378 lines
16 KiB
Rust
378 lines
16 KiB
Rust
use std::cell::{Cell, RefCell};
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use std::collections::VecDeque;
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use std::rc::Rc;
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use yew::prelude::*;
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//const ROWS: u8 = 8;
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const COLS: u8 = 7;
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const INFO_TEXT_MAX_ITEMS: u32 = 100;
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const INFO_TEXT_HEIGHT: i32 = 400;
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#[derive(Copy, Clone, Debug, PartialEq, Eq)]
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enum BoardState {
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Empty,
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Cyan,
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Magenta,
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}
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impl Default for BoardState {
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fn default() -> Self {
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Self::Empty
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}
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}
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#[derive(Clone, Debug, PartialEq, Eq)]
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struct MessageBus {
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queued: VecDeque<String>,
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}
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impl Default for MessageBus {
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fn default() -> Self {
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Self {
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queued: VecDeque::new(),
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}
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}
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}
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impl MessageBus {
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pub fn get_next_msg(&mut self) -> Option<String> {
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self.queued.pop_front()
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}
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pub fn push_msg(&mut self, msg: String) -> Result<(), String> {
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self.queued.push_back(msg);
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Ok(())
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}
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}
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#[derive(Copy, Clone, Debug, PartialEq, Eq)]
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enum Turn {
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CyanPlayer,
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MagentaPlayer,
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}
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#[derive(Clone, Debug, PartialEq)]
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struct SharedState {
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board: [Rc<Cell<BoardState>>; 56],
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bus: Rc<RefCell<MessageBus>>,
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turn: Turn,
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info_text_ref: NodeRef,
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}
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impl Default for SharedState {
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fn default() -> Self {
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Self {
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// cannot use [<type>; 56] because Rc does not impl Copy
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board: [
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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],
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bus: Rc::new(RefCell::new(MessageBus::default())),
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turn: Turn::CyanPlayer,
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info_text_ref: NodeRef::default(),
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}
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}
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}
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struct Slot {}
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enum SlotMessage {
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Press(u8),
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}
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#[derive(Clone, PartialEq, Properties)]
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struct SlotProperties {
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idx: u8,
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state: Rc<Cell<BoardState>>,
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bus: Rc<RefCell<MessageBus>>,
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}
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impl Component for Slot {
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type Message = SlotMessage;
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type Properties = SlotProperties;
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fn create(_ctx: &Context<Self>) -> Self {
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Self {}
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}
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fn view(&self, ctx: &Context<Self>) -> Html {
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let idx = ctx.props().idx;
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let state = match ctx.props().state.as_ref().get() {
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BoardState::Empty => "open",
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BoardState::Cyan => "cyan",
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BoardState::Magenta => "magenta",
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};
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let idx_copy = idx;
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let onclick = ctx.link().callback(move |_| SlotMessage::Press(idx_copy));
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let col = idx % COLS;
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let row = idx / COLS;
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html! {
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<button class={format!("slot {} r{} c{}", state, row, col)} id={format!("{}", idx)} onclick={onclick}>
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</button>
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}
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}
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fn update(&mut self, ctx: &Context<Self>, msg: Self::Message) -> bool {
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match msg {
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SlotMessage::Press(idx) => {
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let (shared, _) = ctx
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.link()
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.context::<SharedState>(Callback::noop())
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.expect("shared to be set");
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let result = shared.bus.borrow_mut().push_msg(format!("pressed {idx}"));
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if let Err(e) = result {
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log::error!("Error pushing msg to bus: {}", e);
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} else {
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log::info!("Pushed \"pressed {idx}\" msg to bus");
