From af7f10c7beccebcc90ac188339856a6839b9bff3 Mon Sep 17 00:00:00 2001
From: Dmitriy <diewrist@korolevsky.me>
Date: Thu, 2 May 2024 10:45:10 +0300
Subject: [PATCH] Autodelete items (and grids too) if near entity have
 HumanoidAppearance component.

---
 .../AutoDeleteItems/AutoDeleteComponent.cs    | 31 +++++++++
 .../AutoDeleteItems/AutoDeleteSystem.cs       | 66 +++++++++++++++++++
 2 files changed, 97 insertions(+)
 create mode 100644 Content.Server/Corvax/AutoDeleteItems/AutoDeleteComponent.cs
 create mode 100644 Content.Server/Corvax/AutoDeleteItems/AutoDeleteSystem.cs

diff --git a/Content.Server/Corvax/AutoDeleteItems/AutoDeleteComponent.cs b/Content.Server/Corvax/AutoDeleteItems/AutoDeleteComponent.cs
new file mode 100644
index 00000000000..6df78ac1d96
--- /dev/null
+++ b/Content.Server/Corvax/AutoDeleteItems/AutoDeleteComponent.cs
@@ -0,0 +1,31 @@
+using Content.Shared.Timing;
+using Robust.Shared.Audio;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom;
+
+[RegisterComponent]
+[AutoGenerateComponentState, AutoGenerateComponentPause]
+public sealed partial class AutoDeleteComponent : Component
+{
+    [DataField, ViewVariables(VVAccess.ReadWrite)]
+    public bool IsHumanoidNear = false;
+
+    [DataField, ViewVariables(VVAccess.ReadWrite)]
+    public bool ReadyToDelete = false;
+
+    [DataField, ViewVariables(VVAccess.ReadWrite)]
+    [AutoPausedField]
+    public TimeSpan NextTimeToDelete;
+
+    [DataField, ViewVariables(VVAccess.ReadWrite)]
+    [AutoPausedField]
+    public TimeSpan NextTimeToCheck;
+
+    [DataField, ViewVariables(VVAccess.ReadWrite)]
+    public TimeSpan DelayToCheck = TimeSpan.FromSeconds(10f);
+
+    [DataField, ViewVariables(VVAccess.ReadWrite)]
+    public TimeSpan DelayToDelete = TimeSpan.FromSeconds(20f);
+
+    [DataField, ViewVariables(VVAccess.ReadWrite)]
+    public int DistanceToCheck = 5;
+}
diff --git a/Content.Server/Corvax/AutoDeleteItems/AutoDeleteSystem.cs b/Content.Server/Corvax/AutoDeleteItems/AutoDeleteSystem.cs
new file mode 100644
index 00000000000..252a361cc5f
--- /dev/null
+++ b/Content.Server/Corvax/AutoDeleteItems/AutoDeleteSystem.cs
@@ -0,0 +1,66 @@
+using Content.Server.Construction.Completions;
+using Content.Shared.Humanoid;
+using Content.Shared.Mobs.Systems;
+using Robust.Shared.Timing;
+
+namespace Content.Server.Corvax.AutoDeleteItems;
+
+public sealed class AutoDeleteSystem : EntitySystem
+{
+    [Dependency] private readonly EntityLookupSystem _lookup = default!;
+    [Dependency] private readonly IGameTiming _gameTiming = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+    }
+
+    public override void Update(float frameTime)
+    {
+        base.Update(frameTime);
+        var query = EntityQueryEnumerator<AutoDeleteComponent>();
+        while (query.MoveNext(out var uid, out var autoDeleteComponent))
+        {
+            var xformQuery = GetEntityQuery<TransformComponent>();
+
+            if (!xformQuery.TryGetComponent(uid, out var xform) ||
+                        xform.MapUid == null)
+            {
+                return;
+            }
+            var humanoids = new HashSet<Entity<HumanoidAppearanceComponent>>();
+
+            if (autoDeleteComponent.NextTimeToCheck > _gameTiming.CurTime)
+                return;
+
+            if (_lookup.GetEntitiesInRangeInt(xform.Coordinates, autoDeleteComponent.DistanceToCheck, humanoids) > 0)
+                autoDeleteComponent.IsHumanoidNear = true;
+            else
+                autoDeleteComponent.IsHumanoidNear = false;
+
+            if (autoDeleteComponent.IsHumanoidNear == false && autoDeleteComponent.ReadyToDelete == true && autoDeleteComponent.NextTimeToDelete < _gameTiming.CurTime)
+            {
+                EntityManager.DeleteEntity(uid);
+            }
+
+            if (autoDeleteComponent.IsHumanoidNear == true)
+            {
+                if (autoDeleteComponent.ReadyToDelete == true)
+                    autoDeleteComponent.ReadyToDelete = false;
+
+                autoDeleteComponent.NextTimeToDelete = _gameTiming.CurTime + autoDeleteComponent.DelayToDelete;
+                autoDeleteComponent.NextTimeToCheck = _gameTiming.CurTime + autoDeleteComponent.DelayToCheck;
+            }
+
+            if (autoDeleteComponent.IsHumanoidNear == false && autoDeleteComponent.ReadyToDelete == false)
+            {
+                autoDeleteComponent.NextTimeToDelete = _gameTiming.CurTime + autoDeleteComponent.DelayToDelete;
+                autoDeleteComponent.NextTimeToCheck = _gameTiming.CurTime + autoDeleteComponent.DelayToCheck;
+                autoDeleteComponent.ReadyToDelete = true;
+            }
+
+            //autoDeleteComponent.NextTimeToDelete = _gameTiming.CurTime + autoDeleteComponent.DelayToDelete;
+            //autoDeleteComponent.NextTimeToCheck = _gameTiming.CurTime + autoDeleteComponent.DelayToCheck;
+        }
+    }
+}