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initial BVM usage (halfs performance :( )

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This commit is contained in:
Simon Gardling
2025-02-20 16:40:11 -05:00
parent dc9432b07b
commit e1d83825b7
3 changed files with 54 additions and 23 deletions
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21
src/logic/move.rs
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@@ -1,5 +1,9 @@
use lazy_static::lazy_static;
use crate::repr::{Board, Piece, Winner};
use super::board_value::BoardValueMap;
#[derive(Clone, Debug)]
pub struct Move {
/// `i` position of move
@@ -28,6 +32,10 @@ pub struct Move {
pub lazy_children: bool,
}
lazy_static! {
static ref BVM: BoardValueMap = BoardValueMap::new();
}
impl Move {
pub const fn coords(&self) -> (usize, usize) {
(self.i, self.j)
@@ -47,17 +55,6 @@ impl Move {
return 0;
}
let mut self_value = self.board.net_score(agent_color) as i64;
let corner_v_agent = Board::sides()
.filter(|&(i, j)| self.board.get_piece(i, j, agent_color))
.count() as i64;
let corner_v_not_agent = Board::sides()
.filter(|&(i, j)| self.board.get_piece(i, j, !agent_color))
.count() as i64;
// make net-corner capture important
self_value += (corner_v_agent - corner_v_not_agent) * 4;
self_value
BVM.board_value(&self.board, agent_color) as i64
}
}