package net.minecraft.server; import java.util.Iterator; import java.util.List; // CraftBukkit start import org.bukkit.Bukkit; import org.bukkit.craftbukkit.CraftWorld; import org.bukkit.event.entity.EntityDamageByEntityEvent; import org.bukkit.event.entity.EntityDamageEvent; import org.bukkit.event.entity.EntityExplodeEvent; import java.util.ArrayList; // CraftBukkit end public class EntityEnderDragon extends EntityComplex { public double a; public double b; public double c; public double[][] d = new double[64][3]; public int e = -1; public EntityComplexPart[] children; public EntityComplexPart g; public EntityComplexPart h; public EntityComplexPart i; public EntityComplexPart j; public EntityComplexPart k; public EntityComplexPart l; public EntityComplexPart m; public float n = 0.0F; public float o = 0.0F; public boolean p = false; public boolean q = false; private Entity u; public int r = 0; public EntityEnderCrystal s = null; public EntityEnderDragon(World world) { super(world); this.children = new EntityComplexPart[] { this.g = new EntityComplexPart(this, "head", 6.0F, 6.0F), this.h = new EntityComplexPart(this, "body", 8.0F, 8.0F), this.i = new EntityComplexPart(this, "tail", 4.0F, 4.0F), this.j = new EntityComplexPart(this, "tail", 4.0F, 4.0F), this.k = new EntityComplexPart(this, "tail", 4.0F, 4.0F), this.l = new EntityComplexPart(this, "wing", 4.0F, 4.0F), this.m = new EntityComplexPart(this, "wing", 4.0F, 4.0F)}; this.t = 200; this.setHealth(this.t); this.texture = "/mob/enderdragon/ender.png"; this.b(16.0F, 8.0F); this.bN = true; this.fireProof = true; this.b = 100.0D; this.ca = true; } protected void b() { super.b(); this.datawatcher.a(16, new Integer(this.t)); } public double[] a(int i, float f) { if (this.health <= 0) { f = 0.0F; } f = 1.0F - f; int j = this.e - i * 1 & 63; int k = this.e - i * 1 - 1 & 63; double[] adouble = new double[3]; double d0 = this.d[j][0]; double d1; for (d1 = this.d[k][0] - d0; d1 < -180.0D; d1 += 360.0D) { ; } while (d1 >= 180.0D) { d1 -= 360.0D; } adouble[0] = d0 + d1 * (double) f; d0 = this.d[j][1]; d1 = this.d[k][1] - d0; adouble[1] = d0 + d1 * (double) f; adouble[2] = this.d[j][2] + (this.d[k][2] - this.d[j][2]) * (double) f; return adouble; } public void d() { this.n = this.o; if (!this.world.isStatic) { this.datawatcher.watch(16, Integer.valueOf(this.health)); } float f; float f1; float d05; if (this.health <= 0) { f = (this.random.nextFloat() - 0.5F) * 8.0F; d05 = (this.random.nextFloat() - 0.5F) * 4.0F; f1 = (this.random.nextFloat() - 0.5F) * 8.0F; this.world.a("largeexplode", this.locX + (double) f, this.locY + 2.0D + (double) d05, this.locZ + (double) f1, 0.0D, 0.0D, 0.0D); } else { this.w(); f = 0.2F / (MathHelper.a(this.motX * this.motX + this.motZ * this.motZ) * 10.0F + 1.0F); f *= (float) Math.pow(2.0D, this.motY); if (this.q) { this.o += f * 0.5F; } else { this.o += f; } while (this.yaw >= 180.0F) { this.yaw -= 360.0F; } while (this.yaw < -180.0F) { this.yaw += 360.0F; } if (this.e < 0) { for (int i = 0; i < this.d.length; ++i) { this.d[i][0] = (double) this.yaw; this.d[i][1] = this.locY; } } if (++this.e == this.d.length) { this.e = 0; } this.d[this.e][0] = (double) this.yaw; this.d[this.e][1] = this.locY; double d0; double d1; double d2; double d3; float f3; if (this.world.isStatic) { if (this.aK > 0) { d0 = this.locX + (this.aL - this.locX) / (double) this.aK; d1 = this.locY + (this.aM - this.locY) / (double) this.aK; d2 = this.locZ + (this.aN - this.locZ) / (double) this.aK; for (d3 = this.aO - (double) this.yaw; d3 < -180.0D; d3 += 360.0D) { ; } while (d3 >= 180.0D) { d3 -= 360.0D; } this.yaw = (float) ((double) this.yaw + d3 / (double) this.aK); this.pitch = (float) ((double) this.pitch + (this.aP - (double) this.pitch) / (double) this.aK); --this.aK; this.setPosition(d0, d1, d2); this.c(this.yaw, this.pitch); } } else { d0 = this.a - this.locX; d1 = this.b - this.locY; d2 = this.c - this.locZ; d3 = d0 * d0 + d1 * d1 + d2 * d2; if (this.u != null) { this.a = this.u.locX; this.c = this.u.locZ; double d4 = this.a - this.locX; double d5 = this.c - this.locZ; double d6 = Math.sqrt(d4 * d4 + d5 * d5); double d7 = 0.4000000059604645D + d6 / 80.0D - 1.0D; if (d7 > 10.0D) { d7 = 10.0D; } this.b = this.u.boundingBox.b + d7; } else { this.a += this.random.nextGaussian() * 2.0D; this.c += this.random.nextGaussian() * 2.0D; } if (this.p || d3 < 100.0D || d3 > 22500.0D || this.positionChanged || this.bw) { this.A(); } d1 /= (double) MathHelper.a(d0 * d0 + d2 * d2); f3 = 0.6F; if (d1 < (double) (-f3)) { d1 = (double) (-f3); } if (d1 > (double) f3) { d1 = (double) f3; } for (this.motY += d1 * 0.10000000149011612D; this.yaw < -180.0F; this.yaw += 360.0F) { ; } while (this.yaw >= 180.0F) { this.yaw -= 360.0F; } double d8 = 180.0D - Math.atan2(d0, d2) * 180.0D / 3.1415927410125732D; double d9; for (d9 = d8 - (double) this.yaw; d9 < -180.0D; d9 += 360.0D) { ; } while (d9 >= 180.0D) { d9 -= 360.0D; } if (d9 > 50.0D) { d9 = 50.0D; } if (d9 < -50.0D) { d9 = -50.0D; } Vec3D vec3d = Vec3D.create(this.a - this.locX, this.b - this.locY, this.c - this.locZ).b(); Vec3D vec3d1 = Vec3D.create((double) MathHelper.sin(this.yaw * 3.1415927F / 180.0F), this.motY, (double) (-MathHelper.cos(this.yaw * 3.1415927F / 180.0F))).b(); float f4 = (float) (vec3d1.a(vec3d) + 0.5D) / 1.5F; if (f4 < 0.0F) { f4 = 0.0F; } this.aV *= 0.8F; float f5 = MathHelper.a(this.motX * this.motX + this.motZ * this.motZ) * 1.0F + 1.0F; double d10 = Math.sqrt(this.motX * this.motX + this.motZ * this.motZ) * 1.0D + 1.0D; if (d10 > 40.0D) { d10 = 40.0D; } this.aV = (float) ((double) this.aV + d9 * (0.699999988079071D / d10 / (double) f5)); this.yaw += this.aV * 0.1F; float f6 = (float) (2.0D / (d10 + 1.0D)); float f7 = 0.06F; this.a(0.0F, -1.0F, f7 * (f4 * f6 + (1.0F - f6))); if (this.q) { this.move(this.motX * 0.800000011920929D, this.motY * 0.800000011920929D, this.motZ * 0.800000011920929D); } else { this.move(this.motX, this.motY, this.motZ); } Vec3D vec3d2 = Vec3D.create(this.motX, this.motY, this.motZ).b(); float f8 = (float) (vec3d2.a(vec3d1) + 1.0D) / 2.0F; f8 = 0.8F + 0.15F * f8; this.motX *= (double) f8; this.motZ *= (double) f8; this.motY *= 0.9100000262260437D; } this.V = this.yaw; this.g.width = this.g.length = 3.0F; this.i.width = this.i.length = 2.0F; this.j.width = this.j.length = 2.0F; this.k.width = this.k.length = 2.0F; this.h.length = 3.0F; this.h.width = 5.0F; this.l.length = 2.0F; this.l.width = 4.0F; this.m.length = 3.0F; this.m.width = 4.0F; d05 = (float) (this.a(5, 1.0F)[1] - this.a(10, 1.0F)[1]) * 10.0F / 180.0F * 3.1415927F; f1 = MathHelper.cos(d05); float f9 = -MathHelper.sin(d05); float f10 = this.yaw * 3.1415927F / 180.0F; float f11 = MathHelper.sin(f10); float f12 = MathHelper.cos(f10); this.h.w_(); this.h.setPositionRotation(this.locX + (double) (f11 * 0.5F), this.locY, this.locZ - (double) (f12 * 0.5F), 0.0F, 0.0F); this.l.w_(); this.l.setPositionRotation(this.locX + (double) (f12 * 4.5F), this.locY + 2.0D, this.locZ + (double) (f11 * 4.5F), 0.0F, 0.0F); this.m.w_(); this.m.setPositionRotation(this.locX - (double) (f12 * 4.5F), this.locY + 2.0D, this.locZ - (double) (f11 * 4.5F), 0.0F, 0.0F); if (!this.world.isStatic) { this.y(); } if (!this.world.isStatic && this.as == 0) { this.a(this.world.getEntities(this, this.l.boundingBox.grow(4.0D, 2.0D, 4.0D).d(0.0D, -2.0D, 0.0D))); this.a(this.world.getEntities(this, this.m.boundingBox.grow(4.0D, 2.0D, 4.0D).d(0.0D, -2.0D, 0.0D))); this.b(this.world.getEntities(this, this.g.boundingBox.grow(1.0D, 1.0D, 1.0D))); } double[] adouble = this.a(5, 1.0F); double[] adouble1 = this.a(0, 1.0F); f3 = MathHelper.sin(this.yaw * 3.1415927F / 180.0F - this.aV * 0.01F); float f13 = MathHelper.cos(this.yaw * 3.1415927F / 180.0F - this.aV * 0.01F); this.g.w_(); this.g.setPositionRotation(this.locX + (double) (f3 * 5.5F * f1), this.locY + (adouble1[1] - adouble[1]) * 1.0D + (double) (f9 * 5.5F), this.locZ - (double) (f13 * 5.5F * f1), 0.0F, 0.0F); for (int j = 0; j < 3; ++j) { EntityComplexPart entitycomplexpart = null; if (j == 0) { entitycomplexpart = this.i; } if (j == 1) { entitycomplexpart = this.j; } if (j == 2) { entitycomplexpart = this.k; } double[] adouble2 = this.a(12 + j * 2, 1.0F); float f14 = this.yaw * 3.1415927F / 180.0F + this.a(adouble2[0] - adouble[0]) * 3.1415927F / 180.0F * 1.0F; float f15 = MathHelper.sin(f14); float f16 = MathHelper.cos(f14); float f17 = 1.5F; float f18 = (float) (j + 1) * 2.0F; entitycomplexpart.w_(); entitycomplexpart.setPositionRotation(this.locX - (double) ((f11 * f17 + f15 * f18) * f1), this.locY + (adouble2[1] - adouble[1]) * 1.0D - (double) ((f18 + f17) * f9) + 1.5D, this.locZ + (double) ((f12 * f17 + f16 * f18) * f1), 0.0F, 0.0F); } if (!this.world.isStatic) { this.q = this.a(this.g.boundingBox) | this.a(this.h.boundingBox); } } } private void w() { if (this.s != null) { if (this.s.dead) { if (!this.world.isStatic) { this.a(this.g, DamageSource.EXPLOSION, 10); } this.s = null; } else if (this.ticksLived % 10 == 0 && this.health < this.t) { ++this.health; } } if (this.random.nextInt(10) == 0) { float f = 32.0F; List list = this.world.a(EntityEnderCrystal.class, this.boundingBox.grow((double) f, (double) f, (double) f)); EntityEnderCrystal entityendercrystal = null; double d0 = Double.MAX_VALUE; Iterator iterator = list.iterator(); while (iterator.hasNext()) { Entity entity = (Entity) iterator.next(); double d1 = entity.i(this); if (d1 < d0) { d0 = d1; entityendercrystal = (EntityEnderCrystal) entity; } } this.s = entityendercrystal; } } private void y() { if (this.ticksLived % 20 == 0) { Vec3D vec3d = this.d(1.0F); double d0 = 0.0D; double d1 = -1.0D; double d2 = 0.0D; } } private void a(List list) { double d0 = (this.h.boundingBox.a + this.h.boundingBox.d) / 2.0D; double d1 = (this.h.boundingBox.c + this.h.boundingBox.f) / 2.0D; Iterator iterator = list.iterator(); while (iterator.hasNext()) { Entity entity = (Entity) iterator.next(); if (entity instanceof EntityLiving) { double d2 = entity.locX - d0; double d3 = entity.locZ - d1; double d4 = d2 * d2 + d3 * d3; entity.b_(d2 / d4 * 4.0D, 0.20000000298023224D, d3 / d4 * 4.0D); } } } private void b(List list) { for (int i = 0; i < list.size(); ++i) { Entity entity = (Entity) list.get(i); if (entity instanceof EntityLiving) { // CraftBukkit start - throw damage events when the dragon attacks // The EntityHuman case is handled in EntityHuman, so don't throw it here if (!