pfadfinder-jeopardy/sdljpd.c

/***************************************************************************
               sdljpd.c  -  Jeopardy on steroids
                         -------------------
    begin                : So 15 Mai 2005 
    copyright            : (C) 2004 by Frederick Bullik
    email                : Frederick.Bullik@web.de
***************************************************************************/
/***************************************************************************
*                                                                         *
*   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 2 of the License, or     *
*   (at your option) any later version.                                   *
*                                                                         *
***************************************************************************/

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h> /*include datei die das Komandozeilen handling vereinfacht*/
#include <time.h>
#include <math.h>
#include <sys/io.h>

#include "SDL.h"
#include "SDL_image.h"
#include "SDL_ttf.h"
#include "SDL_mixer.h"

/* Define our booleans */
 #define TRUE  1 
 #define FALSE 0 

#define RENDER_MODE 2 //0=solid 1=shaded 2=blended

/* screen width, height, and bit depth */
/** \brief Die Bildschirmbreite fuer den Fenstermodus */
#define SCREEN_WIDTH  1024
/** \brief Die Bildschirmhohe fuer den Fenstermodus */
#define SCREEN_HEIGHT 768
/** \brief Farbtiefe des Bildschirmes */
#define SCREEN_BPP    24 

/* make prototype of getopt because of "implicit declaration" */
int getopt(int argc, char * const argv[], const char *optstring);
extern char *optarg;
extern int optind, opterr, optopt;

char xpfp[1000];
char buf[10000];
char pl1[1000];  
char pl2[1000];  
char pl3[1000];
char pl4[1000];
char blub[1000];

int enp = FALSE;
int inp = FALSE;
signed int score[4] ={0,0,0,0};
int scorebuf;
int plselect = 0;
int lockbz = FALSE;
int xpos = 0, ypos = 0;
int solved[5][5] = {{0,0,0,0,0},
		    {0,0,0,0,0},
		    {0,0,0,0,0},
		    {0,0,0,0,0},
		    {0,0,0,0,0}};
int pkt[5] = {100,200,300,400,500};
int artype;
int countxa = 0;
int countya = 0;
int countxf = 0;
int countyf = 0;
int countxt = 0;

FILE *file;

typedef struct s_block{
char frage[10000];
char antwort[1000];
} t_block;

typedef struct {
char katname[1000];
} t_kat;

t_block myblock[5][5];
t_kat mykat[5];

Mix_Music *music = NULL;

Mix_Music *buzz_sound = NULL;


/** \brief This is our SDL surface 
*
* Unser Haupt SDL Surface
*/
SDL_Surface *surface; /*Display Surface*/
SDL_Surface *kachel; /*hintergrund fuer die Fragefelder*/
SDL_Surface *bgrnd; /*makriert blockierte Felder */
SDL_Surface *nfield; /*Score, Namensfekder der Spieler*/
SDL_Surface *plac; /*kenzeichnung acktiver Spierler*/
SDL_Surface *afr; /*kenzeichnung des aktives fragen feldes */
SDL_Surface *text;
SDL_Surface *panel;

SDL_Rect drect;

SDL_Color color={255,125,0};

TTF_Font *font;

SDL_Joystick *joystick;

/** \brief Hier Raeumen wir nach Programablauf auf.
*
* \param returnCode Der Zurueckzugebende Return Code
* \return Gibt den Uebergebenen Code aus
*/
/* function to release/destroy our resources and restoring the old desktop */
void Quit( int returnCode )
{
	Mix_HaltMusic();
	Mix_FreeMusic(music);
	music = NULL;

	system("./set_led 0 0 0 0");

	SDL_JoystickClose(joystick);
	     	
 	SDL_FreeSurface(panel);
 	SDL_FreeSurface(text);
 	SDL_FreeSurface(afr);
 	SDL_FreeSurface(plac);
 	SDL_FreeSurface(nfield);
 	SDL_FreeSurface(kachel);
 	SDL_FreeSurface(bgrnd);
 	SDL_FreeSurface(surface);

	TTF_CloseFont(font);
 
 	TTF_Quit();

 	/* clean up the window */
	SDL_Quit( );
	
	/*fclose(file);*/
	 
	printf("\033[33mPunktestand:\033[m\n%s: %i\n%s: %i\n%s: %i\n%s: %i\n", pl1, score[0], pl2, score[1], pl3, score[2], pl4, score[3]);
    
