void
ship_fire(SHIP *ship, ALLEGRO_TIMER *timer)
{
LIST *head = NULL;
MISSILE *missile = NULL;
VECTOR position;
/* full button press required for each missile */
if(ship->fire_debounce)
return;
/* find an inactive missile to launch */
head = list_first(ship->missiles);
while(head && !missile) {
MISSILE *m = (MISSILE *) head->data;
if(!m->active)
missile = m;
head = head->next;
}
/* all missiles in use? */
if(missile == NULL)
return;
position.x = ship->position->x;
position.y = ship->position->y;
missile_fire(missile, &position, ship->angle, timer);
ship->fire_debounce = true;
}
int main()
{
set_conio_terminal_mode();
acc_tick=last_tick=0;
for (int i=0; i<2; i++) {
map_init(&gScreenBuffer[i]);
map_new(&gScreenBuffer[i],35,15);
}
map_init(&gMissile);
map_load(&gMissile,"plasma.dat");
missile_init(&gMissileObject,0,0,0,&gMissile);
system("clear");
//target
int targetx, targety;
targety = 3;
targetx = 2;
int fire_x = 24;
int fire_y = 12;
while(bLoop) {
//time process
clock_gettime(CLOCK_MONOTONIC,&work_timer);
double cur_tick = work_timer.tv_sec +
(double)(work_timer.tv_nsec * 1e-9);
double delta_tick = cur_tick - last_tick;
last_tick = cur_tick;
//input
if(kbhit() != 0) {
char ch = getch();
if(ch == 'q') {
bLoop = 0;
puts("bye~ \r");
}
else if (ch == 'j') {
double vx, vy, c;
vx = targetx - fire_x;
vy = targety - fire_y;
c = sqrt(vx*vx + vy*vy);
vx /= c;
vy /= c;
missile_fire(&gMissileObject,
fire_x, fire_y,
10.0, vx, vy,
10);
}
else if (ch == 'a') {
targetx -= 1;
}
else if (ch == 'd') {
targetx += 1;
}
}
// apply location
missile_apply(&gMissileObject,delta_tick);
// time calculate
acc_tick += delta_tick;
if(acc_tick > 0.1) {
//puts("tick...\r");
map_drawTile(&gScreenBuffer[0],0,0,&gScreenBuffer[1]);
missile_draw(&gMissileObject,&gScreenBuffer[1]);
gotoxy(0,0);
map_PutTile(&gScreenBuffer[1],fire_x,fire_y,1);
map_PutTile(&gScreenBuffer[1],targetx,targety,5);
map_dump(&gScreenBuffer[1],Default_Tilepalete);
acc_tick = 0;
}
}
return 0;
}
