns');
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}
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// define burg coordinates and define details
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function specifyBurgs() {
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console.time("specifyBurgs");
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for (const b of burgs) {
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if (!b.i) continue;
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const i = b.cell;
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// asign port status: capital with any harbor and towns with good harbors
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const port = (b.capital && cells.harbor[i]) || cells.harbor[i] === 1;
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b.port = port ? cells.f[cells.haven[i]] : 0; // port is defined by feature id it lays on
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// define burg population (keep urbanization at about 10% rate)
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b.population = rn(Math.max((cells.s[i] + cells.road[i]) / 3 + b.i / 1000 + i % 100 / 1000, .1), 3);
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if (b.capital) b.population = rn(b.population * 1.3, 3); // increase capital population
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if (port) {
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b.population = rn(b.population * 1.3, 3); // increase port population
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const e = cells.v[i].filter(v => vertices.c[v].some(c => c === cells.haven[i])); // vertices of common edge
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b.x = rn((vertices.p[e[0]][0] + vertices.p[e[1]][0]) / 2, 2);
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b.y = rn((vertices.p[e[0]][1] + vertices.p[e[1]][1]) / 2, 2);
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continue;
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}
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// shift burgs on rivers semi-randomly and just a bit
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if (cells.r[i]) {
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const shift = Math.min(cells.fl[i]/150, 1);
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if (i%2) b.x = rn(b.x + shift, 2); else b.x = rn(b.x - shift, 2);
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if (cells.r[i]%2) b.y = rn(b.y + shift, 2); else b.y = rn(b.y - shift, 2);
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}
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}
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// de-assign port status if it's the only one on feature
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for (const f of features) {
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if (!f.i || f.land) continue;
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const onFeature = burgs.filter(b => b.port === f.i);
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if (onFeature.length === 1) {
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onFeature[0].port = 0;
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}
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}
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console.timeEnd("specifyBurgs");
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}
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function drawBurgsWithLabels() {
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console.time("drawBurgs");
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// remove old data
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burgIcons.selectAll("circle").remove();
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burgLabels.selectAll("text").remove();
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icons.selectAll("use").remove();
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// capitals
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const capitals = burgs.filter(b => b.capital);
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const capitalIcons = burgIcons.select("#cities");
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const capitalLabels = burgLabels.select("#cities");
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const capitalSize = capitalIcons.attr("size") || 1;
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const capitalAnchors = anchors.selectAll("#cities");
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const caSize = capitalAnchors.attr("size") || 2;
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capitalIcons.selectAll("circle").data(capitals).enter()
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.append("circle").attr("id", d => "burg"+d.i).attr("data-id", d => d.i)
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.attr("cx", d => d.x).attr("cy", d => d.y).attr("r", capitalSize);
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capitalLabels.selectAll("text").data(capitals).enter()
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.append("text").attr("id", d => "burgLabel"+d.i).attr("data-id", d => d.i)
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.attr("x", d => d.x).attr("y", d => d.y).attr("dy", `${capitalSize * -1.5}px`).text(d => d.name);
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capitalAnchors.selectAll("use").data(capitals.filter(c => c.port)).enter()
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.append("use").attr("xlink:href", "#icon-anchor").attr("data-id", d => d.i)
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.attr("x", d => rn(d.x - caSize * .47, 2)).attr("y", d => rn(d.y - caSize * .47, 2))
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.attr("width", caSize).attr("height", caSize);
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// towns
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const towns = burgs.filter(b => b.capital === false);
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const townIcons = burgIcons.select("#towns");
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const townLabels = burgLabels.select("#towns");
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const townSize = townIcons.attr("size") || 0.5;
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const townsAnchors = anchors.selectAll("#towns");
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const taSize = townsAnchors.attr("size") || 1;
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townIcons.selectAll("circle").data(towns).enter()
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.append("circle").attr("id", d => "burg"+d.i).attr("data-id", d => d.i)
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.attr("cx", d => d.x).attr("cy", d => d.y).attr("r", townSize);
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townLabels.selectAll("text").data(towns).enter()
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.append("text").attr("id", d => "burgLabel"+d.i).attr("data-id", d => d.i)
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.attr("x", d => d.x).attr("y", d => d.y).attr("dy", `${townSize * -1.5}px`).text(d => d.name);
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townsAnchors.selectAll("use").data(towns.filter(c => c.port)).enter()
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.append("use").attr("xlink:href", "#icon-anchor").attr("data-id", d => d.i)
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.attr("x", d => rn(d.x - taSize * .47, 2)).attr("y", d => rn(d.y - taSize * .47, 2))
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.attr("width", taSize).attr("height", taSize);
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console.timeEnd("drawBurgs");
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}
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console.timeEnd("generateBurgsAndStates");
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}
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// define burg coordinates and define details
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const specifyBurgs = function() {
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console.time("specifyBurgs");
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const cells = pack.cells, vertices = pack.vertices;
