274 lines
13 KiB
Java
274 lines
13 KiB
Java
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package net.minecraft.world.level;
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import java.util.Optional;
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import java.util.function.Function;
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import javax.annotation.Nullable;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.particles.ParticleTypes;
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import net.minecraft.core.registries.BuiltInRegistries;
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import net.minecraft.nbt.CompoundTag;
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import net.minecraft.server.level.ServerLevel;
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import net.minecraft.util.RandomSource;
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import net.minecraft.util.random.WeightedList;
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import net.minecraft.world.Difficulty;
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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.EntitySpawnReason;
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import net.minecraft.world.entity.EntityType;
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import net.minecraft.world.entity.Mob;
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import net.minecraft.world.entity.SpawnPlacements;
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import net.minecraft.world.level.entity.EntityTypeTest;
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import net.minecraft.world.level.gameevent.GameEvent;
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import net.minecraft.world.phys.AABB;
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import net.minecraft.world.phys.Vec3;
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public abstract class BaseSpawner {
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public static final String SPAWN_DATA_TAG = "SpawnData";
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private static final int EVENT_SPAWN = 1;
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private static final int DEFAULT_SPAWN_DELAY = 20;
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private static final int DEFAULT_MIN_SPAWN_DELAY = 200;
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private static final int DEFAULT_MAX_SPAWN_DELAY = 800;
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private static final int DEFAULT_SPAWN_COUNT = 4;
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private static final int DEFAULT_MAX_NEARBY_ENTITIES = 6;
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private static final int DEFAULT_REQUIRED_PLAYER_RANGE = 16;
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private static final int DEFAULT_SPAWN_RANGE = 4;
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private int spawnDelay = 20;
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private WeightedList<SpawnData> spawnPotentials = WeightedList.of();
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@Nullable
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private SpawnData nextSpawnData;
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private double spin;
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private double oSpin;
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private int minSpawnDelay = 200;
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private int maxSpawnDelay = 800;
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private int spawnCount = 4;
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@Nullable
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private Entity displayEntity;
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private int maxNearbyEntities = 6;
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private int requiredPlayerRange = 16;
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private int spawnRange = 4;
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public void setEntityId(EntityType<?> p_253682_, @Nullable Level p_254041_, RandomSource p_254221_, BlockPos p_254050_) {
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this.getOrCreateNextSpawnData(p_254041_, p_254221_, p_254050_).getEntityToSpawn().putString("id", BuiltInRegistries.ENTITY_TYPE.getKey(p_253682_).toString());
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}
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private boolean isNearPlayer(Level p_151344_, BlockPos p_151345_) {
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return p_151344_.hasNearbyAlivePlayer(p_151345_.getX() + 0.5, p_151345_.getY() + 0.5, p_151345_.getZ() + 0.5, this.requiredPlayerRange);
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}
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public void clientTick(Level p_151320_, BlockPos p_151321_) {
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if (!this.isNearPlayer(p_151320_, p_151321_)) {
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this.oSpin = this.spin;
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} else if (this.displayEntity != null) {
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RandomSource randomsource = p_151320_.getRandom();
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double d0 = p_151321_.getX() + randomsource.nextDouble();
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double d1 = p_151321_.getY() + randomsource.nextDouble();
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double d2 = p_151321_.getZ() + randomsource.nextDouble();
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p_151320_.addParticle(ParticleTypes.SMOKE, d0, d1, d2, 0.0, 0.0, 0.0);
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p_151320_.addParticle(ParticleTypes.FLAME, d0, d1, d2, 0.0, 0.0, 0.0);
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if (this.spawnDelay > 0) {
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this.spawnDelay--;
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}
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this.oSpin = this.spin;
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this.spin = (this.spin + 1000.0F / (this.spawnDelay + 200.0F)) % 360.0;
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}
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}
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public void serverTick(ServerLevel p_151312_, BlockPos p_151313_) {
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if (this.isNearPlayer(p_151312_, p_151313_)) {
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if (this.spawnDelay == -1) {
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this.delay(p_151312_, p_151313_);
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}
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if (this.spawnDelay > 0) {
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this.spawnDelay--;
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} else {
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boolean flag = false;
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RandomSource randomsource = p_151312_.getRandom();
