From a7a26f7810e9bc5fec6020324a83a2a89b69ff79 Mon Sep 17 00:00:00 2001
From: eug-vs <eugene@eug-vs.xyz>
Date: Thu, 23 Feb 2023 15:35:15 +0300
Subject: refactor: implement Player trait for Grossmeister

---
 src/grossmeister/mod.rs | 26 ++++++++++++++++++--------
 1 file changed, 18 insertions(+), 8 deletions(-)

(limited to 'src/grossmeister/mod.rs')

diff --git a/src/grossmeister/mod.rs b/src/grossmeister/mod.rs
index d9e5d1d..d07aeee 100644
--- a/src/grossmeister/mod.rs
+++ b/src/grossmeister/mod.rs
@@ -1,4 +1,6 @@
-use crate::{board::Board, attacks::Attacks};
+use std::time::Duration;
+
+use crate::{board::Board, player::Player, moves::Move};
 use self::ttable::{TranspositionTable, TTABLE_SIZE};
 
 mod ttable;
@@ -9,12 +11,9 @@ mod search;
 /// This structure represents a player, it stores his knowledge
 /// and experience about the game.
 pub struct Grossmeister {
-    pub board: Board,
-
-    /// Array of pre-computed attack tables.
-    /// This structure allows Grossmeister to calculate attacks of the pieces
-    /// as fast as possible using his big brain.
-    attacks: Attacks,
+    /// GM's internal board representation
+    /// This is usually a copy of a real board
+    board: Board,
 
     /// Transposition table is a cache of all positions that Grossmeister
     /// has seen and evaluated.
@@ -22,13 +21,24 @@ pub struct Grossmeister {
     transposition_table: TranspositionTable,
 }
 
+impl Default for Grossmeister {
+    fn default() -> Self {
+        Self::new(Board::default())
+    }
+}
 
 impl Grossmeister {
     pub fn new(board: Board) -> Self {
         Self {
             board,
-            attacks: Attacks::new(),
             transposition_table: vec![None; TTABLE_SIZE as usize],
         }
     }
 }
+
+impl Player for Grossmeister {
+    fn analyze(&mut self, board: Board, duration: Duration) -> (f32, Vec<Move>) {
+        self.board = board; // Copy the board into GM's head
+        self.iterative_deepening(8, duration, true)
+    }
+}
-- 
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