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for (const b of pack.burgs) {
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if (!b.i) continue;
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const i = b.cell;
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// asign port status: capital with any harbor and towns with good harbors
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const port = (b.capital && cells.harbor[i]) || cells.harbor[i] === 1;
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b.port = port ? cells.f[cells.haven[i]] : 0; // port is defined by feature id it lays on
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// define burg population (keep urbanization at about 10% rate)
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b.population = rn(Math.max((cells.s[i] + cells.road[i]) / 3 + b.i / 1000 + i % 100 / 1000, .1), 3);
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if (b.capital) b.population = rn(b.population * 1.3, 3); // increase capital population
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if (port) {
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b.population = rn(b.population * 1.3, 3); // increase port population
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const e = cells.v[i].filter(v => vertices.c[v].some(c => c === cells.haven[i])); // vertices of common edge
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b.x = rn((vertices.p[e[0]][0] + vertices.p[e[1]][0]) / 2, 2);
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b.y = rn((vertices.p[e[0]][1] + vertices.p[e[1]][1]) / 2, 2);
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continue;
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}
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// shift burgs on rivers semi-randomly and just a bit
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if (cells.r[i]) {
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const shift = Math.min(cells.fl[i]/150, 1);
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if (i%2) b.x = rn(b.x + shift, 2); else b.x = rn(b.x - shift, 2);
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if (cells.r[i]%2) b.y = rn(b.y + shift, 2); else b.y = rn(b.y - shift, 2);
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}
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}
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// de-assign port status if it's the only one on feature
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for (const f of pack.features) {
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if (!f.i || f.land) continue;
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const onFeature = pack.burgs.filter(b => b.port === f.i);
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if (onFeature.length === 1) {
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onFeature[0].port = 0;
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}
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}
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console.timeEnd("specifyBurgs");
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}
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const drawBurgs = function() {
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console.time("drawBurgs");
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// remove old data
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burgIcons.selectAll("circle").remove();
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burgLabels.selectAll("text").remove();
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icons.selectAll("use").remove();
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// capitals
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const capitals = pack.burgs.filter(b => b.capital);
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const capitalIcons = burgIcons.select("#cities");
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const capitalLabels = burgLabels.select("#cities");
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const capitalSize = capitalIcons.attr("size") || 1;
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const capitalAnchors = anchors.selectAll("#cities");
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const caSize = capitalAnchors.attr("size") || 2;
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capitalIcons.selectAll("circle").data(capitals).enter()
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.append("circle").attr("id", d => "burg"+d.i).attr("data-id", d => d.i)
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.attr("cx", d => d.x).attr("cy", d => d.y).attr("r", capitalSize);
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capitalLabels.selectAll("text").data(capitals).enter()
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.append("text").attr("id", d => "burgLabel"+d.i).attr("data-id", d => d.i)
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.attr("x", d => d.x).attr("y", d => d.y).attr("dy", `${capitalSize * -1.5}px`).text(d => d.name);
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capitalAnchors.selectAll("use").data(capitals.filter(c => c.port)).enter()
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.append("use").attr("xlink:href", "#icon-anchor").attr("data-id", d => d.i)
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.attr("x", d => rn(d.x - caSize * .47, 2)).attr("y", d => rn(d.y - caSize * .47, 2))
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.attr("width", caSize).attr("height", caSize);
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// towns
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const towns = pack.burgs.filter(b => b.capital === false);
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const townIcons = burgIcons.select("#towns");
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const townLabels = burgLabels.select("#towns");
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const townSize = townIcons.attr("size") || 0.5;
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const townsAnchors = anchors.selectAll("#towns");
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const taSize = townsAnchors.attr("size") || 1;
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townIcons.selectAll("circle").data(towns).enter()
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.append("circle").attr("id", d => "burg"+d.i).attr("data-id", d => d.i)
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.attr("cx", d => d.x).attr("cy", d => d.y).attr("r", townSize);
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townLabels.selectAll("text").data(towns).enter()
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.append("text").attr("id", d => "burgLabel"+d.i).attr("data-id", d => d.i)
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.attr("x", d => d.x).attr("y", d => d.y).attr("dy", `${townSize * -1.5}px`).text(d => d.name);
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townsAnchors.selectAll("use").data(towns.filter(c => c.port)).enter()
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.append("use").attr("xlink:href", "#icon-anchor").attr("data-id", d => d.i)
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.attr("x", d => rn(d.x - taSize * .47, 2)).attr("y", d => rn(d.y - taSize * .47, 2))
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.attr("width", taSize).attr("height", taSize);
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console.timeEnd("drawBurgs");
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}
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// growth algorithm to assign cells to states like we did for cultures
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const expandStates = function() {
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console.time("expandStates");
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@ -481,6 +482,6 @@
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console.timeEnd("drawStateLabels");
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}
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return {generate, expandStates, normalizeStates, drawStateLabels};
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return {generate, expandStates, normalizeStates, drawBurgs, specifyBurgs, drawStateLabels};
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})));
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