viewing a text string for a member of a class....

This is a discussion on viewing a text string for a member of a class.... within the C++ Programming forums, part of the General Programming Boards category; I already tried making mobName a string, but i got the same error, + the binary << error.... I tried ...

  1. #16
    plzduntlakliekthiskthx
    Join Date
    Oct 2002
    Posts
    138
    I already tried making mobName a string, but i got the same error, + the binary << error.... I tried using strcpy( mobName, currentMob.c_str( ) ); and got this error....

    --------------------Configuration: rpgfight - Win32 Debug--------------------
    Compiling...
    rpgfight.cpp
    C:\PROGRAM FILES\PROGRAMMING\MICROSOFT VISUAL STUDIO\MYPROJECTS\rpgfight\rpgfight.cpp(269) : error C2039: 'cstr' : is not a member of 'cMob'
    C:\PROGRAM FILES\PROGRAMMING\MICROSOFT VISUAL STUDIO\MYPROJECTS\rpgfight\rpgfight.cpp(32) : see declaration of 'cMob'
    Error executing cl.exe.

    rpgfight.exe - 1 error(s), 0 warning(s)

  2. #17
    plzduntlakliekthiskthx
    Join Date
    Oct 2002
    Posts
    138
    It all comes down to this error right here. Whenever I try to put any string in a variable (either using string x, or char x[]) and try to do cout << x; I get this error...

    Code:
    --------------------Configuration: rpgfight - Win32 Debug--------------------
    Compiling...
    rpgfight.cpp
    C:\PROGRAM FILES\PROGRAMMING\MICROSOFT VISUAL STUDIO\MYPROJECTS\rpgfight\rpgfight.cpp(275) : error C2679: binary '<<' : no operator defined which takes a right-hand operand of type 'class std::basic_string<char,struct std::char_traits<char>,class st
    d::allocator<char> >' (or there is no acceptable conversion)
    Error executing cl.exe.
    
    rpgfight.exe - 1 error(s), 0 warning(s)
    I am using VC++ 6.0, using namespace std; And I have the following include files....
    #include <iostream>
    #include <cstdlib>
    #include <iomanip>
    #include <cstring>
    #include <windows.h> //For Colors....

  3. #18
    Registered User
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    2,662
    Hi,

    It you list an error with your code, it's helpful if you show the code and indicate where the error is occurring with a comment in your code. It seems like an obvious thing to do.

    " error C2039: 'cstr' : is not a member of 'cMob'"

    That seems like a pretty obvious error message,

    strcpy( mobName, currentMob.c_str( ) );

    "c_str" and "cstr" are not the same.
    Last edited by 7stud; 04-13-2003 at 05:02 PM.

  4. #19
    plzduntlakliekthiskthx
    Join Date
    Oct 2002
    Posts
    138
    oh, I am sorry... I thought maybe it was a typo so I tried c_str and cstr.... I am thinking maybe it is my compiler, so I am downloading the SP5 pack right now... I saw someone post a similar message on another board when I searched on google, and in their situation the code worked with someone who has SP5 installed... If anyone has SP5 or another compiler and could compile this for me I would be very grateful!
    Code:
    //rpgfight.cpp
    //An RPG-Style fighting game....
    //If you have any comments or suggestions please email me at o0obruceleeo0o@hotmail.com
    
    #include <iostream>
    #include <cstdlib>
    #include <iomanip>
    #include <cstring>
    #include <windows.h> //For Colors.... 
    
    
    using namespace std;
    
    //declare functions and variables...
    void menu();
    void yourStatus();
    void buyPotions();
    void buyArmor();
    void buyWeapons();
    void fight();
    void usePotion();
    void attack();
    void getName();
    char fightSelect;
    char menuSelect;
    int mobsKilled = 0;
    
    
    
    HANDLE h = GetStdHandle ( STD_OUTPUT_HANDLE );//This stuff is for colors
    WORD wOldColorAttrs;
    
    //class of monsters
    class cMob
    {
    public:
    	int attack;
    	int itsAttackPower;
    	int itsHP;
    	string itsName;
    	