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SpawnData spawndata = this.getOrCreateNextSpawnData(p_151312_, randomsource, p_151313_);
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for (int i = 0; i < this.spawnCount; i++) {
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CompoundTag compoundtag = spawndata.getEntityToSpawn();
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Optional<EntityType<?>> optional = EntityType.by(compoundtag);
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if (optional.isEmpty()) {
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this.delay(p_151312_, p_151313_);
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return;
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}
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Vec3 vec3 = compoundtag.read("Pos", Vec3.CODEC)
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.orElseGet(
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() -> new Vec3(
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p_151313_.getX() + (randomsource.nextDouble() - randomsource.nextDouble()) * this.spawnRange + 0.5,
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p_151313_.getY() + randomsource.nextInt(3) - 1,
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p_151313_.getZ() + (randomsource.nextDouble() - randomsource.nextDouble()) * this.spawnRange + 0.5
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)
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);
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if (p_151312_.noCollision(optional.get().getSpawnAABB(vec3.x, vec3.y, vec3.z))) {
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BlockPos blockpos = BlockPos.containing(vec3);
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if (spawndata.getCustomSpawnRules().isPresent()) {
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if (!optional.get().getCategory().isFriendly() && p_151312_.getDifficulty() == Difficulty.PEACEFUL) {
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continue;
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}
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SpawnData.CustomSpawnRules spawndata$customspawnrules = spawndata.getCustomSpawnRules().get();
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if (!spawndata$customspawnrules.isValidPosition(blockpos, p_151312_)) {
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continue;
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}
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} else if (!SpawnPlacements.checkSpawnRules(optional.get(), p_151312_, EntitySpawnReason.SPAWNER, blockpos, p_151312_.getRandom())) {
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continue;
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}
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Entity entity = EntityType.loadEntityRecursive(compoundtag, p_151312_, EntitySpawnReason.SPAWNER, p_390874_ -> {
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p_390874_.snapTo(vec3.x, vec3.y, vec3.z, p_390874_.getYRot(), p_390874_.getXRot());
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return p_390874_;
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});
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if (entity == null) {
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this.delay(p_151312_, p_151313_);
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return;
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}
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int j = p_151312_.getEntities(
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EntityTypeTest.forExactClass(entity.getClass()),
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new AABB(
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p_151313_.getX(),
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p_151313_.getY(),
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p_151313_.getZ(),
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p_151313_.getX() + 1,
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p_151313_.getY() + 1,
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p_151313_.getZ() + 1
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)
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.inflate(this.spawnRange),
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EntitySelector.NO_SPECTATORS
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)
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.size();
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if (j >= this.maxNearbyEntities) {
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this.delay(p_151312_, p_151313_);
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return;
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}
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entity.snapTo(entity.getX(), entity.getY(), entity.getZ(), randomsource.nextFloat() * 360.0F, 0.0F);
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if (entity instanceof Mob mob) {
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if (spawndata.getCustomSpawnRules().isEmpty() && !mob.checkSpawnRules(p_151312_, EntitySpawnReason.SPAWNER) || !mob.checkSpawnObstruction(p_151312_)) {
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continue;
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}
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boolean flag1 = spawndata.getEntityToSpawn().size() == 1 && spawndata.getEntityToSpawn().getString("id").isPresent();
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if (flag1) {
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((Mob)entity).finalizeSpawn(p_151312_, p_151312_.getCurrentDifficultyAt(entity.blockPosition()), EntitySpawnReason.SPAWNER, null);
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}
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spawndata.getEquipment().ifPresent(mob::equip);
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}
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if (!p_151312_.tryAddFreshEntityWithPassengers(entity)) {
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this.delay(p_151312_, p_151313_);
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return;
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}
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p_151312_.levelEvent(2004, p_151313_, 0);
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p_151312_.gameEvent(entity, GameEvent.ENTITY_PLACE, blockpos);
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if (entity instanceof Mob) {
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((Mob)entity).spawnAnim();
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}
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flag = true;
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}
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}
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if (flag) {
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this.delay(p_151312_, p_151313_);
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}
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}
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}
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}
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private void delay(Level p_151351_, BlockPos p_151352_) {
