Core/Misc: Add a bunch of examples for 67418a1aeee9035234d304b5e9653b832488dd66

(cherry picked from commit 00223f3bee137f3b3f3a8e0ec33b634b4511cc0b)

# Conflicts:
#	src/server/game/Entities/Player/Player.cpp
#	src/server/game/Globals/ObjectMgr.cpp

13 files changed, 36 insertions, 45 deletions

diff --git a/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp b/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp
index 845cfbb3ef6..4215c577ae6 100644
--- a/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp
+++ b/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp
@@ -36,6 +36,7 @@
 #include "Util.h"
 #include "WaypointDefines.h"
 #include "WaypointManager.h"
+#include "advstd.h"
 #include <algorithm>
 
 #define TC_SAI_IS_BOOLEAN_VALID(e, value) \
@@ -2030,7 +2031,7 @@ bool SmartAIMgr::IsEventValid(SmartScriptHolder& e)
                         return false;
                     }
 
-                    if (std::ranges::none_of(InventoryTypesEquipable, [dbcItem](InventoryType inventoryType) { return inventoryType == dbcItem->InventoryType; }))
+                    if (!advstd::ranges::contains(InventoryTypesEquipable, dbcItem->InventoryType))
                     {
                         TC_LOG_ERROR("sql.sql", "SmartScript: SMART_ACTION_EQUIP uses item {} (slot {}) not equipable in a hand for creature {}, skipped.", itemEntry, slot, e.entryOrGuid);
                         return false;
diff --git a/src/server/game/Achievements/AchievementMgr.cpp b/src/server/game/Achievements/AchievementMgr.cpp
index 8d317892ec1..979ff16e7da 100644
--- a/src/server/game/Achievements/AchievementMgr.cpp
+++ b/src/server/game/Achievements/AchievementMgr.cpp
@@ -77,11 +77,8 @@ uint32 AchievementMgr::GetAchievementPoints() const
 
 std::vector<uint32> AchievementMgr::GetCompletedAchievementIds() const
 {
-    std::vector<uint32> achievementIds;
-    std::transform(_completedAchievements.begin(), _completedAchievements.end(), std::back_inserter(achievementIds), [](std::pair<uint32 const, CompletedAchievementData> const& achievement)
-    {
-        return achievement.first;
-    });
+    std::vector<uint32> achievementIds(_completedAchievements.size());
+    std::ranges::transform(_completedAchievements, achievementIds.begin(), Trinity::Containers::MapKey);
     return achievementIds;
 }
 
diff --git a/src/server/game/AuctionHouse/AuctionHouseMgr.cpp b/src/server/game/AuctionHouse/AuctionHouseMgr.cpp
index 74308cd6b1e..29f11b82d59 100644
--- a/src/server/game/AuctionHouse/AuctionHouseMgr.cpp
+++ b/src/server/game/AuctionHouse/AuctionHouseMgr.cpp
@@ -910,10 +910,10 @@ void AuctionHouseObject::AddAuction(CharacterDatabaseTransaction trans, AuctionP
 
     if (ItemModifiedAppearanceEntry const* itemModifiedAppearance = auction.Items[0]->GetItemModifiedAppearance())
     {
-        auto itr = std::ranges::find(bucket->ItemModifiedAppearanceId, itemModifiedAppearance->ID, &std::pair<uint32, uint32>::first);
+        auto itr = std::ranges::find(bucket->ItemModifiedAppearanceId, itemModifiedAppearance->ID, Trinity::TupleElement<0>);
 
         if (itr == bucket->ItemModifiedAppearanceId.end())
-            itr = std::ranges::find(bucket->ItemModifiedAppearanceId, 0u, &std::pair<uint32, uint32>::first);
+            itr = std::ranges::find(bucket->ItemModifiedAppearanceId, 0u, Trinity::TupleElement<0>);
 
