565 lines
19 KiB
Rust
565 lines
19 KiB
Rust
// Copyright 2016 Matthew Collins
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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extern crate steven_resources as internal;
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use std::collections::HashMap;
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use std::hash::BuildHasherDefault;
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use std::io;
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use std::path;
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use std::sync::mpsc;
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use std::sync::{Arc, Mutex};
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use std::thread;
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use std_or_web::fs;
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use crate::types::hash::FNVHash;
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use crate::ui;
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const RESOURCES_VERSION: &str = "1.12.2";
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const VANILLA_CLIENT_URL: &str =
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"https://launcher.mojang.com/v1/objects/0f275bc1547d01fa5f56ba34bdc87d981ee12daf/client.jar";
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const ASSET_VERSION: &str = "1.12";
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const ASSET_INDEX_URL: &str = "https://launchermeta.mojang.com/mc/assets/1.12/67e29e024e664064c1f04c728604f83c24cbc218/1.12.json";
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pub trait Pack: Sync + Send {
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fn open(&self, name: &str) -> Option<Box<dyn io::Read>>;
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}
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pub struct Manager {
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packs: Vec<Box<dyn Pack>>,
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version: usize,
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vanilla_chan: Option<mpsc::Receiver<bool>>,
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vanilla_assets_chan: Option<mpsc::Receiver<bool>>,
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vanilla_progress: Arc<Mutex<Progress>>,
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}
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pub struct ManagerUI {
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progress_ui: Vec<ProgressUI>,
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num_tasks: isize,
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}
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struct ProgressUI {
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task_name: String,
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task_file: String,
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position: f64,
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closing: bool,
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progress: f64,
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background: ui::ImageRef,
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progress_bar: ui::ImageRef,
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}
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struct Progress {
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tasks: Vec<Task>,
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}
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struct Task {
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task_name: String,
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task_file: String,
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total: u64,
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progress: u64,
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}
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unsafe impl Sync for Manager {}
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impl Manager {
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pub fn new() -> (Manager, ManagerUI) {
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let mut m = Manager {
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packs: Vec::new(),
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version: 0,
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vanilla_chan: None,
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vanilla_assets_chan: None,
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vanilla_progress: Arc::new(Mutex::new(Progress { tasks: vec![] })),
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};
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m.add_pack(Box::new(InternalPack));
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#[cfg(not(target_arch = "wasm32"))]
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{
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m.download_vanilla();
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m.download_assets();
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}
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(
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m,
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ManagerUI {
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progress_ui: vec![],
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num_tasks: 0,
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},
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)
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}
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/// Returns the 'version' of the manager. The version is
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/// increase everytime a pack is added or removed.
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pub fn version(&self) -> usize {
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self.version
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}
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pub fn open(&self, plugin: &str, name: &str) -> Option<Box<dyn io::Read>> {
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let path = format!("assets/{}/{}", plugin, name);
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for pack in self.packs.iter().rev() {
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if let Some(val) = pack.open(&path) {
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return Some(val);
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}
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}
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None
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}
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pub fn open_all(&self, plugin: &str, name: &str) -> Vec<Box<dyn io::Read>> {
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let mut ret = Vec::new();
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let path = format!("assets/{}/{}", plugin, name);
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for pack in self.packs.iter().rev() {
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if let Some(val) = pack.open(&path) {
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ret.push(val);
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}
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}
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ret
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}
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pub fn tick(&mut self, mui: &mut ManagerUI, ui_container: &mut ui::Container, delta: f64) {
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let delta = delta.min(5.0);
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// Check to see if the download of vanilla has completed
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// (if it was started)
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let mut done = false;
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if let Some(ref recv) = self.vanilla_chan {
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if recv.try_recv().is_ok() {
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done = true;
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}
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}
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if done {
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self.vanilla_chan = None;
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self.load_vanilla();
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}
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let mut done = false;
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if let Some(ref recv) = self.vanilla_assets_chan {
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if recv.try_recv().is_ok() {
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done = true;
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}
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}
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if done {
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self.vanilla_assets_chan = None;
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self.load_assets();
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}
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const UI_HEIGHT: f64 = 32.0;
