games/neoboxels
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fix save/load, especially for embeds

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zeno 2024-02-28 11:59:54 -05:00
parent bdc8a32e36
commit 2116920340
1 changed files with 51 additions and 47 deletions
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98
js/save_load.js
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@ -4,7 +4,7 @@
Features a somewhat efficient compression algorithm. Features a somewhat efficient compression algorithm.
*/ */
function download_file(data, filename) { function downloadFile(data, filename) {
// ONLY works with ascii/latin1 characters. if you'd like to be able to download UTF-16 data (for compression, etc), please find a base64-encoding library for UTF-16, and replace "btoa". // ONLY works with ascii/latin1 characters. if you'd like to be able to download UTF-16 data (for compression, etc), please find a base64-encoding library for UTF-16, and replace "btoa".
let a = document.createElement("a"); let a = document.createElement("a");
@ -15,7 +15,7 @@ function download_file(data, filename) {
} }
function upload_file(options = {}) { function uploadFile(options = {}) {
base64_output = Boolean(options.useBase64); base64_output = Boolean(options.useBase64);
textEncoding = options.textEncoding ? options.textEncoding : "UTF-8"; textEncoding = options.textEncoding ? options.textEncoding : "UTF-8";
@ -90,54 +90,58 @@ function save() {
}; };
} }
download_file(JSON.stringify(jason), "game-data.json"); downloadFile(JSON.stringify(jason), "game-data.json");
}
function loadFile(text_data) {
let jason = JSON.parse(text_data);
let json = jason.data;
canvas.width = jason.width;
canvas.height = jason.height;
canvas.resize();
let mainPal = jason.pal.map(x => mainTiles.resolveID(x[0],x[1]));
console.log(mainPal);
for (let i in json) {
let data = json[i];
let pal = data.pal;
let dat = new TextEncoder('ascii').encode(data.dat);
let otherArray = new Uint16Array(128);
if (pal.length < 2) {
for (let i in otherArray) {
otherArray[i] = mainPal[(pal[0])];
}
} else if (pal.length < 9) {
for (let i in dat) {
otherArray[i*2] = mainPal[pal[((dat[i] - 'A'.charCodeAt()) & 0x38) / 8]];
otherArray[i*2+1] = mainPal[pal[(dat[i] - 'A'.charCodeAt()) & 0x7]];
}
} else {
for (let i in dat) {
otherArray[i] = mainPal[pal[(dat[i] - 'A'.charCodeAt()) & 0x7F]];
}
}
canvas.blocks.set(otherArray,Math.min(i*128,canvas.blocks.length - 128));
}
for (let i in canvas.temp) {
canvas.temp[i] = mainTiles.tiles[canvas.blocks[i]].attributes.temperature;
}
} }
function load() { function load() {
upload_file().then((text_data) => { uploadFile().then((text_data) => {
try { try {
let jason = JSON.parse(text_data); loadFile(text_data);
let json = jason.data;
canvas.width = jason.width;
canvas.height = jason.height;
canvas.resize();
let mainPal = jason.pal.map(x => mainTiles.resolveID(x[0],x[1]));
console.log(mainPal);
for (let i in json) {
let data = json[i];
let pal = data.pal;
let dat = new TextEncoder('ascii').encode(data.dat);
let otherArray = new Uint16Array(128);
if (pal.length < 2) {
for (let i in otherArray) {
otherArray[i] = mainPal[(pal[0])];
}
} else if (pal.length < 9) {
for (let i in dat) {
otherArray[i*2] = mainPal[pal[((dat[i] - 'A'.charCodeAt()) & 0x38) / 8]];
otherArray[i*2+1] = mainPal[pal[(dat[i] - 'A'.charCodeAt()) & 0x7]];
}
} else {
for (let i in dat) {
otherArray[i] = mainPal[pal[(dat[i] - 'A'.charCodeAt()) & 0x7F]];
}
}
canvas.blocks.set(otherArray,Math.min(i*128,canvas.blocks.length - 128));
}
for (let i in canvas.temp) {
canvas.temp[i] = mainTiles.tiles[canvas.blocks[i]].attributes.temperature;
}
} catch(err) { } catch(err) {
alert("This save file is invalid! Please provide a JSON file, with Altboxels save data.") alert("This save file is invalid! Please provide a JSON file, with Altboxels save data.")
} }
@ -153,7 +157,7 @@ var loc2;
if (loc) { if (loc) {
(async function() { (async function() {
document.querySelector('#code').value = await fetch(loc).then(x => x.text()); loadFile(await fetch(loc).then(x => x.text()));
load(); load();
loc2 = loc3; loc2 = loc3;
})() })()