fix: data component try_from_name

crates/pumpkin-data/src/data_component_impl/combat.rs

@@ -54,10 +54,17 @@ pub struct EnchantmentsImpl {
 }
 impl EnchantmentsImpl {
     pub fn read_data(data: &NbtTag) -> Option<Self> {
-        let data = &data.extract_compound()?.child_tags;
+        let compound = data.extract_compound()?;
+        let data = if let Some(NbtTag::Compound(levels)) = compound.child_tags.get("levels") {
+            &levels.child_tags
+        } else {
+            &compound.child_tags
+        };
         let mut enc = Vec::with_capacity(data.len());
         for (name, level) in data {
-            enc.push((Enchantment::from_name(name.as_ref())?, level.extract_int()?));
+            let enchantment = Enchantment::from_name(name.as_ref())
+                .or_else(|| Enchantment::from_name(&format!("minecraft:{name}")))?;
+            enc.push((enchantment, level.extract_int()?));
         }
         Some(Self {
             enchantment: Cow::from(enc),
@@ -597,10 +604,17 @@ pub struct StoredEnchantmentsImpl {
 }
 impl StoredEnchantmentsImpl {
     pub fn read_data(data: &NbtTag) -> Option<Self> {
-        let data = &data.extract_compound()?.child_tags;
+        let compound = data.extract_compound()?;
+        let data = if let Some(NbtTag::Compound(levels)) = compound.child_tags.get("levels") {
+            &levels.child_tags
+        } else {
+            &compound.child_tags
+        };
         let mut enc = Vec::with_capacity(data.len());
         for (name, level) in data {
-            enc.push((Enchantment::from_name(name.as_ref())?, level.extract_int()?));
+            let enchantment = Enchantment::from_name(name.as_ref())
+                .or_else(|| Enchantment::from_name(&format!("minecraft:{name}")))?;
+            enc.push((enchantment, level.extract_int()?));
         }
         Some(Self {
             enchantment: Cow::from(enc),

crates/pumpkin-data/src/data_component_impl/mod.rs

@@ -42,9 +42,11 @@ impl Clone for Box<dyn DataComponentImpl> {
 pub fn get<T: DataComponentImpl + 'static>(value: &dyn DataComponentImpl) -> &T {
     value.as_any().downcast_ref::<T>().unwrap_or_else(|| {
         panic!(
-            "you are trying to cast {} to {}",
+            "you are trying to cast {} ({}) to {} ({})",
             value.get_self_enum().to_name(),
-            T::get_enum().to_name()
+            std::any::type_name_of_val(value),
+            T::get_enum().to_name(),
+            std::any::type_name::<T>()
         )
     })
 }
@@ -52,10 +54,12 @@ pub fn get<T: DataComponentImpl + 'static>(value: &dyn DataComponentImpl) -> &T
 #[inline]
 pub fn get_mut<T: DataComponentImpl + 'static>(value: &mut dyn DataComponentImpl) -> &mut T {
     let name = value.get_self_enum().to_name();
+    let val_type = std::any::type_name_of_val(value);
     value.as_mut_any().downcast_mut::<T>().unwrap_or_else(|| {
         panic!(
-            "you are trying to cast {name} to {}",
+            "you are trying to cast {name} ({val_type}) to {} ({})",
-            T::get_enum().to_name()
+            T::get_enum().to_name(),
+            std::any::type_name::<T>()
         )
     })
 }
@@ -63,7 +67,11 @@ pub fn get_mut<T: DataComponentImpl + 'static>(value: &mut dyn DataComponentImpl
 macro_rules! default_impl {
     ($t: ident) => {
         fn equal(&self, other: &dyn crate::data_component_impl::DataComponentImpl) -> bool {
-            self == crate::data_component_impl::get::<Self>(other)
+            if let Some(other) = other.as_any().downcast_ref::<Self>() {
+                self == other
+            } else {
+                false
+            }
         }
         #[inline]
         fn get_enum() -> crate::data_component::DataComponent
@@ -745,4 +753,33 @@ mod tests {
         );
         assert_round_trip(LockImpl { predicate }, LockImpl::read_data);
     }
+
+    #[test]
+    fn equal_with_different_types_returns_false() {
+        let enc = EnchantmentsImpl {
+            enchantment: Cow::Borrowed(&[(&crate::Enchantment::SHARPNESS, 2)]),
+        };
+        let max_stack = MaxStackSizeImpl { size: 64 };
+        assert!(!enc.equal(&max_stack));
+    }
+
+    #[test]
+    fn enchantments_read_data_formats() {
+        let mut direct = NbtCompound::new();
+        direct.put_int("sharpness", 2);
+        let enc1 = EnchantmentsImpl::read_data(&NbtTag::Compound(direct)).unwrap();
+        assert!(enc1.enchantment[0].0 == &crate::Enchantment::SHARPNESS);
+        assert_eq!(enc1.enchantment[0].1, 2);
+
+        let mut levels = NbtCompound::new();
+        levels.put_int("minecraft:sharpness", 2);
+        let mut wrapped = NbtCompound::new();
+        wrapped
+            .child_tags
+            .insert("levels".into(), NbtTag::Compound(levels));
+        let enc2 = EnchantmentsImpl::read_data(&NbtTag::Compound(wrapped)).unwrap();
+        assert_eq!(enc2.enchantment.len(), 1);
+        assert!(enc2.enchantment[0].0 == &crate::Enchantment::SHARPNESS);
+        assert_eq!(enc2.enchantment[0].1, 2);
+    }
 }

