Revs (the spooky ones) (#9842)

2022-08-13 09:49:41 -04:00
parent ab4e2ef74f
commit 3e1cf73469
68 changed files with 1976 additions and 34 deletions
--- a/Content.Server/Revenant/EntitySystems/EssenceSystem.cs
+++ b/Content.Server/Revenant/EntitySystems/EssenceSystem.cs
@@ -0,0 +1,71 @@
+using Content.Server.Mind.Components;
+using Content.Shared.Examine;
+using Content.Shared.MobState;
+using Content.Shared.MobState.Components;
+using Robust.Shared.Random;
+
+namespace Content.Server.Revenant.EntitySystems;
+
+/// <summary>
+/// Attached to entities when a revenant drains them in order to
+/// manage their essence.
+/// </summary>
+public sealed class EssenceSystem : EntitySystem
+{
+    [Dependency] private readonly IRobustRandom _random = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<EssenceComponent, ComponentStartup>(UpdateEssenceAmount);
+        SubscribeLocalEvent<EssenceComponent, MobStateChangedEvent>(UpdateEssenceAmount);
+        SubscribeLocalEvent<EssenceComponent, MindAddedMessage>(UpdateEssenceAmount);
+        SubscribeLocalEvent<EssenceComponent, MindRemovedMessage>(UpdateEssenceAmount);
+        SubscribeLocalEvent<EssenceComponent, ExaminedEvent>(OnExamine);
+    }
+
+    private void OnExamine(EntityUid uid, EssenceComponent component, ExaminedEvent args)
+    {
+        if (!component.SearchComplete || !HasComp<RevenantComponent>(args.Examiner))
+            return;
+
+        string message;
+        switch (component.EssenceAmount)
+        {
+            case <= 45:
+                message = "revenant-soul-yield-low";
+                break;
+            case >= 90:
+                message = "revenant-soul-yield-high";
+                break;
+            default:
+                message = "revenant-soul-yield-average";
+                break;
+        }
+
+        args.PushMarkup(Loc.GetString(message, ("target", uid)));
+    }
+
+    private void UpdateEssenceAmount(EntityUid uid, EssenceComponent component, EntityEventArgs args)
+    {
+        if (!TryComp<MobStateComponent>(uid, out var mob))
+            return;
+
+        switch (mob.CurrentState)
+        {
+            case DamageState.Alive:
+                if (TryComp<MindComponent>(uid, out var mind) && mind.Mind != null)
+                    component.EssenceAmount = _random.NextFloat(75f, 100f);
+                else
+                    component.EssenceAmount = _random.NextFloat(45f, 70f);
+                break;
+            case DamageState.Critical:
+                component.EssenceAmount = _random.NextFloat(35f, 50f);
+                break;
+            case DamageState.Dead:
+                component.EssenceAmount = _random.NextFloat(15f, 20f);
+                break;
+        }
+    }
+}