add init-project command

planetwars-localdev/README.md

@@ -1,3 +1,9 @@
 # planetwars-localdev
 
 Tools for developping planetwars bots locally.
+
+## Getting started
+
+1. Initialize your project directory: `pwcli init-project my_project`
+2. Enter your fresh project: `cd my_project`
+3. Run an example match: `pwcli run-match hex simplebot simplebot`

planetwars-localdev/assets/hex.json

@@ -0,0 +1,43 @@
+{
+    "planets": [
+        {
+            "name": "protos",
+            "x": -6,
+            "y": 0,
+            "owner": 1,
+            "ship_count": 6
+        },
+        {
+            "name": "duteros",
+            "x": -3,
+            "y": 5,
+            "ship_count": 6
+        },
+        {
+            "name": "tritos",
+            "x": 3,
+            "y": 5,
+            "ship_count": 6
+        },
+        {
+            "name": "tetartos",
+            "x": 6,
+            "y": 0,
+            "owner": 2,
+            "ship_count": 6
+        },
+        {
+            "name": "pemptos",
+            "x": 3,
+            "y": -5,
+            "ship_count": 6
+        },
+        {
+            "name": "extos",
+            "x": -3,
+            "y": -5,
+            "ship_count": 6
+        }
+    ]
+}
+    

planetwars-localdev/assets/pw_project.toml

@@ -0,0 +1,10 @@
+[bots]
+
+# define a bot called simplebot
+[bots.simplebot]
+
+# The working directory for the bot. 
+path = "./bots/simplebot"
+
+# What command to use for running the bot
+argv = ["python", "simplebot.py"]

planetwars-localdev/assets/simplebot.py

@@ -0,0 +1,33 @@
+import sys, json
+
+def move(command):
+    """ print a command record to stdout """
+    moves = []
+    if command is not None:
+        moves.append(command)
+
+    print(json.dumps({ 'moves': moves }))
+    # flush the buffer, so that the gameserver can receive the json-encoded line.
+    sys.stdout.flush()
+
+
+for line in sys.stdin:
+    state = json.loads(line)
+    # you are always player 1.
+    my_planets = [p for p in state['planets'] if p['owner'] == 1]
+    other_planets = [p for p in state['planets'] if p['owner'] != 1]
+
+    if not my_planets or not other_planets:
+        # we don't own any planets, so we can't make any moves.
+        move(None)
+    else:
+        # find my planet that has the most ships
+        planet = max(my_planets, key=lambda p: p['ship_count'])
+        # find enemy planet that has the least ships
+        destination = min(other_planets, key=lambda p: p['ship_count'])
+        # attack!
+        move({
+            'origin': planet['name'],
+            'destination': destination['name'],
+            'ship_count': planet['ship_count'] - 1
+        })

planetwars-localdev/src/lib.rs

@@ -22,6 +22,8 @@ struct Cli {
 
 #[derive(Subcommand)]
 enum Commands {
+    /// Initialize a new project
+    InitProject(InitProjectCommand),
     /// Run a match
     RunMatch(RunMatchCommand),
 }
@@ -34,6 +36,12 @@ struct RunMatchCommand {
     bots: Vec<String>,
 }
 
+#[derive(Parser)]
+struct InitProjectCommand {
+    /// project root directory
+    path: String,
+}
+
 #[derive(Serialize, Deserialize, Debug)]
 struct ProjectConfig {
     bots: HashMap<String, BotConfig>,
@@ -49,6 +57,7 @@ pub async fn run() {
     let matches = Cli::parse();
     let res = match matches.command {
         Commands::RunMatch(command) => run_match(command).await,
+        Commands::InitProject(command) => init_project(command),
     };
     if let Err(err) = res {
         eprintln!("{}", err);
@@ -89,7 +98,10 @@ async fn run_match(command: RunMatchCommand) -> io::Result<()> {
     };
 
     match_runner::run_match(match_config).await;
-
+    println!("match completed successfully");
+    // TODO: don't hardcode match path.
+    // maybe print the match     result as well?
+    println!("wrote match log to matches/{}.log", timestamp);
     Ok(())
 }
 
@@ -101,3 +113,29 @@ fn resolve_bot_config(project_dir: &Path, config: BotConfig) -> BotConfig {
         argv: config.argv,
     }
 }
+
+macro_rules! copy_asset {
+    ($path:expr, $file_name:literal) => {
+        ::std::fs::write(
+            $path.join($file_name),
+            include_bytes!(concat!("../assets/", $file_name)),
+        )?;
+    };
+}
+
+fn init_project(command: InitProjectCommand) -> io::Result<()> {
+    let path = PathBuf::from(&command.path);
+
+    // create directories
+    std::fs::create_dir_all(&path)?;
+    std::fs::create_dir(path.join("maps"))?;
+    std::fs::create_dir(path.join("matches"))?;
+    std::fs::create_dir_all(path.join("bots/simplebot"))?;
+
+    // create files
+    copy_asset!(path, "pw_project.toml");
+    copy_asset!(path.join("maps"), "hex.json");
+    copy_asset!(path.join("bots/simplebot"), "simplebot.py");
+
+    Ok(())
+}

planetwars-rules/src/config.rs

@@ -1,6 +1,7 @@
 use std::fs::File;
 use std::io;
 use std::io::Read;
+use std::path::PathBuf;
 
 use serde_json;
 
@@ -9,7 +10,7 @@ use super::rules::*;
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct Config {
-    pub map_file: String,
+    pub map_file: PathBuf,
     pub max_turns: u64,
 }