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use super::traits::{Game, GamePhase, GameState};
/// Height of the game board. It must never depend on the spin result, or an
/// in-place redraw would move to the wrong line.
pub const SLOT_BOARD_LINES: usize = 7;
pub struct SlotsGame;
impl SlotsGame {
pub fn new() -> Self {
Self
}
fn render_reels(&self, reels: &str) -> String {
let mut chars = reels.chars();
format!(
"[ {} ] [ {} ] [ {} ]",
chars.next().unwrap_or('?'),
chars.next().unwrap_or('?'),
chars.next().unwrap_or('?')
)
}
/// The fifth board line: current status, result, or error.
fn render_status(&self, state: &GameState) -> String {
if let Some(error) = state.data.get("error") {
return format!("ERROR: {error}");
}
if state.phase == GamePhase::Playing {
return "Spinning...".to_string();
}
if state.phase == GamePhase::Finished {
let winnings = state
.data
.get("winnings")
.map(String::as_str)
.unwrap_or("0");
return match state.data.get("win_type").map(String::as_str) {
Some("jackpot") => format!("JACKPOT! Winnings: {winnings} PLN"),
Some("two") => format!("Two of a kind! Winnings: {winnings} PLN"),
_ => "No win.".to_string(),
};
}
"Press [SPACE] to spin!".to_string()
}
}
impl Game for SlotsGame {
fn get_name(&self) -> &'static str {
"Slots"
}
fn render(&self, state: &GameState) -> String {
let reels = state.data.get("reels").cloned().unwrap_or_default();
let balance = state
.data
.get("balance")
.map(String::as_str)
.unwrap_or("?");
format!(
"=== SLOTS ===\r\nBet: {} PLN Balance: {} PLN\r\n{}\r\n\r\n{}\r\n\r\n[+/-] Adjust Bet [Q] Quit",
state.bet_amount,
balance,
self.render_reels(&reels),
self.render_status(state)
)
}
fn render_lines(&self, _state: &GameState) -> usize {
SLOT_BOARD_LINES
}
fn get_help(&self) -> String {
"SLOTS GAME\n\
=========\n\
Match symbols to win!\n\
\n\
Payouts:\n\
Three of a kind: 2x-28x bet\n\
Two of a kind: 1x-3x bet\n\
\n\
Symbols: C=Cherry, L=Lemon, O=Orange, G=Grapes, D=Diamond, S=Seven\n\
\n\
Controls:\n\
SPACE - Spin the reels\n\
+/- - Adjust bet amount\n\
Q - Exit the game"
.to_string()
}
}
|
