fix global registry and add function to easily access minecraft ids

pumpkin-world/src/global_registry.rs

@@ -9,12 +9,11 @@ const REGISTRY_JSON: &str = include_str!("../assets/registries.json");
 #[derive(serde::Deserialize, Debug, Clone, PartialEq, Eq)]
 pub struct RegistryElement {
     default: Option<String>,
-    entries: HashMap<String, u32>,
+    pub entries: HashMap<String, HashMap<String,u32>>,
 }
 
 lazy_static! {
-    static ref REGISTRY: HashMap<String, RegistryElement> =
-        serde_json::from_str(REGISTRY_JSON).expect("Could not parse items.json registry.");
+    pub static ref REGISTRY: HashMap<String, RegistryElement> =
         serde_json::from_str(REGISTRY_JSON).expect("Could not parse registry.json registry.");
 }
 
@@ -24,6 +23,7 @@ pub fn get_protocol_id(category: &str, entry: &str) -> u32 {
         .expect("Invalid Category in registry")
         .entries
         .get(entry)
+        .map(|p|p.get("protocol_id").unwrap())
         .expect("No Entry found")
 }
 
@@ -34,3 +34,11 @@ pub fn get_default<'a>(category: &str) -> Option<&'a str> {
         .default
         .as_deref()
 }
+
+pub fn find_minecraft_id(category: &str, protocol_id: u32) -> Option<&str> {
+    REGISTRY.get(category)?
+        .entries
+        .iter()
+        .find(|(_,other_protocol_id)|*other_protocol_id.get("protocol_id").unwrap()==protocol_id)
+        .map(|(id,_)|id.as_str())
+}