From c46b8ef8b816cdfd4fc442c1d5805a871e6feb72 Mon Sep 17 00:00:00 2001
From: Simon Gardling <titaniumtown@proton.me>
Date: Thu, 20 Mar 2025 01:19:07 -0400
Subject: [PATCH] Move: add bvm option

---
 src/logic/move.rs | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/logic/move.rs b/src/logic/move.rs
index 56645ab..453aefb 100644
--- a/src/logic/move.rs
+++ b/src/logic/move.rs
@@ -37,8 +37,6 @@ pub struct Move {
     pub is_trimmed: bool,
 }
 
-const BVM: BoardValueMap = BoardValueMap::weighted();
-
 impl Move {
     pub fn new(coord: Option<CoordPair>, board: Board, color: Piece, agent_color: Piece) -> Self {
         let mut m = Move {
@@ -52,11 +50,11 @@ impl Move {
             self_value: 0,
             tried_children: false,
         };
-        m.self_value = m.compute_self_value(agent_color, &board);
+        m.self_value = m.compute_self_value(agent_color, &board, true);
         m
     }
 
-    fn compute_self_value(&self, agent_color: Piece, board: &Board) -> i16 {
+    fn compute_self_value(&self, agent_color: Piece, board: &Board, use_weighted_bvm: bool) -> i16 {
         if self.winner == Winner::Player(!agent_color) {
             // if this board results in the opponent winning, MAJORLY negatively weigh this move
             // NOTE! this branch isn't completely deleted because if so, the bot wouldn't make a move.
@@ -73,7 +71,12 @@ impl Move {
 
         // I guess ignore Ties here, don't give them an explicit value,
         // because even in the case of ties, we want to have a higher score
-        BVM.board_value(board, agent_color)
+
+        match use_weighted_bvm {
+            true => const { BoardValueMap::weighted() },
+            false => const { BoardValueMap::flat() },
+        }
+        .board_value(board, agent_color)
     }
 
     /// Sort children of the [`Move`] by their self_value in `arena`