    	/* and exit appropriately */
    	exit( returnCode );
}

void musicDone(void){
Mix_HaltMusic();
  Mix_FreeMusic(music);
   music = NULL;
   music = Mix_LoadMUS("bgmusic-loop.wav");
   Mix_PlayMusic(music, -1);
}

void music_init(void){
if(music == NULL) {
music = Mix_LoadMUS("bgmusic-intro.wav");
Mix_PlayMusic(music, 0);
Mix_HookMusicFinished(musicDone);
}
	
}

void filefill(void)
{

	if(artype == 1)
	{	
		strcpy(mykat[countxt].katname,blub);
		countxt ++;
		blub[0] = '\0';
				
	}

	if(artype == 2)
	{	
		strcpy(myblock[countxf][countyf].frage,blub);
		countyf ++;
		blub[0] = '\0';
				
		if(countyf >4)
			{
			countyf = 0;
			countxf ++;
			}
		}

	if(artype == 3)
	{	
		strcpy(myblock[countxa][countya].antwort,blub);
		 countya ++;
		blub[0] = '\0';
		
		if(countya >4)
		   {
		 countya = 0;
		 countxa ++;
		   }
		}
		
}

void filefoo (void)
{

	char ch[100];
	char ach;
	
	file = fopen(xpfp,"r");
	
	if(file == NULL)
	{
	 	fprintf(stderr, "Folgende Datei konnte nicht geladen werden:%s\n",xpfp );
	}
	
	
	while (fscanf(file,"%s",ch) )
	{
			
			if (strcmp(ch,"Topic:") == 0){
				filefill();
				artype = 1;
				continue;
				}
			
			if (strcmp(ch,"Frage:")== 0){
				filefill();
				artype = 2;
				continue;
				}

			if (strcmp(ch,"Antwort:") == 0){
				filefill();
				artype = 3;
				continue;
				}

			strcat(blub, ch);
			strcat(blub, " ");
			
		if (fscanf(file,"%c",&ach) == EOF){
		filefill();
		break;
		}
	}
	
fclose(file);
	
}

void loadtex( void )
{
      kachel = IMG_Load("kachel100.jpg");

      if (kachel == NULL)
	{
		fprintf(stderr, "Das Bild konnte nicht geladen werden:%s\n", SDL_GetError());
	 	exit(-1);
	 }
      
	bgrnd = IMG_Load("bgrnd100.jpg");

       if (bgrnd == NULL)
         {
         	fprintf(stderr, "Das Bild konnte nicht geladen werden:%s\n", SDL_GetError());
                exit(-1);
         }

        nfield = IMG_Load("nfield.jpg");

	if (nfield == NULL)
	    {
		fprintf(stderr, "Das Bild konnte nicht geladen werden:%s\n", SDL_GetError());
		exit(-1);
	     }
 

	 plac = IMG_Load("sp.jpg");

	 if (plac == NULL)
	   {
		fprintf(stderr, "Das Bild konnte nicht geladen werden:%s\n", SDL_GetError());
		exit(-1);
	  }

	afr = IMG_Load("aq.jpg");

	if (afr == NULL)
	   {
		fprintf(stderr, "Das Bild konnte nicht geladen werden:%s\n", SDL_GetError());
	    	exit(-1);
	  }

	panel  = IMG_Load("panel1.jpg");

	if (panel == NULL)
	    {
	    	fprintf(stderr, "Das Bild konnte nicht geladen werden:%s\n", SDL_GetError());
	    	exit(-1);
	    }
}

void get_buz (void)
{
	int i,n;

	SDL_JoystickUpdate ();
	
	if(lockbz == FALSE )
	{
		for ( i=0; i < SDL_JoystickNumButtons ( joystick ); ++i )
		{
			n = SDL_JoystickGetButton ( joystick, i );
			if ( n != 0 ) {
		     		if(i == 0)
				{
					plselect = 0; 
        	        		lockbz = TRUE;
					system("./set_led 1 0 0 0");
					Mix_PlayMusic(buzz_sound, 0);
				}
					
        	     		if(i == 5)
				{
					plselect = 1;
					lockbz = TRUE;
					system("./set_led 0 1 0 0");
					Mix_PlayMusic(buzz_sound, 0);
		         	}
				
		     		if(i == 10)
		       		{
		        		plselect = 2;
					lockbz = TRUE;
					system("./set_led 0 0 1 0");
					Mix_PlayMusic(buzz_sound, 0);
				}    
		     		if(i == 15)
		       		{
		        		plselect = 3;
					lockbz = TRUE;
					system("./set_led 0 0 0 1");
					Mix_PlayMusic(buzz_sound, 0);
				}  
			}
		}	
	}
}

void draw_sdl (void)
{
	int countx =0;
	int county =0;

	int i, k, n=0;

