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add support for load from url

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This commit is contained in:
Dennis Ranke
2021-12-19 00:12:26 +01:00
parent 0d0ecdc344
commit a41f9ebe4d
2 changed files with 61 additions and 57 deletions
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2
site/static/v0.1pre4/index.html
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File diff suppressed because one or more lines are too long

116
web/src/main.js
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@@ -24,40 +24,39 @@ let pad = 0;
let keyHandler = (e) => {
let isKeyDown = e.type == 'keydown';
let mask;
switch(e.code) {
case 'ArrowUp':
mask = 1;
break;
case 'ArrowDown':
mask = 2;
break;
case 'ArrowLeft':
mask = 4;
break;
case 'ArrowRight':
mask = 8;
break;
case 'KeyZ':
mask = 16;
break;
case 'KeyX':
mask = 32;
break;
case 'KeyA':
mask = 64;
break;
case 'KeyS':
mask = 128;
break;
case 'KeyR':
if(isKeyDown)
{
runModule(currentData);
}
break;
switch (e.code) {
case 'ArrowUp':
mask = 1;
break;
case 'ArrowDown':
mask = 2;
break;
case 'ArrowLeft':
mask = 4;
break;
case 'ArrowRight':
mask = 8;
break;
case 'KeyZ':
mask = 16;
break;
case 'KeyX':
mask = 32;
break;
case 'KeyA':
mask = 64;
break;
case 'KeyS':
mask = 128;
break;
case 'KeyR':
if (isKeyDown) {
runModule(currentData);
}
break;
}
if(isKeyDown) {
if (isKeyDown) {
pad |= mask;
} else {
pad &= ~mask;
@@ -66,7 +65,7 @@ let keyHandler = (e) => {
window.onkeydown = keyHandler;
window.onkeyup = keyHandler;
async function runModule(data) {
async function runModule(data, keepUrl) {
if (cancelFunction) {
cancelFunction();
cancelFunction = null;
@@ -82,15 +81,16 @@ async function runModule(data) {
currentData = data;
let newURL = window.location.pathname;
if (cartridgeSize <= 1024) {
if (cartridgeSize <= 1024 && !keepUrl) {
let dataString = '';
for (let byte of U8(data)) {
dataString += String.fromCharCode(byte);
}
newURL += '#' + btoa(dataString);
}
if (newURL != window.location.pathname + window.location.hash) {
history.pushState(null, null, newURL);
if (newURL != window.location.pathname + window.location.hash) {
history.pushState(null, null, newURL);
}
}
screen.width = screen.width;
@@ -139,7 +139,7 @@ async function runModule(data) {
let platform_instance = await loadModuleURL(platformUrl);
for(let name in platform_instance.exports) {
for (let name in platform_instance.exports) {
importObject.env[name] = platform_instance.exports[name]
}
@@ -163,29 +163,29 @@ async function runModule(data) {
try {
let now = Date.now();
let restart = false;
if(now >= nextFrame) {
if (now >= nextFrame) {
let gamepads = navigator.getGamepads();
let gamepad = 0;
for(let i = 0; i < 4; ++i) {
for (let i = 0; i < 4; ++i) {
let pad = gamepads[i];
if(!pad) {
if (!pad) {
continue;
}
for(let j = 0; j < 8; ++j) {
let buttonIdx = (j+12) % 16;
if(pad.buttons.length > buttonIdx && pad.buttons[buttonIdx].pressed) {
for (let j = 0; j < 8; ++j) {
let buttonIdx = (j + 12) % 16;
if (pad.buttons.length > buttonIdx && pad.buttons[buttonIdx].pressed) {
gamepad |= 1 << (i * 8 + j);
}
}
if(pad.axes.length > 1) {
for(let j = 0; j < 4; ++j) {
let v = pad.axes[1-(j>>1)];
if(((j & 1) ? v : -v) > 0.5) {
if (pad.axes.length > 1) {
for (let j = 0; j < 4; ++j) {
let v = pad.axes[1 - (j >> 1)];
if (((j & 1) ? v : -v) > 0.5) {
gamepad |= 1 << (i * 8 + j);
}
}
}
if(pad.buttons.length > 9 && pad.buttons[9].pressed) {
if (pad.buttons.length > 9 && pad.buttons[9].pressed) {
restart = true;
}
}
@@ -203,8 +203,8 @@ async function runModule(data) {
canvasCtx.putImageData(imageData, 0, 0);
nextFrame = Math.max(nextFrame + timePerFrame, now);
}
if(restart) {
if (restart) {
runModule(currentData);
} else {
window.requestAnimationFrame(mainloop);
@@ -220,14 +220,18 @@ async function runModule(data) {
}
}
async function runModuleFromURL(url) {
runModule(await (await fetch(url)).arrayBuffer());
async function runModuleFromURL(url, keepUrl) {
runModule(await (await fetch(url)).arrayBuffer(), keepUrl);
}
function runModuleFromHash() {
let base64Data = window.location.hash.slice(1);
if (base64Data.length > 0) {
runModuleFromURL('data:;base64,' + base64Data);
let hash = window.location.hash.slice(1);
if (hash.length > 0) {
if (hash.startsWith("url=")) {
runModuleFromURL(hash.slice(4), true);
} else {
runModuleFromURL('data:;base64,' + hash);
}
} else {
runModule(new ArrayBuffer(0));
}