Modular landmines (#8351)

Content.Server/Destructible/DestructibleSystem.cs

@@ -24,6 +24,7 @@ public sealed class DestructibleSystem : SharedDestructibleSystem
         [Dependency] public readonly ConstructionSystem ConstructionSystem = default!;
         [Dependency] public readonly ExplosionSystem ExplosionSystem = default!;
         [Dependency] public readonly StackSystem StackSystem = default!;
+        [Dependency] public readonly TriggerSystem TriggerSystem = default!;
         [Dependency] public readonly IPrototypeManager PrototypeManager = default!;
         [Dependency] public readonly IComponentFactory ComponentFactory = default!;
 

Content.Server/Destructible/Thresholds/Behaviors/TriggerBehavior.cs

@@ -0,0 +1,10 @@
+namespace Content.Server.Destructible.Thresholds.Behaviors;
+
+[DataDefinition]
+public sealed class TriggerBehavior : IThresholdBehavior
+{
+    public void Execute(EntityUid owner, DestructibleSystem system)
+    {
+        system.TriggerSystem.Trigger(owner);
+    }
+}

Content.Server/Explosion/EntitySystems/TriggerSystem.cs

@@ -12,6 +12,7 @@
 using Content.Shared.Sound;
 using Content.Shared.Trigger;
 using Content.Shared.Database;
+using Content.Shared.Explosion;
 using Content.Shared.Interaction;
 
 namespace Content.Server.Explosion.EntitySystems
@@ -60,19 +61,22 @@ public override void Initialize()
         private void HandleExplodeTrigger(EntityUid uid, ExplodeOnTriggerComponent component, TriggerEvent args)
         {
             _explosions.TriggerExplosive(uid, user: args.User);
+            args.Handled = true;
         }
 
         #region Flash
         private void HandleFlashTrigger(EntityUid uid, FlashOnTriggerComponent component, TriggerEvent args)
         {
             // TODO Make flash durations sane ffs.
             _flashSystem.FlashArea(uid, args.User, component.Range, component.Duration * 1000f);
+            args.Handled = true;
         }
         #endregion
 
         private void HandleDeleteTrigger(EntityUid uid, DeleteOnTriggerComponent component, TriggerEvent args)
         {
             EntityManager.QueueDeleteEntity(uid);
+            args.Handled = true;
         }
 
         private void OnTriggerCollide(EntityUid uid, TriggerOnCollideComponent component, StartCollideEvent args)
@@ -84,12 +88,14 @@ private void OnTriggerCollide(EntityUid uid, TriggerOnCollideComponent component
         private void OnActivate(EntityUid uid, TriggerOnActivateComponent component, ActivateInWorldEvent args)
         {
             Trigger(component.Owner, args.User);
+            args.Handled = true;
         }
 
-        public void Trigger(EntityUid trigger, EntityUid? user = null)
+        public bool Trigger(EntityUid trigger, EntityUid? user = null)
         {
             var triggerEvent = new TriggerEvent(trigger, user);
             EntityManager.EventBus.RaiseLocalEvent(trigger, triggerEvent);
+            return triggerEvent.Handled;
         }
 
         public void HandleTimerTrigger(EntityUid uid, EntityUid? user, float delay , float beepInterval, float? initialBeepDelay, SoundSpecifier? beepSound, AudioParams beepParams)

Content.Server/GhostKick/GhostKickUserOnTriggerSystem.cs

@@ -20,5 +20,7 @@ private void HandleMineTriggered(EntityUid uid, GhostKickUserOnTriggerComponent
         _ghostKickManager.DoDisconnect(
             actor.PlayerSession.ConnectedClient,
             "Tripped over a kick mine, crashed through the fourth wall");
+
+        args.Handled = true;
     }
 }

Content.Server/LandMines/LandMineComponent.cs

@@ -3,5 +3,6 @@
 [RegisterComponent]
 public sealed class LandMineComponent : Component
 {
-
+    [DataField("deleteOnActivate")]
+    public bool DeleteOnActivate = true;
 }

Content.Server/LandMines/LandMineSystem.cs

@@ -27,14 +27,16 @@ private static void HandleTriggerAttempt(
 
     private void HandleTriggered(EntityUid uid, LandMineComponent component, ref StepTriggeredEvent args)
     {
-        _popupSystem.PopupCoordinates(
-            Loc.GetString("land-mine-triggered", ("mine", uid)),
-            Transform(uid).Coordinates,
-            Filter.Entities(args.Tripper));
-
-        _trigger.Trigger(uid, args.Tripper);
-
-        QueueDel(uid);
+        if (_trigger.Trigger(uid, args.Tripper))
+        {
+            _popupSystem.PopupCoordinates(
+                Loc.GetString("land-mine-triggered", ("mine", uid)),
+                Transform(uid).Coordinates,
+                Filter.Entities(args.Tripper));
+        }
+
+        if (component.DeleteOnActivate)
+            QueueDel(uid);
     }
 }
 

