minecraft-source/src/net/minecraft/world/level/block/FaceAttachedHorizontalDirec...

78 lines
3.4 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.world.level.LevelAccessor;
import javax.annotation.Nullable;
import net.minecraft.world.level.block.state.properties.Property;
import net.minecraft.world.item.BlockPlaceContext;
import net.minecraft.world.level.BlockGetter;
import net.minecraft.core.Direction;
import net.minecraft.core.BlockPos;
import net.minecraft.world.level.LevelReader;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.block.state.properties.AttachFace;
import net.minecraft.world.level.block.state.properties.EnumProperty;
public class FaceAttachedHorizontalDirectionalBlock extends HorizontalDirectionalBlock {
public static final EnumProperty<AttachFace> FACE;
protected FaceAttachedHorizontalDirectionalBlock(final Properties c) {
super(c);
}
@Override
public boolean canSurvive(final BlockState byg, final LevelReader bjw, final BlockPos fk) {
return canAttach(bjw, fk, getConnectedDirection(byg).getOpposite());
}
public static boolean canAttach(final LevelReader bjw, final BlockPos fk, final Direction fp) {
final BlockPos fk2 = fk.relative(fp);
return bjw.getBlockState(fk2).isFaceSturdy(bjw, fk2, fp.getOpposite());
}
@Nullable
@Override
public BlockState getStateForPlacement(final BlockPlaceContext bcn) {
for (final Direction fp6 : bcn.getNearestLookingDirections()) {
BlockState byg7;
if (fp6.getAxis() == Direction.Axis.Y) {
byg7 = (((AbstractStateHolder<O, BlockState>)this.defaultBlockState()).setValue(FaceAttachedHorizontalDirectionalBlock.FACE, (fp6 == Direction.UP) ? AttachFace.CEILING : AttachFace.FLOOR)).<Comparable, Direction>setValue((Property<Comparable>)FaceAttachedHorizontalDirectionalBlock.FACING, bcn.getHorizontalDirection());
}
else {
byg7 = (((AbstractStateHolder<O, BlockState>)this.defaultBlockState()).setValue(FaceAttachedHorizontalDirectionalBlock.FACE, AttachFace.WALL)).<Comparable, Direction>setValue((Property<Comparable>)FaceAttachedHorizontalDirectionalBlock.FACING, fp6.getOpposite());
}
if (byg7.canSurvive(bcn.getLevel(), bcn.getClickedPos())) {
return byg7;
}
}
return null;
}
@Override
public BlockState updateShape(final BlockState byg1, final Direction fp, final BlockState byg3, final LevelAccessor bju, final BlockPos fk5, final BlockPos fk6) {
if (getConnectedDirection(byg1).getOpposite() == fp && !byg1.canSurvive(bju, fk5)) {
return Blocks.AIR.defaultBlockState();
}
return super.updateShape(byg1, fp, byg3, bju, fk5, fk6);
}
protected static Direction getConnectedDirection(final BlockState byg) {
switch (byg.<AttachFace>getValue(FaceAttachedHorizontalDirectionalBlock.FACE)) {
case CEILING: {
return Direction.DOWN;
}
case FLOOR: {
return Direction.UP;
}
default: {
return byg.<Direction>getValue((Property<Direction>)FaceAttachedHorizontalDirectionalBlock.FACING);
}
}
}
static {
FACE = BlockStateProperties.ATTACH_FACE;
}
}