add: base system + light module

Content.Server/_White/WeaponModules/WeaponModulesComponent.cs

@@ -0,0 +1,11 @@
+namespace Content.Server._White.WeaponModules;
+
+/// <summary>
+/// This is used for...
+/// </summary>
+[RegisterComponent]
+public sealed partial class WeaponModulesComponent : Component
+{
+    [ViewVariables(VVAccess.ReadWrite)]
+    public List<string?> Modules = new();
+}

Content.Server/_White/WeaponModules/WeaponModulesSystem.cs

@@ -0,0 +1,96 @@
+using Content.Server.Light.Events;
+using Content.Server.Lightning;
+using Robust.Server.GameObjects;
+using Robust.Shared.Containers;
+
+namespace Content.Server._White.WeaponModules;
+
+public sealed class WeaponModulesSystem : EntitySystem
+{
+    protected const string ModulesSlot = "gun_modules";
+    [Dependency] private readonly SharedPointLightSystem _lightSystem = default!;
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<WeaponModulesComponent, EntInsertedIntoContainerMessage>(OnInsert);
+        SubscribeLocalEvent<WeaponModulesComponent, EntRemovedFromContainerMessage>(OnEject);
+    }
+
+    private void OnInsert(EntityUid uid, WeaponModulesComponent comp, EntInsertedIntoContainerMessage args)
+    {
+        if (ModulesSlot != args.Container.ID)
+            return;
+
+        string weapon = Prototype(args.Entity)!.ID;
+        EntityUid target = args.Container.Owner;
+
+        insertModules(weapon, comp);
+        moduleEffect(weapon, target);
+    }
+
+    private void OnEject(EntityUid uid, WeaponModulesComponent comp, EntRemovedFromContainerMessage args)
+    {
+        if (ModulesSlot != args.Container.ID)
+            return;
+
+        string weapon = Prototype(args.Entity)!.ID;
+        EntityUid target = args.Container.Owner;
+
+        removeModules(weapon, comp);
+        removeModuleEffect(weapon, target);
+    }
+
+    private void insertModules(string module, WeaponModulesComponent comp)
+    {
+        switch (module)
+        {
+            case "LightModule":
+                if(comp.Modules.Contains("LightModule")) break;
+                comp.Modules.Add("LightModule");
+                break;
+        }
+    }
+
+    private void moduleEffect(string module, EntityUid target)
+    {
+        switch (module)
+        {
+            case "LightModule":
+                if (HasComp<PointLightComponent>(target))
+                {
+                    _lightSystem.SetEnabled(target, true);
+                        break;
+                }
+
+                _lightSystem.TryGetLight(target, out var light);
+                _lightSystem.EnsureLight(target);
+                _lightSystem.SetRadius(target, 2F, light);
+                break;
+        }
+    }
+
+    private void removeModules(string module, WeaponModulesComponent comp)
+    {
+        switch (module)
+        {
+            case "LightModule":
+                comp.Modules.Remove("LightModule");
+                break;
+        }
+    }
+
+    private void removeModuleEffect(string module, EntityUid target)
+    {
+        switch (module)
+        {
+            case "LightModule":
+                if(!HasComp<PointLightComponent>(target))
+                    break;
+
+                _lightSystem.TryGetLight(target, out var light);
+                _lightSystem.SetEnabled(target, false, light);
+                break;
+        }
+    }
+}

Resources/Prototypes/Entities/Objects/Weapons/Guns/Rifles/rifles.yml

@@ -15,6 +15,7 @@
     - Back
     - suitStorage
   - type: AmmoCounter
+  - type: WeaponModules
   - type: Gun
     fireRate: 5
     selectedMode: FullAuto
@@ -32,7 +33,7 @@
         startingItem: MagazineLightRifle
         insertSound: /Audio/Weapons/Guns/MagIn/batrifle_magin.ogg
         ejectSound: /Audio/Weapons/Guns/MagOut/batrifle_magout.ogg
-        priority: 2
+        priority: 3
         whitelist:
           tags:
           - MagazineLightRifle
@@ -43,10 +44,17 @@
         whitelist:
           tags:
           - CartridgeLightRifle
+      gun_modules:
+        name: Modules
+        priority: 2
+        whitelist:
+          tags:
+          - BaseModule
   - type: ContainerContainer
     containers:
       gun_magazine: !type:ContainerSlot
       gun_chamber: !type:ContainerSlot
+      gun_modules: !type:ContainerSlot
   - type: StaticPrice
     price: 500
 
@@ -88,10 +96,17 @@
         whitelist:
           tags:
           - CartridgeLightRifle
+      gun_modules:
+        name: Modules
+        priority: 2
+        whitelist:
+          tags:
+          - BaseModule
   - type: ContainerContainer
     containers:
       gun_magazine: !type:ContainerSlot
       gun_chamber: !type:ContainerSlot
+      gun_modules: !type:ContainerSlot
   - type: MagazineVisuals
     magState: mag
     steps: 1

Resources/Prototypes/White/Entities/Objects/Weapons/Guns/Modules/modules.yml

@@ -0,0 +1,32 @@
+- type: entity
+  id: BaseModule
+  parent: BaseItem
+  abstract: true
+  components:
+  - type: Sprite
+    sprite: White/Objects/Weapons/modules.rsi
+  - type: Tag
+    tags:
+      - BaseModule
+  - type: Item
+    sprite: White/Objects/Weapons/modules.rsi
+    size: Small
+    shape:
+    - 0,0,1,1
+    layers:
+    - state: base
+      map: ["enum.GunVisualLayers.Base"]
+    - state: mag-1
+      map: ["enum.GunVisualLayers.Mag"]
+  - type: Appearance
+
+# modules
+- type: entity
+  id: LightModule
+  name: "light module for rifle"
+  parent: BaseModule
+  components:
+  - type: Item
+  - type: Sprite
+    state: light
+  - type: Appearance

Resources/Prototypes/White/tags.yml

@@ -54,3 +54,6 @@
 
 - type: Tag
   id: MindSlave
+
+- type: Tag
+  id: BaseModule

Resources/Textures/White/Objects/Weapons/modules.rsi/meta.json

@@ -0,0 +1,14 @@
+{
+  "version": 1,
+  "license": "CC-BY-SA-3.0",
+  "copyright": "Maked by CaypenNow",
+  "size": {
+    "x": 32,
+    "y": 32
+  },
+  "states": [
+    {
+      "name": "light"
+    }
+  ]
+}