Integrate very WIP move-checking onto front-end

src/board.rs

@@ -24,6 +24,14 @@ impl Direction {
 pub struct Coordinates (pub u8, pub u8);
 
 impl Coordinates {
+
+    pub fn new_from_index(index: usize) -> Self {
+        let y = index / GRID_LENGTH as usize;
+        let x = index % GRID_LENGTH as usize;
+
+        Coordinates(x as u8, y as u8)
+    }
+
     fn add(&self, direction: Direction, i: i8) -> Option<Self> {
         let proposed = match direction {
             Direction::Column => {(self.0 as i8, self.1 as i8+i)}
@@ -89,6 +97,7 @@ impl Letter {
             }
         }
     }
+
 }
 
 #[derive(Debug, Copy, Clone, Serialize)]
@@ -101,14 +110,14 @@ pub enum CellType {
     Start,
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct Cell {
     pub value: Option<Letter>,
     pub cell_type: CellType,
     pub coordinates: Coordinates,
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct Board {
     pub cells: Vec<Cell>,
 }
@@ -376,8 +385,6 @@ impl Board {
         } else {
             return Err("Played tiles must be anchored to something")
         }
-
-
     }
 
     fn find_word_at_position(&self, mut start_coords: Coordinates, direction: Direction) -> Option<Word> {
@@ -431,6 +438,25 @@ impl Board {
         })
     }
 
+    pub fn receive_play(&mut self, play: Vec<(Letter, Coordinates)>) -> Result<(), String> {
+        for (mut letter, coords) in play {
+            {
+                let mut cell = match self.get_cell_mut(coords) {
+                    Ok(cell) => {cell}
+                    Err(e) => {return Err(e.to_string())}
+                };
+
+                if cell.value.is_some() {
+                    return Err(format!("There's already a letter at {:?}", coords));
+                }
+
+                letter.ephemeral = true;
+                cell.value = Some(letter);
+            }
+        }
+
+        Ok(())
+    }
 
 }
 
@@ -774,7 +800,7 @@ mod tests {
         board.get_cell_mut(Coordinates(6, 0)).unwrap().value = Some(Letter::new_fixed('L', 1));
 
         fn check_board(board: &mut Board, inverted: bool) {
-            let dictionary = DictionaryImpl::create("resources/dictionary.csv");
+            let dictionary = DictionaryImpl::create_from_path("resources/dictionary.csv");
             println!("{}", board);
             let words = board.find_played_words();
             match words {

src/dictionary.rs

@@ -1,9 +1,13 @@
 use std::collections::{HashMap, HashSet};
 use std::str::FromStr;
+use csv::Reader;
 use crate::board::Word;
 
 pub trait Dictionary {
-    fn create(path: &str) -> Self;
+
+    fn create_from_reader<T: std::io::Read>(reader: Reader<T>) -> Self;
+    fn create_from_path(path: &str) -> Self;
+    fn create_from_str(data: &str) -> Self;
     fn filter_to_sub_dictionary(&self, proportion: f64) -> Self;
     fn substring_set(&self) -> HashSet<&str>;
     fn is_word_valid(&self, word: &Word) -> bool;
@@ -12,8 +16,7 @@ pub type DictionaryImpl = HashMap<String, f64>;
 
 impl Dictionary for DictionaryImpl{
 
-    fn create(path: &str) -> Self {
-        let mut reader = csv::Reader::from_path(path).unwrap();
+    fn create_from_reader<T: std::io::Read>(mut reader: Reader<T>) -> Self {
         let mut map = HashMap::new();
 
         for result in reader.records() {
@@ -30,6 +33,20 @@ impl Dictionary for  DictionaryImpl{
         map
     }
 
+    fn create_from_path(path: &str) -> Self {
+        let reader = csv::Reader::from_path(path).unwrap();
+
+        DictionaryImpl::create_from_reader(reader)
+    }
+
+    fn create_from_str(data: &str) -> Self {
+        let reader = csv::ReaderBuilder::new()
+            .has_headers(true)
+            .from_reader(data.as_bytes());
+
+        DictionaryImpl::create_from_reader(reader)
+    }
+
     fn filter_to_sub_dictionary(&self, proportion: f64) -> Self {
         let mut map = HashMap::new();
 
