Update to Minecraft 1.15

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

paper-server/nms-patches/PortalTravelAgent.patch

@@ -1,6 +1,24 @@
 --- a/net/minecraft/server/PortalTravelAgent.java
 +++ b/net/minecraft/server/PortalTravelAgent.java
-@@ -258,6 +258,7 @@
+@@ -43,7 +43,7 @@
+         List<VillagePlaceRecord> list = (List) villageplace.b((villageplacetype) -> {
+             return villageplacetype == VillagePlaceType.u;
+         }, blockposition, 128, VillagePlace.Occupancy.ANY).collect(Collectors.toList());
+-        Optional<VillagePlaceRecord> optional = list.stream().min(Comparator.comparingDouble((villageplacerecord) -> {
++        Optional<VillagePlaceRecord> optional = list.stream().min(Comparator.<VillagePlaceRecord>comparingDouble((villageplacerecord) -> { // CraftBukkit - decompile error
+             return villageplacerecord.f().m(blockposition);
+         }).thenComparingInt((villageplacerecord) -> {
+             return villageplacerecord.f().getY();
+@@ -56,7 +56,7 @@
+             ShapeDetector.ShapeDetectorCollection shapedetector_shapedetectorcollection = BlockPortal.c((GeneratorAccess) this.world, blockposition1);
+ 
+             return shapedetector_shapedetectorcollection.a(enumdirection, blockposition1, d1, vec3d, d0);
+-        }).orElse((Object) null);
++        }).orElse(null); // CraftBukkit - decompile error
+     }
+ 
+     public boolean a(Entity entity) {
+@@ -197,6 +197,7 @@
              l5 = -l5;
          }
  
@@ -8,7 +26,7 @@
          if (d0 < 0.0D) {
              i1 = MathHelper.clamp(i1, 70, this.world.getHeight() - 10);
              j5 = i1;
-@@ -271,7 +272,7 @@
+@@ -210,7 +211,7 @@
                          boolean flag1 = l2 < 0;
  
                          blockposition_mutableblockposition.d(j3, l3, i4);
@@ -17,7 +35,7 @@
                      }
                  }
              }
-@@ -281,7 +282,7 @@
+@@ -220,7 +221,7 @@
              for (i3 = -1; i3 < 4; ++i3) {
                  if (k2 == -1 || k2 == 2 || i3 == -1 || i3 == 3) {
                      blockposition_mutableblockposition.d(i5 + k2 * k5, j5 + i3, j2 + k2 * l5);
@@ -26,7 +44,7 @@
                  }
              }
          }
-@@ -291,10 +292,19 @@
+@@ -230,10 +231,19 @@
          for (i3 = 0; i3 < 2; ++i3) {
              for (l2 = 0; l2 < 3; ++l2) {
                  blockposition_mutableblockposition.d(i5 + i3 * k5, j5 + l2, j2 + i3 * l5);
@@ -46,4 +64,4 @@
 +        // CraftBukkit end
          return true;
      }
- 
+ }