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eluna-scripts-ornfelt/lua/WowEmulationScriptPack/patch/Magic-Find-master/MagicFind.patch
Jonas Ornfelt c23003c4df update code
2024-09-23 07:59:23 +02:00

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From 303d9ef50be3c2fb8b0d35a968ed06521c2da4f1 Mon Sep 17 00:00:00 2001
From: trickerer <onlysuffering@gmail.com>
Date: Sun, 24 Jan 2021 16:38:16 +0700
Subject: [PATCH] MagicFind
---
src/server/game/Loot/Loot.cpp | 7 +-
src/server/game/Loot/LootMgr.cpp | 117 +++++--
src/server/game/Loot/LootMgr.h | 4 +-
src/server/game/Loot/MagicFind.cpp | 505 +++++++++++++++++++++++++++
src/server/game/Loot/MagicFind.h | 54 +++
src/server/game/World/World.cpp | 5 +
src/server/worldserver/worldserver.conf.dist | 48 +++
7 files changed, 717 insertions(+), 23 deletions(-)
create mode 100644 src/server/game/Loot/MagicFind.cpp
create mode 100644 src/server/game/Loot/MagicFind.h
diff --git a/src/server/game/Loot/Loot.cpp b/src/server/game/Loot/Loot.cpp
index 3cd0762..efd6203 100644
--- a/src/server/game/Loot/Loot.cpp
+++ b/src/server/game/Loot/Loot.cpp
@@ -27,6 +27,8 @@
#include "Random.h"
#include "World.h"
+#include "MagicFind.h"
+
//
// --------- LootItem ---------
//
@@ -205,7 +207,10 @@ bool Loot::FillLoot(uint32 lootId, LootStore const& store, Player* lootOwner, bo
items.reserve(MAX_NR_LOOT_ITEMS);
quest_items.reserve(MAX_NR_QUEST_ITEMS);
- tab->Process(*this, store.IsRatesAllowed(), lootMode); // Processing is done there, callback via Loot::AddItem()
+ float magic_find_coefs[MAX_ITEM_QUALITY];
+ MagicFind::CalculateMFCoefficients(lootOwner, magic_find_coefs);
+
+ tab->Process(*this, store.IsRatesAllowed(), lootMode, magic_find_coefs); // Processing is done there, callback via Loot::AddItem()
// Setting access rights for group loot case
Group* group = lootOwner->GetGroup();
diff --git a/src/server/game/Loot/LootMgr.cpp b/src/server/game/Loot/LootMgr.cpp
index 8773076..052ecce 100644
--- a/src/server/game/Loot/LootMgr.cpp
+++ b/src/server/game/Loot/LootMgr.cpp
@@ -30,6 +30,8 @@
#include "Util.h"
#include "World.h"
+#include "MagicFind.h"
+
static Rates const qualityToRate[MAX_ITEM_QUALITY] =
{
RATE_DROP_ITEM_POOR, // ITEM_QUALITY_POOR
@@ -88,7 +90,7 @@ class LootTemplate::LootGroup // A set of loot def
bool HasQuestDrop() const; // True if group includes at least 1 quest drop entry
bool HasQuestDropForPlayer(Player const* player) const;
// The same for active quests of the player
- void Process(Loot& loot, uint16 lootMode) const; // Rolls an item from the group (if any) and adds the item to the loot
+ void Process(Loot& loot, uint16 lootMode, float* mf_coefs) const; // Rolls an item from the group (if any) and adds the item to the loot
float RawTotalChance() const; // Overall chance for the group (without equal chanced items)
float TotalChance() const; // Overall chance for the group
@@ -101,7 +103,7 @@ class LootTemplate::LootGroup // A set of loot def
LootStoreItemList ExplicitlyChanced; // Entries with chances defined in DB
LootStoreItemList EqualChanced; // Zero chances - every entry takes the same chance
- LootStoreItem const* Roll(Loot& loot, uint16 lootMode) const; // Rolls an item from the group, returns NULL if all miss their chances
+ LootStoreItem const* Roll(Loot& loot, uint16 lootMode, float* mf_coefs) const; // Rolls an item from the group, returns NULL if all miss their chances
// This class must never be copied - storing pointers
LootGroup(LootGroup const&) = delete;
@@ -278,8 +280,9 @@ void LootStore::ReportNonExistingId(uint32 lootId, char const* ownerType, uint32
// Checks if the entry (quest, non-quest, reference) takes it's chance (at loot generation)
// RATE_DROP_ITEMS is no longer used for all types of entries
-bool LootStoreItem::Roll(bool rate) const
