void readfile()
{
ifstream file;

int i=0;

  file.open("maps", ios::in);
         if (file)
             {
                 while (!file.eof())
                     {
                         file>>input[i];
                         i++;
                     }
                 file.close();
             }
}

print1.display(input[i])

std::string input[N];
//...
char *s = input[i].c_str();

void display(const char* src);

setlocale(LC_ALL,"Russian");

system("chcp 1251");

textSurface=TTF_RenderText_Solid(fnt,text,color);
         texxture=SDL_CreateTextureFromSurface(renderer,textSurface);
         SDL_RenderCopy(renderer, texxture,  NULL, &Dest);

     while (!file.eof())
                     {
                         getline(file, input[i]);
                         i++;
                     }
                 file.close();

string conv (const wstring& wstr)
{
    return (string(wstr.begin(), wstr.end()));
}
...
wfstream file;
int i=0;

  file.open("maps//dialog.dlg", ios::in);
         if (file)
             {
                 while (!file.eof())
                     {
                         getline(file, input[i]);
                         i++;
                     }
                 file.close();
             }
...
string lin=conv(input[0]);
print1.display(lin.c_str(),80,50,w*25,18,200,200,200);
...

void DrawCamera(int)
{
float anglex;
float angley;
int mx, my;

//Обработка вращения;
anglex = 0;
angley = 0;

POINT cPt;
GetCursorPos(&cPt);
my=int(cPt.y)-320;
GetCursorPos(&cPt);
mx=int(cPt.x)-240;
SetCursorPos(320,240);

glPushMatrix();
anglex=(mx-(320/2))/16;
angley=(my-(240/2))/16;

if (anglex >= 360.0f || anglex <= -360.0f) anglex = 0.0f;
if (angley > 80.0f) angley = 80.0f;
if (angley < -80.0f) angley = -80.0f;

Rotate (anglex, angley, 0.0f);
glPopMatrix();

if(GetAsyncKeyState(VK_ESCAPE)){
exit(0);
}
return glutTimerFunc(100, DrawFPSCamera, 1);
}