/*
* @brief Searches all active entities for the next targeted one.
*
* Searches beginning at the entity after from, or the beginning if NULL
* NULL will be returned if the end of the list is reached.
*/
g_entity_t *G_PickTarget(char *target_name) {
g_entity_t *choice[MAX_TARGETS];
size_t num_choices = 0;
if (!target_name) {
gi.Debug("NULL target_name\n");
return NULL;
}
g_entity_t *ent = NULL;
while (true) {
ent = G_Find(ent, LOFS(target_name), target_name);
if (!ent)
break;
choice[num_choices++] = ent;
if (num_choices == MAX_TARGETS)
break;
}
if (!num_choices) {
gi.Debug("Target %s not found\n", target_name);
return NULL;
}
return choice[Random() % num_choices];
}
F_STRING, // string on disk, pointer in memory, TAG_LEVEL
F_VECTOR,
F_ANGLE
} g_field_type_t;
typedef struct g_field_s {
char *name;
ptrdiff_t ofs;
g_field_type_t type;
int32_t flags;
} g_field_t;
static const g_field_t fields[] = {
{ "classname", EOFS(class_name), F_STRING, 0 },
{ "model", EOFS(model), F_STRING, 0 },
{ "spawnflags", LOFS(spawn_flags), F_INT, 0 },
{ "speed", LOFS(speed), F_FLOAT, 0 },
{ "accel", LOFS(accel), F_FLOAT, 0 },
{ "decel", LOFS(decel), F_FLOAT, 0 },
{ "target", LOFS(target), F_STRING, 0 },
{ "targetname", LOFS(target_name), F_STRING, 0 },
{ "pathtarget", LOFS(path_target), F_STRING, 0 },
{ "killtarget", LOFS(kill_target), F_STRING, 0 },
{ "message", LOFS(message), F_STRING, 0 },
{ "team", LOFS(team), F_STRING, 0 },
{ "command", LOFS(command), F_STRING, 0 },
{ "script", LOFS(script), F_STRING, 0 },
{ "wait", LOFS(wait), F_FLOAT, 0 },
{ "delay", LOFS(delay), F_FLOAT, 0 },
{ "random", LOFS(random), F_FLOAT, 0 },
{ "style", LOFS(area_portal), F_INT, 0 }, // HACK, this was always overloaded
/*
* @brief Search for all entities that the specified entity targets, and call their
* use functions. Set their activator to our activator. Print our message,
* if set, to the activator.
*/
void G_UseTargets(g_entity_t *ent, g_entity_t *activator) {
g_entity_t *t;
// check for a delay
if (ent->locals.delay) {
// create a temp object to fire at a later time
t = G_AllocEntity(__func__);
t->locals.next_think = g_level.time + ent->locals.delay * 1000;
t->locals.Think = G_UseTargets_Delay;
t->locals.activator = activator;
if (!activator)
gi.Debug("No activator for %s\n", etos(ent));
t->locals.message = ent->locals.message;
t->locals.target = ent->locals.target;
t->locals.kill_target = ent->locals.kill_target;
return;
}
// print the message
if ((ent->locals.message) && activator->client) {
gi.WriteByte(SV_CMD_CENTER_PRINT);
gi.WriteString(ent->locals.message);
gi.Unicast(activator, true);
if (ent->locals.noise_index)
gi.Sound(activator, ent->locals.noise_index, ATTEN_NORM);
else
gi.Sound(activator, gi.SoundIndex("misc/chat"), ATTEN_NORM);
}
// kill kill_targets
if (ent->locals.kill_target) {
t = NULL;
while ((t = G_Find(t, LOFS(target_name), ent->locals.kill_target))) {
G_FreeEntity(t);
if (!ent->in_use) {
gi.Debug("%s was removed while using kill_targets\n", etos(ent));
return;
}
}
}
// doors fire area portals in a specific way
const _Bool is_door = g_str_has_prefix(ent->class_name, "func_door");
// fire targets
if (ent->locals.target) {
t = NULL;
while ((t = G_Find(t, LOFS(target_name), ent->locals.target))) {
if (is_door && !g_strcmp0(t->class_name, "func_areaportal")) {
continue;
}
if (t == ent) {
gi.Debug("%s tried to use itself\n", etos(ent));
continue;
}
if (t->locals.Use) {
t->locals.Use(t, ent, activator);
if (!ent->in_use) { // see if our target freed us
gi.Debug("%s was removed while using targets\n", etos(ent));
break;
}
}
}
}
}
