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improve loading logic

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This commit is contained in:
Simon Gardling 2022-05-17 10:38:19 -04:00
parent 1e9342a949
commit 4a3dba109d
1 changed files with 23 additions and 22 deletions
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45
src/math_app.rs
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@ -11,7 +11,6 @@ use egui::{
use emath::{Align, Align2};
use epaint::Rounding;
use instant::{Duration, Instant};
use std::intrinsics::assume;
use std::{io::Read, ops::BitXorAssign};
#[cfg(threading)]
@ -132,6 +131,8 @@ impl MathApp {
cfg_if::cfg_if! {
if #[cfg(target_arch = "wasm32")] {
use core::intrinsics::assume;
if let Some(web_info) = &cc.integration_info.web_info {
tracing::info!("Web Info: {:?}", web_info);
}
@ -178,7 +179,7 @@ impl MathApp {
get_localstorage().set_item(DATA_NAME, saved_data).expect("failed to set local storage cache");
}
fn get_functions() -> Option<FunctionManager> {
fn load_functions() -> Option<FunctionManager> {
let data = get_localstorage().get_item(FUNC_NAME).ok()??;
if crate::misc::HASH_LENGTH >= data.len() {
return None;
@ -203,20 +204,10 @@ impl MathApp {
}
}
} else {
const fn get_storage_decompressed() -> Option<Vec<u8>> {
None
}
const fn set_storage_decompressed(_: &Vec<u8>) {}
const fn get_functions() -> Option<FunctionManager> { None }
}
}
let data_decompressed: Vec<u8> = if let Some(cached_data) = get_storage_decompressed() {
cached_data
} else {
fn decomress_data() -> crate::data::TotalData {
let mut data = Vec::new();
let _ = unsafe {
ruzstd::StreamingDecoder::new(
@ -226,18 +217,23 @@ impl MathApp {
.read_to_end(&mut data)
.unwrap_unchecked()
};
#[cfg(target = "wasm32")]
set_storage_decompressed(&data);
data
};
debug_assert!(!data_decompressed.is_empty());
unsafe {
assume(!data_decompressed.is_empty());
unsafe { bincode::deserialize(data.as_slice()).unwrap_unchecked() }
}
let data: crate::data::TotalData =
unsafe { bincode::deserialize(data_decompressed.as_slice()).unwrap_unchecked() };
#[cfg(target = "wasm32")]
let data: crate::data::TotalData = if let Some(Ok(data)) =
get_storage_decompressed().map(|data| bincode::deserialize(data.as_slice()))
{
data
} else {
decomress_data()
};
#[cfg(not(target = "wasm32"))]
let data: crate::data::TotalData = decomress_data();
tracing::info!("Reading assets...");
@ -251,7 +247,12 @@ impl MathApp {
tracing::info!("Initialized! Took: {:?}", start.elapsed());
Self {
functions: get_functions().unwrap_or_default(),
#[cfg(target_arch = "wasm32")]
functions: load_functions().unwrap_or_default(),
#[cfg(not(target_arch = "wasm32"))]
functions: FunctionManager::default(),
last_info: (vec![None], None),
dark_mode: true, // dark mode is default and is previously set
text: data.text,