496 lines
18 KiB
Rust
496 lines
18 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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#![recursion_limit="300"]
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use std::time::{Instant, Duration};
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use log::{info, warn};
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extern crate steven_shared as shared;
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#[macro_use]
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pub mod macros;
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pub mod ecs;
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pub mod protocol;
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pub mod format;
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pub mod nbt;
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pub mod item;
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pub mod gl;
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pub mod types;
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pub mod resources;
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pub mod render;
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pub mod ui;
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pub mod screen;
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pub mod settings;
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pub mod console;
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pub mod server;
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pub mod world;
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pub mod chunk_builder;
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pub mod auth;
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pub mod model;
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pub mod entity;
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use cfg_if::cfg_if;
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use wasm_bindgen::prelude::*;
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use std::sync::{Arc, RwLock, Mutex};
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use std::rc::Rc;
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use std::marker::PhantomData;
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use std::thread;
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use std::sync::mpsc;
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use crate::protocol::mojang;
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use glutin;
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use glutin::ContextTrait;
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const CL_BRAND: console::CVar<String> = console::CVar {
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ty: PhantomData,
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name: "cl_brand",
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description: "cl_brand has the value of the clients current 'brand'. e.g. \"Steven\" or \
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\"Vanilla\"",
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mutable: false,
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serializable: false,
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default: &|| "Steven".to_owned(),
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};
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pub struct Game {
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renderer: render::Renderer,
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screen_sys: screen::ScreenSystem,
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resource_manager: Arc<RwLock<resources::Manager>>,
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console: Arc<Mutex<console::Console>>,
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vars: Rc<console::Vars>,
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should_close: bool,
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server: server::Server,
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focused: bool,
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chunk_builder: chunk_builder::ChunkBuilder,
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connect_reply: Option<mpsc::Receiver<Result<server::Server, protocol::Error>>>,
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protocol_version: i32,
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dpi_factor: f64,
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last_mouse_x: f64,
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last_mouse_y: f64,
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last_mouse_xrel: f64,
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last_mouse_yrel: f64,
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is_fullscreen: bool,
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}
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impl Game {
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pub fn connect_to(&mut self, address: &str) {
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// Read saved server protocol version from ping response TODO: get from memory?
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use std::fs;
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let file = match fs::File::open("server_versions.json") {
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Ok(val) => val,
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Err(_) => return,
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};
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let server_versions_info: serde_json::Value = serde_json::from_reader(file).unwrap();
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let protocol_version = {
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if let Some(v) = server_versions_info.get(address) {
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v.as_i64().unwrap() as i32
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} else {
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warn!("Server protocol version not known for {} (no ping response?), defaulting to {}", address, protocol::SUPPORTED_PROTOCOLS[0]);
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protocol::SUPPORTED_PROTOCOLS[0]
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}
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};
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self.protocol_version = protocol_version;
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let (tx, rx) = mpsc::channel();
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self.connect_reply = Some(rx);
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let address = address.to_owned();
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let resources = self.resource_manager.clone();
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let profile = mojang::Profile {
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username: self.vars.get(auth::CL_USERNAME).clone(),
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id: self.vars.get(auth::CL_UUID).clone(),
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access_token: self.vars.get(auth::AUTH_TOKEN).clone(),
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};
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thread::spawn(move || {
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tx.send(server::Server::connect(resources, profile, &address, protocol_version)).unwrap();
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});
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}
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pub fn tick(&mut self, delta: f64) {
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if !self.server.is_connected() {
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self.renderer.camera.yaw += 0.005 * delta;
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if self.renderer.camera.yaw > ::std::f64::consts::PI * 2.0 {
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self.renderer.camera.yaw = 0.0;
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}
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}
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if let Some(disconnect_reason) = self.server.disconnect_reason.take() {
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self.screen_sys.replace_screen(Box::new(screen::ServerList::new(
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Some(disconnect_reason)
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)));
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}
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if !self.server.is_connected() {
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self.focused = false;
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}
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let mut clear_reply = false;
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if let Some(ref recv) = self.connect_reply {
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if let Ok(server) = recv.try_recv() {
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clear_reply = true;
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match server {
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Ok(val) => {
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self.screen_sys.pop_screen();
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self.focused = true;
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self.server.remove(&mut self.renderer);
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self.server = val;
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},
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Err(err) => {
