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#include <allegro5\allegro.h>
#include <allegro5\allegro_native_dialog.h>
#include <allegro5\allegro_font.h>
#include <allegro5\allegro_ttf.h>
#include <allegro5\allegro_primitives.h>
#include "object.h"
//globals
const int height = 400;
const int width = 800;
enum keys {UP, DOWN, LEFT, RIGHT, SPACE};
bool keys[5] = {false, false, false, false, false};
//prototypes
void initship(spaceship &ship); //these
void drawship(spaceship &ship); //are
void moveshipup(spaceship &ship); //for
void moveshipdown(spaceship &ship); //our
void moveshipleft(spaceship &ship); //space
void moveshipright(spaceship &ship); //ship
void initbullet(bullet bullets[5], int size); //these
void drawbullet(bullet bullets[5], int size); //are
void firebullet(bullet bullets[5],int size,spaceship &ship); //for
void updatebullet(bullet bullets[5],int size); //bullets
//variables
bool done = false;
int FPS = 60;
int numberofbullets = 5; //how many you can have on screen
bool redraw = false;
//object variables
spaceship ship;
bullet bullets[5];
int main ()
{
//inits start here
ALLEGRO_DISPLAY *display =NULL;
ALLEGRO_EVENT_QUEUE *eventqueue =NULL;
if (!al_init())
{
al_show_native_message_box (NULL, NULL, NULL,
"FAILED TO INITIALIZE ALLEGRO", NULL, NULL);
}
display = al_create_display (width, height);
if (!display)
{
al_show_native_message_box (NULL, NULL, NULL,
"FAILED TO INITIALIZE display", NULL, NULL);
}
al_init_font_addon();
al_init_ttf_addon();
ALLEGRO_FONT *font24 = al_load_font ("arial.ttf", 24, 0);
ALLEGRO_FONT *font36 = al_load_font ("arial.ttf", 36, 0);
ALLEGRO_FONT *font18 = al_load_font ("arial.ttf", 18, 0);
al_init_primitives_addon();
al_install_keyboard();
eventqueue = al_create_event_queue();
al_register_event_source(eventqueue, al_get_keyboard_event_source());
al_register_event_source(eventqueue, al_get_display_event_source(display));
ALLEGRO_TIMER *timer = NULL;
timer = al_create_timer(1.0/FPS);
al_register_event_source(eventqueue, al_get_timer_event_source(timer));
initship (ship);
initbullet(bullets,numberofbullets);
//timer
al_start_timer(timer);
//inits end here
while (!done)
{
ALLEGRO_EVENT ev;
al_wait_for_event (eventqueue, &ev);
if (ev.type == ALLEGRO_EVENT_KEY_DOWN)
{
switch (ev.keyboard.keycode)
{
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, numberofbullets,ship);
break;
}
}
else if (ev.type == ALLEGRO_EVENT_DISPLAY_CLOSE)
{
done = true;
}
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_LEFT:
keys[LEFT] = false;
break;
case ALLEGRO_KEY_RIGHT:
keys[RIGHT] = false;
break;
case ALLEGRO_KEY_SPACE:
keys[SPACE] = false;
break;
case ALLEGRO_KEY_ESCAPE:
done =true;
}
}
else if (ALLEGRO_EVENT_TIMER)
{
if (keys[UP] == true)
moveshipup(ship);
if (keys[DOWN] == true)
moveshipdown(ship);
if (keys[LEFT] == true)
moveshipleft(ship);
if (keys[RIGHT] == true)
moveshipright(ship);
redraw = true;
}
if (redraw && al_is_event_queue_empty(eventqueue))
{
redraw = false;
drawship(ship);
drawbullet(bullets, numberofbullets);
al_flip_display();
al_clear_to_color(al_map_rgb(0,0,0));
}
}
al_destroy_display(display);
return 0;
}
//***********************************************************
//***********************************************************
//***********************************************************
//*****FUNCTIONS*FUNCTIONS*FUNCTIONS*FUNCTIONS*FUNCTIONS*****
//***********************************************************
//***********************************************************
//***********************************************************
//ship stuff start
void initship(spaceship &ship)
{
ship.x=40;
ship.y=height/2;
ship.ID=PLAYER;
ship.lives=5;
ship.speed=5;
ship.boundx=6;
ship.boundy=7;
ship.score=0;
}
void drawship(spaceship &ship)
{
al_draw_filled_rectangle(ship.x,ship.y,ship.x-30,ship.y-15, al_map_rgb(0,255,0));
al_draw_filled_triangle(ship.x,ship.y,ship.x,ship.y-15,ship.x+10,ship.y-8, al_map_rgb(0,0,255));
}
void moveshipup(spaceship &ship)
{
ship.y -= ship.speed;
if (ship.y < 17)
ship.y = 17;
}
void moveshipdown(spaceship &ship)
{
ship.y += ship.speed;
if (ship.y > height - 2)
ship.y = height - 2;
}
void moveshipleft(spaceship &ship)
{
ship.x -= ship.speed;
if (ship.x < 32)
ship.x = 32;
}
void moveshipright(spaceship &ship)
{
ship.x += ship.speed;
if (ship.x > 200)
ship.x = 200;
}
//ship stuff end
void initbullet(bullet bullet[], int size)
{
for(int i = 0; i < size; i++)
{
bullet[i].ID = BULLET;
bullet[i].speed = 0.2;
bullet[i].live = false;
}
}
void drawbullet(bullet bullet[], int size)
{
for(int i = 0; i < size; i++)
{
if (bullet[i].live)
al_draw_filled_circle(bullet[i].x,bullet[i].y, 2, al_map_rgb(255,0,0));
}
}
void firebullet(bullet bullet[],int size, spaceship &ship)
{
for(int i = 0; i < size; i++)
{
if (!bullet[i].live)
bullet[i].x = ship.x + 14;
bullet[i].y = ship.y-8;
bullet[i].live = true;
break;
}
}
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