register altered rarities correcty in rarity roll

This commit is contained in:
FinnHornhoover 2021-04-01 03:02:38 -07:00 committed by Gent Semaj
parent 527ca817d5
commit 78b87d0f61

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