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let msg = match err {
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protocol::Error::Disconnect(val) => val,
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err => {
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let mut msg = format::TextComponent::new(&format!("{}", err));
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msg.modifier.color = Some(format::Color::Red);
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format::Component::Text(msg)
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},
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};
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self.screen_sys.replace_screen(Box::new(screen::ServerList::new(
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Some(msg)
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)));
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}
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}
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}
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}
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if clear_reply {
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self.connect_reply = None;
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}
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}
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}
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cfg_if! {
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if #[cfg(target_arch = "wasm32")] {
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extern crate console_error_panic_hook;
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pub use console_error_panic_hook::set_once as set_panic_hook;
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} else {
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#[inline]
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pub fn set_panic_hook() {}
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}
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}
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#[wasm_bindgen]
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pub fn main() {
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set_panic_hook();
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std::env::set_var("RUST_BACKTRACE", "1");
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let con = Arc::new(Mutex::new(console::Console::new()));
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let (vars, vsync) = {
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let mut vars = console::Vars::new();
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vars.register(CL_BRAND);
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auth::register_vars(&mut vars);
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settings::register_vars(&mut vars);
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vars.load_config();
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vars.save_config();
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let vsync = *vars.get(settings::R_VSYNC);
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(Rc::new(vars), vsync)
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};
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let proxy = console::ConsoleProxy::new(con.clone());
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log::set_boxed_logger(Box::new(proxy)).unwrap();
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log::set_max_level(log::LevelFilter::Trace);
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info!("Starting steven");
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let (res, mut resui) = resources::Manager::new();
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let resource_manager = Arc::new(RwLock::new(res));
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let mut events_loop = glutin::EventsLoop::new();
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let window_builder = glutin::WindowBuilder::new()
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.with_title("Stevenarella")
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.with_dimensions(glutin::dpi::LogicalSize::new(854.0, 480.0));
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let context = glutin::ContextBuilder::new()
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.with_stencil_buffer(0)
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.with_depth_buffer(24)
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.with_gl(glutin::GlRequest::GlThenGles{opengl_version: (3, 2), opengles_version: (2, 0)})
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.with_gl_profile(glutin::GlProfile::Core)
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.with_vsync(vsync);
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let mut window = glutin::CombinedContext::new(window_builder, context, &events_loop)
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.expect("Could not create glutin window.");
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unsafe {
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window.make_current().expect("Could not set current context.");
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}
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gl::init(&window);
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let renderer = render::Renderer::new(resource_manager.clone());
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let mut ui_container = ui::Container::new();
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let mut last_frame = Instant::now();
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let frame_time = 1e9f64 / 60.0;
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let mut screen_sys = screen::ScreenSystem::new();
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#[cfg(not(target_arch = "wasm32"))]
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{
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screen_sys.add_screen(Box::new(screen::Login::new(vars.clone())));
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}
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#[cfg(target_arch = "wasm32")]
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{
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screen_sys.add_screen(Box::new(screen::ServerList::new(None)));
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}
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let textures = renderer.get_textures();
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let dpi_factor = window.get_current_monitor().get_hidpi_factor();
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let mut game = Game {
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server: server::Server::dummy_server(resource_manager.clone()),
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focused: false,
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renderer,
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screen_sys,
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resource_manager: resource_manager.clone(),
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console: con,
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vars,
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should_close: false,
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chunk_builder: chunk_builder::ChunkBuilder::new(resource_manager, textures),
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connect_reply: None,
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protocol_version: protocol::SUPPORTED_PROTOCOLS[0],
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dpi_factor,
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last_mouse_x: 0.0,
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last_mouse_y: 0.0,
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last_mouse_xrel: 0.0,
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last_mouse_yrel: 0.0,
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is_fullscreen: false,
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};
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game.renderer.camera.pos = cgmath::Point3::new(0.5, 13.2, 0.5);
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let mut last_resource_version = 0;
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while !game.should_close {
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let now = Instant::now();
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let diff = now.duration_since(last_frame);
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last_frame = now;
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let delta = (diff.subsec_nanos() as f64) / frame_time;
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let (width, height) = window.get_inner_size().unwrap().into();
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let (physical_width, physical_height) = window.get_inner_size().unwrap().to_physical(game.dpi_factor).into();
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let version = {
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let try_res = game.resource_manager.try_write();
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if try_res.is_ok() {
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let mut res = try_res.unwrap();
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res.tick(&mut resui, &mut ui_container, delta);
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res.version()
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} else {
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// TODO: why does game.resource_manager.write() sometimes deadlock?
