minecraft-source/src/net/minecraft/world/level/block/TntBlock.java

package net.minecraft.world.level.block;

import net.minecraft.world.level.block.state.AbstractStateHolder;
import net.minecraft.world.level.block.state.properties.BlockStateProperties;
import net.minecraft.world.level.block.state.StateDefinition;
import net.minecraft.world.entity.projectile.AbstractArrow;
import net.minecraft.world.item.Item;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.item.Items;
import net.minecraft.world.InteractionResult;
import net.minecraft.world.phys.BlockHitResult;
import net.minecraft.world.InteractionHand;
import net.minecraft.sounds.SoundSource;
import net.minecraft.sounds.SoundEvents;
import javax.annotation.Nullable;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.item.PrimedTnt;
import net.minecraft.world.level.Explosion;
import net.minecraft.world.entity.player.Player;
import net.minecraft.core.BlockPos;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.block.state.properties.Property;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.block.state.properties.BooleanProperty;

public class TntBlock extends Block {
    public static final BooleanProperty UNSTABLE;
    
    public TntBlock(final Properties c) {
        super(c);
        this.registerDefaultState(((AbstractStateHolder<O, BlockState>)this.defaultBlockState()).<Comparable, Boolean>setValue((Property<Comparable>)TntBlock.UNSTABLE, false));
    }
    
    @Override
    public void onPlace(final BlockState byg1, final Level bjt, final BlockPos fk, final BlockState byg4, final boolean boolean5) {
        if (byg4.getBlock() == byg1.getBlock()) {
            return;
        }
        if (bjt.hasNeighborSignal(fk)) {
            explode(bjt, fk);
            bjt.removeBlock(fk, false);
        }
    }
    
    @Override
    public void neighborChanged(final BlockState byg, final Level bjt, final BlockPos fk3, final Block bpe, final BlockPos fk5, final boolean boolean6) {
        if (bjt.hasNeighborSignal(fk3)) {
            explode(bjt, fk3);
            bjt.removeBlock(fk3, false);
        }
    }
    
    @Override
    public void playerWillDestroy(final Level bjt, final BlockPos fk, final BlockState byg, final Player ayg) {
        if (!bjt.isClientSide() && !ayg.isCreative() && byg.<Boolean>getValue((Property<Boolean>)TntBlock.UNSTABLE)) {
            explode(bjt, fk);
        }
        super.playerWillDestroy(bjt, fk, byg, ayg);
    }
    
    @Override
    public void wasExploded(final Level bjt, final BlockPos fk, final Explosion bjm) {
        if (bjt.isClientSide) {
            return;
        }
        final PrimedTnt avz5 = new PrimedTnt(bjt, fk.getX() + 0.5f, fk.getY(), fk.getZ() + 0.5f, bjm.getSourceMob());
        avz5.setFuse((short)(bjt.random.nextInt(avz5.getLife() / 4) + avz5.getLife() / 8));
        bjt.addFreshEntity(avz5);
    }
    
    public static void explode(final Level bjt, final BlockPos fk) {
        explode(bjt, fk, null);
    }
    
    private static void explode(final Level bjt, final BlockPos fk, @Nullable final LivingEntity akw) {
        if (bjt.isClientSide) {
            return;
        }
        final PrimedTnt avz4 = new PrimedTnt(bjt, fk.getX() + 0.5, fk.getY(), fk.getZ() + 0.5, akw);
        bjt.addFreshEntity(avz4);
        bjt.playSound(null, avz4.getX(), avz4.getY(), avz4.getZ(), SoundEvents.TNT_PRIMED, SoundSource.BLOCKS, 1.0f, 1.0f);
    }
    
    @Override
    public InteractionResult use(final BlockState byg, final Level bjt, final BlockPos fk, final Player ayg, final InteractionHand ajh, final BlockHitResult cvd) {
        final ItemStack bek8 = ayg.getItemInHand(ajh);
        final Item bef9 = bek8.getItem();
        if (bef9 == Items.FLINT_AND_STEEL || bef9 == Items.FIRE_CHARGE) {
            explode(bjt, fk, ayg);
            bjt.setBlock(fk, Blocks.AIR.defaultBlockState(), 11);
            if (!ayg.isCreative()) {
                if (bef9 == Items.FLINT_AND_STEEL) {
                    bek8.<Player>hurtAndBreak(1, ayg, ayg -> ayg.broadcastBreakEvent(ajh));
                }
                else {
                    bek8.shrink(1);
                }
            }
            return InteractionResult.SUCCESS;
        }
        return super.use(byg, bjt, fk, ayg, ajh, cvd);
    }
    
    @Override
    public void onProjectileHit(final Level bjt, final BlockState byg, final BlockHitResult cvd, final Entity akn) {
        if (!bjt.isClientSide && akn instanceof AbstractArrow) {
            final AbstractArrow ayk6 = (AbstractArrow)akn;
            final Entity akn2 = ayk6.getOwner();
            if (ayk6.isOnFire()) {
                final BlockPos fk8 = cvd.getBlockPos();
                explode(bjt, fk8, (akn2 instanceof LivingEntity) ? ((LivingEntity)akn2) : null);
                bjt.removeBlock(fk8, false);
            }
        }
    }
    
    @Override
    public boolean dropFromExplosion(final Explosion bjm) {
        return false;
    }
    
    @Override
    protected void createBlockStateDefinition(final StateDefinition.Builder<Block, BlockState> a) {
        a.add(TntBlock.UNSTABLE);
    }
    
    static {
        UNSTABLE = BlockStateProperties.UNSTABLE;
    }
}