TKeyResponse CSpaceInvadersAppView::HandleKeyEventL(const TKeyEvent& aKeyEvent,
TEventCode aType)
{
TKeyResponse retVal = EKeyWasNotConsumed;
if ( aKeyEvent.iCode == EKeyUpArrow )
{
MoveShipUp();
retVal = EKeyWasConsumed;
}
else if ( aKeyEvent.iCode == EKeyRightArrow )
{
MoveShipRight();
retVal = EKeyWasConsumed;
}
else if ( aKeyEvent.iCode == EKeyDownArrow )
{
MoveShipDown();
retVal = EKeyWasConsumed;
}
else if ( aKeyEvent.iCode == EKeyLeftArrow )
{
MoveShipLeft();
retVal = EKeyWasConsumed;
}
else if ( aKeyEvent.iCode == EKeyDevice1 )
{
GameOver();
retVal = EKeyWasConsumed;
}
else if ( aKeyEvent.iCode == EKeyDevice3
|| aKeyEvent.iCode == EKeyEnter )
{
if ( ! iShip->HasFired() )
{
iShip->ShotFired();
}
retVal = EKeyWasConsumed;
}
return retVal;
}
int main(void)
{
// primitive variables
bool done = false; // for game loop
bool redraw = true; // for redraw.
const int FPS = 60; // Frames Per Second
bool isGameOver = false;
// initialize
// object variables
SpaceShip ship, ship2;
Bullet bullet[NUM_BULLETS];
Bullet bullet2[NUM_BULLETS];
// Initialize
ALLEGRO_DISPLAY *display = NULL;
ALLEGRO_EVENT_QUEUE *event_queue = NULL ;
ALLEGRO_TIMER *timer = NULL;
ALLEGRO_FONT *font18 = NULL;
ALLEGRO_BITMAP *image1 = NULL , *image2 = NULL;
if(!al_init()) return -1;
display = al_create_display(WIDTH, HEIGHT);
if(!display) return -1;
// initializing primitives (for drawing ship)
al_init_primitives_addon();
al_install_keyboard();
al_init_font_addon();
al_init_ttf_addon();
al_init_image_addon();
event_queue = al_create_event_queue();
timer = al_create_timer(1.0/FPS);
// initialize objects
srand(time(NULL)); // sees number generator with current time.
// as time changes, the random number changes too.
InitShip(ship);
InitShip2(ship2);
InitBullet(bullet, NUM_BULLETS); // array of bullets for ship
InitBullet(bullet2, NUM_BULLETS); // array of bullets for ship2
font18 = al_load_font("Arial.ttf", 18, 0);
image1 = al_load_bitmap("Ship1.bmp");
image2 = al_load_bitmap("Ship2.bmp");
// register keyboard.
al_register_event_source(event_queue, al_get_keyboard_event_source());
al_register_event_source(event_queue, al_get_timer_event_source(timer));
al_register_event_source(event_queue, al_get_display_event_source(display));
// START TIMER
al_start_timer(timer);
while(!done)
{
ALLEGRO_EVENT ev;
// wait for event to come in from queue.
al_wait_for_event(event_queue, &ev);
// only happens once every 60 seconds max.
if (ev.type == ALLEGRO_EVENT_TIMER)
{
redraw = true;
// update the position of the ship, depending if the keys are pressed.
if(keys[UP]) MoveShipUp(ship2);
if(keys[DOWN]) MoveShipDown(ship2);
if(keys[LEFT]) MoveShip2Left(ship2);
if(keys[RIGHT]) MoveShip2Right(ship2);
if(keys[W]) MoveShipUp(ship);
if(keys[S]) MoveShipDown(ship);
if(keys[A]) MoveShipLeft(ship);
if(keys[D]) MoveShipRight(ship);
if(!isGameOver)
{
UpdateBullet(bullet, NUM_BULLETS); // update the position of the bullet
UpdateBullet2(bullet2, NUM_BULLETS);
// test if all the objects collide after all the objects move.
