hangman, C++ (vc++)

hangman

#include <iostream>
#include <string.h>
#include <ctype.h>
const int MAXLEN=256;
const char* wordfile="words.txt";
const char* profileprefex="prof_";
class View;
class Controller;
class Model;

class View {
  Model* m;
  const char*ascii[7]={
" o",
"\n/","|","\\",
"\n |",
"\n/"," \\"};
public:
  View(Model* m);
  void update();
};

class Controller {
public:
  char s[256];
  Model*m;
public:
  Controller(Model* m);
  void* go();
};

//state 0 loads profile
//state 1 plays a game
//state 2 displays win/lose
//state 3 asks to play again
//state 4 terminates

class Model {
  char word[MAXLEN];
  char chosen[MAXLEN];
  char incletters[MAXLEN];
  int wrong, right;
  char disp[MAXLEN];
  View*v;
  Controller* cn;
  int lastcorrect;
  char lastguess;
  int code;
  int state;
  void* in;
  int wins, losses;
  char user[256];
  void saveprofile();
public:
  Model(const char*s);
  int getwins();
  int getlosses();
  int getstate();
  int go();
  int loadprofile(char*s);
  void putview(View*v);
  void putcontroller(Controller*cn);
  const char* display();
  int winner();
  int loser();
  int gameover();
  int getwrong();
  const char* getincletters();
  int getright();
  const char*getword();
  void loadword();
  int restart();
public:
  int guess2(char c, int f);
  int getcode();
  int getlastcorrect();
  char getlastguess();
  void guess(char c);
public:  
  const char *getdisplay();
};

View::View(Model* m) {
     this->m = m;
}
void View::update() {
    int hm; const char**a=ascii;
    switch(m->getstate()) {
    case(0): std::cout<<"Enter a user name: "; break;
    case(1):
      hm = m->getwrong();
      std::cout<<hm<<" wrong, "<<m->getright()<<" right."
               <<std::endl<<std::endl;
      
      while(hm--) { 
        std::cout<<(*a++);
      }
      std::cout<<std::endl<<std::endl;
      std::cout<<m->getdisplay()<<std::endl;
      if(m->getright()+m->getwrong()>0) {
        if(m->getlastcorrect()) {
           std::cout<<"Yes "<<m->getlastcorrect()<<" "
                    <<m->getlastguess()<<std::endl;
        } else std::cout<<"No "<<m->getlastguess()<<std::endl;
      }
      std::cout<<"Incorrect letters: "<<m->getincletters()
               <<std::endl;
      std::cout<<"Enter a guess: "<<std::endl;
      break;
    case(2): if (m->winner()) 
               std::cout<<"WINNER!"<<std::endl;
             else
               std::cout<<"Lost."<<std::endl;
             std::cout<<"The word was: "<<m->getword()
                      <<std::endl;
             std::cout<<m->getwins()<<" wins and "
                      <<m->getlosses()<<std::endl;
             break;
    case(3): std::cout<<"Play again?(y/n) "<<std::endl;
    }
}

Model::Model(const char*s) {
    restart(); state=0;
  }
int Model::getstate() {return state;}
int Model::go() {
    v->update();
    char*s=(char*)(cn->go());
    switch(state){
      case(0): loadprofile(s); state=1; break;
      case(1): guess(*s); break;
      case(2): state=3; break;
      case(3): if (toupper(*s)!='Y') state=4;
               else {state=1; restart();}
               break;
      case(4): return 0;
    }
    return 1;
  }
int Model::loadprofile(char*s) { return 0; }
void Model::putview(View*v) { this->v=v; }
void Model::putcontroller(Controller*cn) {
     this->cn=cn;
   }
const char* Model::display() {
    return disp;
  }
int Model::winner() {
    return (!strchr(disp,'_')&&((wrong)<=7));
  }
int Model::loser() {
    return (!winner()&&((wrong)>=7));
  }
int Model::gameover() {
    return winner()*2+loser();
  }
int Model::getwrong() { return wrong; }
int Model::getright() { return right; }
const char*Model::getword() { return word; }
void Model::loadword() {strcpy(word,"elephant");}
int Model::restart() {
    loadword();
    wrong=0; right=0; 
    for(int i=0;word[i];i++){
      if(word[i]==' ') disp[i]=' ';
      else disp[i]='_'; 
      disp[i+1]=0;
    }
    *incletters=0;
    *chosen=0;
    lastcorrect=0;
    lastguess=0;
    return 0;
  }
int Model::guess2(char c, int f) { 
    if (word[f]==0) return 0;
    if (toupper(word[f])==toupper(c)) {
      disp[f]=toupper(c);
      return guess2(c,f+1)+1;
    } else return guess2(c,f+1);
  }
int Model::getcode() {return code; }
int Model::getlastcorrect() { return lastcorrect; }
char Model::getlastguess() { return lastguess; }
void Model::guess(char c) {
    std::cout<<c<<std::endl;
    int r;
    char s[2]; s[0]=c; s[1]=0;
    if (strchr(chosen,toupper(c))) {code=-1;return;}
    if (!isalpha(c)) {code=-2; return;}
    chosen[right+wrong]=toupper(c);
    chosen[right+wrong+1]=0;
    r=guess2(c,0);
    lastcorrect=r;
    lastguess=c;
    if(r==0) {
      incletters[wrong]=toupper(c);
      wrong++; 
      incletters[wrong]=0;
    } else {right++;}
    code= r;
    if (winner()) wins++;
    if (loser()) losses++;
    if (gameover()) { state=2; saveprofile(); }
  }
const char* Model::getdisplay() { return disp; }
const char* Model::getincletters() { return incletters; }
int Model::getwins() { return wins; }
int Model::getlosses() { return losses; }
void Model::saveprofile() {}

Controller::Controller(Model* m) {
     this->m=m;
  }
void* Controller::go() {
    
    switch(m->getstate()) {
      case(2): 
      case(4): break;
      default: std::cin>>s;
    } 
    return s;
    
  }

int main()
{
   Model m("elephant"); 
   View v(&m); 
   Controller cn(&m);
   m.putview(&v); m.putcontroller(&cn);
   while(m.go()) {}   
   //m.guess('e');
   //std::cout<<m.getdisplay()<<std::endl;
   return 0;
}


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