         if (itr != bucket->ItemModifiedAppearanceId.end())
         {
diff --git a/src/server/game/BattlePets/BattlePetMgr.cpp b/src/server/game/BattlePets/BattlePetMgr.cpp
index 16014538b23..ee53c8b879a 100644
--- a/src/server/game/BattlePets/BattlePetMgr.cpp
+++ b/src/server/game/BattlePets/BattlePetMgr.cpp
@@ -37,8 +37,8 @@ namespace BattlePets
 {
 namespace
 {
-std::unordered_map<uint16 /*BreedID*/, std::unordered_map<BattlePetState /*state*/, int32 /*value*/, std::hash<std::underlying_type<BattlePetState>::type> >> _battlePetBreedStates;
-std::unordered_map<uint32 /*SpeciesID*/, std::unordered_map<BattlePetState /*state*/, int32 /*value*/, std::hash<std::underlying_type<BattlePetState>::type> >> _battlePetSpeciesStates;
+std::unordered_map<uint16 /*BreedID*/, std::unordered_map<BattlePetState /*state*/, int32 /*value*/>> _battlePetBreedStates;
+std::unordered_map<uint32 /*SpeciesID*/, std::unordered_map<BattlePetState /*state*/, int32 /*value*/>> _battlePetSpeciesStates;
 std::unordered_map<uint32 /*CreatureID*/, BattlePetSpeciesEntry const*> _battlePetSpeciesByCreature;
 std::unordered_map<uint32 /*SpellID*/, BattlePetSpeciesEntry const*> _battlePetSpeciesBySpell;
 std::unordered_map<uint32 /*SpeciesID*/, std::unordered_set<uint8 /*breed*/>> _availableBreedsPerSpecies;
@@ -47,18 +47,14 @@ std::unordered_map<uint32 /*SpeciesID*/, uint8 /*quality*/> _defaultQualityPerSp
 
 void BattlePet::CalculateStats()
 {
-    float health = 0.0f;
-    float power = 0.0f;
-    float speed = 0.0f;
-
     // get base breed stats
     auto breedState = _battlePetBreedStates.find(PacketInfo.Breed);
     if (breedState == _battlePetBreedStates.end()) // non existing breed id
         return;
 
-    health = breedState->second[STATE_STAT_STAMINA];
-    power = breedState->second[STATE_STAT_POWER];
-    speed = breedState->second[STATE_STAT_SPEED];
+    float health = breedState->second[STATE_STAT_STAMINA];
+    float power = breedState->second[STATE_STAT_POWER];
+    float speed = breedState->second[STATE_STAT_SPEED];
 
     // modify stats depending on species - not all pets have this
     auto speciesState = _battlePetSpeciesStates.find(PacketInfo.Species);
@@ -538,7 +534,7 @@ void BattlePetMgr::ModifyName(ObjectGuid guid, std::string const& name, std::uni
             summonedBattlePet->SetBattlePetCompanionNameTimestamp(pet->NameTimestamp);
 }
 
-bool BattlePetMgr::IsPetInSlot(ObjectGuid guid)
+bool BattlePetMgr::IsPetInSlot(ObjectGuid guid) const
 {
     for (WorldPackets::BattlePet::BattlePetSlot const& slot : _slots)
         if (slot.Pet.Guid == guid)
@@ -549,21 +545,21 @@ bool BattlePetMgr::IsPetInSlot(ObjectGuid guid)
 
 uint8 BattlePetMgr::GetPetCount(BattlePetSpeciesEntry const* battlePetSpecies, ObjectGuid ownerGuid) const
 {
-    return uint8(std::count_if(_pets.begin(), _pets.end(), [battlePetSpecies, ownerGuid](std::pair<uint64 const, BattlePet> const& pet)
+    return uint8(std::ranges::count_if(_pets, [battlePetSpecies, ownerGuid](BattlePet const& pet)
     {
-        if (pet.second.PacketInfo.Species != battlePetSpecies->ID)
+        if (pet.PacketInfo.Species != battlePetSpecies->ID)
             return false;
 
