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

113 lines
5.5 KiB
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.util.Mth;
import net.minecraft.world.level.block.state.StateDefinition;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.level.block.entity.BlockEntity;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.level.Level;
import javax.annotation.Nullable;
import net.minecraft.world.item.BlockPlaceContext;
import net.minecraft.world.level.LevelReader;
import net.minecraft.core.BlockPos;
import net.minecraft.world.level.LevelAccessor;
import net.minecraft.core.Direction;
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.DoubleBlockHalf;
import net.minecraft.world.level.block.state.properties.EnumProperty;
public class DoublePlantBlock extends BushBlock {
public static final EnumProperty<DoubleBlockHalf> HALF;
public DoublePlantBlock(final Properties c) {
super(c);
this.registerDefaultState(((AbstractStateHolder<O, BlockState>)this.stateDefinition.any()).<DoubleBlockHalf, DoubleBlockHalf>setValue(DoublePlantBlock.HALF, DoubleBlockHalf.LOWER));
}
@Override
public BlockState updateShape(final BlockState byg1, final Direction fp, final BlockState byg3, final LevelAccessor bju, final BlockPos fk5, final BlockPos fk6) {
final DoubleBlockHalf bzd8 = byg1.<DoubleBlockHalf>getValue(DoublePlantBlock.HALF);
if (fp.getAxis() == Direction.Axis.Y && bzd8 == DoubleBlockHalf.LOWER == (fp == Direction.UP) && (byg3.getBlock() != this || byg3.<DoubleBlockHalf>getValue(DoublePlantBlock.HALF) == bzd8)) {
return Blocks.AIR.defaultBlockState();
}
if (bzd8 == DoubleBlockHalf.LOWER && fp == Direction.DOWN && !byg1.canSurvive(bju, fk5)) {
return Blocks.AIR.defaultBlockState();
}
return super.updateShape(byg1, fp, byg3, bju, fk5, fk6);
}
@Nullable
@Override
public BlockState getStateForPlacement(final BlockPlaceContext bcn) {
final BlockPos fk3 = bcn.getClickedPos();
if (fk3.getY() < 255 && bcn.getLevel().getBlockState(fk3.above()).canBeReplaced(bcn)) {
return super.getStateForPlacement(bcn);
}
return null;
}
@Override
public void setPlacedBy(final Level bjt, final BlockPos fk, final BlockState byg, final LivingEntity akw, final ItemStack bek) {
bjt.setBlock(fk.above(), ((AbstractStateHolder<O, BlockState>)this.defaultBlockState()).<DoubleBlockHalf, DoubleBlockHalf>setValue(DoublePlantBlock.HALF, DoubleBlockHalf.UPPER), 3);
}
@Override
public boolean canSurvive(final BlockState byg, final LevelReader bjw, final BlockPos fk) {
if (byg.<DoubleBlockHalf>getValue(DoublePlantBlock.HALF) == DoubleBlockHalf.UPPER) {
final BlockState byg2 = bjw.getBlockState(fk.below());
return byg2.getBlock() == this && byg2.<DoubleBlockHalf>getValue(DoublePlantBlock.HALF) == DoubleBlockHalf.LOWER;
}
return super.canSurvive(byg, bjw, fk);
}
public void placeAt(final LevelAccessor bju, final BlockPos fk, final int integer) {
bju.setBlock(fk, ((AbstractStateHolder<O, BlockState>)this.defaultBlockState()).<DoubleBlockHalf, DoubleBlockHalf>setValue(DoublePlantBlock.HALF, DoubleBlockHalf.LOWER), integer);
bju.setBlock(fk.above(), ((AbstractStateHolder<O, BlockState>)this.defaultBlockState()).<DoubleBlockHalf, DoubleBlockHalf>setValue(DoublePlantBlock.HALF, DoubleBlockHalf.UPPER), integer);
}
@Override
public void playerDestroy(final Level bjt, final Player ayg, final BlockPos fk, final BlockState byg, @Nullable final BlockEntity bwi, final ItemStack bek) {
super.playerDestroy(bjt, ayg, fk, Blocks.AIR.defaultBlockState(), bwi, bek);
}
@Override
public void playerWillDestroy(final Level bjt, final BlockPos fk, final BlockState byg, final Player ayg) {
final DoubleBlockHalf bzd6 = byg.<DoubleBlockHalf>getValue(DoublePlantBlock.HALF);
final BlockPos fk2 = (bzd6 == DoubleBlockHalf.LOWER) ? fk.above() : fk.below();
final BlockState byg2 = bjt.getBlockState(fk2);
if (byg2.getBlock() == this && byg2.<DoubleBlockHalf>getValue(DoublePlantBlock.HALF) != bzd6) {
bjt.setBlock(fk2, Blocks.AIR.defaultBlockState(), 35);
bjt.levelEvent(ayg, 2001, fk2, Block.getId(byg2));
if (!bjt.isClientSide && !ayg.isCreative()) {
Block.dropResources(byg, bjt, fk, null, ayg, ayg.getMainHandItem());
Block.dropResources(byg2, bjt, fk2, null, ayg, ayg.getMainHandItem());
}
}
super.playerWillDestroy(bjt, fk, byg, ayg);
}
@Override
protected void createBlockStateDefinition(final StateDefinition.Builder<Block, BlockState> a) {
a.add(DoublePlantBlock.HALF);
}
@Override
public OffsetType getOffsetType() {
return OffsetType.XZ;
}
@Override
public long getSeed(final BlockState byg, final BlockPos fk) {
return Mth.getSeed(fk.getX(), fk.below((int)((byg.<DoubleBlockHalf>getValue(DoublePlantBlock.HALF) != DoubleBlockHalf.LOWER) ? 1 : 0)).getY(), fk.getZ());
}
static {
HALF = BlockStateProperties.DOUBLE_BLOCK_HALF;
}
}