371 lines
17 KiB
Java
371 lines
17 KiB
Java
package net.minecraft.world.entity.item;
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import com.mojang.logging.LogUtils;
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import java.util.function.Predicate;
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import javax.annotation.Nullable;
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import net.minecraft.CrashReportCategory;
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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.nbt.CompoundTag;
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import net.minecraft.nbt.NbtOps;
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import net.minecraft.nbt.Tag;
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import net.minecraft.network.chat.Component;
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import net.minecraft.network.protocol.Packet;
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import net.minecraft.network.protocol.game.ClientGamePacketListener;
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import net.minecraft.network.protocol.game.ClientboundAddEntityPacket;
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import net.minecraft.network.protocol.game.ClientboundBlockUpdatePacket;
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import net.minecraft.network.syncher.EntityDataAccessor;
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import net.minecraft.network.syncher.EntityDataSerializers;
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import net.minecraft.network.syncher.SynchedEntityData;
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import net.minecraft.resources.RegistryOps;
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import net.minecraft.resources.ResourceKey;
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import net.minecraft.server.level.ServerEntity;
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import net.minecraft.server.level.ServerLevel;
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import net.minecraft.tags.BlockTags;
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import net.minecraft.tags.FluidTags;
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import net.minecraft.util.Mth;
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import net.minecraft.world.damagesource.DamageSource;
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import net.minecraft.world.entity.Entity;
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import net.minecraft.world.entity.EntitySelector;
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import net.minecraft.world.entity.EntityType;
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import net.minecraft.world.entity.MoverType;
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import net.minecraft.world.item.ItemStack;
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import net.minecraft.world.item.context.DirectionalPlaceContext;
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import net.minecraft.world.level.ClipContext;
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import net.minecraft.world.level.GameRules;
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import net.minecraft.world.level.Level;
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import net.minecraft.world.level.block.AnvilBlock;
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import net.minecraft.world.level.block.Block;
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import net.minecraft.world.level.block.Blocks;
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import net.minecraft.world.level.block.ConcretePowderBlock;
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import net.minecraft.world.level.block.Fallable;
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import net.minecraft.world.level.block.FallingBlock;
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import net.minecraft.world.level.block.entity.BlockEntity;
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import net.minecraft.world.level.block.state.BlockState;
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import net.minecraft.world.level.block.state.properties.BlockStateProperties;
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import net.minecraft.world.level.material.Fluids;
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import net.minecraft.world.level.portal.TeleportTransition;
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import net.minecraft.world.phys.BlockHitResult;
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import net.minecraft.world.phys.HitResult;
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import net.minecraft.world.phys.Vec3;
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import org.slf4j.Logger;
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public class FallingBlockEntity extends Entity {
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private static final Logger LOGGER = LogUtils.getLogger();
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private static final BlockState DEFAULT_BLOCK_STATE = Blocks.SAND.defaultBlockState();
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private static final int DEFAULT_TIME = 0;
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private static final float DEFAULT_FALL_DAMAGE_PER_DISTANCE = 0.0F;
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private static final int DEFAULT_MAX_FALL_DAMAGE = 40;
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private static final boolean DEFAULT_DROP_ITEM = true;
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private static final boolean DEFAULT_CANCEL_DROP = false;
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private BlockState blockState = DEFAULT_BLOCK_STATE;
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public int time = 0;
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public boolean dropItem = true;
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private boolean cancelDrop = false;
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private boolean hurtEntities;
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private int fallDamageMax = 40;
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private float fallDamagePerDistance = 0.0F;
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@Nullable
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public CompoundTag blockData;
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public boolean forceTickAfterTeleportToDuplicate;
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protected static final EntityDataAccessor<BlockPos> DATA_START_POS = SynchedEntityData.defineId(FallingBlockEntity.class, EntityDataSerializers.BLOCK_POS);
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public FallingBlockEntity(EntityType<? extends FallingBlockEntity> p_31950_, Level p_31951_) {
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super(p_31950_, p_31951_);
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}
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private FallingBlockEntity(Level p_31953_, double p_31954_, double p_31955_, double p_31956_, BlockState p_31957_) {
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this(EntityType.FALLING_BLOCK, p_31953_);
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this.blockState = p_31957_;
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this.blocksBuilding = true;
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this.setPos(p_31954_, p_31955_, p_31956_);
