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valetudo.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Valetudo to VMF</title>
<style>
* {
padding: 0;
}
.output {
display: flex;
}
.output>div {
flex: 1;
padding: 2px;
}
</style>
<script src="imagetracer_v1.2.6.js"></script>
<script src="simplify.js"></script>
<script src="earcut.min.js"></script>
</head>
<body>
<div class="center">
<div>
<input type="file" id="inputmap" name="inputmap" />
</div>
<div class="output">
<div>
<canvas id="pixelmap" width="500" height="500"></canvas>
</div>
<div>
<div id="svgcontainer" width="500" height="500"></div>
</div>
<div>
<div id="simple_svgcontainer" width="500" height="500"></div>
</div>
</div>
<div>
<button type="button" id="download_vmf_btn" disabled>Download VMF</button>
</div>
</div>
<script>
var pixelmap = document.getElementById('pixelmap');
var pixelmap_width = pixelmap.getAttribute("width");
var pixelmap_height = pixelmap.getAttribute("height");
var pixelctx = pixelmap.getContext('2d');
pixelctx.fillStyle = "rgb(0, 0, 0);";
pixelctx.fillRect(0, 0, pixelmap.width, pixelmap.height);
// https://martin.ankerl.com/2009/12/09/how-to-create-random-colors-programmatically/
function HSVtoRGB(h, s, v) {
var r, g, b, i, f, p, q, t;
if (arguments.length === 1) {
s = h.s, v = h.v, h = h.h;
}
i = Math.floor(h * 6);
f = h * 6 - i;
p = v * (1 - s);
q = v * (1 - f * s);
t = v * (1 - (1 - f) * s);
switch (i % 6) {
case 0: r = v, g = t, b = p; break;
case 1: r = q, g = v, b = p; break;
case 2: r = p, g = v, b = t; break;
case 3: r = p, g = q, b = v; break;
case 4: r = t, g = p, b = v; break;
case 5: r = v, g = p, b = q; break;
}
return {
r: Math.round(r * 255),
g: Math.round(g * 255),
b: Math.round(b * 255)
};
}
var golden_ratio_conjugate = 0.618033988749895
var h = Math.random();
// /\
var svgmap = document.getElementById('svgcontainer');
var simple_svgmap = document.getElementById('simple_svgcontainer');
var simple_svg_str = "";
var bounding_box = [[0, 0], [0, 0]];
var number = /-?[0-9]*\.?[0-9]+(?:e[-+]?\d+)?/ig;
var length = { a: 7, c: 6, h: 1, l: 2, m: 2, q: 4, s: 4, t: 2, v: 1, z: 0 };
var segment = /([astvzqmhlc])([^astvzqmhlc]*)/ig;
var single_segment = /M(.*?)Z/ig;
function parseValues(args) {
var numbers = args.match(number)
return numbers ? numbers.map(Number) : []
}
function parsePath(path) {
var data = []
path.replace(segment, function (_, command, args) {
var type = command.toLowerCase()
args = parseValues(args)
// overloaded moveTo
if (type == 'm' && args.length > 2) {
data.push([command].concat(args.splice(0, 2)))
type = 'l'
command = command == 'm' ? 'l' : 'L'
}
while (true) {
if (args.length == length[type]) {
args.unshift(command)
return data.push(args)
}
if (args.length < length[type]) throw new Error('malformed path data')
data.push([command].concat(args.splice(0, length[type])))
}
})
return data
}
function donwload_vmf() {
var solidStr = "";
var parser = new DOMParser();
var doc = parser.parseFromString(simple_svg_str, "application/xml");
var paths = doc.getElementsByTagName("path");
//TODO: Find a better way to differentiate? Maybe run CanvasDraw & Imagetracer for each type seperately to better discern them?