	/* Spielfeld geschlumpfe*/
	drect.w = kachel -> w;
	drect.h = kachel -> h;

	SDL_SetAlpha(bgrnd, SDL_SRCALPHA | SDL_RLEACCEL, 128);
	SDL_SetAlpha(afr, SDL_SRCALPHA | SDL_RLEACCEL, 128);
	SDL_SetAlpha(plac, SDL_SRCALPHA | SDL_RLEACCEL, 128);

	get_buz();

	SDL_FillRect(surface, NULL, 0); 

	for(county=0;county<=4;county++)
	{
		drect.y = (county*100) + 100;	

		for(countx=0;countx<=4;countx++)
		{
			drect.x = (countx*200) + 65;
	
			SDL_BlitSurface(kachel, NULL, surface, &drect );
	
			if(solved[countx][county] == 0){
				SDL_FreeSurface(text);
				sprintf(buf,"%i",pkt[county]);
				/*if(pkt[county]==100){buf = "100";}
				if(pkt[county]==200){buf = "200";}
				if(pkt[county]==300){buf = "300";}
				f(pkt[county]==400){buf = "400";}
				if(pkt[county]==500){buf = "500";}*/
				text = TTF_RenderText_Blended(font, buf,color);
				drect.x = drect.x + 23;
				SDL_BlitSurface(text,NULL,surface,&drect);
			}
	
			if(solved[countx][county] >=1){
	 			SDL_BlitSurface(bgrnd, NULL, surface, &drect );
				if(solved[countx][county] == 1) strcpy(buf,pl1);
				if(solved[countx][county] == 2) strcpy(buf,pl2);
				if(solved[countx][county] == 3) strcpy(buf,pl3);
	
				drect.x = (countx*200) + 65;
				drect.y = drect.y + 23;
					
				SDL_FreeSurface(text);
				text = TTF_RenderText_Blended(font, buf , color);
				drect.w = text -> w;
				drect.h = text -> h;
				SDL_BlitSurface(text,NULL,surface,&drect);	
	
				drect.y = drect.y - 23;
			}
		
						
		}

		for(countx=0;countx<=5;countx++)
		{
			drect.x = (countx*200) + 65;
			drect.y = 45;
			strcpy(buf,mykat[countx].katname);
			SDL_FreeSurface(text);
			text = TTF_RenderText_Blended(font, buf , color);
			SDL_BlitSurface(text,NULL,surface,&drect);
		}
	
		/* The Code for the Panle Drawing goes here */
		if(enp == TRUE){
			drect.w = panel -> w;
			drect.h = panel -> h;
			drect.x = 185;
			drect.y = 100;
			SDL_BlitSurface(panel, NULL, surface, &drect );
			drect.x = drect.x + 23;
			drect.y = drect.y + 23;
			SDL_FreeSurface(text);
			text =  TTF_RenderText_Blended(font, "Antwort:" , color);
			SDL_BlitSurface(text,NULL,surface,&drect);
			
			i = 0;
			while (i<strlen(myblock[xpos][ypos].frage))
			{
				for (k=0; k<=100; k++)
					buf[k] = 0;
				for (k=0; k<=45; k++) {
					if (myblock[xpos][ypos].frage[i+k] == ' ') {
						n = k;
					}
				}
				if ( n < 10)  n = 45;
				drect.y = drect.y + 23;
				strncpy(buf,myblock[xpos][ypos].frage+i, n);
				SDL_FreeSurface(text);
				text = TTF_RenderText_Blended(font, buf , color);
				SDL_BlitSurface(text,NULL,surface,&drect);
				i += n;
			}
			drect.y = drect.y - 23;
			drect.x = drect.x - 23;
			drect.y = drect.y - 23;
			}
	
		if(inp == TRUE){
			drect.w = panel -> w;
			drect.h = panel -> h;
			drect.x = 185;
			drect.y = 100;
			SDL_BlitSurface(panel, NULL, surface, &drect);
			drect.x = drect.x + 23;
			drect.y = drect.y + 23;
			SDL_FreeSurface(text);
			text =  TTF_RenderText_Blended(font, "Frage:" , color);
                        SDL_BlitSurface(text,NULL,surface,&drect);
			
