394 lines
11 KiB
Rust
394 lines
11 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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use log;
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use std::any::Any;
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use std::cell::{Ref, RefCell};
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use std::collections::HashMap;
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use std::io::{BufRead, BufReader, BufWriter, Write};
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use std::marker::PhantomData;
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use std::sync::{Arc, Mutex};
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use std_or_web::fs;
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use crate::format::{Color, Component, TextComponent};
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use crate::render;
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use crate::ui;
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#[cfg(target_arch = "wasm32")]
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use web_sys;
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#[cfg(target_arch = "wasm32")]
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fn println_level(level: log::Level, s: String) {
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let value = &wasm_bindgen::JsValue::from_str(&s);
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use log::Level::*;
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match level {
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Trace => web_sys::console::debug_1(value),
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Debug => web_sys::console::log_1(value),
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Info => web_sys::console::info_1(value),
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Warn => web_sys::console::warn_1(value),
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Error => web_sys::console::error_1(value),
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}
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}
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#[cfg(not(target_arch = "wasm32"))]
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fn println_level(_level: log::Level, s: String) {
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println!("{}", s);
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}
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const FILTERED_CRATES: &[&str] = &[
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//"reqwest", // TODO: needed?
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"mime",
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];
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pub struct CVar<T: Sized + Any + 'static> {
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pub name: &'static str,
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pub ty: PhantomData<T>,
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pub description: &'static str,
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pub mutable: bool,
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pub serializable: bool,
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pub default: &'static dyn Fn() -> T,
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}
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impl Var for CVar<i64> {
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fn serialize(&self, val: &Box<dyn Any>) -> String {
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val.downcast_ref::<i64>().unwrap().to_string()
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}
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fn deserialize(&self, input: &str) -> Box<dyn Any> {
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Box::new(input.parse::<i64>().unwrap())
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}
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fn description(&self) -> &'static str {
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self.description
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}
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fn can_serialize(&self) -> bool {
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self.serializable
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}
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}
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impl Var for CVar<bool> {
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fn serialize(&self, val: &Box<dyn Any>) -> String {
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val.downcast_ref::<bool>().unwrap().to_string()
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}
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fn deserialize(&self, input: &str) -> Box<dyn Any> {
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Box::new(input.parse::<bool>().unwrap())
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}
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fn description(&self) -> &'static str {
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self.description
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}
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fn can_serialize(&self) -> bool {
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self.serializable
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}
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}
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impl Var for CVar<String> {
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fn serialize(&self, val: &Box<dyn Any>) -> String {
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format!("\"{}\"", val.downcast_ref::<String>().unwrap())
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}
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fn deserialize(&self, input: &str) -> Box<dyn Any> {
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Box::new((&input[1..input.len() - 1]).to_owned())
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}
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fn description(&self) -> &'static str {
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self.description
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}
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fn can_serialize(&self) -> bool {
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self.serializable
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}
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}
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pub trait Var {
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fn serialize(&self, val: &Box<dyn Any>) -> String;
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fn deserialize(&self, input: &str) -> Box<dyn Any>;
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fn description(&self) -> &'static str;
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fn can_serialize(&self) -> bool;
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}
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#[derive(Default)]
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pub struct Vars {
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names: HashMap<String, &'static str>,
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vars: HashMap<&'static str, Box<dyn Var>>,
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var_values: HashMap<&'static str, RefCell<Box<dyn Any>>>,
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}
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impl Vars {
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pub fn new() -> Vars {
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Default::default()
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}
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pub fn register<T: Sized + Any>(&mut self, var: CVar<T>)
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where
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CVar<T>: Var,
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{
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if self.vars.contains_key(var.name) {
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panic!("Key registered twice {}", var.name);
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}
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self.names.insert(var.name.to_owned(), var.name);
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self.var_values
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.insert(var.name, RefCell::new(Box::new((var.default)())));
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self.vars.insert(var.name, Box::new(var));
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}
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pub fn get<T: Sized + Any>(&self, var: CVar<T>) -> Ref<T>
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where
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CVar<T>: Var,
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{
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// Should never fail
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let var = self.var_values.get(var.name).unwrap().borrow();
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Ref::map(var, |v| v.downcast_ref::<T>().unwrap())
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}
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pub fn set<T: Sized + Any>(&self, var: CVar<T>, val: T)
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where
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CVar<T>: Var,
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{
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*self.var_values.get(var.name).unwrap().borrow_mut() = Box::new(val);
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self.save_config();
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}
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pub fn load_config(&mut self) {
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if let Ok(file) = fs::File::open("conf.cfg") {
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let reader = BufReader::new(file);
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for line in reader.lines() {
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let line = line.unwrap();
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if line.starts_with('#') || line.is_empty() {
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continue;
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}
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let parts = line
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.splitn(2, ' ')
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.map(|v| v.to_owned())
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.collect::<Vec<String>>();
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let (name, arg) = (&parts[0], &parts[1]);
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if let Some(var_name) = self.names.get(name) {
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let var = self.vars.get(var_name).unwrap();
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let val = var.deserialize(arg);
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if var.can_serialize() {
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self.var_values.insert(var_name, RefCell::new(val));
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}
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}
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}
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}
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}
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pub fn save_config(&self) {
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let mut file = BufWriter::new(fs::File::create("conf.cfg").unwrap());
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for (name, var) in &self.vars {
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if !var.can_serialize() {
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continue;
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}
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for line in var.description().lines() {
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write!(file, "# {}\n", line).unwrap();
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}
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write!(
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file,
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"{} {}\n\n",
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name,
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var.serialize(&self.var_values.get(name).unwrap().borrow())
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)
