int main(void)
{
setup_pins();
setup_comparator();
setup_timer0();
ledsetup();
uint8_t message_buffer[12] = {0};
Controller *controller = (Controller*)message_buffer;
machine_init();
Animation anim;
clear_animation(&anim);
bool prev_machine_toggle = true;
delay_ms(1000);
while(1)
{
// Wait until we have a valid message
while(!getMessage(message_buffer)) {}
// Interpret the input
process_input(controller, &anim);
if((prev_machine_toggle && !machine_toggle) ||
machine_toggle)
{
show_animation(&anim);
}
clear_animation(&anim);
prev_machine_toggle = machine_toggle;
// Wait for the 2nd paired request to pass
_delay_us(2000);
}
}
static int clear_even_rows(void)
{
int abs_row; /* absolute row number */
int count = 0;
int i = GAME_BOARD_HEIGHT;
int cleared_rows[4]; /* XXX: max 4 rows can be cleared at a time? */
/* use animation style 3 */
static void (*clear_animation)(int *, int) = draw_cleared_rows_animation_3;
for (abs_row = GAME_BOARD_HEIGHT; i > top_row; abs_row--) {
int j;
int found = 1;
for (j = 1; j < GAME_BOARD_WIDTH + 1; j++) {
if (!board[i][j]) {
found = 0;
break;
}
}
if (found)
cleared_rows[count++] = abs_row - 1; /* save the absolute row */
else {
i--;
continue; /* move on to check the next row */
}
memset(board[i], 0, sizeof (*board)); /* clear the current row */
/* move down the all the rows above the cleared row */
memmove((void *)board[top_row + 1], (void *)board[top_row],
(i - top_row) * sizeof (*board));
top_row++;
assert(top_row <= GAME_BOARD_HEIGHT);
}
/* now animate (blink) the cleared rows */
if (count)
clear_animation(cleared_rows, count);
return count;
}
