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play3e.html
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<html>
<head>
<link rel="icon"
type="image/png"
href="favicon.png">
<title>flickgame.org</title>
<style>
#header h1 {
padding:0;
margin:0;
line-height: 40px;
}
#header {
position:absolute;
left:0px;
right:0px;
top:0px;
height:40px;
background-color: black;
color:white;
text-align: center;
padding: 0px;
margin:0px;
border:0px;
}
a {
color:white;
}
#content {
position: absolute;
top:40px;
bottom:30px;
left:0px;
right:0px;
background-color: white;
text-align: center;
padding:0;
margin:0;
}
#content canvas {
top:0;
bottom:0;
left:0;
right:0;
padding: 0;
margin:0;
image-rendering: optimizeSpeed;
image-rendering: -moz-crisp-edges;
image-rendering: -webkit-optimize-contrast;
image-rendering: -o-crisp-edges;
image-rendering: pixelated;
-ms-interpolation-mode: nearest-neighbor;
}
#hackLink {
position: absolute;
right:10px;
float: right;
}
#homelink {
float: center;
}
#footer {
position:absolute;
left:0px;
right:0px;
bottom:0px;
height:30px;
margin:0;
padding:0;
background-color: black;
color:white;
text-align: center;
padding: 0;
line-height: 30px;
}
</style>
<script>
<!--__EmbedBegin__-->
var embeddedDat="__EMBED__";
<!--__EmbedEnd__-->
function getUrlVars() {
var vars = {};
var parts = window.location.href.replace(/[?&]+([^=&]+)=([^&]*)/gi,
function(m,key,value) {
vars[key] = value;
});
return vars;
}
var urlVars = getUrlVars();
var zoom=1;
var currentIndex=0;
var pages=100;
function redraw(){
console.log("resized "+window.innerWidth +"x"+window.innerHeight);
mainCanvas.width=mainCanvasContainer.clientWidth;
mainCanvas.height=mainCanvasContainer.clientHeight;
mainCanvasCtx.width=mainCanvasContainer.clientWidth;
mainCanvasCtx.height=mainCanvasContainer.clientHeight;
if (images.length>0){
mainCanvasCtx.imageSmoothingEnabled = false;
mainCanvasCtx.mozImageSmoothingEnabled = false;
mainCanvasCtx.oImageSmoothingEnabled = false;
mainCanvasCtx.webkitImageSmoothingEnabled = false;
mainCanvasCtx.msImageSmoothingEnabled = false;
var w = mainCanvasCtx.width;
var h = mainCanvasCtx.height;
var wd = w/200.0;
var hd = h/100.0;
zoom=1;
if (wd<hd){
zoom=wd;//Math.floor(wd);
} else {
zoom=hd;//Math.floor(hd);
}
if(zoom<1){
zoom=1;
}
var dx=(w-200*zoom)/2;
var dy=(h-100*zoom)/2;
mainCanvasCtx.fillStyle="#000000";
mainCanvasCtx.fillRect(0,0,w,h);
if (curCanvasToDraw===null){
mainCanvasCtx.drawImage(images[currentIndex],0,0,200,100,dx,dy,200*zoom,100*zoom);
} else {
mainCanvasCtx.drawImage(curCanvasToDraw,0,0,200,100,dx,dy,200*zoom,100*zoom);
}
} else {
mainCanvasCtx.fillStyle="#ff0000";
mainCanvasCtx.fillRect(0,0,mainCanvas.width/2,mainCanvas.height/2);
mainCanvasCtx.fillStyle="#00ff00";
mainCanvasCtx.fillRect(mainCanvas.width/2,0,mainCanvas.width/2,mainCanvas.height/2);
mainCanvasCtx.fillStyle="#ff00ff";
mainCanvasCtx.fillRect(0,mainCanvas.height/2,mainCanvas.width/2,mainCanvas.height/2);
mainCanvasCtx.fillStyle="#00ffff";
mainCanvasCtx.fillRect(mainCanvas.width/2,mainCanvas.height/2,mainCanvas.width/2,mainCanvas.height/2);
}
}
function getCoords(e) {
var x,y;
if(e.offsetX) {
x = e.offsetX;
y = e.offsetY;
}
else if(e.layerX) {
x = e.layerX;
y = e.layerY;
}
return [x,y];
}
var target=0;
function printNonZeros(a,stack){
var count=0;
for (var i=0;i<200;i++){
for (var j=0;j<100;j++){
if (a[j][i]!==null)
count++;
}
}
window.console.log(count + " non-zero entries.");
window.console.log("stack length " + stack.length+".");
}
var hex=['0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f']
function calcHeatmap(cal,col,fromCal){
var map = []
var stack = []
var c = hex[col]
//initialize
for (var j=0;j<100;j++){
for (var i=0;i<200;i++){