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let mut progress = self.vanilla_progress.lock().unwrap();
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progress.tasks.retain(|v| v.progress < v.total);
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// Find out what we have to work with
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for task in &progress.tasks {
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if !mui
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.progress_ui
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.iter()
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.filter(|v| v.task_file == task.task_file)
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.any(|v| v.task_name == task.task_name)
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{
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mui.num_tasks += 1;
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// Add a ui element for it
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let background = ui::ImageBuilder::new()
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.texture("steven:solid")
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.position(0.0, -UI_HEIGHT)
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.size(350.0, UI_HEIGHT)
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.colour((0, 0, 0, 100))
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.draw_index(0xFFFFFF - mui.num_tasks)
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.alignment(ui::VAttach::Bottom, ui::HAttach::Left)
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.create(ui_container);
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ui::ImageBuilder::new()
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.texture("steven:solid")
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.position(0.0, 0.0)
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.size(350.0, 10.0)
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.colour((0, 0, 0, 200))
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.attach(&mut *background.borrow_mut());
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ui::TextBuilder::new()
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.text(&*task.task_name)
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.position(3.0, 0.0)
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.scale_x(0.5)
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.scale_y(0.5)
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.draw_index(1)
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.attach(&mut *background.borrow_mut());
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ui::TextBuilder::new()
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.text(&*task.task_file)
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.position(3.0, 12.0)
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.scale_x(0.5)
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.scale_y(0.5)
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.draw_index(1)
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.attach(&mut *background.borrow_mut());
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let progress_bar = ui::ImageBuilder::new()
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.texture("steven:solid")
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.position(0.0, 0.0)
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.size(0.0, 10.0)
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.colour((0, 255, 0, 255))
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.draw_index(2)
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.alignment(ui::VAttach::Bottom, ui::HAttach::Left)
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.attach(&mut *background.borrow_mut());
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mui.progress_ui.push(ProgressUI {
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task_name: task.task_name.clone(),
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task_file: task.task_file.clone(),
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position: -UI_HEIGHT,
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closing: false,
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progress: 0.0,
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background,
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progress_bar,
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});
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}
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}
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for ui in &mut mui.progress_ui {
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if ui.closing {
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continue;
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}
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let mut found = false;
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let mut prog = 1.0;
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for task in progress
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.tasks
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.iter()
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.filter(|v| v.task_file == ui.task_file)
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.filter(|v| v.task_name == ui.task_name)
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{
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found = true;
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prog = task.progress as f64 / task.total as f64;
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}
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let background = ui.background.borrow();
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let progress_bar = ui.progress_bar.borrow();
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// Let the progress bar finish
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if !found
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&& (background.y - ui.position).abs() < 0.7 * delta
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&& (progress_bar.width - 350.0).abs() < 1.0 * delta
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{
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ui.closing = true;
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ui.position = -UI_HEIGHT;
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}
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ui.progress = prog;
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}
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let mut offset = 0.0;
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for ui in &mut mui.progress_ui {
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if ui.closing {
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continue;
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}
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ui.position = offset;
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offset += UI_HEIGHT;
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}
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// Move elements
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for ui in &mut mui.progress_ui {
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let mut background = ui.background.borrow_mut();
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if (background.y - ui.position).abs() < 0.7 * delta {
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background.y = ui.position;
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} else {
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background.y += (ui.position - background.y).signum() * 0.7 * delta;
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}
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let mut progress_bar = ui.progress_bar.borrow_mut();
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let target_size = (350.0 * ui.progress).min(350.0);
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if (progress_bar.width - target_size).abs() < 1.0 * delta {
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progress_bar.width = target_size;
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} else {
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progress_bar.width +=
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((target_size - progress_bar.width).signum() * delta).max(0.0);
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}
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}
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// Clean up dead elements
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mui.progress_ui
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.retain(|v| v.position >= -UI_HEIGHT || !v.closing);
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}
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fn add_pack(&mut self, pck: Box<dyn Pack>) {
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self.packs.push(pck);
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self.version += 1;
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}
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fn load_vanilla(&mut self) {
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let loc = format!("./resources-{}", RESOURCES_VERSION);
