refactor: Rename to enum piece_t

src/ai/zobrist.h

@@ -22,7 +22,7 @@
 
 #include "position.h"
 
-static const hash_t zobrist0[Board::N_LOCATIONS][POINT_TYPE_COUNT] = {
+static const hash_t zobrist0[Board::N_LOCATIONS][PIECE_TYPE_COUNT] = {
 #ifdef TRANSPOSITION_TABLE_CUTDOWN
     {0x4E421A00, 0x3962FF00, 0x6DB6EE00, 0x219AE100},
     {0x1F3DE200, 0xD9AACB00, 0xD5173300, 0xD3F9EA00},

src/game/position.cpp

@@ -1179,7 +1179,7 @@ void Position::constructHash()
     context.hash = 0;
 
 #include "zobrist.h"
-    memcpy(context.zobrist, zobrist0, sizeof(hash_t) * Board::N_LOCATIONS * POINT_TYPE_COUNT);
+    memcpy(context.zobrist, zobrist0, sizeof(hash_t) * Board::N_LOCATIONS * PIECE_TYPE_COUNT);
 }
 
 hash_t Position::getHash()

src/game/position.h

@@ -45,7 +45,7 @@ public:
     hash_t hash{};
 
     // Zobrist 数组
-    hash_t zobrist[Board::N_LOCATIONS][POINT_TYPE_COUNT]{};
+    hash_t zobrist[Board::N_LOCATIONS][PIECE_TYPE_COUNT]{};
 
     // 局面阶段标识
     enum phase_t phase;

src/game/types.h

@@ -52,13 +52,13 @@ enum MoveDirection
 };
 
 // 棋盘点上棋子的类型
-enum PointType : uint16_t
+enum piece_t : uint16_t
 {
-    POINT_TYPE_EMPTY = 0,   // 没有棋子
-    POINT_TYPE_PLAYER1 = 1,    // 先手的子
-    POINT_TYPE_PLAYER2 = 2,     // 后手的子
-    POINT_TYPE_FORBIDDEN = 3,    // 禁点
-    POINT_TYPE_COUNT = 4
+    PIECE_EMPTY = 0,   // 没有棋子
+    PIECE_PLAYER_1 = 1,    // 先手的子
+    PIECE_PLAYER_2 = 2,     // 后手的子
+    PIECE_FORBIDDEN = 3,    // 禁点
+    PIECE_TYPE_COUNT = 4
 };
 
 // 玩家标识, 轮流状态, 胜负标识