Content.Server/Payload/EntitySystems/PayloadSystem.cs

@@ -1,8 +1,10 @@
+using System.Linq;
 using Content.Server.Administration.Logs;
 using Content.Server.Chemistry.EntitySystems;
 using Content.Server.Explosion.EntitySystems;
 using Content.Shared.Chemistry.Components;
 using Content.Shared.Database;
+using Content.Shared.Examine;
 using Content.Shared.Payload.Components;
 using Content.Shared.Tag;
 using Robust.Shared.Containers;
@@ -27,25 +29,37 @@ public override void Initialize()
         SubscribeLocalEvent<PayloadTriggerComponent, TriggerEvent>(OnTriggerTriggered);
         SubscribeLocalEvent<PayloadCaseComponent, EntInsertedIntoContainerMessage>(OnEntityInserted);
         SubscribeLocalEvent<PayloadCaseComponent, EntRemovedFromContainerMessage>(OnEntityRemoved);
+        SubscribeLocalEvent<PayloadCaseComponent, ExaminedEvent>(OnExamined);
         SubscribeLocalEvent<ChemicalPayloadComponent, TriggerEvent>(HandleChemicalPayloadTrigger);
     }
 
-    private void OnCaseTriggered(EntityUid uid, PayloadCaseComponent component, TriggerEvent args)
+    public IEnumerable<EntityUid> GetAllPayloads(EntityUid uid, ContainerManagerComponent? contMan=null)
     {
-        if (!TryComp(uid, out ContainerManagerComponent? contMan))
-            return;
+        if (!Resolve(uid, ref contMan, false))
+            yield break;
 
-        // Pass trigger event onto all contained payloads. Payload capacity configurable by construction graphs.
         foreach (var container in contMan.Containers.Values)
         {
             foreach (var entity in container.ContainedEntities)
             {
                 if (_tagSystem.HasTag(entity, "Payload"))
-                    RaiseLocalEvent(entity, args, false);
+                    yield return entity;
             }
         }
     }
 
+    private void OnCaseTriggered(EntityUid uid, PayloadCaseComponent component, TriggerEvent args)
+    {
+        if (!TryComp(uid, out ContainerManagerComponent? contMan))
+            return;
+
+        // Pass trigger event onto all contained payloads. Payload capacity configurable by construction graphs.
+        foreach (var ent in GetAllPayloads(uid, contMan))
+        {
+            RaiseLocalEvent(ent, args, false);
+        }
+    }
+
     private void OnTriggerTriggered(EntityUid uid, PayloadTriggerComponent component, TriggerEvent args)
     {
         if (!component.Active)
@@ -106,6 +120,24 @@ private void OnEntityRemoved(EntityUid uid, PayloadCaseComponent component, EntR
         trigger.GrantedComponents.Clear();
     }
 
+    private void OnExamined(EntityUid uid, PayloadCaseComponent component, ExaminedEvent args)
+    {
+        if (!args.IsInDetailsRange)
+        {
+            args.PushMarkup(Loc.GetString("payload-case-not-close-enough", ("ent", uid)));
+            return;
+        }
+
+        if (GetAllPayloads(uid).Any())
+        {
+            args.PushMarkup(Loc.GetString("payload-case-has-payload", ("ent", uid)));
+        }
+        else
+        {
+            args.PushMarkup(Loc.GetString("payload-case-does-not-have-payload", ("ent", uid)));
+        }
+    }
+
     private void HandleChemicalPayloadTrigger(EntityUid uid, ChemicalPayloadComponent component, TriggerEvent args)
     {
         if (component.BeakerSlotA.Item is not EntityUid beakerA
@@ -135,5 +167,7 @@ private void HandleChemicalPayloadTrigger(EntityUid uid, ChemicalPayloadComponen
         _solutionSystem.TryAddSolution(beakerB, solutionB, tmpSol);
         solutionA.MaxVolume -= solutionB.MaxVolume;
         _solutionSystem.UpdateChemicals(beakerA, solutionA, false);
+
+        args.Handled = true;
     }
 }

Content.Server/Sound/EmitSoundSystem.cs

@@ -40,6 +40,7 @@ public override void Initialize()
         private void HandleEmitSoundOnTrigger(EntityUid uid, EmitSoundOnTriggerComponent component, TriggerEvent args)
         {
             TryEmitSound(component);
+            args.Handled = true;
         }
 
         private void HandleEmitSoundOnLand(EntityUid eUI, BaseEmitSoundComponent component, LandEvent arg)

Resources/Locale/en-US/payload/payload-case.ftl

@@ -0,0 +1,3 @@
+payload-case-not-close-enough = You need to get closer to determine if {THE($ent)} has a payload installed.
+payload-case-has-payload = {CAPITALIZE(THE($ent))} has a payload installed!
+payload-case-does-not-have-payload = {CAPITALIZE(THE($ent))} does not have a payload installed.

