net.minecraft.server.MobSpawnerAbstract Maven / Gradle / Ivy

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package net.minecraft.server;

import com.google.common.collect.Lists;
import org.bukkit.craftbukkit.event.CraftEventFactory;
import org.bukkit.event.entity.CreatureSpawnEvent;
import org.bukkit.event.entity.SpawnerSpawnEvent;

import java.util.List;
// CraftBukkit end

public abstract class MobSpawnerAbstract {

  private final List mobs = Lists.newArrayList();
  public int spawnDelay = 20;
  private String mobName = "Pig";
  private MobSpawnerAbstract.a spawnData;
  private double e;
  private double f;
  public int minSpawnDelay = 200; // ChestMC - private -> public.
  public int maxSpawnDelay = 800; // ChestMC - private -> public.
  public int spawnCount = 4; // ChestMC - private -> public.
  private Entity j;
  public int maxNearbyEntities = 6; // ChestMC - private -> public.
  public int requiredPlayerRange = 16; // ChestMC - private -> public.
  public int spawnRange = 4; // ChestMC - private -> public.

  public MobSpawnerAbstract() {
  }

  public String getMobName() {
    if (this.i() == null) {
      // CraftBukkit start - fix NPE
      if (this.mobName == null) {
        this.mobName = "Pig";
      }
      // CraftBukkit end
      if (this.mobName.equals("Minecart")) {
        this.mobName = "MinecartRideable";
      }

      return this.mobName;
    } else {
      return this.i().d;
    }
  }

  public void setMobName(String s) {
    this.mobName = s;
  }

  private boolean g() {
    BlockPosition blockposition = this.b();

    return this.a().isPlayerNearby((double) blockposition.getX() + 0.5D, (double) blockposition.getY() + 0.5D, (double) blockposition.getZ() + 0.5D, this.requiredPlayerRange);
  }

  public void c() {
    if (this.g()) {
      BlockPosition blockposition = this.b();
      double d0;

      if (this.a().isClientSide) {
        double d1 = (float) blockposition.getX() + this.a().random.nextFloat();
        double d2 = (float) blockposition.getY() + this.a().random.nextFloat();

        d0 = (float) blockposition.getZ() + this.a().random.nextFloat();
        this.a().addParticle(EnumParticle.SMOKE_NORMAL, d1, d2, d0, 0.0D, 0.0D, 0.0D);
        this.a().addParticle(EnumParticle.FLAME, d1, d2, d0, 0.0D, 0.0D, 0.0D);
        if (this.spawnDelay > 0) {
          --this.spawnDelay;
        }

        this.f = this.e;
        this.e = (this.e + (double) (1000.0F / ((float) this.spawnDelay + 200.0F))) % 360.0D;
      } else {
        if (this.spawnDelay == -1) {
          this.h();
        }

        if (this.spawnDelay > 0) {
          --this.spawnDelay;
          return;
        }

        boolean flag = false;

        for (int i = 0; i < this.spawnCount; ++i) {
          Entity entity = EntityTypes.createEntityByName(this.getMobName(), this.a());

          if (entity == null) {
            return;
          }

          int j = this.a().a(entity.getClass(), (new AxisAlignedBB(blockposition.getX(), blockposition.getY(), blockposition.getZ(), blockposition.getX() + 1, blockposition.getY() + 1, blockposition.getZ() + 1)).grow(this.spawnRange, this.spawnRange, this.spawnRange)).size();

          if (j >= this.maxNearbyEntities) {
            this.h();
            return;
          }

          d0 = (double) blockposition.getX() + (this.a().random.nextDouble() - this.a().random.nextDouble()) * (double) this.spawnRange + 0.5D;
          double d3 = blockposition.getY() + this.a().random.nextInt(3) - 1;
          double d4 = (double) blockposition.getZ() + (this.a().random.nextDouble() - this.a().random.nextDouble()) * (double) this.spawnRange + 0.5D;
          EntityInsentient entityinsentient = entity instanceof EntityInsentient ? (EntityInsentient) entity : null;

          entity.setPositionRotation(d0, d3, d4, this.a().random.nextFloat() * 360.0F, 0.0F);
          if (entityinsentient == null || entityinsentient.bR() && entityinsentient.canSpawn()) {
            this.a(entity, true);
            this.a().triggerEffect(2004, blockposition, 0);
            if (entityinsentient != null) {
              entityinsentient.y();
            }

