From 9951e2d5afbcabb4bd8016b6d160653c1ec5ed8e Mon Sep 17 00:00:00 2001
From: salmonik <salmonik@tuta.io>
Date: Wed, 28 Oct 2026 23:45:43 +0100
Subject: v1.3.0: simplify payouts to bet x symbol x shape

---
 src/slots.rs | 53 +++++++++++++++++++++++++++++------------------------
 1 file changed, 29 insertions(+), 24 deletions(-)

(limited to 'src/slots.rs')

diff --git a/src/slots.rs b/src/slots.rs
index a3b4ef4..9e41f05 100644
--- a/src/slots.rs
+++ b/src/slots.rs
@@ -13,33 +13,38 @@ pub const PAYLINES: [[usize; REELS]; 5] = [
     [2, 1, 0, 1, 2], // line 5: inverted V
 ];
 
-/// (symbol, 3-of-a-kind, 4-of-a-kind, 5-of-a-kind) multipliers of total bet.
-pub const PAYTABLE: [(char, u64, u64, u64); 6] = [
-    ('C', 2, 5, 15),
-    ('L', 3, 7, 20),
-    ('O', 3, 8, 25),
-    ('G', 4, 12, 40),
-    ('D', 6, 18, 70),
-    ('S', 9, 30, 150),
+pub const LINE_NAMES: [&str; 5] = ["top", "middle", "bottom", "V", "inverted V"];
+
+/// Symbol value multipliers.
+pub const SYMBOL_MULTIPLIERS: [(char, u64); 6] = [
+    ('C', 1),
+    ('L', 2),
+    ('O', 3),
+    ('G', 4),
+    ('D', 6),
+    ('S', 10),
 ];
 
-/// Paytable rendered under the reels, split so it fits a narrow terminal.
+/// (match length, shape multiplier): 3, 4 or 5 of a kind.
+pub const SHAPE_MULTIPLIERS: [(usize, u64); 3] = [(3, 1), (4, 3), (5, 14)];
+
+/// Paytable rendered under the reels.
+///
+/// `payout = bet * symbol_multiplier * shape_multiplier`.
 pub fn paytable_lines() -> Vec<String> {
-    let entries: Vec<String> = PAYTABLE
+    let symbols = SYMBOL_MULTIPLIERS
+        .iter()
+        .map(|(symbol, multiplier)| format!("{symbol}{multiplier}"))
+        .collect::<Vec<_>>()
+        .join(" ");
+    let shapes = SHAPE_MULTIPLIERS
         .iter()
-        .map(|(symbol, three, four, five)| format!("{symbol} {three}/{four}/{five}"))
-        .collect();
+        .map(|(length, multiplier)| format!("{length}:{multiplier}"))
+        .collect::<Vec<_>>()
+        .join(" ");
 
-    entries
-        .chunks(3)
-        .enumerate()
-        .map(|(index, chunk)| {
-            let prefix = if index == 0 {
-                "Pays 3/4/5 x bet: "
-            } else {
-                ""
-            };
-            format!("{}{}", prefix, chunk.join(" "))
-        })
-        .collect()
+    vec![
+        "Pays bet x symbol x shape".to_string(),
+        format!("Symbol {symbols}   Shape {shapes}"),
+    ]
 }
-- 
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