-        if (pet.second.SaveInfo == BATTLE_PET_REMOVED)
+        if (pet.SaveInfo == BATTLE_PET_REMOVED)
             return false;
 
         if (battlePetSpecies->GetFlags().HasFlag(BattlePetSpeciesFlags::NotAccountWide))
-            if (!ownerGuid.IsEmpty() && pet.second.PacketInfo.OwnerInfo)
-                if (pet.second.PacketInfo.OwnerInfo->Guid != ownerGuid)
+            if (!ownerGuid.IsEmpty() && pet.PacketInfo.OwnerInfo)
+                if (pet.PacketInfo.OwnerInfo->Guid != ownerGuid)
                     return false;
 
         return true;
-    }));
+    }, Trinity::Containers::MapValue));
 }
 
 bool BattlePetMgr::HasMaxPetCount(BattlePetSpeciesEntry const* battlePetSpecies, ObjectGuid ownerGuid) const
@@ -576,10 +572,10 @@ bool BattlePetMgr::HasMaxPetCount(BattlePetSpeciesEntry const* battlePetSpecies,
 uint32 BattlePetMgr::GetPetUniqueSpeciesCount() const
 {
     std::set<uint32> speciesIds;
-    std::transform(_pets.begin(), _pets.end(), std::inserter(speciesIds, speciesIds.end()), [](std::pair<uint64 const, BattlePet> const& pet)
+    std::ranges::transform(_pets, std::inserter(speciesIds, speciesIds.end()), [](BattlePet const& pet)
     {
-        return pet.second.PacketInfo.Species;
-    });
+        return pet.PacketInfo.Species;
+    }, Trinity::Containers::MapValue);
     return speciesIds.size();
 }
 
@@ -889,7 +885,7 @@ void BattlePetMgr::SendJournal()
                 battlePetJournal.Pets.push_back(std::ref(pet.second.PacketInfo));
 
     battlePetJournal.Slots.reserve(_slots.size());
-    std::transform(_slots.begin(), _slots.end(), std::back_inserter(battlePetJournal.Slots), [](WorldPackets::BattlePet::BattlePetSlot& slot) { return std::ref(slot); });
+    std::ranges::transform(_slots, std::back_inserter(battlePetJournal.Slots), [](WorldPackets::BattlePet::BattlePetSlot& slot) { return std::ref(slot); });
     _owner->SendPacket(battlePetJournal.Write());
 }
 
diff --git a/src/server/game/BattlePets/BattlePetMgr.h b/src/server/game/BattlePets/BattlePetMgr.h
index 781adb0788c..5d4378c07ed 100644
--- a/src/server/game/BattlePets/BattlePetMgr.h
+++ b/src/server/game/BattlePets/BattlePetMgr.h
@@ -167,7 +167,7 @@ public:
     void RemovePet(ObjectGuid guid);
     void ClearFanfare(ObjectGuid guid);
     void ModifyName(ObjectGuid guid, std::string const& name, std::unique_ptr<DeclinedName> declinedName);
-    bool IsPetInSlot(ObjectGuid guid);
+    bool IsPetInSlot(ObjectGuid guid) const;
 
     uint8 GetPetCount(BattlePetSpeciesEntry const* battlePetSpecies, ObjectGuid ownerGuid) const;
     bool HasMaxPetCount(BattlePetSpeciesEntry const* battlePetSpecies, ObjectGuid ownerGuid) const;
diff --git a/src/server/game/DataStores/DB2Stores.cpp b/src/server/game/DataStores/DB2Stores.cpp
index ccdc27ef11f..705b5252718 100644
--- a/src/server/game/DataStores/DB2Stores.cpp
+++ b/src/server/game/DataStores/DB2Stores.cpp
@@ -2102,7 +2102,8 @@ MapDifficultyEntry const* DB2Manager::GetDefaultMapDifficulty(uint32 mapId, Diff
 
