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index.html
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<!DOCTYPE html>
<html>
<head>
<title>Minecraft Stronghold Triangulator</title>
<meta charset="UTF-8">
<meta name="description" content="Triangulate (locate) your Minecraft strongholds using Eye of Ender, F3+C (as of 1.13) and this easy to use web based tool.">
<meta name="keywords" content="Minecraft,Stronghold,Eye of Ender,Locate,Find,F3 C,F3+C,Triangulate,Triangulation">
<!-- Google Analytics -->
<script>
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
})(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
ga('create', 'UA-72581362-2', 'auto');
ga('send', 'pageview');
</script>
<!-- End Google Analytics -->
<script src='/common-lib/core/core.js'></script>
<script src='/common-lib/core/observable.js'></script>
<script src='js-lib/jquery-3.3.1.min.js'></script>
<script src='/common-lib/math/numeric-1.2.6.min.js'></script>
<script src='/common-lib/math/matrix.js'></script>
<script src='/common-lib/math/vector.js'></script>
<script src='/common-lib/drawing/drawing.js'></script>
<script src='/common-lib/drawing/coordinate_plane.js'></script>
<script src='/common-lib/drawing/canvas_helpers.js'></script>
<style>
html, body{
margin:0;
padding:0;
display: block;
border: 0;
height: 100%
}
body{
display: grid;
grid-template-columns: auto 300px;
color: #333;
font-family: "Lucida Sans Unicode", "Lucida Grande", sans-serif;
}
#rightbar{
background-color: #f0f0f0;
padding: 5px;
border-left: 1px solid lightgray;
box-shadow: -1px 0 2px #0002;
position: relative;
}
#rightbar label{
font-weight:bold;
}
#rightbar .input-caption{
font-size: 0.8em;
}
#rightbar a{
font-size: 0.8em;
}
.canvas-container{
min-width: 400px;
min-height: 200px;
position:relative;
height: 100%;
width: 100%;
}
.canvas-container > * {
position:absolute;
top:0;
left:0;
bottom:0;
right:0;
display: block;
height: 100%;
width: 100%;
}
.canvas-overlay {
pointer-events: none
}
.overlay-footer{
position:absolute;
bottom: 0;
padding: 8px;
vertical-align: bottom;
box-sizing: border-box;
width: 100%;
}
#trig_input{
box-sizing: border-box;
width: 100%;
display:block;
font-size: .8em;
resize: vertical;
overflow-y: scroll;
}
.pos{
padding: .25em .5em;
background-color: floralwhite;
border-radius: 1em;
box-shadow: 0 1px 2px #0003;
display:inline-block;
color: #795548;
}
.pos label{
text-align: center;
width: 100%;
display: inline-block;
font-size: .7em;
border-bottom: 1px solid #0002;
}
.pos .coords{
font-size: .9em;
}
.draw-scale{
float:right;
}
#upvote_touch{
font-size: 0.7em;
}
#reset_view{
background: linear-gradient(#d8d8d8, #bfbfbf 42%, #d8d8d8 75%);
font-size: .8em;
color: #fefefe;
padding: 0 .5em;
border-radius: .5em;
text-shadow: 0 1px 2px black;
box-shadow: inset 0 2px 2px #999;
cursor: pointer;
float: right;
margin: .2em;
}
#reset_view:hover{
box-shadow: inset 0 2px 2px white, inset 0 -2.5px 2px white;
}
</style>
</head>
<body>
<div class='canvas-container'>
<canvas id='board'></canvas>
<div class='canvas-overlay'>
<div style='overflow:hidden;width:1px;height:1px;left:0;bottom:0'><textarea id='clipboard_buffer' style='display:inline-block;color:white;font-size:1px'></textarea></div>
<div class='overlay-footer'>
<span class='pos'>
<label for='overworld_pos'>overworld</label>
<div class='coords' id='overworld_pos'>????, ????</div>
</span>
<span class='pos'>
<label for='nether_pos'>nether</label>
<div class='coords' id='nether_pos'>????, ????</div>
</span>
<span class='pos draw-scale'>
<label for='zoom'>zoom</label>
<div class='coords' id='zoom'>??:??</div>
</span>
</div>
</div>
</div>
<div id='rightbar'>
<label for='trig_input'>Triangulation Inputs</label><br />
<div class='input-caption'>For instructions see the <a id='readme_link' href='https://github.com/ens-gijs/minecraft-stronghold-locator/blob/gh-pages/README.md' target='_blank'>Readme</a> on GitHub.