if (cal[i+200*j]===c){
var entry = [0,i,j]
map.push([0,i,j])
stack.push([i,j,0,i,j])
} else {
map.push(null)
}
}
}
//should replace this with a center of mass calculation from the old one
if (stack.length===0){
var cx=0;
var cy=0;
var count=0;
for (var i=0;i<200;i++){
for (var j=0;j<100;j++){
if (fromCal[i+200*j]===c){
cx+=i;
cy+=j;
count++;
}
}
}
if (count>0){
cx=Math.round(cx/count);
cy=Math.round(cy/count);
for (var j=0;j<100;j++){
for (var i=0;i<200;i++){
map[i+200*j]=[0,cx,cy];
}
}
}
}
//propagate
while(stack.length>0){
var entry = stack.shift();
//[fromx,fromy,dist,tox,toy]
var x0=entry[0];
var y0=entry[1];
var d0=entry[2];
var xtarget=entry[3];
var ytarget=entry[4];
var d1=d0+1;
var neighbours = [[x0-1,y0],[x0+1,y0],[x0,y0-1],[x0,y0+1]];
for (var i=0;i<4;i++){
var n = neighbours[i];
var nx=n[0];
var ny=n[1];
if (nx<0||ny<0||nx>=200||ny>=100){
continue;
}
var existing = map[nx+200*ny];
if (existing===null||d1<existing[0]){
map[nx+200*ny]=[d1,xtarget,ytarget]
stack.push([nx,ny,d1,xtarget,ytarget])
}
}
}
return map;
}
var curCanvasToDraw=null;
function nullScript(s){
return s==null || s=="" || s==0;
}
function mouseDown(e){
mouseMove(e);
if (!nullScript(target)){
runScript(target);
redraw();
mouseMove(e);
}
}
var gotoset=false;
function goto(t){
gotoset=true;
currentIndex=parseInt(t)-1;
}
function next(){
gotoset=true;
currentIndex++;
}
function skip(n){
gotoset=true;
currentIndex+=n;
}
function runScript(s){
gotoset=false;
var result = eval(s);
if (!gotoset){
if (result!=null){
goto(result);
}
}
}
function mouseMove(e){
if (gameState==null){
return;
}
var coords = getCoords(e);
var w = mainCanvasCtx.width;
var h = mainCanvasCtx.height;
var wd = w/200.0;
var hd = h/100.0;
zoom=1;
if (wd<hd){
zoom=wd;//Math.floor(wd);
} else {
zoom=hd;//Math.floor(hd);
}
if(zoom<1){
zoom=1;
}
var dx=(w-200*zoom)/2;
var dy=(h-100*zoom)/2;
var x=Math.floor((coords[0]-dx)/zoom);
var y=Math.floor((coords[1]-dy)/zoom);
target=0;
if(x>=0&&x<200&&y>=0&&y<100) {
var ch = gameState.imageDats[currentIndex][x+200*y];
var colIndex = parseInt(ch,16);
target=gameState.scripts[currentIndex][colIndex];
if (gameState.scripts[currentIndex][colIndex]!=0) {
mainCanvas.style.cursor="pointer";
} else {
mainCanvas.style.cursor="default";
}
} else {
mainCanvas.style.cursor="default";
}
}
var mainCanvas;
var mainCanvasCtx;
var mainCanvasContainer;
function init(){
window.addEventListener('resize', redraw, false);
mainCanvas=document.getElementById("mainCanvas");
mainCanvasCtx=mainCanvas.getContext("2d");
mainCanvasContainer=document.getElementById("content");
mainCanvas.addEventListener('mousemove', mouseMove,false);
mainCanvas.addEventListener('mousedown', mouseDown,false);
redraw();
getData();
}
var aurl = document.createElement('a');
function qualifyURL(url) {
aurl.href = url;
return aurl.href;
}
var gameState;
function loadState(code){
gameState=JSON.parse(code);
}
function getParameterByName(name) {
name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
results = regex.exec(location.search);
return results == null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
}
function strip_http(url) {
url = url.replace(/^https?:\/\//,'');
return url;
}
function getData(){
if (embeddedDat[0]!=='_'){
embeddedDat=decodeURI(embeddedDat);
loadState(embeddedDat);
var homepage=gameState.gameLink;
var homepageLink = document.getElementById("homeLink");
homepageLink.innerHTML=strip_http(homepage);
if (!homepage.match(/^https?:\/\//)) {
homepage = "http://" + homepage;
}
homepageLink.href = homepage;
renderImages();
return;
}
var id = getParameterByName("p").replace(/[\\\/]/,"");
if (id===null||id.length===0) {
console.log("No ID specified in URL.")
