Fixed some bugs caused by terrible reflection hacks.

build.gradle

@@ -26,6 +26,7 @@ version = project.mod_version
 loom {
 	noIntermediateMappings()
 	customMinecraftMetadata.set("https://downloads.betterthanadventure.net/bta-client/${project.bta_channel}/v${project.bta_version}/manifest.json")
+	accessWidenerPath = file("src/main/resources/halplibe.accesswidener")
 }
 
 repositories {

gradle.properties

@@ -11,6 +11,6 @@ loader_version=0.15.6-bta.7
 mod_menu_version=3.0.0
 
 # Mod
-mod_version=5.1.3
+mod_version=5.1.4
 mod_group=turniplabs
 mod_name=halplibe

src/main/java/turniplabs/halplibe/helper/ItemBuilder.java

@@ -138,11 +138,7 @@ public <T extends Item> T build(T item){
         }
 
         if (maxDamage != null){
-            try {
-                item.getClass().getMethod("setMaxDamage", int.class).invoke(item, maxDamage);
-            } catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
-                throw new RuntimeException(e);
-            }
+            item.setMaxDamage(maxDamage);
         }
 
         List<String> newTokens = new ArrayList<>();

src/main/java/turniplabs/halplibe/helper/NetworkHelper.java

@@ -76,7 +76,7 @@ public int compareTo(@NotNull NetworkEntry o) {
 
             f.setAccessible(false);
 
-            addMapping = Packet.class.getDeclaredMethod("addIdClassMapping", int.class, boolean.class, boolean.class, Class.class);
+            addMapping = Packet.class.getDeclaredMethod("addMapping", int.class, boolean.class, boolean.class, Class.class);
         } catch (Throwable err) {
             throw new RuntimeException(err);
         }

src/main/resources/halplibe.accesswidener

@@ -0,0 +1,3 @@
+accessWidener v2 named
+
+accessible method net/minecraft/core/item/Item setMaxDamage (I)Lnet/minecraft/core/item/Item;