<div id='upvote_touch'>This site does not support Mobile Devices / Touch.<br />
Upvote <a href='https://github.com/ens-gijs/minecraft-stronghold-locator/issues/1' target='_blank'>this issue</a> if you would like to see support added.</div>
</div>
<textarea id='trig_input' rows='20'>
#SteelBlue
7554 -2459 146.8
7622 -2591 142
7423 -3108 134.8
#Blue
6564 ~ -3947
#DarkOrchid
/execute in overworld run tp @s -8839.15 69.00 -4709.39 115.29 -29.79
/execute in overworld run tp @s -9237.95 90.00 -5091.29 -1334.01 -31.06
#Magenta
-1284 ~ -673 N
-- More Sample Colors
#SteelBlue
#Blue
#DarkOrchid
#Magenta
#MediumSpringGreen
#Orange
#DeepPink
#SlateBlue
#Lime
</textarea>
<a id='web_color_link' href='https://en.wikipedia.org/wiki/Web_colors' target='_blank'>Web Colors</a>
<span id='reset_view'>Reset View</span>
<!--
#blue
-413 12 88.88
-427 249 108.687
-546 292 116.48
-923 274 150.38
#purple
0 1000 -146
500 0 18.98
500 500 71.78
400 700 142
# rgba(255, 0, 127, 0.5)
500 -500 96
300 -600 -34.4
300 -300 -165.2
-->
</div>
<script>
const float_pattern = /^[-+]?(?:\d+(?:[.](?:\d*)?)?|[.]\d+)$/;
// Controls the length of the ray line (has no affect on ray-cones)
var LONG_RAY_LENGTH = 25000;
function putToClipboard(data){
$('#clipboard_buffer').text(data).select();
document.execCommand("copy");
}
var __LS_cache = {};
function putToLocalStorage(key, data){
var s = JSON.stringify(data);
if(s != __LS_cache[key]) {
localStorage.setItem(key, s);
__LS_cache[key] = s;
//console.log('stored', key);
}
}
function getFromLocalStorage(key, default_value){
var s = localStorage.getItem(key);
if(!s) return default_value;
return JSON.parse(s);
}
var canvas;
var user_ops = [];
const stronghold_rings = [
// start, end, count
[1408, 2688, 3],
[4480, 5760, 6],
[7552, 8832, 10],
[10624, 11904, 15],
[13696, 14976, 21],
[16768, 18048, 28],
[19840, 21120, 36],
[22912, 24192, 9]
];
function drawStrongholdRings(){
canvas.save();
canvas.fillStyle = '#8fbc8b20';
canvas.beginPath();
for(var i = 0; i < stronghold_rings.length; ++ i) {
var ring = stronghold_rings[i];
canvas.arc(0, 0, ring[1], 0, Math.PI * 2, false);
canvas.arc(0, 0, ring[0], 0, Math.PI * 2, true);
}
canvas.fill();
canvas.restore();
};
function drawAxis(){
const axis_reach = 50000; // 2**10 * 32;
const axis_color = '#80000022';
const tick_a_step = 100; // 16;
const tick_b_step = tick_a_step *10; // * 32
const tick_a_color = '#00000008';
const tick_b_color = '#00008010';
const tick_a_weight = 0.5;
const tick_b_weight = 1;
var x_axis = new ross.drawing.LineSegment(-axis_reach,0,axis_reach,0);
var y_axis = new ross.drawing.LineSegment(0,-axis_reach,0,axis_reach);
canvas.save();
canvas.lineWidth = 2;
x_axis.draw(canvas, axis_color);
y_axis.draw(canvas, axis_color);
if(canvas.getScale() > 1/90){
var pxa, pxb, pya, pyb, col;
let tick_step = canvas.getScale() > 0.02 ? tick_a_step : tick_b_step;
for(var i = tick_step; i <= axis_reach; i += tick_step){
col = i % tick_b_step === 0 ? tick_b_color : tick_a_color;
canvas.lineWidth = i % tick_b_step === 0 ? tick_b_weight : tick_a_weight;
pxa = new ross.drawing.LineSegment(i, -axis_reach, i, axis_reach);
pxb = new ross.drawing.LineSegment(-i, -axis_reach, -i, axis_reach);
pya = new ross.drawing.LineSegment(-axis_reach, i, axis_reach, i);
pyb = new ross.drawing.LineSegment(-axis_reach, -i, axis_reach, -i);
pxa.draw(canvas, col);
pxb.draw(canvas, col);
pya.draw(canvas, col);
pyb.draw(canvas, col);
}
}
canvas.restore();
}
function getBlockCoord(p){
var x=p.x|0,z=p.y|0;
if(x!=p.x&&p.x<0)x--;
