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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Image to rms</title>
<link rel="stylesheet" href="base.min.css"/>
<link rel="stylesheet" href="choices.min.css"/>
<style>
html {
background-color: #333;
color: #eee;
font-family: sans-serif;
}
body {
padding-top: 1rem;
max-width: 1080px;
margin: 0 auto !important;
float: none !important;
}
.choices {
color: #333;
display: inline-block;
min-width: 500px;
}
ul {
list-style: none;
}
.row {
margin-bottom: 1rem;
}
#myCanvas {
margin: 40px 100px 40px 140px;
}
button {
padding: .5rem 1rem;
border: none;
outline: none;
color: #fff;
background: #111;
cursor: pointer;
position: relative;
z-index: 0;
border-radius: 10px;
}
button:before {
content: '';
background: linear-gradient(45deg, #ff0000, #ff7300, #fffb00, #48ff00, #00ffd5, #002bff, #7a00ff, #ff00c8, #ff0000);
position: absolute;
top: -2px;
left: -2px;
background-size: 400%;
z-index: -1;
filter: blur(5px);
width: calc(100% + 4px);
height: calc(100% + 4px);
animation: glowing 20s linear infinite;
opacity: 0;
transition: opacity .3s ease-in-out;
border-radius: 10px;
}
button:active {
color: #000
}
button:active:after {
background: transparent;
}
button:hover:before {
opacity: 1;
}
button:after {
z-index: -1;
content: '';
position: absolute;
width: 100%;
height: 100%;
background: #111;
left: 0;
top: 0;
border-radius: 10px;
}
@keyframes glowing {
0% {
background-position: 0 0;
}
50% {
background-position: 400% 0;
}
100% {
background-position: 0 0;
}
}
/* https://loading.io/css/ */
.lds-roller {
display: inline-block;
position: relative;
width: 80px;
height: 80px;
}
.lds-roller div {
animation: lds-roller 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
transform-origin: 40px 40px;
}
.lds-roller div:after {
content: " ";
display: block;
position: absolute;
width: 7px;
height: 7px;
border-radius: 50%;
background: #fff;
margin: -4px 0 0 -4px;
}
.lds-roller div:nth-child(1) {
animation-delay: -0.036s;
}
.lds-roller div:nth-child(1):after {
top: 63px;
left: 63px;
}
.lds-roller div:nth-child(2) {
animation-delay: -0.072s;
}
.lds-roller div:nth-child(2):after {
top: 68px;
left: 56px;
}
.lds-roller div:nth-child(3) {
animation-delay: -0.108s;
}
.lds-roller div:nth-child(3):after {
top: 71px;
left: 48px;
}
.lds-roller div:nth-child(4) {
animation-delay: -0.144s;
}
.lds-roller div:nth-child(4):after {
top: 72px;
left: 40px;
}
.lds-roller div:nth-child(5) {
animation-delay: -0.18s;
}
.lds-roller div:nth-child(5):after {
top: 71px;
left: 32px;
}
.lds-roller div:nth-child(6) {
animation-delay: -0.216s;
}
.lds-roller div:nth-child(6):after {
top: 68px;
left: 24px;
}
.lds-roller div:nth-child(7) {
animation-delay: -0.252s;
}
.lds-roller div:nth-child(7):after {
top: 63px;
left: 17px;
}
.lds-roller div:nth-child(8) {
animation-delay: -0.288s;
}
.lds-roller div:nth-child(8):after {
top: 56px;
left: 12px;
}
@keyframes lds-roller {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
.hidden {
display: none;
}
</style>
</head>
<body>
<h1><img src="SiegeEngineers.png" alt="[SE]"/> Image to rms</h1>
<div class="row">
<ol>
<li>Select the default terrain that shall be assigned to all colours of your image initially.</li>
<li>Load an image of your choice. Images with sizes other than 101x101 pixels might cause inconsistent colors due to
resizing.
</li>
<li>Select below which terrain shall be used for which colour. Choose <code>NONE</code> to exclude tiles from the
generated rms code.
</li>
<li>Use the download buttons to get a standalone script or just the snippet for the terrains.</li>
</ol>
</div>
<div class="row">
<label for="default-terrain">Default terrain</label>
<select id="default-terrain"></select>
</div>
<div class="row">
<input type="checkbox" id="use-default-terrain-for-all">
<label for="use-default-terrain-for-all" style="display: inline">Use default terrain for all colours
initially</label>
</div>
<div class="row">
<label for="image-input">Load image</label>
<input type="file" id="image-input"/>
</div>
<div class="row">
<canvas id="myCanvas" width="101" height="101"
style="border:1px solid #000000;transform: matrix(1.8,-1,1.8,1,0,0);">
</canvas>
</div>
<div class="row">
Download script as
<button onclick="downloadSnippet()">snippet</button>
or
<button onclick="downloadStandalone()">standalone</button>
</div>
<div class="lds-roller hidden" id="spinner">
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</div>
<div id="options"></div>
<hr>
<p>Made by <a href="https://aoe2.se" rel="author">Siege Engineers</a>. You can contribute
to this project on <a href="https://github.com/SiegeEngineers/image-to-rms" rel="nofollow">GitHub</a>.
