Paper/patches/unapplied/server/0620-living-entity-allow-attribute-registration.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: ysl3000 <yannicklamprecht@live.de>
Date: Sat, 24 Oct 2020 16:37:44 +0200
Subject: [PATCH] living entity allow attribute registration


diff --git a/src/main/java/net/minecraft/world/entity/ai/attributes/AttributeMap.java b/src/main/java/net/minecraft/world/entity/ai/attributes/AttributeMap.java
index cb9ed449ed96474d2115a3023ff0b7b298548071..9cbfda029782385d1a7987f5be46d450bd8a758e 100644
--- a/src/main/java/net/minecraft/world/entity/ai/attributes/AttributeMap.java
+++ b/src/main/java/net/minecraft/world/entity/ai/attributes/AttributeMap.java
@@ -132,4 +132,12 @@ public class AttributeMap {
         }
 
     }
+
+    // Paper - start
+    public void registerAttribute(Attribute attributeBase) {
+        AttributeInstance attributeModifiable = new AttributeInstance(attributeBase, AttributeInstance::getAttribute);
+        attributes.put(attributeBase, attributeModifiable);
+    }
+    // Paper - end
+
 }
diff --git a/src/main/java/org/bukkit/craftbukkit/attribute/CraftAttributeMap.java b/src/main/java/org/bukkit/craftbukkit/attribute/CraftAttributeMap.java
index 46c313d581b9af6aa0a48f97ae3cc800a88535f2..07d700382fc356837045c46d320b7b69ad13af68 100644
--- a/src/main/java/org/bukkit/craftbukkit/attribute/CraftAttributeMap.java
+++ b/src/main/java/org/bukkit/craftbukkit/attribute/CraftAttributeMap.java
@@ -38,6 +38,14 @@ public class CraftAttributeMap implements Attributable {
         return (nms == null) ? null : new CraftAttributeInstance(nms, attribute);
     }
 
+    // Paper start
+    @Override
+    public void registerAttribute(Attribute attribute) {
+        Preconditions.checkArgument(attribute != null, "attribute");
+        handle.registerAttribute(CraftAttributeMap.toMinecraft(attribute));
+    }
+    // Paper end
+
     public static net.minecraft.world.entity.ai.attributes.Attribute toMinecraft(Attribute attribute) {
         return net.minecraft.core.Registry.ATTRIBUTE.get(CraftNamespacedKey.toMinecraft(attribute.getKey()));
     }
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
index 7c8dba1c7d65b4b91eb5a83c029bc5b31750775f..88c0e80be343614947bfa3a14e08c5400a2d4ccc 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
@@ -686,6 +686,13 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
         return this.getHandle().craftAttributes.getAttribute(attribute);
     }
 
+    // Paper start
+    @Override
+    public void registerAttribute(Attribute attribute) {
+        getHandle().craftAttributes.registerAttribute(attribute);
+    }
+    // Paper end
+
     @Override
     public void setAI(boolean ai) {
         if (this.getHandle() instanceof Mob) {