Added UseDropRates.MinDropRate

conf/mod_ahbot.conf.dist

@@ -94,7 +94,7 @@ AuctionHouseBot.ListingExpireTimeInSecondsMax = 86400
 #        Crafted items may also appear more often since their drop rate is effectively 100%.
 #    Default: false (disabled)
 #
-#    AuctionHouseBot.Seller.AdvancedListingRules.UseDropRates.<Category>
+#    AuctionHouseBot.AdvancedListingRules.UseDropRates.<Category>
 #        Toggle AdvancedListingRules.UseDropRates behavior for individual category.
 #        Only applied if AdvancedListingRules.UseDropRates.Enabled is true.
 #    Default: true (enabled)
@@ -107,6 +107,12 @@ AuctionHouseBot.ListingExpireTimeInSecondsMax = 86400
 #        (0) Poor, (1) Common, (2) Uncommon, (3) Rare, (4) Epic, (5) Legendary, (6) Heirloom
 #    Default: 2,3,4,5
 #
+#    AuctionHouseBot.AdvancedListingRules.UseDropRates.MinDropRate
+#        The minimum drop rate any affected item can have.
+#        Some items can have extremely low drop rates in the DB (e.g. 0.00006), so
+#        this setting will raise those items' drop rate to this value.
+#    Default: 0.005
+#
 #    AuctionHouseBot.AdvancedListingRules.UseDropRates.TiersConfig
 #        The thresholds that define item drop rate tiers.
 #        Value should be a string of comma-separated numbers between 0 and 100.
@@ -135,6 +141,7 @@ AuctionHouseBot.AdvancedListingRules.UseDropRates.Weapon.AffectedQualities = 2,3
 AuctionHouseBot.AdvancedListingRules.UseDropRates.Armor.AffectedQualities  = 2,3,4,5
 AuctionHouseBot.AdvancedListingRules.UseDropRates.Recipe.AffectedQualities = 2,3,4,5
 
+AuctionHouseBot.AdvancedListingRules.UseDropRates.MinDropRate = 0.005
 AuctionHouseBot.AdvancedListingRules.UseDropRates.TiersConfig = 50, 10, 5, 2, 1, 0.5, 0.2, 0.1, 0.05, 0.02, 0.01, 0.005
 AuctionHouseBot.AdvancedListingRules.UseDropRates.DisabledItemIDs = 
 

src/AuctionHouseBot.cpp

@@ -161,6 +161,7 @@ AuctionHouseBot::AuctionHouseBot() :
     AdvancedListingRuleUseDropRatesWeaponEnabled(true),
     AdvancedListingRuleUseDropRatesArmorEnabled(true),
     AdvancedListingRuleUseDropRatesRecipeEnabled(true),
+    AdvancedListingRuleUseDropRatesMinDropRate(0.005),
     LastBuyCycleCount(0),
     LastSellCycleCount(0),
     ActiveListMultipleItemID(0),
@@ -1292,7 +1293,7 @@ void AuctionHouseBot::PopulateItemDropChancesForCategoryAndQuality(ItemClass cat
          
         SELECT  itemID,
                 0                     AS direct_chance,
-                AVG(reference_chance) AS reference_chance
+                MIN(reference_chance) AS reference_chance
                 FROM chances 
                 GROUP BY itemID
     )SQL";
@@ -1347,7 +1348,7 @@ void AuctionHouseBot::PopulateItemDropChancesForCategoryAndQuality(ItemClass cat
     }
 
     // Add drop rate of all results to CachedItemDropRates 
-    auto parseResults = [this](QueryResult result) 
+    auto parseResults = [this](QueryResult result, bool overwriteDropRate) 
     {
         do {
             Field* fields = result->Fetch();
@@ -1359,12 +1360,17 @@ void AuctionHouseBot::PopulateItemDropChancesForCategoryAndQuality(ItemClass cat
             if (IsItemQuestReward(itemID) || IsItemCrafted(itemID))
                 continue;
 
+            if (CachedItemDropRates.contains(itemID) && !overwriteDropRate)
+                continue;
+
             if (!fields[1].IsNull())
                 directDropChance = fields[1].Get<double>(); 
             if (!fields[2].IsNull())
                 referenceDropChance = fields[2].Get<double>();
             
+            // Choose higher of two rates (one is normally 0), then raise to MinDropRate if less than
             double higherDropChance = (directDropChance > referenceDropChance) ? directDropChance : referenceDropChance;
+            higherDropChance = (higherDropChance < AdvancedListingRuleUseDropRatesMinDropRate) ? AdvancedListingRuleUseDropRatesMinDropRate : higherDropChance;
 
             if (CachedItemDropRates[itemID] < higherDropChance) 
                 CachedItemDropRates[itemID] = higherDropChance;
@@ -1372,11 +1378,11 @@ void AuctionHouseBot::PopulateItemDropChancesForCategoryAndQuality(ItemClass cat
         } while (result->NextRow());
     };
 
