516 lines
17 KiB
Java
516 lines
17 KiB
Java
package net.minecraft.world.entity.monster;
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import java.util.EnumSet;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.Holder;
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import net.minecraft.server.level.ServerLevel;
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import net.minecraft.sounds.SoundEvent;
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import net.minecraft.sounds.SoundEvents;
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import net.minecraft.tags.BiomeTags;
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import net.minecraft.tags.FluidTags;
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import net.minecraft.tags.ItemTags;
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import net.minecraft.tags.TagKey;
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import net.minecraft.util.Mth;
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import net.minecraft.util.RandomSource;
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import net.minecraft.world.Difficulty;
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import net.minecraft.world.DifficultyInstance;
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import net.minecraft.world.InteractionHand;
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import net.minecraft.world.damagesource.DamageSource;
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import net.minecraft.world.entity.EntitySpawnReason;
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import net.minecraft.world.entity.EntityType;
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import net.minecraft.world.entity.EquipmentSlot;
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import net.minecraft.world.entity.LivingEntity;
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import net.minecraft.world.entity.MoverType;
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import net.minecraft.world.entity.PathfinderMob;
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import net.minecraft.world.entity.SpawnGroupData;
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import net.minecraft.world.entity.ai.attributes.Attributes;
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import net.minecraft.world.entity.ai.attributes.AttributeSupplier.Builder;
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import net.minecraft.world.entity.ai.control.MoveControl;
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import net.minecraft.world.entity.ai.goal.Goal;
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import net.minecraft.world.entity.ai.goal.MoveToBlockGoal;
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import net.minecraft.world.entity.ai.goal.RandomStrollGoal;
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import net.minecraft.world.entity.ai.goal.RangedAttackGoal;
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import net.minecraft.world.entity.ai.goal.ZombieAttackGoal;
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import net.minecraft.world.entity.ai.goal.Goal.Flag;
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import net.minecraft.world.entity.ai.goal.target.HurtByTargetGoal;
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import net.minecraft.world.entity.ai.goal.target.NearestAttackableTargetGoal;
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import net.minecraft.world.entity.ai.navigation.GroundPathNavigation;
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import net.minecraft.world.entity.ai.navigation.WaterBoundPathNavigation;
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import net.minecraft.world.entity.ai.util.DefaultRandomPos;
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import net.minecraft.world.entity.animal.IronGolem;
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import net.minecraft.world.entity.animal.Turtle;
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import net.minecraft.world.entity.animal.axolotl.Axolotl;
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import net.minecraft.world.entity.npc.AbstractVillager;
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import net.minecraft.world.entity.player.Player;
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import net.minecraft.world.entity.projectile.Projectile;
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import net.minecraft.world.entity.projectile.ThrownTrident;
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import net.minecraft.world.item.Item;
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import net.minecraft.world.item.ItemStack;
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import net.minecraft.world.item.Items;
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import net.minecraft.world.level.Level;
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import net.minecraft.world.level.LevelAccessor;
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import net.minecraft.world.level.LevelReader;
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import net.minecraft.world.level.ServerLevelAccessor;
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import net.minecraft.world.level.biome.Biome;
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import net.minecraft.world.level.block.Blocks;
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import net.minecraft.world.level.pathfinder.Path;
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import net.minecraft.world.level.pathfinder.PathType;
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import net.minecraft.world.phys.Vec3;
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import org.jetbrains.annotations.Nullable;
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public class Drowned extends Zombie implements RangedAttackMob {
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public static final float NAUTILUS_SHELL_CHANCE = 0.03F;
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boolean searchingForLand;
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protected final WaterBoundPathNavigation waterNavigation;
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protected final GroundPathNavigation groundNavigation;
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public Drowned(EntityType<? extends Drowned> entityType, Level level) {
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super(entityType, level);
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this.moveControl = new Drowned.DrownedMoveControl(this);
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this.setPathfindingMalus(PathType.WATER, 0.0F);
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this.waterNavigation = new WaterBoundPathNavigation(this, level);
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this.groundNavigation = new GroundPathNavigation(this, level);
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}
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public static Builder createAttributes() {
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return Zombie.createAttributes().add(Attributes.STEP_HEIGHT, 1.0);
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}
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@Override
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protected void addBehaviourGoals() {
