Use separate ball for replays

godot/maps/default_map/map0.tscn

@@ -5,6 +5,7 @@
 [ext_resource type="PackedScene" uid="uid://hmh2lrrlo2wy" path="res://scenes/player/replay_player.tscn" id="3_8af6u"]
 [ext_resource type="PackedScene" uid="uid://dfnbc8sbufa4j" path="res://scenes/misc/ball.tscn" id="3_e0nj3"]
 [ext_resource type="PackedScene" uid="uid://c1r8nk58cci3a" path="res://scenes/misc/goal.tscn" id="4_w7til"]
+[ext_resource type="PackedScene" uid="uid://dc17w5n6y1an" path="res://scenes/misc/replay_ball.tscn" id="5_oqkce"]
 
 [sub_resource type="ImageTexture" id="ImageTexture_3vyb7"]
 
@@ -27,6 +28,7 @@ local_player = ExtResource("1_yjvui")
 remote_player = ExtResource("2_kcncr")
 replay_player = ExtResource("3_8af6u")
 ball = ExtResource("3_e0nj3")
+replay_ball = ExtResource("5_oqkce")
 
 [node name="terrain" type="MeshInstance3D" parent="." unique_id=1474127252]
 material_override = SubResource("StandardMaterial3D_u8vuu")

godot/scenes/misc/replay_ball.tscn

@@ -0,0 +1,16 @@
+[gd_scene format=3 uid="uid://dc17w5n6y1an"]
+
+[ext_resource type="PackedScene" uid="uid://r13poamopmnv" path="res://mesh/ball_mesh.tscn" id="1_ishne"]
+
+[sub_resource type="SphereShape3D" id="SphereShape3D_1cgct"]
+
+[node name="replay_ball" type="Ball" unique_id=816748600]
+collision_layer = 8
+collision_mask = 4
+contact_monitor = true
+max_contacts_reported = 10
+
+[node name="mesh_instance_3d" parent="." unique_id=37904686 instance=ExtResource("1_ishne")]
+
+[node name="collision_shape_3d" type="CollisionShape3D" parent="." unique_id=1408432914]
+shape = SubResource("SphereShape3D_1cgct")

rust/src/map.rs

@@ -24,6 +24,8 @@ pub struct Map {
     pub replay_player: Option<Gd<PackedScene>>,
     #[export]
     pub ball: Option<Gd<PackedScene>>,
+    #[export]
+    pub replay_ball: Option<Gd<PackedScene>>,
 
     base: Base<Node3D>,
 }
@@ -147,4 +149,31 @@ impl Map {
             None
         }
     }
+
+    pub fn spawn_replay_ball(
+        &mut self,
+        transform: Option<NetTransform>,
+        velocity: Option<NetVector3>,
+        player_id: Option<u16>,
+    ) -> Option<Gd<Ball>> {
+        if let Some(ball_spawner) = self.ball_spawner.clone()
+            && let Some(ball_prefab) = &self.replay_ball
+        {
+            let mut ball = ball_prefab.instantiate_as::<Ball>();
+            ball.bind_mut().dropper = player_id;
+            self.base_mut().add_child(&ball);
+            if let Some(transform) = transform {
+                ball.set_global_position(transform.location.into());
+                ball.set_global_rotation(transform.rotation.into());
+            } else {
+                ball.set_global_position(ball_spawner.get_global_position());
+            }
+            if let Some(velocity) = velocity {
+                ball.set_linear_velocity(velocity.into());
+            }
+            Some(ball)
+        } else {
+            None
+        }
+    }
 }

rust/src/replay.rs

@@ -57,7 +57,7 @@ impl INode for ReplayPlayback {
                         velocity: ball_state.velocity,
                     });
                 } else if let Some(map) = &mut self.current_map {
-                    if let Some(ball) = map.bind_mut().spawn_ball(
+                    if let Some(ball) = map.bind_mut().spawn_replay_ball(
                         ball_state.transform.into(),
                         ball_state.velocity.into(),
                         None,