menu.cpp

SDL-Ball这款经典的弹球游戏克隆自arkanoid、dxball、breakout

/* ************************************************************************* * 
    SDL-Ball - DX-Ball/Breakout remake with openGL and SDL for Linux 
    Copyright (C) 2008 DusteD.dk

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>. 
 * ************************************************************************* */

struct score {
  int score;
  string name;
};


//TODO: get the other textue stuff into the class too
class menuClass {
private:
GLuint texHighScore[20]; 
textureClass tex[40];
GLuint dl;

public:
  menuClass()
  {
    glGenTextures(20, &texHighScore[0]);
    genHsTex(); //load the highscore file (if exists) and print to texture
    textureManager texMgr;

    dl = glGenLists(5); //Generate displaylists
  
    SDL_Color txtColorRed = {255,0,0};
    SDL_Color txtColorGreen = {0,255,0};
    SDL_Color txtColorBlue = {0,0,255};
    SDL_Color txtColorWhite = {255,255,255};
    SDL_Color txtColorBlack = {0,0,0};
  
    texMgr.load("data/gfx/menu/menu0.png", tex[0]);
    texMgr.load("data/gfx/menu/but0.png", tex[1]);
    texMgr.load("data/gfx/menu/but1.png", tex[2]);
    texMgr.load("data/gfx/menu/but2.png", tex[3]);

  
    glGenTextures(1, &tex[4].prop.texture);
    glGenTextures(1, &tex[5].prop.texture);
    glGenTextures(1, &tex[6].prop.texture);
    glGenTextures(1, &tex[7].prop.texture);
    glGenTextures(1, &tex[8].prop.texture);
    glGenTextures(1, &tex[9].prop.texture);
    glGenTextures(1, &tex[10].prop.texture);
    glGenTextures(1, &tex[11].prop.texture);
    glGenTextures(1, &tex[12].prop.texture);
    glGenTextures(1, &tex[13].prop.texture);
    glGenTextures(1, &tex[14].prop.texture);
    glGenTextures(1, &tex[15].prop.texture);
    glGenTextures(1, &tex[16].prop.texture);
    glGenTextures(1, &tex[17].prop.texture);
    glGenTextures(1, &tex[18].prop.texture);
    glGenTextures(1, &tex[19].prop.texture);
    glGenTextures(1, &tex[20].prop.texture);
    glGenTextures(1, &tex[21].prop.texture);
    glGenTextures(1, &tex[22].prop.texture);
    glGenTextures(1, &tex[23].prop.texture);
    glGenTextures(1, &tex[24].prop.texture);
    glGenTextures(1, &tex[25].prop.texture);
    glGenTextures(1, &tex[26].prop.texture);
    glGenTextures(1, &tex[27].prop.texture);
    glGenTextures(1, &tex[28].prop.texture);
    glGenTextures(1, &tex[29].prop.texture);
    glGenTextures(1, &tex[30].prop.texture);
    glGenTextures(1, &tex[31].prop.texture);
    glGenTextures(1, &tex[32].prop.texture);
    texMgr.load("data/gfx/menu/highscorebg.png", tex[33]);
    
  
    writeTxt(fonts[0],txtColorBlack,"Exit Game", tex[4].prop.texture,1); //0
    writeTxt(fonts[0],txtColorBlack,"Settings",  tex[5].prop.texture,1);
    writeTxt(fonts[0],txtColorBlack,"Highscores",tex[6].prop.texture,1);
    writeTxt(fonts[0],txtColorBlack,"Save Game", tex[7].prop.texture,1);
    writeTxt(fonts[0],txtColorBlack,"Load Game", tex[8].prop.texture,1);
    writeTxt(fonts[0],txtColorBlack,"Continue",  tex[9].prop.texture,1);
    writeTxt(fonts[0],txtColorBlack,"New Game",  tex[10].prop.texture,1);
  
    writeTxt(fonts[0],txtColorRed,  "Exit Game?",tex[11].prop.texture,1); //7 
    writeTxt(fonts[0],txtColorBlack,"Yes",    tex[12].prop.texture,1);
    writeTxt(fonts[0],txtColorBlack,"No",     tex[13].prop.texture,1);
    
    writeTxt(fonts[0],txtColorWhite,"Settings", tex[14].prop.texture,1); //10
    writeTxt(fonts[0],txtColorBlack,"Video Settings",tex[15].prop.texture,1);
    writeTxt(fonts[0],txtColorBlack,"Sound Settings",tex[16].prop.texture,1);
  
    writeTxt(fonts[0],txtColorWhite,"Video Settings",tex[17].prop.texture,1);
    writeTxt(fonts[0],txtColorBlack,"Fullscreen On/Off",tex[18].prop.texture,1); //14
    
    writeTxt(fonts[0],txtColorBlack,"Eyecandy On/Off",tex[19].prop.texture,1);
    writeTxt(fonts[0],txtColorBlack,"1600x1200", tex[20].prop.texture,1);
    writeTxt(fonts[0],txtColorBlack,"1024x768", tex[21].prop.texture,1); //18
    writeTxt(fonts[0],txtColorBlack,"Background On/Off", tex[22].prop.texture,1); //18
  