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let location = path::Path::new(&loc);
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self.packs.insert(
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1,
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Box::new(DirPack {
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root: location.to_path_buf(),
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}),
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);
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self.version += 1;
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}
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fn load_assets(&mut self) {
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self.packs.insert(1, Box::new(ObjectPack::new()));
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self.version += 1;
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}
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#[cfg(not(target_arch = "wasm32"))]
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fn download_assets(&mut self) {
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let loc = format!("./index/{}.json", ASSET_VERSION);
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let location = path::Path::new(&loc).to_owned();
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let progress_info = self.vanilla_progress.clone();
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let (send, recv) = mpsc::channel();
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if fs::metadata(&location).is_ok() {
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self.load_assets();
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} else {
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self.vanilla_assets_chan = Some(recv);
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}
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thread::spawn(move || {
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let client = reqwest::blocking::Client::new();
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if fs::metadata(&location).is_err() {
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fs::create_dir_all(location.parent().unwrap()).unwrap();
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let res = client.get(ASSET_INDEX_URL).send().unwrap();
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let length = res
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.headers()
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.get(reqwest::header::CONTENT_LENGTH)
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.unwrap()
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.to_str()
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.unwrap()
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.parse::<u64>()
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.unwrap();
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Self::add_task(
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&progress_info,
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"Downloading Asset Index",
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&*location.to_string_lossy(),
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length,
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);
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{
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let mut file =
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fs::File::create(format!("index-{}.tmp", ASSET_VERSION)).unwrap();
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let mut progress = ProgressRead {
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read: res,
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progress: &progress_info,
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task_name: "Downloading Asset Index".into(),
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task_file: location.to_string_lossy().into_owned(),
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};
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io::copy(&mut progress, &mut file).unwrap();
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}
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fs::rename(format!("index-{}.tmp", ASSET_VERSION), &location).unwrap();
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send.send(true).unwrap();
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}
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let file = fs::File::open(&location).unwrap();
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let index: serde_json::Value = serde_json::from_reader(&file).unwrap();
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let root_location = path::Path::new("./objects/");
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let objects = index.get("objects").and_then(|v| v.as_object()).unwrap();
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Self::add_task(
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&progress_info,
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"Downloading Assets",
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"./objects",
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objects.len() as u64,
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);
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for (k, v) in objects {
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let hash = v.get("hash").and_then(|v| v.as_str()).unwrap();
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let hash_path = format!("{}/{}", &hash[..2], hash);
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let location = root_location.join(&hash_path);
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if fs::metadata(&location).is_err() {
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fs::create_dir_all(location.parent().unwrap()).unwrap();
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let res = client
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.get(&format!(
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"http://resources.download.minecraft.net/{}",
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hash_path
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))
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.send()
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.unwrap();
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let length = v.get("size").and_then(|v| v.as_u64()).unwrap();
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Self::add_task(&progress_info, "Downloading Asset", k, length);
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let mut tmp_file = location.to_owned();
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tmp_file.set_file_name(format!("{}.tmp", hash));
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{
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let mut file = fs::File::create(&tmp_file).unwrap();
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let mut progress = ProgressRead {
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read: res,
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progress: &progress_info,
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task_name: "Downloading Asset".into(),
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task_file: k.to_owned(),
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};
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io::copy(&mut progress, &mut file).unwrap();
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}
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fs::rename(&tmp_file, &location).unwrap();
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}
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Self::add_task_progress(&progress_info, "Downloading Assets", "./objects", 1);
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}
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});
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}
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#[cfg(not(target_arch = "wasm32"))]
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fn download_vanilla(&mut self) {
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let loc = format!("./resources-{}", RESOURCES_VERSION);
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let location = path::Path::new(&loc);
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if fs::metadata(location.join("steven.assets")).is_ok() {
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self.load_vanilla();
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return;
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}
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let (send, recv) = mpsc::channel();
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self.vanilla_chan = Some(recv);
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let progress_info = self.vanilla_progress.clone();
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thread::spawn(move || {
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let client = reqwest::blocking::Client::new();
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let res = client.get(VANILLA_CLIENT_URL).send().unwrap();
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let mut file = fs::File::create(format!("{}.tmp", RESOURCES_VERSION)).unwrap();
