/* the main program body */
int main(int argc, char *argv[])
{
ALLEGRO_PATH *font_path;
int w = 0, h = 0;
int www = FALSE;
int i, n;
int display_flags = ALLEGRO_GENERATE_EXPOSE_EVENTS;
srand(time(NULL));
al_set_org_name("liballeg.org");
al_set_app_name("SPEED");
if (!al_init()) {
fprintf(stderr, "Could not initialise Allegro.\n");
return 1;
}
al_init_primitives_addon();
/* parse the commandline */
for (i=1; i<argc; i++) {
if (strcmp(argv[i], "-cheat") == 0) {
cheat = TRUE;
}
else if (strcmp(argv[i], "-simple") == 0) {
low_detail = TRUE;
}
else if (strcmp(argv[i], "-nogrid") == 0) {
no_grid = TRUE;
}
else if (strcmp(argv[i], "-nomusic") == 0) {
no_music = TRUE;
}
else if (strcmp(argv[i], "-www") == 0) {
www = TRUE;
}
else if (strcmp(argv[i], "-fullscreen") == 0) {
/* if no width is specified, assume fullscreen_window */
display_flags |= w ? ALLEGRO_FULLSCREEN : ALLEGRO_FULLSCREEN_WINDOW;
}
else {
n = atoi(argv[i]);
if (!n) {
usage();
return 1;
}
if (!w) {
w = n;
if (display_flags & ALLEGRO_FULLSCREEN_WINDOW) {
/* toggle from fullscreen_window to fullscreen */
display_flags &= ~ALLEGRO_FULLSCREEN_WINDOW;
display_flags |= ALLEGRO_FULLSCREEN;
}
}
else if (!h) {
h = n;
}
else {
usage();
return 1;
}
}
}
/* it's a real shame that I had to take this out! */
if (www) {
printf(
"\n"
"Unfortunately the built-in web browser feature had to be removed.\n"
"\n"
"I did get it more or less working as of Saturday evening (forms and\n"
"Java were unsupported, but tables and images were mostly rendering ok),\n"
"but the US Department of Justice felt that this was an unacceptable\n"
"monopolistic attempt to tie in web browsing functionality to an\n"
"unrelated product, so they threatened me with being sniped at from\n"
"the top of tall buildings by guys with high powered rifles unless I\n"
"agreed to disable this code.\n"
"\n"
"We apologise for any inconvenience that this may cause you.\n"
);
return 1;
}
if (!w || !h) {
if (argc == 1 || (display_flags & ALLEGRO_FULLSCREEN_WINDOW)) {
w = 640;
h = 480;
}
else {
usage();
return 1;
}
}
/* set the screen mode */
al_set_new_display_option(ALLEGRO_SAMPLE_BUFFERS, 1, ALLEGRO_SUGGEST);
al_set_new_display_option(ALLEGRO_SAMPLES, 4, ALLEGRO_SUGGEST);
al_set_new_display_flags(display_flags);
screen = al_create_display(w, h);
if (!screen) {
fprintf(stderr, "Error setting %dx%d display mode\n", w, h);
return 1;
}
al_init_image_addon();
/* The Allegro 5 port introduced an external data dependency, sorry.
* To avoid performance problems on graphics drivers that don't support
* drawing to textures, we build up transition screens on memory bitmaps.
* We need a font loaded into a memory bitmap for those, then a font
* loaded into a video bitmap for the game view. Blech!
