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Save preload to FS directly

This commit is contained in:
Varun Patil 2020-10-20 11:32:31 +05:30
parent 1e5245668c
commit cc21a7a66c
4 changed files with 270 additions and 251 deletions
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84
extra/js/dpad.js Normal file
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@ -0,0 +1,84 @@
function simulateKeyEvent(eventType, keyCode, charCode) {
var e = document.createEventObject ? document.createEventObject() : document.createEvent("Events");
if (e.initEvent) e.initEvent(eventType, true, true);
e.keyCode = keyCode;
e.which = keyCode;
e.charCode = charCode;
// Dispatch directly to Emscripten's html5.h API (use this if page uses emscripten/html5.h event handling):
if (typeof JSEvents !== 'undefined' && JSEvents.eventHandlers && JSEvents.eventHandlers.length > 0) {
for(var i = 0; i < JSEvents.eventHandlers.length; ++i) {
if ((JSEvents.eventHandlers[i].target == Module['canvas'] || JSEvents.eventHandlers[i].target == window)
&& JSEvents.eventHandlers[i].eventTypeString == eventType) {
JSEvents.eventHandlers[i].handlerFunc(e);
}
}
} else {
// Dispatch to browser for real (use this if page uses SDL or something else for event handling):
Module['canvas'].dispatchEvent ? Module['canvas'].dispatchEvent(e) : Module['canvas'].fireEvent("on" + eventType, e);
}
}
// Mappings
const keyMap = {};
const keysDown = {};
/** Add virtual key binding */
function bindKey(elem, key) {
keyMap[elem] = key;
const ne = document.getElementById(elem);
ne.addEventListener('touchstart', function(e) {
e.preventDefault();
simulateKeyEvent('keydown', key);
keysDown[e.target.id] = elem;
});
ne.addEventListener('touchend', function(e) {
e.preventDefault();
if (keysDown[e.target.id] && keyMap[keysDown[e.target.id]]) {
simulateKeyEvent('keyup', keyMap[keysDown[e.target.id]]);
}
keysDown[e.target.id] = 0;
});
ne.addEventListener('touchmove', function(event) {
const myLocation = event.changedTouches[0];
const realTarget = document.elementFromPoint(myLocation.clientX, myLocation.clientY).id;
const origTarget = keysDown[myLocation.target.id];
if (origTarget !== realTarget) {
if (origTarget) {
simulateKeyEvent('keyup', keyMap[origTarget]);
keysDown[myLocation.target.id] = 0;
}
if (keyMap[realTarget]) {
simulateKeyEvent('keydown', keyMap[realTarget]);
keysDown[myLocation.target.id] = realTarget;
}
}
});
}
function is_touch_device() {
try {
document.createEvent("TouchEvent");
return true;
} catch (e) {
return false;
}
}
const resize = function() {
const el = document.getElementById('canvas');
if (window.innerHeight > window.innerWidth) {
el.style.height = 'unset';
el.style.width = '100%';
} else {
el.style.width = 'unset';
el.style.height = '100%';
}
}
window.addEventListener('resize', resize);
window.addEventListener('load', resize);

