int main(void)
{ XInitThreads();
int gd = DETECT, gm;
int dx, dy, p, end;
float x1, x2, y1, y2, x, y;
initgraph(&gd, &gm, NULL);
printf("Enter Value of X1: ");
scanf("%f", &x1);
printf("Enter Value of Y1: ");
scanf("%f", &y1);
printf("Enter Value of X2: ");
scanf("%f", &x2);
printf("Enter Value of Y2: ");
scanf("%f", &y2);
dx = abs(x1 - x2);
dy = abs(y1 - y2);
p = 2 * dy - dx;
if(x1 > x2)
{
x = x2;
y = y2;
end = x1;
}
else
{
x = x1;
y = y1;
end = x2;
}
putpixel(x, y, 10);
while(x < end)
{
x = x + 1;
if(p < 0)
{
p = p + 2 * dy;
}
else
{
y = y + 1;
p = p + 2 * (dy - dx);
}
putpixel(x, y, 10);
}
wait_for_char();
getch();
wait_for_char();
closegraph();
return 0;
}
/**
* Main game cycle, handles user interaction and checks if game is over
*/
void Game::play() {
// run indefinitely
while (1) {
auto b1 = new Board();
auto b2 = new Board();
srand(time(NULL)); //random seed set as current time
int game_over = 0;
int winner;
while (!game_over) {
display_help();
display_score(b1, b2);
// if any board needs a piece, add it
if (b1->needs_piece) {
int next = rand() % 7;
Piece new_piece(next);
if (b1->is_collision(new_piece)) {
game_over = 1;
winner = 2;
}
b1->set_curr_piece(new_piece);
}
if (b2->needs_piece) {
int next = rand() % 7;
Piece new_piece(next);
if (b2->is_collision(new_piece)) {
game_over = 1;
winner = 1;
}
b2->set_curr_piece(new_piece);
}
Piece current1 = b1->get_curr_piece(), potential1;
Piece current2 = b2->get_curr_piece(), potential2;
char move;
// draw boards
b1->draw(b2);
move = wait_for_char(WAIT_TIME); // wait for input
// quit immediatly
if (move == 'q') {
winner = 1;
break;
}
if (move == 'w') {
current1.move(UP);
if (!b1->is_collision(current1))
b1->set_curr_piece(current1);
continue;
}
else if (move == 's') {
current1.move(DOWN);
if (!b1->is_collision(current1))
b1->set_curr_piece(current1);
continue;
}
else if (move == 'a') {
current1.rotate();
if (!b1->is_collision(current1))
b1->set_curr_piece(current1);
continue;
}
else if (move == 'i') {
current2.move(UP);
if (!b2->is_collision(current2))
b2->set_curr_piece(current2);
continue;
}
else if (move == 'k') {
current2.move(DOWN);
if (!b2->is_collision(current2))
b2->set_curr_piece(current2);
continue;
}
else if (move == 'l') {
current2.rotate();
if (!b2->is_collision(current2))
b2->set_curr_piece(current2);
continue;
}
// check if current piece of the boards has completely fallen
potential1 = current1;
potential2 = current2;
potential1.move(RIGHT);
if (!b1->is_collision(potential1))
b1->set_curr_piece(potential1);
else {
b1->add_piece(current1);
b1->needs_piece = true;
}
potential2.move(RIGHT);
if (!b2->is_collision(potential2))
b2->set_curr_piece(potential2);
else {
b2->add_piece(current2);
b2->needs_piece = true;
}
int adjust1 = b1->delete_needed_lines();
int adjust2 = b2->delete_needed_lines();
// for each deleted line adjust the base of the boards accordingly
for (int i = 0; i < adjust1; i++)
{
b1->adjust_middle(DOWN);
b2->adjust_middle(UP);
}
for (int i = 0; i < adjust2; i++)
{
b2->adjust_middle(DOWN);
b1->adjust_middle(UP);
}
}
// ask for input, if input is 'y' start another game
cout << "\nPlayer " << winner << " WINS!\n\n";
cout << "Play again? (Y or N)\n";
char resume = getch();
if (resume == 'n')
break;
}
}
int wait_for_rx_not_empty() {
DBG("Waiting for an event on the read-ring\n");
return wait_for_char(singleton_screen->socketfd, 'R');
}
int wait_for_tx_not_full() {
DBG("Waiting for an event on the transmit ring\n");
return wait_for_char(singleton_screen->socketfd, 'T');
}
