84 lines
3.3 KiB
Java
84 lines
3.3 KiB
Java
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package net.minecraft.world.level.block;
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import com.mojang.serialization.MapCodec;
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import javax.annotation.Nullable;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.Direction;
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import net.minecraft.util.RandomSource;
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import net.minecraft.world.item.context.BlockPlaceContext;
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import net.minecraft.world.level.LevelReader;
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import net.minecraft.world.level.ScheduledTickAccess;
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import net.minecraft.world.level.block.state.BlockBehaviour;
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import net.minecraft.world.level.block.state.BlockState;
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import net.minecraft.world.level.block.state.properties.AttachFace;
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import net.minecraft.world.level.block.state.properties.BlockStateProperties;
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import net.minecraft.world.level.block.state.properties.EnumProperty;
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public abstract class FaceAttachedHorizontalDirectionalBlock extends HorizontalDirectionalBlock {
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public static final EnumProperty<AttachFace> FACE = BlockStateProperties.ATTACH_FACE;
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protected FaceAttachedHorizontalDirectionalBlock(BlockBehaviour.Properties p_53182_) {
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super(p_53182_);
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}
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@Override
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protected abstract MapCodec<? extends FaceAttachedHorizontalDirectionalBlock> codec();
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@Override
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protected boolean canSurvive(BlockState p_53186_, LevelReader p_53187_, BlockPos p_53188_) {
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return canAttach(p_53187_, p_53188_, getConnectedDirection(p_53186_).getOpposite());
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}
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public static boolean canAttach(LevelReader p_53197_, BlockPos p_53198_, Direction p_53199_) {
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BlockPos blockpos = p_53198_.relative(p_53199_);
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return p_53197_.getBlockState(blockpos).isFaceSturdy(p_53197_, blockpos, p_53199_.getOpposite());
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}
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@Nullable
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@Override
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public BlockState getStateForPlacement(BlockPlaceContext p_53184_) {
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for (Direction direction : p_53184_.getNearestLookingDirections()) {
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BlockState blockstate;
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if (direction.getAxis() == Direction.Axis.Y) {
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blockstate = this.defaultBlockState()
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.setValue(FACE, direction == Direction.UP ? AttachFace.CEILING : AttachFace.FLOOR)
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.setValue(FACING, p_53184_.getHorizontalDirection());
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} else {
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blockstate = this.defaultBlockState().setValue(FACE, AttachFace.WALL).setValue(FACING, direction.getOpposite());
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}
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if (blockstate.canSurvive(p_53184_.getLevel(), p_53184_.getClickedPos())) {
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return blockstate;
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}
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}
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return null;
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}
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@Override
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protected BlockState updateShape(
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BlockState p_53190_,
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LevelReader p_364911_,
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ScheduledTickAccess p_364531_,
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BlockPos p_53194_,
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Direction p_53191_,
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BlockPos p_53195_,
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BlockState p_53192_,
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RandomSource p_369112_
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) {
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return getConnectedDirection(p_53190_).getOpposite() == p_53191_ && !p_53190_.canSurvive(p_364911_, p_53194_)
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? Blocks.AIR.defaultBlockState()
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: super.updateShape(p_53190_, p_364911_, p_364531_, p_53194_, p_53191_, p_53195_, p_53192_, p_369112_);
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}
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protected static Direction getConnectedDirection(BlockState p_53201_) {
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switch ((AttachFace)p_53201_.getValue(FACE)) {
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case CEILING:
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return Direction.DOWN;
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case FLOOR:
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return Direction.UP;
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default:
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return p_53201_.getValue(FACING);
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}
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}
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}
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