			i = 0;
			while (i<strlen(myblock[xpos][ypos].antwort))
			{
				for (k=0; k<=100; k++)
					buf[k] = 0;
				for (k=0; k<=45; k++) {
					if (myblock[xpos][ypos].antwort[i+k] == ' ') {
						n = k;
					}
				}
				if ( n < 10)  n = 45;
		        	 drect.y = drect.y + 23;
		        	 strncpy(buf,myblock[xpos][ypos].antwort+i,n);
		        	 SDL_FreeSurface(text);
		        	 text = TTF_RenderText_Blended(font, buf , color);
		        	 SDL_BlitSurface(text,NULL,surface,&drect);
				i += n;
			}
		         drect.y = drect.y - 23;      
			
			 drect.x = drect.x - 23;
			 drect.y = drect.y - 23;
			}
	}

	/*Player gefuddel */

	drect.y = (ypos*100) + 100;
	drect.x = (xpos*200) + 65;
	if(enp == FALSE && inp == FALSE){
	SDL_BlitSurface(afr,NULL,surface, &drect);
	}

	drect.w = nfield -> h;
	drect.h = nfield -> w;
	drect.y = 650;
	
	for(countx=0;countx<=3;countx++)
	{
		drect.x = (countx*250) + 50;
	        SDL_BlitSurface(nfield, NULL, surface, &drect );
	}

	drect.x = (plselect*250) + 50;
	SDL_BlitSurface(plac,NULL,surface,&drect);

	drect.y = drect.y + 23;

   	SDL_FreeSurface(text);
   	text = TTF_RenderText_Blended(font, pl1,color);
   	drect.x = 65;
   	SDL_BlitSurface(text,NULL,surface,&drect);
   
   	SDL_FreeSurface(text);
   	text = TTF_RenderText_Blended(font, pl2,color);
   	drect.x = (250) + 65;
   	SDL_BlitSurface(text,NULL,surface,&drect);
  
   	SDL_FreeSurface(text);
   	text = TTF_RenderText_Blended(font, pl3,color);
   	drect.x = (2*250) + 65;
   	SDL_BlitSurface(text,NULL,surface,&drect);

   	SDL_FreeSurface(text);
   	text = TTF_RenderText_Blended(font, pl4,color);
   	drect.x = (3*250) + 65;
   	SDL_BlitSurface(text,NULL,surface,&drect);
   
   	drect.y = drect.y + 30;
      
      	SDL_FreeSurface(text);
      	scorebuf = score[0];
      	sprintf(buf,"%i",scorebuf);
      	text = TTF_RenderText_Blended(font,buf,color);
      	drect.x = 65;
      	SDL_BlitSurface(text,NULL,surface,&drect);

       	SDL_FreeSurface(text);
       	scorebuf = score[1];
       	sprintf(buf,"%i",scorebuf);
       	text = TTF_RenderText_Blended(font,buf,color);
       	drect.x = (250) + 65;
       	SDL_BlitSurface(text,NULL,surface,&drect);
		
       	SDL_FreeSurface(text);
       	scorebuf = score[2];
       	sprintf(buf,"%i",scorebuf);
       	text = TTF_RenderText_Blended(font,buf,color);
       	drect.x = (2*250) + 65;
       	SDL_BlitSurface(text,NULL,surface,&drect);

       	SDL_FreeSurface(text);
       	scorebuf = score[3];
       	sprintf(buf,"%i",scorebuf);
       	text = TTF_RenderText_Blended(font,buf,color);
       	drect.x = (3*250) + 65;
       	SDL_BlitSurface(text,NULL,surface,&drect);
 
	SDL_Flip(surface);
}


int main( int argc, char **argv )
{
  	/** \brief Zählt argc*/
   	int option;
	
    	/** \brief Flags zur Übergabe an den Video mode */
    	int videoFlags;
	
    	/** \brief Variable der Hauptschleife */
    	int done = FALSE;
	
    	/** \brief sammelt Events */
    	SDL_Event event;
    
	/** \brief Display Informationen */
    	const SDL_VideoInfo *videoInfo;
    	
	/** \brief Ist unser Fenster Acti? */
    	int isActive = TRUE;
	
