int main()
{
char key;
IplImage *base, *fr, *fr0;
float dt;
struct timeval past;
inform();
preprocessing(windowname, &base, &fr, &fr0);
while(1)
{
initialize(&past);
while(explosr<criticr && !restartflag && !escflag)
{
cvCopy(base, fr, NULL);
easyplot(fr, fr0);
dt = time_interval(&past);
pausestate(&past, fr);
user_update();
com_update();
ball_update(dt);
cvShowImage(windowname, fr);
}
// exit
if(escflag) break;
// update score
if(bpc.y<0) score[1]++;
else score[0]++;
// restart
if(restartflag) {
restartflag = 0;
score[0] = 0;
score[1] = 0;
}
}
// free memory
cvDestroyWindow(windowname);
cvReleaseImage(&base);
cvReleaseImage(&fr);
cvReleaseImage(&fr0);
cvReleaseImage(&scoretext1);
cvReleaseImage(&scoretext2);
cvReleaseImage(&pausetext);
cvReleaseImage(&pausefr);
return 0;
}
static void update()
{
/* updating opponent AI first */
if (g_ball->dim.y + 20 < g_opponent->dim.y) {
g_opponent->up = 1;
g_opponent->down = 0;
} else if (g_ball->dim.y > g_opponent->dim.y + g_opponent->dim.h) {
g_opponent->up = 0;
g_opponent->down = 1;
}
/* updating game state */
stick_update(g_player);
stick_update(g_opponent);
ball_update(g_ball);
/* process score changes */
if (g_score->player_event) {
g_score->player_score++;
if (g_score->player_score == 10) {
printf("score: %d - %d\n", g_score->player_score,
g_score->opponent_score);
printf("player wins!\n");
run = 0;
}
g_ball->dim.x = SCREEN_WIDTH / 2;
g_ball->dim.y = SCREEN_HEIGHT / 2;
g_ball->x_direction = 1;
g_ball->y_direction = -1;
g_score->player_event = 0;
} else if (g_score->opponent_event) {
g_score->opponent_score++;
if (g_score->opponent_score == 10) {
printf("score: %d - %d\n", g_score->player_score,
g_score->opponent_score);
printf("opponent wins!\n");
run = 0;
}
g_ball->dim.x = SCREEN_WIDTH / 2;
g_ball->dim.y = SCREEN_HEIGHT / 2;
g_ball->x_direction = -1;
g_ball->y_direction = 1;
g_score->opponent_event = 0;
}
/* update client state */
}