Added the ability to set the number of digits in the guessed number.

bulls-and-cows-cpp/CGame.cpp

@@ -1,14 +1,11 @@
 // CGame.cpp
 //
 #include "CGame.h"
-#include <string>
+#include "CUserInput.h"
 #include <random>
-#include <cwctype>
-#include <iostream>
 
-void CGame::Init(int digits)
+void CGame::Init()
 {
-	m_ucDigits = digits;
 	m_fGameIsEnd = false;
 	m_ucBulls = 0;
 	m_ucCows = 0;
@@ -46,7 +43,7 @@ void CGame::Start()
 		do
 		{
 			PrintGameHeader();
-			ShowGuessedNumber(true);
+			ShowGuessedNumber(false);
 			PrintSteps();
 			ret = GetNumber(step);
 			switch (ret)
@@ -62,11 +59,6 @@ void CGame::Start()
 					break;
 				}
 				case -3:
-				{
-					m_sLastError = L"Вы должны ввести число!";
-					break;
-				}
-				case -4:
 				{
 					m_sLastError = L"Цифры в числе не должны повторяться!";
 					break;
@@ -106,9 +98,8 @@ void CGame::ShowGuessedNumber(bool show)
 void CGame::PrintGameHeader()
 {
 	std::system("cls");
-	std::wcout << L"Быки и Коровы. Версия " << VERSION << std::endl;
-	std::wcout << L"Copyright (c) 2023 by W0LF aka 'dreamforce'" << std::endl;
-	std::wcout << std::endl;
+	std::wcout << strGAMENAME << ' ' << strGAMEVERSION << ' ' << VERSION << std::endl;
+	std::wcout << strGAMECOPYRIGHT << '\n' << std::endl;
 }
 
 void CGame::PrintGameFooter()
@@ -150,13 +141,13 @@ int CGame::GetNumber(CStep step)
 		int r = std::iswdigit(c);
 		if (!(bool)r)
 		{
-			return -3;
+			return -2;
 		}
 		else
 		{
 			if (IsEqual(sNumber, c, i))
 			{
-				return -4;
+				return -3;
 			}
 			digits.push_back(((int)c) - 48);	// Convert from char 'n' to number n
 		}
@@ -165,11 +156,40 @@ int CGame::GetNumber(CStep step)
 	step.StoreStepNumber(digits);
 	step.CheckForAnimals(m_uGuessedNumber, m_ucDigits);
 	m_Steps.push_back(step);
-	if (step.GetStepAnimals().first == 4) m_fGameIsEnd = true;
+	if (step.GetStepAnimals().first == m_ucDigits) m_fGameIsEnd = true;
 
 	return 0;
 }
 
+CGame::CGame()
+{
+	CUserInput userInput(1);
+
+	bool ok = false;
+
+	do
+	{
+		PrintGameHeader();
+		std::wcout << L"Введите количество цифр в числе (от 3 до 7).\n";
+		std::wcout << L"Чем больше цифр - тем сложнее. Обычно 4.\n";
+		std::wcout << L"> ";
+		if (userInput.Get())
+		{
+			if (userInput.m_vUserInput.at(0) >= 3 && userInput.m_vUserInput.at(0) <= 7)
+			{
+				m_ucDigits = userInput.m_vUserInput.at(0);
+				ok = true;
+			}
+			else
+			{
+				userInput.m_vUserInput.clear();
+			}
+		}
+	} while (!ok);
+
+	std::wcout << L"m_ucDigits: " << m_ucDigits << std::endl;
+}
+
 CGame::~CGame()
 {
 	delete[] m_uGuessedNumber;

bulls-and-cows-cpp/CGame.h

@@ -1,15 +1,14 @@
 // CGame.h
 //
 #pragma once
+#include "defines.h"
+#include "CUserInput.h"
 #include "CStep.h"
-#include <string>
-
-#define VERSION 0.2
 
 class CGame
 {
 private:
-	int m_ucDigits;
+	int m_ucDigits = 4;		// Number of digits into the guessed number
 	int m_ucBulls;
 	int m_ucCows;
 	bool m_fGameIsEnd;
@@ -18,25 +17,19 @@ private:
 	std::wstring m_sLastError;
 	std::vector<CStep> m_Steps;
 