(entity instanceof EntityHuman)) { EntityDamageByEntityEvent damageEvent = new EntityDamageByEntityEvent(this.getBukkitEntity(), entity.getBukkitEntity(), EntityDamageEvent.DamageCause.ENTITY_ATTACK, 10); Bukkit.getPluginManager().callEvent(damageEvent); if (!damageEvent.isCancelled()) { entity.damageEntity(DamageSource.mobAttack(this), damageEvent.getDamage()); } } else { entity.damageEntity(DamageSource.mobAttack(this), 10); } // CraftBukkit end } } } private void A() { this.p = false; if (this.random.nextInt(2) == 0 && this.world.players.size() > 0) { this.u = (Entity) this.world.players.get(this.random.nextInt(this.world.players.size())); } else { boolean flag = false; do { this.a = 0.0D; this.b = (double) (70.0F + this.random.nextFloat() * 50.0F); this.c = 0.0D; this.a += (double) (this.random.nextFloat() * 120.0F - 60.0F); this.c += (double) (this.random.nextFloat() * 120.0F - 60.0F); double d0 = this.locX - this.a; double d1 = this.locY - this.b; double d2 = this.locZ - this.c; flag = d0 * d0 + d1 * d1 + d2 * d2 > 100.0D; } while (!flag); this.u = null; } } private float a(double d0) { while (d0 >= 180.0D) { d0 -= 360.0D; } while (d0 < -180.0D) { d0 += 360.0D; } return (float) d0; } private boolean a(AxisAlignedBB axisalignedbb) { int i = MathHelper.floor(axisalignedbb.a); int j = MathHelper.floor(axisalignedbb.b); int k = MathHelper.floor(axisalignedbb.c); int l = MathHelper.floor(axisalignedbb.d); int i1 = MathHelper.floor(axisalignedbb.e); int j1 = MathHelper.floor(axisalignedbb.f); boolean flag = false; boolean flag1 = false; // CraftBukkit start - create a list to hold all the destroyed blocks List destroyedBlocks = new ArrayList(); CraftWorld craftWorld = this.world.getWorld(); // CraftBukkit end for (int k1 = i; k1 <= l; ++k1) { for (int l1 = j; l1 <= i1; ++l1) { for (int i2 = k; i2 <= j1; ++i2) { int j2 = this.world.getTypeId(k1, l1, i2); if (j2 != 0) { if (j2 != Block.OBSIDIAN.id && j2 != Block.WHITESTONE.id && j2 != Block.BEDROCK.id) { flag1 = true; // CraftBukkit start - add blocks to list rather than destroying them //this.world.setTypeId(k1, l1, i2, 0); destroyedBlocks.add(craftWorld.getBlockAt(k1, l1, i2)); // CraftBukkit end } else { flag = true; } } } } } if (flag1) { // CraftBukkit start - set off an EntityExplodeEvent for the dragon exploding all these blocks org.bukkit.entity.Entity bukkitEntity = this.getBukkitEntity(); EntityExplodeEvent event = new EntityExplodeEvent(bukkitEntity, bukkitEntity.getLocation(), destroyedBlocks, 0F); Bukkit.getPluginManager().callEvent(event); if (event.isCancelled()) { // this flag literally means 'Dragon hit something hard' (Obsidian, White Stone or Bedrock) and will cause the dragon to slow down. // We should consider adding an event extension for it, or perhaps returning true if the event is cancelled. return flag; } else { for (org.bukkit.block.Block block : event.blockList()) { craftWorld.explodeBlock(block, event.getYield()); } } // CraftBukkit end double d0 = axisalignedbb.a + (axisalignedbb.d - axisalignedbb.a) * (double) this.random.nextFloat(); double d1 = axisalignedbb.b + (axisalignedbb.e - axisalignedbb.b) * (double) this.random.nextFloat(); double d2 = axisalignedbb.c + (axisalignedbb.f - axisalignedbb.c) * (double) this.random.nextFloat(); this.world.a("largeexplode", d0, d1, d2, 0.0D, 0.0D, 0.0D); } return flag; } public boolean a(EntityComplexPart entitycomplexpart, DamageSource damagesource, int i) { if (entitycomplexpart != this.g) { i = i / 4 + 1; } float f = this.yaw * 3.1415927F / 180.0F; float f1 = MathHelper.sin(f); float f2 = MathHelper.cos(f); this.a = this.locX + (double) (f1 * 5.0F) + (double) ((this.random.nextFloat() - 0.5F) * 2.0F); this.b = this.locY + (double) (this.random.nextFloat() * 3.0F) + 1.0D; this.c = this.locZ - (double) (f2 * 5.0F) + (double) ((this.random.nextFloat() - 0.5F) * 2.0F); this.u = null; if (damagesource.g() instanceof EntityHuman || damagesource == DamageSource.EXPLOSION) { this.e(damagesource, i); } return true; } protected void ag() { ++this.r; if (this.r >= 180 && this.r <= 200) { float f = (this.random.nextFloat() - 0.5F) * 8.0F; float f1 = (this.random.nextFloat() - 0.5F) * 4.0F; float f2 = (this.random.nextFloat() - 0.5F) * 8.0F; this.world.a("hugeexplosion", this.locX + (double) f, this.locY + 2.0D + (double) f1, this.locZ + (double) f2, 0.0D, 0.0D, 0.0D); } int i; int j; if (!this.world.isStatic && this.r > 150 && this.r % 5 == 0) { i = expToDrop / 20; // CraftBukkit - drop experience as dragon falls from sky. use experience drop from death event. This is now set in getExpReward() while (i > 0) { j = EntityExperienceOrb.b(i); i -= j; this.world.addEntity(new EntityExperienceOrb(this.world, this.locX, this.locY, this.locZ, j)); } } this.move(0.0D, 0.10000000149011612D, 0.0D); this.V = this.yaw += 20.0F; if (this.r == 200) { i = expToDrop - 10 * (expToDrop / 20); // CraftBukkit - drop the remaining experience while (i > 0) { j = EntityExperienceOrb.b(i); i -= j; this.world.addEntity(new EntityExperienceOrb(this.world, this.locX, this.locY, this.locZ, j)); } j = 5 + this.random.nextInt(2) * 2 - 1; int k = 5 + this.random.nextInt(2) * 2 - 1; if (this.random.nextInt(2) == 0) { boolean flag = false; } else { boolean flag1 = false; } this.a(MathHelper.floor(this.locX), MathHelper.floor(this.locZ)); this.an(); this.die(); } } private void a(int i, int j) { int k = this.world.height / 2; BlockEnderPortal.a = true; byte b0 = 4; for (int l = k - 1; l <= k + 32; ++l) { for (int i1 = i - b0; i1 <= i + b0; ++i1) { for (int j1 = j - b0; j1 <= j + b0; ++j1) { double d0 = (double) (i1 - i); double d1 = (double) (j1 - j); double d2 = (double) MathHelper.a(d0 * d0 + d1 * d1); if (d2 <= (double) b0 - 0.5D) { if (l < k) { if (d2 <= (double) (b0 - 1) - 0.5D) { this.world.setTypeId(i1, l, j1, Block.BEDROCK.id); } } else if (l > k) { this.world.setTypeId(i1, l, j1, 0); } else if (d2 > (double) (b0 - 1) - 0.5D) { this.world.setTypeId(i1, l, j1, Block.BEDROCK.id); } else { this.world.setTypeId(i1, l, j1, Block.ENDER_PORTAL.id); } } } } } this.world.setTypeId(i, k + 0, j, Block.BEDROCK.id); this.world.setTypeId(i, k + 1, j, Block.BEDROCK.id); this.world.setTypeId(i, k + 2, j, Block.BEDROCK.id); this.world.setTypeId(i - 1, k + 2, j, Block.TORCH.id); this.world.setTypeId(i + 1, k + 2, j, Block.TORCH.id); this.world.setTypeId(i, k + 2, j - 1, Block.TORCH.id); this.world.setTypeId(i, k + 2, j + 1, Block.TORCH.id); this.world.setTypeId(i, k + 3, j, Block.BEDROCK.id); this.world.setTypeId(i, k + 4, j, Block.DRAGON_EGG.id); BlockEnderPortal.a = false; } protected void ak() {} public Entity[] aG() { return this.children; } public boolean e_() { return false; } // CraftBukkit start public int getExpReward() { // This value is equal to the amount of experience dropped while falling from the sky (10 * 1000) // plus what is dropped when the dragon hits the ground (10000) return 20000; } // CraftBukkit end }