From b8228a036016fa58cab4b00a2e62298df299d41f Mon Sep 17 00:00:00 2001
From: mat <27899617+mat-1@users.noreply.github.com>
Date: Sat, 27 Aug 2022 20:31:21 -0500
Subject: Azalea registry (#20)

* make azalea-registry crate

* add trait feature to az-block

* registr

* registry macro

* impl Display for registry things

* registries
---
 azalea-block/block-macros/src/lib.rs | 82 +++++++++++++++++++-----------------
 1 file changed, 44 insertions(+), 38 deletions(-)

(limited to 'azalea-block/block-macros/src')

diff --git a/azalea-block/block-macros/src/lib.rs b/azalea-block/block-macros/src/lib.rs
index 907fd241..e6585600 100644
--- a/azalea-block/block-macros/src/lib.rs
+++ b/azalea-block/block-macros/src/lib.rs
@@ -426,41 +426,43 @@ pub fn make_block_states(input: TokenStream) -> TokenStream {
             quote! { BlockState::#block_name_pascal_case }
         };
 
-        let block_struct = quote! {
-            #[derive(Debug)]
-            pub struct #block_struct_name {
-                #block_struct_fields
-            }
-
-            impl Block for #block_struct_name {
-                fn behavior(&self) -> BlockBehavior {
-                    #block_behavior
+        if cfg!(feature = "trait") {
+            let block_struct = quote! {
+                #[derive(Debug)]
+                pub struct #block_struct_name {
+                    #block_struct_fields
                 }
-                fn id(&self) -> &'static str {
-                    #block_id
+
+                impl Block for #block_struct_name {
+                    fn behavior(&self) -> BlockBehavior {
+                        #block_behavior
+                    }
+                    fn id(&self) -> &'static str {
+                        #block_id
+                    }
                 }
-            }
 
-            impl From<#block_struct_name> for BlockState {
-                fn from(b: #block_struct_name) -> Self {
-                    #from_block_to_state_match
+                impl From<#block_struct_name> for BlockState {
+                    fn from(b: #block_struct_name) -> Self {
+                        #from_block_to_state_match
+                    }
                 }
-            }
 
-            impl Default for #block_struct_name {
-                fn default() -> Self {
-                    Self {
-                        #block_default_fields
+                impl Default for #block_struct_name {
+                    fn default() -> Self {
+                        Self {
+                            #block_default_fields
+                        }
                     }
                 }
-            }
-        };
+            };
 
-        block_structs.extend(block_struct);
+            block_structs.extend(block_struct);
+        }
     }
 
     let last_state_id = (state_id - 1) as u32;
-    quote! {
+    let mut generated = quote! {
         #property_enums
 
         #[repr(u32)]
@@ -469,18 +471,6 @@ pub fn make_block_states(input: TokenStream) -> TokenStream {
             #block_state_enum_variants
         }
 
-        #block_structs
-
-        impl From<BlockState> for Box<dyn Block> {
-            fn from(b: BlockState) -> Self {
-                let b = b as usize;
-                match b {
-                    #from_state_to_block_match
-                    _ => panic!("Invalid block state: {}", b),
-                }
-            }
-        }
-
         impl BlockState {
             /// Returns the highest possible state
             #[inline]
@@ -488,7 +478,23 @@ pub fn make_block_states(input: TokenStream) -> TokenStream {
                 #last_state_id
             }
         }
-
+    };
+
+    if cfg!(feature = "trait") {
+        generated.extend(quote! {
+            #block_structs
+
+            impl From<BlockState> for Box<dyn Block> {
+                fn from(b: BlockState) -> Self {
+                    let b = b as usize;
+                    match b {
+                        #from_state_to_block_match
+                        _ => panic!("Invalid block state: {}", b),
+                    }
+                }
+            }
+        });
     }
-    .into()
+
+    generated.into()
 }
-- 
cgit v1.2.3