*/
font_path = get_resources_path();
al_set_path_filename(font_path, "a4_font.tga");
al_init_font_addon();
al_set_new_bitmap_flags(ALLEGRO_MEMORY_BITMAP);
font = al_load_bitmap_font(al_path_cstr(font_path, '/'));
if (!font) {
fprintf(stderr, "Error loading %s\n", al_path_cstr(font_path, '/'));
return 1;
}
al_set_new_bitmap_flags(ALLEGRO_VIDEO_BITMAP);
font_video = al_load_bitmap_font(al_path_cstr(font_path, '/'));
if (!font_video) {
fprintf(stderr, "Error loading %s\n", al_path_cstr(font_path, '/'));
return 1;
}
al_destroy_path(font_path);
/* set up everything else */
al_install_keyboard();
al_install_joystick();
if (al_install_audio()) {
if (!al_reserve_samples(8))
al_uninstall_audio();
}
init_input();
init_sound();
init_hiscore();
/* the main program body */
while (title_screen()) {
if (play_game()) {
show_results();
score_table();
}
}
/* time to go away now */
shutdown_hiscore();
shutdown_sound();
goodbye();
shutdown_input();
al_destroy_font(font);
al_destroy_font(font_video);
return 0;
}
int main(void)
{
//primitive variable
const int FPS = 60;
bool done = false;
bool redraw = true;
bool isGameOver = false;
//object variables
struct SpaceShip ship;
struct Bullet bullets[NUM_BULLETS];
struct Comet comets[NUM_COMETS];
//Allegro variables
ALLEGRO_DISPLAY *display = NULL;
ALLEGRO_EVENT_QUEUE *event_queue = NULL;
ALLEGRO_TIMER *timer = NULL;
ALLEGRO_BITMAP *shipImage;
ALLEGRO_BITMAP *cometImage;
ALLEGRO_BITMAP *bulletImage;
ALLEGRO_FONT *font = NULL;
ALLEGRO_PATH *font_path;
//Initialization Functions
if (!al_init()) //initialize Allegro
return -1;
display = al_create_display(WIDTH, HEIGHT); //create our display object
if (!display) //test display object
return -1;
// inicio inicializacao fontes
al_init_image_addon();
font_path = get_resources_path();
al_set_path_filename(font_path, "a4_font.tga");
al_init_font_addon();
al_set_new_bitmap_flags(ALLEGRO_MEMORY_BITMAP);
font = al_load_bitmap_font(al_path_cstr(font_path, '/'));
if (!font)
{
return 1;
}
al_destroy_path(font_path);
// termino inicializacao fontes
al_init_primitives_addon();
al_install_keyboard();
al_init_image_addon();
event_queue = al_create_event_queue();
timer = al_create_timer(1.0 / FPS);
shipImage = al_load_bitmap("spaceship_by_arboris.png");
al_convert_mask_to_alpha(shipImage, al_map_rgb(255, 0, 255));
bulletImage = al_load_bitmap("bullets_by_arboris.png");
al_convert_mask_to_alpha(bulletImage, al_map_rgb(255, 0, 255));
cometImage = al_load_bitmap("asteroid-1-96.png");
srand(time(NULL ));
//Game Init
ship = InitShip(shipImage);
// init bullets
int i = 0;
while (i < NUM_BULLETS)
{
bullets[i].ID = BULLET;
bullets[i].speed = 10;
bullets[i].live = false;
bullets[i].maxFrame = 143;
bullets[i].curFrame = 0;
bullets[i].frameCount = 0;
bullets[i].frameDelay = 2;
bullets[i].frameWidth = 20;
bullets[i].frameHeight = 10;
bullets[i].animationColumns = 1;
bullets[i].animationRow = 1;
bullets[i].image = bulletImage;
i++;
}
// init comets
i = 0;
while (i < NUM_COMETS)
{
comets[i].ID = ENEMY;
comets[i].live = false;
comets[i].speed = 5;
comets[i].boundx = 35;
comets[i].boundy = 35;
comets[i].maxFrame = 143;
comets[i].curFrame = 0;
comets[i].frameCount = 0;
comets[i].frameDelay = 2;
comets[i].frameWidth = 96;
comets[i].frameHeight = 96;
comets[i].animationColumns = 21;
if (rand() % 2)
comets[i].animationDirection = 1;
else
comets[i].animationDirection = -1;
comets[i].image = cometImage;
i++;
}
al_register_event_source(event_queue, al_get_keyboard_event_source());
al_register_event_source(event_queue, al_get_display_event_source(display));
al_register_event_source(event_queue, al_get_timer_event_source(timer));
al_start_timer(timer);
while (!done)
{
ALLEGRO_EVENT ev;
al_wait_for_event(event_queue, &ev);
