minecraft-src/net/minecraft/advancements/critereon/InventoryChangeTrigger.java
2025-07-04 03:45:38 +03:00

105 lines
4 KiB
Java

package net.minecraft.advancements.critereon;
import com.mojang.serialization.Codec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import it.unimi.dsi.fastutil.objects.ObjectArrayList;
import java.util.List;
import java.util.Optional;
import java.util.stream.Stream;
import net.minecraft.advancements.CriteriaTriggers;
import net.minecraft.advancements.Criterion;
import net.minecraft.advancements.critereon.InventoryChangeTrigger.TriggerInstance.Slots;
import net.minecraft.advancements.critereon.SimpleCriterionTrigger.SimpleInstance;
import net.minecraft.core.HolderSet;
import net.minecraft.server.level.ServerPlayer;
import net.minecraft.world.entity.player.Inventory;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.level.ItemLike;
public class InventoryChangeTrigger extends SimpleCriterionTrigger<InventoryChangeTrigger.TriggerInstance> {
@Override
public Codec<InventoryChangeTrigger.TriggerInstance> codec() {
return InventoryChangeTrigger.TriggerInstance.CODEC;
}
public void trigger(ServerPlayer player, Inventory inventory, ItemStack stack) {
int i = 0;
int j = 0;
int k = 0;
for (int l = 0; l < inventory.getContainerSize(); l++) {
ItemStack itemStack = inventory.getItem(l);
if (itemStack.isEmpty()) {
j++;
} else {
k++;
if (itemStack.getCount() >= itemStack.getMaxStackSize()) {
i++;
}
}
}
this.trigger(player, inventory, stack, i, j, k);
}
private void trigger(ServerPlayer player, Inventory inventory, ItemStack stack, int full, int empty, int occupied) {
this.trigger(player, triggerInstance -> triggerInstance.matches(inventory, stack, full, empty, occupied));
}
public record TriggerInstance(Optional<ContextAwarePredicate> player, Slots slots, List<ItemPredicate> items) implements SimpleInstance {
public static final Codec<InventoryChangeTrigger.TriggerInstance> CODEC = RecordCodecBuilder.create(
instance -> instance.group(
EntityPredicate.ADVANCEMENT_CODEC.optionalFieldOf("player").forGetter(InventoryChangeTrigger.TriggerInstance::player),
Slots.CODEC.optionalFieldOf("slots", Slots.ANY).forGetter(InventoryChangeTrigger.TriggerInstance::slots),
ItemPredicate.CODEC.listOf().optionalFieldOf("items", List.of()).forGetter(InventoryChangeTrigger.TriggerInstance::items)
)
.apply(instance, InventoryChangeTrigger.TriggerInstance::new)
);
public static Criterion<InventoryChangeTrigger.TriggerInstance> hasItems(ItemPredicate.Builder... items) {
return hasItems((ItemPredicate[])Stream.of(items).map(ItemPredicate.Builder::build).toArray(ItemPredicate[]::new));
}
public static Criterion<InventoryChangeTrigger.TriggerInstance> hasItems(ItemPredicate... items) {
return CriteriaTriggers.INVENTORY_CHANGED.createCriterion(new InventoryChangeTrigger.TriggerInstance(Optional.empty(), Slots.ANY, List.of(items)));
}
public static Criterion<InventoryChangeTrigger.TriggerInstance> hasItems(ItemLike... items) {
ItemPredicate[] itemPredicates = new ItemPredicate[items.length];
for (int i = 0; i < items.length; i++) {
itemPredicates[i] = new ItemPredicate(
Optional.of(HolderSet.direct(items[i].asItem().builtInRegistryHolder())), MinMaxBounds.Ints.ANY, DataComponentMatchers.ANY
);
}
return hasItems(itemPredicates);
}
public boolean matches(Inventory inventory, ItemStack stack, int full, int empty, int occupied) {
if (!this.slots.matches(full, empty, occupied)) {
return false;
} else if (this.items.isEmpty()) {
return true;
} else if (this.items.size() != 1) {
List<ItemPredicate> list = new ObjectArrayList<>(this.items);
int i = inventory.getContainerSize();
for (int j = 0; j < i; j++) {
if (list.isEmpty()) {
return true;
}
ItemStack itemStack = inventory.getItem(j);
if (!itemStack.isEmpty()) {
list.removeIf(itemPredicate -> itemPredicate.test(itemStack));
}
}
return list.isEmpty();
} else {
return !stack.isEmpty() && ((ItemPredicate)this.items.get(0)).test(stack);
}
}
}
}