WebSVN – Games.Chess Giants – Diff – //chessengine.cpp

 static HANDLE hChessEngineStdinRd;
 static HANDLE hChessEngineStdinWr;
 static HANDLE hChessEngineStdoutRd;
 static HANDLE hChessEngineStdoutWr;
 static int current_obstinacy;
+static bool is_hint_pending;
 // prototypes of local functions
 static void PlayerEngine_Recv (player_t *player);
 static void PlayerEngine_Send (player_t *player);
 static wchar_t *Move_BuildString (boardmove_t *move);
    int length;
    boardmove_t move;
    player_t *current_player;
    player_t *opposite_player;
    bool do_update;
-   bool is_hint;
    // don't update the scene until told otherwise
    do_update = false;
    // get current and opposite players
+      }
       // has the game ended already ?
       if (the_board.game_state > STATE_PLAYING)
          continue; // ignore all that the engine tells us. Game is over already.
-      // is it a hint ?
-      if ((move_string = wcsstr (line_buffer, options.engine.program_options.replystring_hint)) != NULL)
-      {
-         move_string += wcslen (options.engine.program_options.replystring_hint); // go to the parsable data
-         is_hint = true;
-      }
       // else is it a normal move ?
       else if ((move_string = wcsstr (line_buffer, options.engine.program_options.replystring_move)) != NULL)
-      {
          move_string += wcslen (options.engine.program_options.replystring_move); // go to the parsable data
-         is_hint = false;
-      }
       // else it's any other sort of line
       else
          continue; // skip lines that don't contain any valid move data
          Debug_Log (L"===Skipping line (invalid move syntax)===\n%s", move_string);
          continue; // so now, if there are NOT two digits AND it's not a kind of castle, it can't be a move so skip that line
+      }
       // is it NOT a hint, are blunders allowed, should we do one now AND can we do one now ?
-      if (!is_hint && (options.engine.blunder_chances > 0) && (rand () % 100 < options.engine.blunder_chances)
+      if (!is_hint_pending && (options.engine.blunder_chances > 0) && (rand () % 100 < options.engine.blunder_chances)
           && Move_FindRandomMove (&the_board.moves[the_board.move_count - 1], player->color, &move))
+      {
          Player_SendBuffer_Add (player, 1000, options.engine.program_options.command_force, Move_BuildString (&move)); // send the blunderous move to the engine
          Player_SendBuffer_Add (player, 1000, L"\n"); // since the format string was read from the options, don't forget to end it with a carriage return
          if (wcscmp (options.engine.program, L"Crafty") == 0)
             Player_SendBuffer_Add (player, 1000, L"disp\n");
          Debug_Log (L"===Discarding engine move, forcing a blunderous move (%s) instead===\n", Move_BuildString (&move)); // blunder
       }
       // mark the engine's selected and hovered squares
       Board_SetSelectedAndHovered (&the_board, move.source[0], move.source[1], move.target[0], move.target[1]);
       // was it NOT a hint ?
-      if (!is_hint)
+      if (!is_hint_pending)
+      {
+         the_scene.gui.central_text.disappear_time = current_time + 1.0f; // fade the "thinking" phrase out now (FIXME: ugly)
+         the_scene.gui.want_spinwheel = false; // stop spinning wheel
          Board_AppendMove (&the_board, the_board.selected_position[0], the_board.selected_position[1], the_board.hovered_position[0], the_board.hovered_position[1], move.promotion_type, NULL);
          the_board.has_playerchanged = true; // do the movement and switch players
          // forget the hovered and selected positions
          Board_SetSelectedAndHovered (&the_board, -1, -1, -1, -1);
          animation_endtime = current_time + ANIMATION_DURATION; // wait for animation time seconds
          sound_playtime = current_time + ANIMATION_DURATION - 0.1f; // play sound near the end of animation
+      }
       // else it was a hint
       else
+      {
+         the_scene.gui.central_text.disappear_time = current_time + 0.1f; // fade the "thinking" phrase out now quickly (FIXME: ugly)
+         the_scene.gui.want_spinwheel = false; // stop spinning wheel
