Big API refactor

kiln-core/src/api/player.rs

@@ -0,0 +1,21 @@
+use rhai::Engine;
+use crate::player::Player;
+use crate::script::Registerable;
+use crate::utils::{ErrorSink, PlayerPos};
+
+/// GameState stores player state but Board stores its position, and we want one
+/// object to register with Rhai
+#[derive(Copy, Clone)]
+pub struct PlayerWithPos(pub Player, pub PlayerPos);
+
+impl Registerable for PlayerWithPos {
+    fn register(engine: &mut Engine, _error_sink: ErrorSink) {
+        engine.register_type_with_name::<PlayerWithPos>("Player")
+            .register_get("gems", |player: &mut PlayerWithPos| player.0.gems)
+            .register_get("health", |player: &mut PlayerWithPos| player.0.health)
+            .register_get("max_health", |player: &mut PlayerWithPos| player.0.max_health)
+            .register_get("keys", |player: &mut PlayerWithPos| player.0.keys)
+            .register_get("x", |player: &mut PlayerWithPos| player.1.x)
+            .register_get("y", |player: &mut PlayerWithPos| player.1.y);
+    }
+}