0.1.0-0-pre.1

crates/engines/engine-v1-common/Cargo.toml

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+# file: crates/engines/engine-v1-common/Cargo.toml
+# version: 1
+
+[package]
+name = "engine-v1-common"
+version.workspace = true
+edition.workspace = true
+license.workspace = true
+repository.workspace = true
+authors.workspace = true
+publish.workspace = true
+
+[lints]
+workspace = true

crates/engines/engine-v1-common/src/action.rs

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+// file: crates/engines/engine-v1-common/src/action.rs
+// version: 1
+
+/// Logical game actions independent from physical input devices.
+#[derive(Clone, Copy, Debug, Eq, PartialEq)]
+pub enum GameAction {
+    /// Move or select left.
+    Left,
+    /// Move or select right.
+    Right,
+    /// Move or select upward.
+    Up,
+    /// Move or select downward.
+    Down,
+    /// Trigger the primary game action.
+    Primary,
+    /// Trigger the secondary game action.
+    Secondary,
+    /// Pause or resume the game.
+    Pause,
+}

crates/engines/engine-v1-common/src/lib.rs

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+// file: crates/engines/engine-v1-common/src/lib.rs
+// version: 1
+
+#![warn(missing_docs)]
+#![deny(unreachable_pub)]
+#![forbid(unsafe_code)]
+
+//! Common, platform-independent primitives for engine generation V1.
+
+mod action;
+
+/// Re-export of the canonical logical input action used by engine V1 games.
+pub use self::action::GameAction;