239 lines
8.8 KiB
Java
239 lines
8.8 KiB
Java
package net.minecraft.world.level.block;
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import com.mojang.serialization.MapCodec;
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import com.mojang.serialization.codecs.RecordCodecBuilder;
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import java.util.List;
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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.registries.BuiltInRegistries;
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import net.minecraft.server.level.ServerLevel;
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import net.minecraft.util.RandomSource;
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import net.minecraft.world.entity.Entity;
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import net.minecraft.world.entity.InsideBlockEffectApplier;
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import net.minecraft.world.entity.player.Player;
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import net.minecraft.world.item.Items;
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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.LevelReader;
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import net.minecraft.world.level.ScheduledTickAccess;
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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.Property;
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import net.minecraft.world.level.gameevent.GameEvent;
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import net.minecraft.world.phys.shapes.CollisionContext;
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import net.minecraft.world.phys.shapes.VoxelShape;
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public class TripWireBlock extends Block {
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public static final MapCodec<TripWireBlock> CODEC = RecordCodecBuilder.mapCodec(
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instance -> instance.group(BuiltInRegistries.BLOCK.byNameCodec().fieldOf("hook").forGetter(tripWireBlock -> tripWireBlock.hook), propertiesCodec())
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.apply(instance, TripWireBlock::new)
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);
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public static final BooleanProperty POWERED = BlockStateProperties.POWERED;
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public static final BooleanProperty ATTACHED = BlockStateProperties.ATTACHED;
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public static final BooleanProperty DISARMED = BlockStateProperties.DISARMED;
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public static final BooleanProperty NORTH = PipeBlock.NORTH;
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public static final BooleanProperty EAST = PipeBlock.EAST;
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public static final BooleanProperty SOUTH = PipeBlock.SOUTH;
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public static final BooleanProperty WEST = PipeBlock.WEST;
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private static final Map<Direction, BooleanProperty> PROPERTY_BY_DIRECTION = CrossCollisionBlock.PROPERTY_BY_DIRECTION;
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private static final VoxelShape SHAPE_ATTACHED = Block.column(16.0, 1.0, 2.5);
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private static final VoxelShape SHAPE_NOT_ATTACHED = Block.column(16.0, 0.0, 8.0);
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private static final int RECHECK_PERIOD = 10;
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private final Block hook;
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@Override
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public MapCodec<TripWireBlock> codec() {
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return CODEC;
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}
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public TripWireBlock(Block hook, BlockBehaviour.Properties properties) {
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super(properties);
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this.registerDefaultState(
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this.stateDefinition
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.any()
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.setValue(POWERED, false)
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.setValue(ATTACHED, false)
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.setValue(DISARMED, false)
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.setValue(NORTH, false)
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.setValue(EAST, false)
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.setValue(SOUTH, false)
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.setValue(WEST, false)
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);
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this.hook = hook;
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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 state.getValue(ATTACHED) ? SHAPE_ATTACHED : SHAPE_NOT_ATTACHED;
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}
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@Override
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public BlockState getStateForPlacement(BlockPlaceContext context) {
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BlockGetter blockGetter = context.getLevel();
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BlockPos blockPos = context.getClickedPos();
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return this.defaultBlockState()
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.setValue(NORTH, this.shouldConnectTo(blockGetter.getBlockState(blockPos.north()), Direction.NORTH))
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.setValue(EAST, this.shouldConnectTo(blockGetter.getBlockState(blockPos.east()), Direction.EAST))
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.setValue(SOUTH, this.shouldConnectTo(blockGetter.getBlockState(blockPos.south()), Direction.SOUTH))
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.setValue(WEST, this.shouldConnectTo(blockGetter.getBlockState(blockPos.west()), Direction.WEST));
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}
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@Override
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protected BlockState updateShape(
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BlockState state,
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LevelReader level,
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ScheduledTickAccess scheduledTickAccess,
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BlockPos pos,
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Direction direction,
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BlockPos neighborPos,
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BlockState neighborState,
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RandomSource random
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) {
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return direction.getAxis().isHorizontal()
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? state.setValue((Property)PROPERTY_BY_DIRECTION.get(direction), this.shouldConnectTo(neighborState, direction))
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: super.updateShape(state, level, scheduledTickAccess, pos, direction, neighborPos, neighborState, random);
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}
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@Override
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protected void onPlace(BlockState state, Level level, BlockPos pos, BlockState oldState, boolean movedByPiston) {
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if (!oldState.is(state.getBlock())) {
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this.updateSource(level, pos, state);
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}
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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 (!movedByPiston) {
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this.updateSource(level, pos, state.setValue(POWERED, true));
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}
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}
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@Override
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public BlockState playerWillDestroy(Level level, BlockPos pos, BlockState state, Player player) {
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if (!level.isClientSide && !player.getMainHandItem().isEmpty() && player.getMainHandItem().is(Items.SHEARS)) {