+bool LootStoreItem::Roll(bool rate, float* mf_coefs) const
{
+ //TC_LOG_ERROR("loot", "LootStoreItem::Roll: %u rate %i, chance %.3f", itemid, rate, chance);
if (chance >= 100.0f)
return true;
@@ -289,8 +292,10 @@ bool LootStoreItem::Roll(bool rate) const
ItemTemplate const* pProto = sObjectMgr->GetItemTemplate(itemid);
float qualityModifier = pProto && rate ? sWorld->getRate(qualityToRate[pProto->Quality]) : 1.0f;
+ float mf_coef = pProto && rate ? mf_coefs[pProto->Quality] : 1.0f;
- return roll_chance_f(chance*qualityModifier);
+ //TC_LOG_ERROR("loot", "qualityModifier %.3f, mf_coef %.3f", qualityModifier, mf_coef);
+ return roll_chance_f(chance*qualityModifier*mf_coef);
}
// Checks correctness of values
@@ -372,31 +377,101 @@ void LootTemplate::LootGroup::AddEntry(LootStoreItem* item)
}
// Rolls an item from the group, returns NULL if all miss their chances
-LootStoreItem const* LootTemplate::LootGroup::Roll(Loot& loot, uint16 lootMode) const
+LootStoreItem const* LootTemplate::LootGroup::Roll(Loot& loot, uint16 lootMode, float* mf_coefs) const
{
+ typedef std::vector<std::pair<LootStoreItem*, float> > WeightedList;
+
LootStoreItemList possibleLoot = ExplicitlyChanced;
possibleLoot.remove_if(LootGroupInvalidSelector(loot, lootMode));
if (!possibleLoot.empty()) // First explicitly chanced entries are checked
{
+ WeightedList weighted;
+ for (LootStoreItemList::const_iterator cit = possibleLoot.begin(); cit != possibleLoot.end(); ++cit)
+ {
+ //TC_LOG_ERROR("loot", "LootGroup::Roll exch item %u, chance %.3f, ref %i", (*cit)->itemid, (*cit)->chance, (*cit)->mincountOrRef);
+ if ((*cit)->chance >= 100.0f)
+ return (*cit);
+
+ ItemTemplate const* pProto = sObjectMgr->GetItemTemplate((*cit)->itemid);
+ float qualityModifier = pProto ? sWorld->getRate(qualityToRate[pProto->Quality]) : 1.0f;
+ float mf_coef = pProto ? mf_coefs[pProto->Quality] : 1.0f;
+ //TC_LOG_ERROR("loot", "LootGroup::Roll exch item %u, chance = %.3f, qualityModifier %.3f, mf_coef %.3f",
+ // (*cit)->itemid, (*cit)->chance, qualityModifier, mf_coef);
+ weighted.push_back(std::pair<LootStoreItem*, float>(*cit, (*cit)->chance*qualityModifier*mf_coef));
+ }
+
+ //Reweight to reach 100% total
+ float total_chance = 0.f;
+ for (WeightedList::const_iterator cit = weighted.begin(); cit != weighted.end(); ++cit)
+ total_chance += cit->second;
+
+ if (total_chance > 100.f)
+ {
+ float chance_factor = 100.f / total_chance;
+ for (WeightedList::iterator it = weighted.begin(); it != weighted.end(); ++it)
+ it->second *= chance_factor;
+ }
+
+ //Rolling
float roll = (float)rand_chance();
- for (LootStoreItemList::const_iterator itr = possibleLoot.begin(); itr != possibleLoot.end(); ++itr) // check each explicitly chanced entry in the template and modify its chance based on quality.
+ for (WeightedList::const_iterator cit = weighted.begin(); cit != weighted.end(); ++cit)
{
- LootStoreItem* item = *itr;
- if (item->chance >= 100.0f)
- return item;
+ //TC_LOG_ERROR("loot", "LootGroup::Roll exch weighted item %u, chance %.3f", cit->first->itemid, cit->second);
+ if (cit->second >= 100.0f)
+ return cit->first;
- roll -= item->chance;
+ roll -= cit->second;
if (roll < 0)
- return item;
+ return cit->first;
}
}
possibleLoot = EqualChanced;
possibleLoot.remove_if(LootGroupInvalidSelector(loot, lootMode));
- if (!possibleLoot.empty()) // If nothing selected yet - an item is taken from equal-chanced part
- return Trinity::Containers::SelectRandomContainerElement(possibleLoot);
+
+ if (!possibleLoot.empty())
+ {
+ //return Trinity::Containers::SelectRandomContainerElement(possibleLoot);
+
+ float avg_chance = 100.f / possibleLoot.size();
+ WeightedList weighted;
+ for (LootStoreItemList::const_iterator cit = possibleLoot.begin(); cit != possibleLoot.end(); ++cit)
+ {
+ ItemTemplate const* pProto = sObjectMgr->GetItemTemplate((*cit)->itemid);