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}
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}
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}
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// notify Wrapper with message
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if let Some(p) = ctx.link().get_parent() {
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p.clone().downcast::<Wrapper>().send_message(());
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}
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true
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}
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}
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struct Wrapper {}
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impl Component for Wrapper {
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type Message = ();
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type Properties = ();
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fn create(_ctx: &Context<Self>) -> Self {
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Self {}
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}
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fn view(&self, ctx: &Context<Self>) -> Html {
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let (shared, _) = ctx
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.link()
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.context::<SharedState>(Callback::noop())
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.expect("state to be set");
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html! {
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<div class="wrapper">
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<Slot idx=0 state={shared.board[0].clone()} bus={shared.bus.clone()} />
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<Slot idx=1 state={shared.board[1].clone()} bus={shared.bus.clone()} />
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<Slot idx=2 state={shared.board[2].clone()} bus={shared.bus.clone()} />
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<Slot idx=3 state={shared.board[3].clone()} bus={shared.bus.clone()} />
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<Slot idx=4 state={shared.board[4].clone()} bus={shared.bus.clone()} />
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<Slot idx=5 state={shared.board[5].clone()} bus={shared.bus.clone()} />
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<Slot idx=6 state={shared.board[6].clone()} bus={shared.bus.clone()} />
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<Slot idx=7 state={shared.board[7].clone()} bus={shared.bus.clone()} />
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<Slot idx=8 state={shared.board[8].clone()} bus={shared.bus.clone()} />
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<Slot idx=9 state={shared.board[9].clone()} bus={shared.bus.clone()} />
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<Slot idx=10 state={shared.board[10].clone()} bus={shared.bus.clone()} />
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<Slot idx=11 state={shared.board[11].clone()} bus={shared.bus.clone()} />
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<Slot idx=12 state={shared.board[12].clone()} bus={shared.bus.clone()} />
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<Slot idx=13 state={shared.board[13].clone()} bus={shared.bus.clone()} />
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<Slot idx=14 state={shared.board[14].clone()} bus={shared.bus.clone()} />
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<Slot idx=15 state={shared.board[15].clone()} bus={shared.bus.clone()} />
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<Slot idx=16 state={shared.board[16].clone()} bus={shared.bus.clone()} />
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<Slot idx=17 state={shared.board[17].clone()} bus={shared.bus.clone()} />
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<Slot idx=18 state={shared.board[18].clone()} bus={shared.bus.clone()} />
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<Slot idx=19 state={shared.board[19].clone()} bus={shared.bus.clone()} />
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<Slot idx=20 state={shared.board[20].clone()} bus={shared.bus.clone()} />
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<Slot idx=21 state={shared.board[21].clone()} bus={shared.bus.clone()} />
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<Slot idx=22 state={shared.board[22].clone()} bus={shared.bus.clone()} />
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<Slot idx=23 state={shared.board[23].clone()} bus={shared.bus.clone()} />
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<Slot idx=24 state={shared.board[24].clone()} bus={shared.bus.clone()} />
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<Slot idx=25 state={shared.board[25].clone()} bus={shared.bus.clone()} />
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<Slot idx=26 state={shared.board[26].clone()} bus={shared.bus.clone()} />
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<Slot idx=27 state={shared.board[27].clone()} bus={shared.bus.clone()} />
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<Slot idx=28 state={shared.board[28].clone()} bus={shared.bus.clone()} />
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<Slot idx=29 state={shared.board[29].clone()} bus={shared.bus.clone()} />
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<Slot idx=30 state={shared.board[30].clone()} bus={shared.bus.clone()} />
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<Slot idx=31 state={shared.board[31].clone()} bus={shared.bus.clone()} />
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<Slot idx=32 state={shared.board[32].clone()} bus={shared.bus.clone()} />
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<Slot idx=33 state={shared.board[33].clone()} bus={shared.bus.clone()} />
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<Slot idx=34 state={shared.board[34].clone()} bus={shared.bus.clone()} />
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<Slot idx=35 state={shared.board[35].clone()} bus={shared.bus.clone()} />
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<Slot idx=36 state={shared.board[36].clone()} bus={shared.bus.clone()} />
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<Slot idx=37 state={shared.board[37].clone()} bus={shared.bus.clone()} />
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<Slot idx=38 state={shared.board[38].clone()} bus={shared.bus.clone()} />
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<Slot idx=39 state={shared.board[39].clone()} bus={shared.bus.clone()} />
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<Slot idx=40 state={shared.board[40].clone()} bus={shared.bus.clone()} />
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<Slot idx=41 state={shared.board[41].clone()} bus={shared.bus.clone()} />
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<Slot idx=42 state={shared.board[42].clone()} bus={shared.bus.clone()} />
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<Slot idx=43 state={shared.board[43].clone()} bus={shared.bus.clone()} />
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<Slot idx=44 state={shared.board[44].clone()} bus={shared.bus.clone()} />
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<Slot idx=45 state={shared.board[45].clone()} bus={shared.bus.clone()} />
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<Slot idx=46 state={shared.board[46].clone()} bus={shared.bus.clone()} />
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<Slot idx=47 state={shared.board[47].clone()} bus={shared.bus.clone()} />
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<Slot idx=48 state={shared.board[48].clone()} bus={shared.bus.clone()} />
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<Slot idx=49 state={shared.board[49].clone()} bus={shared.bus.clone()} />
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<Slot idx=50 state={shared.board[50].clone()} bus={shared.bus.clone()} />