if(z!=p.y&&p.y<0)z--;
return new ross.drawing.Point(x,z);
}
function drawSingleBlock(p, color){
p = getBlockCoord(p);
canvas.save();
canvas.beginPath()
canvas.rect(p.x, p.y, 1, 1);
canvas.strokeStyle = color;
canvas.stroke();
canvas.restore();
}
function drawBlockGrid(center_p, width, height, color){
var p = getBlockCoord(center_p);
width = width |0;
height = height |0;
var xmin = p.x - (width / 2 |0);
var xmax = p.x + ((width + 1) / 2 |0);
var zmin = p.y - (height / 2 |0);
var zmax = p.y + ((height + 1) / 2 |0);
var line = new ross.drawing.LineSegment(0, zmin, 0, zmax);
for(var x = xmin; x <= xmax; ++x) {
line.p1.x = line.p2.x = x;
line.draw(canvas, color);
}
line.p1.x = xmin;
line.p2.x = xmax;
for(var z = zmin; z <= zmax; ++z) {
line.p1.y = line.p2.y = z;
line.draw(canvas, color);
}
}
function drawBlockGridCircle(center_p, radius, color){
var p = getBlockCoord(center_p);
var min_p = getBlockCoord({x:center_p.x - radius, y:center_p.y - radius});
var max_p = getBlockCoord({x:center_p.x + radius+1, y:center_p.y + radius+1});
var xmin = min_p.x;
var xmax = max_p.x;
var zmin = min_p.y;
var zmax = max_p.y;
canvas.save();
canvas.strokeStyle = color;
canvas.beginPath();
var lw = canvas.lineWidth;
canvas.lineWidth = 0.25;
canvas.arc(center_p.x, center_p.y, radius, 0, Math.PI * 2);
canvas.stroke();
canvas.lineWidth = lw;
canvas.clip();
if(canvas.getScale() >= 1.0){
var line = new ross.drawing.LineSegment(0, zmin, 0, zmax);
for(var x = xmin; x <= xmax; ++x) {
line.p1.x = line.p2.x = x;
line.draw(canvas, color);
}
line.p1.x = xmin;
line.p2.x = xmax;
for(var z = zmin; z <= zmax; ++z) {
line.p1.y = line.p2.y = z;
line.draw(canvas, color);
}
} else {
canvas.fillStyle = color;
canvas.globalAlpha = 0.5;
canvas.fill();
}
canvas.restore();
}
function OpDrawPoint(x, z, color, handle){
this.point = new ross.drawing.Point(x, z);
this.color = color;
this.handle = handle;
}
OpDrawPoint.prototype = {
exec(){
this.point.draw(canvas, this.color, 50);
if(canvas.getScale() >= 0.1) {
canvas.save();
canvas.globalAlpha = 0.33;
drawBlockGridCircle(this.point, 12, this.color);
canvas.globalAlpha = 1;
canvas.lineWidth = 2;
drawSingleBlock(this.point, this.color);
canvas.restore();
if(this.handle && canvas.getScale() >= 0.2) {
canvas.save();
canvas.fillStyle = this.color;
canvas.font = '16px sans-serif';
canvas.textAlign = 'center';
canvas.fillText(this.handle, this.point.x, this.point.y - 75);
canvas.restore()
}
}
var rad = this.point.distanceTo({x:0, y:0});
if(rad < stronghold_rings[stronghold_rings.length-1][1]){
for(var i = 0; i < stronghold_rings.length; ++ i) {
var ring = stronghold_rings[i];
if(rad > ring[0] - 20 && rad < ring[1] + 20){
var start = this.point.vectorFrom({x:0, y:0}).angleDeg;
var end = start + 359;
var stride = 360 / ring[2];
var line = new ross.drawing.LineSegment(ring[0], 0, ring[1], 0);
for(var j = 0; j < ring[2]; ++j) {
canvas.save();
canvas.globalAlpha = 0.15;
canvas.rotate( ross.drawing.radians(start + j * stride) );
line.draw(canvas, this.color);
canvas.restore();
}
break;
}
}
}
}
};
function OpDrawRay(x, z, facing, color, handle){
this.ray = new ross.drawing.Ray(x, z, ross.drawing.radians(90 + facing));
this.dot = new ross.drawing.Arc(x, z, 0.2, 0, Math.PI * 2);
this.ring = new ross.drawing.Arc(x, z, 4, 0, Math.PI * 2);
this.color = color;
this.handle = handle;
}
OpDrawRay.prototype = {
_draw_cone(angle, alpha, cone_dist){
var na = new ross.drawing.Ray(this.ray);
var nb = new ross.drawing.Ray(this.ray);
na.rotate(ross.drawing.radians(-angle/2));