+ float qualityModifier = pProto && MagicFind::GetBoolConfig(MF_QUALITY_AFFECTS_EQ_CHANCED) ? sWorld->getRate(qualityToRate[pProto->Quality]) : 1.0f;
+ float mf_coef = pProto ? mf_coefs[pProto->Quality] : 1.0f;
+ //TC_LOG_ERROR("loot", "LootGroup::Roll eqchanced item %u, avg = %.3f, qualityModifier %.3f, mf_coef %.3f",
+ // (*cit)->itemid, avg_chance, qualityModifier, mf_coef);
+ weighted.push_back(std::pair<LootStoreItem*, float>(*cit, avg_chance*qualityModifier*mf_coef));
+ }
+
+ //Reweight to reach 100% total
+ float total_chance = 0.f;
+ for (WeightedList::const_iterator cit = weighted.begin(); cit != weighted.end(); ++cit)
+ total_chance += cit->second;
+
+ float chance_factor = 100.f / total_chance;
+ for (WeightedList::iterator it = weighted.begin(); it != weighted.end(); ++it)
+ it->second *= chance_factor;
+
+ //Rolling
+ float roll = (float)rand_chance();
+
+ for (WeightedList::const_iterator cit = weighted.begin(); cit != weighted.end(); ++cit)
+ {
+ //TC_LOG_ERROR("loot", "LootGroup::Roll weighted item %u, chance %.3f", cit->first->itemid, cit->second);
+ if (cit->second >= 100.0f)
+ return cit->first;
+
+ roll -= cit->second;
+ if (roll < 0)
+ return cit->first;
+ }
+
+ return weighted.back().first;
+ }
return nullptr; // Empty drop from the group
}
@@ -439,9 +514,9 @@ void LootTemplate::LootGroup::CopyConditions(ConditionContainer /*conditions*/)
}
// Rolls an item from the group (if any takes its chance) and adds the item to the loot
-void LootTemplate::LootGroup::Process(Loot& loot, uint16 lootMode) const
+void LootTemplate::LootGroup::Process(Loot& loot, uint16 lootMode, float* mf_coefs) const
{
- if (LootStoreItem const* item = Roll(loot, lootMode))
+ if (LootStoreItem const* item = Roll(loot, lootMode, mf_coefs))
loot.AddItem(*item);
}
@@ -559,8 +634,9 @@ void LootTemplate::CopyConditions(LootItem* li) const
}
// Rolls for every item in the template and adds the rolled items the the loot
-void LootTemplate::Process(Loot& loot, bool rate, uint16 lootMode, uint8 groupId) const
+void LootTemplate::Process(Loot& loot, bool rate, uint16 lootMode, float* mf_coefs, uint8 groupId) const
{
+ //TC_LOG_ERROR("loot", "LootTemplate::Process rate %i, group %u", rate, uint32(groupId));
if (groupId) // Group reference uses own processing of the group
{
if (groupId > Groups.size())
@@ -569,7 +645,7 @@ void LootTemplate::Process(Loot& loot, bool rate, uint16 lootMode, uint8 groupId
if (!Groups[groupId - 1])
return;
- Groups[groupId - 1]->Process(loot, lootMode);
+ Groups[groupId - 1]->Process(loot, lootMode, mf_coefs);
return;
}
@@ -580,7 +656,7 @@ void LootTemplate::Process(Loot& loot, bool rate, uint16 lootMode, uint8 groupId
if (!(item->lootmode & lootMode)) // Do not add if mode mismatch
continue;
- if (!item->Roll(rate))
+ if (!item->Roll(rate, mf_coefs))
continue; // Bad luck for the entry
if (item->reference > 0) // References processing
@@ -589,9 +665,10 @@ void LootTemplate::Process(Loot& loot, bool rate, uint16 lootMode, uint8 groupId
if (!Referenced)
continue; // Error message already printed at loading stage
+ //TC_LOG_ERROR("loot", "Ref process: rate %i, itemchance %.3f", rate, item->chance);
uint32 maxcount = uint32(float(item->maxcount) * sWorld->getRate(RATE_DROP_ITEM_REFERENCED_AMOUNT));
for (uint32 loop = 0; loop < maxcount; ++loop) // Ref multiplicator
- Referenced->Process(loot, rate, lootMode, item->groupid);
+ Referenced->Process(loot, rate, lootMode, mf_coefs, item->groupid);
}
else // Plain entries (not a reference, not grouped)
loot.AddItem(*item); // Chance is already checked, just add
@@ -600,7 +677,7 @@ void LootTemplate::Process(Loot& loot, bool rate, uint16 lootMode, uint8 groupId
// Now processing groups
for (LootGroups::const_iterator i = Groups.begin(); i != Groups.end(); ++i)
