Make some voxygen dependencies optional

voxygen/Cargo.toml

@@ -7,14 +7,14 @@ default-run = "veloren-voxygen"
 
 [features]
 gl = ["gfx_device_gl"]
-discord = ["discord-rpc-sdk"]
+discord = ["discord-rpc-sdk", "parking_lot", "lazy_static"]
+singleplayer = ["server", "portpicker"]
 
-default = ["gl"]
+default = ["gl", "singleplayer", "msgbox", "heaptrack"]
 
 [dependencies]
 common = { package = "veloren-common", path = "../common" }
 client = { package = "veloren-client", path = "../client" }
-server = { package = "veloren-server", path = "../server" }
 
 # Graphics
 gfx = "0.18.1"
@@ -32,13 +32,18 @@ specs = "0.14.2"
 # Mathematics
 vek = { version = "0.9.8", features = ["serde"] }
 
-# discord
+# Discord
 discord-rpc-sdk = { git = "https://github.com/Songtronix/rust-discord-rpc.git", optional = true }
+parking_lot = { version = "0.9.0", optional = true }
+lazy_static = { version = "1.3.0", optional = true }
+
+# Singleplayer
+server = { package = "veloren-server", path = "../server", optional = true }
+portpicker = { version = "0.1.0", optional = true }
 
 # Utility
 glsl-include = "0.3.1"
 failure = "0.1.5"
-lazy_static = "1.3.0"
 log = "0.4.8"
 dot_vox = "4.0.0"
 image = "0.22.0"
@@ -47,16 +52,14 @@ serde_derive = "1.0.98"
 ron = "0.5.1"
 guillotiere = "0.4.2"
 simplelog = "0.6.0"
-msgbox = { git = "https://github.com/bekker/msgbox-rs.git" }
+msgbox = { git = "https://github.com/bekker/msgbox-rs.git", optional = true }
 directories = "2.0.2"
-portpicker = "0.1.0"
 num = "0.2.0"
 backtrace = "0.3.33"
 rand = "0.7.0"
 frustum_query = "0.1.2"
 rodio = "0.9.0"
 crossbeam = "0.7.2"
-heaptrack = "0.3.0"
+heaptrack = { version = "0.3.0", optional = true }
 hashbrown = { version = "0.5.0", features = ["serde", "nightly"] }
-parking_lot = "0.9.0"
 chrono = "0.4.7"

voxygen/src/main.rs

@@ -25,6 +25,7 @@ pub mod render;
 pub mod scene;
 pub mod session;
 pub mod settings;
+#[cfg(feature = "singleplayer")]
 pub mod singleplayer;
 pub mod window;
 
@@ -32,12 +33,14 @@ pub mod window;
 pub use crate::error::Error;
 
 use crate::{audio::AudioFrontend, menu::main::MainMenuState, settings::Settings, window::Window};
-use heaptrack::track_mem;
 use log::{self, debug, error, info};
 
 use simplelog::{CombinedLogger, Config, TermLogger, TerminalMode, WriteLogger};
 use std::{fs::File, mem, panic, str::FromStr};
 
+#[cfg(feature = "heaptracking")]
+use heaptrack::track_mem;
+#[cfg(feature = "heaptracking")]
 track_mem!();
 
 /// A type used to store state that is shared between all play states.
@@ -193,6 +196,7 @@ fn main() {
             backtrace::Backtrace::new(),
         );
 
+        #[cfg(feature = "errorbox")]
         msgbox::create("Voxygen has panicked", &msg, msgbox::IconType::ERROR);
 
         default_hook(panic_info);

voxygen/src/menu/main/mod.rs

@@ -1,4 +1,5 @@
 mod client_init;
+#[cfg(feature = "singleplayer")]
 mod start_singleplayer;
 mod ui;
 
@@ -7,6 +8,7 @@ use crate::{window::Event, Direction, GlobalState, PlayState, PlayStateResult};
 use client_init::{ClientInit, Error as InitError};
 use common::{clock::Clock, comp};
 use log::warn;
+#[cfg(feature = "singleplayer")]
 use start_singleplayer::StartSingleplayerState;
 use std::time::Duration;
 use ui::{Event as MainMenuEvent, MainMenuUi};
@@ -114,6 +116,7 @@ impl PlayState for MainMenuState {
                                 .login_error("Invalid username or password".to_string());
                         }
                     }
+                    #[cfg(feature = "singleplayer")]
                     MainMenuEvent::StartSingleplayer => {
                         return PlayStateResult::Push(Box::new(StartSingleplayerState::new()));
                     }

voxygen/src/menu/main/ui.rs

@@ -103,6 +103,7 @@ pub enum Event {
         password: String,
         server_address: String,
     },
+    #[cfg(feature = "singleplayer")]
     StartSingleplayer,
     Quit,
     Settings,
@@ -274,6 +275,7 @@ impl MainMenuUi {
 
             // Singleplayer
             // Used when the singleplayer button is pressed
+            #[cfg(feature = "singleplayer")]
             macro_rules! singleplayer {
                 () => {
                     self.login_error = None;
@@ -512,6 +514,8 @@ impl MainMenuUi {
             };
 
             // Singleplayer button
+            #[cfg(feature = "singleplayer")]
+            {
                 if Button::image(self.imgs.button)
                     .hover_image(self.imgs.button_hover)
                     .press_image(self.imgs.button_press)
@@ -528,6 +532,7 @@ impl MainMenuUi {
                 {
                     singleplayer!();
                 }
+            }
             // Quit
             if Button::image(self.imgs.button)
                 .w_h(190.0, 40.0)