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RandomSource randomsource = p_151351_.random;
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if (this.maxSpawnDelay <= this.minSpawnDelay) {
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this.spawnDelay = this.minSpawnDelay;
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} else {
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this.spawnDelay = this.minSpawnDelay + randomsource.nextInt(this.maxSpawnDelay - this.minSpawnDelay);
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}
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this.spawnPotentials.getRandom(randomsource).ifPresent(p_390869_ -> this.setNextSpawnData(p_151351_, p_151352_, p_390869_));
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this.broadcastEvent(p_151351_, p_151352_, 1);
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}
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public void load(@Nullable Level p_151329_, BlockPos p_151330_, CompoundTag p_151331_) {
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this.spawnDelay = p_151331_.getShortOr("Delay", (short)20);
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p_151331_.read("SpawnData", SpawnData.CODEC).ifPresent(p_390872_ -> this.setNextSpawnData(p_151329_, p_151330_, p_390872_));
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this.spawnPotentials = p_151331_.read("SpawnPotentials", SpawnData.LIST_CODEC)
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.orElseGet(() -> WeightedList.of(this.nextSpawnData != null ? this.nextSpawnData : new SpawnData()));
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this.minSpawnDelay = p_151331_.getIntOr("MinSpawnDelay", 200);
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this.maxSpawnDelay = p_151331_.getIntOr("MaxSpawnDelay", 800);
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this.spawnCount = p_151331_.getIntOr("SpawnCount", 4);
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this.maxNearbyEntities = p_151331_.getIntOr("MaxNearbyEntities", 6);
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this.requiredPlayerRange = p_151331_.getIntOr("RequiredPlayerRange", 16);
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this.spawnRange = p_151331_.getIntOr("SpawnRange", 4);
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this.displayEntity = null;
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}
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public CompoundTag save(CompoundTag p_186382_) {
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p_186382_.putShort("Delay", (short)this.spawnDelay);
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p_186382_.putShort("MinSpawnDelay", (short)this.minSpawnDelay);
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p_186382_.putShort("MaxSpawnDelay", (short)this.maxSpawnDelay);
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p_186382_.putShort("SpawnCount", (short)this.spawnCount);
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p_186382_.putShort("MaxNearbyEntities", (short)this.maxNearbyEntities);
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p_186382_.putShort("RequiredPlayerRange", (short)this.requiredPlayerRange);
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p_186382_.putShort("SpawnRange", (short)this.spawnRange);
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p_186382_.storeNullable("SpawnData", SpawnData.CODEC, this.nextSpawnData);
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p_186382_.store("SpawnPotentials", SpawnData.LIST_CODEC, this.spawnPotentials);
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return p_186382_;
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}
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@Nullable
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public Entity getOrCreateDisplayEntity(Level p_254323_, BlockPos p_254313_) {
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if (this.displayEntity == null) {
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CompoundTag compoundtag = this.getOrCreateNextSpawnData(p_254323_, p_254323_.getRandom(), p_254313_).getEntityToSpawn();
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if (compoundtag.getString("id").isEmpty()) {
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return null;
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}
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this.displayEntity = EntityType.loadEntityRecursive(compoundtag, p_254323_, EntitySpawnReason.SPAWNER, Function.identity());
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if (compoundtag.size() == 1 && this.displayEntity instanceof Mob) {
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}
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}
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return this.displayEntity;
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}
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public boolean onEventTriggered(Level p_151317_, int p_151318_) {
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if (p_151318_ == 1) {
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if (p_151317_.isClientSide) {
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this.spawnDelay = this.minSpawnDelay;
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}
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return true;
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} else {
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return false;
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}
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}
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protected void setNextSpawnData(@Nullable Level p_151325_, BlockPos p_151326_, SpawnData p_151327_) {
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this.nextSpawnData = p_151327_;
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}
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private SpawnData getOrCreateNextSpawnData(@Nullable Level p_254503_, RandomSource p_253892_, BlockPos p_254487_) {
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if (this.nextSpawnData != null) {
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return this.nextSpawnData;
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} else {
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this.setNextSpawnData(p_254503_, p_254487_, this.spawnPotentials.getRandom(p_253892_).orElseGet(SpawnData::new));
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return this.nextSpawnData;
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}
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}
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public abstract void broadcastEvent(Level p_151322_, BlockPos p_151323_, int p_151324_);
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public double getSpin() {
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return this.spin;
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}
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public double getoSpin() {
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return this.oSpin;
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}
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}
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