  
  
    writeTxt(fonts[0],txtColorWhite,"Sound Settings", tex[23].prop.texture,1); //19
    writeTxt(fonts[0],txtColorBlack,"Sound On", tex[24].prop.texture,1);
    writeTxt(fonts[0],txtColorBlack,"Sound Off", tex[25].prop.texture,1);
    
    writeTxt(fonts[0],txtColorWhite,"New Game", tex[28].prop.texture,1);
    writeTxt(fonts[0],txtColorGreen,"Easy", tex[29].prop.texture,1);
    writeTxt(fonts[0],txtColorBlue, "Normal", tex[30].prop.texture,1);
    
    writeTxt(fonts[0],txtColorBlack,"Back", tex[32].prop.texture,1); //28
  
    //Baggrund
    glNewList(dl, GL_COMPILE);
      glEnable(GL_TEXTURE_2D);
      glBindTexture(GL_TEXTURE_2D, tex[0].prop.texture);
      glBegin( GL_QUADS );
        glTexCoord2f(0.0f,0.0f);glVertex3f( -1.0, 1.0, 0.0 );
        glTexCoord2f(1.0f,0.0f);glVertex3f(  1.0, 1.0, 0.0 );
        glTexCoord2f(1.0f,1.0f);glVertex3f(  1.0,-1.0, 0.0 );
        glTexCoord2f(0.0f,1.0f);glVertex3f( -1.0,-1.0, 0.0 );
      glEnd( );
      glDisable(GL_TEXTURE_2D);
    glEndList( );
  
  
    //Hvide
    glNewList(dl+1, GL_COMPILE);
      glEnable(GL_TEXTURE_2D);
      glBindTexture(GL_TEXTURE_2D, tex[1].prop.texture);
      glBegin( GL_QUADS );
        glTexCoord2f(0.132f,0.3f); glVertex3f(  -0.5, 0.07, 0.0 );
        glTexCoord2f(0.87f, 0.3f); glVertex3f(   0.5, 0.07, 0.0 );
        glTexCoord2f(0.87f, 0.7f); glVertex3f(   0.5,-0.07, 0.0 );
        glTexCoord2f(0.132f,0.7f); glVertex3f(  -0.5,-0.07, 0.0 );
      glEnd( );
    glEndList( );
  
      //Røde
    glNewList(dl+2, GL_COMPILE);
      glEnable(GL_TEXTURE_2D);
      glBindTexture(GL_TEXTURE_2D, tex[2].prop.texture);
      glBegin( GL_QUADS );
        glTexCoord2f(0.132f,0.3f); glVertex3f(  -0.5, 0.07, 0.0 );
        glTexCoord2f(0.87f, 0.3f); glVertex3f(   0.5, 0.07, 0.0 );
        glTexCoord2f(0.87f, 0.7f); glVertex3f(   0.5,-0.07, 0.0 );
        glTexCoord2f(0.132f,0.7f); glVertex3f(  -0.5,-0.07, 0.0 );
      glEnd( );
    glEndList( );
  

  
  glNewList(dl+3, GL_COMPILE);
      glEnable(GL_TEXTURE_2D);
      glBegin( GL_QUADS );
        glTexCoord2f(0.0f,-0.02f); glVertex3f(  -0.5, 0.07, 0.0 );
        glTexCoord2f(1.0f,-0.02f); glVertex3f(   0.5, 0.07, 0.0 );
        glTexCoord2f(1.0f,0.13f); glVertex3f(   0.5,-0.07, 0.0 );
        glTexCoord2f(0.0f,0.13f); glVertex3f(  -0.5,-0.07, 0.0 );
      glEnd( );
      glDisable(GL_TEXTURE_2D);
    glEndList( );
  