    };
    cMob currentMob;
    cMob rabbit;
    cMob rat;
    cMob sTroll;
    cMob lTroll;
    cMob dragon;
    cMob boss1;
    
    
    
    
    //class for the user
    class you
    {
    public:
    	int yourHP;
    	
    };
    
    
    
    
    
    //class of weapons
    class cWeapons
    {
    public:
    	int itsDmg;
    
    };
    
    //Use Potion *************************************
    void usePotion()
    {
    	system("CLS");
    }
    
    
    
    //FIGHT ******************************************
    void fight()
    {
    	system("CLS");
    
    	
    	//monsters damages
    	rabbit.itsAttackPower= 1;
    	rat.itsAttackPower = 3;
    	sTroll.itsAttackPower = 6;
    	lTroll.itsAttackPower = 8;
    	dragon.itsAttackPower = 12;
    	boss1.itsAttackPower = 30;
    	//monsters Health
    	rabbit.itsHP = 4;
    	rat.itsHP = 7;
    	sTroll.itsHP = 15;
    	lTroll.itsHP = 25;
    	dragon.itsHP = 40;
    	boss1.itsHP = 80;
    	//monsters name
    	currentMob.itsName;
    	rabbit.itsName = "Rabbit";
    	rat.itsName = "Rat";
    	sTroll.itsName = "Small Troll";
    	lTroll.itsName = "Large Troll";
    	dragon.itsName = "Dragon";
    	boss1.itsName = "The Boss";
    
    	
    	//declare weapons
    	cWeapons fists;
    	cWeapons butterKnife;
        cWeapons dagger;
    	cWeapons shortsword;
    	cWeapons longblade;
    	cWeapons mythrilLongblade;
    	cWeapons bow;
    	cWeapons crossbow;
    	//weapons damages
    	fists.itsDmg = 1;
    	butterKnife.itsDmg = 2; 
    	dagger.itsDmg = 4;
    	shortsword.itsDmg = 8;
    	longblade.itsDmg = 15;
    	mythrilLongblade.itsDmg = 25;
    	bow.itsDmg = 10;
    	crossbow.itsDmg = 10;
    	
    
    	
    	//Statements to determine which monster the user fights....
    	if(mobsKilled < 3)
    	{
    		currentMob = rabbit;
    		
    	}
    	else if(mobsKilled > 3 && mobsKilled < 6)
    	{
    		currentMob=rat;
    	}
    	else if(mobsKilled > 6 && mobsKilled < 9)
    	{
    		currentMob = sTroll;
    
    	}
    	else if(mobsKilled > 9 && mobsKilled < 12)
    	{
    		currentMob = lTroll;
    	}
    	else if(mobsKilled > 12 && mobsKilled < 15)
    	{
    		currentMob = boss1;
    	}
    	
    
    		
    		
    	cout << "A: Attack" << setw(40) << "Monster" << endl
    		<< "P: Use Potion" << setw(40) << "Monster HP:" << endl 
             << "R: Run" << endl << endl
    		 << "Enter the appropriate letter:";
    	cin >> fightSelect;
    	
    	switch(fightSelect)
    	{
    	case 'a': attack();
    		break;
    	case 'A': attack();
    		break;
    	case 'p': usePotion();
    		break;
    	case 'P': usePotion();
    		break;
    	case 'r': menu();
    		break;
    	case 'R': menu();
    		break;
    	default: cout << "Please enter a valid input:";
    		break;
    	};
        
        
    	//(rand()%10);
    
    }
    
    //Buy Weapon ******************************************
    void buyWeapons()
    {
    	system("CLS");
    	cout << "Buy Weapons" << endl << endl;
    }
    
    //Buy Armor ******************************************
    void buyArmor()
    {
    	system("CLS");
    	cout << "Buy Armor" << endl << endl;
    }
    
    //Buy Potions ******************************************
    void buyPotions()
    {
    	system("CLS");
    	cout << "Buy Potions" << endl << endl;
    }
    
    //Your Status ******************************************
    void yourStatus()
    {
    	system("CLS");
    	cout << "Your Status" << endl << endl;
    }
    
    //MENU *******************************************
    void menu()
    {
    	system("CLS");
    	
    
    	