168
extra/js/drive.js
View File

@ -21,24 +21,27 @@ function _base64ToBytes(base64) {
// Canvas used for image generation
var generationCanvas = document.createElement('canvas')
window.fileAsyncCache = {};
window.getMappingKey = function(file) {
return file.toLowerCase().replace(new RegExp("\\.[^/.]+$"), "")
}
window.loadFileAsync = function(fullPath, bitmap, callback) {
// noop
callback = callback || (() => {});
// Make cache object
if (!window.fileAsyncCache) window.fileAsyncCache = {};
// Get mapping key
const mappingKey = getMappingKey(fullPath);
const mappingValue = mapping[mappingKey];
// Check if already loaded
if (window.fileAsyncCache.hasOwnProperty(fullPath)) return callback();
if (window.fileAsyncCache.hasOwnProperty(mappingKey)) return callback();
console.log('load', mappingKey);
// Show spinner
if (!bitmap && window.setBusy) window.setBusy();
// Get mapping key
const mappingKey = fullPath.toLowerCase().replace(new RegExp("\\.[^/.]+$"), "");
const mappingValue = mapping[mappingKey];
// Check if this is a folder
if (!mappingValue || mappingValue.endsWith("h=")) {
console.error("Skipping loading", fullPath, mappingValue);
@ -56,7 +59,7 @@ window.loadFileAsync = function(fullPath, bitmap, callback) {
const load = (cb1) => {
getLazyAsset(iurl, filename, (data) => {
FS.createPreloadedFile(path, filename, new Uint8Array(data), true, true, function() {
window.fileAsyncCache[fullPath] = 1;
window.fileAsyncCache[mappingKey] = 1;
if (!bitmap && window.setNotBusy) window.setNotBusy();
if (window.fileLoadedAsync) window.fileLoadedAsync(fullPath);
callback();
@ -103,3 +106,152 @@ window.loadFileAsync = function(fullPath, bitmap, callback) {
load();
}
}
window.saveFile = function(filename) {
const buf = FS.readFile('/game/' + filename);
const b64 = _bytesToBase64(buf);
localforage.setItem(namespace + filename, b64);
localforage.getItem(namespace, function(err, res) {
if (err || !res) res = {};
res[filename] = 1;
localforage.setItem(namespace, res);
});
};
var loadFiles = function() {
localforage.getItem(namespace, function(err, res) {
if (err || !res) return;
const keys = Object.keys(res);
console.log('Locally stored savefiles', keys);
keys.forEach((key) => {
localforage.getItem(namespace + key, (err, res) => {
if (err) return;
const buf = _base64ToBytes(res);
FS.writeFile('/game/' + key, buf);
});
});
});
}
var createDummies = function() {
// Base directory
FS.mkdir('/game');
// Create dummy objects
Object.values(mapping).forEach((file) => {
// Get filename
const filename = '/game/' + file.split("?")[0];
// Check if folder
if (file.endsWith('h=')) {
return FS.mkdir(filename);
}
// Create dummy file
FS.writeFile(filename, '1');
});
};
window.setBusy = function() {
document.getElementById('spinner').style.opacity = "0.5";
};
window.setNotBusy = function() {
document.getElementById('spinner').style.opacity = "0";
};
window.onerror = function() {
console.error("An error occured!")
};
function preloadList(jsonArray) {
jsonArray.forEach((file) => {
const mappingKey = getMappingKey(file);
const mappingValue = mapping[mappingKey];
if (!mappingValue || window.fileAsyncCache[mappingKey]) return;
// Get path and filename
const path = "/game/" + mappingValue.substring(0, mappingValue.lastIndexOf("/"));
const filename = mappingValue.substring(mappingValue.lastIndexOf("/") + 1).split("?")[0];
// Preload the asset
FS.createPreloadedFile(path, filename, "gameasync/" + mappingValue, true, true, function() {
window.fileAsyncCache[mappingKey] = 1;
console.log('preload', mappingKey);
}, console.error, false, false, () => {
try { FS.unlink(path + "/" + filename); } catch (err) {}
});
});
}
window.fileLoadedAsync = function(file) {
document.title = wTitle;
if (!(/.*Map.*rxdata/i.test(file))) return;
fetch('preload/' + file + '.json')
.then(function(response) {
return response.json();
})
.then(function(jsonResponse) {
setTimeout(() => {
preloadList(jsonResponse);
}, 200);
});
};
var hideTimer = 0;
function getLazyAsset(url, filename, callback) {
const xhr = new XMLHttpRequest();
xhr.responseType = "arraybuffer";
const pdiv = document.getElementById("progress");
let showTimer = 0;
let abortTimer = 0;
const retry = () => {
xhr.abort();
getLazyAsset(url, filename, callback);
}
xhr.onreadystatechange = function() {
if (xhr.readyState == XMLHttpRequest.DONE && xhr.status >= 200 && xhr.status < 400) {
pdiv.innerHTML = `${filename} - done`;
hideTimer = setTimeout(() => {
pdiv.style.opacity = '0';
hideTimer = 0;
}, 500);
clearTimeout(showTimer);
clearTimeout(abortTimer);
callback(xhr.response);
}
}
xhr.onprogress = function (event) {
const loaded = Math.round(event.loaded / 1024);
const total = Math.round(event.total / 1024);
pdiv.innerHTML = `${filename} - ${loaded}KB / ${total}KB`;
clearTimeout(abortTimer);
abortTimer = setTimeout(retry, 3000);
};
xhr.open('GET', url);
xhr.send();
pdiv.innerHTML = `${filename} - starting`;
showTimer = setTimeout(() => {
pdiv.style.opacity = '0.5';
}, 100);
abortTimer = setTimeout(retry, 3000);
if (hideTimer) {
clearTimeout(hideTimer);
hideTimer = 0;
}
}

