package net.minecraft.world.level.redstone; import java.util.Locale; import net.minecraft.CrashReport; import net.minecraft.CrashReportCategory; import net.minecraft.CrashReportDetail; import net.minecraft.ReportedException; import net.minecraft.core.BlockPos; import net.minecraft.core.Direction; import net.minecraft.core.registries.BuiltInRegistries; import net.minecraft.world.level.Level; import net.minecraft.world.level.LevelAccessor; import net.minecraft.world.level.block.Block; import net.minecraft.world.level.block.Blocks; import net.minecraft.world.level.block.state.BlockState; import org.jetbrains.annotations.Nullable; public interface NeighborUpdater { Direction[] UPDATE_ORDER = new Direction[]{Direction.WEST, Direction.EAST, Direction.DOWN, Direction.UP, Direction.NORTH, Direction.SOUTH}; void shapeUpdate(Direction direction, BlockState state, BlockPos pos, BlockPos neighborPos, int flags, int recursionLevel); void neighborChanged(BlockPos pos, Block neighborBlock, @Nullable Orientation orientation); void neighborChanged(BlockState state, BlockPos pos, Block neighborBlock, @Nullable Orientation orientation, boolean movedByPiston); default void updateNeighborsAtExceptFromFacing(BlockPos pos, Block block, @Nullable Direction facing, @Nullable Orientation orientation) { for (Direction direction : UPDATE_ORDER) { if (direction != facing) { this.neighborChanged(pos.relative(direction), block, null); } } } static void executeShapeUpdate( LevelAccessor level, Direction direction, BlockPos pos, BlockPos neighborPos, BlockState neighborState, int flags, int recursionLeft ) { BlockState blockState = level.getBlockState(pos); if ((flags & 128) == 0 || !blockState.is(Blocks.REDSTONE_WIRE)) { BlockState blockState2 = blockState.updateShape(level, level, pos, direction, neighborPos, neighborState, level.getRandom()); Block.updateOrDestroy(blockState, blockState2, level, pos, flags, recursionLeft); } } static void executeUpdate(Level level, BlockState state, BlockPos pos, Block neighborBlock, @Nullable Orientation orientation, boolean movedByPiston) { try { state.handleNeighborChanged(level, pos, neighborBlock, orientation, movedByPiston); } catch (Throwable var9) { CrashReport crashReport = CrashReport.forThrowable(var9, "Exception while updating neighbours"); CrashReportCategory crashReportCategory = crashReport.addCategory("Block being updated"); crashReportCategory.setDetail( "Source block type", (CrashReportDetail)(() -> { try { return String.format( Locale.ROOT, "ID #%s (%s // %s)", BuiltInRegistries.BLOCK.getKey(neighborBlock), neighborBlock.getDescriptionId(), neighborBlock.getClass().getCanonicalName() ); } catch (Throwable var2) { return "ID #" + BuiltInRegistries.BLOCK.getKey(neighborBlock); } }) ); CrashReportCategory.populateBlockDetails(crashReportCategory, level, pos, state); throw new ReportedException(crashReport); } } }