     // first find any valid difficulty
     auto foundDifficulty = std::ranges::find_if(difficultiesForMap->begin(), difficultyEnd,
-        [](std::pair<uint32 const, MapDifficultyEntry const*> const& p) { return sDifficultyStore.HasRecord(p.first); });
+        [](uint32 difficultyId) { return sDifficultyStore.HasRecord(difficultyId); },
+        Trinity::Containers::MapKey);
 
     if (foundDifficulty == difficultyEnd)
         return nullptr; // nothing valid was found
diff --git a/src/server/game/Entities/Creature/CreatureGroups.cpp b/src/server/game/Entities/Creature/CreatureGroups.cpp
index 97e64340f3c..628535e0033 100644
--- a/src/server/game/Entities/Creature/CreatureGroups.cpp
+++ b/src/server/game/Entities/Creature/CreatureGroups.cpp
@@ -312,7 +312,7 @@ bool CreatureGroup::CanLeaderStartMoving() const
 
 bool CreatureGroup::HasAliveMembers() const
 {
-    return std::ranges::any_of(_members, [](Creature const* member) { return member->IsAlive(); }, &MembersMap::value_type::first);
+    return std::ranges::any_of(_members, [](Creature const* member) { return member->IsAlive(); }, Trinity::Containers::MapKey);
 }
 
 bool CreatureGroup::LeaderHasStringId(std::string_view id) const
diff --git a/src/server/game/Entities/Player/Player.cpp b/src/server/game/Entities/Player/Player.cpp
index 65f77b98da9..b06e1eb5d1f 100644
--- a/src/server/game/Entities/Player/Player.cpp
+++ b/src/server/game/Entities/Player/Player.cpp
@@ -3042,7 +3042,7 @@ void Player::RemoveSpell(uint32 spell_id, bool disabled /*= false*/, bool learn_
             if (!learnNode->Active)
                 return false;
             return HasSpell(learnNode->SourceSpell);
-        }, &SpellLearnedBySpellMap::value_type::second);
+        }, Trinity::Containers::MapValue);
 
         if (hasOtherSpellTeachingThis)
             continue;
diff --git a/src/server/game/Globals/ObjectMgr.cpp b/src/server/game/Globals/ObjectMgr.cpp
index 62a812b90a3..0a33363f2b8 100644
--- a/src/server/game/Globals/ObjectMgr.cpp
+++ b/src/server/game/Globals/ObjectMgr.cpp
@@ -70,6 +70,7 @@
 #include "VMapManager2.h"
 #include "Vehicle.h"
 #include "World.h"
+#include "advstd.h"
 #include <G3D/g3dmath.h>
 #include <limits>
 #include <numeric>
@@ -1549,7 +1550,7 @@ void ObjectMgr::LoadEquipmentTemplates()
                 continue;
             }
 
-            if (std::ranges::none_of(InventoryTypesEquipable, [dbcItem](InventoryType inventoryType) { return inventoryType == dbcItem->InventoryType; }))
+            if (!advstd::ranges::contains(InventoryTypesEquipable, dbcItem->InventoryType))
             {
                 TC_LOG_ERROR("sql.sql", "Item (ID={}) in creature_equip_template.ItemID{} for CreatureID = {} and ID = {} is not equipable in a hand, forced to 0.",
                     equipmentInfo.Items[i].ItemId, i + 1, entry, id);
diff --git a/src/server/game/Loot/Loot.cpp b/src/server/game/Loot/Loot.cpp
index b1185cb459a..37012bc23f7 100644
--- a/src/server/game/Loot/Loot.cpp
+++ b/src/server/game/Loot/Loot.cpp
@@ -216,10 +216,7 @@ Optional<LootSlotType> LootItem::GetUiTypeForPlayer(Player const* player, Loot c
     {
         if (NotNormalLootItemList const* ffaItems = Trinity::Containers::MapGetValuePtr(loot.GetPlayerFFAItems(), player->GetGUID()))
         {
-            auto ffaItemItr = std::ranges::find_if(*ffaItems, [&](NotNormalLootItem const& ffaItem)
-            {
-                return ffaItem.LootListId == LootListId;
-            });
+            auto ffaItemItr = std::ranges::find(*ffaItems, LootListId, &NotNormalLootItem::LootListId);
             if (ffaItemItr != ffaItems->end() && !ffaItemItr->is_looted)
                 return loot.GetLootMethod() == FREE_FOR_ALL ? LOOT_SLOT_TYPE_OWNER : LOOT_SLOT_TYPE_ALLOW_LOOT;
         }
@@ -1092,7 +1089,7 @@ bool Loot::hasItemFor(Player const* player) const
             return true;
 
