Add PathfinderGoalMakeLove for diff visibility

src/main/java/net/minecraft/server/PathfinderGoalMakeLove.java

@@ -0,0 +1,90 @@
+package net.minecraft.server;
+
+public class PathfinderGoalMakeLove extends PathfinderGoal {
+
+    private EntityVillager b;
+    private EntityVillager c;
+    private World d;
+    private int e;
+    Village a;
+
+    public PathfinderGoalMakeLove(EntityVillager entityvillager) {
+        this.b = entityvillager;
+        this.d = entityvillager.world;
+        this.a(3);
+    }
+
+    public boolean a() {
+        if (this.b.getAge() != 0) {
+            return false;
+        } else if (this.b.aC().nextInt(500) != 0) {
+            return false;
+        } else {
+            this.a = this.d.villages.getClosestVillage(MathHelper.floor(this.b.locX), MathHelper.floor(this.b.locY), MathHelper.floor(this.b.locZ), 0);
+            if (this.a == null) {
+                return false;
+            } else if (!this.f()) {
+                return false;
+            } else {
+                Entity entity = this.d.a(EntityVillager.class, this.b.boundingBox.grow(8.0D, 3.0D, 8.0D), (Entity) this.b);
+
+                if (entity == null) {
+                    return false;
+                } else {
+                    this.c = (EntityVillager) entity;
+                    return this.c.getAge() == 0;
+                }
+            }
+        }
+    }
+
+    public void c() {
+        this.e = 300;
+        this.b.i(true);
+    }
+
+    public void d() {
+        this.a = null;
+        this.c = null;
+        this.b.i(false);
+    }
+
+    public boolean b() {
+        return this.e >= 0 && this.f() && this.b.getAge() == 0;
+    }
+
+    public void e() {
+        --this.e;
+        this.b.getControllerLook().a(this.c, 10.0F, 30.0F);
+        if (this.b.e(this.c) > 2.25D) {
+            this.b.getNavigation().a((Entity) this.c, 0.25D);
+        } else if (this.e == 0 && this.c.bU()) {
+            this.g();
+        }
+
+        if (this.b.aC().nextInt(35) == 0) {
+            this.d.broadcastEntityEffect(this.b, (byte) 12);
+        }
+    }
+
+    private boolean f() {
+        if (!this.a.i()) {
+            return false;
+        } else {
+            int i = (int) ((double) ((float) this.a.getDoorCount()) * 0.35D);
+
+            return this.a.getPopulationCount() < i;
+        }
+    }
+
+    private void g() {
+        EntityVillager entityvillager = this.b.b((EntityAgeable) this.c);
+
+        this.c.setAge(6000);
+        this.b.setAge(6000);
+        entityvillager.setAge(-24000);
+        entityvillager.setPositionRotation(this.b.locX, this.b.locY, this.b.locZ, 0.0F, 0.0F);
+        this.d.addEntity(entityvillager);
+        this.d.broadcastEntityEffect(entityvillager, (byte) 12);
+    }
+}