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this.goalSelector.addGoal(1, new Drowned.DrownedGoToWaterGoal(this, 1.0));
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this.goalSelector.addGoal(2, new Drowned.DrownedTridentAttackGoal(this, 1.0, 40, 10.0F));
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this.goalSelector.addGoal(2, new Drowned.DrownedAttackGoal(this, 1.0, false));
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this.goalSelector.addGoal(5, new Drowned.DrownedGoToBeachGoal(this, 1.0));
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this.goalSelector.addGoal(6, new Drowned.DrownedSwimUpGoal(this, 1.0, this.level().getSeaLevel()));
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this.goalSelector.addGoal(7, new RandomStrollGoal(this, 1.0));
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this.targetSelector.addGoal(1, new HurtByTargetGoal(this, Drowned.class).setAlertOthers(ZombifiedPiglin.class));
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this.targetSelector
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.addGoal(2, new NearestAttackableTargetGoal(this, Player.class, 10, true, false, (livingEntity, serverLevel) -> this.okTarget(livingEntity)));
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this.targetSelector.addGoal(3, new NearestAttackableTargetGoal(this, AbstractVillager.class, false));
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this.targetSelector.addGoal(3, new NearestAttackableTargetGoal(this, IronGolem.class, true));
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this.targetSelector.addGoal(3, new NearestAttackableTargetGoal(this, Axolotl.class, true, false));
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this.targetSelector.addGoal(5, new NearestAttackableTargetGoal(this, Turtle.class, 10, true, false, Turtle.BABY_ON_LAND_SELECTOR));
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}
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@Override
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public SpawnGroupData finalizeSpawn(
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ServerLevelAccessor level, DifficultyInstance difficulty, EntitySpawnReason spawnReason, @Nullable SpawnGroupData spawnGroupData
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) {
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spawnGroupData = super.finalizeSpawn(level, difficulty, spawnReason, spawnGroupData);
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if (this.getItemBySlot(EquipmentSlot.OFFHAND).isEmpty() && level.getRandom().nextFloat() < 0.03F) {
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this.setItemSlot(EquipmentSlot.OFFHAND, new ItemStack(Items.NAUTILUS_SHELL));
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this.setGuaranteedDrop(EquipmentSlot.OFFHAND);
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}
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return spawnGroupData;
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}
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public static boolean checkDrownedSpawnRules(
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EntityType<Drowned> entityType, ServerLevelAccessor level, EntitySpawnReason spawnReason, BlockPos pos, RandomSource random
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) {
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if (!level.getFluidState(pos.below()).is(FluidTags.WATER) && !EntitySpawnReason.isSpawner(spawnReason)) {
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return false;
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} else {
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Holder<Biome> holder = level.getBiome(pos);
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boolean bl = level.getDifficulty() != Difficulty.PEACEFUL
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&& (EntitySpawnReason.ignoresLightRequirements(spawnReason) || isDarkEnoughToSpawn(level, pos, random))
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&& (EntitySpawnReason.isSpawner(spawnReason) || level.getFluidState(pos).is(FluidTags.WATER));
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if (!bl || !EntitySpawnReason.isSpawner(spawnReason) && spawnReason != EntitySpawnReason.REINFORCEMENT) {
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return holder.is(BiomeTags.MORE_FREQUENT_DROWNED_SPAWNS) ? random.nextInt(15) == 0 && bl : random.nextInt(40) == 0 && isDeepEnoughToSpawn(level, pos) && bl;
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} else {
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return true;
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}
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}
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}
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private static boolean isDeepEnoughToSpawn(LevelAccessor level, BlockPos pos) {
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return pos.getY() < level.getSeaLevel() - 5;
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}
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@Override
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protected SoundEvent getAmbientSound() {
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return this.isInWater() ? SoundEvents.DROWNED_AMBIENT_WATER : SoundEvents.DROWNED_AMBIENT;
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}
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@Override
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protected SoundEvent getHurtSound(DamageSource damageSource) {
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return this.isInWater() ? SoundEvents.DROWNED_HURT_WATER : SoundEvents.DROWNED_HURT;
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}
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@Override
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protected SoundEvent getDeathSound() {
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return this.isInWater() ? SoundEvents.DROWNED_DEATH_WATER : SoundEvents.DROWNED_DEATH;
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}
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@Override
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protected SoundEvent getStepSound() {
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return SoundEvents.DROWNED_STEP;
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}
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@Override
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protected SoundEvent getSwimSound() {
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return SoundEvents.DROWNED_SWIM;
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}
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@Override
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protected boolean canSpawnInLiquids() {
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return true;
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}
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@Override
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protected ItemStack getSkull() {
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return ItemStack.EMPTY;
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}
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@Override
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protected void populateDefaultEquipmentSlots(RandomSource random, DifficultyInstance difficulty) {