     if (NotNormalLootItemList const* ffaItems = Trinity::Containers::MapGetValuePtr(GetPlayerFFAItems(), player->GetGUID()))
-        if (std::ranges::any_of(*ffaItems, std::identity(), &NotNormalLootItem::is_looted))
+        if (std::ranges::any_of(*ffaItems, &NotNormalLootItem::is_looted))
             return true;
 
     return false;
diff --git a/src/server/game/Loot/LootMgr.cpp b/src/server/game/Loot/LootMgr.cpp
index d8af2922175..56ca47db058 100644
--- a/src/server/game/Loot/LootMgr.cpp
+++ b/src/server/game/Loot/LootMgr.cpp
@@ -213,7 +213,7 @@ uint32 LootStore::LoadAndCollectLootIds(LootIdSet& lootIdSet)
 {
     uint32 count = LoadLootTable();
 
-    std::ranges::transform(m_LootTemplates, std::inserter(lootIdSet, lootIdSet.end()), &LootTemplateMap::value_type::first);
+    std::ranges::transform(m_LootTemplates, std::inserter(lootIdSet, lootIdSet.end()), Trinity::Containers::MapKey);
 
     return count;
 }
diff --git a/src/server/game/Spells/Spell.cpp b/src/server/game/Spells/Spell.cpp
index 9559d37ccec..e962659526e 100644
--- a/src/server/game/Spells/Spell.cpp
+++ b/src/server/game/Spells/Spell.cpp
@@ -9303,10 +9303,7 @@ void SelectRandomInjuredTargets(std::list<WorldObject*>& targets, size_t maxTarg
         return std::make_pair(target, negativePoints);
     });
 
-    std::sort(tempTargets.begin(), tempTargets.end(), [](std::pair<WorldObject*, int32> const& left, std::pair<WorldObject*, int32> const& right)
-    {
-        return left.second < right.second;
-    });
+    std::ranges::sort(tempTargets, {}, Trinity::TupleElement<1>);
 
     std::size_t foundTargets = 0;
     for (std::ptrdiff_t countForPriority : countsByPriority)
@@ -9324,7 +9321,7 @@ void SelectRandomInjuredTargets(std::list<WorldObject*>& targets, size_t maxTarg
     }
 
     targets.resize(maxTargets);
-    std::transform(tempTargets.begin(), tempTargets.begin() + maxTargets, targets.begin(), std::mem_fn(&std::pair<WorldObject*, int32>::first));
+    std::ranges::transform(tempTargets.begin(), tempTargets.begin() + maxTargets, targets.begin(), Trinity::TupleElement<0>);
 }
 } //namespace Trinity
 
diff --git a/src/server/scripts/Commands/cs_npc.cpp b/src/server/scripts/Commands/cs_npc.cpp
index ea62d0ca55b..1d705c675df 100644
--- a/src/server/scripts/Commands/cs_npc.cpp
+++ b/src/server/scripts/Commands/cs_npc.cpp
@@ -35,6 +35,7 @@ EndScriptData */
 #include "Language.h"
 #include "Loot.h"
 #include "Map.h"
+#include "MapUtils.h"
 #include "MotionMaster.h"
 #include "MovementDefines.h"
 #include "ObjectAccessor.h"
@@ -1313,7 +1314,7 @@ public:
 
         Loot const* loot = creatureTarget->m_loot.get();
         if ((!loot || loot->isLooted())
-            && !std::ranges::count_if(creatureTarget->m_personalLoot, std::not_fn(&Loot::isLooted), &std::unordered_map<ObjectGuid, std::unique_ptr<Loot>>::value_type::second))
+            && !std::ranges::count_if(creatureTarget->m_personalLoot, std::not_fn(&Loot::isLooted), Trinity::Containers::MapValue))
         {
             handler->PSendSysMessage(LANG_COMMAND_NOT_DEAD_OR_NO_LOOT, creatureTarget->GetName().c_str());
             handler->SetSentErrorMessage(true);