</p>
<script src="choices.min.js"></script>
<script src="colour.js"></script>
<script type="text/javascript">
const defaultTerrainChoice = new Choices('#default-terrain', {items: []});
const colourChoices = [];
const colours = [];
let terrains = [];
let terraincolours = {};
const gatherTerrains = (terraincolours) => {
const terrains = []
for (let key in terraincolours) {
if (!terraincolours.hasOwnProperty(key)) {
return;
}
const rgbcolour1 = `rgb(${terraincolours[key][0][0]},${terraincolours[key][0][1]},${terraincolours[key][0][2]})`;
const rgbcolour2 = `rgb(${terraincolours[key][1][0]},${terraincolours[key][1][1]},${terraincolours[key][1][2]})`;
const rgbcolour3 = `rgb(${terraincolours[key][2][0]},${terraincolours[key][2][1]},${terraincolours[key][2][2]})`;
const colourstring = `<span style="color:${rgbcolour1};">⬤</span>\
<span style="color:${rgbcolour2};">⬤</span>\
<span style="color:${rgbcolour3};">⬤</span> ${key}`;
terrains.push({value: key, label: colourstring});
}
return terrains;
}
const TOP = (baseTerrain, playerLandTerrain) => `/* ****************************************************** */
<PLAYER_SETUP>
random_placement
/* ****************************************************** */
<LAND_GENERATION>
base_terrain ${baseTerrain}
create_player_lands
{
terrain_type ${playerLandTerrain}
border_fuzziness 1
land_percent 1
base_size 1
}
/* ****************************************************** */
`;
const BOTTOM = `
/* ****************************************************** */
<OBJECTS_GENERATION>
create_object TOWN_CENTER
{
set_place_for_every_player
group_placement_radius 1
min_distance_to_players 0
max_distance_to_players 0
}
create_object VILLAGER
{
set_place_for_every_player
group_placement_radius 3
min_distance_to_players 3
max_distance_to_players 5
}
if REGICIDE
create_object KING
{
set_place_for_every_player
min_distance_to_players 6
max_distance_to_players 7
}
endif
/* ****************************************************** */
`;
const TEMPLATE = (terrain, x, y) => `create_land
{
terrain_type ${terrain}
land_position ${x} ${y}
base_size 1
number_of_tiles 0
}
`;
const downloadSnippet = () => {
const snippet = getSnippet();
download('image-to-rms-snippet.rms', snippet);
}
const downloadStandalone = () => {
const defaultTerrain = defaultTerrainChoice.getValue(true);
const top = TOP(defaultTerrain, defaultTerrain);
const snippet = getSnippet();
download('image-to-rms-standalone.rms', top + snippet + BOTTOM);
}
const download = (filename, text) => {
const element = document.createElement('a');
element.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(text));
element.setAttribute('download', filename);
element.style.display = 'none';
document.body.appendChild(element);
element.click();
document.body.removeChild(element);
}
const getSnippet = () => {
const c = document.getElementById("myCanvas");
const ctx = c.getContext("2d");
const imgd = ctx.getImageData(0, 0, 101, 101);
const pix = imgd.data;
const dict = {};
let rms = '';
const rbgtoterrain = {};
for (let i = 0; i < colours.length; i++) {
const rgbcolour = colours[i];
rbgtoterrain[rgbcolour] = document.getElementById('colour-select-' + i).value;
}
for (let x = 0; x < 101; x++) {
for (let y = 0; y < 101; y++) {
const i = (y * 101 + x) * 4;
const r = pix[i];
const g = pix[i + 1];
const b = pix[i + 2];
const a = pix[i + 3];
const str = `${r}/${g}/${b}`;
if (!dict.hasOwnProperty(str)) {
dict[str] = 0;
}
dict[str]++;
const index = `${r}/${g}/${b}`;
const terrain = rbgtoterrain[index];
if (terrain !== 'NONE') {
rms += TEMPLATE(terrain, x, y);
}
}
}
return rms;
}
const getTerrainsWithClosestColour = (rgb) => {
const closestTerrains = [];
let currentDelta = 9999999;
for (let terrain in terraincolours) {
const terrainColour = terraincolours[terrain][1];
const imageColour = fromSlashString(rgb);
const delta = deltaErgb(terrainColour, imageColour);
if (delta === currentDelta) {
closestTerrains.push(terrain);
} else if (delta < currentDelta) {
currentDelta = delta;
closestTerrains.length = 0;
closestTerrains.push(terrain);
}
}
return closestTerrains;
}