var colorArr = { "rgb(255,0,0)": "wall", "rgb(255,255,255)": "floor" };
for (var i = 0; i < paths.length; i++) {
var color = paths[i].getAttribute('fill');
//Ignore Background/Void
if (color == "rgb(0,0,0)") {
continue;
}
var color = paths[i].getAttribute('fill');
var type = colorArr[color];
var path = paths[i].getAttribute('d');
var re = new RegExp(single_segment);
var matches = path.match(re);
var multi_coords = [];
for (var k = 0; k < matches.length; k++) {
var parsed = parsePath(matches[k]);
//console.log(parsed);
multi_coords.push([]);
//Center and rescale vertices
for (var j = 0; j < parsed.length - 1; j++) {
var scaled_x = ((((parsed[j][1] / bounding_box[1][0]) * 2) - 1) * 4000.0);
scaled_x = Math.round(scaled_x * 100) / 100;
var scaled_y = ((((parsed[j][2] / bounding_box[1][1]) * 2) - 1) * 4000.0);
scaled_y = Math.round(scaled_y * 100) / 100;
multi_coords[k].push([scaled_x, scaled_y]);
}
}
var data = earcut.flatten(multi_coords);
var triangles = earcut(data.vertices, data.holes, data.dimensions);
for (var j = 0; j < triangles.length; j += 3) {
console.log("### New Brush ###")
var offset_top = (type == "wall" ? 128 : 0);
var offset_bot = (type == "wall" ? 0 : -64);
var v1_t = [data.vertices[triangles[j] * 2], data.vertices[triangles[j] * 2 + 1], 0];
v1_t[2] += offset_top;
var v2_t = [data.vertices[triangles[j + 1] * 2], data.vertices[triangles[j + 1] * 2 + 1], 0];
v2_t[2] += offset_top;
var v3_t = [data.vertices[triangles[j + 2] * 2], data.vertices[triangles[j + 2] * 2 + 1], 0];
v3_t[2] += offset_top;
var v1_b = [data.vertices[triangles[j] * 2], data.vertices[triangles[j] * 2 + 1], 0];
v1_b[2] += offset_bot;
var v2_b = [data.vertices[triangles[j + 1] * 2], data.vertices[triangles[j + 1] * 2 + 1], 0];
v2_b[2] += offset_bot;
var v3_b = [data.vertices[triangles[j + 2] * 2], data.vertices[triangles[j + 2] * 2 + 1], 0];
v3_b[2] += offset_bot;
var triangles_to_place = [
// Top
// 1, 2, 3
[v1_t, v2_t, v3_t],
// Bottom
// 5, 4, 6
[v2_b, v1_b, v3_b],
// Side 1
// 1, 4, 5
[v1_t, v1_b, v2_b],
// Side 2
// 2, 5, 6
[v2_t, v2_b, v3_b],
// Side 3
// 3, 6, 4
[v3_t, v3_b, v1_b]
];
//console.table(triangles_to_place);
solidStr += "\tsolid\n";
solidStr += "\t{\n";
for (var m = 0; m < triangles_to_place.length; m++) {
var t0 = triangles_to_place[m][1];
var t1 = triangles_to_place[m][0];
var t2 = triangles_to_place[m][2];
solidStr += "\t\tside\n";
solidStr += "\t\t{\n";
solidStr += "\t\t\t\"plane\" \"(" + t0[0] + " " + t0[1] + " " + t0[2] + ") (" + t1[0] + " " + t1[1] + " " + t1[2] + ") (" + t2[0] + " " + t2[1] + " " + t2[2] + ")\"\n";
if (type == "wall") {
solidStr += "\t\t\t\"material\" \"DEV/DEV_MEASUREGENERIC01B\"\n";
} else {
solidStr += "\t\t\t\"material\" \"DEV/DEV_MEASUREGENERIC01\"\n";
}
if (m < 2) {
solidStr += "\t\t\t\"uaxis\" \"[1 0 0 0] 0.25\"\n";
solidStr += "\t\t\t\"vaxis\" \"[0 -1 0 0] 0.25\"\n";
}
else {
solidStr += "\t\t\t\"uaxis\" \"[0 1 0 0] 0.25\"\n";
solidStr += "\t\t\t\"vaxis\" \"[0 0 -1 0] 0.25\"\n";
}
solidStr += "\t\t}\n";
}
solidStr += "\t}\n";
}
}
var vmfString = "world {\n";
vmfString += solidStr;
vmfString += "}";
var element = document.createElement('a');
element.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(vmfString));
element.setAttribute('download', "generated_map.vmf");
element.style.display = 'none';
document.body.appendChild(element);
element.click();
document.body.removeChild(element);
}
function simplify_svg(tracedata) {
var pointcnt = 0, newpointscontainer = [];
for (var i = 0; i < tracedata.layers.length; i++) {
newpointscontainer[i] = [];
for (var j = 0; j < tracedata.layers[i].length; j++) {
newpointscontainer[i][j] = [];
newpointscontainer[i][j].push({ x: tracedata.layers[i][j].segments[0].x1, y: tracedata.layers[i][j].segments[0].y1 });
for (var k = 0; k < tracedata.layers[i][j].segments.length; k++) {
newpointscontainer[i][j].push({ x: tracedata.layers[i][j].segments[k].x2, y: tracedata.layers[i][j].segments[k].y2 });
pointcnt++;
if (tracedata.layers[i][j].segments[k].hasOwnProperty('x3')) {