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if (random.nextFloat() > 0.9) {
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int i = random.nextInt(16);
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if (i < 10) {
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this.setItemSlot(EquipmentSlot.MAINHAND, new ItemStack(Items.TRIDENT));
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} else {
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this.setItemSlot(EquipmentSlot.MAINHAND, new ItemStack(Items.FISHING_ROD));
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}
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}
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}
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@Override
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protected boolean canReplaceCurrentItem(ItemStack newItem, ItemStack currentItem, EquipmentSlot slot) {
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return currentItem.is(Items.NAUTILUS_SHELL) ? false : super.canReplaceCurrentItem(newItem, currentItem, slot);
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}
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@Override
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protected boolean convertsInWater() {
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return false;
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}
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@Override
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public boolean checkSpawnObstruction(LevelReader level) {
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return level.isUnobstructed(this);
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}
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public boolean okTarget(@Nullable LivingEntity target) {
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return target != null ? !this.level().isBrightOutside() || target.isInWater() : false;
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}
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@Override
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public boolean isPushedByFluid() {
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return !this.isSwimming();
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}
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boolean wantsToSwim() {
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if (this.searchingForLand) {
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return true;
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} else {
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LivingEntity livingEntity = this.getTarget();
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return livingEntity != null && livingEntity.isInWater();
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}
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}
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@Override
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public void travel(Vec3 travelVector) {
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if (this.isUnderWater() && this.wantsToSwim()) {
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this.moveRelative(0.01F, travelVector);
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this.move(MoverType.SELF, this.getDeltaMovement());
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this.setDeltaMovement(this.getDeltaMovement().scale(0.9));
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} else {
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super.travel(travelVector);
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}
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}
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@Override
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public void updateSwimming() {
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if (!this.level().isClientSide) {
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if (this.isEffectiveAi() && this.isUnderWater() && this.wantsToSwim()) {
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this.navigation = this.waterNavigation;
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this.setSwimming(true);
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} else {
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this.navigation = this.groundNavigation;
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this.setSwimming(false);
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}
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}
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}
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@Override
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public boolean isVisuallySwimming() {
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return this.isSwimming();
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}
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protected boolean closeToNextPos() {
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Path path = this.getNavigation().getPath();
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if (path != null) {
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BlockPos blockPos = path.getTarget();
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if (blockPos != null) {
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double d = this.distanceToSqr(blockPos.getX(), blockPos.getY(), blockPos.getZ());
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if (d < 4.0) {
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return true;
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}
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}
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}
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return false;
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}
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@Override
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public void performRangedAttack(LivingEntity target, float velocity) {
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ItemStack itemStack = this.getMainHandItem();
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ItemStack itemStack2 = itemStack.is(Items.TRIDENT) ? itemStack : new ItemStack(Items.TRIDENT);
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ThrownTrident thrownTrident = new ThrownTrident(this.level(), this, itemStack2);
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double d = target.getX() - this.getX();
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double e = target.getY(0.3333333333333333) - thrownTrident.getY();
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double f = target.getZ() - this.getZ();
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double g = Math.sqrt(d * d + f * f);
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if (this.level() instanceof ServerLevel serverLevel) {
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Projectile.spawnProjectileUsingShoot(thrownTrident, serverLevel, itemStack2, d, e + g * 0.2F, f, 1.6F, 14 - this.level().getDifficulty().getId() * 4);
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}
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this.playSound(SoundEvents.DROWNED_SHOOT, 1.0F, 1.0F / (this.getRandom().nextFloat() * 0.4F + 0.8F));
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}
