start implementing data driven registries

1 files changed, 27 insertions, 0 deletions

diff --git a/azalea-core/src/data_registry.rs b/azalea-core/src/data_registry.rs
new file mode 100644
index 00000000..a72d9caf
--- /dev/null
+++ b/azalea-core/src/data_registry.rs
@@ -0,0 +1,27 @@
+use std::str::FromStr;
+
+use azalea_registry::DataRegistry;
+use simdnbt::owned::NbtCompound;
+
+use crate::{registry_holder::RegistryHolder, resource_location::ResourceLocation};
+
+pub trait ResolvableDataRegistry: DataRegistry {
+    fn resolve_name(&self, registries: &RegistryHolder) -> Option<ResourceLocation> {
+        self.resolve(registries).map(|(name, _)| name.clone())
+    }
+    fn resolve<'a>(
+        &self,
+        registries: &'a RegistryHolder,
+    ) -> Option<(&'a ResourceLocation, &'a NbtCompound)> {
+        let name_resourcelocation = ResourceLocation::from_str(Self::NAME).unwrap_or_else(|_| {
+            panic!(
+                "Name for registry should be a valid ResourceLocation: {}",
+                Self::NAME
+            )
+        });
+        let registry_values = registries.map.get(&name_resourcelocation)?;
+        let resolved = registry_values.get_index(self.protocol_id() as usize)?;
+        Some(resolved)
+    }
+}
+impl<T: DataRegistry> ResolvableDataRegistry for T {}