if (ev.type == ALLEGRO_EVENT_DISPLAY_CLOSE)
{
done = true;
}
else if (ev.type == ALLEGRO_EVENT_TIMER)
{
redraw = true;
if (keys[UP])
ship = MoveShipUp(ship);
else if (keys[DOWN])
ship = MoveShipDown(ship);
else
ship = ResetShipAnimation(ship, 1);
if (keys[LEFT])
ship = MoveShipLeft(ship);
else if (keys[RIGHT])
ship = MoveShipRight(ship);
else
ship = ResetShipAnimation(ship, 2);
if (!isGameOver)
{
//UpdateBullet
int i = 0;
while (i < NUM_BULLETS)
{
if (bullets[i].live)
{
bullets[i].x += bullets[i].speed;
if (bullets[i].x > WIDTH)
bullets[i].live = false;
}
i++;
}
// start comet
i = 0;
while (i < NUM_COMETS)
{
if (!comets[i].live)
{
if (rand() % 500 == 0)
{
comets[i].live = true;
comets[i].x = WIDTH;
comets[i].y = 30 + rand() % (HEIGHT - 60);
break;
}
}
i++;
}
// UpdateComet(Comet comets[], int size)
i = 0;
while (i < NUM_COMETS)
{
if (comets[i].live)
{
if (++comets[i].frameCount >= comets[i].frameDelay)
{
comets[i].curFrame += comets[i].animationDirection;
if (comets[i].curFrame >= comets[i].maxFrame)
comets[i].curFrame = 0;
else if (comets[i].curFrame <= 0)
comets[i].curFrame = comets[i].maxFrame - 1;
comets[i].frameCount = 0;
}
comets[i].x -= comets[i].speed;
}
i++;
}
// collide bullet
i = 0;
while (i < NUM_BULLETS)
{
if (bullets[i].live)
{
int j = 0;
while (j < NUM_COMETS)
{
if (comets[j].live)
{
if (bullets[i].x
> (comets[j].x - comets[j].boundx)
&& bullets[i].x
< (comets[j].x
+ comets[j].boundx)
&& bullets[i].y
> (comets[j].y
- comets[j].boundy)
&& bullets[i].y
< (comets[j].y
+ comets[j].boundy))
{
bullets[i].live = false;
comets[j].live = false;
ship.score++;
}
}
j++;
}
}
i++;
}
// collide comet
i = 0;
while (i < NUM_COMETS)
{
if (comets[i].live)
{
if (comets[i].x - comets[i].boundx
< ship.x + ship.boundx
&& comets[i].x + comets[i].boundx
> ship.x - ship.boundx
&& comets[i].y - comets[i].boundy
< ship.y + ship.boundy
&& comets[i].y + comets[i].boundy
> ship.y - ship.boundy)
{
ship.lives--;
comets[i].live = false;
}
else if (comets[i].x < 0)
{
comets[i].live = false;
ship.lives--;
}
}
i++;
}
if (ship.lives <= 0)
isGameOver = true;
}
}
else if (ev.type == ALLEGRO_EVENT_KEY_DOWN)
{
switch (ev.keyboard.keycode)
{
case ALLEGRO_KEY_ESCAPE:
done = true;
break;
case ALLEGRO_KEY_UP:
keys[UP] = true;
break;
case ALLEGRO_KEY_DOWN:
keys[DOWN] = true;
break;
case ALLEGRO_KEY_RIGHT:
keys[RIGHT] = true;
break;
case ALLEGRO_KEY_LEFT:
keys[LEFT] = true;
break;
case ALLEGRO_KEY_SPACE:
keys[SPACE] = true;
//FireBullet
int i = 0;
while (i < NUM_BULLETS)
{
if (!bullets[i].live)
{
bullets[i].x = ship.x + 17;
bullets[i].y = ship.y;
bullets[i].live = true;
break;
}
i++;
}
break;
}
}
else if (ev.type == ALLEGRO_EVENT_KEY_UP)
{
switch (ev.keyboard.keycode)
{
case ALLEGRO_KEY_UP:
keys[UP] = false;
break;
case ALLEGRO_KEY_DOWN:
keys[DOWN] = false;
break;
case ALLEGRO_KEY_RIGHT:
keys[RIGHT] = false;
break;
case ALLEGRO_KEY_LEFT:
keys[LEFT] = false;
break;
case ALLEGRO_KEY_SPACE:
keys[SPACE] = false;
break;
}
}
if (redraw && al_is_event_queue_empty(event_queue))
{
redraw = false;
if (!isGameOver)
{
DrawShip(ship);
DrawBullet(bullets, NUM_BULLETS);
DrawComet(comets, NUM_COMETS);
al_draw_textf(font, al_map_rgb(255, 0, 255), 5, 5, 0,
"Player has %i lives left. Player has destroyed %i objects",
ship.lives, ship.score);
}
else
{
al_draw_textf(font, al_map_rgb(0, 255, 255), WIDTH / 2,
HEIGHT / 2, ALLEGRO_ALIGN_CENTRE,
"Game Over. Final Score: %i", ship.score);
}
al_flip_display();
al_clear_to_color(al_map_rgb(0, 0, 0));
}
}
al_destroy_bitmap(bulletImage);
al_destroy_bitmap(cometImage);
al_destroy_bitmap(shipImage);
al_destroy_event_queue(event_queue);
al_destroy_timer(timer);
al_destroy_font(font);
al_destroy_display(display); //destroy our display object
return 0;
}
