refactor: 增加 phase 的成员

src/ai/search.cpp

@@ -89,11 +89,11 @@ depth_t AIAlgorithm::changeDepth(depth_t origDepth)
     };
 #endif /* ENDGAME_LEARNING */
 
-    if ((tempGame.position.phase) & (PHASE_PLACING)) {
+    if (tempGame.position.phase & PHASE_PLACING) {
         d = placingDepthTable[tempGame.getPiecesInHandCount(1)];
     }
 
-    if ((tempGame.position.phase) & (PHASE_MOVING)) {
+    if (tempGame.position.phase & PHASE_MOVING) {
         int p1 = tempGame.getPiecesOnBoardCount(1);
         int p2 = tempGame.getPiecesOnBoardCount(2);
 

src/game/position.cpp

@@ -471,7 +471,7 @@ bool Game::_capture(int r, int s)
 bool Game::capture(int location, int8_t updateCmdlist)
 {
     // 如果局面为"未开局"或“结局”，返回false
-    if (position.phase == PHASE_NOTSTARTED || position.phase == PHASE_GAMEOVER)
+    if (position.phase & PHASE_NOTPLAYING)
         return false;
 
     // 如非“去子”状态，返回false
@@ -642,8 +642,7 @@ bool Game::choose(int r, int s)
 
 bool Game::giveup(player_t loser)
 {
-    if (position.phase == PHASE_NOTSTARTED ||
-        position.phase == PHASE_GAMEOVER ||
+    if (position.phase & PHASE_NOTPLAYING ||
         position.phase == PHASE_NONE) {
         return false;
     }
@@ -771,7 +770,7 @@ inline int Game::update()
 
     // 根据局面调整计时器
 
-    if (!(position.phase == PHASE_PLACING || position.phase == PHASE_MOVING)) {
+    if (!(position.phase & PHASE_PLAYING)) {
         return -1;
     }
 
@@ -802,14 +801,10 @@ bool Game::win()
 // 是否分出胜负
 bool Game::win(bool forceDraw)
 {
-    if (position.phase == PHASE_GAMEOVER) {
+    if (position.phase & PHASE_NOTPLAYING) {
         return true;
     }
 
-    if (position.phase == PHASE_NOTSTARTED) {
-        return false;
-    }
-
     // 如果有时间限定
     if (rule.maxTimeLedToLose > 0) {
         position.phase = PHASE_GAMEOVER;

src/game/types.h

@@ -98,7 +98,9 @@ enum phase_t : uint16_t
     PHASE_NOTSTARTED = 1,       // 未开局
     PHASE_PLACING = 1 << 1,     // 开局（摆棋）
     PHASE_MOVING = 1 << 2,      // 中局（走棋）
-    PHASE_GAMEOVER = 1 << 3     // 结局
+    PHASE_GAMEOVER = 1 << 3,    // 结局
+    PHASE_PLAYING = PHASE_PLACING | PHASE_MOVING,  // 进行中
+    PHASE_NOTPLAYING = PHASE_NOTSTARTED | PHASE_GAMEOVER,  // 不在进行中
 };
 
 enum value_t : int16_t