minecraft-src/net/minecraft/world/entity/vehicle/MinecartHopper.java
2025-07-04 03:45:38 +03:00

149 lines
3.7 KiB
Java

package net.minecraft.world.entity.vehicle;
import net.minecraft.core.BlockPos;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.world.entity.EntitySelector;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.entity.item.ItemEntity;
import net.minecraft.world.entity.player.Inventory;
import net.minecraft.world.inventory.AbstractContainerMenu;
import net.minecraft.world.inventory.HopperMenu;
import net.minecraft.world.item.Item;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.item.Items;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.block.Blocks;
import net.minecraft.world.level.block.entity.Hopper;
import net.minecraft.world.level.block.entity.HopperBlockEntity;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.block.state.properties.RailShape;
public class MinecartHopper extends AbstractMinecartContainer implements Hopper {
private static final boolean DEFAULT_ENABLED = true;
private boolean enabled = true;
private boolean consumedItemThisFrame = false;
public MinecartHopper(EntityType<? extends MinecartHopper> entityType, Level level) {
super(entityType, level);
}
@Override
public BlockState getDefaultDisplayBlockState() {
return Blocks.HOPPER.defaultBlockState();
}
@Override
public int getDefaultDisplayOffset() {
return 1;
}
@Override
public int getContainerSize() {
return 5;
}
@Override
public void activateMinecart(int x, int y, int z, boolean powered) {
boolean bl = !powered;
if (bl != this.isEnabled()) {
this.setEnabled(bl);
}
}
/**
* Get whether this hopper minecart is being blocked by an activator rail.
*/
public boolean isEnabled() {
return this.enabled;
}
/**
* Set whether this hopper minecart is being blocked by an activator rail.
*/
public void setEnabled(boolean enabled) {
this.enabled = enabled;
}
@Override
public double getLevelX() {
return this.getX();
}
@Override
public double getLevelY() {
return this.getY() + 0.5;
}
@Override
public double getLevelZ() {
return this.getZ();
}
@Override
public boolean isGridAligned() {
return false;
}
@Override
public void tick() {
this.consumedItemThisFrame = false;
super.tick();
this.tryConsumeItems();
}
@Override
protected double makeStepAlongTrack(BlockPos pos, RailShape railShape, double speed) {
double d = super.makeStepAlongTrack(pos, railShape, speed);
this.tryConsumeItems();
return d;
}
private void tryConsumeItems() {
if (!this.level().isClientSide && this.isAlive() && this.isEnabled() && !this.consumedItemThisFrame && this.suckInItems()) {
this.consumedItemThisFrame = true;
this.setChanged();
}
}
public boolean suckInItems() {
if (HopperBlockEntity.suckInItems(this.level(), this)) {
return true;
} else {
for (ItemEntity itemEntity : this.level()
.getEntitiesOfClass(ItemEntity.class, this.getBoundingBox().inflate(0.25, 0.0, 0.25), EntitySelector.ENTITY_STILL_ALIVE)) {
if (HopperBlockEntity.addItem(this, itemEntity)) {
return true;
}
}
return false;
}
}
@Override
protected Item getDropItem() {
return Items.HOPPER_MINECART;
}
@Override
public ItemStack getPickResult() {
return new ItemStack(Items.HOPPER_MINECART);
}
@Override
protected void addAdditionalSaveData(CompoundTag tag) {
super.addAdditionalSaveData(tag);
tag.putBoolean("Enabled", this.enabled);
}
@Override
protected void readAdditionalSaveData(CompoundTag tag) {
super.readAdditionalSaveData(tag);
this.enabled = tag.getBooleanOr("Enabled", true);
}
@Override
public AbstractContainerMenu createMenu(int containerId, Inventory playerInventory) {
return new HopperMenu(containerId, playerInventory, this);
}
}