229
extra/shell.html
View File

@ -7,6 +7,7 @@
<meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no">
<script src="js/localforage.min.js"></script>
<script src="js/drive.js"></script>
<script src="js/dpad.js"></script>
<script src="gameasync/mapping.js"></script>
<script src="gameasync/bitmap-map.js"></script>
@ -180,60 +181,11 @@
<script type='text/javascript'>
var namespace = 'kne';
var wTitle = 'KN_E'
window.saveFile = function(filename) {
const buf = FS.readFile('/game/' + filename);
const b64 = _bytesToBase64(buf);
localforage.setItem(namespace + filename, b64);
localforage.getItem(namespace, function(err, res) {
if (err || !res) res = {};
res[filename] = 1;
localforage.setItem(namespace, res);
});
};
var loadFiles = function() {
localforage.getItem(namespace, function(err, res) {
if (err || !res) return;
const keys = Object.keys(res);
console.log('Locally stored savefiles', keys);
keys.forEach((key) => {
localforage.getItem(namespace + key, (err, res) => {
if (err) return;
const buf = _base64ToBytes(res);
FS.writeFile('/game/' + key, buf);
});
});
});
}
var createDummies = function() {
// Base directory
FS.mkdir('/game');
// Create dummy objects
Object.values(mapping).forEach((file) => {
// Get filename
const filename = '/game/' + file.split("?")[0];
// Check if folder
if (file.endsWith('h=')) {
return FS.mkdir(filename);
}
// Create dummy file
FS.writeFile(filename, '1');
});
};
document.title = wTitle;
var Module = {
preRun: [createDummies],
postRun: [loadFiles],
postRun: [loadFiles, preloadInit],
noAudioDecoding: true,
print: (function() {
return function(text) {
@ -253,101 +205,12 @@
setStatus: function(text) {}
};
window.setBusy = function() {
document.getElementById('spinner').style.opacity = "0.5";
};
window.setNotBusy = function() {
document.getElementById('spinner').style.opacity = "0";
};
function fullscreen() {
document.getElementById('main').requestFullscreen();
screen.orientation.lock("landscape")
}
window.onerror = function() {
console.error("An error occured!")
};
function preloadList(jsonArray) {
jsonArray.forEach((f) => {
const url = mapping[f.toLowerCase().replace(new RegExp("\\.[^/.]+$"), "")];
if (!url) return;
// Preload the asset
fetch('gameasync/' + url).then().catch();
});
}
window.fileLoadedAsync = function(file) {
document.title = wTitle;
if (!(/.*Map.*rxdata/i.test(file))) return;
fetch('preload/' + file + '.json')
.then(function(response) {
return response.json();
})
.then(function(jsonResponse) {
setTimeout(() => {
preloadList(jsonResponse);
}, 200);
});
};
var hideTimer = 0;
function getLazyAsset(url, filename, callback) {
const xhr = new XMLHttpRequest();
xhr.responseType = "arraybuffer";
const pdiv = document.getElementById("progress");
let showTimer = 0;
let abortTimer = 0;
const retry = () => {
xhr.abort();
getLazyAsset(url, filename, callback);
}
xhr.onreadystatechange = function() {
if (xhr.readyState == XMLHttpRequest.DONE && xhr.status >= 200 && xhr.status < 400) {
pdiv.innerHTML = `${filename} - done`;
hideTimer = setTimeout(() => {
pdiv.style.opacity = '0';
hideTimer = 0;
}, 500);
clearTimeout(showTimer);
clearTimeout(abortTimer);
callback(xhr.response);
}
}
xhr.onprogress = function (event) {
const loaded = Math.round(event.loaded / 1024);
const total = Math.round(event.total / 1024);
pdiv.innerHTML = `${filename} - ${loaded}KB / ${total}KB`;
clearTimeout(abortTimer);
abortTimer = setTimeout(retry, 3000);
};
xhr.open('GET', url);
xhr.send();