@@ -71,7 +88,7 @@ mod tests {
 
     #[test]
     fn test_dictionary() {
-        let dictionary = HashMap::create("resources/dictionary.csv");
+        let dictionary = HashMap::create_from_path("resources/dictionary.csv");
 
         assert_eq!(dictionary.len(), 279429);
 

src/game.rs

@@ -1,8 +1,8 @@
 use rand::rngs::SmallRng;
 use rand::SeedableRng;
-use wasm_bindgen::prelude::wasm_bindgen;
 use crate::board::{Board, Letter};
 use crate::constants::{standard_tile_pool, TRAY_LENGTH};
+use crate::dictionary::{Dictionary, DictionaryImpl};
 use crate::player_interaction::ai::Difficulty;
 use crate::player_interaction::Tray;
 
@@ -20,10 +20,11 @@ pub struct PlayerState {
     tray: Tray
 }
 
-pub struct Game {
+pub struct Game{
     tile_pool: Vec<Letter>,
     board: Board,
     player: PlayerState,
+    dictionary: DictionaryImpl,
 }
 
 // Problem - I want to provide a UI to the player
@@ -37,7 +38,7 @@ pub struct Game {
 // This will later work out well when I build it out as an API for multiplayer.
 
 impl Game {
-    pub fn new(seed: u64) -> Self {
+    pub fn new(seed: u64, dictionary_text: &str) -> Self {
         let mut rng = SmallRng::seed_from_u64(seed);
 
         let mut letters = standard_tile_pool(Some(&mut rng));
@@ -55,6 +56,7 @@ impl Game {
             tile_pool: letters,
             board: Board::new(),
             player,
+            dictionary: DictionaryImpl::create_from_str(dictionary_text)
         }
     }
 
@@ -68,4 +70,14 @@ impl Game {
 
     pub fn get_board(&self) -> &Board {&self.board}
 
+    pub fn get_board_mut(&mut self) -> &mut Board {
+        &mut self.board
+    }
+
+    pub fn get_dictionary(&self) -> &DictionaryImpl {
+        &self.dictionary
+    }
+
+
+
 }

src/wasm.rs

@@ -1,18 +1,28 @@
+use serde::{Deserialize, Serialize};
 use serde_wasm_bindgen::Error;
+use tsify::Tsify;
 use wasm_bindgen::JsValue;
 use wasm_bindgen::prelude::wasm_bindgen;
-use crate::board::CellType;
+use crate::board::{Board, CellType, Coordinates, Letter};
 use crate::game::Game;
 
 #[wasm_bindgen]
 pub struct GameWasm(Game);
 
+
+#[derive(Deserialize, Tsify, Copy, Clone)]
+#[tsify(from_wasm_abi)]
+pub struct PlayedTile {
+    index: usize,
+    character: Option<char>,
+}
+
 #[wasm_bindgen]
 impl GameWasm {
 
     #[wasm_bindgen(constructor)]
-    pub fn new(seed: u64) -> GameWasm {
-        GameWasm(Game::new(seed))
+    pub fn new(seed: u64, dictionary_text: &str) -> GameWasm {
+        GameWasm(Game::new(seed, dictionary_text))
     }
 
     pub fn get_tray(&self) -> Result<JsValue, Error> {
@@ -30,4 +40,41 @@ impl GameWasm {
 
