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/*
* Copyright (C) 2008 Trinity <http://www.trinitycore.org/>
*
* Thanks to the original authors: MaNGOS <http://www.mangosproject.org/>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "Database/DatabaseEnv.h"
#include "Log.h"
#include "ProgressBar.h"
#include "Policies/SingletonImp.h"
#include "ObjectAccessor.h"
#include "World.h"
#include "Util.h"
#include "SkillDiscovery.h"
#include "SpellMgr.h"
#include <map>
struct SkillDiscoveryEntry
{
uint32 spellId;
float chance;
SkillDiscoveryEntry()
: spellId(0), chance(0) {}
SkillDiscoveryEntry(uint16 _spellId, float _chance)
: spellId(_spellId), chance(_chance) {}
};
typedef std::list<SkillDiscoveryEntry> SkillDiscoveryList;
typedef HM_NAMESPACE::hash_map<int32, SkillDiscoveryList> SkillDiscoveryMap;
static SkillDiscoveryMap SkillDiscoveryStore;
void LoadSkillDiscoveryTable()
{
SkillDiscoveryStore.clear(); // need for reload
uint32 count = 0;
// 0 1 2
QueryResult *result = WorldDatabase.PQuery("SELECT spellId, reqSpell, chance FROM skill_discovery_template");
if (result)
{
barGoLink bar(result->GetRowCount());
std::ostringstream ssNonDiscoverableEntries;
do
{
Field *fields = result->Fetch();
bar.step();
uint32 spellId = fields[0].GetUInt32();
int32 reqSkillOrSpell = fields[1].GetInt32();
float chance = fields[2].GetFloat();
if( chance <= 0 ) // chance
{
ssNonDiscoverableEntries << "spellId = " << spellId << " reqSkillOrSpell = " << reqSkillOrSpell << " chance = " << chance << "\n";
continue;
}
if(reqSkillOrSpell > 0) // spell case
{
SpellEntry const* spellEntry = sSpellStore.LookupEntry(reqSkillOrSpell);
if( !spellEntry )
{
sLog.outErrorDb("Spell (ID: %u) have not existed spell (ID: %i) in `reqSpell` field in `skill_discovery_template` table",spellId,reqSkillOrSpell);
continue;
}
if( spellEntry->Mechanic != MECHANIC_DISCOVERY )
{
sLog.outErrorDb("Spell (ID: %u) not have have MECHANIC_DISCOVERY (28) value in Mechanic field in spell.dbc but listed in `skill_discovery_template` table",spellId);
continue;
}
SkillDiscoveryStore[reqSkillOrSpell].push_back( SkillDiscoveryEntry(spellId, chance) );
}
else if( reqSkillOrSpell == 0 ) // skill case
{
SkillLineAbilityMap::const_iterator lower = spellmgr.GetBeginSkillLineAbilityMap(spellId);
SkillLineAbilityMap::const_iterator upper = spellmgr.GetEndSkillLineAbilityMap(spellId);
if(lower==upper)
{
sLog.outErrorDb("Spell (ID: %u) not listed in `SkillLineAbility.dbc` but listed with `reqSpell`=0 in `skill_discovery_template` table",spellId);
continue;
}
for(SkillLineAbilityMap::const_iterator _spell_idx = lower; _spell_idx != upper; ++_spell_idx)
{
SkillDiscoveryStore[-int32(_spell_idx->second->skillId)].push_back( SkillDiscoveryEntry(spellId, chance) );
}
}
else
{
sLog.outErrorDb("Spell (ID: %u) have negative value in `reqSpell` field in `skill_discovery_template` table",spellId);
continue;
}
++count;
} while (result->NextRow());
delete result;
sLog.outString();
sLog.outString( ">> Loaded %u skill discovery definitions", count );
if(!ssNonDiscoverableEntries.str().empty())
sLog.outErrorDb("Some items can't be successfully discovered: have in chance field value < 0.000001 in `skill_discovery_template` DB table . List:\n%s",ssNonDiscoverableEntries.str().c_str());
}
else
{
sLog.outString();
sLog.outString( ">> Loaded 0 skill discovery definitions. DB table `skill_discovery_template` is empty." );
}
}
uint32 GetSkillDiscoverySpell(uint32 skillId, uint32 spellId, Player* player)
{
// check spell case
SkillDiscoveryMap::iterator tab = SkillDiscoveryStore.find(spellId);
if(tab != SkillDiscoveryStore.end())
{
for(SkillDiscoveryList::iterator item_iter = tab->second.begin(); item_iter != tab->second.end(); ++item_iter)
{
if( roll_chance_f(item_iter->chance * sWorld.getRate(RATE_SKILL_DISCOVERY))
&& !player->HasSpell(item_iter->spellId) )
return item_iter->spellId;
}
return 0;
}
// check skill line case
tab = SkillDiscoveryStore.find(-(int32)skillId);
if(tab != SkillDiscoveryStore.end())
{
for(SkillDiscoveryList::iterator item_iter = tab->second.begin(); item_iter != tab->second.end(); ++item_iter)
{
if( roll_chance_f(item_iter->chance * sWorld.getRate(RATE_SKILL_DISCOVERY))
&& !player->HasSpell(item_iter->spellId) )
return item_iter->spellId;
}
return 0;
}
return 0;
}
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