static void *
critical_init (Display *dpy, Window window)
{
struct state *st = (struct state *) calloc (1, sizeof(*st));
int model_w, model_h;
st->dpy = dpy;
st->window = window;
/* Find window attributes */
XGetWindowAttributes (st->dpy, st->window, &st->wattr);
st->batchcount = get_integer_resource (st->dpy, "batchcount", "Integer");
if (st->batchcount < 5)
st->batchcount = 5;
st->lines_per_color = 10;
/* For the moment the model size is just fixed -- making it vary
with the screen size just makes the hack boring on large
screens. */
model_w = 80;
st->settings.cell_size = st->wattr.width / model_w;
model_h = st->settings.cell_size ?
st->wattr.height / st->settings.cell_size : 1;
/* Construct the initial model state. */
st->settings.trail = clip(2, get_integer_resource (st->dpy, "trail", "Integer"), 1000);
st->history = calloc (st->settings.trail, sizeof (st->history[0]));
if (!st->history)
{
fprintf (stderr, "critical: "
"couldn't allocate trail history of %d cells\n",
st->settings.trail);
abort();
}
st->model = model_allocate (model_w, model_h);
if (!st->model)
{
fprintf (stderr, "critical: error preparing the model\n");
abort();
}
/* make a black gc for the background */
st->gcv.foreground = get_pixel_resource (st->dpy, st->wattr.colormap,
"background", "Background");
st->bgc = XCreateGC (st->dpy, st->window, GCForeground, &st->gcv);
st->fgc = XCreateGC (st->dpy, st->window, 0, &st->gcv);
#ifdef HAVE_JWXYZ
jwxyz_XSetAntiAliasing (dpy, st->fgc, False);
jwxyz_XSetAntiAliasing (dpy, st->bgc, False);
#endif
st->delay_usecs = get_integer_resource (st->dpy, "delay", "Integer");
st->n_restart = get_integer_resource (st->dpy, "restart", "Integer");
setup_colormap (st, &st->d_colors, &st->d_n_colors);
model_initialize (st->model);
model_step (st->model, &st->history[0]);
st->d_pos = 1;
st->d_wrapped = 0;
st->i_restart = 0;
st->d_i_batch = st->batchcount;
return st;
}
static unsigned long
critical_draw (Display *dpy, Window window, void *closure)
{
struct state *st = (struct state *) closure;
if (st->eraser) {
st->eraser = erase_window (st->dpy, st->window, st->eraser);
return st->delay_usecs;
}
/* for (d_i_batch = batchcount; d_i_batch; d_i_batch--) */
{
/* Set color */
if ((st->d_i_batch % st->lines_per_color) == 0)
{
st->d_i_color = (st->d_i_color + 1) % st->d_n_colors;
st->gcv.foreground = st->d_colors[st->d_i_color].pixel;
XChangeGC (st->dpy, st->fgc, GCForeground, &st->gcv);
}
assert(st->d_pos >= 0 && st->d_pos < st->settings.trail);
model_step (st->model, &st->history[st->d_pos]);
draw_step (st, st->fgc, st->d_pos);
/* we use the history as a ring buffer, but don't start erasing until
we've d_wrapped around once. */
if (++st->d_pos >= st->settings.trail)
{
st->d_pos -= st->settings.trail;
st->d_wrapped = 1;
}
if (st->d_wrapped)
{
draw_step (st, st->bgc, st->d_pos+1);
}
}
st->d_i_batch--;
if (st->d_i_batch < 0)
st->d_i_batch = st->batchcount;
else
return st->delay_usecs;
st->i_restart = (st->i_restart + 1) % st->n_restart;
if (st->i_restart == 0)
{
/* Time to start a new simulation, this one has probably got
to be a bit boring. */
free_colormap (st, &st->d_colors, st->d_n_colors);
setup_colormap (st, &st->d_colors, &st->d_n_colors);
st->eraser = erase_window (st->dpy, st->window, st->eraser);
model_initialize (st->model);
model_step (st->model, &st->history[0]);
st->d_pos = 1;
st->d_wrapped = 0;
st->d_i_batch = st->batchcount;
}
return st->delay_usecs;
}
bool server_game_start(char *game_script_name,int skill,network_reply_join_remotes *remotes,char *err_str)
{
int n;
network_request_object_add *obj_add;
// initialize lists
model_initialize();
object_initialize_list();
weapon_initialize_list();
proj_setup_initialize_list();
scripts_initialize();
script_globals_initialize();
timers_initialize();
// setup skill level
server.skill=skill;
// run game script
map.info.name[0]=0x0;
map.info.player_start_name[0]=0x0;
map.info.player_start_type[0]=0x0;
map.info.in_load=FALSE;
server.player_obj_uid=-1;
js.game_attach.thing_type=thing_type_game;
js.game_attach.thing_uid=-1;
scripts_clear_attach_data(&js.game_attach);
if (!scripts_add(&js.game_attach,"Game",game_script_name,NULL,err_str)) return(FALSE);
// editor map override?
if (setup.editor_override.on) {
strcpy(map.info.name,setup.editor_override.map);
}
// can't start a game without a map
if (map.info.name[0]==0x0) {
strcpy(err_str,"Game: No start map specified in game script");
return(FALSE);
}
// prepare for any script based spawns
object_script_spawn_start();
// put in additional objects (remotes, bots)
if (remotes!=NULL) {
obj_add=remotes->objects;
for (n=0;n!=remotes->count;n++) {
remote_add(obj_add,FALSE);
obj_add++;
}
}
// start player object
server.player_obj_uid=object_start(NULL,TRUE,bt_game,-1,err_str);
if (server.player_obj_uid==-1) {
scripts_dispose(js.game_attach.script_uid);
return(FALSE);
}
// force player to auto-spawn
// spawing of player needs to happen before map_start events
object_spawn(object_find_uid(server.player_obj_uid));
// finish any script based spawns
object_script_spawn_finish();
return(TRUE);
}
