231 lines
7.6 KiB
Java
231 lines
7.6 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.Direction;
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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.DamageTypeTags;
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import net.minecraft.util.RandomSource;
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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.EntitySpawnReason;
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import net.minecraft.world.entity.EntityType;
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import net.minecraft.world.entity.ai.attributes.AttributeSupplier;
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import net.minecraft.world.entity.ai.attributes.Attributes;
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import net.minecraft.world.entity.ai.goal.ClimbOnTopOfPowderSnowGoal;
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import net.minecraft.world.entity.ai.goal.FloatGoal;
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import net.minecraft.world.entity.ai.goal.Goal;
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import net.minecraft.world.entity.ai.goal.MeleeAttackGoal;
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import net.minecraft.world.entity.ai.goal.RandomStrollGoal;
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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.player.Player;
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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.LevelAccessor;
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import net.minecraft.world.level.LevelReader;
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import net.minecraft.world.level.block.Block;
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import net.minecraft.world.level.block.InfestedBlock;
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import net.minecraft.world.level.block.state.BlockState;
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import org.jetbrains.annotations.Nullable;
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public class Silverfish extends Monster {
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@Nullable
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private Silverfish.SilverfishWakeUpFriendsGoal friendsGoal;
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public Silverfish(EntityType<? extends Silverfish> entityType, Level level) {
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super(entityType, level);
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}
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@Override
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protected void registerGoals() {
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this.friendsGoal = new Silverfish.SilverfishWakeUpFriendsGoal(this);
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this.goalSelector.addGoal(1, new FloatGoal(this));
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this.goalSelector.addGoal(1, new ClimbOnTopOfPowderSnowGoal(this, this.level()));
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this.goalSelector.addGoal(3, this.friendsGoal);
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this.goalSelector.addGoal(4, new MeleeAttackGoal(this, 1.0, false));
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this.goalSelector.addGoal(5, new Silverfish.SilverfishMergeWithStoneGoal(this));
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this.targetSelector.addGoal(1, new HurtByTargetGoal(this).setAlertOthers());
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this.targetSelector.addGoal(2, new NearestAttackableTargetGoal(this, Player.class, true));
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}
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public static AttributeSupplier.Builder createAttributes() {
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return Monster.createMonsterAttributes().add(Attributes.MAX_HEALTH, 8.0).add(Attributes.MOVEMENT_SPEED, 0.25).add(Attributes.ATTACK_DAMAGE, 1.0);
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}
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@Override
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protected Entity.MovementEmission getMovementEmission() {
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return Entity.MovementEmission.EVENTS;
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}
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@Override
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protected SoundEvent getAmbientSound() {
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return SoundEvents.SILVERFISH_AMBIENT;
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}
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@Override
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protected SoundEvent getHurtSound(DamageSource damageSource) {
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return SoundEvents.SILVERFISH_HURT;
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}
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@Override
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protected SoundEvent getDeathSound() {
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return SoundEvents.SILVERFISH_DEATH;
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}
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@Override
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protected void playStepSound(BlockPos pos, BlockState state) {
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this.playSound(SoundEvents.SILVERFISH_STEP, 0.15F, 1.0F);
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}
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@Override
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public boolean hurtServer(ServerLevel level, DamageSource damageSource, float amount) {
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if (this.isInvulnerableTo(level, damageSource)) {
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return false;
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} else {
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if ((damageSource.getEntity() != null || damageSource.is(DamageTypeTags.ALWAYS_TRIGGERS_SILVERFISH)) && this.friendsGoal != null) {
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this.friendsGoal.notifyHurt();
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}
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return super.hurtServer(level, damageSource, amount);
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}
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}
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@Override
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public void tick() {
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this.yBodyRot = this.getYRot();
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super.tick();
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}
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@Override
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public void setYBodyRot(float yBodyRot) {
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this.setYRot(yBodyRot);
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super.setYBodyRot(yBodyRot);
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}
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@Override
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public float getWalkTargetValue(BlockPos pos, LevelReader level) {
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return InfestedBlock.isCompatibleHostBlock(level.getBlockState(pos.below())) ? 10.0F : super.getWalkTargetValue(pos, level);
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}
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public static boolean checkSilverfishSpawnRules(
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EntityType<Silverfish> entityType, LevelAccessor level, EntitySpawnReason spawnReason, BlockPos pos, RandomSource random
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) {
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if (!checkAnyLightMonsterSpawnRules(entityType, level, spawnReason, pos, random)) {