    	/** \brief String für den Fenstertitel */
    	char *wmcapt ="SdlJPD " ;
	
	 int audio_rate = 22050;
   	Uint16 audio_format = AUDIO_S16; /* 16-bit stereo */
     	int audio_channels = 2;
	int audio_buffers = 4096;
		
    	strcpy(pl1,"Jessy");
    	strcpy(pl2,"Micha");
    	strcpy(pl3,"Pierre");
	strcpy(pl4,"Player4");

    	strcpy(xpfp,"level.txt");
     
 	while (( option = getopt(argc, argv, "hf:a:b:c:d:")) >= 0)
	  	switch (option)
	  	{
	  	case 'h': {
	  		printf("Usage: %s [Optionen] \n Optionen: \n -h	print this help Text \n-f <file>	jeopardy file\n",argv[0]);
	 		 Quit(0);
	  		}
	  	break;

	  	case 'f': 
			strcpy(xpfp,optarg); 
	  	break;

	  	case 'a':
	  		strcpy(pl1,optarg);
	  	break;

	  	case 'b':
			strcpy(pl2,optarg);
	  	break;

	  	case 'c':
			strcpy(pl3,optarg);
	  	break;

	  	case 'd':
			strcpy(pl4,optarg);
	  	break;
	  	}
 
	printf("\n         \033[36m sdljpd -- jeopady on steroids \n Copyright (c) 2005 Frederick Bullik <Frederick.Bullik@gmx.de>\n\n This program is free software; you can redistribute it and/or\n modify it under the terms of the GNU General Public License\n as published by the Free Software Foundation; either version 2\n of the License, or (at your option) any later version.\n\n This program is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n GNU General Public License for more details.\n\n You should have received a copy of the GNU General Public License\n along with this program; if not, write to the Free Software \n Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.\033[m \n\n");

	printf("========================================================================\n");
	
	filefoo();
	
 	if(TTF_Init()==-1) {
	     	printf("TTF_Init: %s\n", TTF_GetError());
	        exit(2);
 	}
 
	font=TTF_OpenFont("subfont.ttf", 26);
	
	if(!font) {
		    printf("TTF_OpenFont: %s\n", TTF_GetError());
		        /* handle error*/
		 }
	
    	/* sprintf(wmcapt,"glpong - %s vs ", player_a );*/
    	/* initialize SDL */
    	if ( SDL_Init( SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_JOYSTICK) < 0 )
	{
	    fprintf( stderr, "SDL initialization failed: %s\n",
		     SDL_GetError( ) );
	    Quit( 1 );
	}
	
	if(Mix_OpenAudio(audio_rate, audio_format, audio_channels, audio_buffers)) {
	    printf("Unable to open audio!\n");
	        exit(1);
		  }

	Mix_QuerySpec(&audio_rate, &audio_format, &audio_channels);
	
    	/* Fetch the video info */
    	videoInfo = SDL_GetVideoInfo( );
    
    	music_init();

	buzz_sound = Mix_LoadMUS("buzzer.wav");
	
    	if ( !videoInfo )
	{
	    fprintf( stderr, "Video query failed: %s\n",
		     SDL_GetError( ) );
	    Quit( 1 );
	}

	printf ( "%i joysticks found: ", SDL_NumJoysticks () );

	joystick = SDL_JoystickOpen (0);
	if(joystick == NULL) {
	    printf("Unable to open joystick!\n");
	    exit(1);
	}

	SDL_JoystickEventState ( SDL_QUERY );

	SDL_JoystickUpdate ();

	printf ( "%s\n", SDL_JoystickName ( 0 ) );

	system("./set_led 1 1 1 1");

	SDL_WM_SetCaption(wmcapt, NULL);
	/*SDL_WM_SetIcon(SDL_LoadBMP("glpong.bmp"),NULL);*/
    
    	/* the flags to pass to SDL_SetVideoMode */
	videoFlags |= SDL_HWPALETTE;      /* Store the palette in hardware */
    	videoFlags |= SDL_DOUBLEBUF;
    	videoFlags |= SDL_RESIZABLE;       /* Enable window resizing */
    	videoFlags |= SDL_HWSURFACE;
    	videoFlags |= SDL_HWACCEL;

    	SDL_ShowCursor( SDL_DISABLE);
    
    	/* get a SDL surface */
    	surface = SDL_SetVideoMode( SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP,
				videoFlags );
    	/* Verify there is a surface */
    	if ( !surface )
	{
		fprintf( stderr,  "Video mode set failed: %s\n", SDL_GetError( ) );
		Quit( 1 );
	}
   
    loadtex();
    
