253 lines
9.3 KiB
Java
253 lines
9.3 KiB
Java
package net.minecraft.world.level.block;
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import com.mojang.serialization.MapCodec;
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import java.util.Map;
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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.core.component.DataComponents;
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import net.minecraft.server.level.ServerLevel;
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import net.minecraft.sounds.SoundEvents;
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import net.minecraft.sounds.SoundSource;
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import net.minecraft.stats.Stats;
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import net.minecraft.tags.ItemTags;
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import net.minecraft.util.RandomSource;
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import net.minecraft.world.InteractionHand;
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import net.minecraft.world.InteractionResult;
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import net.minecraft.world.MenuProvider;
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import net.minecraft.world.entity.Entity;
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import net.minecraft.world.entity.LivingEntity;
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import net.minecraft.world.entity.player.Player;
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import net.minecraft.world.item.ItemStack;
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import net.minecraft.world.item.component.CustomData;
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import net.minecraft.world.item.context.BlockPlaceContext;
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import net.minecraft.world.level.BlockGetter;
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import net.minecraft.world.level.Level;
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import net.minecraft.world.level.block.entity.BlockEntity;
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import net.minecraft.world.level.block.entity.LecternBlockEntity;
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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.StateDefinition;
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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.BooleanProperty;
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import net.minecraft.world.level.block.state.properties.EnumProperty;
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import net.minecraft.world.level.gameevent.GameEvent;
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import net.minecraft.world.level.pathfinder.PathComputationType;
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import net.minecraft.world.level.redstone.ExperimentalRedstoneUtils;
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import net.minecraft.world.level.redstone.Orientation;
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import net.minecraft.world.phys.BlockHitResult;
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import net.minecraft.world.phys.shapes.CollisionContext;
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import net.minecraft.world.phys.shapes.Shapes;
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import net.minecraft.world.phys.shapes.VoxelShape;
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import org.jetbrains.annotations.Nullable;
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public class LecternBlock extends BaseEntityBlock {
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public static final MapCodec<LecternBlock> CODEC = simpleCodec(LecternBlock::new);
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public static final EnumProperty<Direction> FACING = HorizontalDirectionalBlock.FACING;
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public static final BooleanProperty POWERED = BlockStateProperties.POWERED;
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public static final BooleanProperty HAS_BOOK = BlockStateProperties.HAS_BOOK;
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private static final VoxelShape SHAPE_COLLISION = Shapes.or(Block.column(16.0, 0.0, 2.0), Block.column(8.0, 2.0, 14.0));
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private static final Map<Direction, VoxelShape> SHAPES = Shapes.rotateHorizontal(
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Shapes.or(
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Block.boxZ(16.0, 10.0, 14.0, 1.0, 5.333333), Block.boxZ(16.0, 12.0, 16.0, 5.333333, 9.666667), Block.boxZ(16.0, 14.0, 18.0, 9.666667, 14.0), SHAPE_COLLISION
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)
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);
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private static final int PAGE_CHANGE_IMPULSE_TICKS = 2;
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@Override
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public MapCodec<LecternBlock> codec() {
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return CODEC;
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}
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protected LecternBlock(BlockBehaviour.Properties properties) {
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super(properties);
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this.registerDefaultState(this.stateDefinition.any().setValue(FACING, Direction.NORTH).setValue(POWERED, false).setValue(HAS_BOOK, false));
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}
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@Override
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protected VoxelShape getOcclusionShape(BlockState state) {
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return SHAPE_COLLISION;
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}
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@Override
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protected boolean useShapeForLightOcclusion(BlockState state) {
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return true;
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}
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@Override
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public BlockState getStateForPlacement(BlockPlaceContext context) {
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Level level = context.getLevel();
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ItemStack itemStack = context.getItemInHand();
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Player player = context.getPlayer();
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boolean bl = false;
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if (!level.isClientSide && player != null && player.canUseGameMasterBlocks()) {
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CustomData customData = itemStack.getOrDefault(DataComponents.BLOCK_ENTITY_DATA, CustomData.EMPTY);
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if (customData.contains("Book")) {
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bl = true;
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}
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}
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return this.defaultBlockState().setValue(FACING, context.getHorizontalDirection().getOpposite()).setValue(HAS_BOOK, bl);
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}
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@Override
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protected VoxelShape getCollisionShape(BlockState state, BlockGetter level, BlockPos pos, CollisionContext context) {
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return SHAPE_COLLISION;
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}
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@Override
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protected VoxelShape getShape(BlockState state, BlockGetter level, BlockPos pos, CollisionContext context) {
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return (VoxelShape)SHAPES.get(state.getValue(FACING));
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}
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@Override
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protected BlockState rotate(BlockState state, Rotation rotation) {
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return state.setValue(FACING, rotation.rotate(state.getValue(FACING)));
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}
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@Override
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protected BlockState mirror(BlockState state, Mirror mirror) {
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return state.rotate(mirror.getRotation(state.getValue(FACING)));
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}
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@Override
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protected void createBlockStateDefinition(StateDefinition.Builder<Block, BlockState> builder) {
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builder.add(FACING, POWERED, HAS_BOOK);
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}
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@Override
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public BlockEntity newBlockEntity(BlockPos pos, BlockState state) {
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return new LecternBlockEntity(pos, state);
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}
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public static boolean tryPlaceBook(@Nullable LivingEntity entity, Level level, BlockPos pos, BlockState state, ItemStack stack) {
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if (!(Boolean)state.getValue(HAS_BOOK)) {