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<Slot idx=51 state={shared.board[51].clone()} bus={shared.bus.clone()} />
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<Slot idx=52 state={shared.board[52].clone()} bus={shared.bus.clone()} />
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<Slot idx=53 state={shared.board[53].clone()} bus={shared.bus.clone()} />
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<Slot idx=54 state={shared.board[54].clone()} bus={shared.bus.clone()} />
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<Slot idx=55 state={shared.board[55].clone()} bus={shared.bus.clone()} />
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<div class="info_text_wrapper">
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<InfoText />
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</div>
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</div> // wrapper
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}
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}
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fn rendered(&mut self, ctx: &Context<Self>, _first_render: bool) {
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let (shared, _) = ctx
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.link()
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.context::<SharedState>(Callback::noop())
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.expect("state to be set");
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loop {
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if let Some(msg) = shared.bus.borrow_mut().get_next_msg() {
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let split_str: Vec<&str> = msg.split_whitespace().collect();
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if split_str.len() == 2 {
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if split_str[0] == "pressed" {
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if let Ok(idx) = split_str[1].parse::<u8>() {
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let output_str: String = format!("Got {idx} pressed.");
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log::info!("{}", &output_str);
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if let Some(info_text) =
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shared.info_text_ref.cast::<web_sys::HtmlParagraphElement>()
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{
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// create the new text to be appended in the output
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let window = web_sys::window().expect("no window exists");
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let document =
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window.document().expect("window should have a document");
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let p = document
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.create_element("p")
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.expect("document should be able to create <p>");
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p.set_text_content(Some(&output_str));
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// check if scrolled to bottom
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let at_bottom: bool = info_text.scroll_top() + INFO_TEXT_HEIGHT
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>= info_text.scroll_height();
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// append text to output
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info_text
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.append_with_node_1(&p)
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.expect("should be able to append to info_text");
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while info_text.child_element_count() > INFO_TEXT_MAX_ITEMS {
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info_text
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.remove_child(&info_text.first_child().unwrap())
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.expect("should be able to limit items in info_text");
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}
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// scroll to bottom only if at bottom
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if at_bottom {
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info_text.set_scroll_top(info_text.scroll_height());
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}
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} else {
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log::warn!("Failed to get \"info_text\"");
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}
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}
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}
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}
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} else {
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break;
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}
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}
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}
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fn update(&mut self, _ctx: &Context<Self>, _msg: Self::Message) -> bool {
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true
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}
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}
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#[derive(Clone, Debug, PartialEq, Eq)]
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struct InfoText {}
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impl Component for InfoText {
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type Message = ();
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type Properties = ();
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fn create(_ctx: &Context<Self>) -> Self {
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Self {}
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}
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fn view(&self, ctx: &Context<Self>) -> Html {
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let (shared, _) = ctx
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.link()
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.context::<SharedState>(Callback::noop())
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.expect("state to be set");
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html! {
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<div ref={shared.info_text_ref} class="info_text">
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{"Hello"}
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</div>
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}
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}
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}
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#[function_component(App)]
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fn app() -> Html {
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let ctx = use_state(SharedState::default);
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html! {
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<ContextProvider<SharedState> context={(*ctx).clone()}>
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<Wrapper />
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</ContextProvider<SharedState>>
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}
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}
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fn main() {
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// setup logging to browser console
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wasm_logger::init(wasm_logger::Config::default());
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// start webapp
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yew::start_app::<App>();
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}
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