         serde_wasm_bindgen::to_value(&cell_types)
     }
+
+    pub fn receive_play(&mut self, tray_tile_locations: JsValue, commit_move: bool) -> Result<JsValue, JsValue> {
+        let tray_tile_locations: Vec<Option<PlayedTile>> = serde_wasm_bindgen::from_value(tray_tile_locations)?;
+
+        let mut board_instance = self.0.get_board().clone();
+        let tray = self.0.get_tray().clone();
+
+        let mut played_letters: Vec<(Letter, Coordinates)> = Vec::new();
+        for (i, played_tile) in tray_tile_locations.iter().enumerate() {
+            if played_tile.is_some() {
+                let played_tile = played_tile.unwrap();
+                let mut letter: Letter = tray.letters.get(i).unwrap().unwrap();
+
+                let coord = Coordinates::new_from_index(played_tile.index);
+                if letter.is_blank {
+                    match played_tile.character {
+                        None => {
+                            panic!("You can't play a blank character without providing a letter value")
+                        }
+                        Some(x) => {
+                            // TODO - I should check that the character is a valid letter
+                            letter.text = x;
+                        }
+                    }
+                }
+                played_letters.push((letter, coord));
+
+            }
+        }
+
+        board_instance.receive_play(played_letters)?;
+
+        let result = board_instance.calculate_scores(self.0.get_dictionary())?;
+
+        Ok(serde_wasm_bindgen::to_value(&&result.1).unwrap())
+
+    }
 }

ui/src/elements.tsx

@@ -1,5 +1,5 @@
 import * as React from "react";
-import {GameWasm, Letter as LetterData, Tray} from "word_grid";
+import {GameWasm, Letter as LetterData, PlayedTile, Tray} from "word_grid";
 import {createRoot} from "react-dom/client";
 import {Children, useMemo, useReducer, useState} from "react";
 
@@ -121,17 +121,29 @@ export function Game(props: {wasm: GameWasm}) {
         <Grid cellTypes={cellTypes} playerLetters={playerLetters} dispatch={dispatch}/>
         <TileTray letters={playerLetters} trayLength={7} dispatch={dispatch}/>
         <button onClick={(e) => {
-          dispatch({
-              "start": {
-                "location": LocationType.TRAY,
-                  "index": 0
-              },
-              "end": {
-                  "location": LocationType.GRID,
-                  "index": 3
-              },
-          })
-        }}>Swap two</button>
+            const playedTiles = playerLetters.map((i) => {
+                if (i === undefined) {
+                    return null;
+                }
+
+                if (i.location === LocationType.GRID) {
+                    let result: PlayedTile = {
+                        index: i.index,
+                        character: undefined
+                    };
+                    if (i.is_blank) {
+                        result.character = i.text;
+                    }
+
+                    return result;
+                }
+
+                return null;
+            });
+
+            const result = props.wasm.receive_play(playedTiles, false);
+            console.log({result});
+        }}>Check Submission</button>
     </>;
 
 

ui/src/index.tsx

@@ -1,9 +1,13 @@
 import init, {greet, GameWasm} from '../node_modules/word_grid/word_grid.js';
-import {Game, LocationType, PlayableLetterData, TileTray} from "./elements";
+import {Game} from "./elements";
 import {createRoot} from "react-dom/client";
-import {Tray} from "word_grid";
 import * as React from "react";
 
+// @ts-ignore
+const dictionary_url = new URL("../../resources/dictionary.csv", import.meta.url);
+
+let dictionary_text: string = null;
+
 async function run() {
     // First up we need to actually load the wasm file, so we use the
     // default export to inform it where the wasm file is located on the
@@ -33,7 +37,17 @@ async function run() {
     // modes
     await init();
 
-    let game = new GameWasm(BigInt(1234));
+    // need to retrieve the dictionary.csv file as text
+    if(dictionary_text == null){
+
+        dictionary_text = await fetch(dictionary_url).then((response) => {
+            return response.text()
+        })
+    }
+
+    let game = new GameWasm(BigInt(1234), dictionary_text);
+
+
 
     const cellTypes = game.get_board_cell_types();
     console.log({cellTypes});

ui/src/style.less

@@ -40,6 +40,10 @@
     left: 0;
     z-index: 1;
   }
+
+  .ephemeral {
+    opacity: 75%;
+  }
 }
 
 .grid-spot-normal{