if (LootGroup* group = *i)
- group->Process(loot, lootMode);
+ group->Process(loot, lootMode, mf_coefs);
}
// True if template includes at least 1 quest drop entry
diff --git a/src/server/game/Loot/LootMgr.h b/src/server/game/Loot/LootMgr.h
index d3d2b6a..c16f42d 100644
--- a/src/server/game/Loot/LootMgr.h
+++ b/src/server/game/Loot/LootMgr.h
@@ -50,7 +50,7 @@ struct TC_GAME_API LootStoreItem
needs_quest(_needs_quest), groupid(_groupid), mincount(_mincount), maxcount(_maxcount)
{ }
- bool Roll(bool rate) const; // Checks if the entry takes it's chance (at loot generation)
+ bool Roll(bool rate, float* mf_coefs) const; // Checks if the entry takes it's chance (at loot generation)
bool IsValid(LootStore const& store, uint32 entry) const;
// Checks correctness of values
};
@@ -108,7 +108,7 @@ class TC_GAME_API LootTemplate
// Adds an entry to the group (at loading stage)
void AddEntry(LootStoreItem* item);
// Rolls for every item in the template and adds the rolled items the the loot
- void Process(Loot& loot, bool rate, uint16 lootMode, uint8 groupId = 0) const;
+ void Process(Loot& loot, bool rate, uint16 lootMode, float* mf_coefs, uint8 groupId = 0) const;
void CopyConditions(ConditionContainer const& conditions);
void CopyConditions(LootItem* li) const;
diff --git a/src/server/game/Loot/MagicFind.cpp b/src/server/game/Loot/MagicFind.cpp
new file mode 100644
index 0000000..b6a51d9
--- /dev/null
+++ b/src/server/game/Loot/MagicFind.cpp
@@ -0,0 +1,505 @@
+/*
+ * Author:
+ * 2020-2021 Trickerer <https://github.com/trickerer>
+ *
+ * Magic Find
+ * Gives better chance at finding quality loot in a non-linear progression
+ */
+
+#include "MagicFind.h"
+#include "Chat.h"
+#include "Config.h"
+#include "Bag.h"
+#include "Language.h"
+#include "MapManager.h"
+#include "Player.h"
+#include "ScriptMgr.h"
+
+//compatibility macros
+#if !defined(_MSC_VER) || _MSC_VER >= 1600
+#define SCRIPT_VERSION_LAST
+#endif
+
+#ifdef SCRIPT_VERSION_LAST
+# define NOTHING nullptr
+# define EMPTYGUID ObjectGuid::Empty
+# define GetGUIDLow GetGUID().GetCounter
+# define GUID_LOPART(guid) guid.GetCounter()
+# define UNORDERED_MAP std::unordered_map
+using namespace Trinity::ChatCommands;
+#else
+# define NOTHING NULL
+# define ObjectGuid uint64
+# define EMPTYGUID 0
+#endif //SCRIPT_VERSION_LAST
+
+void AddSC_script_mf_commands();
+
+typedef UNORDERED_MAP<uint32, uint32> MFMapType;
+MFMapType MFMap;
+
+static bool __inited = false;
+
+//config
+static bool _demoMode;
+static bool _qualityAffectsEquallyChanced;
+static float _factorUncommon;
+static float _factorRare;
+static float _factorEpic;
+static float _factorLegendary;
+static std::string _charmTokens;
+std::set<uint32> CharmTokens;
+
+void MagicFind::LoadConfig()
+{
+ _demoMode = sConfigMgr->GetBoolDefault ("MF.Demonstration", false);
+ _qualityAffectsEquallyChanced = sConfigMgr->GetBoolDefault ("MF.QualityAffectsEquallyChanced", true);
+ _factorUncommon = sConfigMgr->GetFloatDefault("MF.Factor.Uncommon", 120.0f);
+ _factorRare = sConfigMgr->GetFloatDefault("MF.Factor.Rare", 250.0f);
+ _factorEpic = sConfigMgr->GetFloatDefault("MF.Factor.Epic", 350.0f);
+ _factorLegendary = sConfigMgr->GetFloatDefault("MF.Factor.Legendary", 999.0f);
+ _charmTokens = sConfigMgr->GetStringDefault("MF.CharmItems", "");
+
+ ExtractTokens();
+}
+
+void MagicFind::ExtractTokens()
+{
+ //for reload
+ CharmTokens.clear();
+
+ std::string charmItemsString = MagicFind::GetStringConfig(MF_CHARM_TOKENS);
+
+#ifdef SCRIPT_VERSION_LAST
+ std::vector<std::string_view> tok = Trinity::Tokenize(charmItemsString, ',', false);
+ if (tok.size() > 0)
+ {
+ for (std::vector<std::string_view>::size_type i = 0; i != tok.size(); ++i)
+ {
+ try
+ {
+ CharmTokens.insert(*(Trinity::StringTo<uint32>(tok[i])));
+ }
+ catch (const std::string&)
