diff --git a/src/main/java/net/minecraft/server/EntityEnderDragon.java b/src/main/java/net/minecraft/server/EntityEnderDragon.java
new file mode 100644
index 0000000000..522cf30a58
--- /dev/null
+++ b/src/main/java/net/minecraft/server/EntityEnderDragon.java
@@ -0,0 +1,590 @@
+package net.minecraft.server;
+
+import java.util.Iterator;
+import java.util.List;
+
+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[] f;
+    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.f = 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.b((Entity) this, this.l.boundingBox.b(4.0D, 2.0D, 4.0D).d(0.0D, -2.0D, 0.0D)));
+                this.a(this.world.b((Entity) this, this.m.boundingBox.b(4.0D, 2.0D, 4.0D).d(0.0D, -2.0D, 0.0D)));
+                this.b(this.world.b((Entity) this, this.g.boundingBox.b(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.b((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) {
+                entity.damageEntity(DamageSource.mobAttack(this), 10);
+            }
+        }
+    }
+
+    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;
+
+        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;
+                            this.world.setTypeId(k1, l1, i2, 0);
+                        } else {
+                            flag = true;
+                        }
+                    }
+                }
+            }
+        }
+
+        if (flag1) {
+            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 = 1000;
+
+            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 = 10000;
+
+            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.f;
+    }
+
+    public boolean e_() {
+        return false;
+    }
+}