minecraft-src/net/minecraft/world/level/block/LeverBlock.java
2025-07-04 01:41:11 +03:00

178 lines
6.8 KiB
Java

package net.minecraft.world.level.block;
import com.mojang.serialization.MapCodec;
import java.util.function.BiConsumer;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.core.particles.DustParticleOptions;
import net.minecraft.sounds.SoundEvents;
import net.minecraft.sounds.SoundSource;
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.level.BlockGetter;
import net.minecraft.world.level.Explosion;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.LevelAccessor;
import net.minecraft.world.level.block.state.BlockBehaviour;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.block.state.StateDefinition;
import net.minecraft.world.level.block.state.properties.AttachFace;
import net.minecraft.world.level.block.state.properties.BlockStateProperties;
import net.minecraft.world.level.block.state.properties.BooleanProperty;
import net.minecraft.world.level.gameevent.GameEvent;
import net.minecraft.world.phys.BlockHitResult;
import net.minecraft.world.phys.shapes.CollisionContext;
import net.minecraft.world.phys.shapes.VoxelShape;
import org.jetbrains.annotations.Nullable;
public class LeverBlock extends FaceAttachedHorizontalDirectionalBlock {
public static final MapCodec<LeverBlock> CODEC = simpleCodec(LeverBlock::new);
public static final BooleanProperty POWERED = BlockStateProperties.POWERED;
protected static final int DEPTH = 6;
protected static final int WIDTH = 6;
protected static final int HEIGHT = 8;
protected static final VoxelShape NORTH_AABB = Block.box(5.0, 4.0, 10.0, 11.0, 12.0, 16.0);
protected static final VoxelShape SOUTH_AABB = Block.box(5.0, 4.0, 0.0, 11.0, 12.0, 6.0);
protected static final VoxelShape WEST_AABB = Block.box(10.0, 4.0, 5.0, 16.0, 12.0, 11.0);
protected static final VoxelShape EAST_AABB = Block.box(0.0, 4.0, 5.0, 6.0, 12.0, 11.0);
protected static final VoxelShape UP_AABB_Z = Block.box(5.0, 0.0, 4.0, 11.0, 6.0, 12.0);
protected static final VoxelShape UP_AABB_X = Block.box(4.0, 0.0, 5.0, 12.0, 6.0, 11.0);
protected static final VoxelShape DOWN_AABB_Z = Block.box(5.0, 10.0, 4.0, 11.0, 16.0, 12.0);
protected static final VoxelShape DOWN_AABB_X = Block.box(4.0, 10.0, 5.0, 12.0, 16.0, 11.0);
@Override
public MapCodec<LeverBlock> codec() {
return CODEC;
}
protected LeverBlock(BlockBehaviour.Properties properties) {
super(properties);
this.registerDefaultState(this.stateDefinition.any().setValue(FACING, Direction.NORTH).setValue(POWERED, false).setValue(FACE, AttachFace.WALL));
}
@Override
protected VoxelShape getShape(BlockState state, BlockGetter level, BlockPos pos, CollisionContext context) {
switch ((AttachFace)state.getValue(FACE)) {
case FLOOR:
switch (((Direction)state.getValue(FACING)).getAxis()) {
case X:
return UP_AABB_X;
case Z:
default:
return UP_AABB_Z;
}
case WALL:
switch ((Direction)state.getValue(FACING)) {
case EAST:
return EAST_AABB;
case WEST:
return WEST_AABB;
case SOUTH:
return SOUTH_AABB;
case NORTH:
default:
return NORTH_AABB;
}
case CEILING:
default:
switch (((Direction)state.getValue(FACING)).getAxis()) {
case X:
return DOWN_AABB_X;
case Z:
default:
return DOWN_AABB_Z;
}
}
}
@Override
protected InteractionResult useWithoutItem(BlockState state, Level level, BlockPos pos, Player player, BlockHitResult hitResult) {
if (level.isClientSide) {
BlockState blockState = state.cycle(POWERED);
if ((Boolean)blockState.getValue(POWERED)) {
makeParticle(blockState, level, pos, 1.0F);
}
return InteractionResult.SUCCESS;
} else {
this.pull(state, level, pos, null);
return InteractionResult.CONSUME;
}
}
@Override
protected void onExplosionHit(BlockState state, Level level, BlockPos pos, Explosion explosion, BiConsumer<ItemStack, BlockPos> dropConsumer) {
if (explosion.canTriggerBlocks()) {
this.pull(state, level, pos, null);
}
super.onExplosionHit(state, level, pos, explosion, dropConsumer);
}
public void pull(BlockState state, Level level, BlockPos pos, @Nullable Player player) {
state = state.cycle(POWERED);
level.setBlock(pos, state, 3);
this.updateNeighbours(state, level, pos);
playSound(player, level, pos, state);
level.gameEvent(player, state.getValue(POWERED) ? GameEvent.BLOCK_ACTIVATE : GameEvent.BLOCK_DEACTIVATE, pos);
}
protected static void playSound(@Nullable Player player, LevelAccessor level, BlockPos pos, BlockState state) {
float f = state.getValue(POWERED) ? 0.6F : 0.5F;
level.playSound(player, pos, SoundEvents.LEVER_CLICK, SoundSource.BLOCKS, 0.3F, f);
}
private static void makeParticle(BlockState state, LevelAccessor level, BlockPos pos, float alpha) {
Direction direction = ((Direction)state.getValue(FACING)).getOpposite();
Direction direction2 = getConnectedDirection(state).getOpposite();
double d = pos.getX() + 0.5 + 0.1 * direction.getStepX() + 0.2 * direction2.getStepX();
double e = pos.getY() + 0.5 + 0.1 * direction.getStepY() + 0.2 * direction2.getStepY();
double f = pos.getZ() + 0.5 + 0.1 * direction.getStepZ() + 0.2 * direction2.getStepZ();
level.addParticle(new DustParticleOptions(DustParticleOptions.REDSTONE_PARTICLE_COLOR, alpha), d, e, f, 0.0, 0.0, 0.0);
}
@Override
public void animateTick(BlockState state, Level level, BlockPos pos, RandomSource random) {
if ((Boolean)state.getValue(POWERED) && random.nextFloat() < 0.25F) {
makeParticle(state, level, pos, 0.5F);
}
}
@Override
protected void onRemove(BlockState state, Level level, BlockPos pos, BlockState newState, boolean movedByPiston) {
if (!movedByPiston && !state.is(newState.getBlock())) {
if ((Boolean)state.getValue(POWERED)) {
this.updateNeighbours(state, level, pos);
}
super.onRemove(state, level, pos, newState, movedByPiston);
}
}
@Override
protected int getSignal(BlockState state, BlockGetter level, BlockPos pos, Direction direction) {
return state.getValue(POWERED) ? 15 : 0;
}
@Override
protected int getDirectSignal(BlockState state, BlockGetter level, BlockPos pos, Direction direction) {
return state.getValue(POWERED) && getConnectedDirection(state) == direction ? 15 : 0;
}
@Override
protected boolean isSignalSource(BlockState state) {
return true;
}
private void updateNeighbours(BlockState state, Level level, BlockPos pos) {
level.updateNeighborsAt(pos, this);
level.updateNeighborsAt(pos.relative(getConnectedDirection(state).getOpposite()), this);
}
@Override
protected void createBlockStateDefinition(StateDefinition.Builder<Block, BlockState> builder) {
builder.add(FACE, FACING, POWERED);
}
}