Added server-cli, UI tests

Former-commit-id: 93bf5b39138920aa7a4a773a8247d716866c4a05

server-cli/.gitignore

@@ -0,0 +1,3 @@
+/target
+**/*.rs.bk
+Cargo.lock

server-cli/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "veloren-server-cli"
+version = "0.1.0"
+authors = ["Joshua Barretto <joshua.s.barretto@gmail.com>"]
+edition = "2018"
+
+[dependencies]
+server = { package = "veloren-server", path = "../server" }
+common = { package = "veloren-common", path = "../common" }
+
+log = "0.4"
+pretty_env_logger = "0.3"

server-cli/src/main.rs

@@ -0,0 +1,35 @@
+// Standard
+use std::time::Duration;
+
+// Library
+use log::info;
+
+// Project
+use server::{self, Server};
+use common::clock::Clock;
+
+const FPS: u64 = 60;
+
+fn main() {
+    // Init logging
+    pretty_env_logger::init();
+
+    info!("Starting server-cli...");
+
+    // Set up an fps clock
+    let mut clock = Clock::new();
+
+    // Create server
+    let mut server = Server::new();
+
+    loop {
+        server.tick(server::Input {}, clock.get_last_delta())
+            .expect("Failed to tick server");
+
+        // Clean up the server after a tick
+        server.cleanup();
+
+        // Wait for the next tick
+        clock.tick(Duration::from_millis(1000 / FPS));
+    }
+}