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authormaximius <none@none>2009-10-17 15:51:44 -0700
committermaximius <none@none>2009-10-17 15:51:44 -0700
commite585187b248f48b3c6e9247b49fa07c6565d65e5 (patch)
tree637c5b7ddacf41040bef4ea4f75a97da64c6a9bc /src/game/SkillDiscovery.cpp
parent26b5e033ffde3d161382fc9addbfa99738379641 (diff)
*Backed out changeset 3be01fb200a5
--HG-- branch : trunk
Diffstat (limited to 'src/game/SkillDiscovery.cpp')
-rw-r--r--src/game/SkillDiscovery.cpp44
1 files changed, 44 insertions, 0 deletions
diff --git a/src/game/SkillDiscovery.cpp b/src/game/SkillDiscovery.cpp
index d30d25e2355..b1e16897b18 100644
--- a/src/game/SkillDiscovery.cpp
+++ b/src/game/SkillDiscovery.cpp
@@ -17,6 +17,7 @@
* 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"
@@ -27,48 +28,64 @@
#include "SpellMgr.h"
#include "Player.h"
#include <map>
+
struct SkillDiscoveryEntry
{
uint32 spellId; // discavered spell
uint32 reqSkillValue; // skill level limitation
float chance; // chance
+
SkillDiscoveryEntry()
: spellId(0), reqSkillValue(0), chance(0) {}
+
SkillDiscoveryEntry(uint32 _spellId, uint32 req_skill_val, float _chance)
: spellId(_spellId), reqSkillValue(req_skill_val), chance(_chance) {}
};
+
typedef std::list<SkillDiscoveryEntry> SkillDiscoveryList;
typedef UNORDERED_MAP<int32, SkillDiscoveryList> SkillDiscoveryMap;
+
static SkillDiscoveryMap SkillDiscoveryStore;
+
void LoadSkillDiscoveryTable()
{
+
SkillDiscoveryStore.clear(); // need for reload
+
uint32 count = 0;
+
// 0 1 2 3
QueryResult *result = WorldDatabase.Query("SELECT spellId, reqSpell, reqSkillValue, chance FROM skill_discovery_template");
+
if (!result)
{
sLog.outString();
sLog.outString( ">> Loaded 0 skill discovery definitions. DB table `skill_discovery_template` is empty." );
return;
}
+
barGoLink bar(result->GetRowCount());
+
std::ostringstream ssNonDiscoverableEntries;
std::set<uint32> reportedReqSpells;
+
do
{
Field *fields = result->Fetch();
bar.step();
+
uint32 spellId = fields[0].GetUInt32();
int32 reqSkillOrSpell = fields[1].GetInt32();
uint32 reqSkillValue = fields[2].GetInt32();
float chance = fields[3].GetFloat();
+
if (chance <= 0) // chance
{
ssNonDiscoverableEntries << "spellId = " << spellId << " reqSkillOrSpell = " << reqSkillOrSpell
<< " reqSkillValue = " << reqSkillValue << " chance = " << chance << "(chance problem)\n";
continue;
}
+
if (reqSkillOrSpell > 0) // spell case
{
SpellEntry const* reqSpellEntry = sSpellStore.LookupEntry(reqSkillOrSpell);
@@ -81,6 +98,7 @@ void LoadSkillDiscoveryTable()
}
continue;
}
+
// mechanic discovery
if (reqSpellEntry->Mechanic != MECHANIC_DISCOVERY &&
// explicit discovery ability
@@ -95,16 +113,19 @@ void LoadSkillDiscoveryTable()
}
continue;
}
+
SkillDiscoveryStore[reqSkillOrSpell].push_back( SkillDiscoveryEntry(spellId, reqSkillValue, chance) );
}
else if (reqSkillOrSpell == 0) // skill case
{
SkillLineAbilityMapBounds bounds = spellmgr.GetSkillLineAbilityMapBounds(spellId);
+
if (bounds.first==bounds.second)
{
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 = bounds.first; _spell_idx != bounds.second; ++_spell_idx)
SkillDiscoveryStore[-int32(_spell_idx->second->skillId)].push_back( SkillDiscoveryEntry(spellId, reqSkillValue, chance) );
}
@@ -113,26 +134,33 @@ void LoadSkillDiscoveryTable()
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());
+
// report about empty data for explicit discovery spells
for(uint32 spell_id = 1; spell_id < sSpellStore.GetNumRows(); ++spell_id)
{
SpellEntry const* spellEntry = sSpellStore.LookupEntry(spell_id);
if (!spellEntry)
continue;
+
// skip not explicit discovery spells
if (!IsExplicitDiscoverySpell(spellEntry))
continue;
+
if (SkillDiscoveryStore.find(spell_id)==SkillDiscoveryStore.end())
sLog.outErrorDb("Spell (ID: %u) is 100%% chance random discovery ability but not have data in `skill_discovery_template` table",spell_id);
}
}
+
uint32 GetExplicitDiscoverySpell(uint32 spellId, Player* player)
{
// explicit discovery spell chances (always success if case exist)
@@ -140,32 +168,43 @@ uint32 GetExplicitDiscoverySpell(uint32 spellId, Player* player)
SkillDiscoveryMap::const_iterator tab = SkillDiscoveryStore.find(spellId);
if (tab == SkillDiscoveryStore.end())
return 0;
+
SkillLineAbilityMapBounds bounds = spellmgr.GetSkillLineAbilityMapBounds(spellId);
uint32 skillvalue = bounds.first != bounds.second ? player->GetSkillValue(bounds.first->second->skillId) : 0;
+
float full_chance = 0;
for(SkillDiscoveryList::const_iterator item_iter = tab->second.begin(); item_iter != tab->second.end(); ++item_iter)
if (item_iter->reqSkillValue <= skillvalue)
if (!player->HasSpell(item_iter->spellId))
full_chance += item_iter->chance;
+
float rate = full_chance / 100.0f;
float roll = rand_chance() * rate; // roll now in range 0..full_chance
+
for(SkillDiscoveryList::const_iterator item_iter = tab->second.begin(); item_iter != tab->second.end(); ++item_iter)
{
if (item_iter->reqSkillValue > skillvalue)
continue;
+
if (player->HasSpell(item_iter->spellId))
continue;
+
if (item_iter->chance > roll)
return item_iter->spellId;
+
roll -= item_iter->chance;
}
+
return 0;
}
+
uint32 GetSkillDiscoverySpell(uint32 skillId, uint32 spellId, Player* player)
{
uint32 skillvalue = skillId ? player->GetSkillValue(skillId) : 0;
+
// check spell case
SkillDiscoveryMap::const_iterator tab = SkillDiscoveryStore.find(spellId);
+
if (tab != SkillDiscoveryStore.end())
{
for(SkillDiscoveryList::const_iterator item_iter = tab->second.begin(); item_iter != tab->second.end(); ++item_iter)
@@ -175,10 +214,13 @@ uint32 GetSkillDiscoverySpell(uint32 skillId, uint32 spellId, Player* player)
!player->HasSpell(item_iter->spellId))
return item_iter->spellId;
}
+
return 0;
}
+
if (!skillId)
return 0;
+
// check skill line case
tab = SkillDiscoveryStore.find(-(int32)skillId);
if (tab != SkillDiscoveryStore.end())
@@ -190,8 +232,10 @@ uint32 GetSkillDiscoverySpell(uint32 skillId, uint32 spellId, Player* player)
!player->HasSpell(item_iter->spellId))
return item_iter->spellId;
}
+
return 0;
}
+
return 0;
}