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@Override
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public TagKey<Item> getPreferredWeaponType() {
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return ItemTags.DROWNED_PREFERRED_WEAPONS;
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}
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public void setSearchingForLand(boolean searchingForLand) {
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this.searchingForLand = searchingForLand;
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}
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static class DrownedAttackGoal extends ZombieAttackGoal {
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private final Drowned drowned;
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public DrownedAttackGoal(Drowned drowned, double speedModifier, boolean followingTargetEvenIfNotSeen) {
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super(drowned, speedModifier, followingTargetEvenIfNotSeen);
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this.drowned = drowned;
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}
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@Override
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public boolean canUse() {
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return super.canUse() && this.drowned.okTarget(this.drowned.getTarget());
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}
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@Override
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public boolean canContinueToUse() {
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return super.canContinueToUse() && this.drowned.okTarget(this.drowned.getTarget());
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}
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}
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static class DrownedGoToBeachGoal extends MoveToBlockGoal {
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private final Drowned drowned;
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public DrownedGoToBeachGoal(Drowned drowned, double speedModifier) {
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super(drowned, speedModifier, 8, 2);
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this.drowned = drowned;
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}
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@Override
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public boolean canUse() {
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return super.canUse()
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&& !this.drowned.level().isBrightOutside()
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&& this.drowned.isInWater()
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&& this.drowned.getY() >= this.drowned.level().getSeaLevel() - 3;
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}
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@Override
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public boolean canContinueToUse() {
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return super.canContinueToUse();
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}
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@Override
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protected boolean isValidTarget(LevelReader level, BlockPos pos) {
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BlockPos blockPos = pos.above();
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return level.isEmptyBlock(blockPos) && level.isEmptyBlock(blockPos.above()) ? level.getBlockState(pos).entityCanStandOn(level, pos, this.drowned) : false;
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}
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@Override
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public void start() {
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this.drowned.setSearchingForLand(false);
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this.drowned.navigation = this.drowned.groundNavigation;
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super.start();
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}
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@Override
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public void stop() {
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super.stop();
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}
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}
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static class DrownedGoToWaterGoal extends Goal {
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private final PathfinderMob mob;
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private double wantedX;
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private double wantedY;
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private double wantedZ;
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private final double speedModifier;
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private final Level level;
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public DrownedGoToWaterGoal(PathfinderMob mob, double speedModifier) {
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this.mob = mob;
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this.speedModifier = speedModifier;
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this.level = mob.level();
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this.setFlags(EnumSet.of(Flag.MOVE));
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}
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@Override
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public boolean canUse() {
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if (!this.level.isBrightOutside()) {
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return false;
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} else if (this.mob.isInWater()) {
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return false;
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} else {
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Vec3 vec3 = this.getWaterPos();
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if (vec3 == null) {
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return false;
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} else {
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this.wantedX = vec3.x;
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this.wantedY = vec3.y;
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this.wantedZ = vec3.z;
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return true;
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}
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}
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}
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@Override
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public boolean canContinueToUse() {
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return !this.mob.getNavigation().isDone();
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}
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@Override
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public void start() {
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this.mob.getNavigation().moveTo(this.wantedX, this.wantedY, this.wantedZ, this.speedModifier);