newpointscontainer[i][j].push({ x: tracedata.layers[i][j].segments[k].x3, y: tracedata.layers[i][j].segments[k].y3 });
pointcnt++;
}
}
// simplify with tolerance = 2 ; highQuality = true
newpointscontainer[i][j] = simplify(newpointscontainer[i][j], 2, true);
}
}
pointcnt = 0;
for (var i = 0; i < tracedata.layers.length; i++) {
for (var j = 0; j < tracedata.layers[i].length; j++) {
tracedata.layers[i][j].segments = [];
pointcnt += newpointscontainer[i][j].length;
for (var k = 0; k < newpointscontainer[i][j].length; k++) {
tracedata.layers[i][j].segments.push(
{
type: 'L',
x1: newpointscontainer[i][j][k].x,
y1: newpointscontainer[i][j][k].y,
x2: newpointscontainer[i][j][(k + 1) % newpointscontainer[i][j].length].x,
y2: newpointscontainer[i][j][(k + 1) % newpointscontainer[i][j].length].y
}
);
}
}
}
return tracedata;
}
function createSVGFromCanvas(colors_used) {
var options = { ltres: 0, qtres: 0, pathomit: 0, colorquantcycles: 1 };
options.pal = colors_used;
var tracedata = ImageTracer.imagedataToTracedata(ImageTracer.getImgdata(pixelmap), options);
var svg_string = ImageTracer.getsvgstring(tracedata, options);
svgmap.innerHTML = svg_string;
simple_svg_str = svg_string;
/*var simple_tracedata = simplify_svg(tracedata, options);
simple_svg_str = ImageTracer.getsvgstring(simple_tracedata, options);
simple_svgmap.innerHTML = simple_svg_str;*/
}
function handleFileContents(contents) {
var data = JSON.parse(contents);
var colors_to_use = { "floor": [0, 255, 0], "wall": [255, 0, 0], "segment": [255, 255, 255] };
var colors_used = [{ r: 0, g: 0, b: 0, a: 255 }];
var size = data["size"];
pixelctx.width = size.x / data["pixelSize"];
pixelctx.height = size.y / data["pixelSize"];
var widthRatio = pixelmap_width / pixelctx.width;
var heightRatio = pixelmap_height / pixelctx.height;
for (var i = data["layers"].length-1; i >= 0; i--) {
// += 2 because X Y
var pixels = data["layers"][i]["pixels"];
if (data["layers"][i]["type"] != "segment" && data["layers"][i]["type"] != "wall") {
continue;
}
var color = colors_to_use[data["layers"][i]["type"]]
pixelctx.fillStyle = "rgb(" + color[0] + ", " + color[1] + ", " + color[2] + ")";
colors_used.push({ r: color[0], g: color[1], b: color[2], a: 255 });
for (var k = 0; k < pixels.length; k += 2) {
var x = pixels[k];
var y = pixels[k + 1];
bounding_box[0][0] = Math.min(bounding_box[0][0], x);
bounding_box[0][1] = Math.min(bounding_box[0][1], y);
bounding_box[1][0] = Math.max(bounding_box[1][0], x);
bounding_box[1][1] = Math.max(bounding_box[1][1], y);
pixelctx.fillRect(x * widthRatio, y * heightRatio, 1, 1);
}
}
/*for (var i = 0; i < data["entities"].length; i++) {
// += 2 because X Y
var entity = data["entities"][i];
var points = entity["points"];
if(entity["type"] != "no_go_area") {
continue;
}
h += golden_ratio_conjugate;
h %= 1;
var {r, g, b} = HSVtoRGB(h, 0.99, 0.99)
pixelctx.fillStyle = "rgba(" + r + ", " + g + ", " + b + ", 0.8)";
pixelctx.beginPath();
pixelctx.moveTo(points[0] * widthRatio / data["pixelSize"], points[1] * heightRatio / data["pixelSize"]);
for (var k = 2; k < points.length; k += 2) {
var x = points[k];
var y = points[k + 1];
pixelctx.lineTo(x * widthRatio / data["pixelSize"], y * heightRatio / data["pixelSize"]);
}
pixelctx.closePath();
pixelctx.fill();
}*/
//Make colors_used unique
colors_used = colors_used.filter((v, i, a) => a.findIndex(t => (JSON.stringify(t) === JSON.stringify(v))) === i);
console.log(data);
console.log(bounding_box);
createSVGFromCanvas(colors_used);
//Unlock downloadbutton
var dlbtn = document.getElementById("download_vmf_btn");
dlbtn.disabled = false;
dlbtn.addEventListener('click', donwload_vmf, false);
}
function handleFileSelect(evt) {
var file = evt.target.files[0];
var reader = new FileReader();
reader.readAsText(file);
reader.onload = function () {
handleFileContents(reader.result);
}
}
document.getElementById('inputmap').addEventListener('change', handleFileSelect, false);
</script>
</body>
</html>