Fixed spawning mobs Error (Villager, etc..)

TacoSpigot-Server/src/main/java/net/minecraft/server/PathfinderGoalRestrictOpenDoor.java

@@ -0,0 +1,55 @@
+package net.minecraft.server;
+
+public class PathfinderGoalRestrictOpenDoor extends PathfinderGoal {
+    private EntityCreature a;
+    private VillageDoor b;
+
+    public PathfinderGoalRestrictOpenDoor(EntityCreature var1) {
+        this.a = var1;
+        if (var1.getNavigation() == null) {
+            throw new IllegalArgumentException("Unsupported mob type for RestrictOpenDoorGoal");
+        }
+    }
+
+    public boolean a() {
+        if (this.a.world.w()) {
+            return false;
+        } else {
+            BlockPosition var1 = new BlockPosition(this.a);
+            Village var2 = this.a.world.ae().getClosestVillage(var1, 16);
+            if (var2 == null) {
+                return false;
+            } else {
+                this.b = var2.b(var1);
+                if (this.b == null) {
+                    return false;
+                } else {
+                    return (double)this.b.b(var1) < 2.25;
+                }
+            }
+        }
+    }
+
+    public boolean b() {
+        if (this.a.world.w()) {
+            return false;
+        } else {
+            return !this.b.i() && this.b.c(new BlockPosition(this.a));
+        }
+    }
+
+    public void c() {
+        (this.a.getNavigation()).b(false);
+        (this.a.getNavigation()).c(false);
+    }
+
+    public void d() {
+        (this.a.getNavigation()).b(true);
+        (this.a.getNavigation()).c(true);
+        this.b = null;
+    }
+
+    public void e() {
+        this.b.b();
+    }
+}