ExperienceOrbs API for Reason/Source/Triggering player

Adds lots of information about why this orb exists.

Replaces isFromBottle() with logic that persists entity reloads too.

paper-server/patches/sources/net/minecraft/world/level/block/Block.java.patch

@@ -15,7 +15,22 @@
                  return;
              }
          }
-@@ -369,7 +375,7 @@
+@@ -348,8 +354,13 @@
+     }
+ 
+     public void popExperience(ServerLevel world, BlockPos pos, int size) {
++        // Paper start - add entity parameter
++        popExperience(world, pos, size, null);
++    }
++    public void popExperience(ServerLevel world, BlockPos pos, int size, net.minecraft.world.entity.Entity entity) {
++        // Paper end - add entity parameter
+         if (world.getGameRules().getBoolean(GameRules.RULE_DOBLOCKDROPS)) {
+-            ExperienceOrb.award(world, Vec3.atCenterOf(pos), size);
++            ExperienceOrb.award(world, Vec3.atCenterOf(pos), size, org.bukkit.entity.ExperienceOrb.SpawnReason.BLOCK_BREAK, entity); // Paper
+         }
+ 
+     }
+@@ -369,7 +380,7 @@
  
      public void playerDestroy(Level world, Player player, BlockPos pos, BlockState state, @Nullable BlockEntity blockEntity, ItemStack tool) {
          player.awardStat(Stats.BLOCK_MINED.get(this));
@@ -24,7 +39,7 @@
          Block.dropResources(state, world, pos, blockEntity, player, tool);
      }
  
-@@ -490,15 +496,35 @@
+@@ -490,15 +501,35 @@
          return this.builtInRegistryHolder;
      }
  

paper-server/patches/sources/net/minecraft/world/level/block/entity/AbstractFurnaceBlockEntity.java.patch

@@ -266,7 +266,7 @@
 +        j = event.getExpToDrop();
 +        // CraftBukkit end
 +
-+        ExperienceOrb.award(worldserver, vec3d, j);
++        ExperienceOrb.award(worldserver, vec3d, j, org.bukkit.entity.ExperienceOrb.SpawnReason.FURNACE, entityhuman); // Paper
      }
  
      @Override