void Game::update() { switch (current_state) { case GS_START: { if (!countdown) { countdown = smgr->addBillboardTextSceneNode(guienv->getBuiltInFont(), L"READY!", 0, dimension2d<f32>(200.0f, 200.0f)); countdown->setText(L"READY!"); countdown->setTextColor(SColor(255,230,100,0)); countdown->setPosition(vector3df(3454,500,1256)); //countdown->setScale(vector3df(10,10,10)); (*object->begin())->getSceneNode()->setPosition(vector3df(3454,500,1256)); (*object->begin())->getSceneNode()->setRotation(vector3df(0,260,0)); nr_of_laps = 0; last_time = clock(); } u32 time = clock(); if ((time - last_time)/CLOCKS_PER_SEC >= 1) { current_state = GS_COUNTING_DOWN; } break; } case GS_COUNTING_DOWN: { u32 time = clock(); if ((time - last_time)/CLOCKS_PER_SEC >= 3) { current_state = GS_RUNNING; countdown->remove(); countdown = NULL; last_time = clock(); } else { stringw str = ""; str += (3 - (time - last_time)/CLOCKS_PER_SEC); countdown->setText(str.c_str()); } break; } case GS_RUNNING: { u32 time = clock(); time = time - last_time; // Update the car reciever->dispatch(); stringw str; str += "LAP "; str += nr_of_laps; str += " / "; str += max_laps; str += "\nTOTAL TIME: "; str += time/CLOCKS_PER_SEC; str += " seconds"; str += "\nUSE ARROW KEYS TO PLAY"; info->setText(str.c_str()); // Transition if (nr_of_laps > max_laps) { current_state = GS_GAME_OVER; countdown = smgr->addBillboardTextSceneNode(guienv->getBuiltInFont(), L"GOAL!", 0, dimension2d<f32>(150.0f, 150.0f)); countdown->setText(L"GOAL!"); countdown->setTextColor(SColor(255,230,100,0)); vector3df v = (*object->begin())->getSceneNode()->getPosition(); v.Y = 500.0f; countdown->setPosition(v); IAnimatedMeshSceneNode *cp = checkpoint->back(); checkpoint->pop_back(); checkpoint->push_front(cp); } break; } case GS_GAME_OVER: { if (reciever->getNextState() == GS_QUIT) { device->closeDevice(); } else if (reciever->getNextState() == GS_START) { current_state = GS_START; countdown->remove(); countdown = NULL; } else { stringw str = info->getText(); str += "\nPRESS ENTER TO CONTINUE\nESC TO QUIT"; info->setText(str.c_str()); } break; } } reciever->setCurrentState(current_state); // Update everything else vector<GameObject*>::iterator i = object->begin(); for (; i != object->end(); i++) { (*i)->update(); } if (current_state == GS_RUNNING) { // Car intersects checkpoint i = object->begin(); for (; i != object->end(); i++) { if ((*i)->getID() == 1) { // Intersects, front and push_back IAnimatedMeshSceneNode *cp = checkpoint->front(); aabbox3d<f32> box = (*i)->getSceneNode()->getTransformedBoundingBox(); if (box.intersectsWithBox(cp->getTransformedBoundingBox())) { checkpoint->pop_front(); checkpoint->push_back(cp); // First? if (cp == first_checkpoint) { nr_of_laps++; } } } } } }
void dns_cache_prune(DnsCache *c) { usec_t t = 0; assert(c); /* Remove all entries that are past their TTL */ for (;;) { _cleanup_(dns_resource_key_unrefp) DnsResourceKey *key = NULL; DnsCacheItem *i; i = prioq_peek(c->by_expiry); if (!i) break; if (t <= 0) t = now(CLOCK_BOOTTIME); if (i->until > t) break; /* Take an extra reference to the key so that it * doesn't go away in the middle of the remove call */ key = dns_resource_key_ref(i->key); dns_cache_remove(c, key); } } static int dns_cache_item_prioq_compare_func(const void *a, const void *b) { const DnsCacheItem *x = a, *y = b; if (x->until < y->until) return -1; if (x->until > y->until) return 1; return 0; } static int dns_cache_init(DnsCache *c) { int r; assert(c); r = prioq_ensure_allocated(&c->by_expiry, dns_cache_item_prioq_compare_func); if (r < 0) return r; r = hashmap_ensure_allocated(&c->by_key, &dns_resource_key_hash_ops); if (r < 0) return r; return