Make sure that ball cannot be picked up by the same player instantly

rust/src/ball.rs

@@ -8,6 +8,10 @@ use crate::player::{IPlayer, NetTransform};
 #[derive(GodotClass)]
 #[class(base=RigidBody3D, init)]
 pub struct Ball {
+    pub dropper: Option<u16>,
+
+    alive_for: f64,
+
     base: Base<RigidBody3D>,
 }
 
@@ -19,6 +23,10 @@ impl IRigidBody3D for Ball {
             .body_entered()
             .connect_other(self, |s, body| s.on_collision(body));
     }
+
+    fn process(&mut self, delta: f64) {
+        self.alive_for += delta;
+    }
 }
 
 #[godot_api]
@@ -37,6 +45,12 @@ impl Ball {
         if let Ok(player) = node.try_dynify::<dyn IPlayer>()
             && let Some(player_id) = player.dyn_bind().get_player_id()
         {
+            if let Some(dropper_id) = self.dropper
+                && dropper_id == player_id
+                && self.alive_for < 1.0
+            {
+                return;
+            }
             self.run_deferred(move |s| s.signals().on_ball_pickup().emit(player_id));
         }
     }

rust/src/game_manager.rs

@@ -303,27 +303,30 @@ impl Game {
                     for player in s.players.clone() {
                         s.spawn_player_server(player.id);
                     }
-                    s.spawn_ball(None);
+                    s.spawn_ball(None, None);
                 });
             }
         }
     }
 
-    pub fn spawn_ball(&mut self, transform: Option<NetTransform>) {
+    pub fn spawn_ball(&mut self, transform: Option<NetTransform>, player_id: Option<u16>) {
         if let Some(map) = &mut self.current_map {
-            let ball = map.bind_mut().spawn_ball(transform);
+            let ball = map.bind_mut().spawn_ball(transform, player_id);
             if let Some(ball) = &ball {
                 self.world_ball = Some(ball.clone());
                 ball.signals()
                     .on_ball_pickup()
                     .connect_other(self, |s, player_id| s.handle_ball_pickup(player_id));
             }
-            self.run_deferred(|_| {
+            self.run_deferred(move |_| {
                 if let Some(ball) = ball
                     && let Some(peer) = &mut NetworkManager::singleton().bind_mut().peer
                     && let PeerKind::Server(peer, _) = peer
                 {
-                    peer.broadcast_reliable(Package::SpawnBall(ball.bind().get_transform()));
+                    peer.broadcast_reliable(Package::SpawnBall(
+                        ball.bind().get_transform(),
+                        player_id,
+                    ));
                 }
             });
         }

rust/src/map.rs

@@ -90,11 +90,16 @@ impl Map {
         }
     }
 
-    pub fn spawn_ball(&mut self, transform: Option<NetTransform>) -> Option<Gd<Ball>> {
+    pub fn spawn_ball(
+        &mut self,
+        transform: Option<NetTransform>,
+        player_id: Option<u16>,
+    ) -> Option<Gd<Ball>> {
         if let Some(ball_spawner) = self.ball_spawner.clone()
             && let Some(ball_prefab) = &self.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());

rust/src/net/network_manager.rs

@@ -258,9 +258,9 @@ impl INode for NetworkManager {
                                                 .handle_kill(source_player_id, target_player_id);
                                         }
                                     }
-                                    Package::SpawnBall(transform) => {
+                                    Package::SpawnBall(transform, player_id) => {
                                         if let Some(game) = &mut Game::singleton() {
-                                            game.bind_mut().spawn_ball(Some(transform));
+                                            game.bind_mut().spawn_ball(Some(transform), player_id);
                                         }
                                     }
                                     Package::DespawnBall => {
@@ -594,7 +594,7 @@ pub enum Package {
     Shoot(u16, NetVector3, NetTransform, f32),
     TakeDamage(DamageSource, u16, i32),
     Kill(DamageSource, u16),
-    SpawnBall(NetTransform),
+    SpawnBall(NetTransform, Option<u16>),
     DespawnBall,
     SwapWeapon(u16, WeaponType),
 }

rust/src/player.rs

@@ -98,10 +98,13 @@ impl<T: IPlayer + ICharacterBody3D + WithBaseField> PlayerMovement for T {
                     ));
                     if let Some(mut game) = Game::singleton() {
                         if let Some(ball_origin) = &s.get_ball_origin() {
-                            game.bind_mut().spawn_ball(Some(NetTransform {
+                            game.bind_mut().spawn_ball(
+                                Some(NetTransform {
                                     location: ball_origin.get_global_position().into(),
                                     rotation: ball_origin.get_global_rotation().into(),
-                            }));
+                                }),
+                                s.get_player_id(),
+                            );
                         }
                     }
                 }