262 lines
9.6 KiB
Java
262 lines
9.6 KiB
Java
package net.minecraft.world.level.block;
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import com.google.common.base.MoreObjects;
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import com.mojang.serialization.MapCodec;
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import java.util.Map;
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import java.util.Optional;
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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.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.util.RandomSource;
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import net.minecraft.world.entity.LivingEntity;
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import net.minecraft.world.item.ItemStack;
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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.EnumProperty;
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import net.minecraft.world.level.gameevent.GameEvent;
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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.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 TripWireHookBlock extends Block {
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public static final MapCodec<TripWireHookBlock> CODEC = simpleCodec(TripWireHookBlock::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 ATTACHED = BlockStateProperties.ATTACHED;
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protected static final int WIRE_DIST_MIN = 1;
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protected static final int WIRE_DIST_MAX = 42;
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private static final int RECHECK_PERIOD = 10;
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private static final Map<Direction, VoxelShape> SHAPES = Shapes.rotateHorizontal(Block.boxZ(6.0, 0.0, 10.0, 10.0, 16.0));
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@Override
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public MapCodec<TripWireHookBlock> codec() {
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return CODEC;
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}
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public TripWireHookBlock(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(ATTACHED, false));
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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 boolean canSurvive(BlockState state, LevelReader level, BlockPos pos) {
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Direction direction = state.getValue(FACING);
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BlockPos blockPos = pos.relative(direction.getOpposite());
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BlockState blockState = level.getBlockState(blockPos);
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return direction.getAxis().isHorizontal() && blockState.isFaceSturdy(level, blockPos, direction);
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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.getOpposite() == state.getValue(FACING) && !state.canSurvive(level, pos)
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? Blocks.AIR.defaultBlockState()
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: super.updateShape(state, level, scheduledTickAccess, pos, direction, neighborPos, neighborState, random);
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}
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@Nullable
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@Override
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public BlockState getStateForPlacement(BlockPlaceContext context) {
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BlockState blockState = this.defaultBlockState().setValue(POWERED, false).setValue(ATTACHED, false);
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LevelReader levelReader = context.getLevel();
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BlockPos blockPos = context.getClickedPos();
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Direction[] directions = context.getNearestLookingDirections();
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for (Direction direction : directions) {
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if (direction.getAxis().isHorizontal()) {
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Direction direction2 = direction.getOpposite();
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blockState = blockState.setValue(FACING, direction2);
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if (blockState.canSurvive(levelReader, blockPos)) {
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return blockState;
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}
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}
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}
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return null;
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}
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@Override
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public void setPlacedBy(Level level, BlockPos pos, BlockState state, LivingEntity placer, ItemStack stack) {
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calculateState(level, pos, state, false, false, -1, null);
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}
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public static void calculateState(
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Level level, BlockPos pos, BlockState hookState, boolean attaching, boolean shouldNotifyNeighbours, int searchRange, @Nullable BlockState state
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) {
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Optional<Direction> optional = hookState.getOptionalValue(FACING);
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if (optional.isPresent()) {
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Direction direction = (Direction)optional.get();
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boolean bl = (Boolean)hookState.getOptionalValue(ATTACHED).orElse(false);
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boolean bl2 = (Boolean)hookState.getOptionalValue(POWERED).orElse(false);
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Block block = hookState.getBlock();
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boolean bl3 = !attaching;
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boolean bl4 = false;
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int i = 0;
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BlockState[] blockStates = new BlockState[42];
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for (int j = 1; j < 42; j++) {
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BlockPos blockPos = pos.relative(direction, j);
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BlockState blockState = level.getBlockState(blockPos);
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if (blockState.is(Blocks.TRIPWIRE_HOOK)) {
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if (blockState.getValue(FACING) == direction.getOpposite()) {
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i = j;
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}
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break;
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}
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if (!blockState.is(Blocks.TRIPWIRE) && j != searchRange) {
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blockStates[j] = null;
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bl3 = false;