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this.setDeltaMovement(Vec3.ZERO);
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this.xo = p_31954_;
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this.yo = p_31955_;
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this.zo = p_31956_;
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this.setStartPos(this.blockPosition());
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}
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public static FallingBlockEntity fall(Level p_201972_, BlockPos p_201973_, BlockState p_201974_) {
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FallingBlockEntity fallingblockentity = new FallingBlockEntity(
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p_201972_,
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p_201973_.getX() + 0.5,
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p_201973_.getY(),
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p_201973_.getZ() + 0.5,
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p_201974_.hasProperty(BlockStateProperties.WATERLOGGED) ? p_201974_.setValue(BlockStateProperties.WATERLOGGED, false) : p_201974_
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);
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p_201972_.setBlock(p_201973_, p_201974_.getFluidState().createLegacyBlock(), 3);
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p_201972_.addFreshEntity(fallingblockentity);
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return fallingblockentity;
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}
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@Override
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public boolean isAttackable() {
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return false;
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}
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@Override
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public final boolean hurtServer(ServerLevel p_369142_, DamageSource p_361302_, float p_361003_) {
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if (!this.isInvulnerableToBase(p_361302_)) {
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this.markHurt();
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}
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return false;
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}
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public void setStartPos(BlockPos p_31960_) {
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this.entityData.set(DATA_START_POS, p_31960_);
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}
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public BlockPos getStartPos() {
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return this.entityData.get(DATA_START_POS);
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}
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@Override
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protected Entity.MovementEmission getMovementEmission() {
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return Entity.MovementEmission.NONE;
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}
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@Override
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protected void defineSynchedData(SynchedEntityData.Builder p_329911_) {
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p_329911_.define(DATA_START_POS, BlockPos.ZERO);
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}
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@Override
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public boolean isPickable() {
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return !this.isRemoved();
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}
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@Override
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protected double getDefaultGravity() {
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return 0.04;
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}
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@Override
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public void tick() {
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if (this.blockState.isAir()) {
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this.discard();
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} else {
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Block block = this.blockState.getBlock();
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this.time++;
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this.applyGravity();
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this.move(MoverType.SELF, this.getDeltaMovement());
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this.applyEffectsFromBlocks();
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this.handlePortal();
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if (this.level() instanceof ServerLevel serverlevel && (this.isAlive() || this.forceTickAfterTeleportToDuplicate)) {
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BlockPos blockpos = this.blockPosition();
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boolean flag = this.blockState.getBlock() instanceof ConcretePowderBlock;
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boolean flag1 = flag && this.level().getFluidState(blockpos).is(FluidTags.WATER);
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double d0 = this.getDeltaMovement().lengthSqr();
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if (flag && d0 > 1.0) {
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BlockHitResult blockhitresult = this.level()
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.clip(
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new ClipContext(
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new Vec3(this.xo, this.yo, this.zo),
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this.position(),
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ClipContext.Block.COLLIDER,
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ClipContext.Fluid.SOURCE_ONLY,
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this
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)
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);
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if (blockhitresult.getType() != HitResult.Type.MISS && this.level().getFluidState(blockhitresult.getBlockPos()).is(FluidTags.WATER)) {
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blockpos = blockhitresult.getBlockPos();
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flag1 = true;
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}
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}
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if (!this.onGround() && !flag1) {
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if (this.time > 100 && (blockpos.getY() <= this.level().getMinY() || blockpos.getY() > this.level().getMaxY())
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|| this.time > 600) {
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if (this.dropItem && serverlevel.getGameRules().getBoolean(GameRules.RULE_DOENTITYDROPS)) {
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this.spawnAtLocation(serverlevel, block);
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}
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this.discard();
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}
