minecraft-src/net/minecraft/world/entity/projectile/AbstractThrownPotion.java
2025-07-04 03:45:38 +03:00

133 lines
5.3 KiB
Java

package net.minecraft.world.entity.projectile;
import it.unimi.dsi.fastutil.doubles.DoubleDoubleImmutablePair;
import java.util.function.Predicate;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.core.Holder;
import net.minecraft.core.component.DataComponents;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.tags.BlockTags;
import net.minecraft.world.damagesource.DamageSource;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.entity.animal.axolotl.Axolotl;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.item.alchemy.Potion;
import net.minecraft.world.item.alchemy.PotionContents;
import net.minecraft.world.item.alchemy.Potions;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.block.AbstractCandleBlock;
import net.minecraft.world.level.block.CampfireBlock;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.phys.AABB;
import net.minecraft.world.phys.BlockHitResult;
import net.minecraft.world.phys.EntityHitResult;
import net.minecraft.world.phys.HitResult;
import net.minecraft.world.phys.HitResult.Type;
import org.jetbrains.annotations.Nullable;
public abstract class AbstractThrownPotion extends ThrowableItemProjectile {
public static final double SPLASH_RANGE = 4.0;
protected static final double SPLASH_RANGE_SQ = 16.0;
public static final Predicate<LivingEntity> WATER_SENSITIVE_OR_ON_FIRE = livingEntity -> livingEntity.isSensitiveToWater() || livingEntity.isOnFire();
public AbstractThrownPotion(EntityType<? extends AbstractThrownPotion> entityType, Level level) {
super(entityType, level);
}
public AbstractThrownPotion(EntityType<? extends AbstractThrownPotion> entityType, Level level, LivingEntity owner, ItemStack item) {
super(entityType, owner, level, item);
}
public AbstractThrownPotion(EntityType<? extends AbstractThrownPotion> entityType, Level level, double x, double y, double z, ItemStack item) {
super(entityType, x, y, z, level, item);
}
@Override
protected double getDefaultGravity() {
return 0.05;
}
@Override
protected void onHitBlock(BlockHitResult result) {
super.onHitBlock(result);
if (!this.level().isClientSide) {
ItemStack itemStack = this.getItem();
Direction direction = result.getDirection();
BlockPos blockPos = result.getBlockPos();
BlockPos blockPos2 = blockPos.relative(direction);
PotionContents potionContents = itemStack.getOrDefault(DataComponents.POTION_CONTENTS, PotionContents.EMPTY);
if (potionContents.is(Potions.WATER)) {
this.dowseFire(blockPos2);
this.dowseFire(blockPos2.relative(direction.getOpposite()));
for (Direction direction2 : Direction.Plane.HORIZONTAL) {
this.dowseFire(blockPos2.relative(direction2));
}
}
}
}
@Override
protected void onHit(HitResult result) {
super.onHit(result);
if (this.level() instanceof ServerLevel serverLevel) {
ItemStack itemStack = this.getItem();
PotionContents potionContents = itemStack.getOrDefault(DataComponents.POTION_CONTENTS, PotionContents.EMPTY);
if (potionContents.is(Potions.WATER)) {
this.onHitAsWater(serverLevel);
} else if (potionContents.hasEffects()) {
this.onHitAsPotion(serverLevel, itemStack, result.getType() == Type.ENTITY ? ((EntityHitResult)result).getEntity() : null);
}
int i = potionContents.potion().isPresent() && ((Potion)((Holder)potionContents.potion().get()).value()).hasInstantEffects() ? 2007 : 2002;
serverLevel.levelEvent(i, this.blockPosition(), potionContents.getColor());
this.discard();
}
}
private void onHitAsWater(ServerLevel level) {
AABB aABB = this.getBoundingBox().inflate(4.0, 2.0, 4.0);
for (LivingEntity livingEntity : this.level().getEntitiesOfClass(LivingEntity.class, aABB, WATER_SENSITIVE_OR_ON_FIRE)) {
double d = this.distanceToSqr(livingEntity);
if (d < 16.0) {
if (livingEntity.isSensitiveToWater()) {
livingEntity.hurtServer(level, this.damageSources().indirectMagic(this, this.getOwner()), 1.0F);
}
if (livingEntity.isOnFire() && livingEntity.isAlive()) {
livingEntity.extinguishFire();
}
}
}
for (Axolotl axolotl : this.level().getEntitiesOfClass(Axolotl.class, aABB)) {
axolotl.rehydrate();
}
}
protected abstract void onHitAsPotion(ServerLevel level, ItemStack stack, @Nullable Entity entity);
private void dowseFire(BlockPos pos) {
BlockState blockState = this.level().getBlockState(pos);
if (blockState.is(BlockTags.FIRE)) {
this.level().destroyBlock(pos, false, this);
} else if (AbstractCandleBlock.isLit(blockState)) {
AbstractCandleBlock.extinguish(null, blockState, this.level(), pos);
} else if (CampfireBlock.isLitCampfire(blockState)) {
this.level().levelEvent(null, 1009, pos, 0);
CampfireBlock.dowse(this.getOwner(), this.level(), pos, blockState);
this.level().setBlockAndUpdate(pos, blockState.setValue(CampfireBlock.LIT, false));
}
}
@Override
public DoubleDoubleImmutablePair calculateHorizontalHurtKnockbackDirection(LivingEntity entity, DamageSource damageSource) {
double d = entity.position().x - this.position().x;
double e = entity.position().z - this.position().z;
return DoubleDoubleImmutablePair.of(d, e);
}
}