v1.2.0: show the symbol paytable on the slots board

1 files changed, 8 insertions, 21 deletions

diff --git a/src/server/games/slots.rs b/src/server/games/slots.rs
index 1d71c9d..e9f58b1 100644
--- a/src/server/games/slots.rs
+++ b/src/server/games/slots.rs
@@ -1,19 +1,9 @@
 use super::traits::{Game, GameError, GamePhase, GameResult, GameState};
+use crate::slots::PAYTABLE;
 use rand::Rng;
 use std::collections::HashMap;
 
-pub const REELS: usize = 5;
-pub const ROWS: usize = 3;
-pub const SYMBOLS: [char; 6] = ['C', 'L', 'O', 'G', 'D', 'S'];
-
-/// Five paylines, each entry is the row used on reel 0..4.
-pub const PAYLINES: [[usize; REELS]; 5] = [
-    [0, 0, 0, 0, 0], // line 1: top
-    [1, 1, 1, 1, 1], // line 2: middle
-    [2, 2, 2, 2, 2], // line 3: bottom
-    [0, 1, 2, 1, 0], // line 4: V
-    [2, 1, 0, 1, 2], // line 5: inverted V
-];
+pub use crate::slots::{PAYLINES, REELS, ROWS, SYMBOLS};
 
 #[derive(Clone, Copy)]
 struct Payout {
@@ -37,15 +27,12 @@ pub struct SlotsGame {
 
 impl SlotsGame {
     pub fn new() -> Self {
-        let mut payouts = HashMap::new();
-
-        // RTP = 425/432 = 0.9838 (1.62% house edge) with five paylines.
-        payouts.insert('C', Payout { three: 2, four: 5, five: 15 });
-        payouts.insert('L', Payout { three: 3, four: 7, five: 20 });
-        payouts.insert('O', Payout { three: 3, four: 8, five: 25 });
-        payouts.insert('G', Payout { three: 4, four: 12, five: 40 });
-        payouts.insert('D', Payout { three: 6, four: 18, five: 70 });
-        payouts.insert('S', Payout { three: 9, four: 30, five: 150 });
+        let payouts = PAYTABLE
+            .iter()
+            .map(|&(symbol, three, four, five)| {
+                (symbol, Payout { three, four, five })
+            })
+            .collect();
 
         Self {
             payouts,