1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
|
/*
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*
* Copyright (C) 2008-2010 Trinity <http://www.trinitycore.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 "World.h"
#include "Util.h"
#include "SkillDiscovery.h"
#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_AutoPtr 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);
if (!reqSpellEntry)
{
if (reportedReqSpells.find(reqSkillOrSpell) == reportedReqSpells.end())
{
sLog.outErrorDb("Spell (ID: %u) have not existed spell (ID: %i) in `reqSpell` field in `skill_discovery_template` table",spellId,reqSkillOrSpell);
reportedReqSpells.insert(reqSkillOrSpell);
}
continue;
}
// mechanic discovery
if (reqSpellEntry->Mechanic != MECHANIC_DISCOVERY &&
// explicit discovery ability
!IsExplicitDiscoverySpell(reqSpellEntry))
{
if (reportedReqSpells.find(reqSkillOrSpell) == reportedReqSpells.end())
{
sLog.outErrorDb("Spell (ID: %u) not have MECHANIC_DISCOVERY (28) value in Mechanic field in spell.dbc"
" and not 100%% chance random discovery ability but listed for spellId %u (and maybe more) in `skill_discovery_template` table",
reqSkillOrSpell,spellId);
reportedReqSpells.insert(reqSkillOrSpell);
}
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) );
}
else
{
sLog.outErrorDb("Spell (ID: %u) have negative value in `reqSpell` field in `skill_discovery_template` table",spellId);
continue;
}
++count;
} while (result->NextRow());
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)
// in this case we have both skill and spell
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)
{
if (roll_chance_f(item_iter->chance * sWorld.getRate(RATE_SKILL_DISCOVERY)) &&
item_iter->reqSkillValue <= skillvalue &&
!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())
{
for (SkillDiscoveryList::const_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)) &&
item_iter->reqSkillValue <= skillvalue &&
!player->HasSpell(item_iter->spellId))
return item_iter->spellId;
}
return 0;
}
return 0;
}
|