nb.rotate(ross.drawing.radians(angle/2));
cone_dist = cone_dist || 100000;
var cone = [
na.p1,
na.pointAtDistance(cone_dist),
nb.pointAtDistance(cone_dist)
];
canvas.save();
canvas.fillStyle = this.color;
canvas.globalAlpha = alpha || 0.1;
canvas.beginPath();
canvas.moveTo(cone[0].x, cone[0].y);
canvas.lineTo(cone[1].x, cone[1].y);
canvas.lineTo(cone[2].x, cone[2].y);
canvas.closePath();
canvas.fill();
canvas.beginPath();
canvas.restore();
},
exec(){
canvas.save();
canvas.lineWidth = 2;
canvas.globalAlpha = 0.2;
this.ray.draw(canvas, this.color, LONG_RAY_LENGTH);
//this.ring.draw(canvas, this.color);
canvas.globalAlpha = 0.33;
drawBlockGridCircle(this.dot.p1, 4, this.color);
canvas.globalAlpha = 1.0;
canvas.beginPath();
canvas.lineWidth = 0.5;
canvas.fillStyle = this.color;
this.dot.drawPath(canvas);
canvas.fill();
canvas.lineWidth = 2;
drawSingleBlock(this.ray.p1, this.color);
canvas.restore();
/*this._draw_cone(3, 0.05, 5000);
this._draw_cone(2, 0.075, 10000);
this._draw_cone(1, 0.10, 25000);
this._draw_cone(0.4, 0.25, 50000);*/
this._draw_cone(3, 0.05, 20000);
this._draw_cone(2, 0.075, 10000);
this._draw_cone(1, 0.10, 5000);
this._draw_cone(0.4, 0.25, 1000);
}
};
var draw = function(){
canvas.clear('#fcfcfc')
drawStrongholdRings();
drawAxis();
for(var i = 0; i < user_ops.length; ++ i) {
user_ops[i].exec();
}
};
$(function(){
var saved_input = getFromLocalStorage('trig_input');
if(saved_input) $('#trig_input').val(saved_input);
canvas = ross.drawing.canvas_helpers.initCanvas('#board', draw, {
default_scale: 0.1,
flip_y: false,
mouse_zoom_options: {
scale_factor: 1.05,
min_scale: 0.005,
max_scale: 128
}
});
$('#readme_link').click(function(){
ga('send', {
hitType: 'event',
eventCategory: 'Feature',
eventAction: 'View Readme'
});
});
$('#web_color_link').click(function(){
ga('send', {
hitType: 'event',
eventCategory: 'Feature',
eventAction: 'View Web Colors'
});
});
$('#upvote_touch a').click(function(){
ga('send', {
hitType: 'event',
eventCategory: 'Feature',
eventAction: 'Upvote Touch Issue',
eventValue: 1
});
});
$('#reset_view').click(function(){
canvas.resetTransforms(true);
ga('send', {
hitType: 'event',
eventCategory: 'Map Action',
eventAction: 'Reset View'
});
});
function numfmt(v,hi_perc){
var s = '';
if(v < 0) {
v = -v;
s = '-';
}
s += (v|0);
if(hi_perc){
var k = (v * 10) % 10 |0;
s += '.' + k;
}
return s;
}
canvas.scale_changed_event.subscribe({}, function(scale){
putToLocalStorage('view_transform', canvas.getTransform());
var s = '';
//console.log(scale, Math.abs(scale*10+.5|0));
if(Math.abs(scale*10+.5|0) == 10) {
s = '1:1';
} else if(scale < 1) {
//s = numfmt(scale, 1) + 'x';
s = '1 / ' + ((1/scale*10+.5|0)/10);
} else {
//s = '1/' + numfmt(1/scale, 1) + 'x';
s = ((scale*10+.5|0)/10) + 'x';
}
$('#zoom').text(s);
});
// TODO: replace this with dragstop
canvas.mouseup_event.subscribe({}, function(p, e){
putToLocalStorage('view_transform', canvas.getTransform());
});
canvas.mousemove_event.subscribe({}, function(p, e){
var hi_perc = canvas.getScale() > 5;
var f = numfmt;
$('#overworld_pos').text(f(p.x,hi_perc) + ', ' + f(p.y,hi_perc));
$('#nether_pos').text(f(p.x/8,hi_perc) + ', ' + f(p.y/8,hi_perc));
});
canvas.mousedblclick_event.subscribe({}, function(p, e){
let world;
if( e.altKey ) {
world = 'Nether';
var loc = (p.x/8|0) + ' ~ ' + (p.y/8|0) + ' N';
} else {
world = 'Overworld';
var loc = (p.x|0) + ' ~ ' + (p.y|0);
}
putToClipboard(loc);
ga('send', {
hitType: 'event',
eventCategory: 'Clipboard',
