Add default values for config

Cargo.lock

@@ -1925,6 +1925,7 @@ dependencies = [
  "log",
  "pumpkin-core",
  "serde",
+ "serde-inline-default",
  "toml",
 ]
 
@@ -2443,6 +2444,17 @@ dependencies = [
  "serde_derive",
 ]
 
+[[package]]
+name = "serde-inline-default"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "484b43bb1114a28d1a574f5682d6079fa4c20e76faaff0cfd048216650e57101"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "serde_bytes"
 version = "0.11.15"

pumpkin-config/Cargo.toml

@@ -9,3 +9,4 @@ serde.workspace = true
 log.workspace = true
 
 toml = "0.8"
+serde-inline-default = "0.2.1"

pumpkin-config/src/auth.rs

@@ -1,50 +1,78 @@
 use pumpkin_core::ProfileAction;
 use serde::{Deserialize, Serialize};
+use serde_inline_default::serde_inline_default;
 
+#[serde_inline_default]
 #[derive(Deserialize, Serialize)]
 pub struct AuthenticationConfig {
     /// Whether to use Mojang authentication.
+    #[serde_inline_default(true)]
     pub enabled: bool,
 
     /// Prevent proxy connections.
+    #[serde_inline_default(false)]
     pub prevent_proxy_connections: bool,
 
     /// Player profile handling.
+    #[serde(default)]
     pub player_profile: PlayerProfileConfig,
 
     /// Texture handling.
+    #[serde(default)]
     pub textures: TextureConfig,
 }
 
+impl Default for AuthenticationConfig {
+    fn default() -> Self {
+        Self {
+            enabled: true,
+            prevent_proxy_connections: false,
+            player_profile: Default::default(),
+            textures: Default::default(),
+        }
+    }
+}
+
 #[derive(Deserialize, Serialize)]
+#[serde(default)]
 pub struct PlayerProfileConfig {
     /// Allow players flagged by Mojang (banned, forced name change).
     pub allow_banned_players: bool,
     /// Depends on the value above
+    #[serde(default = "default_allowed_actions")]
     pub allowed_actions: Vec<ProfileAction>,
 }
 
+fn default_allowed_actions() -> Vec<ProfileAction> {
+    vec![
+        ProfileAction::ForcedNameChange,
+        ProfileAction::UsingBannedSkin,
+    ]
+}
+
 impl Default for PlayerProfileConfig {
     fn default() -> Self {
         Self {
             allow_banned_players: false,
-            allowed_actions: vec![
-                ProfileAction::ForcedNameChange,
-                ProfileAction::UsingBannedSkin,
-            ],
+            allowed_actions: default_allowed_actions(),
         }
     }
 }
 
+#[serde_inline_default]
 #[derive(Deserialize, Serialize)]
 pub struct TextureConfig {
     /// Whether to use player textures.
+    #[serde_inline_default(true)]
     pub enabled: bool,
 
+    #[serde_inline_default(vec!["http".into(), "https".into()])]
     pub allowed_url_schemes: Vec<String>,
+    #[serde_inline_default(vec![".minecraft.net".into(), ".mojang.com".into()])]
     pub allowed_url_domains: Vec<String>,
 
     /// Specific texture types.
+    #[serde(default)]
     pub types: TextureTypes,
 }
 
@@ -60,13 +88,17 @@ impl Default for TextureConfig {
 }
 
 #[derive(Deserialize, Serialize)]
+#[serde_inline_default]
 pub struct TextureTypes {
     /// Use player skins.
+    #[serde_inline_default(true)]
     pub skin: bool,
     /// Use player capes.
+    #[serde_inline_default(true)]
     pub cape: bool,
     /// Use player elytras.
     /// (i didn't know myself that there are custom elytras)
+    #[serde_inline_default(true)]
     pub elytra: bool,
 }
 
