resource: use serde feature of enumflags2 crate

Cargo.lock

@@ -292,6 +292,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c041f5090df68b32bcd905365fd51769c8b9d553fe87fde0b683534f10c01bd2"
 dependencies = [
  "enumflags2_derive",
+ "serde",
 ]
 
 [[package]]

Cargo.toml

@@ -12,7 +12,7 @@ anyhow = "1.0.68"
 bincode = "1.3.3"
 bytemuck = "1.13.0"
 clap = { version = "4.1.4", features = ["derive"] }
-enumflags2 = "0.7.5"
+enumflags2 = { version = "0.7.5", features = ["serde"] }
 fastnbt = "2.3.2"
 flate2 = "1.0.25"
 futures-util = "0.3.28"

src/resource/mod.rs

@@ -6,12 +6,11 @@ mod legacy_block_types;
 use std::collections::HashMap;
 
 use enumflags2::{bitflags, BitFlags};
-
-use serde::{de, Deserialize, Deserializer, Serialize, Serializer};
+use serde::{Deserialize, Serialize};
 
 #[bitflags]
 #[repr(u8)]
-#[derive(Debug, Clone, Copy, PartialEq)]
+#[derive(Debug, Clone, Copy, PartialEq, Serialize, Deserialize)]
 pub enum BlockFlag {
 	Opaque,
 	Grass,
@@ -21,29 +20,11 @@ pub enum BlockFlag {
 	Water,
 }
 
-fn serialize_block_flags<S>(flags: &BitFlags<BlockFlag>, serializer: S) -> Result<S::Ok, S::Error>
-where
-	S: Serializer,
-{
-	flags.bits().serialize(serializer)
-}
-fn deserialize_block_flags<'de, D>(deserializer: D) -> Result<BitFlags<BlockFlag>, D::Error>
-where
-	D: Deserializer<'de>,
-{
-	let bits = u8::deserialize(deserializer)?;
-	BitFlags::<BlockFlag>::from_bits(bits).map_err(de::Error::custom)
-}
-
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Serialize, Deserialize)]
 pub struct Color(pub [u8; 3]);
 
 #[derive(Debug, Clone, Copy, Serialize, Deserialize)]
 pub struct BlockType {
-	#[serde(
-		serialize_with = "serialize_block_flags",
-		deserialize_with = "deserialize_block_flags"
-	)]
 	pub flags: BitFlags<BlockFlag>,
 	pub color: Color,
 }