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level.setBlock(pos, state.setValue(DISARMED, true), 260);
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level.gameEvent(player, GameEvent.SHEAR, pos);
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}
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return super.playerWillDestroy(level, pos, state, player);
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}
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private void updateSource(Level level, BlockPos pos, BlockState state) {
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for (Direction direction : new Direction[]{Direction.SOUTH, Direction.WEST}) {
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for (int i = 1; i < 42; i++) {
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BlockPos blockPos = pos.relative(direction, i);
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BlockState blockState = level.getBlockState(blockPos);
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if (blockState.is(this.hook)) {
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if (blockState.getValue(TripWireHookBlock.FACING) == direction.getOpposite()) {
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TripWireHookBlock.calculateState(level, blockPos, blockState, false, true, i, state);
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}
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break;
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}
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if (!blockState.is(this)) {
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break;
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}
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}
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}
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}
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@Override
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protected VoxelShape getEntityInsideCollisionShape(BlockState state, BlockGetter level, BlockPos pos, Entity entity) {
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return state.getShape(level, pos);
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}
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@Override
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protected void entityInside(BlockState state, Level level, BlockPos pos, Entity entity, InsideBlockEffectApplier effectApplier) {
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if (!level.isClientSide) {
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if (!(Boolean)state.getValue(POWERED)) {
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this.checkPressed(level, pos, List.of(entity));
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}
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}
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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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if ((Boolean)level.getBlockState(pos).getValue(POWERED)) {
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this.checkPressed(level, pos);
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}
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}
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private void checkPressed(Level level, BlockPos pos) {
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BlockState blockState = level.getBlockState(pos);
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List<? extends Entity> list = level.getEntities(null, blockState.getShape(level, pos).bounds().move(pos));
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this.checkPressed(level, pos, list);
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}
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private void checkPressed(Level level, BlockPos pos, List<? extends Entity> entities) {
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BlockState blockState = level.getBlockState(pos);
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boolean bl = (Boolean)blockState.getValue(POWERED);
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boolean bl2 = false;
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if (!entities.isEmpty()) {
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for (Entity entity : entities) {
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if (!entity.isIgnoringBlockTriggers()) {
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bl2 = true;
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break;
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}
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}
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}
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if (bl2 != bl) {
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blockState = blockState.setValue(POWERED, bl2);
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level.setBlock(pos, blockState, 3);
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this.updateSource(level, pos, blockState);
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}
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if (bl2) {
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level.scheduleTick(new BlockPos(pos), this, 10);
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}
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}
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public boolean shouldConnectTo(BlockState state, Direction direction) {
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return state.is(this.hook) ? state.getValue(TripWireHookBlock.FACING) == direction.getOpposite() : state.is(this);
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}
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@Override
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protected BlockState rotate(BlockState state, Rotation rotation) {
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switch (rotation) {
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case CLOCKWISE_180:
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return state.setValue(NORTH, (Boolean)state.getValue(SOUTH))
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.setValue(EAST, (Boolean)state.getValue(WEST))
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.setValue(SOUTH, (Boolean)state.getValue(NORTH))
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.setValue(WEST, (Boolean)state.getValue(EAST));
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case COUNTERCLOCKWISE_90:
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return state.setValue(NORTH, (Boolean)state.getValue(EAST))
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.setValue(EAST, (Boolean)state.getValue(SOUTH))
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.setValue(SOUTH, (Boolean)state.getValue(WEST))
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.setValue(WEST, (Boolean)state.getValue(NORTH));
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case CLOCKWISE_90:
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return state.setValue(NORTH, (Boolean)state.getValue(WEST))
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.setValue(EAST, (Boolean)state.getValue(NORTH))
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.setValue(SOUTH, (Boolean)state.getValue(EAST))
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.setValue(WEST, (Boolean)state.getValue(SOUTH));
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default:
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return state;
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}
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}
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@Override
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protected BlockState mirror(BlockState state, Mirror mirror) {
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switch (mirror) {
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case LEFT_RIGHT:
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return state.setValue(NORTH, (Boolean)state.getValue(SOUTH)).setValue(SOUTH, (Boolean)state.getValue(NORTH));
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case FRONT_BACK:
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return state.setValue(EAST, (Boolean)state.getValue(WEST)).setValue(WEST, (Boolean)state.getValue(EAST));
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default:
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return super.mirror(state, mirror);
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}
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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(POWERED, ATTACHED, DISARMED, NORTH, EAST, WEST, SOUTH);
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}
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}
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