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//warn!("Failed to obtain mutable reference to resource manager!");
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last_resource_version
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}
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};
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last_resource_version = version;
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let vsync_changed = *game.vars.get(settings::R_VSYNC);
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if vsync != vsync_changed {
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println!("Changing vsync currently requires restarting");
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break;
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// TODO: after https://github.com/tomaka/glutin/issues/693 Allow changing vsync on a Window
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//vsync = vsync_changed;
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}
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let fps_cap = *game.vars.get(settings::R_MAX_FPS);
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game.tick(delta);
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game.server.tick(&mut game.renderer, delta);
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game.renderer.update_camera(physical_width, physical_height);
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game.server.world.compute_render_list(&mut game.renderer);
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game.chunk_builder.tick(&mut game.server.world, &mut game.renderer, version);
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game.screen_sys.tick(delta, &mut game.renderer, &mut ui_container);
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game.console
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.lock()
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.unwrap()
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.tick(&mut ui_container, &game.renderer, delta, width as f64);
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ui_container.tick(&mut game.renderer, delta, width as f64, height as f64);
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game.renderer.tick(&mut game.server.world, delta, width, height, physical_width, physical_height);
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if fps_cap > 0 && !vsync {
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let frame_time = now.elapsed();
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let sleep_interval = Duration::from_millis(1000 / fps_cap as u64);
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if frame_time < sleep_interval {
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thread::sleep(sleep_interval - frame_time);
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}
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}
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window.swap_buffers().expect("Failed to swap GL buffers");
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events_loop.poll_events(|event| {
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handle_window_event(&mut window, &mut game, &mut ui_container, event);
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});
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}
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}
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fn handle_window_event(window: &mut glutin::CombinedContext,
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game: &mut Game,
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ui_container: &mut ui::Container,
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event: glutin::Event) {
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use glutin::*;
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match event {
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Event::DeviceEvent{event, ..} => match event {
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DeviceEvent::MouseMotion{delta:(xrel, yrel)} => {
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let (rx, ry) =
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if xrel > 1000.0 || yrel > 1000.0 {
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// Heuristic for if we were passed an absolute value instead of relative
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// Workaround https://github.com/tomaka/glutin/issues/1084 MouseMotion event returns absolute instead of relative values, when running Linux in a VM
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// Note SDL2 had a hint to handle this scenario:
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// sdl2::hint::set_with_priority("SDL_MOUSE_RELATIVE_MODE_WARP", "1", &sdl2::hint::Hint::Override);
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let s = 8000.0 + 0.01;
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((xrel - game.last_mouse_xrel) / s, (yrel - game.last_mouse_yrel) / s)
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} else {
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let s = 2000.0 + 0.01;
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(xrel / s, yrel / s)
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};
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game.last_mouse_xrel = xrel;
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game.last_mouse_yrel = yrel;
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use std::f64::consts::PI;
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if game.focused {
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window.grab_cursor(true).unwrap();
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window.hide_cursor(true);
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if let Some(player) = game.server.player {
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let rotation = game.server.entities.get_component_mut(player, game.server.rotation).unwrap();
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rotation.yaw -= rx;
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rotation.pitch -= ry;
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if rotation.pitch < (PI/2.0) + 0.01 {
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rotation.pitch = (PI/2.0) + 0.01;
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}
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if rotation.pitch > (PI/2.0)*3.0 - 0.01 {
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rotation.pitch = (PI/2.0)*3.0 - 0.01;
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}
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}
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} else {
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window.grab_cursor(false).unwrap();
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window.hide_cursor(false);
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}
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},
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_ => ()
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},
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Event::WindowEvent{event, ..} => match event {
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WindowEvent::CloseRequested => game.should_close = true,
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WindowEvent::Resized(logical_size) => {
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game.dpi_factor = window.get_hidpi_factor();
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window.resize(logical_size.to_physical(game.dpi_factor));
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},
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WindowEvent::ReceivedCharacter(codepoint) => {
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if !game.focused {
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ui_container.key_type(game, codepoint);
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}
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},