r; } static int dns_cache_link_item(DnsCache *c, DnsCacheItem *i) { DnsCacheItem *first; int r; assert(c); assert(i); r = prioq_put(c->by_expiry, i, &i->prioq_idx); if (r < 0) return r; first = hashmap_get(c->by_key, i->key); if (first) { LIST_PREPEND(by_key, first, i); assert_se(hashmap_replace(c->by_key, first->key, first) >= 0); } else { r = hashmap_put(c->by_key, i->key, i); if (r < 0) { prioq_remove(c->by_expiry, i, &i->prioq_idx); return r; } } return 0; } static DnsCacheItem* dns_cache_get(DnsCache *c, DnsResourceRecord *rr) { DnsCacheItem *i; assert(c); assert(rr); LIST_FOREACH(by_key, i, hashmap_get(c->by_key, rr->key)) if (i->rr && dns_resource_record_equal(i->rr, rr) > 0) return i; return NULL; } static void dns_cache_item_update_positive(DnsCache *c, DnsCacheItem *i, DnsResourceRecord *rr, usec_t timestamp) { assert(c); assert(i); assert(rr); i->type = DNS_CACHE_POSITIVE; if (!i->by_key_prev) { /* We are the first item in the list, we need to * update the key used in the hashmap */ assert_se(hashmap_replace(c->by_key, rr->key, i) >= 0); } dns_resource_record_ref(rr); dns_resource_record_unref(i->rr); i->rr = rr; dns_resource_key_unref(i->key); i->key = dns_resource_key_ref(rr->key); i->until = timestamp + MIN(rr->ttl * USEC_PER_SEC, CACHE_TTL_MAX_USEC); prioq_reshuffle(c->by_expiry, i, &i->prioq_idx); } static int dns_cache_put_positive( DnsCache *c, DnsResourceRecord *rr, usec_t timestamp, int owner_family, const union in_addr_union *owner_address) { _cleanup_(dns_cache_item_freep) DnsCacheItem *i = NULL; DnsCacheItem *existing; int r; assert(c); assert(rr); assert(owner_address); /* New TTL is 0? Delete the entry... */ if (rr->ttl <= 0) { dns_cache_remove(c, rr->key); return 0; } if (rr->key->class == DNS_CLASS_ANY) return 0; if (rr->key->type == DNS_TYPE_ANY) return 0; /* Entry exists already? Update TTL and timestamp */ existing = dns_cache_get(c, rr); if (existing) { dns_cache_item_update_positive(c, existing, rr, timestamp); return 0; } /* Otherwise, add the new RR */ r = dns_cache_init(c); if (r < 0) return r; dns_cache_make_space(c, 1); i = new0(DnsCacheItem, 1); if (!i) return -ENOMEM; i->type = DNS_CACHE_POSITIVE; i->key = dns_resource_key_ref(rr->key); i->rr = dns_resource_record_ref(rr); i->until = timestamp + MIN(i->rr->ttl * USEC_PER_SEC, CACHE_TTL_MAX_USEC); i->prioq_idx = PRIOQ_IDX_NULL; i->owner_family = owner_family; i->owner_address = *owner_address; r = dns_cache_link_item(c, i); if (r < 0) return r; i = NULL; return 0; } static int dns_cache_put_negative( DnsCache *c, DnsResourceKey *key, int rcode, usec_t timestamp, uint32_t soa_ttl, int owner_family, const union in_addr_union *owner_address) { _cleanup_(dns_cache_item_freep) DnsCacheItem *i = NULL; int r; assert(c); assert(key); assert(owner_address); dns_cache_remove(c, key); if (key->class == DNS_CLASS_ANY) return 0; if (key->type == DNS_TYPE_ANY) return 0; if (soa_ttl <= 0) return 0; if (!IN_SET(rcode, DNS_RCODE_SUCCESS, DNS_RCODE_NXDOMAIN)) return 0; r = dns_cache_init(c); if (r < 0) return r; dns_cache_make_space(c, 1); i = new0(DnsCacheItem, 1); if (!i) return -ENOMEM; i->type = rcode == DNS_RCODE_SUCCESS ? DNS_CACHE_NODATA : DNS_CACHE_NXDOMAIN; i->key = dns_resource_key_ref(key); i->until = timestamp + MIN(soa_ttl * USEC_PER_SEC, CACHE_TTL_MAX_USEC); i->prioq_idx = PRIOQ_IDX_NULL; i->owner_family = owner_family; i->owner_address = *owner_address; r = dns_cache_link_item(c, i); if (r < 0) return r; i = NULL; return 0; } int dns_cache_put( DnsCache *c, DnsQuestion *q, int rcode, DnsAnswer *answer, unsigned max_rrs, usec_t timestamp, int owner_family, const union in_addr_union *owner_address) { unsigned i; int r; assert(c); assert(q);