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let length = res
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.headers()
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.get(reqwest::header::CONTENT_LENGTH)
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.unwrap()
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.to_str()
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.unwrap()
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.parse::<u64>()
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.unwrap();
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let task_file = format!("./resources-{}", RESOURCES_VERSION);
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Self::add_task(
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&progress_info,
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"Downloading Core Assets",
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&task_file,
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length,
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);
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{
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let mut progress = ProgressRead {
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read: res,
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progress: &progress_info,
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task_name: "Downloading Core Assets".into(),
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task_file,
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};
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io::copy(&mut progress, &mut file).unwrap();
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}
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// Copy the resources from the zip
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let file = fs::File::open(format!("{}.tmp", RESOURCES_VERSION)).unwrap();
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let mut zip = zip::ZipArchive::new(file).unwrap();
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let task_file = format!("./resources-{}", RESOURCES_VERSION);
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Self::add_task(
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&progress_info,
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"Unpacking Core Assets",
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&task_file,
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zip.len() as u64,
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);
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let loc = format!("./resources-{}", RESOURCES_VERSION);
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let location = path::Path::new(&loc);
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let count = zip.len();
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for i in 0..count {
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Self::add_task_progress(&progress_info, "Unpacking Core Assets", &task_file, 1);
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let mut file = zip.by_index(i).unwrap();
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if !file.name().starts_with("assets/") {
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continue;
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}
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let path = location.join(file.name());
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fs::create_dir_all(path.parent().unwrap()).unwrap();
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let mut out = fs::File::create(path).unwrap();
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io::copy(&mut file, &mut out).unwrap();
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}
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fs::File::create(location.join("steven.assets")).unwrap(); // Marker file
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send.send(true).unwrap();
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fs::remove_file(format!("{}.tmp", RESOURCES_VERSION)).unwrap();
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});
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}
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fn add_task(progress: &Arc<Mutex<Progress>>, name: &str, file: &str, length: u64) {
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let mut info = progress.lock().unwrap();
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info.tasks.push(Task {
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task_name: name.into(),
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task_file: file.into(),
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total: length,
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progress: 0,
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});
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}
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fn add_task_progress(progress: &Arc<Mutex<Progress>>, name: &str, file: &str, prog: u64) {
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let mut progress = progress.lock().unwrap();
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for task in progress
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.tasks
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.iter_mut()
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.filter(|v| v.task_file == file)
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.filter(|v| v.task_name == name)
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{
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task.progress += prog as u64;
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}
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}
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}
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struct DirPack {
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root: path::PathBuf,
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}
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impl Pack for DirPack {
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fn open(&self, name: &str) -> Option<Box<dyn io::Read>> {
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match fs::File::open(self.root.join(name)) {
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Ok(val) => Some(Box::new(val)),
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Err(_) => None,
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}
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}
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}
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struct InternalPack;
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impl Pack for InternalPack {
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fn open(&self, name: &str) -> Option<Box<dyn io::Read>> {
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match internal::get_file(name) {
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Some(val) => Some(Box::new(io::Cursor::new(val))),
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None => None,
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}
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}
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}
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struct ObjectPack {
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objects: HashMap<String, String, BuildHasherDefault<FNVHash>>,
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}
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impl ObjectPack {
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fn new() -> ObjectPack {
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let loc = format!("./index/{}.json", ASSET_VERSION);
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let location = path::Path::new(&loc);
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let file = fs::File::open(&location).unwrap();
|
|
let index: serde_json::Value = serde_json::from_reader(&file).unwrap();
|
|
let objects = index.get("objects").and_then(|v| v.as_object()).unwrap();
|
|
let mut hash_objs = HashMap::with_hasher(BuildHasherDefault::default());
|
|
for (k, v) in objects {
|
|
hash_objs.insert(
|
|
k.clone(),
|
|
v.get("hash").and_then(|v| v.as_str()).unwrap().to_owned(),
|
|
);
|
|
}
|
|
ObjectPack { objects: hash_objs }
|
|
}
|
|
}
|
|
|
|
impl Pack for ObjectPack {
|
|
fn open(&self, name: &str) -> Option<Box<dyn io::Read>> {
|
|
if !name.starts_with("assets/") {
|
|
return None;
|
|
}
|
|
let name = &name["assets/".len()..];
|
|
if let Some(hash) = self.objects.get(name) {
|
|
let root_location = path::Path::new("./objects/");
|
|
let hash_path = format!("{}/{}", &hash[..2], hash);
|
|
let location = root_location.join(&hash_path);
|
|
match fs::File::open(location) {
|
|
Ok(val) => Some(Box::new(val)),
|
|
Err(_) => None,
|
|
}
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
}
|
|
|
|
struct ProgressRead<'a, T> {
|
|
read: T,
|
|
progress: &'a Arc<Mutex<Progress>>,
|
|
task_name: String,
|
|
task_file: String,
|
|
}
|
|
|
|
impl<'a, T: io::Read> io::Read for ProgressRead<'a, T> {
|
|
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
|
|
let size = self.read.read(buf)?;
|
|
Manager::add_task_progress(self.progress, &self.task_name, &self.task_file, size as u64);
|
|
Ok(size)
|
|
}
|
|
}
|