void* consumer(void* t)
{
long tid = (long) t;
while (1)
{
while (itemCount == 0); // Spin if nothing in buffer
int item = removeItemFromBuffer(); // Once buffer has an item, remove the item from buffer
printf("Consumer removed: %d\n", item);
itemCount = itemCount - 1;
consumeItem(item);
}
pthread_exit(NULL);
}
void consumer(int id,int shmid,int full,int empty,int mutex){
struct sembuf semV,semP;
initSemaphoreOperation(&semV,0,0,1);
initSemaphoreOperation(&semP,0,0,-1);
while(1){
// sleep(1);
P(full,semP);
P(mutex,semP);
int item = consumeItem(shmid);
V(mutex,semV);
V(empty,semV);
printf("\nCONSUMER [%d] consumes = %d\n",id,item);
}
return;
}
//consumer
void* consumer(void* arg)
{
int item;
/* Cast the cookie pointer to the right type. */
struct thread_args* p = (struct thread_args*) arg;
while (1)
{
sem_wait(&fillCount); //if the fillCount is 0, meaning the buffer is empty then wait...
consumeItem(p->size, p->ptr_wh); //if item was found
sem_post(&emptyCount); //up the emptyCount
}
}
void sellItemToShop(Item* item)
{
if ( !item )
{
return;
}
if ( item->beatitude < 0 && itemIsEquipped(item, clientnum) )
{
messagePlayer(clientnum, language[1124], item->getName());
playSound(90, 64);
return;
}
bool deal = true;
if ( stats[clientnum]->PROFICIENCIES[PRO_TRADING] >= CAPSTONE_UNLOCK_LEVEL[PRO_TRADING] )
{
//Skill capstone: Can sell anything to any shop.
}
else
{
switch ( shopkeepertype )
{
case 0: // arms & armor
if ( itemCategory(item) != WEAPON && itemCategory(item) != ARMOR && itemCategory(item) != THROWN )
{
deal = false;
}
break;
case 1: // hats
if ( itemCategory(item) != ARMOR )
{
deal = false;
}
break;
case 2: // jewelry
if ( itemCategory(item) != RING && itemCategory(item) != AMULET && itemCategory(item) != GEM )
{
deal = false;
}
break;
case 3: // bookstore
if ( itemCategory(item) != SPELLBOOK && itemCategory(item) != SCROLL && itemCategory(item) != BOOK )
{
deal = false;
}
break;
case 4: // potion shop
if ( itemCategory(item) != POTION )
{
deal = false;
}
break;
case 5: // magicstaffs
if ( itemCategory(item) != MAGICSTAFF )
{
deal = false;
}
break;
case 6: // food
if ( itemCategory(item) != FOOD )
{
deal = false;
}
break;
case 7: // tools
case 8: // lights
if ( itemCategory(item) != TOOL && itemCategory(item) != THROWN )
{
deal = false;
}
break;
default:
break;
}
}
if ( !deal )
{
shopspeech = language[212 + rand() % 3];
shoptimer = ticks - 1;
playSound(90, 64);
return;
}
if ( items[item->type].value * .75 <= item->sellValue(clientnum) )
{
shopspeech = language[209 + rand() % 3];
}
else
{
shopspeech = language[206 + rand() % 3];
}
shoptimer = ticks - 1;
newItem(item->type, item->status, item->beatitude, 1, item->appearance, item->identified, shopInv);
stats[clientnum]->GOLD += item->sellValue(clientnum);
playSound(89, 64);
int ocount = item->count;
item->count = 1;
messagePlayer(clientnum, language[1125], item->description(), item->sellValue(clientnum));
item->count = ocount;
if ( multiplayer != CLIENT )
{
if ( rand() % 2 )
{
if ( item->sellValue(clientnum) <= 1 )
{
// selling cheap items does not increase trading past basic
if ( stats[clientnum]->PROFICIENCIES[PRO_TRADING] < SKILL_LEVEL_SKILLED )
{
players[clientnum]->entity->increaseSkill(PRO_TRADING);
}
}
else
{
players[clientnum]->entity->increaseSkill(PRO_TRADING);
}
}
}
else
{
strcpy((char*)net_packet->data, "SHPS");
SDLNet_Write32(shopkeeper, &net_packet->data[4]);
// send item that was sold to server
SDLNet_Write32(item->type, &net_packet->data[8]);
SDLNet_Write32(item->status, &net_packet->data[12]);
SDLNet_Write32(item->beatitude, &net_packet->data[16]);
SDLNet_Write32((Uint32)item->appearance, &net_packet->data[20]);
if ( item->identified )
{
net_packet->data[24] = 1;
}
else
{
net_packet->data[24] = 0;
}
net_packet->data[25] = clientnum;
net_packet->address.host = net_server.host;
net_packet->address.port = net_server.port;
net_packet->len = 26;
sendPacketSafe(net_sock, -1, net_packet, 0);
}
consumeItem(item);
sellitem = NULL;
}
void buyItemFromShop(Item* item)
{
if ( !item )
{
return;
}
if ( stats[clientnum]->GOLD >= item->buyValue(clientnum) )
{
if ( items[item->type].value * 1.5 >= item->buyValue(clientnum) )
{
shopspeech = language[200 + rand() % 3];
}
else
{
shopspeech = language[197 + rand() % 3];
}
shoptimer = ticks - 1;
Item* itemToPickup = newItem(item->type, item->status, item->beatitude, 1, item->appearance, item->identified, nullptr);
itemPickup(clientnum, itemToPickup);
stats[clientnum]->GOLD -= item->buyValue(clientnum);
playSound(89, 64);
int ocount = item->count;
item->count = 1;
messagePlayer(clientnum, language[1123], item->description(), item->buyValue(clientnum));
item->count = ocount;
if ( multiplayer != CLIENT )
{
Entity* entity = uidToEntity(shopkeeper);
if (entity)
{
Stat* shopstats = entity->getStats();
shopstats->GOLD += item->buyValue(clientnum);
}
if ( rand() % 2 )
{
if ( item->buyValue(clientnum) <= 1 )
{
// buying cheap items does not increase trading past basic
if ( stats[clientnum]->PROFICIENCIES[PRO_TRADING] < SKILL_LEVEL_SKILLED )
{
players[clientnum]->entity->increaseSkill(PRO_TRADING);
}
}
else
{
players[clientnum]->entity->increaseSkill(PRO_TRADING);
}
}
else if ( item->buyValue(clientnum) >= 150 )
{
if ( item->buyValue(clientnum) >= 300 || rand() % 2 )
{
players[clientnum]->entity->increaseSkill(PRO_TRADING);
}
}
}
else
{
strcpy((char*)net_packet->data, "SHPB");
SDLNet_Write32(shopkeeper, &net_packet->data[4]);
// send item that was bought to server
SDLNet_Write32(item->type, &net_packet->data[8]);
SDLNet_Write32(item->status, &net_packet->data[12]);
SDLNet_Write32(item->beatitude, &net_packet->data[16]);
SDLNet_Write32((Uint32)item->appearance, &net_packet->data[20]);
if ( item->identified )
{
net_packet->data[24] = 1;
}
else
{
net_packet->data[24] = 0;
}
net_packet->data[25] = clientnum;
net_packet->address.host = net_server.host;
net_packet->address.port = net_server.port;
net_packet->len = 26;
sendPacketSafe(net_sock, -1, net_packet, 0);
}
consumeItem(item);
}
else
{
shopspeech = language[203 + rand() % 3];
shoptimer = ticks - 1;
playSound(90, 64);
}
}