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} else {
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BlockState blockstate = this.level().getBlockState(blockpos);
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this.setDeltaMovement(this.getDeltaMovement().multiply(0.7, -0.5, 0.7));
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if (!blockstate.is(Blocks.MOVING_PISTON)) {
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if (!this.cancelDrop) {
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boolean flag2 = blockstate.canBeReplaced(
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new DirectionalPlaceContext(this.level(), blockpos, Direction.DOWN, ItemStack.EMPTY, Direction.UP)
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);
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boolean flag3 = FallingBlock.isFree(this.level().getBlockState(blockpos.below())) && (!flag || !flag1);
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boolean flag4 = this.blockState.canSurvive(this.level(), blockpos) && !flag3;
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if (flag2 && flag4) {
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if (this.blockState.hasProperty(BlockStateProperties.WATERLOGGED) && this.level().getFluidState(blockpos).getType() == Fluids.WATER) {
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this.blockState = this.blockState.setValue(BlockStateProperties.WATERLOGGED, true);
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}
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if (this.level().setBlock(blockpos, this.blockState, 3)) {
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((ServerLevel)this.level())
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.getChunkSource()
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.chunkMap
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.broadcast(this, new ClientboundBlockUpdatePacket(blockpos, this.level().getBlockState(blockpos)));
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this.discard();
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if (block instanceof Fallable) {
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((Fallable)block).onLand(this.level(), blockpos, this.blockState, blockstate, this);
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}
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if (this.blockData != null && this.blockState.hasBlockEntity()) {
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BlockEntity blockentity = this.level().getBlockEntity(blockpos);
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if (blockentity != null) {
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CompoundTag compoundtag = blockentity.saveWithoutMetadata(this.level().registryAccess());
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this.blockData.forEach((p_390676_, p_390677_) -> compoundtag.put(p_390676_, p_390677_.copy()));
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try {
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blockentity.loadWithComponents(compoundtag, this.level().registryAccess());
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} catch (Exception exception) {
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LOGGER.error("Failed to load block entity from falling block", (Throwable)exception);
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}
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blockentity.setChanged();
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}
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}
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} else if (this.dropItem && serverlevel.getGameRules().getBoolean(GameRules.RULE_DOENTITYDROPS)) {
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this.discard();
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this.callOnBrokenAfterFall(block, blockpos);
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this.spawnAtLocation(serverlevel, block);
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}
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} else {
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this.discard();
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if (this.dropItem && serverlevel.getGameRules().getBoolean(GameRules.RULE_DOENTITYDROPS)) {
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this.callOnBrokenAfterFall(block, blockpos);
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this.spawnAtLocation(serverlevel, block);
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}
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}
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} else {
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this.discard();
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this.callOnBrokenAfterFall(block, blockpos);
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}
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}
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}
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}
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this.setDeltaMovement(this.getDeltaMovement().scale(0.98));
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}
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}
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public void callOnBrokenAfterFall(Block p_149651_, BlockPos p_149652_) {
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if (p_149651_ instanceof Fallable) {
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((Fallable)p_149651_).onBrokenAfterFall(this.level(), p_149652_, this);
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}
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}
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@Override
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public boolean causeFallDamage(double p_395056_, float p_149643_, DamageSource p_149645_) {
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if (!this.hurtEntities) {
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return false;
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} else {
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int i = Mth.ceil(p_395056_ - 1.0);
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if (i < 0) {
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return false;
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} else {
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Predicate<Entity> predicate = EntitySelector.NO_CREATIVE_OR_SPECTATOR.and(EntitySelector.LIVING_ENTITY_STILL_ALIVE);
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DamageSource damagesource = this.blockState.getBlock() instanceof Fallable fallable ? fallable.getFallDamageSource(this) : this.damageSources().fallingBlock(this);
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float f = Math.min(Mth.floor(i * this.fallDamagePerDistance), this.fallDamageMax);
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this.level().getEntities(this, this.getBoundingBox(), predicate).forEach(p_359237_ -> p_359237_.hurt(damagesource, f));
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boolean flag = this.blockState.is(BlockTags.ANVIL);
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if (flag && f > 0.0F && this.random.nextFloat() < 0.05F + i * 0.05F) {
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BlockState blockstate = AnvilBlock.damage(this.blockState);
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if (blockstate == null) {
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this.cancelDrop = true;
