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/*
* Copyright (c) 2018, 2019, 2020 shedaniel
* Licensed under the MIT License (the "License").
*/
package me.shedaniel.rei.impl;
import com.google.common.collect.Lists;
import com.google.common.collect.Queues;
import me.shedaniel.rei.api.ConfigObject;
import me.shedaniel.rei.api.EntryRegistry;
import me.shedaniel.rei.api.EntryStack;
import me.shedaniel.rei.api.RecipeHelper;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.util.DefaultedList;
import net.minecraft.util.Pair;
import org.jetbrains.annotations.ApiStatus;
import org.jetbrains.annotations.Nullable;
import java.util.*;
import java.util.concurrent.CopyOnWriteArrayList;
@ApiStatus.Internal
public class EntryRegistryImpl implements EntryRegistry {
private final CopyOnWriteArrayList<EntryStack> allEntries = Lists.newCopyOnWriteArrayList();
private final CopyOnWriteArrayList<EntryStack> entries = Lists.newCopyOnWriteArrayList();
private final Queue<Pair<EntryStack, Collection<? extends EntryStack>>> queueRegisterEntryStackAfter = Queues.newConcurrentLinkedQueue();
private List<EntryStack> reloadList;
private boolean doingDistinct = false;
public void distinct() {
doingDistinct = true;
TreeSet<EntryStack> set = new TreeSet<>((i, j) -> i.equalsAll(j) ? 0 : 1);
set.addAll(reloadList);
entries.clear();
entries.addAll(set);
entries.removeIf(EntryStack::isEmpty);
reloadList.clear();
while (true) {
Pair<EntryStack, Collection<? extends EntryStack>> pair = queueRegisterEntryStackAfter.poll();
if (pair == null)
break;
registerEntriesAfter(pair.getLeft(), pair.getRight());
}
set.clear();
set.addAll(entries);
set.removeIf(EntryStack::isEmpty);
entries.clear();
entries.addAll(set);
set.clear();
doingDistinct = false;
}
@Override
public List<EntryStack> getStacksList() {
return RecipeHelper.getInstance().arePluginsLoading() && !doingDistinct ? reloadList : entries;
}
public void reset() {
doingDistinct = false;
reloadList = Lists.newArrayList();
queueRegisterEntryStackAfter.clear();
entries.clear();
reloadList.clear();
}
@Override
public List<ItemStack> appendStacksForItem(Item item) {
DefaultedList<ItemStack> list = new DefaultedLinkedList<>(Lists.newLinkedList(), null);
item.appendStacks(item.getGroup(), list);
if (list.isEmpty())
list.add(item.getStackForRender());
return list;
}
@Override
public ItemStack[] getAllStacksFromItem(Item item) {
List<ItemStack> list = appendStacksForItem(item);
ItemStack[] array = list.toArray(new ItemStack[0]);
Arrays.sort(array, (a, b) -> ItemStack.areEqualIgnoreDamage(a, b) ? 0 : 1);
return array;
}
@Override
@Deprecated
@ApiStatus.Internal
public void registerEntryAfter(EntryStack afterEntry, EntryStack stack, boolean checkAlreadyContains) {
if (stack.isEmpty())
return;
if (afterEntry == null) {
getStacksList().add(stack);
} else {
int last = getStacksList().size();
for (int i = last - 1; i >= 0; i--)
if (getStacksList().get(i).equalsAll(afterEntry)) {
last = i + 1;
break;
}
getStacksList().add(last, stack);
}
}
@Override
public void queueRegisterEntryAfter(EntryStack afterEntry, Collection<? extends EntryStack> stacks) {
if (RecipeHelper.getInstance().arePluginsLoading()) {
queueRegisterEntryStackAfter.add(new Pair<>(afterEntry, stacks));
} else {
registerEntriesAfter(afterEntry, stacks);
}
}
@Override
public void registerEntriesAfter(EntryStack afterStack, Collection<? extends EntryStack> stacks) {
if (afterStack != null) {
int index = getStacksList().size();
for (int i = index - 1; i >= 0; i--) {
if (getStacksList().get(i).equalsAll(afterStack)) {
index = i + 1;
break;
}
}
getStacksList().addAll(index, stacks);
} else
getStacksList().addAll(stacks);
}
private static class DefaultedLinkedList<E> extends DefaultedList<E> {
public DefaultedLinkedList(List<E> delegate, @Nullable E initialElement) {
super(delegate, initialElement);
}
}
}
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