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WindowEvent::MouseInput{device_id: _, state, button, modifiers: _} => {
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match (state, button) {
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(ElementState::Released, MouseButton::Left) => {
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let (width, height) = window.get_inner_size().unwrap().into();
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if game.server.is_connected() && !game.focused && !game.screen_sys.is_current_closable() {
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game.focused = true;
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window.grab_cursor(true).unwrap();
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window.hide_cursor(true);
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return;
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}
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if !game.focused {
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window.grab_cursor(false).unwrap();
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window.hide_cursor(false);
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ui_container.click_at(game, game.last_mouse_x, game.last_mouse_y, width, height);
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}
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},
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(ElementState::Pressed, MouseButton::Right) => {
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if game.focused {
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game.server.on_right_click(&mut game.renderer);
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}
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},
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(_, _) => ()
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}
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},
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WindowEvent::CursorMoved{device_id: _, position, modifiers: _} => {
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let (x, y) = position.into();
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game.last_mouse_x = x;
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game.last_mouse_y = y;
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if !game.focused {
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let (width, height) = window.get_inner_size().unwrap().into();
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ui_container.hover_at(game, x, y, width, height);
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}
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},
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WindowEvent::MouseWheel{device_id: _, delta, phase: _, modifiers: _} => {
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// TODO: line vs pixel delta? does pixel scrolling (e.g. touchpad) need scaling?
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match delta {
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MouseScrollDelta::LineDelta(x, y) => {
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game.screen_sys.on_scroll(x.into(), y.into());
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},
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MouseScrollDelta::PixelDelta(position) => {
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let (x, y) = position.into();
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game.screen_sys.on_scroll(x, y);
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},
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}
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},
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WindowEvent::KeyboardInput{device_id: _, input} => {
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match (input.state, input.virtual_keycode) {
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(ElementState::Released, Some(VirtualKeyCode::Escape)) => {
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if game.focused {
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window.grab_cursor(false).unwrap();
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window.hide_cursor(false);
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game.focused = false;
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game.screen_sys.replace_screen(Box::new(screen::SettingsMenu::new(game.vars.clone(), true)));
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} else if game.screen_sys.is_current_closable() {
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window.grab_cursor(true).unwrap();
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window.hide_cursor(true);
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game.focused = true;
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game.screen_sys.pop_screen();
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}
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}
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(ElementState::Pressed, Some(VirtualKeyCode::Grave)) => {
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game.console.lock().unwrap().toggle();
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},
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(ElementState::Pressed, Some(VirtualKeyCode::F11)) => {
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if game.is_fullscreen {
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window.set_fullscreen(Some(window.get_current_monitor()));
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} else {
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window.set_fullscreen(None);
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}
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game.is_fullscreen = !game.is_fullscreen;
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},
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(ElementState::Pressed, Some(key)) => {
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if game.focused {
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if let Some(steven_key) = settings::Stevenkey::get_by_keycode(key, &game.vars) {
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game.server.key_press(true, steven_key);
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}
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} else {
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let ctrl_pressed = input.modifiers.ctrl;
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ui_container.key_press(game, key, true, ctrl_pressed);
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}
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},
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(ElementState::Released, Some(key)) => {
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if game.focused {
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if let Some(steven_key) = settings::Stevenkey::get_by_keycode(key, &game.vars) {
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game.server.key_press(false, steven_key);
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}
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} else {
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let ctrl_pressed = input.modifiers.ctrl;
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ui_container.key_press(game, key, false, ctrl_pressed);
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}
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},
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(_, None) => ()
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}
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},
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_ => ()
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},
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_ => (),
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}
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}
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