    	SetConsoleTextAttribute ( h, FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_INTENSITY ); //Sets the new text color
    	
    	cout << "F: Fight"
    		 << endl;
    	cout << "W: Buy Weapos"
    		 << endl;
    	cout << "A: Buy Armor"
    		 << endl;
    	cout << "P: Buy Potions"
    	     << endl;
    	cout << "S: Your Status"
    		 << endl << endl;
    	cout << "Enter the appropriate letter:";
    	cin  >> menuSelect;
    	switch(menuSelect)
    	{
    		case 'f': fight();
    			break;
    		case 'w': buyWeapons(); 
    			break;
    		case 'a': buyArmor();
    			break;
    		case 'p': buyPotions();
    			break;
    		case 's': yourStatus(); 
    			break;
    		case 'F': fight();
    			break;
    		case 'W': buyWeapons();
    			break;
    		case 'A': buyArmor();
    			break;
    		case 'P': buyPotions();
    			break;
    		case 'S': yourStatus();
    			break;
    		default: cout << "Please enter a valid input:";
    			break;
    	}
    	
    		
    }
    
    //Attack *****************************************
    void attack()
    {
    	         
    	
    	system("CLS"); //Clear screen
    	SetConsoleTextAttribute ( h, FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED); //Sets the new text color
    
    	cout << "Select a weapon to use:" << setw(40) << currentMob.itsName << endl << setw(67) << currentMob.itsHP << endl << endl
    		 << "F: Your Fists" << endl
    		 << "B: Butter Knife" << endl
    		 << "D: Dagger" << endl
    		 << "S: Shortsword" << endl
    		 << "L: Longblade" << endl
    		 << "M: Mythril Longblade" << endl
    		 << "B: Bow" << endl
    		 << "C: Crossbow" << endl;
    }
    
    
    
    //MAIN *******************************************
    int main()
    {
    	
    	menu();
    	
    
    	
    	
    
    
    	return 0;
    }

  5. #20
    Registered User
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    VC++ 6 doesn't like the outputting...gives the binary error when outputting....Dev C++ ran it fine when I #include <string>

  6. #21
    plzduntlakliekthiskthx
    Join Date
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    well darn... I hope the service pack helps, otherwise I'll download dev-c++. Thank you all so much for the replies!!!!!!

  7. #22
    Registered User
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    Code:
    void attack()
    {
    	         
    	char b[40];
    	strcpy (b, currentMob.itsName.c_str());
    	system("CLS"); //Clear screen
    	SetConsoleTextAttribute ( h, FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED); //Sets the new text color
    
    	cout << "Select a weapon to use:" << setw(40) << b << endl << setw(67) << currentMob.itsHP << endl << endl
    		 << "F: Your Fists" << endl
    		 << "B: Butter Knife" << endl
    		 << "D: Dagger" << endl
    		 << "S: Shortsword" << endl
    		 << "L: Longblade" << endl
    		 << "M: Mythril Longblade" << endl
    		 << "B: Bow" << endl
    		 << "C: Crossbow" << endl;
    }
    compiles fine in VC++

  8. #23
    C++ Developer XSquared's Avatar
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    Ontario, Canada
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    Actually the reason you were gettin the strcpy error is that what I meant was that you could use mobName as a string, and use the statement mobName = currentMob.itsName;, OR keep mobName as a char array and use strcpy.

    Guess I wasn't clear enough.

    Also, you forgot to include <string>. <cstring> is not the proper header file for std::string.
    Naturally I didn't feel inspired enough to read all the links for you, since I already slaved away for long hours under a blistering sun pressing the search button after typing four whole words! - Quzah

    You. Fetch me my copy of the Wall Street Journal. You two, fight to the death - Stewie

  9. #24
    plzduntlakliekthiskthx
    Join Date
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    OMG!! I thought cstring and string were the same!! lol I added <string> and it works now... Thank you SO much!!!

  10. #25
    Registered User
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    "it's helpful if you show the code and indicate where the error is occurring with a comment in your code. It seems like an obvious thing to do."

    And when you posted your code, did you do that?
    Last edited by 7stud; 04-13-2003 at 09:15 PM.

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