    //Grøn
    glNewList(dl+4, GL_COMPILE);
      glEnable(GL_TEXTURE_2D);
      glBindTexture(GL_TEXTURE_2D, tex[3].prop.texture);
      glBegin( GL_QUADS );
        glTexCoord2f(0.132f,0.3f); glVertex3f(  -0.5, 0.07, 0.0 );
        glTexCoord2f(0.87f, 0.3f); glVertex3f(   0.5, 0.07, 0.0 );
        glTexCoord2f(0.87f, 0.7f); glVertex3f(   0.5,-0.07, 0.0 );
        glTexCoord2f(0.132f,0.7f); glVertex3f(  -0.5,-0.07, 0.0 );
      glEnd( );
    glEndList( );
  }
  
  void genHsTex()
  {
    ifstream hsList;
    SDL_Color color = { 255,255,255 };
    string line;
    char txt[128];
    int i=0,t;
    struct score *final, *temp;
    
    final = new struct score[1];

    
    hsList.open("data/highscores.txt");
    
    if(hsList.is_open())
    {
      while(!hsList.eof())
      {
        getline(hsList,line);

        if(line != "")
        {
          
          
          final[i].score = atoi(line.substr(0, line.find('|')).data());
          final[i].name = line.substr(line.find('|')+1);
        
          temp = new struct score[i+1];
          temp = final;
        
          final = new struct score[i+2];
          
          for(t = 0; t < i+1; t++)
          {
            final[t] = temp[t];
          }
          i++;
        }


      }
      hsList.close();

      delete[] temp;
      
      
      //Beware! Idiotic sorting method below, DO NOT LEARN HOW TO DO THIS!! IT IS WRONG AND SHOULD BE PUNISHED HARD (goes drinking again..)
      int k;
      bool done=0;
      bool swaps=0;
      struct score temp;
      while(!done)
      {
        for(k=0; k < i; k++)
        {
          for(t=0; t < i; t++)
          {
            if(final[k].score > final[t].score)
            {
              swaps=1;
              temp = final[t];
              final[t] = final[k];
              final[k] = temp;
            } else {
              swaps=0;
            }
          }
        }
        if(swaps == 0)
        {
          done=1;
        }
      }
      //End of idiotic sorting method.
      
     for(t=0; t < 20; t++)
     {
        sprintf(txt, "%i - %s", final[t].score, final[t].name.data());
        writeTxt(fonts[3], color, txt, texHighScore[t],0);
     }
    } // if is open


    /* */  

  }

  void doMenu()
  {
  
    int i=0;
    glColor4f(1.0, 1.0, 1.0, 1.0);
    glLoadIdentity();
    glTranslatef(0.0,0.0,-3.0f);
    glCallList(dl); //baggrunden
  
    glTranslatef(0.0,-1.0,0.0f);
    if(var.menu==1)
    {
      
      for(i=0; i < 6; i++)
      {
        glTranslatef(0.0,0.22,0.0f);
        if(var.menuItem-1==i)
        {
          glCallList(dl+2);
        }
        else
        {
          glCallList(dl+1);
        }
        
        glBindTexture(GL_TEXTURE_2D, tex[i+4].prop.texture);
        glCallList(dl+3);
        
      }
  
      //new game for sigselv
      glTranslatef(0.0,0.22,0.0f);
      if(var.menuItem==7)
        glCallList(dl+2);
      else
        glCallList(dl+4);
        
      glBindTexture(GL_TEXTURE_2D, tex[10].prop.texture);
      glCallList(dl+3);
  
  
      if(var.menuPressed)
      {
        switch(var.menuItem)
        {
          case 1: //quit
            var.menu=6;
            break;
          case 2: //settings
            var.menu=2;
            break;
          case 3: //highscores
            var.menu=7;
            break;
          case 6: //resume
            resumeGame();
            break;
          case 7: //new game
            var.menu=5;
        }
        var.menuPressed=0;
      }
    var.menuNumItems=7;
    } else if(var.menu==2)
    {
      //Settings
      
      //Back
      glTranslatef(0.0,0.22,0.0f);
      if(var.menuItem==1)
        glCallList(dl+2);
      else
        glCallList(dl+1);
        
      glBindTexture(GL_TEXTURE_2D, tex[32].prop.texture);
      glCallList(dl+3);
  
      //settings
      glLoadIdentity();
      glTranslatef(0.0, 0.54,-3.0f);
      
      glCallList(dl+4);
      
      glBindTexture(GL_TEXTURE_2D, tex[14].prop.texture);
      glCallList(dl+3);
      
      //Video
      glTranslatef(0.0,-0.22,0.0f);
      if(var.menuItem==6)
        glCallList(dl+2);