          highlight_endtime = current_time + 2.0f; // just highlight this part for a little more than one second
+         is_hint_pending = false; // remember no hint is pending any longer
+         // we must now restore the board to its last state. Just set up the board again from its current Forsyth-Edwards notation
+         Debug_Log (L"===Hint received, rebuilding board and telling engine to backup 1 move===\n");
+         Debug_Log (L"===setting up board using FEN string===\n");
+         // instruct it about its allowed search depth BEFORE each table set (this ensures engine will be "ready" to handle the command)
+         // then get the current game state in FEN format and feed it to the engine
+         Player_SendBuffer_Add (player, 1000, options.engine.program_options.command_sd, options.engine.depth);
+         Player_SendBuffer_Add (player, 1000, L"\n"); // since the format string was read from the options, don't forget to end it with a carriage return
+         Player_SendBuffer_Add (player, 1000, options.engine.program_options.command_setboard, the_board.moves[the_board.move_count - 1].fen_string);
+         Player_SendBuffer_Add (player, 1000, L"\n"); // since the format string was read from the options, don't forget to end it with a carriage return
+         if (wcscmp (options.engine.program, L"Crafty") == 0)
+            Player_SendBuffer_Add (player, 1000, L"disp\n");
+      }
-      the_scene.gui.central_text.disappear_time = current_time + 1.0f; // fade the "thinking" phrase out now (FIXME: ugly)
-      the_scene.gui.want_spinwheel = false; // stop spinning wheel
       do_update = true; // remember to update the 3D scene
+   }
    // now clean the input buffer of all the lines we parsed
    line_pointer = wcsrchr (player->recvbuffer, L'\n'); // reach the last carriage return
       // instruct it about its allowed search depth BEFORE each table set (this ensures engine will be "ready" to handle the command)
       // then get the current game state in FEN format and feed it to the engine
       Player_SendBuffer_Add (player, 1000, options.engine.program_options.command_sd, options.engine.depth);
       Player_SendBuffer_Add (player, 1000, L"\n"); // since the format string was read from the options, don't forget to end it with a carriage return
       Player_SendBuffer_Add (player, 1000, options.engine.program_options.command_setboard, the_board.moves[the_board.move_count - 1].fen_string);
       Player_SendBuffer_Add (player, 1000, L"\n"); // since the format string was read from the options, don't forget to end it with a carriage return
-      // and reset current obstinacy
+      current_obstinacy = 0; // reset current obstinacy
-      current_obstinacy = 0;
+      is_hint_pending = false; // no hint was requested so far
       if (wcscmp (options.engine.program, L"Crafty") == 0)
          Player_SendBuffer_Add (player, 1000, L"disp\n");
+   }
       // does our opponent want a hint ?
       if (current_player->wants_hint)
+      {
          current_player->wants_hint = false; // don't ask twice
          Debug_Log (L"===Hint requested, asking engine for it===\n");
-         Player_SendBuffer_Add (player, 1000, options.engine.program_options.command_hint); // ask for a hint
+         Player_SendBuffer_Add (player, 1000, options.engine.program_options.command_go); // tell the computer to analyze this position
          Player_SendBuffer_Add (player, 1000, L"\n"); // since the format string was read from the options, don't forget to end it with a carriage return
+         is_hint_pending = true; // remember a hint is pending
+         // FIXME: move to scene.cpp
+         Scene_SetText (&the_scene.gui.central_text, 50.0f, 40.0f, -1, ALIGN_CENTER, ALIGN_CENTER, ALIGN_CENTER, centermsg_fontindex, RGBA_TO_RGBACOLOR (255, 255, 255, 191),
+.0f, true, LOCALIZE (L"Thinking")); // display the "thinking" phrase in the middle of the screen
+         the_scene.gui.want_spinwheel = true; // start spinning wheel
+         do_update = true; // remember to update the 3D scene
+      }
       // does our opponent want to cancel a move ?
       if (current_player->wants_cancel)
+      {

Subversion Repositories Games.Chess Giants

Games.Chess Giants//chessengine.cpp – Rev 48 → 50