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register altered rarities correcty in rarity roll
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@ -108,6 +108,7 @@ static int getRarity(int crateId, int itemSetId) {
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}
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std::vector<int>& rarityWeights = Items::RarityWeights[crate.rarityWeightId];
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ItemSet& itemSet = Items::ItemSets[itemSetId];
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/*
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* First we have to check if specified item set contains items with all specified rarities,
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@ -117,11 +118,17 @@ static int getRarity(int crateId, int itemSetId) {
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// remember that rarities start from 1!
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std::set<int> rarityIndices;
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for (int itemReferenceId : Items::ItemSets[itemSetId].itemReferenceIds) {
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for (int itemReferenceId : itemSet.itemReferenceIds) {
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if (Items::ItemReferences.find(itemReferenceId) == Items::ItemReferences.end())
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continue;
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rarityIndices.insert(Items::ItemReferences[itemReferenceId].rarity - 1);
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// alter rarity
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int itemRarity = (itemSet.alterRarityMap.find(itemReferenceId) == itemSet.alterRarityMap.end())
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? Items::ItemReferences[itemReferenceId].rarity
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: itemSet.alterRarityMap[itemReferenceId];
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rarityIndices.insert(itemRarity - 1);
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// shortcut
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if (rarityIndices.size() == rarityWeights.size())
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@ -133,14 +140,17 @@ static int getRarity(int crateId, int itemSetId) {
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return -1;
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}
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// retain the weights of rarities that actually exist in the itemset
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std::vector<int> relevantWeights(rarityWeights.size(), 0);
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for (int index : rarityIndices) {
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// sanity check
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// check for out of bounds and rarity 0 items
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if (index >= 0 && index < rarityWeights.size())
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relevantWeights[index] = rarityWeights[index];
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}
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// now return a random rarity number (starting from 1)
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// if relevantWeights is empty or all zeros, we default to giving a common (1) item
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// rarity 0 items will appear in the drop pool regardless of this roll
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return Rand::randWeighted(relevantWeights) + 1;
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}
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@ -160,11 +170,9 @@ static int getCrateItem(sItemBase* result, int itemSetId, int rarity, int player
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ItemReference* item = &Items::ItemReferences[itemReferenceId];
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// alter rarity
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int itemRarity;
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if (itemSet.alterRarityMap.find(itemReferenceId) == itemSet.alterRarityMap.end())
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itemRarity = item->rarity;
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else
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itemRarity = itemSet.alterRarityMap[itemReferenceId];
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int itemRarity = (itemSet.alterRarityMap.find(itemReferenceId) == itemSet.alterRarityMap.end())
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? item->rarity
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: itemSet.alterRarityMap[itemReferenceId];
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// if rarity doesn't match the selected one, exclude item
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// rarity 0 bypasses this step for an individual item
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@ -172,11 +180,9 @@ static int getCrateItem(sItemBase* result, int itemSetId, int rarity, int player
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continue;
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// alter rarity
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int itemGender;
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if (itemSet.alterGenderMap.find(itemReferenceId) == itemSet.alterGenderMap.end())
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itemGender = item->gender;
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else
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itemGender = itemSet.alterGenderMap[itemReferenceId];
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int itemGender = (itemSet.alterGenderMap.find(itemReferenceId) == itemSet.alterGenderMap.end())
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? item->gender
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: itemSet.alterGenderMap[itemReferenceId];
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// if gender is incorrect, exclude item
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// gender 0 bypasses this step for an individual item
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