CollideBullet(bullet, NUM_BULLETS, ship2, ship);
CollideBullet2(bullet2, NUM_BULLETS, ship, ship2);
if(ship.lives <= 0 || ship2.lives <=0) isGameOver = true;
}
}
else if(ev.type == ALLEGRO_EVENT_DISPLAY_CLOSE) done = 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_LEFT:
keys[LEFT] = true;
break;
case ALLEGRO_KEY_RIGHT:
keys[RIGHT] = true;
break;
case ALLEGRO_KEY_SPACE:
keys[SPACE] = true;
FireBullet2(bullet2, NUM_BULLETS, ship2); // break to fire one bullet only
break;
case ALLEGRO_KEY_W:
keys[W] = true;
break;
case ALLEGRO_KEY_A:
keys[A] = true;
break;
case ALLEGRO_KEY_S:
keys[S] = true;
break;
case ALLEGRO_KEY_D:
keys[D] = true;
break;
case ALLEGRO_KEY_E:
keys[E] = true;
FireBullet(bullet, NUM_BULLETS, ship); // break to fire one bullet only
break;
}
}
else if(ev.type == ALLEGRO_EVENT_KEY_UP)
{
switch(ev.keyboard.keycode)
{
case ALLEGRO_KEY_ESCAPE:
done = true;
break;
case ALLEGRO_KEY_UP:
keys[UP] = false;
break;
case ALLEGRO_KEY_DOWN:
keys[DOWN] = false;
break;
case ALLEGRO_KEY_LEFT:
keys[LEFT] = false;
break;
case ALLEGRO_KEY_RIGHT:
keys[RIGHT] = false;
break;
case ALLEGRO_KEY_SPACE:
keys[SPACE] = false;
break;
case ALLEGRO_KEY_W:
keys[W] = false;
break;
case ALLEGRO_KEY_A:
keys[A] = false;
break;
case ALLEGRO_KEY_S:
keys[S] = false;
break;
case ALLEGRO_KEY_D:
keys[D] = false;
break;
case ALLEGRO_KEY_E:
keys[E] = false;
// break to fire one bullet only
break;
}
}
// if redraw is true and no queue for event.
if ( redraw && al_is_event_queue_empty(event_queue))
{
redraw = false;
if (!isGameOver)
{
// draws the latest position of bullet and ship that has been updated.
DrawShip(ship, image1); // Draw ship
DrawShip(ship2, image2);
DrawBullet(bullet, NUM_BULLETS); // draw bullets
DrawBullet(bullet2, NUM_BULLETS);
al_draw_textf(font18, al_map_rgb(255,0,255), 5, 5, 0, "Player 1 Lives left: %i \nScore: %i\n", ship.lives, ship.score);
al_draw_textf(font18, al_map_rgb(255,0,255), 50, 50, 0, "Player 2Lives left: %i \nScore: %i\n", ship2.lives, ship2.score);
}
else
{ al_draw_textf(font18, al_map_rgb(0,255,255), WIDTH/2, HEIGHT/2, ALLEGRO_ALIGN_CENTRE,
"GAME OVER. P1 Final Score: %i\n P2 Final Score %i",ship.score, ship2.score);
}
al_flip_display();
al_clear_to_color(al_map_rgb(0, 0, 0));
}
}
al_destroy_display(display);
return 0;
}
int main(void)
{
// don't forget to put allegro-5.0.10-monolith-md-debug.lib
//primitive variable
bool done = false;
bool redraw = true;
const int FPS = 60;
bool isGameOver = false;
//object variables
spaceShip ship;
Bullet bullets[NUM_BULLETS];
Comet comets[NUM_COMETS];
Explosion explosions[NUM_EXPLOSIONS];
//Allegro variables
ALLEGRO_DISPLAY *display = NULL;
ALLEGRO_EVENT_QUEUE *event_queue = NULL;
ALLEGRO_TIMER *timer = NULL;
ALLEGRO_FONT *font18 = NULL;
ALLEGRO_BITMAP *shipImage;
ALLEGRO_BITMAP *cometImage;
ALLEGRO_BITMAP *expImage;
ALLEGRO_SAMPLE * sample = NULL;
ALLEGRO_SAMPLE * sample2 = NULL;
ALLEGRO_SAMPLE * sample3 = NULL;
ALLEGRO_SAMPLE_INSTANCE * instance1 = NULL;
ALLEGRO_SAMPLE_INSTANCE * instance2 = NULL;
ALLEGRO_SAMPLE_INSTANCE * instance3 = NULL;
//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;
al_init_primitives_addon();
al_install_keyboard();
al_init_font_addon();
al_init_ttf_addon();
al_init_image_addon();
al_install_audio(); // always initialize audio before the codecs
al_init_acodec_addon();
al_reserve_samples(10); // reserves numbers of samples/ channels or voices
