void TimerEvent::set_count(int64_t count)
{
RAGE_CHECK_DISPOSED(disposed);
if ((timer != nullptr) && al_get_timer_started(timer))
al_set_timer_count(timer, count);
}
void
stop_video_effect (void)
{
ALLEGRO_BITMAP *screen = mr.cell[0][0].screen;
if (! al_get_timer_started (video_timer)) return;
video_effect.type = VIDEO_NO_EFFECT;
al_stop_timer (video_timer);
al_set_timer_count (video_timer, 0);
drop_all_events_from_source
(event_queue, get_timer_event_source (video_timer));
clear_bitmap (screen, BLACK);
draw_bitmap (effect_buffer, screen, 0, 0, 0);
effect_counter = 0;
}
/* the main game function */
static int play_game()
{
ALLEGRO_TIMER *inc_counter;
int gameover = 0;
int cyclenum = 0;
/* init */
score = 0;
init_view();
init_player();
init_badguys();
init_bullets();
init_explode();
init_message();
#define TIMER_SPEED ALLEGRO_BPS_TO_SECS(30*(cyclenum+2))
inc_counter = al_create_timer(TIMER_SPEED);
al_start_timer(inc_counter);
while (!gameover) {
/* move everyone */
while ((al_get_timer_count(inc_counter) > 0) && (!gameover)) {
update_view();
update_bullets();
update_explode();
update_message();
if (update_badguys()) {
if (advance_view()) {
cyclenum++;
al_set_timer_count(inc_counter, 0);
lay_attack_wave(TRUE);
advance_player(TRUE);
}
else {
lay_attack_wave(FALSE);
advance_player(FALSE);
}
}
gameover = update_player();
al_set_timer_count(inc_counter, al_get_timer_count(inc_counter)-1);
}
/* take a screenshot? */
if (key[ALLEGRO_KEY_PRINTSCREEN]) {
static int ss_count = 0;
char fname[80];
sprintf(fname, "speed%03d.tga", ++ss_count);
al_save_bitmap(fname, al_get_backbuffer(screen));
while (key[ALLEGRO_KEY_PRINTSCREEN])
poll_input_wait();
al_set_timer_count(inc_counter, 0);
}
/* toggle fullscreen window */
if (key[ALLEGRO_KEY_F]) {
int flags = al_get_display_flags(screen);
al_set_display_flag(screen, ALLEGRO_FULLSCREEN_WINDOW,
!(flags & ALLEGRO_FULLSCREEN_WINDOW));
while (key[ALLEGRO_KEY_F])
poll_input_wait();
}
/* draw everyone */
draw_view();
}
/* cleanup */
al_destroy_timer(inc_counter);
shutdown_view();
shutdown_player();
shutdown_badguys();
shutdown_bullets();
shutdown_explode();
shutdown_message();
if (gameover < 0) {
sfx_ping(1);
return FALSE;
}
return TRUE;
}
/**
Sets the timer count.
@param count new count.
*/
void setCount(int64_t count) {
al_set_timer_count(get(), count);
}
int main(void)
{
ALLEGRO_TRANSFORM trans;
ALLEGRO_EVENT event;
int bps = 4;
bool redraw = false;
unsigned int last_timer = 0;
if (!al_init()) {
abort_example("Could not init Allegro.\n");
}
open_log();
al_install_keyboard();
display = al_create_display(640, 480);
if (!display) {
abort_example("Could not create display\n");
}
font = al_create_builtin_font();
if (!font) {
abort_example("Could not create font\n");
}
if (!al_install_audio()) {
abort_example("Could not init sound\n");
}
if (!al_reserve_samples(RESERVED_SAMPLES)) {
abort_example("Could not set up voice and mixer\n");
}
ping = generate_ping();
if (!ping) {
abort_example("Could not generate sample\n");
}
timer = al_create_timer(1.0 / bps);
al_set_timer_count(timer, -1);
event_queue = al_create_event_queue();
al_register_event_source(event_queue, al_get_keyboard_event_source());
al_register_event_source(event_queue, al_get_timer_event_source(timer));
al_identity_transform(&trans);
al_scale_transform(&trans, 16.0, 16.0);
al_use_transform(&trans);
al_start_timer(timer);
while (true) {
al_wait_for_event(event_queue, &event);
if (event.type == ALLEGRO_EVENT_TIMER) {
const float speed = pow(21.0/20.0, (event.timer.count % PERIOD));
if (!al_play_sample(ping, 1.0, 0.0, speed, ALLEGRO_PLAYMODE_ONCE, NULL)) {
log_printf("Not enough reserved samples.\n");
}
redraw = true;
last_timer = event.timer.count;
}
else if (event.type == ALLEGRO_EVENT_KEY_CHAR) {
if (event.keyboard.keycode == ALLEGRO_KEY_ESCAPE) {
break;
}
if (event.keyboard.unichar == '+' || event.keyboard.unichar == '=') {
if (bps < 32) {
bps++;
al_set_timer_speed(timer, 1.0 / bps);
}
}
else if (event.keyboard.unichar == '-') {
if (bps > 1) {
bps--;
al_set_timer_speed(timer, 1.0 / bps);
}
}
}
if (redraw && al_is_event_queue_empty(event_queue)) {
ALLEGRO_COLOR c;
if (last_timer % PERIOD == 0)
c = al_map_rgb_f(1, 1, 1);
else
c = al_map_rgb_f(0.5, 0.5, 1.0);
al_clear_to_color(al_map_rgb(0, 0, 0));
al_draw_textf(font, c, 640/32, 480/32 - 4, ALLEGRO_ALIGN_CENTRE,
"%u", last_timer);
al_flip_display();
}
}
close_log(false);
return 0;
}
