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Fix issue when users were able to complete Challenges with less items than required (#101).

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This issue happens because there were an issue with detecting if enough items are in player inventory. Each new required item stack forgets abouts previous founding.
Also it marked challenge as completed after items were failed to remove.
This commit is contained in:
BONNe 2019-04-01 10:14:31 +03:00
parent bc5cb2068b
commit e33db6ef29
2 changed files with 125 additions and 48 deletions
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170
src/main/java/world/bentobox/challenges/tasks/TryToComplete.java
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@ -501,55 +501,93 @@ public class TryToComplete
private ChallengeResult checkInventory()
{
// Run through inventory
List<ItemStack> required = new ArrayList<>(this.challenge.getRequiredItems());
List<ItemStack> requiredItems = new ArrayList<>(this.challenge.getRequiredItems().size());
// Players in creative game mode has got all items. No point to search for them.
if (this.user.getPlayer().getGameMode() != GameMode.CREATIVE)
{
for (ItemStack req : required)
// Group all equal items in singe stack, as otherwise it will be too complicated to check if all
// items are in players inventory.
for (ItemStack item : this.challenge.getRequiredItems())
{
// Check for FIREWORK_ROCKET, ENCHANTED_BOOK, WRITTEN_BOOK, POTION and
// FILLED_MAP because these have unique meta when created
switch (req.getType())
{
case FIREWORK_ROCKET:
case ENCHANTED_BOOK:
case WRITTEN_BOOK:
case FILLED_MAP:
// Get how many items are in the inventory. Item stacks amounts need to be summed
int numInInventory =
Arrays.stream(this.user.getInventory().getContents()).
filter(Objects::nonNull).
filter(i -> i.getType().equals(req.getType())).
mapToInt(ItemStack::getAmount).
sum();
boolean isUnique = true;
if (numInInventory < req.getAmount())
{
this.user.sendMessage("challenges.errors.not-enough-items",
"[items]",
Util.prettifyText(req.getType().toString()));
return EMPTY_RESULT;
}
break;
default:
// General checking
if (!this.user.getInventory().containsAtLeast(req, req.getAmount()))
{
this.user.sendMessage("challenges.errors.not-enough-items",
"[items]",
Util.prettifyText(req.getType().toString()));
return EMPTY_RESULT;
}
break;
int i = 0;
final int requiredSize = requiredItems.size();
while (i < requiredSize && isUnique)
{
ItemStack required = requiredItems.get(i);
// Merge items which meta can be ignored or is similar to item in required list.
if (this.canIgnoreMeta(item.getType()) && item.getType().equals(required.getType()) ||
required.isSimilar(item))
{
required.setAmount(required.getAmount() + item.getAmount());
isUnique = false;
}
i++;
}
if (isUnique)
{
// The same issue as in other places. Clone prevents from changing original item.
requiredItems.add(item.clone());
}
}
// If remove items, then remove them
int sumEverything = 0;
// Check if all required items are in players inventory.
for (ItemStack required : requiredItems)
{
if (this.canIgnoreMeta(required.getType()))
{
int numInInventory =
Arrays.stream(this.user.getInventory().getContents()).
filter(Objects::nonNull).
filter(i -> i.getType().equals(required.getType())).
mapToInt(ItemStack::getAmount).
sum();
if (numInInventory < required.getAmount())
{
this.user.sendMessage("challenges.errors.not-enough-items",
"[items]",
Util.prettifyText(required.getType().toString()));
return EMPTY_RESULT;
}
}
else
{
if (!this.user.getInventory().containsAtLeast(required, required.getAmount()))
{
this.user.sendMessage("challenges.errors.not-enough-items",
"[items]",
Util.prettifyText(required.getType().toString()));
return EMPTY_RESULT;
}
}
sumEverything += required.getAmount();
}
// If remove items, then remove them
if (this.challenge.isTakeItems())
{
this.removeItems(required);
Map<Material, Integer> removedItems = this.removeItems(requiredItems);
int removedAmount = removedItems.values().stream().mapToInt(num -> num).sum();
// Something is not removed.