sample = al_load_sample("chirp.ogg");
sample2 = al_load_sample("static.ogg");
sample3 = al_load_sample("JSS - Our Song.ogg");
instance1 = al_create_sample_instance(sample);
instance2 = al_create_sample_instance(sample2);
instance3 = al_create_sample_instance(sample3);
al_set_sample_instance_playmode(instance3, ALLEGRO_PLAYMODE_LOOP);
al_attach_sample_instance_to_mixer(instance1, al_get_default_mixer());
al_attach_sample_instance_to_mixer(instance2, al_get_default_mixer());
al_attach_sample_instance_to_mixer(instance3, al_get_default_mixer());
event_queue = al_create_event_queue();
timer = al_create_timer(1.0 / FPS);
cometImage = al_load_bitmap("asteroid-1-96.png");
//above does not need convert_mask_to_alpha because it is tranparent background in sprite sheet
shipImage = al_load_bitmap("Spaceship_by_arboris.png");
al_convert_mask_to_alpha(shipImage,al_map_rgb(255,0,255));
expImage = al_load_bitmap("explosion_3_40_128.png");
srand(time(NULL));
InitShip(ship, shipImage);
InitBullet(bullets, NUM_BULLETS);
InitComet(comets, NUM_COMETS, cometImage);
InitExplosions(explosions, NUM_EXPLOSIONS, expImage);
font18 = al_load_font("arial.ttf", 18, 0);
al_register_event_source(event_queue, al_get_keyboard_event_source());
al_register_event_source(event_queue, al_get_timer_event_source(timer));
al_register_event_source(event_queue, al_get_display_event_source(display));
al_play_sample_instance(instance3);
al_start_timer(timer);
while(!done)
{
ALLEGRO_EVENT ev;
al_wait_for_event(event_queue, &ev);
if(ev.type == ALLEGRO_EVENT_TIMER)
{
redraw = true;
int soundX = ship.x;
int soundY = ship.y;
if(keys[UP])
MoveShipUp(ship);
else if(keys[DOWN])
MoveShipDown(ship);
else
ResetShipAnimation(ship,1);
if(keys[LEFT])
MoveShipLeft(ship);
else if(keys[RIGHT])
MoveShipRight(ship);
else
ResetShipAnimation(ship, 2);
if(soundX != ship.x || soundY != ship.y){
//al_play_sample(sample, 1,0,1, ALLEGRO_PLAYMODE_ONCE, NULL);
al_play_sample_instance(instance1);
}
if (ship.x -10 < 0 || ship.x + 10 > WIDTH || ship.y - 10 < 0 || ship.y + 10 > HEIGHT){
al_play_sample_instance(instance2);
}
if(!isGameOver)
{
UpdateExplosions(explosions, NUM_EXPLOSIONS);
UpdateBullet(bullets, NUM_BULLETS);
StartComet(comets, NUM_COMETS);
UpdateComet(comets, NUM_COMETS);
CollideBullet(bullets, NUM_BULLETS, comets, NUM_COMETS, ship, explosions, NUM_EXPLOSIONS);
CollideComet(comets, NUM_COMETS, ship, explosions, NUM_BULLETS);
if(ship.lives <= 0)
isGameOver = true;
}
}
else if(ev.type == ALLEGRO_EVENT_DISPLAY_CLOSE)
{
done = 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_LEFT:
keys[LEFT] = true;
break;
case ALLEGRO_KEY_RIGHT:
keys[RIGHT] = true;
break;
case ALLEGRO_KEY_SPACE:
keys[SPACE] = true;
FireBullet(bullets, NUM_BULLETS, ship);
break;
}
}
else if(ev.type == ALLEGRO_EVENT_KEY_UP)
{
switch(ev.keyboard.keycode)
{
case ALLEGRO_KEY_ESCAPE:
done = true;
break;
case ALLEGRO_KEY_UP:
keys[UP] = false;
break;
case ALLEGRO_KEY_DOWN:
keys[DOWN] = false;
break;
case ALLEGRO_KEY_LEFT:
keys[LEFT] = false;
break;
case ALLEGRO_KEY_RIGHT:
keys[RIGHT] = 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);
if(al_get_sample_instance_playing(instance1)){
al_draw_text(font18, al_map_rgb(255,255,255),5,30,0, "Instance 1 is playing");
}
if(al_get_sample_instance_playing(instance2)){
al_draw_text(font18, al_map_rgb(255,255,255),WIDTH - 5,30,ALLEGRO_ALIGN_RIGHT, "Instance 2 is playing");
}