Resources/Prototypes/Entities/Objects/Misc/land_mine.yml

@@ -4,6 +4,8 @@
   components:
   - type: Clickable
   - type: InteractionOutline
+  - type: Anchorable
+  - type: Pullable
   - type: MovedByPressure
   - type: Physics
     bodyType: Static
@@ -18,9 +20,20 @@
       layer:
         - LowImpassable
   - type: Sprite
-    drawdepth: FloorObjects
+    drawdepth: Items
     sprite: Objects/Misc/uglymine.rsi
     state: uglymine
+  - type: Damageable
+    damageContainer: Inorganic
+  - type: Destructible
+    thresholds:
+    - trigger:
+        !type:DamageTrigger
+        damage: 50
+      behaviors:
+      - !type:TriggerBehavior
+      - !type:DoActsBehavior
+        acts: [ "Destruction" ]
   - type: LandMine
   - type: StepTrigger
     requiredTriggeredSpeed: 0
@@ -32,6 +45,19 @@
   components:
   - type: GhostKickUserOnTrigger
 
+- type: entity
+  name: modular mine
+  description: This bad boy could be packing any number of dangers. Or a bike horn.
+  parent: BaseLandMine
+  id: LandMineModular
+  components:
+  - type: PayloadCase
+  - type: Construction
+    graph: ModularMineGraph
+    node: emptyCase
+  - type: LandMine
+    deleteOnActivate: false
+
 - type: entity
   name: explosive mine
   parent: BaseLandMine

Resources/Prototypes/Entities/Objects/Weapons/Throwable/grenades.yml

@@ -1,3 +1,5 @@
+# TODO probably needs a base grenade
+
 - type: entity
   name: explosive grenade
   description: Grenade that creates a small but devastating explosion.
@@ -32,6 +34,7 @@
         !type:DamageTrigger
         damage: 10
       behaviors:
+      - !type:TriggerBehavior
       - !type:DoActsBehavior
         acts: ["Destruction"]
   - type: Appearance
@@ -71,6 +74,7 @@
         !type:DamageTrigger
         damage: 10
       behaviors:
+      - !type:TriggerBehavior
       - !type:DoActsBehavior
         acts: ["Destruction"]
   - type: Appearance
@@ -108,13 +112,15 @@
         !type:DamageTrigger
         damage: 10
       behaviors:
+      - !type:TriggerBehavior
       - !type:DoActsBehavior
         acts: ["Destruction"]
   - type: Appearance
     visuals:
     - type: TimerTriggerVisualizer
       countdown_sound:
         path: /Audio/Effects/minibombcountdown.ogg
+
 - type: entity
   name: the nuclear option
   description: Please don't throw it, think of the children.
@@ -144,6 +150,7 @@
         !type:DamageTrigger
         damage: 50
       behaviors:
+      - !type:TriggerBehavior
       - !type:DoActsBehavior
         acts: ["Destruction"]
   - type: Appearance
@@ -175,6 +182,7 @@
         !type:DamageTrigger
         damage: 50
       behaviors:
+      - !type:TriggerBehavior
       - !type:DoActsBehavior
         acts: [ "Destruction" ]
   - type: Appearance

Resources/Prototypes/Recipes/Construction/Graphs/weapons/modular_mine.yml

@@ -0,0 +1,55 @@
+- type: constructionGraph
+  id: ModularMineGraph
+  start: start
+  graph:
+
+  - node: start
+    edges:
+    - to: emptyCase
+      steps:
+      - material: Steel
+        amount: 5
+        doAfter: 1
+
+  - node: emptyCase
+    entity: LandMineModular
+    edges:
+    - to: wiredCase
+      steps:
+      - material: Cable
+        doAfter: 0.5
+
+  - node: wiredCase
+    entity: LandMineModular
+    actions:
+    - !type:PlaySound
+      sound: /Audio/Machines/button.ogg
+    edges:
+    - to: emptyCase
+      steps:
+      - tool: Cutting
+        doAfter: 0.5
+        completed:
+        - !type:SpawnPrototype
+          prototype: CableApcStack1
+    - to: mine
+      steps:
+      - tag: Payload
+        store: payload
+        name: Payload
+        doAfter: 0.5
+
+  - node: mine
+    actions:
+    - !type:PlaySound
+      sound: /Audio/Machines/button.ogg
+    - !type:AdminLog
+      message: "A mine was crafted"
+    edges:
+    - to: wiredCase
+      steps:
+      - tool: Prying
+        doAfter: 0.5
+        completed:
+        - !type:EmptyContainer
+          container: payload

Resources/Prototypes/Recipes/Construction/modular.yml

@@ -0,0 +1,25 @@
+- type: construction
+  name: Modular Grenade
+  id: ModularGrenadeRecipe
+  graph: ModularGrenadeGraph
+  startNode: start
+  targetNode: grenade
+  category: Weapons
+  description: Construct a grenade using a trigger and a payload.
+  icon:
+    sprite: Objects/Weapons/Grenades/modular.rsi
+    state: complete
+  objectType: Item
+
+- type: construction
+  name: Modular Mine
+  id: ModularMineRecipe
+  graph: ModularMineGraph
+  startNode: start
+  targetNode: mine
+  category: Weapons
+  description: Construct a landmine using a payload.
+  icon:
+    sprite: Objects/Misc/uglymine.rsi
+    state: uglymine
+  objectType: Item