fetch('terraincolours.json')
.then((result) => result.json())
.then((tcs) => {
terraincolours = tcs;
terrains = gatherTerrains(tcs);
defaultTerrainChoice.setChoices(terrains,
'value',
'label',
false,
);
defaultTerrainChoice.setChoiceByValue(['GRASS']);
});
const toSlashString = (r, g, b) => {
return `${r}/${g}/${b}`;
}
const fromSlashString = (str) => {
const items = str.split('/');
return [parseInt(items[0]), parseInt(items[1]), parseInt(items[2])];
}
const autocolour = (i) => {
const closestColours = getTerrainsWithClosestColour(colours[i]);
const choicesItem = colourChoices[i];
choicesItem.setChoiceByValue([closestColours[Math.floor(Math.random() * closestColours.length)]]);
}
const quantize = value => (value / 32 >> 0) * 32;
document.getElementById('image-input').onchange = ev => {
const file = ev.target.files[0];
if (file.type !== 'image/png') {
alert('Please select a png file!');
return;
}
document.getElementById('spinner').classList.remove('hidden');
const reader = new FileReader();
reader.onload = event => {
const img = new Image();
img.src = event.target.result;
img.onload = () => {
const c = document.getElementById("myCanvas");
const ctx = c.getContext("2d");
ctx.clearRect(0, 0, c.width, c.height);
ctx.drawImage(img, 0, 0, 101, 101);
const imageData = ctx.getImageData(0, 0, 101, 101);
const pix = imageData.data;
let dict = {};
for (let x = 0; x < 101; x++) {
for (let y = 0; y < 101; y++) {
const i = (y * 101 + x) * 4;
const r = pix[i];
const g = pix[i + 1];
const b = pix[i + 2];
const a = pix[i + 3];
const str = toSlashString(r, g, b);
if (!dict.hasOwnProperty(str)) {
dict[str] = 0;
}
dict[str]++;
}
}
let colourCount = Object.keys(dict).length;
if (colourCount > 200) {
const result = confirm('You are trying to load an image with ' + colourCount + ' distinct colours. That\'s a lot. There are only ' + terrains.length + ' terrains available.\nWe will apply a naive colour reduction algorithm first.\nDo you want to continue with that?');
if (!result) {
document.getElementById('spinner').classList.add('hidden');
return;
}
dict = {};
for (let x = 0; x < 101; x++) {
for (let y = 0; y < 101; y++) {
const i = (y * 101 + x) * 4;
const r = imageData.data[i] = quantize(pix[i]);
const g = imageData.data[i + 1] = quantize(pix[i + 1]);
const b = imageData.data[i + 2] = quantize(pix[i + 2]);
const a = imageData.data[i + 3] = Math.ceil(pix[i + 3]);
const str = toSlashString(r, g, b);
if (!dict.hasOwnProperty(str)) {
dict[str] = 0;
}
dict[str]++;
}
}
ctx.putImageData(imageData, 0, 0, 0, 0, 101, 101);
alert(`${Object.keys(dict).length} unique colour values remaining`);
} else if (colourCount > terrains.length) {
alert('You are trying to load an image with ' + colourCount + ' distinct colours.\nThere are only ' + terrains.length + 'terrains available.\nSurely, you know what you are doing. GLHF!');
}
const options = document.getElementById('options');
options.innerHTML = '';
const sorted = Object.entries(dict).sort(([, a], [, b]) => b - a);
const ul = document.createElement('ul');
options.appendChild(ul);
colours.length = 0;
let index = 0;
for (let item of sorted) {
const colour = item[0];
colours.push(colour);
const rgbcolour = 'rgb(' + colour.replaceAll('/', ',') + ')';
const li = document.createElement('li');
li.innerHTML = `<span style="color:${rgbcolour};">⬤</span> ${colour}: ${item[1]} <select id="colour-select-${index}"></select> <button onclick="autocolour(${index})">Auto-Colour</button>`;
ul.appendChild(li);
index++;
}
const defaultTerrain = defaultTerrainChoice.getValue(true);
let choices = [{value: 'NONE', label: 'NONE'}, ...terrains];
colourChoices.length = 0;
for (let i = 0; i < colours.length; i++) {
const choicesItem = new Choices('#colour-select-' + i, {choices: choices});
choicesItem.setChoiceByValue([defaultTerrain]);
colourChoices.push(choicesItem);
}
if (!document.getElementById('use-default-terrain-for-all').checked) {
for (let i = 0; i < colours.length; i++) {
autocolour(i);
}
}
document.getElementById('spinner').classList.add('hidden');
}
}
reader.readAsDataURL(file);
}
</script>
</body>
</html>