Make emitter use guncode (#13258)

Content.Server/Singularity/Components/EmitterComponent.cs

@@ -15,20 +15,12 @@ namespace Content.Server.Singularity.Components
         // Whether the power switch is on AND the machine has enough power (so is actively firing)
         [ViewVariables] public bool IsPowered;
 
-        // For the "emitter fired" sound
-        public const float Variation = 0.25f;
-        public const float Volume = 0.5f;
-        public const float Distance = 6f;
-
         /// <summary>
         /// counts the number of consecutive shots fired.
         /// </summary>
         [ViewVariables]
         public int FireShotCounter;
 
-        [DataField("fireSound")]
-        public SoundSpecifier FireSound = new SoundPathSpecifier("/Audio/Weapons/emitter.ogg");
-
         /// <summary>
         /// The entity that is spawned when the emitter fires.
         /// </summary>

Content.Server/Singularity/EntitySystems/EmitterSystem.cs

@@ -6,16 +6,17 @@ using Content.Server.Power.EntitySystems;
 using Content.Server.Projectiles;
 using Content.Server.Singularity.Components;
 using Content.Server.Storage.Components;
+using Content.Server.Weapons.Ranged.Systems;
 using Content.Shared.Database;
 using Content.Shared.Interaction;
 using Content.Shared.Popups;
 using Content.Shared.Projectiles;
 using Content.Shared.Singularity.Components;
+using Content.Shared.Weapons.Ranged.Components;
 using JetBrains.Annotations;
-using Robust.Shared.Audio;
+using Robust.Shared.Map;
 using Robust.Shared.Physics;
 using Robust.Shared.Physics.Components;
-using Robust.Shared.Physics.Systems;
 using Robust.Shared.Random;
 using Robust.Shared.Utility;
 using Timer = Robust.Shared.Timing.Timer;
@@ -28,10 +29,9 @@ namespace Content.Server.Singularity.EntitySystems
         [Dependency] private readonly IRobustRandom _random = default!;
         [Dependency] private readonly IAdminLogManager _adminLogger = default!;
         [Dependency] private readonly SharedAppearanceSystem _appearance = default!;
-        [Dependency] private readonly SharedAudioSystem _audio = default!;
         [Dependency] private readonly SharedPopupSystem _popup = default!;
         [Dependency] private readonly ProjectileSystem _projectile = default!;
-        [Dependency] private readonly SharedPhysicsSystem _physics = default!;
+        [Dependency] private readonly GunSystem _gun = default!;
 
         public override void Initialize()
         {
@@ -207,33 +207,16 @@ namespace Content.Server.Singularity.EntitySystems
         private void Fire(EmitterComponent component)
         {
             var uid = component.Owner;
-            var projectile = EntityManager.SpawnEntity(component.BoltType, EntityManager.GetComponent<TransformComponent>(uid).Coordinates);
+            if (!TryComp<GunComponent>(uid, out var guncomp))
-
-            if (!EntityManager.TryGetComponent<PhysicsComponent?>(projectile, out var physicsComponent))
-            {
-                Logger.Error("Emitter tried firing a bolt, but it was spawned without a PhysicsComponent");
                 return;
-            }
 
-            physicsComponent.BodyStatus = BodyStatus.InAir;
+            var xform = Transform(uid);
+            var ent = Spawn(component.BoltType, xform.Coordinates);
+            var proj = EnsureComp<ProjectileComponent>(ent);
+            _projectile.SetShooter(proj, uid);
 
-            if (!EntityManager.TryGetComponent<ProjectileComponent?>(projectile, out var projectileComponent))
+            var targetPos = new EntityCoordinates(uid, (0, -1));
-            {
+            _gun.Shoot(guncomp, ent, xform.Coordinates, targetPos);
-                Logger.Error("Emitter tried firing a bolt, but it was spawned without a ProjectileComponent");
-                return;
-            }
-
-            _projectile.SetShooter(projectileComponent, component.Owner);
-
-            var worldRotation = Transform(uid).WorldRotation;
-            _physics.SetLinearVelocity(physicsComponent, worldRotation.ToWorldVec() * 20f);
-            Transform(projectile).WorldRotation = worldRotation;
-
-            // TODO: Move to projectile's code.
-            Timer.Spawn(3000, () => EntityManager.DeleteEntity(projectile));
-
-            _audio.PlayPvs(component.FireSound, component.Owner,
-                AudioParams.Default.WithVariation(EmitterComponent.Variation).WithVolume(EmitterComponent.Volume).WithMaxDistance(EmitterComponent.Distance));
         }
 
         private void UpdateAppearance(EmitterComponent component)

Resources/Prototypes/Entities/Objects/Weapons/Guns/Projectiles/projectiles.yml

@@ -222,6 +222,7 @@
       - state: projectile
         shader: unshaded
   - type: Ammo
+    muzzleFlash: null
   - type: Physics
   - type: Fixtures
     fixtures:
@@ -242,6 +243,8 @@
   - type: Tag
     tags:
     - EmitterBolt
+  - type: TimedDespawn
+    lifetime: 3
 
 - type: entity
   id: BulletKinetic

Resources/Prototypes/Entities/Structures/Power/Generation/Singularity/emitter.yml

@@ -34,6 +34,13 @@
       shader: unshaded
       visible: false
   - type: Emitter
+  - type: Gun
+    fireRate: 10 #just has to be fast enough to keep up with upgrades
+    selectedMode: SemiAuto
+    availableModes:
+      - SemiAuto
+    soundGunshot:
+      path: /Audio/Weapons/emitter.ogg
   - type: PowerConsumer
     voltage: Medium
   - type: NodeContainer