package net.minecraft.world.level.block; import java.util.Collection; import net.minecraft.core.BlockPos; import net.minecraft.core.Direction; import net.minecraft.util.RandomSource; import net.minecraft.world.level.LevelAccessor; import net.minecraft.world.level.block.state.BlockState; import net.minecraft.world.level.material.Fluids; import org.jspecify.annotations.Nullable; public interface SculkBehaviour { SculkBehaviour DEFAULT = new SculkBehaviour() { @Override public boolean attemptSpreadVein( final LevelAccessor level, final BlockPos pos, final BlockState state, @Nullable final Collection facings, final boolean postProcess ) { if (facings == null) { return ((SculkVeinBlock)Blocks.SCULK_VEIN).getSameSpaceSpreader().spreadAll(level.getBlockState(pos), level, pos, postProcess) > 0L; } else if (!facings.isEmpty()) { return !state.isAir() && !state.getFluidState().is(Fluids.WATER) ? false : SculkVeinBlock.regrow(level, pos, state, facings); } else { return SculkBehaviour.super.attemptSpreadVein(level, pos, state, facings, postProcess); } } @Override public int attemptUseCharge( final SculkSpreader.ChargeCursor cursor, final LevelAccessor level, final BlockPos originPos, final RandomSource random, final SculkSpreader spreader, final boolean spreadVeins ) { return cursor.getDecayDelay() > 0 ? cursor.getCharge() : 0; } @Override public int updateDecayDelay(final int age) { return Math.max(age - 1, 0); } }; default byte getSculkSpreadDelay() { return 1; } default void onDischarged(final LevelAccessor level, final BlockState state, final BlockPos pos, final RandomSource random) { } default boolean depositCharge(final LevelAccessor level, final BlockPos pos, final RandomSource random) { return false; } default boolean attemptSpreadVein( final LevelAccessor level, final BlockPos pos, final BlockState state, @Nullable final Collection facings, final boolean postProcess ) { return ((MultifaceSpreadeableBlock)Blocks.SCULK_VEIN).getSpreader().spreadAll(state, level, pos, postProcess) > 0L; } default boolean canChangeBlockStateOnSpread() { return true; } default int updateDecayDelay(final int age) { return 1; } int attemptUseCharge( SculkSpreader.ChargeCursor cursor, LevelAccessor level, BlockPos originPos, RandomSource random, SculkSpreader spreader, boolean spreadVeins ); }