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.unwrap();
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}
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}
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}
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pub struct Console {
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history: Vec<Component>,
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dirty: bool,
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elements: Option<ConsoleElements>,
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active: bool,
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position: f64,
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}
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struct ConsoleElements {
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background: ui::ImageRef,
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lines: Vec<ui::FormattedRef>,
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}
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impl Console {
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pub fn new() -> Console {
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Console {
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history: vec![Component::Text(TextComponent::new("")); 200],
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dirty: false,
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elements: None,
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active: false,
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position: -220.0,
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}
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}
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pub fn is_active(&self) -> bool {
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self.active
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}
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pub fn toggle(&mut self) {
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self.active = !self.active;
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}
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pub fn tick(
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&mut self,
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ui_container: &mut ui::Container,
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renderer: &render::Renderer,
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delta: f64,
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width: f64,
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) {
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if !self.active && self.position <= -220.0 {
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self.elements = None;
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return;
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}
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if self.active {
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if self.position < 0.0 {
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self.position += delta * 4.0;
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} else {
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self.position = 0.0;
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}
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} else if self.position > -220.0 {
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self.position -= delta * 4.0;
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} else {
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self.position = -220.0;
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}
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let w = match ui_container.mode {
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ui::Mode::Scaled => width,
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ui::Mode::Unscaled(scale) => 854.0 / scale,
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};
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if self.elements.is_none() {
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let background = ui::ImageBuilder::new()
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.texture("steven:solid")
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.position(0.0, self.position)
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.size(w, 220.0)
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.colour((0, 0, 0, 180))
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.draw_index(500)
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.create(ui_container);
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self.elements = Some(ConsoleElements {
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background,
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lines: vec![],
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});
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self.dirty = true;
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}
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let elements = self.elements.as_mut().unwrap();
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let mut background = elements.background.borrow_mut();
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background.y = self.position;
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background.width = w;
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if self.dirty {
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self.dirty = false;
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elements.lines.clear();
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let mut offset = 0.0;
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for line in self.history.iter().rev() {
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if offset >= 210.0 {
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break;
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}
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let (_, height) = ui::Formatted::compute_size(renderer, line, w - 10.0);
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elements.lines.push(
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ui::FormattedBuilder::new()
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.text(line.clone())
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.position(5.0, 5.0 + offset)
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.max_width(w - 10.0)
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.alignment(ui::VAttach::Bottom, ui::HAttach::Left)
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.create(&mut *background),
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);
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offset += height;
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}
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}
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}
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fn log(&mut self, record: &log::Record) {
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for filtered in FILTERED_CRATES {
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if record.module_path().unwrap_or("").starts_with(filtered) {
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return;
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}
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}
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let mut file = &record.file().unwrap_or("").replace("\\", "/")[..];
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if let Some(pos) = file.rfind("src/") {
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file = &file[pos + 4..];
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}
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println_level(
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record.level(),
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format!(
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"[{}:{}][{}] {}",
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file,
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record.line().unwrap_or(0),
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record.level(),
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record.args()
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),
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);
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self.history.remove(0);
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let mut msg = TextComponent::new("");
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msg.modifier.extra = Some(vec![
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Component::Text(TextComponent::new("[")),
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{
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let mut msg = TextComponent::new(file);
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msg.modifier.color = Some(Color::Green);
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Component::Text(msg)
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},
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Component::Text(TextComponent::new(":")),
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{
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let mut msg = TextComponent::new(&format!("{}", record.line().unwrap_or(0)));
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msg.modifier.color = Some(Color::Aqua);
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Component::Text(msg)
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},
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Component::Text(TextComponent::new("]")),
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Component::Text(TextComponent::new("[")),
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{
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let mut msg = TextComponent::new(&format!("{}", record.level()));
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msg.modifier.color = Some(match record.level() {
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log::Level::Debug => Color::Green,
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log::Level::Error => Color::Red,
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log::Level::Warn => Color::Yellow,
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log::Level::Info => Color::Aqua,
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log::Level::Trace => Color::Blue,
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});
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Component::Text(msg)
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},
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Component::Text(TextComponent::new("] ")),
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Component::Text(TextComponent::new(&format!("{}", record.args()))),
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]);
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self.history.push(Component::Text(msg));
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self.dirty = true;
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}
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}
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pub struct ConsoleProxy {
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console: Arc<Mutex<Console>>,
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}
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impl ConsoleProxy {
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pub fn new(con: Arc<Mutex<Console>>) -> ConsoleProxy {
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ConsoleProxy { console: con }
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}
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}
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impl log::Log for ConsoleProxy {
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fn enabled(&self, metadata: &log::Metadata) -> bool {
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metadata.level() <= log::Level::Trace
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}
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fn log(&self, record: &log::Record) {
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if self.enabled(record.metadata()) {
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self.console.lock().unwrap().log(record);
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}
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}
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fn flush(&self) {}
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}
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unsafe impl Send for ConsoleProxy {}
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unsafe impl Sync for ConsoleProxy {}
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