EN605.607.81.SP22_ASDM_Project/front_end/src/state.rs

390 lines
12 KiB
Rust

use crate::ai::AIDifficulty;
use crate::game_logic::{WinType, check_win_draw};
use crate::constants::{ROWS, COLS};
use std::collections::hash_set::HashSet;
use std::cell::Cell;
use std::fmt::Display;
use std::rc::Rc;
#[derive(Copy, Clone, Debug, PartialEq, Eq)]
pub enum GameState {
MainMenu,
SinglePlayer(Turn, AIDifficulty),
LocalMultiplayer,
NetworkedMultiplayer(Turn),
PostGameResults(BoardState),
}
impl Default for GameState {
fn default() -> Self {
GameState::MainMenu
}
}
impl From<MainMenuMessage> for GameState {
fn from(msg: MainMenuMessage) -> Self {
match msg {
MainMenuMessage::SinglePlayer(t, ai) => GameState::SinglePlayer(t, ai),
MainMenuMessage::LocalMultiplayer => GameState::LocalMultiplayer,
MainMenuMessage::NetworkedMultiplayer(t) => GameState::NetworkedMultiplayer(t),
}
}
}
#[derive(Copy, Clone, Debug, PartialEq, Eq)]
pub enum BoardState {
Empty,
Cyan,
Magenta,
CyanWin,
MagentaWin,
}
impl Default for BoardState {
fn default() -> Self {
Self::Empty
}
}
impl Display for BoardState {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match *self {
BoardState::Empty => f.write_str("open"),
BoardState::Cyan => f.write_str("cyan"),
BoardState::CyanWin => f.write_str("cyan win"),
BoardState::Magenta => f.write_str("magenta"),
BoardState::MagentaWin => f.write_str("magenta win"),
}
}
}
impl From<Turn> for BoardState {
fn from(t: Turn) -> Self {
match t {
Turn::CyanPlayer => BoardState::Cyan,
Turn::MagentaPlayer => BoardState::Magenta,
}
}
}
impl BoardState {
pub fn is_empty(&self) -> bool {
*self == BoardState::Empty
}
pub fn is_win(self) -> bool {
match self {
BoardState::Empty | BoardState::Cyan | BoardState::Magenta => false,
BoardState::CyanWin | BoardState::MagentaWin => true,
}
}
pub fn into_win(self) -> Self {
match self {
BoardState::Empty => BoardState::Empty,
BoardState::Cyan | BoardState::CyanWin => BoardState::CyanWin,
BoardState::Magenta | BoardState::MagentaWin => BoardState::MagentaWin,
}
}
pub fn from_win(&self) -> Self {
match *self {
BoardState::Empty => BoardState::Empty,
BoardState::Cyan | BoardState::CyanWin => BoardState::Cyan,
BoardState::Magenta | BoardState::MagentaWin => BoardState::Magenta,
}
}
}
#[derive(Copy, Clone, Debug, PartialEq, Eq)]
pub enum Turn {
CyanPlayer,
MagentaPlayer,
}
impl Display for Turn {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match *self {
Turn::CyanPlayer => f.write_str("CyanPlayer"),
Turn::MagentaPlayer => f.write_str("MagentaPlayer"),
}
}
}
impl From<BoardState> for Turn {
fn from(board_state: BoardState) -> Self {
match board_state {
BoardState::Empty | BoardState::Cyan | BoardState::CyanWin => Turn::CyanPlayer,
BoardState::Magenta | BoardState::MagentaWin => Turn::MagentaPlayer,
}
}
}
impl Turn {
pub fn get_color(&self) -> &str {
match *self {
Turn::CyanPlayer => "cyan",
Turn::MagentaPlayer => "magenta",
}
}
pub fn get_opposite(&self) -> Self {
match *self {
Turn::CyanPlayer => Turn::MagentaPlayer,
Turn::MagentaPlayer => Turn::CyanPlayer,
}
}
}
pub type BoardType = [Rc<Cell<BoardState>>; 56];
pub fn new_empty_board() -> BoardType {
[
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
Rc::new(Cell::new(BoardState::default())),
]
}
pub fn board_deep_clone(board: &BoardType) -> BoardType {
let cloned_board = new_empty_board();
for i in 0..board.len() {
cloned_board[i].replace(board[i].get());
}
cloned_board
}
pub type PlacedType = [Rc<Cell<bool>>; 56];
pub fn new_placed() -> PlacedType {
[
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
Rc::new(Cell::new(false)),
]
}
#[derive(Clone, Debug, PartialEq)]
pub struct SharedState {
pub board: BoardType,
pub game_state: Rc<Cell<GameState>>,
pub turn: Rc<Cell<Turn>>,
pub placed: PlacedType,
}
impl Default for SharedState {
fn default() -> Self {
Self {
// cannot use [<type>; 56] because Rc does not impl Copy
board: new_empty_board(),
game_state: Rc::new(Cell::new(GameState::default())),
turn: Rc::new(Cell::new(Turn::CyanPlayer)),
placed: new_placed(),
}
}
}
// This enum moved from yew_components module so that this module would have no
// dependencies on the yew_components module
#[derive(Copy, Clone, Debug, PartialEq, Eq)]
pub enum MainMenuMessage {
SinglePlayer(Turn, AIDifficulty),
LocalMultiplayer,
NetworkedMultiplayer(Turn),
}
pub fn new_string_board() -> String {
let mut board = String::with_capacity(56);
for _i in 0..56 {
board.push('a');
}
board
}
pub fn board_from_string(board_string: String) -> BoardType {
let board = new_empty_board();
for (idx, c) in board_string.chars().enumerate() {
match c {
'a' => board[idx].replace(BoardState::Empty),
'b' | 'd' | 'f' => board[idx].replace(BoardState::Cyan),
'c' | 'e' | 'g' => board[idx].replace(BoardState::Magenta),
_ => BoardState::Empty,
};
}
board
}
/// Returns the board as a String, and true if the game has ended
pub fn string_from_board(board: BoardType, placed: usize) -> (String, bool) {
let mut board_string = String::with_capacity(56);
// check for winning pieces
let mut win_set: HashSet<usize> = HashSet::new();
let win_opt = check_win_draw(&board);
if let Some((board_state, win_type)) = win_opt {
match win_type {
WinType::Horizontal(pos) => {
for i in pos..(pos + 4) {
win_set.insert(i);
}
}
WinType::Vertical(pos) => {
for i in 0..4 {
win_set.insert(pos + i * COLS as usize);
}
}
WinType::DiagonalUp(pos) => {
for i in 0..4 {
win_set.insert(pos + i - i * COLS as usize);
}
}
WinType::DiagonalDown(pos) => {
for i in 0..4 {
win_set.insert(pos + i + i * COLS as usize);
}
}
WinType::None => (),
}
}
// set values to String
let mut is_full = true;
for (idx, board_state) in board.iter().enumerate().take((COLS * ROWS) as usize) {
board_string.push(match board_state.get() {
BoardState::Empty => {
is_full = false;
'a'
}
BoardState::Cyan | BoardState::CyanWin => {
if win_set.contains(&idx) {
'd'
} else if idx == placed {
'f'
} else {
'b'
}
}
BoardState::Magenta | BoardState::MagentaWin => {
if win_set.contains(&idx) {
'e'
} else if idx == placed {
'g'
} else {
'c'
}
}
});
}
(board_string, is_full || !win_set.is_empty())
}