crates/pumpkin-data/src/generated/data_component.rs

@@ -240,7 +240,12 @@ impl DataComponent {
     #[must_use]
     #[allow(clippy::too_many_lines)]
     pub fn try_from_name(name: &str) -> Option<Self> {
-        match name {
+        let name = if name.contains(':') {
+            std::borrow::Cow::Borrowed(name)
+        } else {
+            std::borrow::Cow::Owned(format!("minecraft:{name}"))
+        };
+        match name.as_ref() {
             "minecraft:custom_data" => Some(Self::CustomData),
             "minecraft:max_stack_size" => Some(Self::MaxStackSize),
             "minecraft:max_damage" => Some(Self::MaxDamage),

crates/pumpkin-data/src/generated/enchantment.rs

@@ -984,7 +984,12 @@ impl Enchantment {
         },
     };
     pub fn from_name(name: &str) -> Option<&'static Self> {
-        match name {
+        let name = if name.contains(':') {
+            std::borrow::Cow::Borrowed(name)
+        } else {
+            std::borrow::Cow::Owned(format!("minecraft:{name}"))
+        };
+        match name.as_ref() {
             "minecraft:aqua_affinity" => Some(&Self::AQUA_AFFINITY),
             "minecraft:bane_of_arthropods" => Some(&Self::BANE_OF_ARTHROPODS),
             "minecraft:binding_curse" => Some(&Self::BINDING_CURSE),

tools/pumpkin-codegen/src/data_component.rs

@@ -36,7 +36,7 @@ pub fn build() -> TokenStream {
 
         // TODO use phf
         name_to_enum.extend(quote! {
-            #raw_name => Some(Self::#pascal_case),
+            #raw_name | #strip_name => Some(Self::#pascal_case),
         });
 
         // Enum -> &str

tools/pumpkin-codegen/src/enchantments.rs

@@ -187,7 +187,7 @@ pub fn build() -> TokenStream {
             }]);
         }
 
-        name_to_type.extend(quote! { #name => Some(&Self::#format_name), });
+        name_to_type.extend(quote! { #name | #raw_name => Some(&Self::#format_name), });
         id_to_type.extend(quote! { #id => Some(&Self::#format_name), });
     }