+ {
+ TC_LOG_ERROR("loot", "invalid int token '%s' for charm item ID!", std::string(tok[i]).c_str());
+ }
+ }
+ }
+#else
+ Tokenizer tok = Tokenizer(charmItemsString, ',');
+ if (tok.size() > 0)
+ {
+ for (Tokenizer::const_iterator cit = tok.begin(); cit != tok.end(); ++cit)
+ {
+ try
+ {
+ CharmTokens.insert((uint32)atoi(*cit));
+ }
+ catch (const std::string&)
+ {
+ TC_LOG_ERROR("loot", "invalid int token '%s' for charm item ID!", *cit);
+ }
+ }
+ }
+#endif
+
+ //for (std::set<uint32>::const_iterator itr = CharmTokens.begin(); itr != CharmTokens.end(); ++itr)
+ // TC_LOG_ERROR("loot", "Token: %u", *itr);
+}
+
+bool MagicFind::IsCharmToken(uint32 itemId)
+{
+ return CharmTokens.find(itemId) != CharmTokens.end();
+}
+
+void MagicFind::InitMagicFindSystem()
+{
+ //cannot reload
+ if (__inited)
+ return;
+
+ __inited = true;
+
+ LoadConfig();
+
+ uint32 botoldMSTime = getMSTime();
+ TC_LOG_INFO("server.loading", "Loading Magic Find...");
+
+#ifdef SCRIPT_VERSION_LAST
+ std::string const& oldcontext = sScriptMgr->GetCurrentScriptContext();
+ sScriptMgr->SetScriptContext("__magic_find__");
+ AddSC_script_mf_commands();
+ sScriptMgr->SetScriptContext(oldcontext);
+#else
+ AddSC_script_mf_commands();
+#endif
+
+ TC_LOG_INFO("server.loading", "Commands loaded");
+
+ //CharacterDatabase.DirectExecute("CREATE TABLE IF NOT EXISTS `character_magic_find` ("
+ // "`guid` int(10) unsigned NOT NULL DEFAULT '0' COMMENT 'player guid',"
+ // "`mf` int(10) unsigned NOT NULL DEFAULT '0',"
+ // "PRIMARY KEY (`guid`)"
+ // ") ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='Magic Find System';");
+
+ QueryResult res = CharacterDatabase.Query("SELECT `guid`, `mf` FROM `character_magic_find`");
+ if (!res)
+ {
+ TC_LOG_INFO("server.loading", ">> Loaded 0 magic find values, DB table `character_magic_find` is empty!");
+ return;
+ }
+
+ Field* fields = res->Fetch();
+ do
+ {
+ uint32 guidlow = fields[0].GetUInt32();
+ uint32 mf = fields[1].GetUInt32();
+
+ MFMap[guidlow] = mf;
+ } while (res->NextRow());
+
+ uint32 count = uint32(MFMap.size());
+ TC_LOG_INFO("server.loading", ">> Loaded %u magic find values in %u ms", count, GetMSTimeDiffToNow(botoldMSTime));
+}
+
+bool MagicFind::GetBoolConfig(MFBoolConfs c)
+{
+ switch (c)
+ {
+ case MF_IS_DEMO_MODE:
+ return _demoMode;
+ case MF_QUALITY_AFFECTS_EQ_CHANCED:
+ return _qualityAffectsEquallyChanced;
+ default:
+ TC_LOG_ERROR("loot", "Unknown MF bool config %u", uint32(c));
+ return false;
+ }
+}
+
+float MagicFind::GetFloatConfig(MFFloatConfs c)
+{
+ switch (c)
+ {
+ case MF_FACTOR_UNCOMMON:
+ return _factorUncommon;
+ case MF_FACTOR_RARE:
+ return _factorRare;
+ case MF_FACTOR_EPIC:
+ return _factorEpic;
+ case MF_FACTOR_LEGENDARY:
+ return _factorLegendary;
+ default:
+ TC_LOG_ERROR("loot", "Unknown MF float config %u", uint32(c));
+ return 0.f;
+ }
+}
+
+std::string MagicFind::GetStringConfig(MFStringConfs c)
+{
+ switch (c)
+ {
+ case MF_CHARM_TOKENS:
+ return _charmTokens;
+ default:
+ TC_LOG_ERROR("loot", "Unknown MF string config %u", uint32(c));
+ return "";
+ }
+}
+
+void MagicFind::SetMF(uint32 lowguid, uint32 newMF)
+{
+ MFMap[lowguid] = newMF;
+ CharacterDatabase.PExecute("REPLACE INTO `character_magic_find` (`guid`,`mf`) VALUES (%u,%u)", lowguid, newMF);
+}
+
+void MagicFind::SetMF(Player const* player, uint32 newMF)
+{
+ SetMF(player->GetGUIDLow(), newMF);
+}
+
+uint32 MagicFind::GetBaseMF(uint32 lowguid)
+{
+ return (MFMap.count(lowguid) != 0) ? MFMap[lowguid] : 0;
+}
+
+uint32 MagicFind::GetBaseMF(Player const* player)
+{
+ return GetBaseMF(player->GetGUIDLow());
+}
+
+uint32 MagicFind::GetItemsMF(Player const* player)
+{
+ uint32 mf = 0;
+
+ if (!CharmTokens.empty())
+ {
+ for (uint8 i = INVENTORY_SLOT_ITEM_START; i < INVENTORY_SLOT_ITEM_END; ++i)
+ {
