package net.minecraft.world.level.block; import com.mojang.serialization.MapCodec; import java.util.function.ToIntFunction; import net.minecraft.core.BlockPos; import net.minecraft.core.Direction; import net.minecraft.core.component.DataComponents; import net.minecraft.util.RandomSource; import net.minecraft.world.InteractionResult; import net.minecraft.world.entity.player.Player; import net.minecraft.world.item.ItemStack; import net.minecraft.world.item.Items; import net.minecraft.world.item.component.BlockItemStateProperties; import net.minecraft.world.level.BlockGetter; import net.minecraft.world.level.Level; import net.minecraft.world.level.LevelReader; import net.minecraft.world.level.ScheduledTickAccess; import net.minecraft.world.level.block.state.BlockBehaviour; import net.minecraft.world.level.block.state.BlockState; import net.minecraft.world.level.block.state.StateDefinition.Builder; 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.IntegerProperty; import net.minecraft.world.level.material.FluidState; import net.minecraft.world.level.material.Fluids; import net.minecraft.world.phys.BlockHitResult; import net.minecraft.world.phys.shapes.CollisionContext; import net.minecraft.world.phys.shapes.Shapes; import net.minecraft.world.phys.shapes.VoxelShape; public class LightBlock extends Block implements SimpleWaterloggedBlock { public static final MapCodec CODEC = simpleCodec(LightBlock::new); public static final int MAX_LEVEL = 15; public static final IntegerProperty LEVEL = BlockStateProperties.LEVEL; public static final BooleanProperty WATERLOGGED = BlockStateProperties.WATERLOGGED; public static final ToIntFunction LIGHT_EMISSION = blockState -> (Integer)blockState.getValue(LEVEL); @Override public MapCodec codec() { return CODEC; } public LightBlock(BlockBehaviour.Properties properties) { super(properties); this.registerDefaultState(this.stateDefinition.any().setValue(LEVEL, 15).setValue(WATERLOGGED, false)); } @Override protected void createBlockStateDefinition(Builder builder) { builder.add(LEVEL, WATERLOGGED); } @Override protected InteractionResult useWithoutItem(BlockState state, Level level, BlockPos pos, Player player, BlockHitResult hitResult) { if (!level.isClientSide && player.canUseGameMasterBlocks()) { level.setBlock(pos, state.cycle(LEVEL), 2); return InteractionResult.SUCCESS_SERVER; } else { return InteractionResult.CONSUME; } } @Override protected VoxelShape getShape(BlockState state, BlockGetter level, BlockPos pos, CollisionContext context) { return context.isHoldingItem(Items.LIGHT) ? Shapes.block() : Shapes.empty(); } @Override protected boolean propagatesSkylightDown(BlockState state) { return state.getFluidState().isEmpty(); } @Override protected RenderShape getRenderShape(BlockState state) { return RenderShape.INVISIBLE; } @Override protected float getShadeBrightness(BlockState state, BlockGetter level, BlockPos pos) { return 1.0F; } @Override protected BlockState updateShape( BlockState state, LevelReader level, ScheduledTickAccess scheduledTickAccess, BlockPos pos, Direction direction, BlockPos neighborPos, BlockState neighborState, RandomSource random ) { if ((Boolean)state.getValue(WATERLOGGED)) { scheduledTickAccess.scheduleTick(pos, Fluids.WATER, Fluids.WATER.getTickDelay(level)); } return super.updateShape(state, level, scheduledTickAccess, pos, direction, neighborPos, neighborState, random); } @Override protected FluidState getFluidState(BlockState state) { return state.getValue(WATERLOGGED) ? Fluids.WATER.getSource(false) : super.getFluidState(state); } @Override public ItemStack getCloneItemStack(LevelReader level, BlockPos pos, BlockState state) { return setLightOnStack(super.getCloneItemStack(level, pos, state), (Integer)state.getValue(LEVEL)); } public static ItemStack setLightOnStack(ItemStack stack, int light) { if (light != 15) { stack.set(DataComponents.BLOCK_STATE, BlockItemStateProperties.EMPTY.with(LEVEL, light)); } return stack; } }