Document the EventScene struct more: We'll support only two params for now.

We'll have a generic version soon™️, though.

src/ipc/zone/event_scene.rs

@@ -12,11 +12,10 @@ pub struct EventScene {
     #[brw(pad_before = 2)] // FIXME: um, i don't think this is empty!!
     pub scene_flags: u32,
     pub unk1: u32,
-    pub unk2: u8,
+    pub params_count: u8,
-    #[brw(pad_before = 3)]
+    // Extra padding seems needed after or the client will seemingly softlock even with 2 params, possibly used for alignment?
-    pub unk3: u32,
+    #[brw(pad_before = 3, pad_after = 4)]
-    pub unk4: u32,
+    pub params: [u32; 2],
-    pub unk5: u32,
 }
 
 #[cfg(test)]
@@ -49,9 +48,8 @@ mod tests {
         assert_eq!(event_play.scene, 0);
         assert_eq!(event_play.scene_flags, 4959237);
         assert_eq!(event_play.unk1, 0);
-        assert_eq!(event_play.unk2, 1);
+        assert_eq!(event_play.params_count, 1);
-        assert_eq!(event_play.unk3, 0);
+        assert_eq!(event_play.params[0], 0);
-        assert_eq!(event_play.unk4, 0);
+        assert_eq!(event_play.params[1], 0);
-        assert_eq!(event_play.unk5, 0);
     }
 }

src/world/lua.rs

@@ -93,7 +93,8 @@ impl LuaPlayer {
         event_id: u32,
         scene: u16,
         scene_flags: u32,
-        param: u8,
+        params_count: u8,
+        params: [u32; 2],
     ) {
         let op_code = ServerZoneIpcType::EventScene;
         let data = ServerZoneIpcData::EventScene(EventScene {
@@ -101,7 +102,8 @@ impl LuaPlayer {
             event_id,
             scene,
             scene_flags,
-            unk2: param,
+            params_count,
+            params,
             ..Default::default()
         });
 
@@ -242,9 +244,29 @@ impl UserData for LuaPlayer {
         );
         methods.add_method_mut(
             "play_scene",
-            |_, this, (target, event_id, scene, scene_flags, param): (ObjectTypeId, u32, u16, u32, u8)| {
+            |_,
-                this.play_scene(target, event_id, scene, scene_flags, param);
+             this,
-                Ok(())
+             (target, event_id, scene, scene_flags, params): (
+                ObjectTypeId,
+                u32,
+                u16,
+                u32,
+                Vec<u32>,
+            )| {
+                let params_arr: [u32; 2];
+                if params.len() == 2 {
+                    params_arr = [params[0], params[1]];
+                } else if params.len() == 1 {
+                    params_arr = [params[0], 0];
+                } else {
+                    this.finish_event(event_id);
+                    let message = "Script params are invalid, it contains either more than 2 parameters or no parameters at all!";
+                    tracing::error!(message);
+                    this.send_message(message, 0);
+                    return Ok(());
+                }
+                this.play_scene(target, event_id, scene, scene_flags, params.len() as u8, params_arr);
+                return Ok(());
             },
         );
         methods.add_method_mut(