ForgePatch/patches/minecraft/net/minecraft/loot/LootContext.java.patch

--- a/net/minecraft/loot/LootContext.java
+++ b/net/minecraft/loot/LootContext.java
@@ -94,6 +94,10 @@
       return this.field_186499_b;
    }
 
+   public int getLootingModifier() {
+      return net.minecraftforge.common.ForgeHooks.getLootingLevel(func_216031_c(LootParameters.field_216281_a), func_216031_c(LootParameters.field_216284_d), func_216031_c(LootParameters.field_216283_c));
+   }
+
    public static class Builder {
       private final ServerWorld field_186474_a;
       private final Map<LootParameter<?>, Object> field_216025_b = Maps.newIdentityHashMap();
@@ -105,6 +109,14 @@
          this.field_186474_a = p_i46993_1_;
       }
 
+      public Builder(LootContext context) {
+         this.field_186474_a = context.field_186499_b;
+         this.field_216025_b.putAll(context.field_216036_f);
+         this.field_216026_c.putAll(context.field_216037_g);
+         this.field_216027_d = context.field_216035_a;
+         this.field_186475_b = context.field_186498_a;
+      }
+
       public LootContext.Builder func_216023_a(Random p_216023_1_) {
          this.field_216027_d = p_216023_1_;
          return this;