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if (!level.isClientSide) {
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placeBook(entity, level, pos, state, stack);
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}
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return true;
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} else {
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return false;
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}
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}
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private static void placeBook(@Nullable LivingEntity entity, Level level, BlockPos pos, BlockState state, ItemStack stack) {
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if (level.getBlockEntity(pos) instanceof LecternBlockEntity lecternBlockEntity) {
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lecternBlockEntity.setBook(stack.consumeAndReturn(1, entity));
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resetBookState(entity, level, pos, state, true);
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level.playSound(null, pos, SoundEvents.BOOK_PUT, SoundSource.BLOCKS, 1.0F, 1.0F);
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}
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}
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public static void resetBookState(@Nullable Entity entity, Level level, BlockPos pos, BlockState state, boolean hasBook) {
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BlockState blockState = state.setValue(POWERED, false).setValue(HAS_BOOK, hasBook);
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level.setBlock(pos, blockState, 3);
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level.gameEvent(GameEvent.BLOCK_CHANGE, pos, GameEvent.Context.of(entity, blockState));
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updateBelow(level, pos, state);
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}
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public static void signalPageChange(Level level, BlockPos pos, BlockState state) {
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changePowered(level, pos, state, true);
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level.scheduleTick(pos, state.getBlock(), 2);
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level.levelEvent(1043, pos, 0);
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}
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private static void changePowered(Level level, BlockPos pos, BlockState state, boolean powered) {
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level.setBlock(pos, state.setValue(POWERED, powered), 3);
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updateBelow(level, pos, state);
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}
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private static void updateBelow(Level level, BlockPos pos, BlockState state) {
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Orientation orientation = ExperimentalRedstoneUtils.initialOrientation(level, ((Direction)state.getValue(FACING)).getOpposite(), Direction.UP);
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level.updateNeighborsAt(pos.below(), state.getBlock(), orientation);
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}
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@Override
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protected void tick(BlockState state, ServerLevel level, BlockPos pos, RandomSource random) {
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changePowered(level, pos, state, false);
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}
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@Override
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protected void affectNeighborsAfterRemoval(BlockState state, ServerLevel level, BlockPos pos, boolean movedByPiston) {
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if ((Boolean)state.getValue(POWERED)) {
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updateBelow(level, pos, state);
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}
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}
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@Override
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protected boolean isSignalSource(BlockState state) {
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return true;
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}
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@Override
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protected int getSignal(BlockState state, BlockGetter level, BlockPos pos, Direction direction) {
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return state.getValue(POWERED) ? 15 : 0;
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}
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@Override
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protected int getDirectSignal(BlockState state, BlockGetter level, BlockPos pos, Direction direction) {
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return direction == Direction.UP && state.getValue(POWERED) ? 15 : 0;
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}
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@Override
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protected boolean hasAnalogOutputSignal(BlockState state) {
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return true;
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}
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@Override
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protected int getAnalogOutputSignal(BlockState state, Level level, BlockPos pos) {
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if ((Boolean)state.getValue(HAS_BOOK)) {
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BlockEntity blockEntity = level.getBlockEntity(pos);
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if (blockEntity instanceof LecternBlockEntity) {
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return ((LecternBlockEntity)blockEntity).getRedstoneSignal();
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}
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}
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return 0;
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}
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@Override
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protected InteractionResult useItemOn(
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ItemStack stack, BlockState state, Level level, BlockPos pos, Player player, InteractionHand hand, BlockHitResult hitResult
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) {
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if ((Boolean)state.getValue(HAS_BOOK)) {
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return InteractionResult.TRY_WITH_EMPTY_HAND;
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} else if (stack.is(ItemTags.LECTERN_BOOKS)) {
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return (InteractionResult)(tryPlaceBook(player, level, pos, state, stack) ? InteractionResult.SUCCESS : InteractionResult.PASS);
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} else {
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return (InteractionResult)(stack.isEmpty() && hand == InteractionHand.MAIN_HAND ? InteractionResult.PASS : InteractionResult.TRY_WITH_EMPTY_HAND);
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}
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}
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@Override
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protected InteractionResult useWithoutItem(BlockState state, Level level, BlockPos pos, Player player, BlockHitResult hitResult) {
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if ((Boolean)state.getValue(HAS_BOOK)) {
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if (!level.isClientSide) {
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this.openScreen(level, pos, player);
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}
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return InteractionResult.SUCCESS;
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} else {
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return InteractionResult.CONSUME;
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}
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}
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@Nullable
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@Override
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protected MenuProvider getMenuProvider(BlockState state, Level level, BlockPos pos) {
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return !state.getValue(HAS_BOOK) ? null : super.getMenuProvider(state, level, pos);
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}
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private void openScreen(Level level, BlockPos pos, Player player) {
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BlockEntity blockEntity = level.getBlockEntity(pos);
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if (blockEntity instanceof LecternBlockEntity) {
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player.openMenu((LecternBlockEntity)blockEntity);
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player.awardStat(Stats.INTERACT_WITH_LECTERN);
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}
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}
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@Override
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protected boolean isPathfindable(BlockState state, PathComputationType pathComputationType) {
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return false;
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}
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}
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