            flag = true;
          }
        }

        if (flag) {
          this.h();
        }
      }

    }
  }

  private Entity a(Entity entity, boolean flag) {
    if (this.i() != null) {
      NBTTagCompound nbttagcompound = new NBTTagCompound();

      entity.d(nbttagcompound);

      for (String s : this.i().c.c()) {
        NBTBase nbtbase = this.i().c.get(s);
        nbttagcompound.set(s, nbtbase.clone());
      }

      entity.f(nbttagcompound);
      if (entity.world != null && flag) {
        // CraftBukkit start - call SpawnerSpawnEvent, abort if cancelled
        SpawnerSpawnEvent event = CraftEventFactory.callSpawnerSpawnEvent(entity, this.b().getX(), this.b().getY(), this.b().getZ());
        if (!event.isCancelled()) {
          entity.world.addEntity(entity, CreatureSpawnEvent.SpawnReason.SPAWNER); // CraftBukkit
          // Spigot Start
          if (entity.world.spigotConfig.nerfSpawnerMobs) {
            entity.fromMobSpawner = true;
          }
          // Spigot End
        }
        // CraftBukkit end
      }

      NBTTagCompound nbttagcompound1;

      for (Entity entity1 = entity; nbttagcompound.hasKeyOfType("Riding", 10); nbttagcompound = nbttagcompound1) {
        nbttagcompound1 = nbttagcompound.getCompound("Riding");
        Entity entity2 = EntityTypes.createEntityByName(nbttagcompound1.getString("id"), entity.world);

        if (entity2 != null) {
          NBTTagCompound nbttagcompound2 = new NBTTagCompound();

          entity2.d(nbttagcompound2);

          for (String s1 : nbttagcompound1.c()) {
            NBTBase nbtbase1 = nbttagcompound1.get(s1);

            nbttagcompound2.set(s1, nbtbase1.clone());
          }

          entity2.f(nbttagcompound2);
          entity2.setPositionRotation(entity1.locX, entity1.locY, entity1.locZ, entity1.yaw, entity1.pitch);
          // CraftBukkit start - call SpawnerSpawnEvent, skip if cancelled
          SpawnerSpawnEvent event = CraftEventFactory.callSpawnerSpawnEvent(entity2, this.b().getX(), this.b().getY(), this.b().getZ());
          if (event.isCancelled()) {
            continue;
          }
          if (entity.world != null && flag) {
            entity.world.addEntity(entity2, CreatureSpawnEvent.SpawnReason.SPAWNER); // CraftBukkit
          }

          entity1.mount(entity2);
        }

        entity1 = entity2;
      }
    } else if (entity instanceof EntityLiving && entity.world != null && flag) {
      if (entity instanceof EntityInsentient) {
        ((EntityInsentient) entity).prepare(entity.world.E(new BlockPosition(entity)), null);
      }
      // Spigot start - call SpawnerSpawnEvent, abort if cancelled
      SpawnerSpawnEvent event = CraftEventFactory.callSpawnerSpawnEvent(entity, this.b().getX(), this.b().getY(), this.b().getZ());
      if (!event.isCancelled()) {
        entity.world.addEntity(entity, CreatureSpawnEvent.SpawnReason.SPAWNER); // CraftBukkit
        // Spigot Start
        if (entity.world.spigotConfig.nerfSpawnerMobs) {
          entity.fromMobSpawner = true;
        }
        // Spigot End
      }
      // Spigot end
    }

    return entity;
  }

  private void h() {
    if (this.maxSpawnDelay <= this.minSpawnDelay) {
      this.spawnDelay = this.minSpawnDelay;
    } else {
      int i = this.maxSpawnDelay - this.minSpawnDelay;

      this.spawnDelay = this.minSpawnDelay + this.a().random.nextInt(i);
    }

    if (this.mobs.size() > 0) {
      this.a(WeightedRandom.a(this.a().random, this.mobs));
    }

    this.a(1);
  }

  public void a(NBTTagCompound nbttagcompound) {
    this.mobName = nbttagcompound.getString("EntityId");
    this.spawnDelay = nbttagcompound.getShort("Delay");
    this.mobs.clear();
    if (nbttagcompound.hasKeyOfType("SpawnPotentials", 9)) {
      NBTTagList nbttaglist = nbttagcompound.getList("SpawnPotentials", 10);

