void game_over()
{
vga_clear();
offset(6, graphic_game_over, vga_get_width()/2 - 150, vga_get_height()/2 - 150);
vga_addpoly(6, graphic_game_over);
vga_sync();
while(1);
}
void win()
{
vga_clear();
offset(4, graphic_vict, vga_get_width()/2 - 150, vga_get_height()/2 - 150);
vga_addpoly(4, graphic_vict);
vga_sync();
while(1);
}
void game_main()
{
keymap_t keys;
vga_init();
go_initialize();
srand(time(NULL));
game_object_t* ship_o = go_getempty();
ship_o->enabled = 1;
ship_o->poly_points = 4;
ship_o->poly = ship;
ship_o->center_point.x = 320;
ship_o->center_point.y = 240;
ship_o->location.x = vga_get_width()/2 - 320;
ship_o->location.y = vga_get_height()/2 - 240;
ship_o->identifier = OI_SHIP;
int i;
for (i = 0; i < 4; i++){
go_createasteroid(1);
}
while(1)
{
go_tick();
vga_sync();
keys = input_get_keys();
if(keys & KEY_SHOOT)
{
if (shoot_limit == 0)
{
shoot_limit = 25;
game_object_t* bullet_o = go_getempty();
bullet_o->location.x = ship_o->location.x;
bullet_o->location.y = ship_o->location.y;
bullet_o->xvel = bullet_speed * cosine(ship_o->angle + 4.71);
bullet_o->yvel = bullet_speed * sine(ship_o->angle + 4.71);
bullet_o->center_point.x = 320;
bullet_o->center_point.y = 240;
bullet_o->angle = ship_o->angle;
bullet_o->enabled = 1;
bullet_o->poly = bullet_p;
bullet_o->poly_points = 2;
bullet_o->nowrap = 1;
bullet_o->identifier = OI_BULLET;
}
}
if(keys & KEY_LEFT)
{
ship_o->angle -= rotate_amount;
}
if(keys & KEY_RIGHT)
{
ship_o->angle += rotate_amount;
}
if(keys & KEY_UP)
{
//TODO: lookup table
ship_o->xvel += ship_accel * cosine(ship_o->angle + 4.71);
ship_o->yvel += ship_accel * sine(ship_o->angle + 4.71);
}
/*if(keys & KEY_DOWN)
{
ship_o->angle += 3.14;
}*/
if (shoot_limit > 0) shoot_limit--;
if (go_currentstate == STATE_DEAD) game_over();
if (go_currentstate == STATE_VICT) win();
vga_clear();
go_draw();
}
}
void add_window(int pid, wm_reg_t *req) {
char fname[255];
int fd;
unsigned int *buf;
win_info_t *win_info;
/* allocate win_info structure */
win_info = malloc(sizeof(win_info_t));
/* get window shared file name */
get_win_shfname(fname, pid, req->id);
/* open the shared file */
fd = open(fname, 0);
/* map the pixel buffer */
buf = mmap(NULL, req->width*req->height*4, MMAP_TYPE_FILE,
MMAP_FLAGS_SHARED, fd, 0);
/* close the shared file */
close(fd);
/* initialize win_info structure */
win_info->next = first;
win_info->pid = pid;
win_info->wid = req->id;
win_info->visible = req->visible;
strcpy(win_info->title, req->title);
strcpy(win_info->iconfile, req->iconfile);
win_info->ico = parse_png(win_info->iconfile);
/* allocate pixel buffer structure */
win_info->pixbuf = malloc(sizeof(pixbuf_t));
/* initialize pixbuf */
win_info->pixbuf->width = req->width;
win_info->pixbuf->height = req->height;
win_info->pixbuf->buf = buf;
/* x and y */
if (req->x == -1) {
/* generate random offsets */
rand += 100;
if (rand >= vga_get_width() || rand >= vga_get_height())
rand = 100;
win_info->x = rand;
win_info->y = rand;
} else if (req->x == -2) {
win_info->x = (get_osm()->width-req->width)/2;
win_info->y = (get_osm()->height-req->height)/2;
} else {
win_info->x = req->x;
win_info->y = req->y;
}
/* add to the linked list */
first = win_info;
wincount++;
/* update screen if window is visible */
/* if (req->visible) */
draw_window(win_info, 1, 1);
}
