void LEDupdate(){
unsigned int index = (LEDdigit*6 + 4-LEDcolumn + (LEDscrollCount>>2));
char x, slen = strlen(pString);
if(LEDupdateFLAG){
x = *(&videoBuf[0][0] + index);
PGOUT = x & 0x7F;
PEOUT = 0x1F & ~(1 << LEDcolumn);
clockLed(LEDdigit);
if(++LEDdigit == 4) {
LEDdigit = 0;
if(++LEDcolumn == 5) {
LEDcolumn = 0;
if(slen > 4){
if(++LEDscrollCount == (6<<2)){
LEDscrollCount = 0;
if(++LEDcharNum == slen){
LEDcharNum = 0;
}
LEDsetString(pString, LEDcharNum);
}
}
}
}
}
LEDupdateFLAG = 0;
}
void main()
{
init_uart(_UART0,_DEFFREQ,_DEFBAUD); // set-up UART0 to 57600, 8n1
timer2000(); //Starts the internal timer
LEDinit(); //Activates the LED displays
LEDsetString("//Reflex Ball\\\\");
//Initialization of variables used during the game
gamedata.ballspeed = 100;
gamedata.strikerspeed = 20;
gamedata.wigglecount = 0;
gamedata.ballcount = 0;
gamedata.strikercount = 0;
gamedata.randAngle = 64;
gamedata.ball2 = 0;
//This loop resets game data and starts a new game
while(1){
//Menu 1 evaluates to true when player hits 'play' and selects no. of balls
if(menu1()){
//Ball, striker and block declarations
Ball_t ball1;
Ball_t ball2;
Striker_t striker;
Block_t block;
//Ball, striker and block initializations
ball1.angle = 64;
gamedata.score = 0;
gamedata.blocksleft = 0;
if(gamedata.ball2) ball2.angle = 32; //Only sets 2nd ball angle if user selects 2 balls
striker.lives = 3;
initBall(&ball1,ball1.angle,20,20);
if(gamedata.ball2) initBall(&ball2,ball2.angle,30,20); //Only initializes 2nd ball if user selects it
initStriker(&striker,62,77,38);
clrscr();
initBlocks(&block); //Creates and draws the blocks on the map
drawBox(); //Draws the borders of the map
//Draws striker and various game data
gotoxy(62,39);
printf("%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c",219,219,219,219,219,219,219,219,219,219,219,219,219,219,219);
gotoxy(160,10);
printf("Lives remaining: %d",striker.lives);
gotoxy(160,12);
printf("Score: %d",gamedata.score);
gotoxy(160, 14);
printf("Blocks left: %d",gamedata.blocksleft);
window(158,8,180,16,"Stats",2);
LEDsetString("Lives: 3");
//This loop starts the actual game
while(1) {
//Quits current game and goes to menu if user hits all three buttons
if(readkey() == 7){
break;
}
//If all blocks are gone: celebrate with a lady and go back to menu
if(gamedata.blocksleft == 0)
{
clrscr();
lady();
wiggleLady();
break;
}
if(striker.lives > 0)
{
if(gamedata.strikerUpdate) //Only runs when flag is high (controlled by timer)
{
updateStriker(&striker);
gamedata.strikerUpdate = 0;
if(striker.drawEnable) //Only draws striker if it has moved and the flag is high
{
gotoxy((striker.x1_prev >> FIX14_SHIFT),39);
printf(" "); //Deletes 'old' striker
gotoxy((striker.x1 >> FIX14_SHIFT),39);
printf("%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c",219,219,219,219,219,219,219,219,219,219,219,219,219,219,219); //Draws 'new' striker
}
}
if(gamedata.ballUpdate) //Only runs when flag is high (controlled by timer)
{
gotoxy((ball1.xpos >> FIX14_SHIFT),(ball1.ypos >> FIX14_SHIFT));
printf(" "); //Deletes 'old' ball
checkBallpos(&ball1,&striker); //Checks if ball hits borders of map or striker and changes direction accordingly
checkBlock(&block,&ball1); //Checks if ball hits a block and takes actions accordingly
if(ball1.xspeed == 0 && ball1.yspeed == 0) ball1.xpos = striker.x1 + (striker.x2 - striker.x1)/3; //Places ball on top of striker if it just died
updateBall(&ball1, &striker); //Moves ball according to its vector
gotoxy((ball1.xpos >> FIX14_SHIFT),(ball1.ypos >> FIX14_SHIFT));
printf("%c",223); //Draws 'new' ball
if(gamedata.ball2) //If 2nd ball is in use, do the same to it as to the first ball above
{
gotoxy((ball2.xpos >> FIX14_SHIFT),(ball2.ypos >> FIX14_SHIFT));
printf(" ");
checkBallpos(&ball2,&striker);
checkBlock(&block,&ball2);
if(ball2.xspeed == 0 && ball2.yspeed == 0) ball2.xpos = striker.x1 + (striker.x2 - striker.x1)/3 + (striker.x2 - striker.x1)/2 ;
updateBall(&ball2, &striker);
gotoxy((ball2.xpos >> FIX14_SHIFT),(ball2.ypos >> FIX14_SHIFT));
printf("%c",223);
}
gamedata.ballUpdate = 0;
}
}