+ if (Item const* item = player->GetItemByPos(INVENTORY_SLOT_BAG_0, i))
+ {
+ if (IsCharmToken(item->GetEntry()))
+ mf += item->GetTemplate()->MaxDurability * item->GetCount();
+ }
+ }
+
+ for (uint8 i = INVENTORY_SLOT_BAG_START; i < INVENTORY_SLOT_BAG_END; ++i)
+ {
+ if (Bag const* bag = player->GetBagByPos(i))
+ {
+ for (uint8 j = 0; j < bag->GetBagSize(); ++j)
+ {
+ if (Item const* item = player->GetItemByPos(i, j))
+ {
+ if (IsCharmToken(item->GetEntry()))
+ mf += item->GetTemplate()->MaxDurability * item->GetCount();
+ }
+ }
+ }
+ }
+ }
+
+ return mf;
+}
+
+uint32 MagicFind::GetMF(Player const* player)
+{
+ return GetBaseMF(player) + GetItemsMF(player);
+}
+
+void MagicFind::CalculateMFCoefficients(Player const* player, float* coefs)
+{
+ uint32 mf = GetMF(player);
+
+ for (uint8 i = 0; i != MAX_ITEM_QUALITY; ++i)
+ {
+ float mf_coef = 1.0f;
+
+ if (mf > 0)
+ {
+ float mf_f;
+ switch (i)
+ {
+ case ITEM_QUALITY_UNCOMMON: mf_f = GetFloatConfig(MF_FACTOR_UNCOMMON); break;
+ case ITEM_QUALITY_RARE: mf_f = GetFloatConfig(MF_FACTOR_RARE); break;
+ case ITEM_QUALITY_EPIC: mf_f = GetFloatConfig(MF_FACTOR_EPIC); break;
+ case ITEM_QUALITY_LEGENDARY:mf_f = GetFloatConfig(MF_FACTOR_LEGENDARY); break;
+ default: mf_f = 0.f; break;
+ }
+ mf_coef += (mf_f <= 0.f) ? 0.f : (0.01f * ((mf <= 10) ? mf :
+ (mf * mf_f) / (mf * (GetBoolConfig(MF_IS_DEMO_MODE) ? 0.f : 0.5f) + mf_f)));
+ }
+
+ coefs[i] = mf_coef;
+ }
+}
+
+#define GM_COMMANDS rbac::RBACPermissions(197)
+#define PLAYER_COMMANDS rbac::RBACPermissions(199)
+
+class script_mf_commands : public CommandScript
+{
+public:
+ script_mf_commands() : CommandScript("script_mf_commands") { }
+
+#ifdef SCRIPT_VERSION_LAST
+ ChatCommandTable GetCommands() const override
+ {
+ static ChatCommandTable mfCommandTable =
+ {
+ { "setbase", HandleMFSetBaseCommand, GM_COMMANDS, Console::Yes },
+ { "reloadcfg", HandleMFReloadCfgCommand, GM_COMMANDS, Console::Yes },
+ //{ "awardtoken", HandleMFAwardTokenCommand, GM_COMMANDS, Console::Yes },
+ { "", HandleMFCommand, PLAYER_COMMANDS, Console::No },
+ };
+
+ static ChatCommandTable commandTable =
+ {
+ { "mf", mfCommandTable },
+ };
+ return commandTable;
+ }
+#else
+ ChatCommand* GetCommands() const override
+ {
+ static ChatCommand mfCommandTable[] =
+ {
+ { "setbase", GM_COMMANDS, true, &HandleMFSetBaseCommand, "", NULL },
+ { "reloadcfg", GM_COMMANDS, true, &HandleMFReloadCfgCommand, "", NULL },
+ //{ "awardtoken", GM_COMMANDS, true, &HandleMFAwardTokenCommand, "", NULL },
+ { "", PLAYER_COMMANDS, false, &HandleMFCommand, "", NULL },
+ { NULL, 0, false, NULL, "", NULL }
+ };
+
+ static ChatCommand commandTable[] =
+ {
+ { "mf", PLAYER_COMMANDS, true, NULL, "", mfCommandTable },
+ { NULL, 0, false, NULL, "", NULL }
+ };
+ return commandTable;
+ }
+#endif
+
+ static bool HandleMFReloadCfgCommand(ChatHandler* handler, const char* /*args*/)
+ {
+ TC_LOG_INFO("misc", "Re-Loading config settings...");
+ sWorld->LoadConfigSettings(true);
+ sMapMgr->InitializeVisibilityDistanceInfo();
+ handler->SendGlobalGMSysMessage("World config settings reloaded.");
+
+ TC_LOG_INFO("misc", "Re-Loading Magic Find settings...");
+ MagicFind::ReloadConfig();
+ handler->SendGlobalGMSysMessage("Magic Find settings reloaded.");
+ return true;
+ }
+
+ static bool HandleMFSetBaseCommand(ChatHandler* handler, const char* args)
+ {
+ char* nameStr = strtok((char*)args, " ");
+ char* mfStr = strtok(NOTHING, " ");
+
+ if (!nameStr || !mfStr)
+ {
+ handler->SendSysMessage("Syntax:\n.mf setbase #player_name #mf\nSets base Magic Find for character named #player_name");
+ handler->SetSentErrorMessage(true);
+ return false;
+ }
+
+ Player* target;
+ ObjectGuid target_guid;
+ std::string target_name;
+ if (!handler->extractPlayerTarget(nameStr, &target, &target_guid, &target_name))
+ {
+ handler->SetSentErrorMessage(true);