    /* wait for events */ 
    while ( !done )
	{
		/* handle the events in the queue */

		while ( SDL_PollEvent( &event ) )
		{
			switch( event.type )
			{
			
				case SDL_ACTIVEEVENT:
			    		/* Something's happend with our focus
			    		 * If we lost focus or we are iconified, we
			    		 * shouldn't draw the screen
			     		*/
			    	if ( event.active.gain == 0 )
					isActive = FALSE;
			    	else
					isActive = TRUE;
			    	break;			    
			
				case SDL_VIDEORESIZE:
			    	/* handle resize event */
			    		surface = SDL_SetVideoMode( event.resize.w,
							event.resize.h,
							16, videoFlags );
			    		if ( !surface )
					{
				    		fprintf( stderr, "Could not get a surface after resize: %s\n", SDL_GetError( ) );
				    		Quit( 1 );
					}
		           	break;
			    
				case SDL_KEYDOWN:
			    		/* handle key presses */
                          		switch (event.key.keysym.sym){
			  
					case SDLK_ESCAPE:
	    					Quit( 0 );
	    				break;
								
					case SDLK_q:
						Quit( 0 );
					break;
				
					case SDLK_F1:
	    					/* F1 key was pressed
	     					* this toggles fullscreen mode
	     					*/
	    					SDL_WM_ToggleFullScreen( surface );
	    				break;

					/* Player left */
					case SDLK_a:
						if(plselect >0){
							plselect --;}
						enp = FALSE;
						inp = FALSE;
					break;

					/* Player right */
					case SDLK_d:
						if(plselect <3){
							plselect ++;}
						enp = FALSE;
						inp = FALSE;
					break;

					/* Score Add 100 */
			        	case SDLK_w:
						score[plselect] = score[plselect] + 100;
						enp = FALSE;
						inp = FALSE;
					break;

					/* Score Subtract 100 */
					case SDLK_s:
						score[plselect] = score[plselect] - 100;
						enp = FALSE;
						inp = FALSE;
					break;
			  	
					case SDLK_RETURN:
						lockbz = FALSE;
						enp = TRUE;
						system("./set_led 1 1 1 1");
					break;
				
					case SDLK_LEFT:
					if(enp == FALSE){	
						if(xpos >0){
							xpos --;
						}
						inp = FALSE;
					}
					break;

					case SDLK_RIGHT:
					if(enp == FALSE){
						if(xpos <4){
							xpos ++;
						}
						inp = FALSE;
					}
					break;

					case SDLK_UP:
					if(enp == FALSE){
						if(ypos >0){
							ypos --;
						}
						inp = FALSE;
					}
					break;

					case SDLK_DOWN:
					if(enp== FALSE)
					{
						if(ypos <4){
							ypos ++;
						}
					inp = FALSE;
					}
					break;

					/* Right Answer */
					case SDLK_INSERT:
						score[plselect]=score[plselect]+pkt[ypos];
						solved[xpos][ypos] = (plselect + 1);
						lockbz = TRUE;
						enp = FALSE;
						inp = TRUE;
					break;

					/* Show Answer without changing score */
					case SDLK_y:
						lockbz = TRUE;
						enp = FALSE;
						inp = TRUE;
					break;

					/* Wrong Answer */
					case SDLK_DELETE:
						score[plselect]=score[plselect]-pkt[ypos];
						lockbz = FALSE;
						system("./set_led 1 1 1 1");
						inp = FALSE;
						enp = TRUE;
					break;
				
					/* Mark solved */
					case SDLK_PAGEUP:
						solved[xpos][ypos] = (plselect + 1);
					break;

					/* Mark unsolved */
					case SDLK_PAGEDOWN:
						solved[xpos][ypos] = 0;

					/* Lock Buzzers */
					case SDLK_l:
						lockbz = TRUE;
						system("./set_led 0 0 0 0");
					break;

					/* Unlock Buzzers */
					case SDLK_u:
						lockbz = FALSE;
						system("./set_led 1 1 1 1");
					break;

					/* Reset playing field */
					case SDLK_r:
						lockbz = FALSE;
						system("./set_led 1 1 1 1");
						inp = FALSE;
						enp = FALSE;
					break;
				
					default:
			 		break;
			  		}
                       		break;   
					
		     		case SDL_QUIT:
					/* handle quit requests */
			    		done = TRUE;
		    		break;
				}
			break;
       			}
		draw_sdl();
		/*Mix_CloseAudio();*/
	}
 
	/* clean ourselves up and exit */
	Quit( 0 );

	/* Should never get here */
	return( 0 );
}