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} else {
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this.blockState = blockstate;
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}
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}
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return false;
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}
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}
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}
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@Override
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protected void addAdditionalSaveData(CompoundTag p_31973_) {
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RegistryOps<Tag> registryops = this.registryAccess().createSerializationContext(NbtOps.INSTANCE);
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p_31973_.store("BlockState", BlockState.CODEC, registryops, this.blockState);
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p_31973_.putInt("Time", this.time);
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p_31973_.putBoolean("DropItem", this.dropItem);
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p_31973_.putBoolean("HurtEntities", this.hurtEntities);
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p_31973_.putFloat("FallHurtAmount", this.fallDamagePerDistance);
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p_31973_.putInt("FallHurtMax", this.fallDamageMax);
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if (this.blockData != null) {
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p_31973_.put("TileEntityData", this.blockData);
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}
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p_31973_.putBoolean("CancelDrop", this.cancelDrop);
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}
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@Override
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protected void readAdditionalSaveData(CompoundTag p_31964_) {
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RegistryOps<Tag> registryops = this.registryAccess().createSerializationContext(NbtOps.INSTANCE);
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this.blockState = p_31964_.read("BlockState", BlockState.CODEC, registryops).orElse(DEFAULT_BLOCK_STATE);
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this.time = p_31964_.getIntOr("Time", 0);
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boolean flag = this.blockState.is(BlockTags.ANVIL);
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this.hurtEntities = p_31964_.getBooleanOr("HurtEntities", flag);
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this.fallDamagePerDistance = p_31964_.getFloatOr("FallHurtAmount", 0.0F);
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this.fallDamageMax = p_31964_.getIntOr("FallHurtMax", 40);
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this.dropItem = p_31964_.getBooleanOr("DropItem", true);
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this.blockData = p_31964_.getCompound("TileEntityData").map(CompoundTag::copy).orElse(null);
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this.cancelDrop = p_31964_.getBooleanOr("CancelDrop", false);
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}
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public void setHurtsEntities(float p_149657_, int p_149658_) {
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this.hurtEntities = true;
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this.fallDamagePerDistance = p_149657_;
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this.fallDamageMax = p_149658_;
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}
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public void disableDrop() {
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this.cancelDrop = true;
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}
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@Override
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public boolean displayFireAnimation() {
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return false;
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}
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@Override
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public void fillCrashReportCategory(CrashReportCategory p_31962_) {
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super.fillCrashReportCategory(p_31962_);
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p_31962_.setDetail("Immitating BlockState", this.blockState.toString());
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}
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public BlockState getBlockState() {
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return this.blockState;
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}
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@Override
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protected Component getTypeName() {
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return Component.translatable("entity.minecraft.falling_block_type", this.blockState.getBlock().getName());
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}
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@Override
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public Packet<ClientGamePacketListener> getAddEntityPacket(ServerEntity p_342166_) {
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return new ClientboundAddEntityPacket(this, p_342166_, Block.getId(this.getBlockState()));
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}
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@Override
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public void recreateFromPacket(ClientboundAddEntityPacket p_149654_) {
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super.recreateFromPacket(p_149654_);
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this.blockState = Block.stateById(p_149654_.getData());
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this.blocksBuilding = true;
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double d0 = p_149654_.getX();
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double d1 = p_149654_.getY();
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double d2 = p_149654_.getZ();
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this.setPos(d0, d1, d2);
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this.setStartPos(this.blockPosition());
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}
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@Nullable
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@Override
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public Entity teleport(TeleportTransition p_367033_) {
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ResourceKey<Level> resourcekey = p_367033_.newLevel().dimension();
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ResourceKey<Level> resourcekey1 = this.level().dimension();
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boolean flag = (resourcekey1 == Level.END || resourcekey == Level.END) && resourcekey1 != resourcekey;
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Entity entity = super.teleport(p_367033_);
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this.forceTickAfterTeleportToDuplicate = entity != null && flag;
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return entity;
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}
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} |