uint32 GetItemEnchantMod(int32 entry)
{
if (!entry)
return 0;
if (entry == -1)
return 0;
EnchantmentStore::const_iterator tab = RandomItemEnch.find(entry);
if (tab == RandomItemEnch.end())
{
sLog.outErrorDb("Item RandomProperty / RandomSuffix id #%u used in `item_template` but it does not have records in `item_enchantment_template` table.",entry);
return 0;
}
double dRoll = rand_chance();
float fCount = 0;
for (EnchStoreList::const_iterator ench_iter = tab->second.begin(); ench_iter != tab->second.end(); ++ench_iter)
{
fCount += ench_iter->chance;
if (fCount > dRoll) return ench_iter->ench;
}
//we could get here only if sum of all enchantment chances is lower than 100%
dRoll = (irand(0, (int)floor(fCount * 100) + 1)) / 100;
fCount = 0;
for (EnchStoreList::const_iterator ench_iter = tab->second.begin(); ench_iter != tab->second.end(); ++ench_iter)
{
fCount += ench_iter->chance;
if (fCount > dRoll) return ench_iter->ench;
}
return 0;
}
void LoadRandomEnchantmentsTable()
{
RandomItemEnch.clear(); // for reload case
EnchantmentStore::const_iterator tab;
uint32 entry, ench;
float chance;
uint32 count = 0;
QueryResult* result = WorldDatabase.Query("SELECT entry, ench, chance FROM item_enchantment_template");
if (result)
{
BarGoLink bar(result->GetRowCount());
do
{
Field* fields = result->Fetch();
bar.step();
entry = fields[0].GetUInt32();
ench = fields[1].GetUInt32();
chance = fields[2].GetFloat();
if (chance > 0.000001f && chance <= 100.0f)
RandomItemEnch[entry].push_back(EnchStoreItem(ench, chance));
++count;
}
while (result->NextRow());
delete result;
sLog.outString();
sLog.outString(">> Loaded %u Item Enchantment definitions", count);
}
else
{
sLog.outString();
sLog.outErrorDb(">> Loaded 0 Item Enchantment definitions. DB table `item_enchantment_template` is empty.");
}
}
void LoadRandomEnchantmentsTable()
{
uint32 oldMSTime = getMSTime();
RandomItemEnch.clear(); // for reload case
// 0 1 2
QueryResult result = WorldDatabase.Query("SELECT entry, ench, chance FROM item_enchantment_template");
if (result)
{
uint32 count = 0;
do
{
Field* fields = result->Fetch();
uint32 entry = fields[0].GetUInt32();
uint32 ench = fields[1].GetUInt32();
float chance = fields[2].GetFloat();
if (chance > 0.000001f && chance <= 100.0f)
RandomItemEnch[entry].push_back(EnchStoreItem(ench, chance));
++count;
} while (result->NextRow());
sLog->outString(">> Loaded %u Item Enchantment definitions in %u ms", count, GetMSTimeDiffToNow(oldMSTime));
sLog->outString();
}
else
{
sLog->outErrorDb(">> Loaded 0 Item Enchantment definitions. DB table `item_enchantment_template` is empty.");
sLog->outString();
}
}
