game.c

#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <signal.h>
#include <sys/time.h>
#include <assert.h>
#include <unistd.h>
#include "portable.h"

#include "stewie-lamps.h"
#include "flippers.h"
#include "switches.h"
#include "lamps.h"
#include "display.h"
#include "sounds.h"    

#include "game.h"
    

void attractCallback(void) {
    static int st = 0;
    static uint32_t ct = 1;
    
    switch ( st ) {
            
        case 0:
            ledMatrixBrian( ct & 0x1f );
            ledMatrixMeg( (ct>>5) & 0x07 );
            ledMatrixPeter( (ct>>8) &0x1f  );
            ledMatrixLois( (ct>>13) & 0x0f );
            ledMatrixChris( (ct>>17) & 0x1f );
            ct <<= 1;
            if ( ct > 0x7FFFFF ) {
                ledMatrixClear();
                ct = 1;
                st++;
            }
            break;
        case 1:
            ledMatrixBrian( ct & 0x1f );
            ledMatrixMeg( ct & 0x07 );
            ledMatrixPeter( ct & 0x1f );
            ledMatrixLois( ct & 0x0f );
            ledMatrixChris( ct & 0x1f );
            ct <<= 1;
            if ( ct > 0x3f ) {
                ledMatrixClear();
                ct = 1;
                st++;
            }
            break;
        case 2:
            switch( ct ) {
                case 1: ledMatrixClear(); ledMatrixBrian( 0x1f ); ct++; break;
                case 2: ledMatrixClear(); ledMatrixMeg( 0x07 ); ct++; break;
                case 3: ledMatrixClear(); ledMatrixPeter( 0x1f ); ct++; break;
                case 4: ledMatrixClear(); ledMatrixLois( 0x0f ); ct++; break;
                case 5: ledMatrixClear(); ledMatrixChris( 0x1f ); ct++; break;
                case 6: ledMatrixClear(); ledMatrixLois( 0x0f ); ct++; break;
                case 7: ledMatrixClear(); ledMatrixPeter( 0x1f ); ct++; break;
                case 8: ledMatrixClear(); ledMatrixMeg( 0x07 ); ct++; break;
                case 9: ledMatrixClear(); ledMatrixBrian( 0x1f ); ct++; break;
                case 10: ledMatrixBrian( 0x1f ); ledMatrixMeg( 0x07 ); ledMatrixPeter( 0x1f ); ledMatrixLois( 0x0f ); ledMatrixChris( 0x1f ); ct++; break;
                case 11: ledMatrixClear(); ct++; break;
                case 12: ledMatrixBrian( 0x1f ); ledMatrixMeg( 0x07 ); ledMatrixPeter( 0x1f ); ledMatrixLois( 0x0f ); ledMatrixChris( 0x1f ); ct++; break;
                default: ledMatrixClear(); ct = 1; st++; break;
            }
            break;
            
        default:
            st = 0;
            break;

    }
}

void gameInit(void) {
    gameStop();
    soundPlay( sound_boot );
    gpioSetTimerFunc( TIMER_ATTRACT, 80, attractCallback );
}

void gameStart(void) {
    if ( !gameOn() ) {
        gpioCancelTimer( TIMER_ATTRACT );
        ledMatrixClear();
        displayScore( 0 );
        flippersEnable( true );
        gpioWrite( LAMP_PLAYFIELD, LAMP_ON );
    }
}

void gameStop(void) {
    if ( gameOn() ) {
        lampsBlink( blink_none );
        gpioWrite( LAMP_PLAYFIELD, LAMP_OFF );
        soundStopAll();
        flippersEnable( false );
        gpioSetTimerFunc( TIMER_ATTRACT, 80, attractCallback );
    }
}

bool gameOn(void) {
    return ( gpioRead( LAMP_PLAYFIELD ) == LAMP_ON );
}