package net.minecraft.world.level.block; import com.mojang.serialization.MapCodec; import net.minecraft.advancements.CriteriaTriggers; import net.minecraft.core.BlockPos; import net.minecraft.core.particles.BlockParticleOption; import net.minecraft.core.particles.ParticleTypes; import net.minecraft.server.level.ServerPlayer; import net.minecraft.sounds.SoundEvents; import net.minecraft.world.entity.Entity; import net.minecraft.world.entity.InsideBlockEffectApplier; import net.minecraft.world.entity.LivingEntity; import net.minecraft.world.entity.item.PrimedTnt; import net.minecraft.world.entity.vehicle.AbstractBoat; import net.minecraft.world.entity.vehicle.AbstractMinecart; import net.minecraft.world.level.BlockGetter; import net.minecraft.world.level.Level; import net.minecraft.world.level.block.state.BlockBehaviour; import net.minecraft.world.level.block.state.BlockState; import net.minecraft.world.phys.Vec3; import net.minecraft.world.phys.shapes.CollisionContext; import net.minecraft.world.phys.shapes.VoxelShape; public class HoneyBlock extends HalfTransparentBlock { public static final MapCodec CODEC = simpleCodec(HoneyBlock::new); private static final double SLIDE_STARTS_WHEN_VERTICAL_SPEED_IS_AT_LEAST = 0.13; private static final double MIN_FALL_SPEED_TO_BE_CONSIDERED_SLIDING = 0.08; private static final double THROTTLE_SLIDE_SPEED_TO = 0.05; private static final int SLIDE_ADVANCEMENT_CHECK_INTERVAL = 20; private static final VoxelShape SHAPE = Block.column(14.0, 0.0, 15.0); @Override public MapCodec codec() { return CODEC; } public HoneyBlock(BlockBehaviour.Properties p_53985_) { super(p_53985_); } private static boolean doesEntityDoHoneyBlockSlideEffects(Entity p_54013_) { return p_54013_ instanceof LivingEntity || p_54013_ instanceof AbstractMinecart || p_54013_ instanceof PrimedTnt || p_54013_ instanceof AbstractBoat; } @Override protected VoxelShape getCollisionShape(BlockState p_54015_, BlockGetter p_54016_, BlockPos p_54017_, CollisionContext p_54018_) { return SHAPE; } @Override public void fallOn(Level p_153372_, BlockState p_153373_, BlockPos p_153374_, Entity p_153375_, double p_394083_) { p_153375_.playSound(SoundEvents.HONEY_BLOCK_SLIDE, 1.0F, 1.0F); if (!p_153372_.isClientSide) { p_153372_.broadcastEntityEvent(p_153375_, (byte)54); } if (p_153375_.causeFallDamage(p_394083_, 0.2F, p_153372_.damageSources().fall())) { p_153375_.playSound(this.soundType.getFallSound(), this.soundType.getVolume() * 0.5F, this.soundType.getPitch() * 0.75F); } } @Override protected void entityInside(BlockState p_54003_, Level p_54004_, BlockPos p_54005_, Entity p_54006_, InsideBlockEffectApplier p_395723_) { if (this.isSlidingDown(p_54005_, p_54006_)) { this.maybeDoSlideAchievement(p_54006_, p_54005_); this.doSlideMovement(p_54006_); this.maybeDoSlideEffects(p_54004_, p_54006_); } super.entityInside(p_54003_, p_54004_, p_54005_, p_54006_, p_395723_); } private static double getOldDeltaY(double p_368591_) { return p_368591_ / 0.98F + 0.08; } private static double getNewDeltaY(double p_369047_) { return (p_369047_ - 0.08) * 0.98F; } private boolean isSlidingDown(BlockPos p_54008_, Entity p_54009_) { if (p_54009_.onGround()) { return false; } else if (p_54009_.getY() > p_54008_.getY() + 0.9375 - 1.0E-7) { return false; } else if (getOldDeltaY(p_54009_.getDeltaMovement().y) >= -0.08) { return false; } else { double d0 = Math.abs(p_54008_.getX() + 0.5 - p_54009_.getX()); double d1 = Math.abs(p_54008_.getZ() + 0.5 - p_54009_.getZ()); double d2 = 0.4375 + p_54009_.getBbWidth() / 2.0F; return d0 + 1.0E-7 > d2 || d1 + 1.0E-7 > d2; } } private void maybeDoSlideAchievement(Entity p_53992_, BlockPos p_53993_) { if (p_53992_ instanceof ServerPlayer && p_53992_.level().getGameTime() % 20L == 0L) { CriteriaTriggers.HONEY_BLOCK_SLIDE.trigger((ServerPlayer)p_53992_, p_53992_.level().getBlockState(p_53993_)); } } private void doSlideMovement(Entity p_54020_) { Vec3 vec3 = p_54020_.getDeltaMovement(); if (getOldDeltaY(p_54020_.getDeltaMovement().y) < -0.13) { double d0 = -0.05 / getOldDeltaY(p_54020_.getDeltaMovement().y); p_54020_.setDeltaMovement(new Vec3(vec3.x * d0, getNewDeltaY(-0.05), vec3.z * d0)); } else { p_54020_.setDeltaMovement(new Vec3(vec3.x, getNewDeltaY(-0.05), vec3.z)); } p_54020_.resetFallDistance(); } private void maybeDoSlideEffects(Level p_53995_, Entity p_53996_) { if (doesEntityDoHoneyBlockSlideEffects(p_53996_)) { if (p_53995_.random.nextInt(5) == 0) { p_53996_.playSound(SoundEvents.HONEY_BLOCK_SLIDE, 1.0F, 1.0F); } if (!p_53995_.isClientSide && p_53995_.random.nextInt(5) == 0) { p_53995_.broadcastEntityEvent(p_53996_, (byte)53); } } } public static void showSlideParticles(Entity p_53987_) { showParticles(p_53987_, 5); } public static void showJumpParticles(Entity p_54011_) { showParticles(p_54011_, 10); } private static void showParticles(Entity p_53989_, int p_53990_) { if (p_53989_.level().isClientSide) { BlockState blockstate = Blocks.HONEY_BLOCK.defaultBlockState(); for (int i = 0; i < p_53990_; i++) { p_53989_.level() .addParticle( new BlockParticleOption(ParticleTypes.BLOCK, blockstate), p_53989_.getX(), p_53989_.getY(), p_53989_.getZ(), 0.0, 0.0, 0.0 ); } } } }