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}
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@Nullable
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private Vec3 getWaterPos() {
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RandomSource randomSource = this.mob.getRandom();
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BlockPos blockPos = this.mob.blockPosition();
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for (int i = 0; i < 10; i++) {
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BlockPos blockPos2 = blockPos.offset(randomSource.nextInt(20) - 10, 2 - randomSource.nextInt(8), randomSource.nextInt(20) - 10);
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if (this.level.getBlockState(blockPos2).is(Blocks.WATER)) {
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return Vec3.atBottomCenterOf(blockPos2);
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}
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}
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return null;
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}
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}
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static class DrownedMoveControl extends MoveControl {
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private final Drowned drowned;
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public DrownedMoveControl(Drowned drowned) {
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super(drowned);
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this.drowned = drowned;
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}
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@Override
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public void tick() {
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LivingEntity livingEntity = this.drowned.getTarget();
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if (this.drowned.wantsToSwim() && this.drowned.isInWater()) {
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if (livingEntity != null && livingEntity.getY() > this.drowned.getY() || this.drowned.searchingForLand) {
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this.drowned.setDeltaMovement(this.drowned.getDeltaMovement().add(0.0, 0.002, 0.0));
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}
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if (this.operation != MoveControl.Operation.MOVE_TO || this.drowned.getNavigation().isDone()) {
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this.drowned.setSpeed(0.0F);
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return;
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}
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double d = this.wantedX - this.drowned.getX();
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double e = this.wantedY - this.drowned.getY();
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double f = this.wantedZ - this.drowned.getZ();
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double g = Math.sqrt(d * d + e * e + f * f);
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e /= g;
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float h = (float)(Mth.atan2(f, d) * 180.0F / (float)Math.PI) - 90.0F;
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this.drowned.setYRot(this.rotlerp(this.drowned.getYRot(), h, 90.0F));
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this.drowned.yBodyRot = this.drowned.getYRot();
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float i = (float)(this.speedModifier * this.drowned.getAttributeValue(Attributes.MOVEMENT_SPEED));
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float j = Mth.lerp(0.125F, this.drowned.getSpeed(), i);
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this.drowned.setSpeed(j);
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this.drowned.setDeltaMovement(this.drowned.getDeltaMovement().add(j * d * 0.005, j * e * 0.1, j * f * 0.005));
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} else {
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if (!this.drowned.onGround()) {
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this.drowned.setDeltaMovement(this.drowned.getDeltaMovement().add(0.0, -0.008, 0.0));
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}
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super.tick();
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}
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}
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}
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static class DrownedSwimUpGoal extends Goal {
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private final Drowned drowned;
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private final double speedModifier;
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private final int seaLevel;
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private boolean stuck;
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public DrownedSwimUpGoal(Drowned drowned, double speedModifier, int seaLevel) {
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this.drowned = drowned;
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this.speedModifier = speedModifier;
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this.seaLevel = seaLevel;
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}
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@Override
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public boolean canUse() {
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return !this.drowned.level().isBrightOutside() && this.drowned.isInWater() && this.drowned.getY() < this.seaLevel - 2;
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}
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@Override
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public boolean canContinueToUse() {
|
|
return this.canUse() && !this.stuck;
|
|
}
|
|
|
|
@Override
|
|
public void tick() {
|
|
if (this.drowned.getY() < this.seaLevel - 1 && (this.drowned.getNavigation().isDone() || this.drowned.closeToNextPos())) {
|
|
Vec3 vec3 = DefaultRandomPos.getPosTowards(this.drowned, 4, 8, new Vec3(this.drowned.getX(), this.seaLevel - 1, this.drowned.getZ()), (float) (Math.PI / 2));
|
|
if (vec3 == null) {
|
|
this.stuck = true;
|
|
return;
|
|
}
|
|
|
|
this.drowned.getNavigation().moveTo(vec3.x, vec3.y, vec3.z, this.speedModifier);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void start() {
|
|
this.drowned.setSearchingForLand(true);
|
|
this.stuck = false;
|
|
}
|
|
|
|
@Override
|
|
public void stop() {
|
|
this.drowned.setSearchingForLand(false);
|
|
}
|
|
}
|
|
|
|
static class DrownedTridentAttackGoal extends RangedAttackGoal {
|
|
private final Drowned drowned;
|
|
|
|
public DrownedTridentAttackGoal(RangedAttackMob rangedAttackMob, double d, int i, float f) {
|
|
super(rangedAttackMob, d, i, f);
|
|
this.drowned = (Drowned)rangedAttackMob;
|
|
}
|
|
|
|
@Override
|
|
public boolean canUse() {
|
|
return super.canUse() && this.drowned.getMainHandItem().is(Items.TRIDENT);
|
|
}
|
|
|
|
@Override
|
|
public void start() {
|
|
super.start();
|
|
this.drowned.setAggressive(true);
|
|
this.drowned.startUsingItem(InteractionHand.MAIN_HAND);
|
|
}
|
|
|
|
@Override
|
|
public void stop() {
|
|
super.stop();
|
|
this.drowned.stopUsingItem();
|
|
this.drowned.setAggressive(false);
|
|
}
|
|
}
|
|
}
|