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return false;
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} else if (EntitySpawnReason.isSpawner(spawnReason)) {
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return true;
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} else {
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Player player = level.getNearestPlayer(pos.getX() + 0.5, pos.getY() + 0.5, pos.getZ() + 0.5, 5.0, true);
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return player == null;
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}
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}
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static class SilverfishMergeWithStoneGoal extends RandomStrollGoal {
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@Nullable
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private Direction selectedDirection;
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private boolean doMerge;
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public SilverfishMergeWithStoneGoal(Silverfish silverfish) {
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super(silverfish, 1.0, 10);
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this.setFlags(EnumSet.of(Goal.Flag.MOVE));
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}
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@Override
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public boolean canUse() {
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if (this.mob.getTarget() != null) {
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return false;
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} else if (!this.mob.getNavigation().isDone()) {
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return false;
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} else {
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RandomSource randomSource = this.mob.getRandom();
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if (getServerLevel(this.mob).getGameRules().getBoolean(GameRules.RULE_MOBGRIEFING) && randomSource.nextInt(reducedTickDelay(10)) == 0) {
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this.selectedDirection = Direction.getRandom(randomSource);
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BlockPos blockPos = BlockPos.containing(this.mob.getX(), this.mob.getY() + 0.5, this.mob.getZ()).relative(this.selectedDirection);
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BlockState blockState = this.mob.level().getBlockState(blockPos);
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if (InfestedBlock.isCompatibleHostBlock(blockState)) {
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this.doMerge = true;
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return true;
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}
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}
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this.doMerge = false;
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return super.canUse();
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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.doMerge ? false : super.canContinueToUse();
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}
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@Override
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public void start() {
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if (!this.doMerge) {
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super.start();
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} else {
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LevelAccessor levelAccessor = this.mob.level();
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BlockPos blockPos = BlockPos.containing(this.mob.getX(), this.mob.getY() + 0.5, this.mob.getZ()).relative(this.selectedDirection);
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BlockState blockState = levelAccessor.getBlockState(blockPos);
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if (InfestedBlock.isCompatibleHostBlock(blockState)) {
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levelAccessor.setBlock(blockPos, InfestedBlock.infestedStateByHost(blockState), 3);
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this.mob.spawnAnim();
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this.mob.discard();
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}
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}
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}
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}
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static class SilverfishWakeUpFriendsGoal extends Goal {
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private final Silverfish silverfish;
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private int lookForFriends;
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public SilverfishWakeUpFriendsGoal(Silverfish silverfish) {
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this.silverfish = silverfish;
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}
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public void notifyHurt() {
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if (this.lookForFriends == 0) {
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this.lookForFriends = this.adjustedTickDelay(20);
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}
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}
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@Override
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public boolean canUse() {
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return this.lookForFriends > 0;
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}
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@Override
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public void tick() {
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this.lookForFriends--;
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if (this.lookForFriends <= 0) {
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Level level = this.silverfish.level();
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RandomSource randomSource = this.silverfish.getRandom();
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BlockPos blockPos = this.silverfish.blockPosition();
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for (int i = 0; i <= 5 && i >= -5; i = (i <= 0 ? 1 : 0) - i) {
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for (int j = 0; j <= 10 && j >= -10; j = (j <= 0 ? 1 : 0) - j) {
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for (int k = 0; k <= 10 && k >= -10; k = (k <= 0 ? 1 : 0) - k) {
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BlockPos blockPos2 = blockPos.offset(j, i, k);
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BlockState blockState = level.getBlockState(blockPos2);
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Block block = blockState.getBlock();
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if (block instanceof InfestedBlock) {
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if (getServerLevel(level).getGameRules().getBoolean(GameRules.RULE_MOBGRIEFING)) {
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level.destroyBlock(blockPos2, true, this.silverfish);
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} else {
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level.setBlock(blockPos2, ((InfestedBlock)block).hostStateByInfested(level.getBlockState(blockPos2)), 3);
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}
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if (randomSource.nextBoolean()) {
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return;
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}
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}
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}
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}
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}
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}
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}
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}
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}
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