eventAction: 'Copy ' + world + ' Coords'
});
//console.log(loc);
});
var saved_transform = getFromLocalStorage('view_transform');
if(saved_transform)
canvas.setTransform(saved_transform);
draw();
canvas.scale_changed_event.trigger(canvas.getScale());
var first_draw = true;
$('#trig_input').keyup(function(){
var last_ops = JSON.stringify(user_ops);
user_ops = [];
var input_text = $(this).val();
putToLocalStorage('trig_input', input_text);
var m;
var active_color = 'gray';
// var lines = input_text.split(/\s*$\s*/m);
var lines = input_text.split(/$/m);
var handle = null;
for(var i = 0; i < lines.length; ++ i) {
var line = lines[i].trim();
var tokens = line.split(/\s+/);
var dimension = 'overworld';
var dimension_scale = 1;
// /execute in overworld run tp @s 5998.44 11.00 -4644.54 550.07 90
if(tokens[0] == '/execute' && tokens[3] == 'run'){
dimension = tokens[2];
tokens = tokens.slice(4);
tokens[0] = '/' + tokens[0];
}
if(dimension == 'the_nether')
dimension_scale = 8;
function isNumeric(i){
return !!float_pattern.exec(tokens[i]);
}
if(!line){
handle = null;
} else if(line.startsWith('--')){
// comment
} else if(line.startsWith('!-')){
// handle
handle = line.substr(2).trim();
} else if(line[0] == '#') {
active_color = line.substr(1).trim() || 'gray';
} else if(tokens[0] == '/tp') {
if(tokens.length == 7) {
var words = {
x: parseFloat(tokens[2]) * dimension_scale,
y: parseFloat(tokens[3]),
z: parseFloat(tokens[4]) * dimension_scale,
f: parseFloat(tokens[5]),
t: parseFloat(tokens[6]),
};
if(words.t >= 89){ // looking down
user_ops.push(new OpDrawPoint(
words.x,
words.z,
active_color,
handle
));
} else {
user_ops.push(new OpDrawRay(
words.x,
words.z,
words.f,
active_color,
handle
));
}
} else if(tokens.length >= 4) {
let kk = isNumeric(1) ? 0 : 1;
var words = {
x: parseFloat(tokens[1+kk]) * dimension_scale,
y: (isNumeric(+kk) ? parseFloat(tokens[2+kk]) : null),
z: parseFloat(tokens[3+kk]) * dimension_scale,
};
user_ops.push(new OpDrawPoint(
words.x,
words.z,
active_color,
handle
));
} else {
console.log(tokens);
}
} else {
if(tokens.length == 2) {
if(isNumeric(0) && isNumeric(1)) {
user_ops.push(new OpDrawPoint(
parseFloat(tokens[0]),
parseFloat(tokens[1]),
active_color,
handle
));
}
} else if(tokens.length == 3 || tokens.length == 4) {
if(tokens[3] == 'N' || tokens[3] == 'n'){
dimension == 'the_nether';
dimension_scale = 8;
}
if(tokens[1] == '~' && isNumeric(0) && isNumeric(2)){
user_ops.push(new OpDrawPoint(
parseFloat(tokens[0]) * dimension_scale,
parseFloat(tokens[2]) * dimension_scale,
active_color,
handle
));
} else if(isNumeric(0) && isNumeric(1) && isNumeric(2)) {
user_ops.push(new OpDrawRay(
parseFloat(tokens[0]) * dimension_scale,
parseFloat(tokens[1]) * dimension_scale,
parseFloat(tokens[2]),
active_color,
handle
));
}
}
}
}
canvas.redraw();
if(!first_draw){
var this_ops = JSON.stringify(user_ops);
if(last_ops != this_ops){
ga('send', {
hitType: 'event',
eventCategory: 'User Input',
eventAction: 'Changed',
eventValue: user_ops.length
});
}
} else {
first_draw = false;
}
}).keyup();
});
</script>
</body>
</html>
<!--
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376 1608
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1608 -1432
#Blue
3880 2600
344 -5576
#DarkOrchid
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#MediumSpringGreen
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#SlateBlue
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#lime
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-->