      for (int i = 0; i < nbttaglist.size(); ++i) {
        this.mobs.add(new MobSpawnerAbstract.a(nbttaglist.get(i)));
      }
    }

    if (nbttagcompound.hasKeyOfType("SpawnData", 10)) {
      this.a(new MobSpawnerAbstract.a(nbttagcompound.getCompound("SpawnData"), this.mobName));
    } else {
      this.a((MobSpawnerAbstract.a) null);
    }

    if (nbttagcompound.hasKeyOfType("MinSpawnDelay", 99)) {
      this.minSpawnDelay = nbttagcompound.getShort("MinSpawnDelay");
      this.maxSpawnDelay = nbttagcompound.getShort("MaxSpawnDelay");
      this.spawnCount = nbttagcompound.getShort("SpawnCount");
    }

    if (nbttagcompound.hasKeyOfType("MaxNearbyEntities", 99)) {
      this.maxNearbyEntities = nbttagcompound.getShort("MaxNearbyEntities");
      this.requiredPlayerRange = nbttagcompound.getShort("RequiredPlayerRange");
    }

    if (nbttagcompound.hasKeyOfType("SpawnRange", 99)) {
      this.spawnRange = nbttagcompound.getShort("SpawnRange");
    }

    if (this.a() != null) {
      this.j = null;
    }

  }

  public void b(NBTTagCompound nbttagcompound) {
    String s = this.getMobName();

    if (!UtilColor.b(s)) {
      nbttagcompound.setString("EntityId", s);
      nbttagcompound.setShort("Delay", (short) this.spawnDelay);
      nbttagcompound.setShort("MinSpawnDelay", (short) this.minSpawnDelay);
      nbttagcompound.setShort("MaxSpawnDelay", (short) this.maxSpawnDelay);
      nbttagcompound.setShort("SpawnCount", (short) this.spawnCount);
      nbttagcompound.setShort("MaxNearbyEntities", (short) this.maxNearbyEntities);
      nbttagcompound.setShort("RequiredPlayerRange", (short) this.requiredPlayerRange);
      nbttagcompound.setShort("SpawnRange", (short) this.spawnRange);
      if (this.i() != null) {
        nbttagcompound.set("SpawnData", this.i().c.clone());
      }

      if (this.i() != null || this.mobs.size() > 0) {
        NBTTagList nbttaglist = new NBTTagList();

        if (this.mobs.size() > 0) {
          for (a mobspawnerabstract_a : this.mobs) {
            nbttaglist.add(mobspawnerabstract_a.a());
          }
        } else {
          nbttaglist.add(this.i().a());
        }

        nbttagcompound.set("SpawnPotentials", nbttaglist);
      }

    }
  }

  public boolean b(int i) {
    if (i == 1 && this.a().isClientSide) {
      this.spawnDelay = this.minSpawnDelay;
      return true;
    } else {
      return false;
    }
  }

  private MobSpawnerAbstract.a i() {
    return this.spawnData;
  }

  public void a(MobSpawnerAbstract.a mobspawnerabstract_a) {
    this.spawnData = mobspawnerabstract_a;
  }

  public abstract void a(int i);

  public abstract World a();

  public abstract BlockPosition b();

  public class a extends WeightedRandom.WeightedRandomChoice {

    private final NBTTagCompound c;
    private final String d;

    public a(NBTTagCompound nbttagcompound) {
      this(nbttagcompound.getCompound("Properties"), nbttagcompound.getString("Type"), nbttagcompound.getInt("Weight"));
    }

    public a(NBTTagCompound nbttagcompound, String s) {
      this(nbttagcompound, s, 1);
    }

    private a(NBTTagCompound nbttagcompound, String s, int i) {
      super(i);
      if (s.equals("Minecart")) {
        if (nbttagcompound != null) {
          s = EntityMinecartAbstract.EnumMinecartType.a(nbttagcompound.getInt("Type")).b();
        } else {
          s = "MinecartRideable";
        }
      }

      this.c = nbttagcompound;
      this.d = s;
    }

    public NBTTagCompound a() {
      NBTTagCompound nbttagcompound = new NBTTagCompound();

      nbttagcompound.set("Properties", this.c);
      nbttagcompound.setString("Type", this.d);
      nbttagcompound.setInt("Weight", this.a);
      return nbttagcompound;
    }
  }
}