53 lines
2.1 KiB
Java
53 lines
2.1 KiB
Java
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package net.minecraft.world.item;
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import java.util.Map;
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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.world.item.context.BlockPlaceContext;
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import net.minecraft.world.level.LevelReader;
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import net.minecraft.world.level.block.Block;
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import net.minecraft.world.level.block.state.BlockState;
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import net.minecraft.world.phys.shapes.CollisionContext;
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public class StandingAndWallBlockItem extends BlockItem {
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protected final Block wallBlock;
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private final Direction attachmentDirection;
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public StandingAndWallBlockItem(Block p_248873_, Block p_251044_, Direction p_250800_, Item.Properties p_249308_) {
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super(p_248873_, p_249308_);
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this.wallBlock = p_251044_;
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this.attachmentDirection = p_250800_;
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}
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protected boolean canPlace(LevelReader p_250350_, BlockState p_249311_, BlockPos p_250328_) {
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return p_249311_.canSurvive(p_250350_, p_250328_);
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}
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@Nullable
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@Override
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protected BlockState getPlacementState(BlockPlaceContext p_43255_) {
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BlockState blockstate = this.wallBlock.getStateForPlacement(p_43255_);
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BlockState blockstate1 = null;
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LevelReader levelreader = p_43255_.getLevel();
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BlockPos blockpos = p_43255_.getClickedPos();
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for (Direction direction : p_43255_.getNearestLookingDirections()) {
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if (direction != this.attachmentDirection.getOpposite()) {
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BlockState blockstate2 = direction == this.attachmentDirection ? this.getBlock().getStateForPlacement(p_43255_) : blockstate;
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if (blockstate2 != null && this.canPlace(levelreader, blockstate2, blockpos)) {
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blockstate1 = blockstate2;
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break;
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}
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}
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}
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return blockstate1 != null && levelreader.isUnobstructed(blockstate1, blockpos, CollisionContext.empty()) ? blockstate1 : null;
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}
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@Override
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public void registerBlocks(Map<Block, Item> p_43252_, Item p_43253_) {
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super.registerBlocks(p_43252_, p_43253_);
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p_43252_.put(this.wallBlock, p_43253_);
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}
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}
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