Add decals to shotgun as well

godot/scenes/weapons/shotgun.tscn

@@ -1,5 +1,6 @@
 [gd_scene format=3 uid="uid://deyfeiqyi0wmj"]
 
+[ext_resource type="PackedScene" uid="uid://b32uxedvawp73" path="res://scenes/weapons/bullet_hole_decal.tscn" id="1_278ir"]
 [ext_resource type="AudioStream" uid="uid://bcclq2sv7k0x3" path="res://raw_assets/sfx/gun_sounds/shotgun_compressed.mp3" id="1_pyt38"]
 [ext_resource type="PackedScene" uid="uid://b8nwd3323kwlc" path="res://mesh/shotgun.tscn" id="3_0xpw2"]
 
@@ -53,6 +54,7 @@ curve = SubResource("Curve_yli5f")
 sound_emitter = NodePath("sound_emitter")
 vfx = NodePath("gpu_particles_3d")
 cooldown = 1.0
+decal = ExtResource("1_278ir")
 
 [node name="sound_emitter" type="AudioStreamPlayer3D" parent="." unique_id=1572422640]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.8420726, 0)

rust/src/player/weapon.rs

@@ -1,14 +1,14 @@
 use std::{collections::HashSet, f32::consts::PI};
 
 use godot::{
-    classes::{AudioStreamPlayer3D, GpuParticles3D},
+    classes::{AudioStreamPlayer3D, GpuParticles3D, RandomNumberGenerator},
     prelude::*,
 };
 use serde::{Deserialize, Serialize};
 
 use crate::{
     game::Game,
-    net::util::{cast_ray, shotgun_ray},
+    net::util::{RaycastResult, cast_ray, shotgun_ray},
     player::{DamageSource, shootable::Shootable},
     replay::StandaloneReplayManager,
 };
@@ -92,16 +92,8 @@ impl Weapon for Raygun {
 
             let target_clone = target.clone();
             self.run_deferred(|s| {
-                if let Some(mut game) = Game::singleton()
+                if let Some(target) = target_clone {
-                    && let Some(map) = &mut game.bind_mut().current_map
+                    add_decal(&target, s.decal.clone());
-                    && let Some(target) = target_clone
-                    && let Some(prefab) = &s.decal
-                {
-                    let mut decal = prefab.instantiate_as::<Node3D>();
-                    map.add_child(&decal);
-                    decal.set_global_position(target.position);
-                    let quat = Quaternion::from_rotation_arc(Vector3::UP, target.normal);
-                    decal.set_global_rotation(quat.get_euler());
                 }
             });
 
@@ -177,8 +169,13 @@ pub struct Shotgun {
     #[export]
     cooldown: f64,
 
+    #[export]
+    decal: Option<Gd<PackedScene>>,
+
     cooldown_remaining: f64,
 
+    rng: Gd<RandomNumberGenerator>,
+
     base: Base<Node3D>,
 }
 
@@ -212,8 +209,7 @@ impl Weapon for Shotgun {
         }
 
         let mut colliders = HashSet::new();
-
+        let results = shotgun_ray(
-        for result in shotgun_ray(
             from,
             to,
             up,
@@ -222,8 +218,25 @@ impl Weapon for Shotgun {
             10,
             PI / 2.,
             10.,
-        ) {
+        );
-            colliders.insert(result.collider);
+        let mut bullet_decal_results = Vec::new();
+        for _ in 0..10 {
+            if let Some(result) = results
+                .get(self.rng.randi_range(0, results.len() as i32 - 1) as usize)
+                .cloned()
+            {
+                bullet_decal_results.push(result);
+            }
+        }
+
+        for result in bullet_decal_results {
+            self.run_deferred(move |s| {
+                add_decal(&result, s.decal.clone());
+            });
+        }
+
+        for result in &results {
+            colliders.insert(result.collider.clone());
         }
 
         if deal_damage {
@@ -339,3 +352,16 @@ impl Weapon for BallWeapon {
 
     fn set_remaining_cd(&mut self, _: f64) {}
 }
+
+fn add_decal(result: &RaycastResult, prefab: Option<Gd<PackedScene>>) {
+    if let Some(mut game) = Game::singleton()
+        && let Some(map) = &mut game.bind_mut().current_map
+        && let Some(prefab) = prefab
+    {
+        let mut decal = prefab.instantiate_as::<Node3D>();
+        map.add_child(&decal);
+        decal.set_global_position(result.position);
+        let quat = Quaternion::from_rotation_arc(Vector3::UP, result.normal);
+        decal.set_global_rotation(quat.get_euler());
+    }
+}