Add blood decals for clients as well

rust/src/game/mod.rs

@@ -31,6 +31,7 @@ use crate::{
         buffs::{Buff, BuffKind},
         local_player::LocalPlayer,
         remote_player::RemotePlayer,
+        shootable::Shootable,
         telegrenade::Telegrenade,
         weapon::WeaponType,
     },
@@ -1087,6 +1088,25 @@ impl Game {
         }
     }
 
+    // Handled whenever a player is shot, run on client-side only
+    pub fn handle_on_shot(
+        &mut self,
+        player_id: u16,
+        source: DamageSource,
+        damage: i32,
+        delta: NetVector3,
+    ) {
+        if let Some(player) = self.find_player_mut(player_id)
+            && let Some(character) = &mut player.character
+        {
+            if let Ok(mut shootable) = character.clone().into_gd().try_dynify::<dyn Shootable>() {
+                shootable
+                    .dyn_bind_mut()
+                    .on_shoot_visual(source, damage, delta.into());
+            }
+        }
+    }
+
     // Handle shooting, either from the server of from a client
     pub fn handle_shoot(
         &mut self,

rust/src/map/triggers.rs

@@ -181,6 +181,8 @@ impl Shootable for ShootableTrigger {
             self.signals().on_shot().emit(id, damage, dir);
         }
     }
+
+    fn on_shoot_visual(&mut self, _: DamageSource, _: i32, _: Vector3) {}
 }
 
 #[derive(GodotClass)]

rust/src/net/network_manager.rs

@@ -357,6 +357,7 @@ pub enum Package {
     Jump(u16),
     Shoot(u16, NetVector3, NetTransform, f32),
     Punch(u16, NetVector3, NetTransform, f32),
+    OnShot(u16, DamageSource, i32, NetVector3),
     TakeDamage(DamageSource, u16, i32),
     Kill(DamageSource, u16),
     SpawnBall(NetTransform, NetVector3, Option<u16>),

rust/src/net/protocol.rs

@@ -7,6 +7,7 @@ use crate::{
     game::{Game, GameManager, opts::GameOption},
     game_settings::GameSettingsManager,
     net::network_manager::{NetworkManager, Package, PeerKind},
+    player,
     popup_queue::{Popup, PopupQueue},
     ui::cli::{CliColor, CommandLinePanel},
 };
@@ -262,6 +263,12 @@ impl NetworkManager {
                                 game.bind_mut().on_trigger_deactivate(id);
                             }
                         }
+                        Package::OnShot(player_id, source, damage, delta) => {
+                            if let Some(game) = &mut Game::singleton() {
+                                game.bind_mut()
+                                    .handle_on_shot(player_id, source, damage, delta);
+                            }
+                        }
                         _ => {}
                     },
                 },

rust/src/player/ball.rs

@@ -100,4 +100,6 @@ impl Shootable for Ball {
         self.base_mut()
             .set_linear_velocity(prev_velocity + delta.normalized() * force);
     }
+
+    fn on_shoot_visual(&mut self, _: DamageSource, _: i32, _: Vector3) {}
 }

rust/src/player/effects.rs

@@ -112,14 +112,15 @@ impl PlayerEffects {
                     s.base().get_basis().col_c(),
                     &s.base().get_world_3d(),
                     &Array::new(),
-                    (20. / delta.length()) as u8,
+                    10,
+                    // Calculate the particular spread of blood
                     (((PI / 4.) * force) / delta.length()).min(PI / 2.),
                     10. + delta.length() / 3.,
                     None,
                 );
 
                 let mut decal_results = Vec::new();
-                for _ in 0..(force * 5.) as usize {
+                for _ in 0..(force * force * 4.) as usize {
                     if let Some(result) = results
                         .get(s.rng.randi_range(0, results.len() as i32 - 1) as usize)
                         .cloned()
@@ -127,7 +128,6 @@ impl PlayerEffects {
                         decal_results.push(result);
                     }
                 }
-                godot_print!("{:?}", decal_results);
 
                 for result in decal_results {
                     let mut decal = prefab.instantiate_as::<Node3D>();