-    parseResults(directResult);
-    parseResults(referenceResult);
-    parseResults(danglingReferenceResult);
-    parseResults(groupResult);
-    parseResults(objectsDropResult);
+    parseResults(directResult, true);
+    parseResults(referenceResult, true);
+    parseResults(danglingReferenceResult, false);
+    parseResults(groupResult, true);
+    parseResults(objectsDropResult, true);
 
     // Populate drop rates Tiers
     for (auto& [classID, qualityGroups] : ItemCandidatesByItemClassAndQuality)
@@ -1706,8 +1712,6 @@ void AuctionHouseBot::Update()
     if (AHCharacters.empty() == true)
         return;
 
-    CleanupExpiredAuctionItems();
-
     if ((SellingBotEnabled == false) && (BuyingBotEnabled == false))
         return;
 
@@ -1815,6 +1819,8 @@ void AuctionHouseBot::InitializeConfiguration()
     AdvancedListingRuleUseDropRatesWeaponEnabled = sConfigMgr->GetOption<bool>("AuctionHouseBot.AdvancedListingRules.UseDropRates.Weapon", true);
     AdvancedListingRuleUseDropRatesArmorEnabled = sConfigMgr->GetOption<bool>("AuctionHouseBot.AdvancedListingRules.UseDropRates.Armor", true);
     AdvancedListingRuleUseDropRatesRecipeEnabled = sConfigMgr->GetOption<bool>("AuctionHouseBot.AdvancedListingRules.UseDropRates.Recipe", true);
+    AdvancedListingRuleUseDropRatesMinDropRate = sConfigMgr->GetOption<float>("AuctionHouseBot.AdvancedListingRules.UseDropRates.MinDropRate", 0.005);
+    if (AdvancedListingRuleUseDropRatesMinDropRate < 0 || AdvancedListingRuleUseDropRatesMinDropRate > 100) AdvancedListingRuleUseDropRatesMinDropRate = 0.005;
     ParseNumberListToSet(AdvancedListingRuleUseDropRatesWeaponAffectedQualities, sConfigMgr->GetOption<std::string>("AuctionHouseBot.AdvancedListingRules.UseDropRates.Weapon.AffectedQualities", "2,3,4,5"), "");
     ParseNumberListToSet(AdvancedListingRuleUseDropRatesArmorAffectedQualities, sConfigMgr->GetOption<std::string>("AuctionHouseBot.AdvancedListingRules.UseDropRates.Armor.AffectedQualities", "2,3,4,5"), "");
     ParseNumberListToSet(AdvancedListingRuleUseDropRatesRecipeAffectedQualities, sConfigMgr->GetOption<std::string>("AuctionHouseBot.AdvancedListingRules.UseDropRates.Recipe.AffectedQualities", "2,3,4,5"), "");

src/AuctionHouseBot.h

@@ -289,6 +289,7 @@ private:
     std::set<uint32> AdvancedListingRuleUseDropRatesWeaponAffectedQualities;
     std::set<uint32> AdvancedListingRuleUseDropRatesArmorAffectedQualities;
     std::set<uint32> AdvancedListingRuleUseDropRatesRecipeAffectedQualities;
+    float AdvancedListingRuleUseDropRatesMinDropRate;
     std::unordered_set<uint32> QuestRewardItemIDs;
 
     FactionSpecificAuctionHouseConfig AllianceConfig;

src/AuctionHouseBotScript.cpp

@@ -169,6 +169,8 @@ public:
         LOG_INFO("module", "AuctionHouseBot: Updating Auction House...");
         handler->PSendSysMessage("AuctionHouseBot: Updating Auction House...");
         AuctionHouseBot::instance()->Update();
+        LOG_INFO("module", "AuctionHouseBot: Auction House Updated.");
+        handler->PSendSysMessage("AuctionHouseBot: Auction House Updated.");
         return true;
     }
 
@@ -198,6 +200,9 @@ public:
         LOG_INFO("module", "AuctionHouseBot: Emptying Auction House...");
         handler->PSendSysMessage("AuctionHouseBot: Emptying Auction House...");
         AuctionHouseBot::instance()->EmptyAuctionHouses();
+        AuctionHouseBot::instance()->CleanupExpiredAuctionItems(); // Must go after EmptyAuctionHouses()
+        LOG_INFO("module", "AuctionHouseBot: Auction Houses Emptied.");
+        handler->PSendSysMessage("AuctionHouseBot: Auction Houses Emptied.");
         return true;
     }