static inline void updateball(ball *b){
eraseball(b);
b->y+=b->direction_y;
b->x+=b->direction_x;
}
int playgame(short control)
{
struct player p1 = {P1_Y, P1_X, 1, 0, 0, 35, 0};
struct player p2 = {P2_Y, P2_X, 0, 0, 0, 40, 0};
struct ball b = {B_Y, B_X, B_SPEED, B_DIRY, 1, 0};
short gameover = 0;
short bcounter = 0;
short bbcounter = 0;
short pcounter = 0;
int c;
while (!gameover) {
/* Draw everything and pause for one tick. */
drawpaddle(p1);
drawpaddle(p2);
drawnet();
drawball(b);
refresh();
napms(SPEED);
/* Get input. */
control = controlpaddle(&p1, b, control);
if (!control)
break;
controlpaddle(&p2, b, 0);
if (pcounter++ == P_SPEED) {
updatepaddle(&p1);
updatepaddle(&p2);
pcounter = 0;
}
if (bcounter++ == b.speed) {
eraseball(b);
if (updateball(&b, &p1, &p2) == 0) {
bcounter = 0;
if (bbcounter++ == 200 && b.speed > 1)
--b.speed;
} else {
bcounter = 0;
bbcounter = 0;
p1.y = P1_Y;
p1.x = P1_X;
p1.dir = 0;
p2.y = P2_Y;
p2.x = P2_X;
p2.dir = 0;
clear();
drawpaddle(p1);
drawpaddle(p2);
drawnet();
drawball(b);
refresh();
/* Wait for space or a mouse click */
do {
c = getch();
napms(10);
if (c == 'q')
return 0;
} while ((c != ' ') && (c != KEY_MOUSE));
if (p1.score == 21) {
return 1;
} else if (p2.score == 21) {
return 2;
}
}
}
napms(SPEED);
}
return 0;
}