initial arhitectural overhaul

Signed-off-by: Sienna Meridian Satterwhite <sienna@r3t.io>

crates/libmarathon/src/engine/events.rs

@@ -0,0 +1,71 @@
+//! Events emitted from the Core Engine to Bevy
+
+use crate::networking::{NodeId, SessionId, VectorClock};
+use bevy::prelude::*;
+use uuid::Uuid;
+
+/// Events that the Core Engine emits to Bevy
+#[derive(Debug, Clone)]
+pub enum EngineEvent {
+    // Networking status
+    NetworkingStarted {
+        session_id: SessionId,
+        node_id: NodeId,
+    },
+    NetworkingFailed {
+        error: String,
+    },
+    NetworkingStopped,
+    SessionJoined {
+        session_id: SessionId,
+    },
+    SessionLeft,
+
+    // Peer events
+    PeerJoined {
+        node_id: NodeId,
+    },
+    PeerLeft {
+        node_id: NodeId,
+    },
+
+    // CRDT sync events
+    EntitySpawned {
+        entity_id: Uuid,
+        position: Vec3,
+        rotation: Quat,
+        version: VectorClock,
+    },
+    EntityUpdated {
+        entity_id: Uuid,
+        position: Vec3,
+        rotation: Quat,
+        version: VectorClock,
+    },
+    EntityDeleted {
+        entity_id: Uuid,
+        version: VectorClock,
+    },
+
+    // Lock events
+    LockAcquired {
+        entity_id: Uuid,
+        holder: NodeId,
+    },
+    LockReleased {
+        entity_id: Uuid,
+    },
+    LockDenied {
+        entity_id: Uuid,
+        current_holder: NodeId,
+    },
+    LockExpired {
+        entity_id: Uuid,
+    },
+
+    // Clock events
+    ClockTicked {
+        sequence: u64,
+        clock: VectorClock,
+    },
+}