1 files changed, 79 insertions, 0 deletions
diff --git a/planetwars-rules/src/protocol.rs b/planetwars-rules/src/protocol.rs
new file mode 100644
index 0000000..23612d0
--- /dev/null
+++ b/planetwars-rules/src/protocol.rs
@@ -0,0 +1,79 @@
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Expedition {
+    pub id: u64,
+    pub ship_count: u64,
+    pub origin: String,
+    pub destination: String,
+    pub owner: usize,
+    pub turns_remaining: u64,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Planet {
+    pub ship_count: u64,
+    pub x: f64,
+    pub y: f64,
+    pub owner: Option<usize>,
+    pub name: String,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Action {
+    #[serde(rename = "moves")]
+    pub commands: Vec<Command>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Command {
+    pub origin: String,
+    pub destination: String,
+    pub ship_count: u64,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct State {
+    pub planets: Vec<Planet>,
+    pub expeditions: Vec<Expedition>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct GameInfo {
+    pub players: Vec<String>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub enum CommandError {
+    NotEnoughShips,
+    OriginNotOwned,
+    ZeroShipMove,
+    OriginDoesNotExist,
+    DestinationDoesNotExist,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct PlayerCommand {
+    pub command: Command,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub error: Option<CommandError>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+#[serde(tag = "type", content = "value")]
+pub enum PlayerAction {
+    Timeout,
+    ParseError(String),
+    Commands(Vec<PlayerCommand>),
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+#[serde(tag = "type", content = "content")]
+pub enum ServerMessage {
+    /// Game state in current turn
+    GameState(State),
+    /// The action that was performed
+    PlayerAction(PlayerAction),
+    /// The game is over, and this is the concluding state.
+    FinalState(State),
+}