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• EntityArrow.java

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

package net.minecraft.server;

import org.bukkit.entity.Arrow;
import org.bukkit.entity.LivingEntity;
import org.bukkit.event.entity.EntityCombustByEntityEvent;
import org.bukkit.event.player.PlayerPickupItemEvent;
import org.jetbrains.annotations.NotNull;

import java.util.List;
// CraftBukkit end

public class EntityArrow extends Entity implements IProjectile {

  public boolean inGround = false; // Spigot - private -> public
  public int fromPlayer;
  public int shake;
  public Entity shooter;
  public int knockbackStrength;
  private int d = -1;
  private int e = -1;
  private int f = -1;
  private Block g;
  private int h;
  private int ar;
  private int as;
  private double damage = 2.0D;

  public EntityArrow(World world) {
    super(world);
    this.j = 10.0D;
    this.setSize(0.5F, 0.5F);
  }
  // Spigot End

  public EntityArrow(World world, double d0, double d1, double d2) {
    super(world);
    this.j = 10.0D;
    this.setSize(0.5F, 0.5F);
    this.setPosition(d0, d1, d2);
  }

  public EntityArrow(World world, EntityLiving entityliving, EntityLiving entityliving1, float f, float f1) {
    super(world);
    this.j = 10.0D;
    this.shooter = entityliving;
    this.projectileSource = (LivingEntity) entityliving.getBukkitEntity(); // CraftBukkit
    if (entityliving instanceof EntityHuman) {
      this.fromPlayer = 1;
    }

    this.locY = entityliving.locY + (double) entityliving.getHeadHeight() - 0.10000000149011612D;
    double d0 = entityliving1.locX - entityliving.locX;
    double d1 = entityliving1.getBoundingBox().b + (double) (entityliving1.length / 3.0F) - this.locY;
    double d2 = entityliving1.locZ - entityliving.locZ;
    double d3 = MathHelper.sqrt(d0 * d0 + d2 * d2);

    if (d3 >= 1.0E-7D) {
      float f2 = (float) (MathHelper.b(d2, d0) * 180.0D / 3.1415927410125732D) - 90.0F;
      float f3 = (float) (-(MathHelper.b(d1, d3) * 180.0D / 3.1415927410125732D));
      double d4 = d0 / d3;
      double d5 = d2 / d3;

      this.setPositionRotation(entityliving.locX + d4, this.locY, entityliving.locZ + d5, f2, f3);
      float f4 = (float) (d3 * 0.20000000298023224D);

      this.shoot(d0, d1 + (double) f4, d2, f, f1);
    }
  }

  public EntityArrow(World world, EntityLiving entityliving, float f) {
    super(world);
    this.j = 10.0D;
    this.shooter = entityliving;
    this.projectileSource = (LivingEntity) entityliving.getBukkitEntity(); // CraftBukkit
    if (entityliving instanceof EntityHuman) {
      this.fromPlayer = 1;
    }

    this.setSize(0.5F, 0.5F);
    this.setPositionRotation(entityliving.locX, entityliving.locY + (double) entityliving.getHeadHeight(), entityliving.locZ, entityliving.yaw, entityliving.pitch);
    this.locX -= MathHelper.cos(this.yaw / 180.0F * 3.1415927F) * 0.16F;
    this.locY -= 0.10000000149011612D;
    this.locZ -= MathHelper.sin(this.yaw / 180.0F * 3.1415927F) * 0.16F;
    this.setPosition(this.locX, this.locY, this.locZ);
    this.motX = -MathHelper.sin(this.yaw / 180.0F * 3.1415927F) * MathHelper.cos(this.pitch / 180.0F * 3.1415927F);
    this.motZ = MathHelper.cos(this.yaw / 180.0F * 3.1415927F) * MathHelper.cos(this.pitch / 180.0F * 3.1415927F);
    this.motY = -MathHelper.sin(this.pitch / 180.0F * 3.1415927F);
    this.shoot(this.motX, this.motY, this.motZ, f * 1.5F, 1.0F);
  }

  @NotNull
  @Override
  public Arrow getEntity() {
    return (Arrow) super.getEntity();
  }

