Clean up some todos -

print player's board by creating string (not using cout)
dynamically set # of factories based on # of players
reuse random number generator (no hard code seed)

include/GameBoard.h

@@ -3,6 +3,7 @@
 #include <vector>
 #include <ostream>
 #include <cstring>
+#include <random>
 #include "tile_utils.h"
 
 class GameBoard {
@@ -14,8 +15,7 @@ public:
     int tileCounts[azool::NUMCOLORS];
   };  // struct Factory
 
-  GameBoard();
-  GameBoard(int factories);
+  GameBoard(int nPlayers=2);
   friend std::ostream& operator<<(std::ostream& out, const GameBoard& board);
   bool validFactoryRequest(int factoryIdx, azool::TileColor color);
   bool takeTilesFromFactory(int factoryIdx, azool::TileColor color, int& numTiles);
@@ -31,6 +31,8 @@ public:
     return tileFactories.empty();
   }
 private:
+  GameBoard(const GameBoard&) = delete;
+  GameBoard operator=(const GameBoard&) = delete;
   void resetBoard();
   // - vector of factories?
   std::vector<Factory> tileFactories;
@@ -39,5 +41,6 @@ private:
   bool whiteTileInPool;  // initialize to true
   std::vector<azool::TileColor> tileBag;  // initialize to 20 of each color
   bool lastRound; // initialize to false
+  std::default_random_engine rng;
 };
 #endif // GAMEBOARD_H_

include/Player.h

@@ -16,7 +16,7 @@ public:
   void endRound(bool& fullRow);
   void finalizeScore();
   int getScore() const { return myScore; }
-  void printMyBoard() const;
+  std::string printMyBoard() const;
   bool tookPenalty() const { return myTookPoolPenaltyThisTurn; }
   const std::string getPlayerName() const { return myName; }
 

src/GameBoard.cc

@@ -1,34 +1,17 @@
 #include "GameBoard.h"
 #include <algorithm>
-#include <random>
 
-GameBoard::GameBoard() :
+GameBoard::GameBoard(int numPlayers) :
   tileFactories(),
-  maxNumFactories(5),  // TODO(feature) base on # of players? 2n+1
+  maxNumFactories(numPlayers*2+1),
   pool(),
   whiteTileInPool(true),
   tileBag(),
-  lastRound(false) {
+  lastRound(false),
+  rng(std::default_random_engine()) {
     resetBoard();
   }  // GameBoard::GameBoard
 
-GameBoard::GameBoard(int factories) :
-  tileFactories(),
-  maxNumFactories(factories),
-  pool(),
-  whiteTileInPool(true),
-  tileBag(),
-  lastRound(false) {
-    tileBag.reserve(azool::NUMCOLORS * 20);
-    for (int ii = 0; ii < azool::NUMCOLORS; ++ii) {
-      pool[ii] = 0;  // initialize pool to 0s
-      // initialize tile bag to 20 of each color
-      for (int jj = 0; jj < 20; jj++) {
-        tileBag[ii * 20 + jj] = static_cast<azool::TileColor>(ii);
-      }
-    }
-  }  // GameBoard::GameBoard
-
 std::ostream& operator<<(std::ostream& out, const GameBoard& board) {
   // user will input 1-indexed value, even though we 0-index internally
   int factCt = 1;
@@ -102,8 +85,7 @@ void GameBoard::dealTiles() {
   if (tileBag.size() < 4*numFactories) {
     numFactories++;
   }
-  // TODO(implementation) - set random seed (probably somewhere else)
-  std::shuffle(tileBag.begin(), tileBag.end(), std::default_random_engine(590));
+  std::shuffle(tileBag.begin(), tileBag.end(),  rng);
   auto itr = tileBag.begin();
   for (int ii = 0; ii < numFactories and itr != tileBag.end(); ++ii) {
     Factory fact;

src/Player.cc

@@ -1,6 +1,7 @@
 #include "Player.h"
 #include <iostream>
 #include <cstring>
+#include <sstream>
 
 Player::Player(GameBoard* const board, std::string name) :
   myGrid(),
@@ -228,41 +229,42 @@ void Player::finalizeScore() {
   myScore += (numFives*10);
 }  // Player::finalizeScore
 