rust/src/player/local_player.rs

@@ -940,11 +940,27 @@ impl LocalPlayer {
 #[godot_dyn]
 impl Shootable for LocalPlayer {
     fn on_shoot(&mut self, source: DamageSource, damage: i32, delta: Vector3) {
-        if self.can_take_damage(&source)
-            && let Some(fx) = &mut self.effects
+        if let Some(peer) = &mut NetworkManager::singleton().bind_mut().peer
+            && let PeerKind::Server(peer, _) = peer
         {
-            fx.bind_mut().shoot_blood(delta, damage as f32 / 100.);
+            peer.broadcast_reliable(Package::OnShot(
+                self.player_id.unwrap_or(0),
+                source,
+                damage,
+                delta.into(),
+            ));
+            self.on_shoot_visual(source, damage, delta);
         }
         self.take_damage(source, damage, true);
     }
+
+    fn on_shoot_visual(&mut self, source: DamageSource, damage: i32, delta: Vector3) {
+        self.run_deferred(move |s| {
+            if s.can_take_damage(&source)
+                && let Some(fx) = &mut s.effects
+            {
+                fx.bind_mut().shoot_blood(delta, damage as f32 / 100.);
+            }
+        });
+    }
 }

rust/src/player/remote_player.rs

@@ -10,6 +10,7 @@ use godot::{
 use crate::{
     game::{Game, opts::GameOption},
     map::{killbox::KillboxKind, pickup::PickupKind},
+    net::network_manager::{NetworkManager, Package, PeerKind},
     player::{
         DamageSource, DamageSourceSignal, IPlayer, NetTransform, PlayerCommon,
         buffs::{Buff, Buffs},
@@ -502,11 +503,27 @@ impl RemotePlayer {
 #[godot_dyn]
 impl Shootable for RemotePlayer {
     fn on_shoot(&mut self, source: DamageSource, damage: i32, delta: Vector3) {
-        if self.can_take_damage(&source)
-            && let Some(fx) = &mut self.effects
+        if let Some(peer) = &mut NetworkManager::singleton().bind_mut().peer
+            && let PeerKind::Server(peer, _) = peer
         {
-            fx.bind_mut().shoot_blood(delta, damage as f32 / 100.);
+            peer.broadcast_reliable(Package::OnShot(
+                self.player_id.unwrap_or(0),
+                source,
+                damage,
+                delta.into(),
+            ));
+            self.on_shoot_visual(source, damage, delta);
         }
         self.take_damage(source, damage, true);
     }
+
+    fn on_shoot_visual(&mut self, source: DamageSource, damage: i32, delta: Vector3) {
+        self.run_deferred(move |s| {
+            if s.can_take_damage(&source)
+                && let Some(fx) = &mut s.effects
+            {
+                fx.bind_mut().shoot_blood(delta, damage as f32 / 100.);
+            }
+        });
+    }
 }

rust/src/player/shootable.rs

@@ -2,5 +2,6 @@ use crate::player::DamageSource;
 use godot::prelude::*;
 
 pub trait Shootable {
-    fn on_shoot(&mut self, source: DamageSource, damage: i32, dir: Vector3);
+    fn on_shoot(&mut self, source: DamageSource, damage: i32, delta: Vector3);
+    fn on_shoot_visual(&mut self, source: DamageSource, damage: i32, delta: Vector3);
 }

rust/src/player/weapon.rs

@@ -1,4 +1,7 @@
-use std::{collections::HashSet, f32::consts::PI};
+use std::{
+    collections::{HashMap, HashSet},
+    f32::consts::PI,
+};
 
 use godot::{
     classes::{AudioStreamPlayer3D, GpuParticles3D, RandomNumberGenerator},
@@ -224,7 +227,7 @@ impl Weapon for Shotgun {
             vfx.set_emitting(true);
         }
 
-        let mut colliders = HashSet::new();
+        let mut colliders: HashMap<Gd<Object>, Vec<Vector3>> = HashMap::new();
         let results = shotgun_ray(
             from,
             to,
@@ -255,17 +258,17 @@ impl Weapon for Shotgun {
         }
 
         for result in &results {
-            colliders.insert(result.collider.clone());
+            if let Some(positions) = colliders.get_mut(&result.collider) {
+                positions.push(result.position)
+            } else {
+                colliders.insert(result.collider.clone(), vec![result.position]);
+            }
         }
 
         if deal_damage {
-            for collider in colliders {
-                let collider_pos = if let Ok(node) = collider.clone().try_cast::<Node3D>() {
-                    node.get_global_position()
-                } else {
-                    Vector3::ZERO
-                };
-                let delta = collider_pos - from;
+            for (collider, positions) in colliders {
+                let position = positions.iter().sum::<Vector3>() / positions.len() as f32;
+                let delta = position - from;
 
                 if let Ok(mut shootable) = collider.clone().try_dynify::<dyn Shootable>() {
                     self.run_deferred(move |_| {