  // Spigot Start
  @Override
  public void inactiveTick() {
    if (this.inGround) {
      this.ar += 1; // Despawn counter. First int after shooter
    }
    super.inactiveTick();
  }

  protected void h() {
    this.datawatcher.a(16, Byte.valueOf((byte) 0));
  }

  public void shoot(double d0, double d1, double d2, float f, float f1) {
    float f2 = MathHelper.sqrt(d0 * d0 + d1 * d1 + d2 * d2);

    d0 /= f2;
    d1 /= f2;
    d2 /= f2;
    d0 += this.random.nextGaussian() * (double) (this.random.nextBoolean() ? -1 : 1) * 0.007499999832361937D * (double) f1;
    d1 += this.random.nextGaussian() * (double) (this.random.nextBoolean() ? -1 : 1) * 0.007499999832361937D * (double) f1;
    d2 += this.random.nextGaussian() * (double) (this.random.nextBoolean() ? -1 : 1) * 0.007499999832361937D * (double) f1;
    d0 *= f;
    d1 *= f;
    d2 *= f;
    this.motX = d0;
    this.motY = d1;
    this.motZ = d2;
    float f3 = MathHelper.sqrt(d0 * d0 + d2 * d2);

    this.lastYaw = this.yaw = (float) (MathHelper.b(d0, d2) * 180.0D / 3.1415927410125732D);
    this.lastPitch = this.pitch = (float) (MathHelper.b(d1, f3) * 180.0D / 3.1415927410125732D);
    this.ar = 0;
  }

  public void t_() {
    super.t_();
    if (this.lastPitch == 0.0F && this.lastYaw == 0.0F) {
      float f = MathHelper.sqrt(this.motX * this.motX + this.motZ * this.motZ);

      this.lastYaw = this.yaw = (float) (MathHelper.b(this.motX, this.motZ) * 180.0D / 3.1415927410125732D);
      this.lastPitch = this.pitch = (float) (MathHelper.b(this.motY, f) * 180.0D / 3.1415927410125732D);
    }

    BlockPosition blockposition = new BlockPosition(this.d, this.e, this.f);
    IBlockData iblockdata = this.world.getType(blockposition);
    Block block = iblockdata.getBlock();

    if (block.getMaterial() != Material.AIR) {
      block.updateShape(this.world, blockposition);
      AxisAlignedBB axisalignedbb = block.a(this.world, blockposition, iblockdata);

      if (axisalignedbb != null && axisalignedbb.a(new Vec3D(this.locX, this.locY, this.locZ))) {
        this.inGround = true;
      }
    }

    if (this.shake > 0) {
      --this.shake;
    }

    if (this.inGround) {
      int i = block.toLegacyData(iblockdata);

      if (block == this.g && i == this.h) {
        ++this.ar;
        if (this.ar >= world.spigotConfig.arrowDespawnRate) { // Spigot - First int after shooter
          this.die();
        }
      } else {
        this.inGround = false;
        this.motX *= this.random.nextFloat() * 0.2F;
        this.motY *= this.random.nextFloat() * 0.2F;
        this.motZ *= this.random.nextFloat() * 0.2F;
        this.ar = 0;
        this.as = 0;
      }

    } else {
      ++this.as;
      Vec3D vec3d = new Vec3D(this.locX, this.locY, this.locZ);
      Vec3D vec3d1 = new Vec3D(this.locX + this.motX, this.locY + this.motY, this.locZ + this.motZ);
      MovingObjectPosition movingobjectposition = this.world.rayTrace(vec3d, vec3d1, false, true, false);

      vec3d = new Vec3D(this.locX, this.locY, this.locZ);
      vec3d1 = new Vec3D(this.locX + this.motX, this.locY + this.motY, this.locZ + this.motZ);
      if (movingobjectposition != null) {
        vec3d1 = new Vec3D(movingobjectposition.pos.a, movingobjectposition.pos.b, movingobjectposition.pos.c);
      }