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} else {
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if (j == searchRange) {
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blockState = MoreObjects.firstNonNull(state, blockState);
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}
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boolean bl5 = !(Boolean)blockState.getValue(TripWireBlock.DISARMED);
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boolean bl6 = (Boolean)blockState.getValue(TripWireBlock.POWERED);
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bl4 |= bl5 && bl6;
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blockStates[j] = blockState;
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if (j == searchRange) {
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level.scheduleTick(pos, block, 10);
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bl3 &= bl5;
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}
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}
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}
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bl3 &= i > 1;
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bl4 &= bl3;
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BlockState blockState2 = block.defaultBlockState().trySetValue(ATTACHED, bl3).trySetValue(POWERED, bl4);
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if (i > 0) {
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BlockPos blockPosx = pos.relative(direction, i);
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Direction direction2 = direction.getOpposite();
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level.setBlock(blockPosx, blockState2.setValue(FACING, direction2), 3);
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notifyNeighbors(block, level, blockPosx, direction2);
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emitState(level, blockPosx, bl3, bl4, bl, bl2);
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}
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emitState(level, pos, bl3, bl4, bl, bl2);
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if (!attaching) {
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level.setBlock(pos, blockState2.setValue(FACING, direction), 3);
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if (shouldNotifyNeighbours) {
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notifyNeighbors(block, level, pos, direction);
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}
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}
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if (bl != bl3) {
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for (int k = 1; k < i; k++) {
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BlockPos blockPos2 = pos.relative(direction, k);
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BlockState blockState3 = blockStates[k];
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if (blockState3 != null) {
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BlockState blockState4 = level.getBlockState(blockPos2);
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if (blockState4.is(Blocks.TRIPWIRE) || blockState4.is(Blocks.TRIPWIRE_HOOK)) {
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level.setBlock(blockPos2, blockState3.trySetValue(ATTACHED, bl3), 3);
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}
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}
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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 void tick(BlockState state, ServerLevel level, BlockPos pos, RandomSource random) {
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calculateState(level, pos, state, false, true, -1, null);
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}
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private static void emitState(Level level, BlockPos pos, boolean attached, boolean powered, boolean wasAttached, boolean wasPowered) {
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if (powered && !wasPowered) {
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level.playSound(null, pos, SoundEvents.TRIPWIRE_CLICK_ON, SoundSource.BLOCKS, 0.4F, 0.6F);
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level.gameEvent(null, GameEvent.BLOCK_ACTIVATE, pos);
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} else if (!powered && wasPowered) {
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level.playSound(null, pos, SoundEvents.TRIPWIRE_CLICK_OFF, SoundSource.BLOCKS, 0.4F, 0.5F);
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level.gameEvent(null, GameEvent.BLOCK_DEACTIVATE, pos);
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} else if (attached && !wasAttached) {
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level.playSound(null, pos, SoundEvents.TRIPWIRE_ATTACH, SoundSource.BLOCKS, 0.4F, 0.7F);
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level.gameEvent(null, GameEvent.BLOCK_ATTACH, pos);
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} else if (!attached && wasAttached) {
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level.playSound(null, pos, SoundEvents.TRIPWIRE_DETACH, SoundSource.BLOCKS, 0.4F, 1.2F / (level.random.nextFloat() * 0.2F + 0.9F));
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level.gameEvent(null, GameEvent.BLOCK_DETACH, pos);
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}
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}
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private static void notifyNeighbors(Block block, Level level, BlockPos pos, Direction direction) {
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Direction direction2 = direction.getOpposite();
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Orientation orientation = ExperimentalRedstoneUtils.initialOrientation(level, direction2, Direction.UP);
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level.updateNeighborsAt(pos, block, orientation);
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level.updateNeighborsAt(pos.relative(direction2), block, orientation);
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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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boolean bl = (Boolean)state.getValue(ATTACHED);
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boolean bl2 = (Boolean)state.getValue(POWERED);
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if (bl || bl2) {
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calculateState(level, pos, state, true, false, -1, null);
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}
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if (bl2) {
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notifyNeighbors(this, level, pos, state.getValue(FACING));
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}
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}
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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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if (!(Boolean)state.getValue(POWERED)) {
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return 0;
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} else {
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return state.getValue(FACING) == direction ? 15 : 0;
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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 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, ATTACHED);
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}
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}
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