return;
}
var githubURL = 'https://api.github.com/gists/'+id;
var githubHTTPClient = new XMLHttpRequest();
githubHTTPClient.open('GET', githubURL);
githubHTTPClient.onreadystatechange = function() {
if(githubHTTPClient.readyState!=4) {
return;
}
var result = JSON.parse(githubHTTPClient.responseText);
if (githubHTTPClient.status===403) {
console.log(result.message);
} else if (githubHTTPClient.status!==200&&githubHTTPClient.status!==201) {
console.log("HTTP Error "+ githubHTTPClient.status + ' - ' + githubHTTPClient.statusText);
}
var result = JSON.parse(githubHTTPClient.responseText);
var code=result["files"]["game.txt"]["content"];
console.log(code);
loadState(code);
var homepage=gameState.gameLink;
var homepageLink = document.getElementById("homeLink");
homepageLink.innerHTML=strip_http(homepage);
if (!homepage.match(/^https?:\/\//)) {
homepage = "http://" + homepage;
}
homepageLink.href = homepage;
var hacklink = document.getElementById("hackLink");
var url = "index3.html?p="+id;
url=qualifyURL(url);
hacklink.href=url;
hacklink.innerHTML="⊡ edit";
renderImages();
}
githubHTTPClient.setRequestHeader("Content-type","application/x-www-form-urlencoded");
githubHTTPClient.send();
}
function RLE_decode(encoded) {
var output = "";
for (var i=0;i<encoded.length;i+=2) {
var count = encoded[i];
var ch = encoded[i+1];
for (var j=0;j<count;j++){
output+=ch;
}
}
return output;
}
var colorPalette = [
"#000000",
"#9D9D9D",
"#FFFFFF",
"#BE2633",
"#E06F8B",
"#493C2B",
"#A46422",
"#EB8931",
"#F7E26B",
"#2F484E",
"#44891A",
"#A3CE27",
"#1B2632",
"#005784",
"#31A2F2",
"#B2DCEF"
];
var images = new Array();
var imageCtxts = new Array();
function printCanvas(descriptionString){
var canvas = document.createElement('canvas');
canvas.width="200";
canvas.height="100";
var ctx=canvas.getContext("2d");
for (var j=0;j<descriptionString.length;j++){
var x = j%200;
var y = Math.floor(j/200);
var ch=descriptionString[j];
var colIndex = parseInt(ch,16);
ctx.fillStyle=colorPalette[colIndex];
ctx.fillRect(x,y,1,1);
}
return [canvas,ctx];
}
function renderImages(){
gameState.imageDats = new Array();
for (var i=0;i<pages;i++){
var descriptionArray = gameState.canvasses[i];
var descriptionString = RLE_decode(descriptionArray);
var canvas_context=printCanvas(descriptionString);
var canvas=canvas_context[0];
var ctx=canvas_context[1];
gameState.imageDats.push(descriptionString);
images.push(canvas);
imageCtxts.push(ctx);
}
redraw();
}
function goFullscreen(evt){
evt = evt || window.event;
if (evt.keyCode===70) { //f
var elem = document.getElementById("mainCanvas");
if (elem.requestFullscreen) {
elem.requestFullscreen();
} else if (elem.msRequestFullscreen) {
elem.msRequestFullscreen();
} else if (elem.mozRequestFullScreen) {
elem.mozRequestFullScreen();
} else if (elem.webkitRequestFullscreen) {
elem.webkitRequestFullscreen();
}
}
}
document.addEventListener("keydown", goFullscreen);
</script>
</head>
<body onload="init()" onkeydown="goFullscreen(event);">
<div id="header">
</div>
<p>
<div id="content">
<canvas id="mainCanvas"></canvas>
</div>
<p>
<div id="footer">
<a href="http://www.flickgame.org" id="hackLink"></a> <a id="homeLink" href="http://www.flickgame.org"></a>
</div>
</body>
</html>