option: 新增残局库自学习的菜单并默认打开

gamewindow.ui

@@ -227,7 +227,7 @@
      <x>0</x>
      <y>0</y>
      <width>491</width>
-     <height>23</height>
+     <height>22</height>
     </rect>
    </property>
    <widget class="QMenu" name="menu_F">
@@ -294,6 +294,7 @@
     <addaction name="actionGiveUpIfMostLose_G"/>
     <addaction name="actionAutoRestart_A"/>
     <addaction name="actionRandomMove_R"/>
+    <addaction name="actionLearnEndgame_E"/>
    </widget>
    <widget class="QMenu" name="menu_H">
     <property name="title">
@@ -1125,6 +1126,18 @@
     <string>必败时认输(&amp;G)</string>
    </property>
   </action>
+  <action name="actionLearnEndgame_E">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="checked">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>残局自学习
+(&amp;E)</string>
+   </property>
+  </action>
  </widget>
  <layoutdefault spacing="6" margin="11"/>
  <customwidgets>

src/ai/search.cpp

@@ -415,7 +415,8 @@ value_t AIAlgorithm::search(depth_t depth, value_t alpha, value_t beta, Node *no
     // 检索残局库
     Endgame endgame;
 
-    if (findEndgameHash(hash, endgame)) {
+    if (options.getLearnEndgameEnabled() &&
+        findEndgameHash(hash, endgame)) {
         switch (endgame.type) {
         case ENDGAME_PLAYER_1_WIN:
             node->value = VALUE_WIN;
@@ -693,7 +694,7 @@ const char* AIAlgorithm::bestMove()
 
 #ifdef ENDGAME_LEARNING
     // 检查是否明显劣势
-    if (1) {    // TODO: 替换为开关选项
+    if (options.getLearnEndgameEnabled()) {
         bool isMostWeak = true; // 是否明显劣势
 
         for (auto child : root->children) {

src/game/option.cpp

@@ -52,3 +52,13 @@ bool Options::getRandomMoveEnabled()
 {
     return randomMoveEnabled;
 }
+
+void Options::setLearnEndgameEnabled(bool enabled)
+{
+    learnEndgame = enabled;
+}
+
+bool Options::getLearnEndgameEnabled()
+{
+    return learnEndgame;
+}

src/game/option.h

@@ -35,6 +35,9 @@ public:
 
     void setRandomMoveEnabled(bool enabled);
     bool getRandomMoveEnabled();
+
+    void setLearnEndgameEnabled(bool enabled);
+    bool getLearnEndgameEnabled();
 protected:
 
 private:
@@ -46,6 +49,9 @@ private:
 
     // AI 是否随机走子
     bool randomMoveEnabled { true };
+
+    // AI 是否生成残局库
+    bool learnEndgame { true };
 };
 
 extern Options options;

src/game/position.cpp

@@ -24,6 +24,7 @@
 #include "search.h"
 #include "movegen.h"
 #include "player.h"
+#include "option.h"
 #include "zobrist.h"
 
 Game::Game()
@@ -36,7 +37,9 @@ Game::Game()
 
 #ifdef ENDGAME_LEARNING
     // TODO: 残局文件被加载了多次
-    AIAlgorithm::loadEndgameFileToHashMap();
+    if (options.getLearnEndgameEnabled()) {
+        AIAlgorithm::loadEndgameFileToHashMap();
+    }    
 #endif
 
     // 默认选择第1号规则，即“打三棋”

src/ui/qt/gamecontroller.cpp

@@ -97,7 +97,9 @@ GameController::~GameController()
     delete ai[2];
 
 #ifdef ENDGAME_LEARNING
-    AIAlgorithm::recordEndgameHashMapToFile();
+    if (options.getLearnEndgameEnabled()) {
+        AIAlgorithm::recordEndgameHashMapToFile();
+    }
 #endif /* ENDGAME_LEARNING */
 }
 
@@ -380,6 +382,11 @@ void GameController::setRandomMove(bool enabled)
     options.setRandomMoveEnabled(enabled);
 }
 
+void GameController::setLearnEndgame(bool enabled)
+{
+    options.setLearnEndgameEnabled(enabled);  
+}
+
 // 上下翻转
 void GameController::flip()
 {

src/ui/qt/gamecontroller.h

@@ -153,6 +153,9 @@ public slots:
     // AI 是否随机走子
     void setRandomMove(bool enabled);
 
+    // AI 是否记录残局库
+    void setLearnEndgame(bool enabled);
+
     // 上下翻转
     void flip();
 

src/ui/qt/gamewindow.cpp

@@ -214,6 +214,9 @@ void MillGameWindow::initialize()
     connect(ui.actionRandomMove_R, SIGNAL(toggled(bool)),
             game, SLOT(setRandomMove(bool)));
 
+    connect(ui.actionLearnEndgame_E, SIGNAL(toggled(bool)),
+            game, SLOT(setLearnEndgame(bool)));
+
     // 视图上下翻转
     connect(ui.actionFlip_F, &QAction::triggered,
             game, &GameController::flip);