@@ -79,14 +111,3 @@ impl Default for TextureTypes {
         }
     }
 }
-
-impl Default for AuthenticationConfig {
-    fn default() -> Self {
-        Self {
-            enabled: true,
-            prevent_proxy_connections: false,
-            player_profile: Default::default(),
-            textures: Default::default(),
-        }
-    }
-}

pumpkin-config/src/commands.rs

@@ -1,8 +1,11 @@
 use serde::{Deserialize, Serialize};
+use serde_inline_default::serde_inline_default;
 
 #[derive(Deserialize, Serialize)]
+#[serde_inline_default]
 pub struct CommandsConfig {
     /// Are commands from the Console accepted ?
+    #[serde_inline_default(true)]
     pub use_console: bool,
     // TODO: commands...
 }

pumpkin-config/src/compression.rs

@@ -1,22 +1,29 @@
 use serde::{Deserialize, Serialize};
+use serde_inline_default::serde_inline_default;
 
+#[serde_inline_default]
 #[derive(Deserialize, Serialize)]
 /// Packet compression
 pub struct CompressionConfig {
     /// Is compression enabled ?
+    #[serde_inline_default(true)]
     pub enabled: bool,
     #[serde(flatten)]
+    #[serde(default)]
     pub compression_info: CompressionInfo,
 }
 
+#[serde_inline_default]
 #[derive(Deserialize, Serialize, Clone)]
 /// We have this in a Seperate struct so we can use it outside of the Config
 pub struct CompressionInfo {
     /// The compression threshold used when compression is enabled
+    #[serde_inline_default(256)]
     pub threshold: u32,
     /// A value between 0..9
     /// 1 = Optimize for the best speed of encoding.
     /// 9 = Optimize for the size of data being encoded.
+    #[serde_inline_default(4)]
     pub level: u32,
 }
 

pumpkin-config/src/lib.rs

@@ -2,6 +2,9 @@ use log::warn;
 use pumpkin_core::{Difficulty, GameMode};
 use serde::{de::DeserializeOwned, Deserialize, Serialize};
 
+// TODO: when https://github.com/rust-lang/rfcs/pull/3681 gets merged, replace serde-inline-default with native syntax
+use serde_inline_default::serde_inline_default;
+
 use std::{
     fs,
     net::{Ipv4Addr, SocketAddr},
@@ -39,47 +42,71 @@ pub static BASIC_CONFIG: LazyLock<BasicConfiguration> = LazyLock::new(BasicConfi
 /// Important: The Configuration should match Vanilla by default
 #[derive(Deserialize, Serialize, Default)]
 pub struct AdvancedConfiguration {
+    #[serde(default)]
     pub proxy: ProxyConfig,
+    #[serde(default)]
     pub authentication: AuthenticationConfig,
+    #[serde(default)]
     pub packet_compression: CompressionConfig,
+    #[serde(default)]
     pub resource_pack: ResourcePackConfig,
+    #[serde(default)]
     pub commands: CommandsConfig,
+    #[serde(default)]
     pub rcon: RCONConfig,
+    #[serde(default)]
     pub pvp: PVPConfig,
 }
 
+#[serde_inline_default]
 #[derive(Serialize, Deserialize)]
 pub struct BasicConfiguration {
     /// The address to bind the server to.
+    #[serde(default = "default_server_address")]
     pub server_address: SocketAddr,
     /// The seed for world generation.
+    #[serde(default = "String::new")]
     pub seed: String,
     /// The maximum number of players allowed on the server.
+    #[serde_inline_default(10000)]
     pub max_players: u32,
     /// The maximum view distance for players.
+    #[serde_inline_default(10)]
     pub view_distance: u8,
     /// The maximum simulated view distance.
+    #[serde_inline_default(10)]
     pub simulation_distance: u8,
     /// The default game difficulty.
+    #[serde_inline_default(Difficulty::Normal)]
     pub default_difficulty: Difficulty,
     /// Whether the Nether dimension is enabled.
+    #[serde_inline_default(true)]
     pub allow_nether: bool,
     /// Whether the server is in hardcore mode.
+    #[serde_inline_default(false)]
     pub hardcore: bool,
     /// Whether online mode is enabled. Requires valid Minecraft accounts.
+    #[serde_inline_default(true)]
     pub online_mode: bool,
     /// Whether packet encryption is enabled. Required when online mode is enabled.
+    #[serde_inline_default(true)]
     pub encryption: bool,
     /// The server's description displayed on the status screen.
+    #[serde_inline_default("A Blazing fast Pumpkin Server!".to_string())]
     pub motd: String,
     /// The default game mode for players.
+    #[serde_inline_default(GameMode::Survival)]
     pub default_gamemode: GameMode,
 }
 