-void Player::printMyBoard() const {
-  // TODO(implementation) - replace cout with ostream
-  std::cout << "*******************************\n";
-  std::cout << "PLAYER: " << myName << "\n";
-  std::cout << *myBoardPtr << "\n\n";
+std::string Player::printMyBoard() const {
+  std::ostringstream oss;
+  oss << "*******************************\n";
+  oss << "PLAYER: " << myName << "\n";
+  oss << *myBoardPtr << "\n\n";
   for (int ii = 0; ii < azool::NUMCOLORS; ++ii) {
-    std::cout << ii+1 << ") ";
+    oss << ii+1 << ") ";
     for (int jj = azool::NUMCOLORS; jj > (ii+1); --jj) {
-      std::cout << " ";
+      oss << " ";
     }
     for (int jj = ii; jj > -1; --jj) {
       if (myRows[ii].second == azool::NONE or
           jj >= myRows[ii].first) {
-        std::cout << "_";
+        oss << "_";
       }
       else if (jj < myRows[ii].first) {
-          std::cout << azool::TileColorSyms[myRows[ii].second];
+          oss << azool::TileColorSyms[myRows[ii].second];
       }
     }
     // print grid row
-    std::cout << "   |";
+    oss << "   |";
     for (int jj = 0; jj < azool::NUMCOLORS; ++jj) {
       // color = row + column % 5
       char color = (ii + jj) % 5;
       if (myGrid[ii][jj]) {
-        std::cout << static_cast<char>(azool::TileColorSyms[color] - 32) << "|";
+        oss << static_cast<char>(azool::TileColorSyms[color] - 32) << "|";
       }
       else {
-        std::cout << azool::TileColorSyms[color] << "|";
+        oss << azool::TileColorSyms[color] << "|";
       }
     }
-    std::cout << "\n";
+    oss << "\n";
   }  // iterate over rows
-  std::cout << "Penalties: " << myNumPenaltiesForTurn << std::endl;
-  std::cout << "Score: " << myScore << std::endl;
+  oss << "Penalties: " << myNumPenaltiesForTurn << "\n";
+  oss << "Score: " << myScore << "\n";
+  return oss.str();
   // TODO(feature) - print penalty tiles (?)
 }  // Player::printMyBoard
 
@@ -342,9 +344,10 @@ namespace {
 void Player::takeTurn() {
   // print game board, handle user input
   if (myBoardPtr->endOfRound()) return;
-  printMyBoard();
+  std::cout << printMyBoard();
   static const char* promptDrawInput = "What would you like to do?\n"
-                                       "[f] take from factory [p] take from pool "
+                                       "[f] take from factory "
+                                       "[p] take from pool "
                                        "[d] discard tile(s) "
                                        "[P] print game board again\n";
   static const char* promptDiscardInput = "From factory or pool? [f|p]\n";
@@ -401,7 +404,6 @@ void Player::takeTurn() {
       fullInput = true;
     }
     else if (drawType == 'd') {
-      // TODO(implementation) (make these strings more betterer)
       std::cout << promptDiscardInput << std::flush;
       char discardFrom = '\0';
       std::cin >> discardFrom;
@@ -438,7 +440,7 @@ void Player::takeTurn() {
       }  // discard from pool
     }
     else if (drawType == 'P') {
-      printMyBoard();
+      std::cout << printMyBoard();
     }
     else {
       std::cout << invalidEntryMessage << std::flush;

src/main.cc

@@ -7,7 +7,7 @@
 void testPrint(GameBoard* game) {
   game->dealTiles();
   Player p1(game);
-  p1.printMyBoard();
+  std::cout << p1.printMyBoard();
   return;
 }
 
@@ -49,9 +49,9 @@ void playGame(GameBoard* game) {
   players[1]->finalizeScore();
   std::cout << " Final scores:\n"
             << players[0]->getScore() << "\n" << std::flush;
-  players[0]->printMyBoard();
+  std::cout << players[0]->printMyBoard();
   std::cout << players[0]->getScore() << "\n" << std::flush;
-  players[1]->printMyBoard();
+  std::cout << players[1]->printMyBoard();
   if (players[0]) delete players[0];
   if (players[1]) delete players[1];
 }