pdiv.innerHTML = `${filename} - starting`;
showTimer = setTimeout(() => {
pdiv.style.opacity = '0.5';
}, 100);
abortTimer = setTimeout(retry, 3000);
if (hideTimer) {
clearTimeout(hideTimer);
hideTimer = 0;
}
}
document.title = wTitle;
function preloadInit() {
// Load important files
preloadList([
'rgss.rb',
@ -367,6 +230,7 @@
'data/system',
'data/mapinfos',
]);
}
// Load wasm then initialize
setTimeout(() => {
@ -377,77 +241,6 @@
});
}, 200);
function simulateKeyEvent(eventType, keyCode, charCode) {
var e = document.createEventObject ? document.createEventObject() : document.createEvent("Events");
if (e.initEvent) e.initEvent(eventType, true, true);
e.keyCode = keyCode;
e.which = keyCode;
e.charCode = charCode;
// Dispatch directly to Emscripten's html5.h API (use this if page uses emscripten/html5.h event handling):
if (typeof JSEvents !== 'undefined' && JSEvents.eventHandlers && JSEvents.eventHandlers.length > 0) {
for(var i = 0; i < JSEvents.eventHandlers.length; ++i) {
if ((JSEvents.eventHandlers[i].target == Module['canvas'] || JSEvents.eventHandlers[i].target == window)
&& JSEvents.eventHandlers[i].eventTypeString == eventType) {
JSEvents.eventHandlers[i].handlerFunc(e);
}
}
} else {
// Dispatch to browser for real (use this if page uses SDL or something else for event handling):
Module['canvas'].dispatchEvent ? Module['canvas'].dispatchEvent(e) : Module['canvas'].fireEvent("on" + eventType, e);
}
}
// Mappings
const keyMap = {};
const keysDown = {};
/** Add virtual key binding */
function bindKey(elem, key) {
keyMap[elem] = key;
const ne = document.getElementById(elem);
ne.addEventListener('touchstart', function(e) {
e.preventDefault();
simulateKeyEvent('keydown', key);
keysDown[e.target.id] = elem;
});
ne.addEventListener('touchend', function(e) {
e.preventDefault();
if (keysDown[e.target.id] && keyMap[keysDown[e.target.id]]) {
simulateKeyEvent('keyup', keyMap[keysDown[e.target.id]]);
}
keysDown[e.target.id] = 0;
});
ne.addEventListener('touchmove', function(event) {
const myLocation = event.changedTouches[0];
const realTarget = document.elementFromPoint(myLocation.clientX, myLocation.clientY).id;
const origTarget = keysDown[myLocation.target.id];
if (origTarget !== realTarget) {
if (origTarget) {
simulateKeyEvent('keyup', keyMap[origTarget]);
keysDown[myLocation.target.id] = 0;
}
if (keyMap[realTarget]) {
simulateKeyEvent('keydown', keyMap[realTarget]);
keysDown[myLocation.target.id] = realTarget;
}
}
});
}
function is_touch_device() {
try {
document.createEvent("TouchEvent");
return true;
} catch (e) {
return false;
}
}
if (!is_touch_device()) {
document.getElementById('dpad').style.display = 'none';
document.getElementById('apad').style.display = 'none';
@ -463,18 +256,6 @@
bindKey('ap-a', 90);
bindKey('ap-ka', 65);
const resize = function() {
const el = document.getElementById('canvas');
if (window.innerHeight > window.innerWidth) {
el.style.height = 'unset';
el.style.width = '100%';
} else {
el.style.width = 'unset';
el.style.height = '100%';
}
}
window.addEventListener('resize', resize);
resize();
</script>

4
src/emscripten.cpp
View File

@ -13,7 +13,9 @@ EM_JS(void, save_file_async_js, (const char* fullPathC), {
});
EM_JS(int, file_is_cached, (const char* fullPathC), {
return window.fileAsyncCache.hasOwnProperty(UTF8ToString(fullPathC)) ? 1 : 0;
const fullPath = UTF8ToString(fullPathC);
const mappingKey = getMappingKey(fullPath);
return window.fileAsyncCache.hasOwnProperty(mappingKey) ? 1 : 0;
});
#endif