      Entity entity = null;
      List list = this.world.getEntities(this, this.getBoundingBox().a(this.motX, this.motY, this.motZ).grow(1.0D, 1.0D, 1.0D));
      double d0 = 0.0D;

      int j;
      float f1;

      for (j = 0; j < list.size(); ++j) {
        Entity entity1 = (Entity) list.get(j);

        if (entity1.ad() && (entity1 != this.shooter || this.as >= 5)) {
          f1 = 0.3F;
          AxisAlignedBB axisalignedbb1 = entity1.getBoundingBox().grow(f1, f1, f1);
          MovingObjectPosition movingobjectposition1 = axisalignedbb1.a(vec3d, vec3d1);

          if (movingobjectposition1 != null) {
            double d1 = vec3d.distanceSquared(movingobjectposition1.pos);

            if (d1 < d0 || d0 == 0.0D) {
              entity = entity1;
              d0 = d1;
            }
          }
        }
      }

      if (entity != null) {
        movingobjectposition = new MovingObjectPosition(entity);
      }

      if (movingobjectposition != null && movingobjectposition.entity != null && movingobjectposition.entity instanceof EntityHuman) {
        EntityHuman entityhuman = (EntityHuman) movingobjectposition.entity;

        if (entityhuman.abilities.isInvulnerable || this.shooter instanceof EntityHuman && !((EntityHuman) this.shooter).a(entityhuman)) {
          movingobjectposition = null;
        }
      }

      float f2;
      float f3;

      if (movingobjectposition != null) {
        org.bukkit.craftbukkit.event.CraftEventFactory.callProjectileHitEvent(this); // CraftBukkit - Call event
        if (movingobjectposition.entity != null) {
          f2 = MathHelper.sqrt(this.motX * this.motX + this.motY * this.motY + this.motZ * this.motZ);
          int k = MathHelper.f((double) f2 * this.damage);

          if (this.isCritical()) {
            k += this.random.nextInt(k / 2 + 2);
          }

          DamageSource damagesource;

          if (this.shooter == null) {
            damagesource = DamageSource.arrow(this, this);
          } else {
            damagesource = DamageSource.arrow(this, this.shooter);
          }

          // CraftBukkit start - Moved damage call
          if (movingobjectposition.entity.damageEntity(damagesource, (float) k)) {
            if (this.isBurning() && !(movingobjectposition.entity instanceof EntityEnderman) && (!(movingobjectposition.entity instanceof EntityPlayer) || !(this.shooter instanceof EntityPlayer) || this.world.pvpMode)) { // CraftBukkit - abide by pvp setting if destination is a player
              EntityCombustByEntityEvent combustEvent = new EntityCombustByEntityEvent(this.getBukkitEntity(), entity.getBukkitEntity(), 5);
              org.bukkit.Bukkit.getPluginManager().callEvent(combustEvent);
              if (!combustEvent.isCancelled()) {
                movingobjectposition.entity.setOnFire(combustEvent.getDuration());
              }
              // CraftBukkit end
            }

            // if (movingobjectposition.entity.damageEntity(damagesource, (float) k)) { // CraftBukkit - moved up
            if (movingobjectposition.entity instanceof EntityLiving) {
              EntityLiving entityliving = (EntityLiving) movingobjectposition.entity;

              if (!this.world.isClientSide) {
                entityliving.o(entityliving.bv() + 1);
              }

              if (this.knockbackStrength > 0) {
                f3 = MathHelper.sqrt(this.motX * this.motX + this.motZ * this.motZ);
                if (f3 > 0.0F) {
                  movingobjectposition.entity.g(this.motX * (double) this.knockbackStrength * 0.6000000238418579D / (double) f3, 0.1D, this.motZ * (double) this.knockbackStrength * 0.6000000238418579D / (double) f3);
                }
              }

              if (this.shooter instanceof EntityLiving) {
                EnchantmentManager.a(entityliving, this.shooter);
                EnchantmentManager.b((EntityLiving) this.shooter, entityliving);
              }

              if (this.shooter != null && movingobjectposition.entity != this.shooter && movingobjectposition.entity instanceof EntityHuman && this.shooter instanceof EntityPlayer) {
                ((EntityPlayer) this.shooter).playerConnection.sendPacket(new PacketPlayOutGameStateChange(6, 0.0F));
              }
            }