+ return false;
+ }
+
+ if (target_name.empty())
+ {
+ handler->SendSysMessage(LANG_PLAYER_NOT_FOUND);
+ handler->SetSentErrorMessage(true);
+ return false;
+ }
+
+ uint32 newMF = uint32(std::max(0, atoi(mfStr)));
+ uint32 oldMF = MagicFind::GetBaseMF(GUID_LOPART(target_guid));
+
+ MagicFind::SetMF(GUID_LOPART(target_guid), newMF);
+ handler->PSendSysMessage("%s base MF was set to %u (was %u).", target_name.c_str(), newMF, oldMF);
+ return true;
+ }
+
+ /*static bool HandleMFAwardTokenCommand(ChatHandler* handler, const char* args)
+ {
+ char* nameStr = strtok((char*)args, " ");
+ char* tokenStr = strtok(NOTHING, " ");
+ char* countStr = strtok(NOTHING, " ");
+
+ Player* target;
+ ObjectGuid target_guid;
+ std::string target_name;
+ if (!nameStr || !tokenStr || !handler->extractPlayerTarget(nameStr, &target, &target_guid, &target_name))
+ {
+ handler->SendSysMessage("Syntax:\n.mf awardtoken #player_name #item_id [#count]\nGives character named #player_name MF charm items");
+ handler->SetSentErrorMessage(true);
+ return false;
+ }
+
+ if (!target)
+ {
+ handler->PSendSysMessage(LANG_PLAYER_NOT_EXIST_OR_OFFLINE, nameStr);
+ handler->SetSentErrorMessage(true);
+ return false;
+ }
+
+ if (!countStr)
+ countStr = "1";
+
+ uint32 tokenId = uint32(atoi(tokenStr));
+ uint32 count = uint32(atoi(countStr));
+ if (!tokenId || !count)
+ return false;
+
+ if (!MagicFind::IsCharmToken(tokenId))
+ {
+ handler->SendSysMessage(LANG_ITEM_NOT_IN_LIST);
+ handler->SetSentErrorMessage(true);
+ return false;
+ }
+
+ uint32 noSpaceForCount = 0;
+ ItemPosCountVec dest;
+ InventoryResult msg = target->CanStoreNewItem(NULL_BAG, NULL_SLOT, dest, tokenId, count, &noSpaceForCount);
+ if (msg != EQUIP_ERR_OK)
+ count -= noSpaceForCount;
+ if (count == 0 || dest.empty())
+ {
+ handler->PSendSysMessage("%s has not enough space in bags.", target_name.c_str());
+ handler->SetSentErrorMessage(true);
+ return false;
+ }
+
+ Item* item = target->StoreNewItem(dest, tokenId, true, Item::GenerateItemRandomPropertyId(tokenId));
+ if (!item)
+ {
+ handler->SendSysMessage("Could not store items for some reason.");
+ handler->SetSentErrorMessage(true);
+ return false;
+ }
+
+ target->SendNewItem(item, count, true, false);
+ handler->PSendSysMessage("%s was awarded %u MF tokens (%u).", target_name.c_str(), count + noSpaceForCount, tokenId);
+ return true;
+ }*/
+
+ static bool HandleMFCommand(ChatHandler* handler, const char* /*args*/)
+ {
+ Player const* player = handler->getSelectedPlayer();
+ if (!player || (player != handler->GetSession()->GetPlayer() &&
+ handler->HasLowerSecurity(handler->GetSession()->GetPlayer(), EMPTYGUID)))
+ {
+ handler->SetSentErrorMessage(true);
+ return false;
+ }
+
+ uint32 basemf = MagicFind::GetBaseMF(player);
+ uint32 itemmf = MagicFind::GetItemsMF(player);
+
+ std::ostringstream mfstr;
+ mfstr.setf(std::ios_base::fixed);
+ mfstr.precision(1);
+
+ if (itemmf)
+ mfstr << "+" << (basemf + itemmf) << "% MF (" << basemf <<" base + " << itemmf << " from items)";
+ else
+ mfstr << "+" << basemf << "% MF";
+
+ float mf_coefs[MAX_ITEM_QUALITY];
+ MagicFind::CalculateMFCoefficients(player, mf_coefs);
+ for (uint8 i = 0; i < MAX_ITEM_QUALITY; ++i)
+ {
+ if (i != ITEM_QUALITY_UNCOMMON && i != ITEM_QUALITY_RARE && i != ITEM_QUALITY_EPIC && i != ITEM_QUALITY_LEGENDARY)
+ continue;
+
+ std::string qstr;
+ switch (i)
+ {
+ case ITEM_QUALITY_UNCOMMON: qstr = "Uncommon"; break;
+ case ITEM_QUALITY_RARE: qstr = "Rare"; break;
+ case ITEM_QUALITY_EPIC: qstr = "Epic"; break;
+ case ITEM_QUALITY_LEGENDARY: qstr = "Legendary"; break;
+ default: break;
+ }
+ mfstr << "\n " << qstr << ": " << float(mf_coefs[i] * 100.f) << "%";
+ }
+
+ handler->SendSysMessage(mfstr.str().c_str());
+
+ return true;
+ }
+};
+
+void AddSC_script_mf_commands()
+{
+ new script_mf_commands();