+	int GetNumber(CStep);
+	void ShowGuessedNumber(bool);
+	void PrintGameHeader();
+	void PrintGameFooter();
+	void PrintSteps();
+
 	template<typename T, typename N>
 	bool IsEqual(const T, const N, int);
 
-	int GetNumber(CStep);
-
-	void ShowGuessedNumber(bool);
-
-	void PrintGameHeader();
-
-	void PrintGameFooter();
-
-	void PrintSteps();
-
 public:
-
-	void Init(int);
-
+	void Init();
 	void Start();
-
+	CGame();
 	~CGame();
 };
 
@@ -47,7 +40,7 @@ bool CGame::IsEqual(const T number, const N digit, int i)
 
 	while ((--i) >= 0)
 	{
-		if (digit == number[i]) result = true;
+		if (digit == number.at(i)) result = true;
 	}
 	return result;
 }

bulls-and-cows-cpp/CUserInput.cpp

@@ -0,0 +1,40 @@
+// CUserInput.cpp
+//
+#include "CUserInput.h"
+
+CUserInput::CUserInput(int nNumOfDigits)
+{
+	m_nNumOfExpectedDigits = nNumOfDigits;
+}
+
+int CUserInput::Get()
+{
+	std::wstring sDigits;
+	wchar_t cDigit;
+	int nDigit;
+
+	std::getline(std::wcin, sDigits);
+
+	if (sDigits == L"Q" || sDigits == L"q")
+	{
+		return -1;
+	}
+
+	if (sDigits.length() != m_nNumOfExpectedDigits)
+	{
+		return -2;
+	}
+
+	for (unsigned i = 0; i < m_nNumOfExpectedDigits; i++)
+	{
+		cDigit = sDigits.at(i);
+		if (!(bool)std::iswdigit(cDigit))
+		{
+			m_vUserInput.clear();
+			return -2;
+		}
+		nDigit = ((int)cDigit) - 48;
+		m_vUserInput.push_back(nDigit);
+	}
+	return 0;
+}

bulls-and-cows-cpp/CUserInput.h

@@ -0,0 +1,18 @@
+// CUserInput.h
+//
+#pragma once
+#include "defines.h"
+#include <iostream>
+#include <string>
+#include <vector>
+#include <cwctype>
+
+class CUserInput
+{
+public:
+	int m_nNumOfExpectedDigits;
+	std::vector<int> m_vUserInput;
+
+	CUserInput(int nNumOfExpectedDigits);
+	int Get();
+};

bulls-and-cows-cpp/bulls-and-cows-cpp.vcxproj

@@ -81,6 +81,7 @@
     <Link>
       <SubSystem>Console</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
+      <RandomizedBaseAddress>false</RandomizedBaseAddress>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
@@ -133,11 +134,14 @@
     <ClCompile Include="bulls-and-cows.cpp" />
     <ClCompile Include="CGame.cpp" />
     <ClCompile Include="CStep.cpp" />
+    <ClCompile Include="CUserInput.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\..\MyFunctions\SetUserLocale.h" />
     <ClInclude Include="CGame.h" />
     <ClInclude Include="CStep.h" />
+    <ClInclude Include="CUserInput.h" />
+    <ClInclude Include="defines.h" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">

bulls-and-cows-cpp/bulls-and-cows-cpp.vcxproj.filters

@@ -27,6 +27,9 @@
     <ClCompile Include="CStep.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="CUserInput.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="CGame.h">
@@ -38,5 +41,11 @@
     <ClInclude Include="CStep.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="CUserInput.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="defines.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>

bulls-and-cows-cpp/bulls-and-cows.cpp

@@ -3,15 +3,13 @@
 #include <Windows.h>
 #include "..\..\..\MyFunctions\SetUserLocale.h"
 #include "CGame.h"
-//#include <iostream>
 
 int wmain(int argc, wchar_t* argv[])
 {
 	if (!SetUserLocale()) return 1;
 
 	CGame game;
-
-	game.Init(4);
+	game.Init();
 	game.Start();
 
 	return 0;

bulls-and-cows-cpp/defines.h

@@ -0,0 +1,6 @@
+#pragma once
+
+#define VERSION 0.2
+#define strGAMENAME L"Áûêè è Êîðîâû."
+#define strGAMEVERSION L"Âåðñèÿ"
+#define strGAMECOPYRIGHT L"Copyright (c) 2023 by W0LF aka 'dreamforce'"