Update to Minecraft 1.15

By: md_5 <git@md-5.net>

paper-server/nms-patches/EntityFireball.patch

@@ -22,8 +22,8 @@
          this(entitytypes, world);
          this.shooter = entityliving;
 +        this.projectileSource = (org.bukkit.entity.LivingEntity) entityliving.getBukkitEntity(); // CraftBukkit
-         this.setPositionRotation(entityliving.locX, entityliving.locY, entityliving.locZ, entityliving.yaw, entityliving.pitch);
-         this.setPosition(this.locX, this.locY, this.locZ);
+         this.setPositionRotation(entityliving.locX(), entityliving.locY(), entityliving.locZ(), entityliving.yaw, entityliving.pitch);
+         this.Z();
          this.setMot(Vec3D.a);
 +        // CraftBukkit start - Added setDirection method
 +        this.setDirection(d0, d1, d2);
@@ -47,7 +47,7 @@
              }
  
              Vec3D vec3d = this.getMot();
-@@ -147,6 +164,11 @@
+@@ -157,6 +174,11 @@
          } else {
              this.velocityChanged();
              if (damagesource.getEntity() != null) {
@@ -59,7 +59,7 @@
                  Vec3D vec3d = damagesource.getEntity().getLookDirection();
  
                  this.setMot(vec3d);
-@@ -155,6 +177,7 @@
+@@ -165,6 +187,7 @@
                  this.dirZ = vec3d.z * 0.1D;
                  if (damagesource.getEntity() instanceof EntityLiving) {
                      this.shooter = (EntityLiving) damagesource.getEntity();