+}
diff --git a/src/server/game/Loot/MagicFind.h b/src/server/game/Loot/MagicFind.h
new file mode 100644
index 0000000..9e3c9c1
--- /dev/null
+++ b/src/server/game/Loot/MagicFind.h
@@ -0,0 +1,54 @@
+/*
+ * Author:
+ * 2020-2021 Trickerer <https://github.com/trickerer>
+ */
+
+#ifndef MAGIC_FIND_H
+#define MAGIC_FIND_H
+
+#include <string>
+
+enum MFBoolConfs
+{
+ MF_IS_DEMO_MODE = 1,
+ MF_QUALITY_AFFECTS_EQ_CHANCED = 2
+};
+
+enum MFFloatConfs
+{
+ MF_FACTOR_UNCOMMON = 1,
+ MF_FACTOR_RARE = 2,
+ MF_FACTOR_EPIC = 3,
+ MF_FACTOR_LEGENDARY = 4
+};
+
+enum MFStringConfs
+{
+ MF_CHARM_TOKENS = 1
+};
+
+class Player;
+
+class MagicFind
+{
+public:
+ static void InitMagicFindSystem();
+ static bool GetBoolConfig(MFBoolConfs c);
+ static float GetFloatConfig(MFFloatConfs c);
+ static std::string GetStringConfig(MFStringConfs c);
+ static void SetMF(uint32 lowguid, uint32 newMF);
+ static void SetMF(Player const* player, uint32 newMF);
+ static uint32 GetBaseMF(uint32 lowguid);
+ static uint32 GetBaseMF(Player const* player);
+ static uint32 GetItemsMF(Player const* player);
+ static uint32 GetMF(Player const* player);
+ static void ReloadConfig() { LoadConfig(); }
+ static bool IsCharmToken(uint32 itemId);
+ static void CalculateMFCoefficients(Player const* player, float* coefs);
+
+private:
+ static void LoadConfig();
+ static void ExtractTokens();
+};
+
+#endif
diff --git a/src/server/game/World/World.cpp b/src/server/game/World/World.cpp
index 5e07e6b..96ad308 100644
--- a/src/server/game/World/World.cpp
+++ b/src/server/game/World/World.cpp
@@ -91,6 +91,8 @@
#include <boost/asio/ip/address.hpp>
+#include "MagicFind.h"
+
TC_GAME_API std::atomic<bool> World::m_stopEvent(false);
TC_GAME_API uint8 World::m_ExitCode = SHUTDOWN_EXIT_CODE;
@@ -1941,6 +1943,9 @@ void World::SetInitialWorldSettings()
// Loot tables
LoadLootTables();
+ // Magic Find
+ MagicFind::InitMagicFindSystem();
+
TC_LOG_INFO("server.loading", "Loading Skill Discovery Table...");
LoadSkillDiscoveryTable();
diff --git a/src/server/worldserver/worldserver.conf.dist b/src/server/worldserver/worldserver.conf.dist
index 6a51d91..70f007c 100644
--- a/src/server/worldserver/worldserver.conf.dist
+++ b/src/server/worldserver/worldserver.conf.dist
@@ -4089,3 +4089,51 @@ Metric.OverallStatusInterval = 1
#
###################################################################################################
+
+###################################################################################################
+# MAGIC FIND SETTINGS
+#
+# MF.Demonstration
+# Description: Demonstration mode.
+# Default: 0 - (Disabled)
+# 1 - (Enabled, MF increase will be linear)
+
+MF.Demonstration = 0
+
+#
+# MF.QualityAffectsEquallyChanced
+# Description: Makes quality drop settings (Rate.Drop.Item.<Quality>) affect
+# equally chanced loot groups.
+# Default: 1 - (Enabled)
+# 0 - (Disabled)
+
+MF.QualityAffectsEquallyChanced = 1
+
+#
+# MF.Factor.Uncommon
+# MF.Factor.Rare
+# MF.Factor.Epic
+# MF.Factor.Legendary
+# Description: MF to chance increase calculation factor.
+# The greater the factor - the more linear chance increase MF will provide.
+# Default: 100.0 - (MF.Factor.Uncommon)
+# 150.0 - (MF.Factor.Rare)
+# 300.0 - (MF.Factor.Epic)
+# 750.0 - (MF.Factor.Legendary)
+
+MF.Factor.Uncommon = 100.0
+MF.Factor.Rare = 150.0
+MF.Factor.Epic = 300.0
+MF.Factor.Legendary = 750.0
+
+#
+# MF.CharmItems
+# Description: List of item IDs, separated by commas, that count as MF charms.
+# Item durability is the amount of MF it provides.
+# Default: "45290,34643,29557" - (Enabled)
+# "" - (Disabled)
+
+MF.CharmItems = "45290,34643,29557"
+
+#
+###################################################################################################
--
2.10.0.windows.1
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