Added experimental CLI support

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "bwaishotgun"
-version = "0.1.0"
+version = "0.2.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -12,6 +12,7 @@ registry = "1.2"
 anyhow = "1.0"
 shared_memory = "0.12"
 retry = "1.3"
+clap = { version = "3.1", features = ["derive"]}
 
 [profile.release]
 lto = true

build.bat

@@ -1,4 +1,3 @@
-bitsadmin.exe /transfer "Nitekat" "https://www.sscaitournament.com/bot_binary.php?bot=NiteKatT" blub.zip
 cargo build --release
 releng\7za a -pshotgun  -- bwaishotgun.7z target/release/bwaishotgun.exe bots SNP_DirectIP.snp bwheadless.exe game.toml shotgun.toml
 releng\7za rn -pshotgun -- bwaishotgun.7z target/release/bwaishotgun.exe BWAIShotgun.exe

src/cli.rs

@@ -0,0 +1,63 @@
+use crate::{BotConfig, GameConfig};
+use clap::{ErrorKind, Parser, Subcommand};
+
+#[derive(Subcommand, Debug)]
+enum GameType {
+    /// Host a melee game
+    Melee {
+        /// Names of bots to play
+        bots: Vec<String>,
+    },
+    /// You will host a game the bots can join (make sure to select Local PC network)
+    Human {
+        /// Names of bots to play
+        bots: Vec<String>,
+    },
+}
+
+#[derive(Parser, Debug)]
+pub struct Cli {
+    /// Absolute path of map to host
+    #[clap(short, long)]
+    map: Option<String>,
+    #[clap(subcommand)]
+    game_type: Option<GameType>,
+}
+
+pub enum Error {
+    NoArguments,
+    ClapError(clap::Error),
+}
+
+impl TryFrom<Cli> for GameConfig {
+    type Error = Error;
+
+    fn try_from(cli: Cli) -> Result<Self, Self::Error> {
+        if cli.map.is_none() && cli.game_type.is_none() {
+            Err(Error::NoArguments)
+        } else if cli.map.is_some() != cli.game_type.is_some() {
+            Err(Error::ClapError(clap::Error::raw(
+                ErrorKind::DisplayHelpOnMissingArgumentOrSubcommand,
+                "Either no or all arguments are required. Use '-h' to get help.\n",
+            )))
+        } else {
+            let game_type = match cli.game_type.as_ref().expect("Game Type not set") {
+                GameType::Melee { bots } | GameType::Human { bots } => crate::GameType::Melee(
+                    bots.iter()
+                        .map(|name| BotConfig {
+                            name: name.to_string(),
+                            player_name: None,
+                            race: None,
+                        })
+                        .collect(),
+                ),
+            };
+            Ok(GameConfig {
+                map: cli.map.unwrap(),
+                game_name: None,
+                game_type,
+                human_host: matches!(cli.game_type.unwrap(), GameType::Human { .. }),
+            })
+        }
+    }
+}