+fn default_server_address() -> SocketAddr {
+    SocketAddr::new(Ipv4Addr::new(0, 0, 0, 0).into(), 25565)
+}
+
 impl Default for BasicConfiguration {
     fn default() -> Self {
         Self {
-            server_address: SocketAddr::new(Ipv4Addr::new(0, 0, 0, 0).into(), 25565),
+            server_address: default_server_address(),
             seed: "".to_string(),
             max_players: 100000,
             view_distance: 10,

pumpkin-config/src/proxy.rs

@@ -1,12 +1,14 @@
 use serde::{Deserialize, Serialize};
 
 #[derive(Deserialize, Serialize, Default)]
+#[serde(default)]
 pub struct ProxyConfig {
     pub enabled: bool,
     pub velocity: VelocityConfig,
 }
 
 #[derive(Deserialize, Serialize)]
+#[serde(default)]
 pub struct VelocityConfig {
     pub enabled: bool,
     pub secret: String,

pumpkin-config/src/pvp.rs

@@ -1,16 +1,23 @@
 use serde::{Deserialize, Serialize};
+use serde_inline_default::serde_inline_default;
 
+#[serde_inline_default]
 #[derive(Deserialize, Serialize)]
 pub struct PVPConfig {
     /// Is PVP enabled ?
+    #[serde_inline_default(true)]
     pub enabled: bool,
     /// Do we want to have the Red hurt animation & fov bobbing
+    #[serde_inline_default(true)]
     pub hurt_animation: bool,
     /// Should players in creative be protected against PVP
+    #[serde_inline_default(true)]
     pub protect_creative: bool,
     /// Has PVP Knockback?
+    #[serde_inline_default(true)]
     pub knockback: bool,
     /// Should player swing when attacking?
+    #[serde_inline_default(true)]
     pub swing: bool,
 }
 

pumpkin-config/src/rcon.rs

@@ -1,25 +1,35 @@
 use std::net::{Ipv4Addr, SocketAddr};
 
 use serde::{Deserialize, Serialize};
+use serde_inline_default::serde_inline_default;
 
+#[serde_inline_default]
 #[derive(Deserialize, Serialize, Clone)]
 pub struct RCONConfig {
     /// Is RCON Enabled?
+    #[serde_inline_default(false)]
     pub enabled: bool,
     /// The network address and port where the RCON server will listen for connections.
+    #[serde(default = "default_rcon_address")]
     pub address: SocketAddr,
     /// The password required for RCON authentication.
+    #[serde(default)]
     pub password: String,
     /// The maximum number of concurrent RCON connections allowed.
     /// If 0 there is no limit
+    #[serde(default)]
     pub max_connections: u32,
 }
 
+fn default_rcon_address() -> SocketAddr {
+    SocketAddr::new(Ipv4Addr::new(0, 0, 0, 0).into(), 25575)
+}
+
 impl Default for RCONConfig {
     fn default() -> Self {
         Self {
             enabled: false,
-            address: SocketAddr::new(Ipv4Addr::new(0, 0, 0, 0).into(), 25575),
+            address: default_rcon_address(),
             password: "".to_string(),
             max_connections: 0,
         }

pumpkin-config/src/resource_pack.rs

@@ -1,6 +1,7 @@
 use serde::{Deserialize, Serialize};
 
 #[derive(Deserialize, Serialize)]
+#[serde(default)]
 pub struct ResourcePackConfig {
     pub enabled: bool,
     /// The path to the resource pack.