Sedin (#27110) (#1786)

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# Description

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Ports https://github.com/space-wizards/space-station-14/pull/27110

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# Changelog

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🆑 Erisfiregamer1
- add: New chemical, Sedin. It restores seeds on plants 20% of the time
with other adverse effects included.

---------

Signed-off-by: sleepyyapril <123355664+sleepyyapril@users.noreply.github.com>
Co-authored-by: Eris <eris@erisws.com>
Co-authored-by: VMSolidus <evilexecutive@gmail.com>
(cherry picked from commit ed593f070a579a47f2e8800d4a5191741971b3b9)

Content.Server/EntityEffects/Effects/PlantMetabolism/PlantAdjustPotency.cs

@@ -0,0 +1,28 @@
+using Content.Server.Botany.Systems;
+using Content.Shared.EntityEffects;
+
+namespace Content.Server.EntityEffects.Effects.PlantMetabolism;
+
+/// <summary>
+///     Handles increase or decrease of plant potency.
+/// </summary>
+
+public sealed partial class PlantAdjustPotency : PlantAdjustAttribute
+{
+    public override string GuidebookAttributeName { get; set; } = "plant-attribute-potency";
+
+    public override void Effect(EntityEffectBaseArgs args)
+    {
+        if (!CanMetabolize(args.TargetEntity, out var plantHolderComp, args.EntityManager))
+            return;
+
+        if (plantHolderComp.Seed == null)
+            return;
+
+        var plantHolder = args.EntityManager.System<PlantHolderSystem>();
+
+        plantHolder.EnsureUniqueSeed(args.TargetEntity, plantHolderComp);
+
+        plantHolderComp.Seed.Potency = Math.Max(plantHolderComp.Seed.Potency + Amount, 1);
+    }
+}

Content.Server/EntityEffects/Effects/PlantMetabolism/PlantDestroySeeds.cs

@@ -0,0 +1,42 @@
+using Content.Server.Botany.Components;
+using Content.Server.Botany.Systems;
+using Content.Shared.EntityEffects;
+using Content.Shared.Popups;
+using Robust.Shared.Prototypes;
+
+namespace Content.Server.EntityEffects.Effects.PlantMetabolism;
+
+/// <summary>
+///     Handles removal of seeds on a plant.
+/// </summary>
+
+public sealed partial class PlantDestroySeeds : EntityEffect
+{
+    public override void Effect(EntityEffectBaseArgs args)
+    {
+        if (
+            !args.EntityManager.TryGetComponent(args.TargetEntity, out PlantHolderComponent? plantHolderComp)
+            || plantHolderComp.Seed == null
+            || plantHolderComp.Dead
+            || plantHolderComp.Seed.Immutable
+        )
+            return;
+
+        var plantHolder = args.EntityManager.System<PlantHolderSystem>();
+        var popupSystem = args.EntityManager.System<SharedPopupSystem>();
+
+        if (plantHolderComp.Seed.Seedless == false)
+        {
+            plantHolder.EnsureUniqueSeed(args.TargetEntity, plantHolderComp);
+            popupSystem.PopupEntity(
+                Loc.GetString("botany-plant-seedsdestroyed"),
+                args.TargetEntity,
+                PopupType.SmallCaution
+            );
+            plantHolderComp.Seed.Seedless = true;
+        }
+    }
+
+    protected override string? ReagentEffectGuidebookText(IPrototypeManager prototype, IEntitySystemManager entSys) =>
+        Loc.GetString("reagent-effect-guidebook-plant-seeds-remove", ("chance", Probability));
+}

Content.Server/EntityEffects/Effects/PlantMetabolism/PlantRestoreSeeds.cs

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+using Content.Server.Botany.Components;
+using Content.Server.Botany.Systems;
+using Content.Shared.EntityEffects;
+using Content.Shared.Popups;
+using Robust.Shared.Prototypes;
+
+namespace Content.Server.EntityEffects.Effects.PlantMetabolism;
+
+/// <summary>
+///     Handles restoral of seeds on a plant.
+/// </summary>
+
+public sealed partial class PlantRestoreSeeds : EntityEffect
+{
+    public override void Effect(EntityEffectBaseArgs args)
+    {
+        if (
+            !args.EntityManager.TryGetComponent(args.TargetEntity, out PlantHolderComponent? plantHolderComp)
+            || plantHolderComp.Seed == null
+            || plantHolderComp.Dead
+            || plantHolderComp.Seed.Immutable
+        )
+            return;
+
+        var plantHolder = args.EntityManager.System<PlantHolderSystem>();
+        var popupSystem = args.EntityManager.System<SharedPopupSystem>();
+
+        if (plantHolderComp.Seed.Seedless)
+        {
+            plantHolder.EnsureUniqueSeed(args.TargetEntity, plantHolderComp);
+            popupSystem.PopupEntity(Loc.GetString("botany-plant-seedsrestored"), args.TargetEntity);
+            plantHolderComp.Seed.Seedless = false;
+        }
+    }
+
+    protected override string? ReagentEffectGuidebookText(IPrototypeManager prototype, IEntitySystemManager entSys) =>
+        Loc.GetString("reagent-effect-guidebook-plant-seeds-add", ("chance", Probability));
+}