if(al_get_sample_instance_playing(instance3)){
al_draw_textf(font18, al_map_rgb(255,255,255),5,HEIGHT - 30,0, "Instance 3 is playing: %.1f %%", al_get_sample_instance_position(instance3) / (float)al_get_sample_instance_length(instance3) * 100);
}
DrawBullet(bullets, NUM_BULLETS);
DrawComet(comets, NUM_COMETS);
DrawExplosions(explosions, NUM_EXPLOSIONS);
al_draw_textf(font18, 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(font18, 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_sample_instance(instance1);
al_destroy_sample_instance(instance2);
al_destroy_sample_instance(instance3);
al_destroy_sample(sample);
al_destroy_sample(sample2);
al_destroy_sample(sample3);
al_destroy_bitmap(expImage);
al_destroy_bitmap(shipImage);
al_destroy_bitmap(cometImage);
al_destroy_event_queue(event_queue);
al_destroy_timer(timer);
al_destroy_font(font18);
al_destroy_display(display); //destroy our display object
return 0;
}
int main(void)
{
//primitive variable
bool done = false;
bool redraw = true;
const int FPS = 60;
bool isGameOver = false;
//object variables
SpaceShip ship;
Bullet bullets[NUM_BULLETS];
Comet comets[NUM_COMETS];
//Allegro variables
ALLEGRO_DISPLAY *display = NULL;
ALLEGRO_EVENT_QUEUE *event_queue = NULL;
ALLEGRO_TIMER *timer = NULL;
ALLEGRO_FONT *font18 = NULL;
//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;
al_init_primitives_addon();
al_install_keyboard();
al_init_font_addon();
al_init_ttf_addon();
event_queue = al_create_event_queue();
timer = al_create_timer(1.0 / FPS);
srand(time(NULL));
InitShip(ship);
InitBullet(bullets, NUM_BULLETS);
InitComet(comets, NUM_COMETS);
font18 = al_load_font("arial.ttf", 18, 0);
al_register_event_source(event_queue, al_get_keyboard_event_source());
al_register_event_source(event_queue, al_get_timer_event_source(timer));
al_register_event_source(event_queue, al_get_display_event_source(display));
al_start_timer(timer);
while(!done)
{
ALLEGRO_EVENT ev;
al_wait_for_event(event_queue, &ev);
if(ev.type == ALLEGRO_EVENT_TIMER)
{
redraw = true;
if(keys[UP])
MoveShipUp(ship);
if(keys[DOWN])
MoveShipDown(ship);
if(keys[LEFT])
MoveShipLeft(ship);
if(keys[RIGHT])
MoveShipRight(ship);
if(!isGameOver)
{
UpdateBullet(bullets, NUM_BULLETS);
StartComet(comets, NUM_COMETS);
UpdateComet(comets, NUM_COMETS);
CollideBullet(bullets, NUM_BULLETS, comets, NUM_COMETS, ship);
CollideComet(comets, NUM_COMETS, ship);
if(ship.lives <= 0)
isGameOver = true;
}
}
else if(ev.type == ALLEGRO_EVENT_DISPLAY_CLOSE)
{
done = 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_LEFT:
keys[LEFT] = true;
break;
case ALLEGRO_KEY_RIGHT:
keys[RIGHT] = true;
break;
case ALLEGRO_KEY_SPACE:
keys[SPACE] = true;
FireBullet(bullets, NUM_BULLETS, ship);
break;
}
}
else if(ev.type == ALLEGRO_EVENT_KEY_UP)
{
switch(ev.keyboard.keycode)
{
case ALLEGRO_KEY_ESCAPE:
done = true;
break;
case ALLEGRO_KEY_UP:
keys[UP] = false;
break;
case ALLEGRO_KEY_DOWN:
keys[DOWN] = false;
break;
case ALLEGRO_KEY_LEFT:
keys[LEFT] = false;
break;
case ALLEGRO_KEY_RIGHT:
keys[RIGHT] = 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(font18, 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(font18, 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_event_queue(event_queue);
al_destroy_timer(timer);
al_destroy_font(font18);
al_destroy_display(display); //destroy our display object
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;
}