chore: purge all hardcoded tables

raklaptudirm · Dec 28, 2024 · e6c12f1 · e6c12f1
1 parent 20f4b3b
commit e6c12f1
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Showing 3 changed files with 198 additions and 306 deletions.
diff --git a/games/src/ataxx/mod.rs b/games/src/ataxx/mod.rs
@@ -1,3 +1,7 @@
+use std::sync::LazyLock;
+
+use strum::IntoEnumIterator;
+
 // Make the contents of the non-namespaced
 // modules public, so they can be accessed
 // without their parent namespace.
@@ -19,6 +23,7 @@ crate::interface::game_details!(
             White "o" ("o");
 );
 
+use crate::interface::SetType;
 use crate::interface::{BitBoardType, RepresentableType};
 
 impl BitBoard {
@@ -30,115 +35,30 @@ impl BitBoard {
     }
 
     /// single returns the targets of a singular Move from the given Square.
-    pub const fn single(square: Square) -> BitBoard {
+    pub fn single(square: Square) -> BitBoard {
         SINGLES[square as usize]
     }
 
     /// double returns the targets of a jump Move from the given Square.
-    pub const fn double(square: Square) -> BitBoard {
+    pub fn double(square: Square) -> BitBoard {
         DOUBLES[square as usize]
     }
 }
 
-const SINGLES: [BitBoard; Square::N] = [
-    BitBoard(0x0000000000182),
-    BitBoard(0x0000000000385),
-    BitBoard(0x000000000070a),
-    BitBoard(0x0000000000e14),
-    BitBoard(0x0000000001c28),
-    BitBoard(0x0000000003850),
-    BitBoard(0x0000000003020),
-    BitBoard(0x000000000c103),
-    BitBoard(0x000000001c287),
-    BitBoard(0x000000003850e),
-    BitBoard(0x0000000070a1c),
-    BitBoard(0x00000000e1438),
-    BitBoard(0x00000001c2870),
-    BitBoard(0x0000000181060),
-    BitBoard(0x0000000608180),
-    BitBoard(0x0000000e14380),
-    BitBoard(0x0000001c28700),
-    BitBoard(0x0000003850e00),
-    BitBoard(0x00000070a1c00),
-    BitBoard(0x000000e143800),
-    BitBoard(0x000000c083000),
-    BitBoard(0x000003040c000),
-    BitBoard(0x0000070a1c000),
-    BitBoard(0x00000e1438000),
-    BitBoard(0x00001c2870000),
-    BitBoard(0x00003850e0000),
-    BitBoard(0x000070a1c0000),
-    BitBoard(0x0000604180000),
-    BitBoard(0x0001820600000),
-    BitBoard(0x0003850e00000),
-    BitBoard(0x00070a1c00000),
-    BitBoard(0x000e143800000),
-    BitBoard(0x001c287000000),
-    BitBoard(0x003850e000000),
-    BitBoard(0x003020c000000),
-    BitBoard(0x00c1030000000),
-    BitBoard(0x01c2870000000),
-    BitBoard(0x03850e0000000),
-    BitBoard(0x070a1c0000000),
-    BitBoard(0x0e14380000000),
-    BitBoard(0x1c28700000000),
-    BitBoard(0x1810600000000),
-    BitBoard(0x0081800000000),
-    BitBoard(0x0143800000000),
-    BitBoard(0x0287000000000),
-    BitBoard(0x050e000000000),
-    BitBoard(0x0a1c000000000),
-    BitBoard(0x1438000000000),
-    BitBoard(0x0830000000000),
-];
-const DOUBLES: [BitBoard; Square::N] = [
-    BitBoard(0x000000001c204),
-    BitBoard(0x000000003c408),
-    BitBoard(0x000000007c891),
-    BitBoard(0x00000000f9122),
-    BitBoard(0x00000001f2244),
-    BitBoard(0x00000001e0408),
-    BitBoard(0x00000001c0810),
-    BitBoard(0x0000000e10204),
-    BitBoard(0x0000001e20408),
-    BitBoard(0x0000003e44891),
-    BitBoard(0x0000007c89122),
-    BitBoard(0x000000f912244),
-    BitBoard(0x000000f020408),
-    BitBoard(0x000000e040810),
-    BitBoard(0x0000070810207),
-    BitBoard(0x00000f102040f),
-    BitBoard(0x00001f224489f),
-    BitBoard(0x00003e448913e),
-    BitBoard(0x00007c891227c),
-    BitBoard(0x0000781020478),
-    BitBoard(0x0000702040870),
-    BitBoard(0x0003840810380),
-    BitBoard(0x0007881020780),
-    BitBoard(0x000f912244f80),
-    BitBoard(0x001f224489f00),
-    BitBoard(0x003e448913e00),
-    BitBoard(0x003c081023c00),
-    BitBoard(0x0038102043800),
-    BitBoard(0x01c204081c000),
-    BitBoard(0x03c408103c000),
-    BitBoard(0x07c891227c000),
-    BitBoard(0x0f912244f8000),
-    BitBoard(0x1f224489f0000),
-    BitBoard(0x1e040811e0000),
-    BitBoard(0x1c081021c0000),
-    BitBoard(0x0102040e00000),
-    BitBoard(0x0204081e00000),
-    BitBoard(0x0448913e00000),
-    BitBoard(0x0891227c00000),
-    BitBoard(0x112244f800000),
-    BitBoard(0x020408f000000),
-    BitBoard(0x040810e000000),
-    BitBoard(0x0102070000000),
-    BitBoard(0x02040f0000000),
-    BitBoard(0x04489f0000000),
-    BitBoard(0x08913e0000000),
-    BitBoard(0x11227c0000000),
-    BitBoard(0x0204780000000),
-    BitBoard(0x0408700000000),
-];
+static SINGLES: LazyLock<[BitBoard; Square::N]> = LazyLock::new(|| {
+    let mut singles = [BitBoard::EMPTY; Square::N];
+    for square in Square::iter() {
+        let square_bb = BitBoard::from(square);
+        singles[square as usize] = BitBoard::singles(square_bb) ^ square_bb;
+    }
+    singles
+});
+
+static DOUBLES: LazyLock<[BitBoard; Square::N]> = LazyLock::new(|| {
+    let mut doubles = [BitBoard::EMPTY; Square::N];
+    for square in Square::iter() {
+        let singles = BitBoard::singles(BitBoard::from(square));
+        doubles[square as usize] = BitBoard::singles(singles) ^ singles;
+    }
+    doubles
+});