if (sumEverything != removedAmount)
{
this.user.sendMessage("challenges.errors.cannot-remove-items");
// TODO: Necessary to implement returning removed items.
return EMPTY_RESULT;
}
}
}
@ -561,21 +599,36 @@ public class TryToComplete
/**
* Removes items from a user's inventory
* @param required - a list of item stacks to be removed
* @param requiredItemList - a list of item stacks to be removed
*/
Map<Material, Integer> removeItems(List<ItemStack> required)
Map<Material, Integer> removeItems(List<ItemStack> requiredItemList)
{
Map<Material, Integer> removed = new HashMap<>();
for (ItemStack req : required)
for (ItemStack required : requiredItemList)
{
int amountToBeRemoved = req.getAmount();
List<ItemStack> itemsInInv = Arrays.stream(user.getInventory().getContents()).
filter(Objects::nonNull).
filter(i -> i.getType().equals(req.getType())).
collect(Collectors.toList());
int amountToBeRemoved = required.getAmount();
for (ItemStack i : itemsInInv)
List<ItemStack> itemsInInventory;
if (this.canIgnoreMeta(required.getType()))
{
// Use collecting method that ignores item meta.
itemsInInventory = Arrays.stream(user.getInventory().getContents()).
filter(Objects::nonNull).
filter(i -> i.getType().equals(required.getType())).
collect(Collectors.toList());
}
else
{
// Use collecting method that compares item meta.
itemsInInventory = Arrays.stream(user.getInventory().getContents()).
filter(Objects::nonNull).
filter(i -> i.isSimilar(required)).
collect(Collectors.toList());
}
for (ItemStack i : itemsInInventory)
{
if (amountToBeRemoved > 0)
{
@ -597,7 +650,7 @@ public class TryToComplete
if (amountToBeRemoved > 0)
{
this.addon.logError("Could not remove " + amountToBeRemoved + " of " + req.getType() +
this.addon.logError("Could not remove " + amountToBeRemoved + " of " + required.getType() +
" from player's inventory!");
}
}
@ -606,6 +659,29 @@ public class TryToComplete
}
/**
* This method returns if meta data of these items can be ignored. It means, that items will be searched
* and merged by they type instead of using ItemStack#isSimilar(ItemStack) method.
*
* This limits custom Challenges a lot. It comes from ASkyBlock times, and that is the reason why it is
* still here. It would be a great Challenge that could be completed by collecting 4 books, that cannot
* be crafted. Unfortunately, this prevents it.
* The same happens with firework rockets, enchanted books and filled maps.
* In future it should be able to specify, which items meta should be ignored when adding item in required
* item list.
*
* @param material Material that need to be checked.
* @return True if material meta can be ignored, otherwise false.
*/
private boolean canIgnoreMeta(Material material)
{
return material.equals(Material.FIREWORK_ROCKET) ||
material.equals(Material.ENCHANTED_BOOK) ||
material.equals(Material.WRITTEN_BOOK) ||
material.equals(Material.FILLED_MAP);
}
// ---------------------------------------------------------------------
// Section: Island Challenge
// ---------------------------------------------------------------------

3
src/main/resources/locales/en-US.yml
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@ -322,6 +322,7 @@ challenges:
no-load: '&cError: Could not load challenges.yml. [message]'
load-error: '&cError: Cannot load [value].'
no-rank: "&cYou do not have rank to do that."
cannot-remove-items: '&cSome items cannot be removed from inventory!'
protection:
flags:
CHALLENGES_ISLAND_PROTECTION:
@ -331,4 +332,4 @@ protection:
description: "&5&oThis allows to enable/disable\n&5&orequirement for players to\n&5&obe on their island to\n&5&ocomplete a challenge."
name: "Challenges Island limitation"
hint: "No challenges outside island"
version: 9
version: 10