            this.makeSound("random.bowhit", 1.0F, 1.2F / (this.random.nextFloat() * 0.2F + 0.9F));
            if (!(movingobjectposition.entity instanceof EntityEnderman)) {
              this.die();
            }
          } else {
            this.motX *= -0.10000000149011612D;
            this.motY *= -0.10000000149011612D;
            this.motZ *= -0.10000000149011612D;
            this.yaw += 180.0F;
            this.lastYaw += 180.0F;
            this.as = 0;
          }
        } else {
          BlockPosition blockposition1 = movingobjectposition.a();

          this.d = blockposition1.getX();
          this.e = blockposition1.getY();
          this.f = blockposition1.getZ();
          IBlockData iblockdata1 = this.world.getType(blockposition1);

          this.g = iblockdata1.getBlock();
          this.h = this.g.toLegacyData(iblockdata1);
          this.motX = (float) (movingobjectposition.pos.a - this.locX);
          this.motY = (float) (movingobjectposition.pos.b - this.locY);
          this.motZ = (float) (movingobjectposition.pos.c - this.locZ);
          f1 = MathHelper.sqrt(this.motX * this.motX + this.motY * this.motY + this.motZ * this.motZ);
          this.locX -= this.motX / (double) f1 * 0.05000000074505806D;
          this.locY -= this.motY / (double) f1 * 0.05000000074505806D;
          this.locZ -= this.motZ / (double) f1 * 0.05000000074505806D;
          this.makeSound("random.bowhit", 1.0F, 1.2F / (this.random.nextFloat() * 0.2F + 0.9F));
          this.inGround = true;
          this.shake = 7;
          this.setCritical(false);
          if (this.g.getMaterial() != Material.AIR) {
            this.g.a(this.world, blockposition1, iblockdata1, this);
          }
        }
      }

      if (this.isCritical()) {
        for (j = 0; j < 4; ++j) {
          this.world.addParticle(EnumParticle.CRIT, this.locX + this.motX * (double) j / 4.0D, this.locY + this.motY * (double) j / 4.0D, this.locZ + this.motZ * (double) j / 4.0D, -this.motX, -this.motY + 0.2D, -this.motZ);
        }
      }

      this.locX += this.motX;
      this.locY += this.motY;
      this.locZ += this.motZ;
      f2 = MathHelper.sqrt(this.motX * this.motX + this.motZ * this.motZ);
      this.yaw = (float) (MathHelper.b(this.motX, this.motZ) * 180.0D / 3.1415927410125732D);

      for (this.pitch = (float) (MathHelper.b(this.motY, f2) * 180.0D / 3.1415927410125732D); this.pitch - this.lastPitch < -180.0F; this.lastPitch -= 360.0F) {
      }

      while (this.pitch - this.lastPitch >= 180.0F) {
        this.lastPitch += 360.0F;
      }

      while (this.yaw - this.lastYaw < -180.0F) {
        this.lastYaw -= 360.0F;
      }

      while (this.yaw - this.lastYaw >= 180.0F) {
        this.lastYaw += 360.0F;
      }

      this.pitch = this.lastPitch + (this.pitch - this.lastPitch) * 0.2F;
      this.yaw = this.lastYaw + (this.yaw - this.lastYaw) * 0.2F;
      float f4 = 0.99F;

      f1 = 0.05F;
      if (this.V()) {
        for (int l = 0; l < 4; ++l) {
          f3 = 0.25F;
          this.world.addParticle(EnumParticle.WATER_BUBBLE, this.locX - this.motX * (double) f3, this.locY - this.motY * (double) f3, this.locZ - this.motZ * (double) f3, this.motX, this.motY, this.motZ);
        }

        f4 = 0.6F;
      }

      if (this.U()) {
        this.extinguish();
      }

      this.motX *= f4;
      this.motY *= f4;
      this.motZ *= f4;
      this.motY -= f1;
      this.setPosition(this.locX, this.locY, this.locZ);
      this.checkBlockCollisions();
    }
  }

  public void b(NBTTagCompound nbttagcompound) {
    nbttagcompound.setShort("xTile", (short) this.d);
    nbttagcompound.setShort("yTile", (short) this.e);
    nbttagcompound.setShort("zTile", (short) this.f);
    nbttagcompound.setShort("life", (short) this.ar);
    MinecraftKey minecraftkey = Block.REGISTRY.c(this.g);

