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<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
<script type="module" src="./games.js"></script>
<title>Jam Framing Test</title>
<style>
body {
overflow: hidden;
margin: 0px;
width: 100vw;
height: 100vh;
background-color: darkgrey;
}
.jam-hidden {
visibility: hidden;
}
#jam-titlescreen {
position: fixed;
top: 0px;
bottom: 0px;
right: 0px;
left: 0px;
color: white;
background-color: black;
z-index: 2;
}
#jam-iframe-parent {
display: grid;
grid-template-columns: 100%;
grid-template-rows: 100%;
justify-items: center;
align-items: center;
width: 100%;
height: 100%;
margin: 0px;
}
#jam-iframe-parent iframe {
grid-area: 1 / 1 / 2 / 2;
transform-origin: center;
transform: scale(1);
padding: 0px;
border: 0px;
}
#jam-framing-iframe {
z-index: 1;
pointer-events: none;
}
</style>
</head>
<body>
<div id="jam-titlescreen">
click to continue
</div>
<div id="jam-iframe-parent">
<iframe id="jam-framing-iframe" width="480" height="320" src="./framing/dist/index.html"></iframe>
</div>
<script type="module">
let microgames = window.MICROGAMES.map(g => ({url: g, loaded: null, ready: false}));
let framing = document.getElementById("jam-framing-iframe");
let microgame_index = 0;
let waiting_to_start = null;
let iframe_parent = document.getElementById("jam-iframe-parent");
let iframes =[ ...Array(5).keys()].map(i => {
let elem = document.createElement("iframe")
elem.id = `jam-game-iframe-${i}`;
elem.classList.add("jam-hidden");
elem.width = 240;
elem.height = 160;
elem.src = "about:blank";
iframe_parent.appendChild(elem);
return elem;
});
function resizeView() {
let least_ratio = Math.min(Math.floor(window.innerWidth / 480), Math.floor(window.innerHeight / 320));
let factor = Math.max(1, least_ratio);
for (let i of iframes) {
i.style["transform"] = `scale(${factor})`;
}
framing.style["transform"] = `scale(${factor})`;
}
function loadGame(i) {
if (!microgames[i].loaded) {
console.log(`loading: ${i}`)
for (let iframe of iframes) {
if (iframe.src == "about:blank") {
iframe.src = microgames[i].url;
console.log(`setting src ${iframe.src}`);
microgames[i].loaded = iframe;
return;
}
}
}
}
function unloadGame(i) {
if (microgames[i] && microgames[i].loaded) {
console.log(`unloading: ${i}`)
microgames[i].loaded.src = "about:blank";
microgames[i].loaded = null;
microgames[i].ready = false;
}
}
function loadUpcomingGames() {
let first = true;
let to_load = Math.min(5, microgames.length);
for (let i = (microgame_index + to_load) % microgames.length; i != microgame_index; i = (i + 1) % microgames.length) {
unloadGame(i)
}
for (let off = 0; off < to_load; ++off) {
let i = (microgame_index + off) % microgames.length;
loadGame(i)
}
}
function startGame(idx) {
console.log(`actually starting game: ${idx}`);
waiting_to_start = null;
const resp = {op: "start", difficulty: 1.0};
microgames[idx].loaded.contentWindow.postMessage(resp);
microgames[idx].loaded.contentWindow.lcolonqJamStart = resp.difficulty;
microgames[idx].loaded.classList.remove("jam-hidden");
}
function startNextGameIfReady() {
loadUpcomingGames();
for (let i of iframes) { i.classList.add("jam-hidden"); }
microgame_index += 1;
microgame_index %= microgames.length;
console.log(`attempting to start next game: ${microgame_index}`);
if (microgames[microgame_index].ready) {
startGame(microgame_index);
} else {
console.log(`delaying start until game is ready!`);
waiting_to_start = microgame_index;
}
}
resizeView();
window.addEventListener("resize", resizeView);
for (let i of iframes) {
i.addEventListener("load", () => {
i.contentDocument.body.style["overflow"] = "hidden";
i.contentDocument.body.style["image-rendering"] = "pixelated";
});
}
window.addEventListener("message", ev => {
console.log(`received message: ${ev.data.op} (from ${ev.source.location.href})`);
switch (ev.data.op) {
case "ready":
for (let mi = 0; mi < microgames.length; ++mi) {
let mg = microgames[mi];
if (mg.loaded && ev.source.location.href === mg.loaded.src) {
mg.ready = true;
if (waiting_to_start === mi) {
console.log(`delayed game is ready, starting...`);
startGame(mi);
}
}
}
break;
case "started":
framing.contentWindow.postMessage({op: "startgame"});
microgames[microgame_index].loaded.contentWindow.focus();
break;
case "done":
framing.contentWindow.postMessage({op: "endgame", win: ev.data.win});
startNextGameIfReady();
break;
default: console.log(`unknown event: ${ev}`); break;
}
});
let titlescreen = document.getElementById("jam-titlescreen");
titlescreen.addEventListener("click", () => {
titlescreen.classList.add("jam-hidden");
startNextGameIfReady();
});
</script>
</body>
</html>
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