Xenoarchaeology artifacts (#6069)

Co-authored-by: Alexander Evgrashin <evgrashin.adl@gmail.com>

Content.Server/Xenoarchaeology/XenoArtifacts/Effects/Systems/SpawnArtifactSystem.cs

@@ -0,0 +1,67 @@
+using Content.Server.Clothing.Components;
+using Content.Server.Xenoarchaeology.XenoArtifacts.Effects.Components;
+using Content.Server.Xenoarchaeology.XenoArtifacts.Events;
+using Content.Shared.Hands.Components;
+using Robust.Shared.GameObjects;
+using Robust.Shared.IoC;
+using Robust.Shared.Maths;
+using Robust.Shared.Random;
+
+namespace Content.Server.Xenoarchaeology.XenoArtifacts.Effects.Systems;
+
+public class SpawnArtifactSystem : EntitySystem
+{
+    [Dependency] private readonly IRobustRandom _random = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+        SubscribeLocalEvent<SpawnArtifactComponent, ComponentInit>(OnInit);
+        SubscribeLocalEvent<SpawnArtifactComponent, ArtifactActivatedEvent>(OnActivate);
+    }
+    private void OnInit(EntityUid uid, SpawnArtifactComponent component, ComponentInit args)
+    {
+        ChooseRandomPrototype(uid, component);
+    }
+
+    private void OnActivate(EntityUid uid, SpawnArtifactComponent component, ArtifactActivatedEvent args)
+    {
+        if (component.Prototype == null)
+            return;
+        if (component.SpawnsCount >= component.MaxSpawns)
+            return;
+
+        // select spawn position near artifact
+        var artifactCord = Transform(uid).Coordinates;
+        var dx = _random.NextFloat(-component.Range, component.Range);
+        var dy = _random.NextFloat(-component.Range, component.Range);
+        var spawnCord = artifactCord.Offset(new Vector2(dx, dy));
+
+        // spawn entity
+        var spawned = EntityManager.SpawnEntity(component.Prototype, spawnCord);
+        component.SpawnsCount++;
+
+        // if there is an user - try to put spawned item in their hands
+        // doesn't work for spawners
+        if (args.Activator != null &&
+            EntityManager.TryGetComponent(args.Activator.Value, out SharedHandsComponent? hands) &&
+            EntityManager.HasComponent<ItemComponent>(spawned))
+        {
+            hands.TryPutInAnyHand(spawned);
+        }
+    }
+
+    private void ChooseRandomPrototype(EntityUid uid, SpawnArtifactComponent? component = null)
+    {
+        if (!Resolve(uid, ref component))
+            return;
+
+        if (!component.RandomPrototype)
+            return;
+        if (component.PossiblePrototypes.Count == 0)
+            return;
+
+        var proto = _random.Pick(component.PossiblePrototypes);
+        component.Prototype = proto;
+    }
+}

Content.Server/Xenoarchaeology/XenoArtifacts/Effects/Systems/TelepathicArtifactSystem.cs

@@ -0,0 +1,46 @@
+using Content.Server.Xenoarchaeology.XenoArtifacts.Effects.Components;
+using Content.Server.Xenoarchaeology.XenoArtifacts.Events;
+using Content.Shared.Popups;
+using Robust.Server.GameObjects;
+using Robust.Shared.GameObjects;
+using Robust.Shared.IoC;
+using Robust.Shared.Localization;
+using Robust.Shared.Player;
+using Robust.Shared.Random;
+
+namespace Content.Server.Xenoarchaeology.XenoArtifacts.Effects.Systems;
+
+public class TelepathicArtifactSystem : EntitySystem
+{
+    [Dependency] private readonly IRobustRandom _random = default!;
+    [Dependency] private readonly IEntityLookup _lookup = default!;
+    [Dependency] private readonly SharedPopupSystem _popupSystem = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+        SubscribeLocalEvent<TelepathicArtifactComponent, ArtifactActivatedEvent>(OnActivate);
+    }
+
+    private void OnActivate(EntityUid uid, TelepathicArtifactComponent component, ArtifactActivatedEvent args)
+    {
+        // try to find victims nearby
+        var victims = _lookup.GetEntitiesInRange(uid, component.Range);
+        foreach (var victimUid in victims)
+        {
+            if (!EntityManager.HasComponent<ActorComponent>(victimUid))
+                continue;
+
+            // roll if msg should be usual or drastic
+            var isDrastic = _random.NextFloat() <= component.DrasticMessageProb;
+            var msgArr = isDrastic ? component.DrasticMessages : component.Messages;
+
+            // pick a random message
+            var msgId = _random.Pick(msgArr);
+            var msg = Loc.GetString(msgId);
+
+            // show it as a popup, but only for the victim
+            _popupSystem.PopupEntity(msg, victimUid, Filter.Entities(victimUid));
+        }
+    }
+}