    nbttagcompound.setString("inTile", minecraftkey == null ? "" : minecraftkey.toString());
    nbttagcompound.setByte("inData", (byte) this.h);
    nbttagcompound.setByte("shake", (byte) this.shake);
    nbttagcompound.setByte("inGround", (byte) (this.inGround ? 1 : 0));
    nbttagcompound.setByte("pickup", (byte) this.fromPlayer);
    nbttagcompound.setDouble("damage", this.damage);
  }

  public void a(NBTTagCompound nbttagcompound) {
    this.d = nbttagcompound.getShort("xTile");
    this.e = nbttagcompound.getShort("yTile");
    this.f = nbttagcompound.getShort("zTile");
    this.ar = nbttagcompound.getShort("life");
    if (nbttagcompound.hasKeyOfType("inTile", 8)) {
      this.g = Block.getByName(nbttagcompound.getString("inTile"));
    } else {
      this.g = Block.getById(nbttagcompound.getByte("inTile") & 255);
    }

    this.h = nbttagcompound.getByte("inData") & 255;
    this.shake = nbttagcompound.getByte("shake") & 255;
    this.inGround = nbttagcompound.getByte("inGround") == 1;
    if (nbttagcompound.hasKeyOfType("damage", 99)) {
      this.damage = nbttagcompound.getDouble("damage");
    }

    if (nbttagcompound.hasKeyOfType("pickup", 99)) {
      this.fromPlayer = nbttagcompound.getByte("pickup");
    } else if (nbttagcompound.hasKeyOfType("player", 99)) {
      this.fromPlayer = nbttagcompound.getBoolean("player") ? 1 : 0;
    }

  }

  public void d(EntityHuman entityhuman) {
    if (!this.world.isClientSide && this.inGround && this.shake <= 0) {
      // CraftBukkit start
      ItemStack itemstack = new ItemStack(Items.ARROW);
      if (this.fromPlayer == 1 && entityhuman.inventory.canHold(itemstack) > 0) {
        EntityItem item = new EntityItem(this.world, this.locX, this.locY, this.locZ, itemstack);

        PlayerPickupItemEvent event = new PlayerPickupItemEvent((org.bukkit.entity.Player) entityhuman.getBukkitEntity(), new org.bukkit.craftbukkit.entity.CraftItem(this.world.getServer(), this, item), 0);
        // event.setCancelled(!entityhuman.canPickUpLoot); TODO
        this.world.getServer().getPluginManager().callEvent(event);

        if (event.isCancelled()) {
          return;
        }
      }
      // CraftBukkit end
      boolean flag = this.fromPlayer == 1 || this.fromPlayer == 2 && entityhuman.abilities.canInstantlyBuild;

      if (this.fromPlayer == 1 && !entityhuman.inventory.pickup(new ItemStack(Items.ARROW, 1))) {
        flag = false;
      }

      if (flag) {
        this.makeSound("random.pop", 0.2F, ((this.random.nextFloat() - this.random.nextFloat()) * 0.7F + 1.0F) * 2.0F);
        entityhuman.receive(this, 1);
        this.die();
      }

    }
  }

  protected boolean s_() {
    return false;
  }

  public void b(double d0) {
    this.damage = d0;
  }

  public double j() {
    return this.damage;
  }

  public void setKnockbackStrength(int i) {
    this.knockbackStrength = i;
  }

  public boolean aD() {
    return false;
  }

  public float getHeadHeight() {
    return 0.0F;
  }

  public boolean isCritical() {
    byte b0 = this.datawatcher.getByte(16);

    return (b0 & 1) != 0;
  }

  public void setCritical(boolean flag) {
    byte b0 = this.datawatcher.getByte(16);

    if (flag) {
      this.datawatcher.watch(16, Byte.valueOf((byte) (b0 | 1)));
    } else {
      this.datawatcher.watch(16, Byte.valueOf((byte) (b0 & -2)));
    }

  }

  // CraftBukkit start
  public boolean isInGround() {
    return inGround;
  }
  // CraftBukkit end
}