MrZhang21626

I made a block like wire, when its neighbor block changed, its properties should be changed. But the function "blockstate.setValue()" doesn't work. Block definition code: package indi.mrzhang21626.moderntech.blocks; import com.google.common.collect.Maps; import indi.mrzhang21626.moderntech.blockentities.BaseWireBlockEntity; import indi.mrzhang21626.moderntech.registries.BlockRegister; import net.minecraft.core.BlockPos; import net.minecraft.core.Direction; import net.minecraft.world.item.context.BlockPlaceContext; import net.minecraft.world.level.Level; import net.minecraft.world.level.LevelReader; import net.minecraft.world.level.block.BaseEntityBlock; import net.minecraft.world.level.block.Block; import net.minecraft.world.level.block.entity.BlockEntity; import net.minecraft.world.level.block.state.BlockState; import net.minecraft.world.level.block.state.StateDefinition; import net.minecraft.world.level.block.state.properties.BlockStateProperties; import net.minecraft.world.level.block.state.properties.BooleanProperty; import net.minecraft.world.level.block.state.properties.Property; import net.minecraft.world.level.material.Material; import net.minecraftforge.energy.CapabilityEnergy; import org.jetbrains.annotations.Nullable; import java.util.Collections; import java.util.Map; public class BaseWireBlock extends BaseEntityBlock { public static final Map<Direction, BooleanProperty> PROPERTY_MAP; static { Map<Direction, BooleanProperty> map = Maps.newEnumMap(Direction.class); map.put(Direction.NORTH, BlockStateProperties.NORTH); map.put(Direction.EAST, BlockStateProperties.EAST); map.put(Direction.SOUTH, BlockStateProperties.SOUTH); map.put(Direction.WEST, BlockStateProperties.WEST); map.put(Direction.UP, BlockStateProperties.UP); map.put(Direction.DOWN, BlockStateProperties.DOWN); PROPERTY_MAP = Collections.unmodifiableMap(map); } public BaseWireBlock(Properties properties) { super(properties); } public BaseWireBlock(Material material, float hardness) { super(Properties.of(material).strength(hardness)); } @Override protected void createBlockStateDefinition(StateDefinition.Builder<Block, BlockState> builder) { builder.add(PROPERTY_MAP.values().toArray(new Property<?>[0])); super.createBlockStateDefinition(builder); } @Nullable @Override public BlockState getStateForPlacement(BlockPlaceContext context) { BlockState state = this.defaultBlockState(); for (var facing : Direction.values()) { var level = context.getLevel(); var facingPos = context.getClickedPos().offset(facing.getNormal()); var facingState = level.getBlockState(facingPos); state = state.setValue(PROPERTY_MAP.get(facing), this.canConnect(level, facing.getOpposite(), facingPos, facingState)); } return state; } @Override public void neighborChanged(BlockState state, Level level, BlockPos pos, Block neighborBlock, BlockPos neighborPos, boolean isMoving) { Direction side = Direction.getNearest(neighborPos.getX() - pos.getX(), neighborPos.getY() - pos.getY(), neighborPos.getZ() - pos.getZ()); var neighborState = level.getBlockState(neighborPos); state.setValue(PROPERTY_MAP.get(side), this.canConnect(level, side.getOpposite(), neighborPos, neighborState)); } @Override public void onNeighborChange(BlockState state, LevelReader level, BlockPos pos, BlockPos neighborPos) { Direction side = Direction.getNearest(neighborPos.getX() - pos.getX(), neighborPos.getY() - pos.getY(), neighborPos.getZ() - pos.getZ()); var neighborState = level.getBlockState(neighborPos); state.setValue(PROPERTY_MAP.get(side), this.canConnect(level, side.getOpposite(), neighborPos, neighborState)); } private boolean canConnect(Level level, Direction facing, BlockPos pos, BlockState state) { var blockEntity = level.getBlockEntity(pos); if (state.getBlock().equals(BlockRegister.TEST_WIRE_BLOCK.get())) return true; return blockEntity != null && blockEntity.getCapability(CapabilityEnergy.ENERGY, facing).isPresent(); } private boolean canConnect(LevelReader level, Direction facing, BlockPos pos, BlockState state) { var blockEntity = level.getBlockEntity(pos); if (state.getBlock().equals(BlockRegister.TEST_WIRE_BLOCK.get())) return true; return blockEntity != null && blockEntity.getCapability(CapabilityEnergy.ENERGY, facing).isPresent(); } @Nullable @Override public BlockEntity newBlockEntity(BlockPos p_153215_, BlockState p_153216_) { return new BaseWireBlockEntity(p_153215_, p_153216_); } }